2013-01-23 12:41:33 +01:00
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//===-- sanitizer_common_interceptors.inc -----------------------*- C++ -*-===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Common function interceptors for tools like AddressSanitizer,
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// ThreadSanitizer, MemorySanitizer, etc.
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//
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// This file should be included into the tool's interceptor file,
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// which has to define it's own macros:
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// COMMON_INTERCEPTOR_ENTER
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// COMMON_INTERCEPTOR_READ_RANGE
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// COMMON_INTERCEPTOR_WRITE_RANGE
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2013-12-05 10:18:38 +01:00
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// COMMON_INTERCEPTOR_INITIALIZE_RANGE
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2013-01-23 12:41:33 +01:00
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// COMMON_INTERCEPTOR_FD_ACQUIRE
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// COMMON_INTERCEPTOR_FD_RELEASE
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2013-12-05 10:18:38 +01:00
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// COMMON_INTERCEPTOR_FD_ACCESS
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2013-01-23 12:41:33 +01:00
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// COMMON_INTERCEPTOR_SET_THREAD_NAME
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2013-12-05 10:18:38 +01:00
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// COMMON_INTERCEPTOR_ON_EXIT
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// COMMON_INTERCEPTOR_MUTEX_LOCK
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// COMMON_INTERCEPTOR_MUTEX_UNLOCK
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// COMMON_INTERCEPTOR_MUTEX_REPAIR
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// COMMON_INTERCEPTOR_SET_PTHREAD_NAME
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// COMMON_INTERCEPTOR_HANDLE_RECVMSG
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2013-01-23 12:41:33 +01:00
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//===----------------------------------------------------------------------===//
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#include "interception/interception.h"
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#include "sanitizer_platform_interceptors.h"
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#include <stdarg.h>
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2013-12-05 10:18:38 +01:00
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#if SANITIZER_WINDOWS && !defined(va_copy)
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2013-02-13 11:46:01 +01:00
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#define va_copy(dst, src) ((dst) = (src))
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#endif // _WIN32
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2013-12-05 10:18:38 +01:00
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#ifndef COMMON_INTERCEPTOR_INITIALIZE_RANGE
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#define COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, p, size) {}
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#endif
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#ifndef COMMON_INTERCEPTOR_FD_ACCESS
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#define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) {}
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#endif
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#ifndef COMMON_INTERCEPTOR_MUTEX_LOCK
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#define COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m) {}
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#endif
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#ifndef COMMON_INTERCEPTOR_MUTEX_UNLOCK
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#define COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m) {}
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#endif
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#ifndef COMMON_INTERCEPTOR_MUTEX_REPAIR
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#define COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m) {}
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#endif
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#ifndef COMMON_INTERCEPTOR_HANDLE_RECVMSG
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#define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) ((void)(msg))
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#endif
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2013-11-04 22:33:31 +01:00
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#if SANITIZER_INTERCEPT_STRCMP
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static inline int CharCmpX(unsigned char c1, unsigned char c2) {
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return (c1 == c2) ? 0 : (c1 < c2) ? -1 : 1;
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}
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INTERCEPTOR(int, strcmp, const char *s1, const char *s2) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, strcmp, s1, s2);
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unsigned char c1, c2;
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uptr i;
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2013-12-05 10:18:38 +01:00
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for (i = 0;; i++) {
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2013-11-04 22:33:31 +01:00
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c1 = (unsigned char)s1[i];
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c2 = (unsigned char)s2[i];
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if (c1 != c2 || c1 == '\0') break;
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}
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, i + 1);
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, i + 1);
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return CharCmpX(c1, c2);
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}
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INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr size) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, strncmp, s1, s2, size);
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unsigned char c1 = 0, c2 = 0;
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uptr i;
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for (i = 0; i < size; i++) {
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c1 = (unsigned char)s1[i];
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c2 = (unsigned char)s2[i];
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if (c1 != c2 || c1 == '\0') break;
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}
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, size));
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, size));
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return CharCmpX(c1, c2);
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_STRCMP COMMON_INTERCEPT_FUNCTION(strcmp)
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#define INIT_STRNCMP COMMON_INTERCEPT_FUNCTION(strncmp)
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2013-11-04 22:33:31 +01:00
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#else
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#define INIT_STRCMP
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#define INIT_STRNCMP
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#endif
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#if SANITIZER_INTERCEPT_STRCASECMP
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static inline int CharCaseCmp(unsigned char c1, unsigned char c2) {
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int c1_low = ToLower(c1);
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int c2_low = ToLower(c2);
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return c1_low - c2_low;
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}
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INTERCEPTOR(int, strcasecmp, const char *s1, const char *s2) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, strcasecmp, s1, s2);
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unsigned char c1 = 0, c2 = 0;
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uptr i;
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2013-12-05 10:18:38 +01:00
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for (i = 0;; i++) {
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2013-11-04 22:33:31 +01:00
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c1 = (unsigned char)s1[i];
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c2 = (unsigned char)s2[i];
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2013-12-05 10:18:38 +01:00
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if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break;
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2013-11-04 22:33:31 +01:00
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}
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, i + 1);
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, i + 1);
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return CharCaseCmp(c1, c2);
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}
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INTERCEPTOR(int, strncasecmp, const char *s1, const char *s2, SIZE_T n) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, strncasecmp, s1, s2, n);
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unsigned char c1 = 0, c2 = 0;
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uptr i;
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for (i = 0; i < n; i++) {
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c1 = (unsigned char)s1[i];
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c2 = (unsigned char)s2[i];
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2013-12-05 10:18:38 +01:00
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if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break;
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2013-11-04 22:33:31 +01:00
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}
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, n));
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COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, n));
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return CharCaseCmp(c1, c2);
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_STRCASECMP COMMON_INTERCEPT_FUNCTION(strcasecmp)
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#define INIT_STRNCASECMP COMMON_INTERCEPT_FUNCTION(strncasecmp)
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2013-11-04 22:33:31 +01:00
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#else
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#define INIT_STRCASECMP
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#define INIT_STRNCASECMP
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#endif
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#if SANITIZER_INTERCEPT_FREXP
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INTERCEPTOR(double, frexp, double x, int *exp) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, frexp, x, exp);
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double res = REAL(frexp)(x, exp);
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COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_FREXP COMMON_INTERCEPT_FUNCTION(frexp);
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2013-11-04 22:33:31 +01:00
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#else
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#define INIT_FREXP
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2013-12-05 10:18:38 +01:00
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#endif // SANITIZER_INTERCEPT_FREXP
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2013-11-04 22:33:31 +01:00
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#if SANITIZER_INTERCEPT_FREXPF_FREXPL
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INTERCEPTOR(float, frexpf, float x, int *exp) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, frexpf, x, exp);
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float res = REAL(frexpf)(x, exp);
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COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
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return res;
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}
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INTERCEPTOR(long double, frexpl, long double x, int *exp) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, frexpl, x, exp);
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long double res = REAL(frexpl)(x, exp);
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COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_FREXPF_FREXPL \
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COMMON_INTERCEPT_FUNCTION(frexpf); \
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COMMON_INTERCEPT_FUNCTION(frexpl)
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2013-11-04 22:33:31 +01:00
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#else
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#define INIT_FREXPF_FREXPL
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2013-12-05 10:18:38 +01:00
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#endif // SANITIZER_INTERCEPT_FREXPF_FREXPL
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2013-11-04 22:33:31 +01:00
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#if SI_NOT_WINDOWS
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static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec,
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SIZE_T iovlen, SIZE_T maxlen) {
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for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
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SSIZE_T sz = Min(iovec[i].iov_len, maxlen);
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COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec[i].iov_base, sz);
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maxlen -= sz;
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}
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}
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static void read_iovec(void *ctx, struct __sanitizer_iovec *iovec,
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SIZE_T iovlen, SIZE_T maxlen) {
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COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec) * iovlen);
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for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
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SSIZE_T sz = Min(iovec[i].iov_len, maxlen);
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COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec[i].iov_base, sz);
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maxlen -= sz;
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}
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}
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#endif
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2013-01-23 12:41:33 +01:00
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#if SANITIZER_INTERCEPT_READ
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INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) {
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2013-02-13 11:46:01 +01:00
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void *ctx;
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2013-01-23 12:41:33 +01:00
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COMMON_INTERCEPTOR_ENTER(ctx, read, fd, ptr, count);
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2013-12-05 10:18:38 +01:00
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COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
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2013-01-23 12:41:33 +01:00
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SSIZE_T res = REAL(read)(fd, ptr, count);
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2013-12-05 10:18:38 +01:00
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if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
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if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
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2013-01-23 12:41:33 +01:00
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_READ COMMON_INTERCEPT_FUNCTION(read)
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2013-01-23 12:41:33 +01:00
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#else
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2013-02-13 11:46:01 +01:00
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#define INIT_READ
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2013-01-23 12:41:33 +01:00
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#endif
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#if SANITIZER_INTERCEPT_PREAD
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INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) {
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2013-02-13 11:46:01 +01:00
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void *ctx;
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2013-01-23 12:41:33 +01:00
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COMMON_INTERCEPTOR_ENTER(ctx, pread, fd, ptr, count, offset);
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2013-12-05 10:18:38 +01:00
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COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
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2013-01-23 12:41:33 +01:00
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SSIZE_T res = REAL(pread)(fd, ptr, count, offset);
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2013-12-05 10:18:38 +01:00
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if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
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if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
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2013-01-23 12:41:33 +01:00
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_PREAD COMMON_INTERCEPT_FUNCTION(pread)
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2013-01-23 12:41:33 +01:00
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#else
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2013-02-13 11:46:01 +01:00
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#define INIT_PREAD
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2013-01-23 12:41:33 +01:00
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#endif
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#if SANITIZER_INTERCEPT_PREAD64
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INTERCEPTOR(SSIZE_T, pread64, int fd, void *ptr, SIZE_T count, OFF64_T offset) {
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2013-02-13 11:46:01 +01:00
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void *ctx;
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2013-01-23 12:41:33 +01:00
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COMMON_INTERCEPTOR_ENTER(ctx, pread64, fd, ptr, count, offset);
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2013-12-05 10:18:38 +01:00
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COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
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2013-01-23 12:41:33 +01:00
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SSIZE_T res = REAL(pread64)(fd, ptr, count, offset);
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2013-12-05 10:18:38 +01:00
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if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
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if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
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2013-01-23 12:41:33 +01:00
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_PREAD64 COMMON_INTERCEPT_FUNCTION(pread64)
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2013-01-23 12:41:33 +01:00
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#else
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2013-02-13 11:46:01 +01:00
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#define INIT_PREAD64
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2013-01-23 12:41:33 +01:00
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#endif
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2013-11-04 22:33:31 +01:00
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#if SANITIZER_INTERCEPT_READV
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INTERCEPTOR_WITH_SUFFIX(SSIZE_T, readv, int fd, __sanitizer_iovec *iov,
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int iovcnt) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, readv, fd, iov, iovcnt);
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2013-12-05 10:18:38 +01:00
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COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
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2013-11-04 22:33:31 +01:00
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SSIZE_T res = REAL(readv)(fd, iov, iovcnt);
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if (res > 0) write_iovec(ctx, iov, iovcnt, res);
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if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_READV COMMON_INTERCEPT_FUNCTION(readv)
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2013-11-04 22:33:31 +01:00
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#else
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#define INIT_READV
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#endif
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#if SANITIZER_INTERCEPT_PREADV
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INTERCEPTOR(SSIZE_T, preadv, int fd, __sanitizer_iovec *iov, int iovcnt,
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OFF_T offset) {
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void *ctx;
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COMMON_INTERCEPTOR_ENTER(ctx, preadv, fd, iov, iovcnt, offset);
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2013-12-05 10:18:38 +01:00
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COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
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2013-11-04 22:33:31 +01:00
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SSIZE_T res = REAL(preadv)(fd, iov, iovcnt, offset);
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if (res > 0) write_iovec(ctx, iov, iovcnt, res);
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if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
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return res;
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}
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2013-12-05 10:18:38 +01:00
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#define INIT_PREADV COMMON_INTERCEPT_FUNCTION(preadv)
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2013-11-04 22:33:31 +01:00
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#else
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#define INIT_PREADV
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#endif
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|
|
|
#if SANITIZER_INTERCEPT_PREADV64
|
|
|
|
INTERCEPTOR(SSIZE_T, preadv64, int fd, __sanitizer_iovec *iov, int iovcnt,
|
|
|
|
OFF64_T offset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, preadv64, fd, iov, iovcnt, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
2013-11-04 22:33:31 +01:00
|
|
|
SSIZE_T res = REAL(preadv64)(fd, iov, iovcnt, offset);
|
|
|
|
if (res > 0) write_iovec(ctx, iov, iovcnt, res);
|
|
|
|
if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PREADV64 COMMON_INTERCEPT_FUNCTION(preadv64)
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_PREADV64
|
|
|
|
#endif
|
|
|
|
|
2013-01-23 12:41:33 +01:00
|
|
|
#if SANITIZER_INTERCEPT_WRITE
|
|
|
|
INTERCEPTOR(SSIZE_T, write, int fd, void *ptr, SIZE_T count) {
|
2013-02-13 11:46:01 +01:00
|
|
|
void *ctx;
|
2013-01-23 12:41:33 +01:00
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, write, fd, ptr, count);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
|
2013-01-23 12:41:33 +01:00
|
|
|
SSIZE_T res = REAL(write)(fd, ptr, count);
|
2013-11-04 22:33:31 +01:00
|
|
|
// FIXME: this check should be _before_ the call to REAL(write), not after
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
|
2013-01-23 12:41:33 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_WRITE COMMON_INTERCEPT_FUNCTION(write)
|
2013-01-23 12:41:33 +01:00
|
|
|
#else
|
2013-02-13 11:46:01 +01:00
|
|
|
#define INIT_WRITE
|
2013-01-23 12:41:33 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PWRITE
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(SSIZE_T, pwrite, int fd, void *ptr, SIZE_T count, OFF_T offset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pwrite, fd, ptr, count, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
|
2013-02-13 11:46:01 +01:00
|
|
|
SSIZE_T res = REAL(pwrite)(fd, ptr, count, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
|
2013-01-23 12:41:33 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PWRITE COMMON_INTERCEPT_FUNCTION(pwrite)
|
2013-01-23 12:41:33 +01:00
|
|
|
#else
|
2013-02-13 11:46:01 +01:00
|
|
|
#define INIT_PWRITE
|
2013-01-23 12:41:33 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PWRITE64
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(SSIZE_T, pwrite64, int fd, void *ptr, OFF64_T count,
|
|
|
|
OFF64_T offset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pwrite64, fd, ptr, count, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
|
2013-02-13 11:46:01 +01:00
|
|
|
SSIZE_T res = REAL(pwrite64)(fd, ptr, count, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
|
2013-01-23 12:41:33 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PWRITE64 COMMON_INTERCEPT_FUNCTION(pwrite64)
|
2013-01-23 12:41:33 +01:00
|
|
|
#else
|
2013-02-13 11:46:01 +01:00
|
|
|
#define INIT_PWRITE64
|
2013-01-23 12:41:33 +01:00
|
|
|
#endif
|
|
|
|
|
2013-11-04 22:33:31 +01:00
|
|
|
#if SANITIZER_INTERCEPT_WRITEV
|
|
|
|
INTERCEPTOR_WITH_SUFFIX(SSIZE_T, writev, int fd, __sanitizer_iovec *iov,
|
|
|
|
int iovcnt) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, writev, fd, iov, iovcnt);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
|
|
|
|
SSIZE_T res = REAL(writev)(fd, iov, iovcnt);
|
|
|
|
if (res > 0) read_iovec(ctx, iov, iovcnt, res);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_WRITEV COMMON_INTERCEPT_FUNCTION(writev)
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_WRITEV
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PWRITEV
|
|
|
|
INTERCEPTOR(SSIZE_T, pwritev, int fd, __sanitizer_iovec *iov, int iovcnt,
|
|
|
|
OFF_T offset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pwritev, fd, iov, iovcnt, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
|
|
|
|
SSIZE_T res = REAL(pwritev)(fd, iov, iovcnt, offset);
|
|
|
|
if (res > 0) read_iovec(ctx, iov, iovcnt, res);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PWRITEV COMMON_INTERCEPT_FUNCTION(pwritev)
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_PWRITEV
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PWRITEV64
|
|
|
|
INTERCEPTOR(SSIZE_T, pwritev64, int fd, __sanitizer_iovec *iov, int iovcnt,
|
|
|
|
OFF64_T offset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pwritev64, fd, iov, iovcnt, offset);
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
|
|
|
|
SSIZE_T res = REAL(pwritev64)(fd, iov, iovcnt, offset);
|
|
|
|
if (res > 0) read_iovec(ctx, iov, iovcnt, res);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PWRITEV64 COMMON_INTERCEPT_FUNCTION(pwritev64)
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_PWRITEV64
|
|
|
|
#endif
|
|
|
|
|
2013-01-23 12:41:33 +01:00
|
|
|
#if SANITIZER_INTERCEPT_PRCTL
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(int, prctl, int option, unsigned long arg2,
|
|
|
|
unsigned long arg3, // NOLINT
|
|
|
|
unsigned long arg4, unsigned long arg5) { // NOLINT
|
2013-02-13 11:46:01 +01:00
|
|
|
void *ctx;
|
2013-01-23 12:41:33 +01:00
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, prctl, option, arg2, arg3, arg4, arg5);
|
|
|
|
static const int PR_SET_NAME = 15;
|
|
|
|
int res = REAL(prctl(option, arg2, arg3, arg4, arg5));
|
|
|
|
if (option == PR_SET_NAME) {
|
|
|
|
char buff[16];
|
2013-02-13 11:46:01 +01:00
|
|
|
internal_strncpy(buff, (char *)arg2, 15);
|
2013-01-23 12:41:33 +01:00
|
|
|
buff[15] = 0;
|
|
|
|
COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, buff);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PRCTL COMMON_INTERCEPT_FUNCTION(prctl)
|
2013-01-23 12:41:33 +01:00
|
|
|
#else
|
2013-02-13 11:46:01 +01:00
|
|
|
#define INIT_PRCTL
|
2013-12-05 10:18:38 +01:00
|
|
|
#endif // SANITIZER_INTERCEPT_PRCTL
|
2013-11-04 22:33:31 +01:00
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_TIME
|
|
|
|
INTERCEPTOR(unsigned long, time, unsigned long *t) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, time, t);
|
|
|
|
unsigned long res = REAL(time)(t);
|
|
|
|
if (t && res != (unsigned long)-1) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, t, sizeof(*t));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_TIME COMMON_INTERCEPT_FUNCTION(time);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_TIME
|
2013-12-05 10:18:38 +01:00
|
|
|
#endif // SANITIZER_INTERCEPT_TIME
|
2013-11-04 22:33:31 +01:00
|
|
|
|
2013-02-21 11:57:10 +01:00
|
|
|
#if SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
|
2013-12-05 10:18:38 +01:00
|
|
|
static void unpoison_tm(void *ctx, __sanitizer_tm *tm) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm));
|
|
|
|
if (tm->tm_zone) {
|
|
|
|
// Can not use COMMON_INTERCEPTOR_WRITE_RANGE here, because tm->tm_zone
|
|
|
|
// can point to shared memory and tsan would report a data race.
|
|
|
|
COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, tm->tm_zone,
|
|
|
|
REAL(strlen(tm->tm_zone)) + 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
INTERCEPTOR(__sanitizer_tm *, localtime, unsigned long *timep) {
|
2013-02-21 11:57:10 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, localtime, timep);
|
2013-12-05 10:18:38 +01:00
|
|
|
__sanitizer_tm *res = REAL(localtime)(timep);
|
2013-02-21 11:57:10 +01:00
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
|
2013-12-05 10:18:38 +01:00
|
|
|
unpoison_tm(ctx, res);
|
2013-02-21 11:57:10 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(__sanitizer_tm *, localtime_r, unsigned long *timep, void *result) {
|
2013-02-21 11:57:10 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, localtime_r, timep, result);
|
2013-12-05 10:18:38 +01:00
|
|
|
__sanitizer_tm *res = REAL(localtime_r)(timep, result);
|
2013-02-21 11:57:10 +01:00
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
|
2013-12-05 10:18:38 +01:00
|
|
|
unpoison_tm(ctx, res);
|
2013-02-21 11:57:10 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(__sanitizer_tm *, gmtime, unsigned long *timep) {
|
2013-02-21 11:57:10 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gmtime, timep);
|
2013-12-05 10:18:38 +01:00
|
|
|
__sanitizer_tm *res = REAL(gmtime)(timep);
|
2013-02-21 11:57:10 +01:00
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
|
2013-12-05 10:18:38 +01:00
|
|
|
unpoison_tm(ctx, res);
|
2013-02-21 11:57:10 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(__sanitizer_tm *, gmtime_r, unsigned long *timep, void *result) {
|
2013-02-21 11:57:10 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gmtime_r, timep, result);
|
2013-12-05 10:18:38 +01:00
|
|
|
__sanitizer_tm *res = REAL(gmtime_r)(timep, result);
|
2013-02-21 11:57:10 +01:00
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
|
2013-12-05 10:18:38 +01:00
|
|
|
unpoison_tm(ctx, res);
|
2013-02-21 11:57:10 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(char *, ctime, unsigned long *timep) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ctime, timep);
|
|
|
|
char *res = REAL(ctime)(timep);
|
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(char *, ctime_r, unsigned long *timep, char *result) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ctime_r, timep, result);
|
|
|
|
char *res = REAL(ctime_r)(timep, result);
|
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(char *, asctime, __sanitizer_tm *tm) {
|
2013-02-21 11:57:10 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, asctime, tm);
|
|
|
|
char *res = REAL(asctime)(tm);
|
|
|
|
if (res) {
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm));
|
2013-02-21 11:57:10 +01:00
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(char *, asctime_r, __sanitizer_tm *tm, char *result) {
|
2013-02-21 11:57:10 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, asctime_r, tm, result);
|
|
|
|
char *res = REAL(asctime_r)(tm, result);
|
|
|
|
if (res) {
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm));
|
2013-02-21 11:57:10 +01:00
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_LOCALTIME_AND_FRIENDS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(localtime); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(localtime_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gmtime); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gmtime_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ctime); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ctime_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(asctime); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(asctime_r);
|
2013-02-21 11:57:10 +01:00
|
|
|
#else
|
|
|
|
#define INIT_LOCALTIME_AND_FRIENDS
|
2013-12-05 10:18:38 +01:00
|
|
|
#endif // SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STRPTIME
|
|
|
|
INTERCEPTOR(char *, strptime, char *s, char *format, __sanitizer_tm *tm) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, strptime, s, format, tm);
|
|
|
|
if (format)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, format, REAL(strlen)(format) + 1);
|
|
|
|
char *res = REAL(strptime)(s, format, tm);
|
|
|
|
if (res) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, s, res - s);
|
|
|
|
// Do not call unpoison_tm here, because strptime does not, in fact,
|
|
|
|
// initialize the entire struct tm. For example, tm_zone pointer is left
|
|
|
|
// uninitialized.
|
|
|
|
if (tm) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_STRPTIME COMMON_INTERCEPT_FUNCTION(strptime);
|
|
|
|
#else
|
|
|
|
#define INIT_STRPTIME
|
|
|
|
#endif
|
2013-02-21 11:57:10 +01:00
|
|
|
|
2013-01-23 12:41:33 +01:00
|
|
|
#if SANITIZER_INTERCEPT_SCANF
|
|
|
|
|
|
|
|
#include "sanitizer_common_interceptors_scanf.inc"
|
|
|
|
|
2013-02-13 11:46:01 +01:00
|
|
|
#define VSCANF_INTERCEPTOR_IMPL(vname, allowGnuMalloc, ...) \
|
|
|
|
{ \
|
|
|
|
void *ctx; \
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \
|
|
|
|
va_list aq; \
|
|
|
|
va_copy(aq, ap); \
|
|
|
|
int res = REAL(vname)(__VA_ARGS__); \
|
|
|
|
if (res > 0) \
|
|
|
|
scanf_common(ctx, res, allowGnuMalloc, format, aq); \
|
|
|
|
va_end(aq); \
|
|
|
|
return res; \
|
|
|
|
}
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(int, vscanf, const char *format, va_list ap)
|
|
|
|
VSCANF_INTERCEPTOR_IMPL(vscanf, true, format, ap)
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(int, vsscanf, const char *str, const char *format, va_list ap)
|
|
|
|
VSCANF_INTERCEPTOR_IMPL(vsscanf, true, str, format, ap)
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(int, vfscanf, void *stream, const char *format, va_list ap)
|
|
|
|
VSCANF_INTERCEPTOR_IMPL(vfscanf, true, stream, format, ap)
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-02-21 11:57:10 +01:00
|
|
|
#if SANITIZER_INTERCEPT_ISOC99_SCANF
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(int, __isoc99_vscanf, const char *format, va_list ap)
|
|
|
|
VSCANF_INTERCEPTOR_IMPL(__isoc99_vscanf, false, format, ap)
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(int, __isoc99_vsscanf, const char *str, const char *format,
|
|
|
|
va_list ap)
|
|
|
|
VSCANF_INTERCEPTOR_IMPL(__isoc99_vsscanf, false, str, format, ap)
|
|
|
|
|
|
|
|
INTERCEPTOR(int, __isoc99_vfscanf, void *stream, const char *format, va_list ap)
|
|
|
|
VSCANF_INTERCEPTOR_IMPL(__isoc99_vfscanf, false, stream, format, ap)
|
2013-02-21 11:57:10 +01:00
|
|
|
#endif // SANITIZER_INTERCEPT_ISOC99_SCANF
|
2013-02-13 11:46:01 +01:00
|
|
|
|
|
|
|
#define SCANF_INTERCEPTOR_IMPL(name, vname, ...) \
|
|
|
|
{ \
|
|
|
|
void *ctx; \
|
|
|
|
va_list ap; \
|
|
|
|
va_start(ap, format); \
|
2013-11-04 22:33:31 +01:00
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__, ap); \
|
2013-02-13 11:46:01 +01:00
|
|
|
int res = vname(__VA_ARGS__, ap); \
|
|
|
|
va_end(ap); \
|
|
|
|
return res; \
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, scanf, const char *format, ...)
|
|
|
|
SCANF_INTERCEPTOR_IMPL(scanf, vscanf, format)
|
|
|
|
|
|
|
|
INTERCEPTOR(int, fscanf, void *stream, const char *format, ...)
|
|
|
|
SCANF_INTERCEPTOR_IMPL(fscanf, vfscanf, stream, format)
|
|
|
|
|
|
|
|
INTERCEPTOR(int, sscanf, const char *str, const char *format, ...)
|
|
|
|
SCANF_INTERCEPTOR_IMPL(sscanf, vsscanf, str, format)
|
|
|
|
|
2013-02-21 11:57:10 +01:00
|
|
|
#if SANITIZER_INTERCEPT_ISOC99_SCANF
|
2013-02-13 11:46:01 +01:00
|
|
|
INTERCEPTOR(int, __isoc99_scanf, const char *format, ...)
|
|
|
|
SCANF_INTERCEPTOR_IMPL(__isoc99_scanf, __isoc99_vscanf, format)
|
|
|
|
|
|
|
|
INTERCEPTOR(int, __isoc99_fscanf, void *stream, const char *format, ...)
|
|
|
|
SCANF_INTERCEPTOR_IMPL(__isoc99_fscanf, __isoc99_vfscanf, stream, format)
|
|
|
|
|
|
|
|
INTERCEPTOR(int, __isoc99_sscanf, const char *str, const char *format, ...)
|
|
|
|
SCANF_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf, str, format)
|
2013-02-21 11:57:10 +01:00
|
|
|
#endif
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-11-04 22:33:31 +01:00
|
|
|
#endif
|
2013-01-23 12:41:33 +01:00
|
|
|
|
2013-11-04 22:33:31 +01:00
|
|
|
#if SANITIZER_INTERCEPT_SCANF
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SCANF \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(scanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(sscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(fscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(vscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(vsscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(vfscanf);
|
2013-01-23 12:41:33 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SCANF
|
|
|
|
#endif
|
|
|
|
|
2013-11-04 22:33:31 +01:00
|
|
|
#if SANITIZER_INTERCEPT_ISOC99_SCANF
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_ISOC99_SCANF \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(__isoc99_scanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(__isoc99_sscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(__isoc99_fscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(__isoc99_vscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(__isoc99_vsscanf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(__isoc99_vfscanf);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_ISOC99_SCANF
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_IOCTL
|
|
|
|
#include "sanitizer_common_interceptors_ioctl.inc"
|
|
|
|
INTERCEPTOR(int, ioctl, int d, unsigned request, void *arg) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ioctl, d, request, arg);
|
|
|
|
|
|
|
|
CHECK(ioctl_initialized);
|
|
|
|
|
|
|
|
// Note: TSan does not use common flags, and they are zero-initialized.
|
|
|
|
// This effectively disables ioctl handling in TSan.
|
2013-12-05 10:18:38 +01:00
|
|
|
if (!common_flags()->handle_ioctl) return REAL(ioctl)(d, request, arg);
|
2013-11-04 22:33:31 +01:00
|
|
|
|
|
|
|
const ioctl_desc *desc = ioctl_lookup(request);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (!desc) Printf("WARNING: unknown ioctl %x\n", request);
|
2013-11-04 22:33:31 +01:00
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
if (desc) ioctl_common_pre(ctx, desc, d, request, arg);
|
2013-11-04 22:33:31 +01:00
|
|
|
int res = REAL(ioctl)(d, request, arg);
|
|
|
|
// FIXME: some ioctls have different return values for success and failure.
|
2013-12-05 10:18:38 +01:00
|
|
|
if (desc && res != -1) ioctl_common_post(ctx, desc, res, d, request, arg);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_IOCTL \
|
|
|
|
ioctl_init(); \
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPT_FUNCTION(ioctl);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_IOCTL
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS
|
|
|
|
INTERCEPTOR(void *, getpwnam, const char *name) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getpwnam, name);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1);
|
|
|
|
void *res = REAL(getpwnam)(name);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res != 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, struct_passwd_sz);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(void *, getpwuid, u32 uid) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getpwuid, uid);
|
|
|
|
void *res = REAL(getpwuid)(uid);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res != 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, struct_passwd_sz);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(void *, getgrnam, const char *name) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getgrnam, name);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1);
|
|
|
|
void *res = REAL(getgrnam)(name);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res != 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, struct_group_sz);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(void *, getgrgid, u32 gid) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getgrgid, gid);
|
|
|
|
void *res = REAL(getgrgid)(gid);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res != 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, struct_group_sz);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETPWNAM_AND_FRIENDS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getpwnam); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getpwuid); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getgrnam); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getgrgid);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETPWNAM_AND_FRIENDS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(int, getpwnam_r, const char *name, void *pwd, char *buf,
|
|
|
|
SIZE_T buflen, void **result) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getpwnam_r, name, pwd, buf, buflen, result);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1);
|
|
|
|
int res = REAL(getpwnam_r)(name, pwd, buf, buflen, result);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, struct_passwd_sz);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(int, getpwuid_r, u32 uid, void *pwd, char *buf, SIZE_T buflen,
|
|
|
|
void **result) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getpwuid_r, uid, pwd, buf, buflen, result);
|
|
|
|
int res = REAL(getpwuid_r)(uid, pwd, buf, buflen, result);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, struct_passwd_sz);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(int, getgrnam_r, const char *name, void *grp, char *buf,
|
|
|
|
SIZE_T buflen, void **result) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getgrnam_r, name, grp, buf, buflen, result);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1);
|
|
|
|
int res = REAL(getgrnam_r)(name, grp, buf, buflen, result);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, struct_group_sz);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(int, getgrgid_r, u32 gid, void *grp, char *buf, SIZE_T buflen,
|
|
|
|
void **result) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getgrgid_r, gid, grp, buf, buflen, result);
|
|
|
|
int res = REAL(getgrgid_r)(gid, grp, buf, buflen, result);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, struct_group_sz);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETPWNAM_R_AND_FRIENDS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getpwnam_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getpwuid_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getgrnam_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getgrgid_r);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETPWNAM_R_AND_FRIENDS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_CLOCK_GETTIME
|
|
|
|
INTERCEPTOR(int, clock_getres, u32 clk_id, void *tp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, clock_getres, clk_id, tp);
|
|
|
|
int res = REAL(clock_getres)(clk_id, tp);
|
|
|
|
if (!res && tp) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, clock_gettime, u32 clk_id, void *tp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, clock_gettime, clk_id, tp);
|
|
|
|
int res = REAL(clock_gettime)(clk_id, tp);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, clock_settime, u32 clk_id, const void *tp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, clock_settime, clk_id, tp);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, tp, struct_timespec_sz);
|
|
|
|
return REAL(clock_settime)(clk_id, tp);
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_CLOCK_GETTIME \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(clock_getres); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(clock_gettime); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(clock_settime);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_CLOCK_GETTIME
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETITIMER
|
|
|
|
INTERCEPTOR(int, getitimer, int which, void *curr_value) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getitimer, which, curr_value);
|
|
|
|
int res = REAL(getitimer)(which, curr_value);
|
|
|
|
if (!res && curr_value) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerval_sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, setitimer, int which, const void *new_value, void *old_value) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, setitimer, which, new_value, old_value);
|
|
|
|
if (new_value)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, struct_itimerval_sz);
|
|
|
|
int res = REAL(setitimer)(which, new_value, old_value);
|
|
|
|
if (!res && old_value) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerval_sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETITIMER \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getitimer); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(setitimer);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETITIMER
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GLOB
|
|
|
|
static void unpoison_glob_t(void *ctx, __sanitizer_glob_t *pglob) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pglob, sizeof(*pglob));
|
|
|
|
// +1 for NULL pointer at the end.
|
|
|
|
if (pglob->gl_pathv)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(
|
|
|
|
ctx, pglob->gl_pathv, (pglob->gl_pathc + 1) * sizeof(*pglob->gl_pathv));
|
|
|
|
for (SIZE_T i = 0; i < pglob->gl_pathc; ++i) {
|
|
|
|
char *p = pglob->gl_pathv[i];
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, REAL(strlen)(p) + 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
static THREADLOCAL __sanitizer_glob_t *pglob_copy;
|
|
|
|
static THREADLOCAL void *glob_ctx;
|
2013-11-04 22:33:31 +01:00
|
|
|
|
|
|
|
static void wrapped_gl_closedir(void *dir) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(glob_ctx, 1);
|
|
|
|
pglob_copy->gl_closedir(dir);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *wrapped_gl_readdir(void *dir) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(glob_ctx, 1);
|
|
|
|
return pglob_copy->gl_readdir(dir);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *wrapped_gl_opendir(const char *s) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(glob_ctx, 1);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(glob_ctx, s, REAL(strlen)(s) + 1);
|
|
|
|
return pglob_copy->gl_opendir(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int wrapped_gl_lstat(const char *s, void *st) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(glob_ctx, 2);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(glob_ctx, s, REAL(strlen)(s) + 1);
|
|
|
|
return pglob_copy->gl_lstat(s, st);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int wrapped_gl_stat(const char *s, void *st) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(glob_ctx, 2);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(glob_ctx, s, REAL(strlen)(s) + 1);
|
|
|
|
return pglob_copy->gl_stat(s, st);
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, glob, const char *pattern, int flags,
|
|
|
|
int (*errfunc)(const char *epath, int eerrno),
|
|
|
|
__sanitizer_glob_t *pglob) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob);
|
2013-12-05 10:18:38 +01:00
|
|
|
__sanitizer_glob_t glob_copy = {
|
|
|
|
0, 0, 0,
|
|
|
|
0, wrapped_gl_closedir, wrapped_gl_readdir,
|
|
|
|
wrapped_gl_opendir, wrapped_gl_lstat, wrapped_gl_stat};
|
2013-11-04 22:33:31 +01:00
|
|
|
if (flags & glob_altdirfunc) {
|
|
|
|
Swap(pglob->gl_closedir, glob_copy.gl_closedir);
|
|
|
|
Swap(pglob->gl_readdir, glob_copy.gl_readdir);
|
|
|
|
Swap(pglob->gl_opendir, glob_copy.gl_opendir);
|
|
|
|
Swap(pglob->gl_lstat, glob_copy.gl_lstat);
|
|
|
|
Swap(pglob->gl_stat, glob_copy.gl_stat);
|
|
|
|
pglob_copy = &glob_copy;
|
|
|
|
glob_ctx = ctx;
|
|
|
|
}
|
|
|
|
int res = REAL(glob)(pattern, flags, errfunc, pglob);
|
|
|
|
if (flags & glob_altdirfunc) {
|
|
|
|
Swap(pglob->gl_closedir, glob_copy.gl_closedir);
|
|
|
|
Swap(pglob->gl_readdir, glob_copy.gl_readdir);
|
|
|
|
Swap(pglob->gl_opendir, glob_copy.gl_opendir);
|
|
|
|
Swap(pglob->gl_lstat, glob_copy.gl_lstat);
|
|
|
|
Swap(pglob->gl_stat, glob_copy.gl_stat);
|
|
|
|
}
|
|
|
|
pglob_copy = 0;
|
|
|
|
glob_ctx = 0;
|
|
|
|
if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, glob64, const char *pattern, int flags,
|
|
|
|
int (*errfunc)(const char *epath, int eerrno),
|
|
|
|
__sanitizer_glob_t *pglob) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, glob64, pattern, flags, errfunc, pglob);
|
2013-12-05 10:18:38 +01:00
|
|
|
__sanitizer_glob_t glob_copy = {
|
|
|
|
0, 0, 0,
|
|
|
|
0, wrapped_gl_closedir, wrapped_gl_readdir,
|
|
|
|
wrapped_gl_opendir, wrapped_gl_lstat, wrapped_gl_stat};
|
2013-11-04 22:33:31 +01:00
|
|
|
if (flags & glob_altdirfunc) {
|
|
|
|
Swap(pglob->gl_closedir, glob_copy.gl_closedir);
|
|
|
|
Swap(pglob->gl_readdir, glob_copy.gl_readdir);
|
|
|
|
Swap(pglob->gl_opendir, glob_copy.gl_opendir);
|
|
|
|
Swap(pglob->gl_lstat, glob_copy.gl_lstat);
|
|
|
|
Swap(pglob->gl_stat, glob_copy.gl_stat);
|
|
|
|
pglob_copy = &glob_copy;
|
|
|
|
glob_ctx = ctx;
|
|
|
|
}
|
|
|
|
int res = REAL(glob64)(pattern, flags, errfunc, pglob);
|
|
|
|
if (flags & glob_altdirfunc) {
|
|
|
|
Swap(pglob->gl_closedir, glob_copy.gl_closedir);
|
|
|
|
Swap(pglob->gl_readdir, glob_copy.gl_readdir);
|
|
|
|
Swap(pglob->gl_opendir, glob_copy.gl_opendir);
|
|
|
|
Swap(pglob->gl_lstat, glob_copy.gl_lstat);
|
|
|
|
Swap(pglob->gl_stat, glob_copy.gl_stat);
|
|
|
|
}
|
|
|
|
pglob_copy = 0;
|
|
|
|
glob_ctx = 0;
|
|
|
|
if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GLOB \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(glob); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(glob64);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else // SANITIZER_INTERCEPT_GLOB
|
|
|
|
#define INIT_GLOB
|
|
|
|
#endif // SANITIZER_INTERCEPT_GLOB
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_WAIT
|
|
|
|
// According to sys/wait.h, wait(), waitid(), waitpid() may have symbol version
|
|
|
|
// suffixes on Darwin. See the declaration of INTERCEPTOR_WITH_SUFFIX for
|
|
|
|
// details.
|
|
|
|
INTERCEPTOR_WITH_SUFFIX(int, wait, int *status) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wait, status);
|
|
|
|
int res = REAL(wait)(status);
|
|
|
|
if (res != -1 && status)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, int id, void *infop,
|
2013-12-05 10:18:38 +01:00
|
|
|
int options) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, waitid, idtype, id, infop, options);
|
|
|
|
int res = REAL(waitid)(idtype, id, infop, options);
|
|
|
|
if (res != -1 && infop)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, infop, siginfo_t_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR_WITH_SUFFIX(int, waitpid, int pid, int *status, int options) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, waitpid, pid, status, options);
|
|
|
|
int res = REAL(waitpid)(pid, status, options);
|
|
|
|
if (res != -1 && status)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, wait3, int *status, int options, void *rusage) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wait3, status, options, rusage);
|
|
|
|
int res = REAL(wait3)(status, options, rusage);
|
|
|
|
if (res != -1) {
|
2013-12-05 10:18:38 +01:00
|
|
|
if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
|
|
|
|
if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
|
2013-11-04 22:33:31 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, wait4, int pid, int *status, int options, void *rusage) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wait4, pid, status, options, rusage);
|
|
|
|
int res = REAL(wait4)(pid, status, options, rusage);
|
|
|
|
if (res != -1) {
|
2013-12-05 10:18:38 +01:00
|
|
|
if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
|
|
|
|
if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
|
2013-11-04 22:33:31 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_WAIT \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(wait); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(waitid); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(waitpid); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(wait3); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(wait4);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_WAIT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_INET
|
|
|
|
INTERCEPTOR(char *, inet_ntop, int af, const void *src, char *dst, u32 size) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, inet_ntop, af, src, dst, size);
|
|
|
|
uptr sz = __sanitizer_in_addr_sz(af);
|
|
|
|
if (sz) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sz);
|
|
|
|
// FIXME: figure out read size based on the address family.
|
|
|
|
char *res = REAL(inet_ntop)(af, src, dst, size);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, inet_pton, int af, const char *src, void *dst) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, inet_pton, af, src, dst);
|
|
|
|
// FIXME: figure out read size based on the address family.
|
|
|
|
int res = REAL(inet_pton)(af, src, dst);
|
|
|
|
if (res == 1) {
|
|
|
|
uptr sz = __sanitizer_in_addr_sz(af);
|
|
|
|
if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_INET \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(inet_ntop); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(inet_pton);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_INET
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_INET
|
|
|
|
INTERCEPTOR(int, inet_aton, const char *cp, void *dst) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, inet_aton, cp, dst);
|
|
|
|
if (cp) COMMON_INTERCEPTOR_READ_RANGE(ctx, cp, REAL(strlen)(cp) + 1);
|
|
|
|
int res = REAL(inet_aton)(cp, dst);
|
|
|
|
if (res != 0) {
|
|
|
|
uptr sz = __sanitizer_in_addr_sz(af_inet);
|
|
|
|
if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_INET_ATON COMMON_INTERCEPT_FUNCTION(inet_aton);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_INET_ATON
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM
|
|
|
|
INTERCEPTOR(int, pthread_getschedparam, uptr thread, int *policy, int *param) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_getschedparam, thread, policy, param);
|
|
|
|
int res = REAL(pthread_getschedparam)(thread, policy, param);
|
|
|
|
if (res == 0) {
|
|
|
|
if (policy) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, policy, sizeof(*policy));
|
|
|
|
if (param) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, sizeof(*param));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PTHREAD_GETSCHEDPARAM \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_getschedparam);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_GETSCHEDPARAM
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETADDRINFO
|
|
|
|
INTERCEPTOR(int, getaddrinfo, char *node, char *service,
|
|
|
|
struct __sanitizer_addrinfo *hints,
|
|
|
|
struct __sanitizer_addrinfo **out) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getaddrinfo, node, service, hints, out);
|
|
|
|
if (node) COMMON_INTERCEPTOR_READ_RANGE(ctx, node, REAL(strlen)(node) + 1);
|
|
|
|
if (service)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, service, REAL(strlen)(service) + 1);
|
|
|
|
if (hints)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, hints, sizeof(__sanitizer_addrinfo));
|
|
|
|
int res = REAL(getaddrinfo)(node, service, hints, out);
|
|
|
|
if (res == 0 && out) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, out, sizeof(*out));
|
|
|
|
struct __sanitizer_addrinfo *p = *out;
|
|
|
|
while (p) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
|
|
|
|
if (p->ai_addr)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_addr, p->ai_addrlen);
|
|
|
|
if (p->ai_canonname)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_canonname,
|
|
|
|
REAL(strlen)(p->ai_canonname) + 1);
|
|
|
|
p = p->ai_next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETADDRINFO COMMON_INTERCEPT_FUNCTION(getaddrinfo);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETADDRINFO
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETNAMEINFO
|
|
|
|
INTERCEPTOR(int, getnameinfo, void *sockaddr, unsigned salen, char *host,
|
|
|
|
unsigned hostlen, char *serv, unsigned servlen, int flags) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getnameinfo, sockaddr, salen, host, hostlen,
|
|
|
|
serv, servlen, flags);
|
|
|
|
// FIXME: consider adding READ_RANGE(sockaddr, salen)
|
|
|
|
// There is padding in in_addr that may make this too noisy
|
|
|
|
int res =
|
|
|
|
REAL(getnameinfo)(sockaddr, salen, host, hostlen, serv, servlen, flags);
|
|
|
|
if (res == 0) {
|
|
|
|
if (host && hostlen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, host, REAL(strlen)(host) + 1);
|
|
|
|
if (serv && servlen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, serv, REAL(strlen)(serv) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETNAMEINFO COMMON_INTERCEPT_FUNCTION(getnameinfo);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETNAMEINFO
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETSOCKNAME
|
|
|
|
INTERCEPTOR(int, getsockname, int sock_fd, void *addr, int *addrlen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getsockname, sock_fd, addr, addrlen);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
|
|
|
|
int addrlen_in = *addrlen;
|
|
|
|
int res = REAL(getsockname)(sock_fd, addr, addrlen);
|
|
|
|
if (res == 0) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addrlen_in, *addrlen));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETSOCKNAME COMMON_INTERCEPT_FUNCTION(getsockname);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETSOCKNAME
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETHOSTBYNAME || SANITIZER_INTERCEPT_GETHOSTBYNAME_R
|
|
|
|
static void write_hostent(void *ctx, struct __sanitizer_hostent *h) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h, sizeof(__sanitizer_hostent));
|
|
|
|
if (h->h_name)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h->h_name, REAL(strlen)(h->h_name) + 1);
|
|
|
|
char **p = h->h_aliases;
|
|
|
|
while (*p) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, REAL(strlen)(*p) + 1);
|
|
|
|
++p;
|
|
|
|
}
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(
|
|
|
|
ctx, h->h_aliases, (p - h->h_aliases + 1) * sizeof(*h->h_aliases));
|
|
|
|
p = h->h_addr_list;
|
|
|
|
while (*p) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, h->h_length);
|
|
|
|
++p;
|
|
|
|
}
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(
|
|
|
|
ctx, h->h_addr_list, (p - h->h_addr_list + 1) * sizeof(*h->h_addr_list));
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETHOSTBYNAME
|
|
|
|
INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname, char *name) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname, name);
|
|
|
|
struct __sanitizer_hostent *res = REAL(gethostbyname)(name);
|
|
|
|
if (res) write_hostent(ctx, res);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(struct __sanitizer_hostent *, gethostbyaddr, void *addr, int len,
|
|
|
|
int type) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr, addr, len, type);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
|
|
|
|
struct __sanitizer_hostent *res = REAL(gethostbyaddr)(addr, len, type);
|
|
|
|
if (res) write_hostent(ctx, res);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(struct __sanitizer_hostent *, gethostent, int fake) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostent, fake);
|
|
|
|
struct __sanitizer_hostent *res = REAL(gethostent)(fake);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (res) write_hostent(ctx, res);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname2, char *name, int af) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2, name, af);
|
|
|
|
struct __sanitizer_hostent *res = REAL(gethostbyname2)(name, af);
|
|
|
|
if (res) write_hostent(ctx, res);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETHOSTBYNAME \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostent); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostbyaddr); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostbyname); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostbyname2);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETHOSTBYNAME
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETHOSTBYNAME_R
|
|
|
|
INTERCEPTOR(int, gethostent_r, struct __sanitizer_hostent *ret, char *buf,
|
|
|
|
SIZE_T buflen, __sanitizer_hostent **result, int *h_errnop) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostent_r, ret, buf, buflen, result,
|
|
|
|
h_errnop);
|
|
|
|
int res = REAL(gethostent_r)(ret, buf, buflen, result, h_errnop);
|
|
|
|
if (res == 0) {
|
|
|
|
if (result) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
if (*result) write_hostent(ctx, *result);
|
|
|
|
}
|
|
|
|
if (h_errnop)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, gethostbyaddr_r, void *addr, int len, int type,
|
|
|
|
struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen,
|
|
|
|
__sanitizer_hostent **result, int *h_errnop) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr_r, addr, len, type, ret, buf,
|
|
|
|
buflen, result, h_errnop);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
|
|
|
|
int res = REAL(gethostbyaddr_r)(addr, len, type, ret, buf, buflen, result,
|
|
|
|
h_errnop);
|
|
|
|
if (res == 0) {
|
|
|
|
if (result) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
if (*result) write_hostent(ctx, *result);
|
|
|
|
}
|
|
|
|
if (h_errnop)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, gethostbyname_r, char *name, struct __sanitizer_hostent *ret,
|
|
|
|
char *buf, SIZE_T buflen, __sanitizer_hostent **result,
|
|
|
|
int *h_errnop) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname_r, name, ret, buf, buflen, result,
|
|
|
|
h_errnop);
|
|
|
|
int res = REAL(gethostbyname_r)(name, ret, buf, buflen, result, h_errnop);
|
|
|
|
if (res == 0) {
|
|
|
|
if (result) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
if (*result) write_hostent(ctx, *result);
|
|
|
|
}
|
|
|
|
if (h_errnop)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, gethostbyname2_r, char *name, int af,
|
|
|
|
struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen,
|
|
|
|
__sanitizer_hostent **result, int *h_errnop) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2_r, name, af, ret, buf, buflen,
|
|
|
|
result, h_errnop);
|
|
|
|
int res =
|
|
|
|
REAL(gethostbyname2_r)(name, af, ret, buf, buflen, result, h_errnop);
|
|
|
|
if (res == 0) {
|
|
|
|
if (result) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
if (*result) write_hostent(ctx, *result);
|
|
|
|
}
|
|
|
|
if (h_errnop)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETHOSTBYNAME_R \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostent_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostbyaddr_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostbyname_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(gethostbyname2_r);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETHOSTBYNAME_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETSOCKOPT
|
|
|
|
INTERCEPTOR(int, getsockopt, int sockfd, int level, int optname, void *optval,
|
|
|
|
int *optlen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getsockopt, sockfd, level, optname, optval,
|
|
|
|
optlen);
|
|
|
|
if (optlen) COMMON_INTERCEPTOR_READ_RANGE(ctx, optlen, sizeof(*optlen));
|
|
|
|
int res = REAL(getsockopt)(sockfd, level, optname, optval, optlen);
|
|
|
|
if (res == 0)
|
|
|
|
if (optval && optlen) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, optval, *optlen);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETSOCKOPT COMMON_INTERCEPT_FUNCTION(getsockopt);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETSOCKOPT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_ACCEPT
|
|
|
|
INTERCEPTOR(int, accept, int fd, void *addr, unsigned *addrlen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, accept, fd, addr, addrlen);
|
|
|
|
unsigned addrlen0;
|
|
|
|
if (addrlen) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
|
|
|
|
addrlen0 = *addrlen;
|
|
|
|
}
|
|
|
|
int fd2 = REAL(accept)(fd, addr, addrlen);
|
|
|
|
if (fd2 >= 0) {
|
2013-12-05 10:18:38 +01:00
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (addr && addrlen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
|
|
|
|
}
|
|
|
|
return fd2;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_ACCEPT COMMON_INTERCEPT_FUNCTION(accept);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_ACCEPT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_ACCEPT4
|
|
|
|
INTERCEPTOR(int, accept4, int fd, void *addr, unsigned *addrlen, int f) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, accept4, fd, addr, addrlen, f);
|
|
|
|
unsigned addrlen0;
|
|
|
|
if (addrlen) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
|
|
|
|
addrlen0 = *addrlen;
|
|
|
|
}
|
|
|
|
int fd2 = REAL(accept4)(fd, addr, addrlen, f);
|
|
|
|
if (fd2 >= 0) {
|
2013-12-05 10:18:38 +01:00
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (addr && addrlen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
|
|
|
|
}
|
|
|
|
return fd2;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_ACCEPT4 COMMON_INTERCEPT_FUNCTION(accept4);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_ACCEPT4
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_MODF
|
|
|
|
INTERCEPTOR(double, modf, double x, double *iptr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, modf, x, iptr);
|
|
|
|
double res = REAL(modf)(x, iptr);
|
|
|
|
if (iptr) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(float, modff, float x, float *iptr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, modff, x, iptr);
|
|
|
|
float res = REAL(modff)(x, iptr);
|
|
|
|
if (iptr) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(long double, modfl, long double x, long double *iptr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, modfl, x, iptr);
|
|
|
|
long double res = REAL(modfl)(x, iptr);
|
|
|
|
if (iptr) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_MODF \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(modf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(modff); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(modfl);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_MODF
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_RECVMSG
|
|
|
|
static void write_msghdr(void *ctx, struct __sanitizer_msghdr *msg,
|
|
|
|
SSIZE_T maxlen) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg, sizeof(*msg));
|
2013-12-05 10:18:38 +01:00
|
|
|
if (msg->msg_name && msg->msg_namelen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_name, msg->msg_namelen);
|
|
|
|
if (msg->msg_iov && msg->msg_iovlen)
|
2013-11-04 22:33:31 +01:00
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_iov,
|
|
|
|
sizeof(*msg->msg_iov) * msg->msg_iovlen);
|
|
|
|
write_iovec(ctx, msg->msg_iov, msg->msg_iovlen, maxlen);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (msg->msg_control && msg->msg_controllen)
|
2013-11-04 22:33:31 +01:00
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_control, msg->msg_controllen);
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(SSIZE_T, recvmsg, int fd, struct __sanitizer_msghdr *msg,
|
|
|
|
int flags) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, recvmsg, fd, msg, flags);
|
|
|
|
SSIZE_T res = REAL(recvmsg)(fd, msg, flags);
|
|
|
|
if (res >= 0) {
|
|
|
|
if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (msg) {
|
|
|
|
write_msghdr(ctx, msg, res);
|
|
|
|
COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg);
|
|
|
|
}
|
2013-11-04 22:33:31 +01:00
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_RECVMSG COMMON_INTERCEPT_FUNCTION(recvmsg);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_RECVMSG
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETPEERNAME
|
|
|
|
INTERCEPTOR(int, getpeername, int sockfd, void *addr, unsigned *addrlen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getpeername, sockfd, addr, addrlen);
|
|
|
|
unsigned addr_sz;
|
|
|
|
if (addrlen) addr_sz = *addrlen;
|
|
|
|
int res = REAL(getpeername)(sockfd, addr, addrlen);
|
|
|
|
if (!res && addr && addrlen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen));
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETPEERNAME COMMON_INTERCEPT_FUNCTION(getpeername);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETPEERNAME
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SYSINFO
|
|
|
|
INTERCEPTOR(int, sysinfo, void *info) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sysinfo, info);
|
|
|
|
int res = REAL(sysinfo)(info);
|
|
|
|
if (!res && info)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, struct_sysinfo_sz);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SYSINFO COMMON_INTERCEPT_FUNCTION(sysinfo);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SYSINFO
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_READDIR
|
|
|
|
INTERCEPTOR(__sanitizer_dirent *, readdir, void *dirp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, readdir, dirp);
|
|
|
|
__sanitizer_dirent *res = REAL(readdir)(dirp);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, res->d_reclen);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, readdir_r, void *dirp, __sanitizer_dirent *entry,
|
|
|
|
__sanitizer_dirent **result) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, readdir_r, dirp, entry, result);
|
|
|
|
int res = REAL(readdir_r)(dirp, entry, result);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
if (*result)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, (*result)->d_reclen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_READDIR \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(readdir); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(readdir_r);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_READDIR
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_READDIR64
|
|
|
|
INTERCEPTOR(__sanitizer_dirent64 *, readdir64, void *dirp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, readdir64, dirp);
|
|
|
|
__sanitizer_dirent64 *res = REAL(readdir64)(dirp);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, res->d_reclen);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, readdir64_r, void *dirp, __sanitizer_dirent64 *entry,
|
|
|
|
__sanitizer_dirent64 **result) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, readdir64_r, dirp, entry, result);
|
|
|
|
int res = REAL(readdir64_r)(dirp, entry, result);
|
|
|
|
if (!res) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
if (*result)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, (*result)->d_reclen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_READDIR64 \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(readdir64); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(readdir64_r);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_READDIR64
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTRACE
|
|
|
|
INTERCEPTOR(uptr, ptrace, int request, int pid, void *addr, void *data) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ptrace, request, pid, addr, data);
|
|
|
|
|
|
|
|
if (data) {
|
|
|
|
if (request == ptrace_setregs)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_regs_struct_sz);
|
|
|
|
else if (request == ptrace_setfpregs)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpregs_struct_sz);
|
|
|
|
else if (request == ptrace_setfpxregs)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpxregs_struct_sz);
|
|
|
|
else if (request == ptrace_setsiginfo)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, data, siginfo_t_sz);
|
|
|
|
else if (request == ptrace_setregset) {
|
|
|
|
__sanitizer_iovec *iov = (__sanitizer_iovec *)data;
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, iov->iov_base, iov->iov_len);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
uptr res = REAL(ptrace)(request, pid, addr, data);
|
|
|
|
|
|
|
|
if (!res && data) {
|
|
|
|
// Note that PEEK* requests assing different meaning to the return value.
|
|
|
|
// This function does not handle them (nor does it need to).
|
|
|
|
if (request == ptrace_getregs)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_regs_struct_sz);
|
|
|
|
else if (request == ptrace_getfpregs)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpregs_struct_sz);
|
|
|
|
else if (request == ptrace_getfpxregs)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpxregs_struct_sz);
|
|
|
|
else if (request == ptrace_getsiginfo)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, siginfo_t_sz);
|
|
|
|
else if (request == ptrace_getregset) {
|
|
|
|
__sanitizer_iovec *iov = (__sanitizer_iovec *)data;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iov->iov_base, iov->iov_len);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PTRACE COMMON_INTERCEPT_FUNCTION(ptrace);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_PTRACE
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SETLOCALE
|
|
|
|
INTERCEPTOR(char *, setlocale, int category, char *locale) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, setlocale, category, locale);
|
|
|
|
if (locale)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, locale, REAL(strlen)(locale) + 1);
|
|
|
|
char *res = REAL(setlocale)(category, locale);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SETLOCALE COMMON_INTERCEPT_FUNCTION(setlocale);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SETLOCALE
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETCWD
|
|
|
|
INTERCEPTOR(char *, getcwd, char *buf, SIZE_T size) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getcwd, buf, size);
|
|
|
|
char *res = REAL(getcwd)(buf, size);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETCWD COMMON_INTERCEPT_FUNCTION(getcwd);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETCWD
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME
|
2013-12-05 10:18:38 +01:00
|
|
|
INTERCEPTOR(char *, get_current_dir_name, int fake) {
|
2013-11-04 22:33:31 +01:00
|
|
|
void *ctx;
|
2013-12-05 10:18:38 +01:00
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, get_current_dir_name, fake);
|
|
|
|
char *res = REAL(get_current_dir_name)(fake);
|
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GET_CURRENT_DIR_NAME \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(get_current_dir_name);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GET_CURRENT_DIR_NAME
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STRTOIMAX
|
|
|
|
INTERCEPTOR(INTMAX_T, strtoimax, const char *nptr, char **endptr, int base) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, strtoimax, nptr, endptr, base);
|
|
|
|
INTMAX_T res = REAL(strtoimax)(nptr, endptr, base);
|
|
|
|
if (endptr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, endptr, sizeof(*endptr));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(INTMAX_T, strtoumax, const char *nptr, char **endptr, int base) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, strtoumax, nptr, endptr, base);
|
|
|
|
INTMAX_T res = REAL(strtoumax)(nptr, endptr, base);
|
|
|
|
if (endptr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, endptr, sizeof(*endptr));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_STRTOIMAX \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(strtoimax); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(strtoumax);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_STRTOIMAX
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_MBSTOWCS
|
|
|
|
INTERCEPTOR(SIZE_T, mbstowcs, wchar_t *dest, const char *src, SIZE_T len) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, mbstowcs, dest, src, len);
|
|
|
|
SIZE_T res = REAL(mbstowcs)(dest, src, len);
|
|
|
|
if (res != (SIZE_T) - 1 && dest) {
|
|
|
|
SIZE_T write_cnt = res + (res < len);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(SIZE_T, mbsrtowcs, wchar_t *dest, const char **src, SIZE_T len,
|
|
|
|
void *ps) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, mbsrtowcs, dest, src, len, ps);
|
|
|
|
if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
|
|
|
|
if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
|
|
|
|
SIZE_T res = REAL(mbsrtowcs)(dest, src, len, ps);
|
|
|
|
if (res != (SIZE_T)(-1) && dest && src) {
|
|
|
|
// This function, and several others, may or may not write the terminating
|
|
|
|
// \0 character. They write it iff they clear *src.
|
|
|
|
SIZE_T write_cnt = res + !*src;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_MBSTOWCS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(mbstowcs); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(mbsrtowcs);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_MBSTOWCS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_MBSNRTOWCS
|
|
|
|
INTERCEPTOR(SIZE_T, mbsnrtowcs, wchar_t *dest, const char **src, SIZE_T nms,
|
|
|
|
SIZE_T len, void *ps) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, mbsnrtowcs, dest, src, nms, len, ps);
|
|
|
|
if (src) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
|
|
|
|
if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms);
|
|
|
|
}
|
|
|
|
if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
|
|
|
|
SIZE_T res = REAL(mbsnrtowcs)(dest, src, nms, len, ps);
|
|
|
|
if (res != (SIZE_T)(-1) && dest && src) {
|
|
|
|
SIZE_T write_cnt = res + !*src;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_MBSNRTOWCS COMMON_INTERCEPT_FUNCTION(mbsnrtowcs);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_MBSNRTOWCS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_WCSTOMBS
|
|
|
|
INTERCEPTOR(SIZE_T, wcstombs, char *dest, const wchar_t *src, SIZE_T len) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wcstombs, dest, src, len);
|
|
|
|
SIZE_T res = REAL(wcstombs)(dest, src, len);
|
|
|
|
if (res != (SIZE_T) - 1 && dest) {
|
|
|
|
SIZE_T write_cnt = res + (res < len);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(SIZE_T, wcsrtombs, char *dest, const wchar_t **src, SIZE_T len,
|
|
|
|
void *ps) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wcsrtombs, dest, src, len, ps);
|
|
|
|
if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
|
|
|
|
if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
|
|
|
|
SIZE_T res = REAL(wcsrtombs)(dest, src, len, ps);
|
|
|
|
if (res != (SIZE_T) - 1 && dest && src) {
|
|
|
|
SIZE_T write_cnt = res + !*src;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_WCSTOMBS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(wcstombs); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(wcsrtombs);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_WCSTOMBS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_WCSNRTOMBS
|
|
|
|
INTERCEPTOR(SIZE_T, wcsnrtombs, char *dest, const wchar_t **src, SIZE_T nms,
|
|
|
|
SIZE_T len, void *ps) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wcsnrtombs, dest, src, nms, len, ps);
|
|
|
|
if (src) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
|
|
|
|
if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms);
|
|
|
|
}
|
|
|
|
if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
|
|
|
|
SIZE_T res = REAL(wcsnrtombs)(dest, src, nms, len, ps);
|
|
|
|
if (res != (SIZE_T) - 1 && dest && src) {
|
|
|
|
SIZE_T write_cnt = res + !*src;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_WCSNRTOMBS COMMON_INTERCEPT_FUNCTION(wcsnrtombs);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_WCSNRTOMBS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_TCGETATTR
|
|
|
|
INTERCEPTOR(int, tcgetattr, int fd, void *termios_p) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, tcgetattr, fd, termios_p);
|
|
|
|
int res = REAL(tcgetattr)(fd, termios_p);
|
|
|
|
if (!res && termios_p)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, termios_p, struct_termios_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_TCGETATTR COMMON_INTERCEPT_FUNCTION(tcgetattr);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_TCGETATTR
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_REALPATH
|
|
|
|
INTERCEPTOR(char *, realpath, const char *path, char *resolved_path) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, realpath, path, resolved_path);
|
|
|
|
if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
|
|
|
|
|
|
|
|
// Workaround a bug in glibc where dlsym(RTLD_NEXT, ...) returns the oldest
|
|
|
|
// version of a versioned symbol. For realpath(), this gives us something
|
|
|
|
// (called __old_realpath) that does not handle NULL in the second argument.
|
|
|
|
// Handle it as part of the interceptor.
|
|
|
|
char *allocated_path = 0;
|
|
|
|
if (!resolved_path)
|
|
|
|
allocated_path = resolved_path = (char *)WRAP(malloc)(path_max + 1);
|
|
|
|
|
|
|
|
char *res = REAL(realpath)(path, resolved_path);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (allocated_path && !res) WRAP(free)(allocated_path);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_REALPATH COMMON_INTERCEPT_FUNCTION(realpath);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_REALPATH
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME
|
|
|
|
INTERCEPTOR(char *, canonicalize_file_name, const char *path) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, canonicalize_file_name, path);
|
|
|
|
if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
|
|
|
|
char *res = REAL(canonicalize_file_name)(path);
|
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_CANONICALIZE_FILE_NAME \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(canonicalize_file_name);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_CANONICALIZE_FILE_NAME
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_CONFSTR
|
|
|
|
INTERCEPTOR(SIZE_T, confstr, int name, char *buf, SIZE_T len) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, confstr, name, buf, len);
|
|
|
|
SIZE_T res = REAL(confstr)(name, buf, len);
|
|
|
|
if (buf && res)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res < len ? res : len);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_CONFSTR COMMON_INTERCEPT_FUNCTION(confstr);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_CONFSTR
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SCHED_GETAFFINITY
|
|
|
|
INTERCEPTOR(int, sched_getaffinity, int pid, SIZE_T cpusetsize, void *mask) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sched_getaffinity, pid, cpusetsize, mask);
|
|
|
|
int res = REAL(sched_getaffinity)(pid, cpusetsize, mask);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SCHED_GETAFFINITY COMMON_INTERCEPT_FUNCTION(sched_getaffinity);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SCHED_GETAFFINITY
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STRERROR
|
|
|
|
INTERCEPTOR(char *, strerror, int errnum) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, strerror, errnum);
|
|
|
|
char *res = REAL(strerror)(errnum);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_STRERROR COMMON_INTERCEPT_FUNCTION(strerror);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_STRERROR
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STRERROR_R
|
|
|
|
INTERCEPTOR(char *, strerror_r, int errnum, char *buf, SIZE_T buflen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen);
|
|
|
|
char *res = REAL(strerror_r)(errnum, buf, buflen);
|
|
|
|
// There are 2 versions of strerror_r:
|
|
|
|
// * POSIX version returns 0 on success, negative error code on failure,
|
|
|
|
// writes message to buf.
|
|
|
|
// * GNU version returns message pointer, which points to either buf or some
|
|
|
|
// static storage.
|
|
|
|
SIZE_T posix_res = (SIZE_T)res;
|
|
|
|
if (posix_res < 1024 || posix_res > (SIZE_T) - 1024) {
|
|
|
|
// POSIX version. Spec is not clear on whether buf is NULL-terminated.
|
|
|
|
// At least on OSX, buf contents are valid even when the call fails.
|
|
|
|
SIZE_T sz = internal_strnlen(buf, buflen);
|
|
|
|
if (sz < buflen) ++sz;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz);
|
|
|
|
} else {
|
|
|
|
// GNU version.
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_STRERROR_R COMMON_INTERCEPT_FUNCTION(strerror_r);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_STRERROR_R
|
|
|
|
#endif
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#if SANITIZER_INTERCEPT_XPG_STRERROR_R
|
|
|
|
INTERCEPTOR(int, __xpg_strerror_r, int errnum, char *buf, SIZE_T buflen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, __xpg_strerror_r, errnum, buf, buflen);
|
|
|
|
int res = REAL(__xpg_strerror_r)(errnum, buf, buflen);
|
|
|
|
// This version always returns a null-terminated string.
|
|
|
|
if (buf && buflen)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, REAL(strlen)(buf) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_XPG_STRERROR_R COMMON_INTERCEPT_FUNCTION(__xpg_strerror_r);
|
|
|
|
#else
|
|
|
|
#define INIT_XPG_STRERROR_R
|
|
|
|
#endif
|
|
|
|
|
2013-11-04 22:33:31 +01:00
|
|
|
#if SANITIZER_INTERCEPT_SCANDIR
|
|
|
|
typedef int (*scandir_filter_f)(const struct __sanitizer_dirent *);
|
|
|
|
typedef int (*scandir_compar_f)(const struct __sanitizer_dirent **,
|
|
|
|
const struct __sanitizer_dirent **);
|
|
|
|
|
|
|
|
static THREADLOCAL void *scandir_ctx;
|
|
|
|
static THREADLOCAL scandir_filter_f scandir_filter;
|
|
|
|
static THREADLOCAL scandir_compar_f scandir_compar;
|
|
|
|
|
|
|
|
static int wrapped_scandir_filter(const struct __sanitizer_dirent *dir) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(scandir_ctx, 1);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir_ctx, dir, dir->d_reclen);
|
|
|
|
return scandir_filter(dir);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int wrapped_scandir_compar(const struct __sanitizer_dirent **a,
|
|
|
|
const struct __sanitizer_dirent **b) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(scandir_ctx, 2);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir_ctx, a, sizeof(*a));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir_ctx, *a, (*a)->d_reclen);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir_ctx, b, sizeof(*b));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir_ctx, *b, (*b)->d_reclen);
|
|
|
|
return scandir_compar(a, b);
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, scandir, char *dirp, __sanitizer_dirent ***namelist,
|
|
|
|
scandir_filter_f filter, scandir_compar_f compar) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, scandir, dirp, namelist, filter, compar);
|
|
|
|
if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, REAL(strlen)(dirp) + 1);
|
|
|
|
CHECK_EQ(0, scandir_ctx);
|
|
|
|
scandir_ctx = ctx;
|
|
|
|
scandir_filter = filter;
|
|
|
|
scandir_compar = compar;
|
|
|
|
int res = REAL(scandir)(dirp, namelist, filter ? wrapped_scandir_filter : 0,
|
|
|
|
compar ? wrapped_scandir_compar : 0);
|
|
|
|
scandir_ctx = 0;
|
|
|
|
scandir_filter = 0;
|
|
|
|
scandir_compar = 0;
|
|
|
|
if (namelist && res > 0) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res);
|
|
|
|
for (int i = 0; i < res; ++i)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i],
|
|
|
|
(*namelist)[i]->d_reclen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SCANDIR COMMON_INTERCEPT_FUNCTION(scandir);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SCANDIR
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SCANDIR64
|
|
|
|
typedef int (*scandir64_filter_f)(const struct __sanitizer_dirent64 *);
|
|
|
|
typedef int (*scandir64_compar_f)(const struct __sanitizer_dirent64 **,
|
|
|
|
const struct __sanitizer_dirent64 **);
|
|
|
|
|
|
|
|
static THREADLOCAL void *scandir64_ctx;
|
|
|
|
static THREADLOCAL scandir64_filter_f scandir64_filter;
|
|
|
|
static THREADLOCAL scandir64_compar_f scandir64_compar;
|
|
|
|
|
|
|
|
static int wrapped_scandir64_filter(const struct __sanitizer_dirent64 *dir) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(scandir64_ctx, 1);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir64_ctx, dir, dir->d_reclen);
|
|
|
|
return scandir64_filter(dir);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int wrapped_scandir64_compar(const struct __sanitizer_dirent64 **a,
|
|
|
|
const struct __sanitizer_dirent64 **b) {
|
|
|
|
COMMON_INTERCEPTOR_UNPOISON_PARAM(scandir64_ctx, 2);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir64_ctx, a, sizeof(*a));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir64_ctx, *a, (*a)->d_reclen);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir64_ctx, b, sizeof(*b));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(scandir64_ctx, *b, (*b)->d_reclen);
|
|
|
|
return scandir64_compar(a, b);
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, scandir64, char *dirp, __sanitizer_dirent64 ***namelist,
|
|
|
|
scandir64_filter_f filter, scandir64_compar_f compar) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, scandir64, dirp, namelist, filter, compar);
|
|
|
|
if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, REAL(strlen)(dirp) + 1);
|
|
|
|
CHECK_EQ(0, scandir64_ctx);
|
|
|
|
scandir64_ctx = ctx;
|
|
|
|
scandir64_filter = filter;
|
|
|
|
scandir64_compar = compar;
|
|
|
|
int res =
|
|
|
|
REAL(scandir64)(dirp, namelist, filter ? wrapped_scandir64_filter : 0,
|
|
|
|
compar ? wrapped_scandir64_compar : 0);
|
|
|
|
scandir64_ctx = 0;
|
|
|
|
scandir64_filter = 0;
|
|
|
|
scandir64_compar = 0;
|
|
|
|
if (namelist && res > 0) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res);
|
|
|
|
for (int i = 0; i < res; ++i)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i],
|
|
|
|
(*namelist)[i]->d_reclen);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SCANDIR64 COMMON_INTERCEPT_FUNCTION(scandir64);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SCANDIR64
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETGROUPS
|
|
|
|
INTERCEPTOR(int, getgroups, int size, u32 *lst) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getgroups, size, lst);
|
|
|
|
int res = REAL(getgroups)(size, lst);
|
2013-12-05 10:18:38 +01:00
|
|
|
if (res && lst) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lst, res * sizeof(*lst));
|
2013-11-04 22:33:31 +01:00
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_GETGROUPS COMMON_INTERCEPT_FUNCTION(getgroups);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_GETGROUPS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_POLL
|
|
|
|
static void read_pollfd(void *ctx, __sanitizer_pollfd *fds,
|
|
|
|
__sanitizer_nfds_t nfds) {
|
|
|
|
for (unsigned i = 0; i < nfds; ++i) {
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].fd, sizeof(fds[i].fd));
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].events, sizeof(fds[i].events));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void write_pollfd(void *ctx, __sanitizer_pollfd *fds,
|
|
|
|
__sanitizer_nfds_t nfds) {
|
|
|
|
for (unsigned i = 0; i < nfds; ++i)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &fds[i].revents,
|
|
|
|
sizeof(fds[i].revents));
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, poll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds,
|
|
|
|
int timeout) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, poll, fds, nfds, timeout);
|
|
|
|
if (fds && nfds) read_pollfd(ctx, fds, nfds);
|
|
|
|
int res = COMMON_INTERCEPTOR_BLOCK_REAL(poll)(fds, nfds, timeout);
|
|
|
|
if (fds && nfds) write_pollfd(ctx, fds, nfds);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_POLL COMMON_INTERCEPT_FUNCTION(poll);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_POLL
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PPOLL
|
|
|
|
INTERCEPTOR(int, ppoll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds,
|
|
|
|
void *timeout_ts, __sanitizer_sigset_t *sigmask) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ppoll, fds, nfds, timeout_ts, sigmask);
|
|
|
|
if (fds && nfds) read_pollfd(ctx, fds, nfds);
|
|
|
|
if (timeout_ts)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout_ts, struct_timespec_sz);
|
|
|
|
// FIXME: read sigmask when all of sigemptyset, etc are intercepted.
|
|
|
|
int res =
|
|
|
|
COMMON_INTERCEPTOR_BLOCK_REAL(ppoll)(fds, nfds, timeout_ts, sigmask);
|
|
|
|
if (fds && nfds) write_pollfd(ctx, fds, nfds);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_PPOLL COMMON_INTERCEPT_FUNCTION(ppoll);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_PPOLL
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_WORDEXP
|
|
|
|
INTERCEPTOR(int, wordexp, char *s, __sanitizer_wordexp_t *p, int flags) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, wordexp, s, p, flags);
|
|
|
|
if (s) COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1);
|
|
|
|
int res = REAL(wordexp)(s, p, flags);
|
|
|
|
if (!res && p) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
|
|
|
|
if (p->we_wordc)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->we_wordv,
|
|
|
|
sizeof(*p->we_wordv) * p->we_wordc);
|
|
|
|
for (uptr i = 0; i < p->we_wordc; ++i) {
|
|
|
|
char *w = p->we_wordv[i];
|
|
|
|
if (w) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, w, REAL(strlen)(w) + 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_WORDEXP COMMON_INTERCEPT_FUNCTION(wordexp);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_WORDEXP
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SIGWAIT
|
|
|
|
INTERCEPTOR(int, sigwait, __sanitizer_sigset_t *set, int *sig) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigwait, set, sig);
|
|
|
|
// FIXME: read sigset_t when all of sigemptyset, etc are intercepted
|
|
|
|
int res = REAL(sigwait)(set, sig);
|
|
|
|
if (!res && sig) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sig, sizeof(*sig));
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SIGWAIT COMMON_INTERCEPT_FUNCTION(sigwait);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SIGWAIT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SIGWAITINFO
|
|
|
|
INTERCEPTOR(int, sigwaitinfo, __sanitizer_sigset_t *set, void *info) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigwaitinfo, set, info);
|
|
|
|
// FIXME: read sigset_t when all of sigemptyset, etc are intercepted
|
|
|
|
int res = REAL(sigwaitinfo)(set, info);
|
|
|
|
if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SIGWAITINFO COMMON_INTERCEPT_FUNCTION(sigwaitinfo);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SIGWAITINFO
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SIGTIMEDWAIT
|
|
|
|
INTERCEPTOR(int, sigtimedwait, __sanitizer_sigset_t *set, void *info,
|
|
|
|
void *timeout) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigtimedwait, set, info, timeout);
|
|
|
|
if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz);
|
|
|
|
// FIXME: read sigset_t when all of sigemptyset, etc are intercepted
|
|
|
|
int res = REAL(sigtimedwait)(set, info, timeout);
|
|
|
|
if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz);
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SIGTIMEDWAIT COMMON_INTERCEPT_FUNCTION(sigtimedwait);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SIGTIMEDWAIT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SIGSETOPS
|
|
|
|
INTERCEPTOR(int, sigemptyset, __sanitizer_sigset_t *set) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigemptyset, set);
|
|
|
|
int res = REAL(sigemptyset)(set);
|
|
|
|
if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, sigfillset, __sanitizer_sigset_t *set) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigfillset, set);
|
|
|
|
int res = REAL(sigfillset)(set);
|
|
|
|
if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SIGSETOPS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(sigemptyset); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(sigfillset);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SIGSETOPS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SIGPENDING
|
|
|
|
INTERCEPTOR(int, sigpending, __sanitizer_sigset_t *set) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigpending, set);
|
|
|
|
int res = REAL(sigpending)(set);
|
|
|
|
if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SIGPENDING COMMON_INTERCEPT_FUNCTION(sigpending);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SIGPENDING
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SIGPROCMASK
|
|
|
|
INTERCEPTOR(int, sigprocmask, int how, __sanitizer_sigset_t *set,
|
|
|
|
__sanitizer_sigset_t *oldset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sigprocmask, how, set, oldset);
|
|
|
|
// FIXME: read sigset_t when all of sigemptyset, etc are intercepted
|
|
|
|
int res = REAL(sigprocmask)(how, set, oldset);
|
|
|
|
if (!res && oldset)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset));
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_SIGPROCMASK COMMON_INTERCEPT_FUNCTION(sigprocmask);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_SIGPROCMASK
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_BACKTRACE
|
|
|
|
INTERCEPTOR(int, backtrace, void **buffer, int size) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, backtrace, buffer, size);
|
|
|
|
int res = REAL(backtrace)(buffer, size);
|
|
|
|
if (res && buffer)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buffer, res * sizeof(*buffer));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(char **, backtrace_symbols, void **buffer, int size) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, backtrace_symbols, buffer, size);
|
|
|
|
if (buffer && size)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, size * sizeof(*buffer));
|
2013-12-05 10:18:38 +01:00
|
|
|
char **res = REAL(backtrace_symbols)(buffer, size);
|
2013-11-04 22:33:31 +01:00
|
|
|
if (res && size) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, size * sizeof(*res));
|
|
|
|
for (int i = 0; i < size; ++i)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res[i], REAL(strlen(res[i])) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2013-12-05 10:18:38 +01:00
|
|
|
#define INIT_BACKTRACE \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(backtrace); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(backtrace_symbols);
|
2013-11-04 22:33:31 +01:00
|
|
|
#else
|
|
|
|
#define INIT_BACKTRACE
|
|
|
|
#endif
|
|
|
|
|
2013-12-05 10:18:38 +01:00
|
|
|
#if SANITIZER_INTERCEPT__EXIT
|
|
|
|
INTERCEPTOR(void, _exit, int status) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, _exit, status);
|
|
|
|
int status1 = COMMON_INTERCEPTOR_ON_EXIT(ctx);
|
|
|
|
if (status == 0) status = status1;
|
|
|
|
REAL(_exit)(status);
|
|
|
|
}
|
|
|
|
#define INIT__EXIT COMMON_INTERCEPT_FUNCTION(_exit);
|
|
|
|
#else
|
|
|
|
#define INIT__EXIT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PHTREAD_MUTEX
|
|
|
|
INTERCEPTOR(int, pthread_mutex_lock, void *m) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_mutex_lock, m);
|
|
|
|
int res = REAL(pthread_mutex_lock)(m);
|
|
|
|
if (res == errno_EOWNERDEAD)
|
|
|
|
COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m);
|
|
|
|
if (res == 0 || res == errno_EOWNERDEAD)
|
|
|
|
COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, pthread_mutex_unlock, void *m) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_mutex_unlock, m);
|
|
|
|
COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m);
|
|
|
|
return REAL(pthread_mutex_unlock)(m);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define INIT_PTHREAD_MUTEX_LOCK COMMON_INTERCEPT_FUNCTION(pthread_mutex_lock)
|
|
|
|
#define INIT_PTHREAD_MUTEX_UNLOCK \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_mutex_unlock)
|
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_MUTEX_LOCK
|
|
|
|
#define INIT_PTHREAD_MUTEX_UNLOCK
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_COND
|
|
|
|
INTERCEPTOR(int, pthread_cond_wait, void *c, void *m) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_cond_wait, c, m);
|
|
|
|
COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, c, pthread_cond_t_sz);
|
|
|
|
int res = REAL(pthread_cond_wait)(c, m);
|
|
|
|
COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, pthread_cond_init, void *c, void *a) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_cond_init, c, a);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, c, pthread_cond_t_sz);
|
|
|
|
return REAL(pthread_cond_init)(c, a);
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, pthread_cond_signal, void *c) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_cond_signal, c);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, c, pthread_cond_t_sz);
|
|
|
|
return REAL(pthread_cond_signal)(c);
|
|
|
|
}
|
|
|
|
|
|
|
|
INTERCEPTOR(int, pthread_cond_broadcast, void *c) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_cond_broadcast, c);
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, c, pthread_cond_t_sz);
|
|
|
|
return REAL(pthread_cond_broadcast)(c);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define INIT_PTHREAD_COND_WAIT \
|
|
|
|
INTERCEPT_FUNCTION_VER(pthread_cond_wait, "GLIBC_2.3.2")
|
|
|
|
#define INIT_PTHREAD_COND_INIT \
|
|
|
|
INTERCEPT_FUNCTION_VER(pthread_cond_init, "GLIBC_2.3.2")
|
|
|
|
#define INIT_PTHREAD_COND_SIGNAL \
|
|
|
|
INTERCEPT_FUNCTION_VER(pthread_cond_signal, "GLIBC_2.3.2")
|
|
|
|
#define INIT_PTHREAD_COND_BROADCAST \
|
|
|
|
INTERCEPT_FUNCTION_VER(pthread_cond_broadcast, "GLIBC_2.3.2")
|
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_COND_WAIT
|
|
|
|
#define INIT_PTHREAD_COND_INIT
|
|
|
|
#define INIT_PTHREAD_COND_SIGNAL
|
|
|
|
#define INIT_PTHREAD_COND_BROADCAST
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETMNTENT || SANITIZER_INTERCEPT_GETMNTENT_R
|
|
|
|
static void write_mntent(void *ctx, __sanitizer_mntent *mnt) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt, sizeof(*mnt));
|
|
|
|
if (mnt->mnt_fsname)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_fsname,
|
|
|
|
REAL(strlen)(mnt->mnt_fsname) + 1);
|
|
|
|
if (mnt->mnt_dir)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_dir,
|
|
|
|
REAL(strlen)(mnt->mnt_dir) + 1);
|
|
|
|
if (mnt->mnt_type)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_type,
|
|
|
|
REAL(strlen)(mnt->mnt_type) + 1);
|
|
|
|
if (mnt->mnt_opts)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_opts,
|
|
|
|
REAL(strlen)(mnt->mnt_opts) + 1);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETMNTENT
|
|
|
|
INTERCEPTOR(__sanitizer_mntent *, getmntent, void *fp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getmntent, fp);
|
|
|
|
__sanitizer_mntent *res = REAL(getmntent)(fp);
|
|
|
|
if (res) write_mntent(ctx, res);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_GETMNTENT COMMON_INTERCEPT_FUNCTION(getmntent);
|
|
|
|
#else
|
|
|
|
#define INIT_GETMNTENT
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETMNTENT_R
|
|
|
|
INTERCEPTOR(__sanitizer_mntent *, getmntent_r, void *fp,
|
|
|
|
__sanitizer_mntent *mntbuf, char *buf, int buflen) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getmntent_r, fp, mntbuf, buf, buflen);
|
|
|
|
__sanitizer_mntent *res = REAL(getmntent_r)(fp, mntbuf, buf, buflen);
|
|
|
|
if (res) write_mntent(ctx, res);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_GETMNTENT_R COMMON_INTERCEPT_FUNCTION(getmntent_r);
|
|
|
|
#else
|
|
|
|
#define INIT_GETMNTENT_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STATFS
|
|
|
|
INTERCEPTOR(int, statfs, char *path, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, statfs, path, buf);
|
|
|
|
if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
|
|
|
|
int res = REAL(statfs)(path, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, fstatfs, int fd, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, fstatfs, fd, buf);
|
|
|
|
int res = REAL(fstatfs)(fd, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_STATFS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(statfs); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(fstatfs);
|
|
|
|
#else
|
|
|
|
#define INIT_STATFS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STATFS64
|
|
|
|
INTERCEPTOR(int, statfs64, char *path, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, statfs64, path, buf);
|
|
|
|
if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
|
|
|
|
int res = REAL(statfs64)(path, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, fstatfs64, int fd, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, fstatfs64, fd, buf);
|
|
|
|
int res = REAL(fstatfs64)(fd, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_STATFS64 \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(statfs64); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(fstatfs64);
|
|
|
|
#else
|
|
|
|
#define INIT_STATFS64
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STATVFS
|
|
|
|
INTERCEPTOR(int, statvfs, char *path, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, statvfs, path, buf);
|
|
|
|
if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
|
|
|
|
int res = REAL(statvfs)(path, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, fstatvfs, int fd, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs, fd, buf);
|
|
|
|
int res = REAL(fstatvfs)(fd, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_STATVFS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(statvfs); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(fstatvfs);
|
|
|
|
#else
|
|
|
|
#define INIT_STATVFS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_STATVFS64
|
|
|
|
INTERCEPTOR(int, statvfs64, char *path, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, statvfs64, path, buf);
|
|
|
|
if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
|
|
|
|
int res = REAL(statvfs64)(path, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, fstatvfs64, int fd, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs64, fd, buf);
|
|
|
|
int res = REAL(fstatvfs64)(fd, buf);
|
|
|
|
if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_STATVFS64 \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(statvfs64); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(fstatvfs64);
|
|
|
|
#else
|
|
|
|
#define INIT_STATVFS64
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_INITGROUPS
|
|
|
|
INTERCEPTOR(int, initgroups, char *user, u32 group) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, initgroups, user, group);
|
|
|
|
if (user) COMMON_INTERCEPTOR_READ_RANGE(ctx, user, REAL(strlen)(user) + 1);
|
|
|
|
int res = REAL(initgroups)(user, group);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_INITGROUPS COMMON_INTERCEPT_FUNCTION(initgroups);
|
|
|
|
#else
|
|
|
|
#define INIT_INITGROUPS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_ETHER
|
|
|
|
INTERCEPTOR(char *, ether_ntoa, __sanitizer_ether_addr *addr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa, addr);
|
|
|
|
if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
|
|
|
|
char *res = REAL(ether_ntoa)(addr);
|
|
|
|
if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(__sanitizer_ether_addr *, ether_aton, char *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_aton, buf);
|
|
|
|
if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, REAL(strlen)(buf) + 1);
|
|
|
|
__sanitizer_ether_addr *res = REAL(ether_aton)(buf);
|
|
|
|
if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, res, sizeof(*res));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, ether_ntohost, char *hostname, __sanitizer_ether_addr *addr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_ntohost, hostname, addr);
|
|
|
|
if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
|
|
|
|
int res = REAL(ether_ntohost)(hostname, addr);
|
|
|
|
if (!res && hostname)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, ether_hostton, char *hostname, __sanitizer_ether_addr *addr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_hostton, hostname, addr);
|
|
|
|
if (hostname)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1);
|
|
|
|
int res = REAL(ether_hostton)(hostname, addr);
|
|
|
|
if (!res && addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, ether_line, char *line, __sanitizer_ether_addr *addr,
|
|
|
|
char *hostname) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_line, line, addr, hostname);
|
|
|
|
if (line) COMMON_INTERCEPTOR_READ_RANGE(ctx, line, REAL(strlen)(line) + 1);
|
|
|
|
int res = REAL(ether_line)(line, addr, hostname);
|
|
|
|
if (!res) {
|
|
|
|
if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
|
|
|
|
if (hostname)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_ETHER \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_ntoa); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_aton); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_ntohost); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_hostton); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_line);
|
|
|
|
#else
|
|
|
|
#define INIT_ETHER
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_ETHER_R
|
|
|
|
INTERCEPTOR(char *, ether_ntoa_r, __sanitizer_ether_addr *addr, char *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa_r, addr, buf);
|
|
|
|
if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
|
|
|
|
char *res = REAL(ether_ntoa_r)(addr, buf);
|
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf,
|
|
|
|
__sanitizer_ether_addr *addr) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, ether_aton_r, buf, addr);
|
|
|
|
if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, REAL(strlen)(buf) + 1);
|
|
|
|
__sanitizer_ether_addr *res = REAL(ether_aton_r)(buf, addr);
|
|
|
|
if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(*res));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_ETHER_R \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_ntoa_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(ether_aton_r);
|
|
|
|
#else
|
|
|
|
#define INIT_ETHER_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SHMCTL
|
|
|
|
INTERCEPTOR(int, shmctl, int shmid, int cmd, void *buf) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, shmctl, shmid, cmd, buf);
|
|
|
|
int res = REAL(shmctl)(shmid, cmd, buf);
|
|
|
|
if (res >= 0) {
|
|
|
|
unsigned sz = 0;
|
|
|
|
if (cmd == shmctl_ipc_stat || cmd == shmctl_shm_stat)
|
|
|
|
sz = sizeof(__sanitizer_shmid_ds);
|
|
|
|
else if (cmd == shmctl_ipc_info)
|
|
|
|
sz = struct_shminfo_sz;
|
|
|
|
else if (cmd == shmctl_shm_info)
|
|
|
|
sz = struct_shm_info_sz;
|
|
|
|
if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_SHMCTL COMMON_INTERCEPT_FUNCTION(shmctl);
|
|
|
|
#else
|
|
|
|
#define INIT_SHMCTL
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_RANDOM_R
|
|
|
|
INTERCEPTOR(int, random_r, void *buf, u32 *result) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, random_r, buf, result);
|
|
|
|
int res = REAL(random_r)(buf, result);
|
|
|
|
if (!res && result)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_RANDOM_R COMMON_INTERCEPT_FUNCTION(random_r);
|
|
|
|
#else
|
|
|
|
#define INIT_RANDOM_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \
|
|
|
|
SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED
|
|
|
|
#define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \
|
|
|
|
INTERCEPTOR(int, pthread_attr_get##what, void *attr, void *r) { \
|
|
|
|
void *ctx; \
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_get##what, attr, r); \
|
|
|
|
int res = REAL(pthread_attr_get##what)(attr, r); \
|
|
|
|
if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \
|
|
|
|
return res; \
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(detachstate, sizeof(int))
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(guardsize, sizeof(SIZE_T))
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(schedparam, struct_sched_param_sz)
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(schedpolicy, sizeof(int))
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(scope, sizeof(int))
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(stacksize, sizeof(SIZE_T))
|
|
|
|
INTERCEPTOR(int, pthread_attr_getstack, void *attr, void **addr, SIZE_T *size) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getstack, attr, addr, size);
|
|
|
|
int res = REAL(pthread_attr_getstack)(attr, addr, size);
|
|
|
|
if (!res) {
|
|
|
|
if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
|
|
|
|
if (size) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, size, sizeof(*size));
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
// We may need to call the real pthread_attr_getstack from the run-time
|
|
|
|
// in sanitizer_common, but we don't want to include the interception headers
|
|
|
|
// there. So, just define this function here.
|
|
|
|
int __sanitizer_pthread_attr_getstack(void *attr, void **addr, SIZE_T *size) {
|
|
|
|
return REAL(pthread_attr_getstack)(attr, addr, size);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define INIT_PTHREAD_ATTR_GET \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getdetachstate); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getguardsize); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedparam); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedpolicy); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getscope); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getstacksize); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getstack);
|
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_ATTR_GET
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED
|
|
|
|
INTERCEPTOR_PTHREAD_ATTR_GET(inheritsched, sizeof(int))
|
|
|
|
|
|
|
|
#define INIT_PTHREAD_ATTR_GETINHERITSCHED \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getinheritsched);
|
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_ATTR_GETINHERITSCHED
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP
|
|
|
|
INTERCEPTOR(int, pthread_attr_getaffinity_np, void *attr, SIZE_T cpusetsize,
|
|
|
|
void *cpuset) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getaffinity_np, attr, cpusetsize,
|
|
|
|
cpuset);
|
|
|
|
int res = REAL(pthread_attr_getaffinity_np)(attr, cpusetsize, cpuset);
|
|
|
|
if (!res && cpusetsize && cpuset)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define INIT_PTHREAD_ATTR_GETAFFINITY_NP \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(pthread_attr_getaffinity_np);
|
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_ATTR_GETAFFINITY_NP
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_TMPNAM
|
|
|
|
INTERCEPTOR(char *, tmpnam, char *s) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, tmpnam, s);
|
|
|
|
char *res = REAL(tmpnam)(s);
|
|
|
|
if (res) {
|
|
|
|
if (s)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1);
|
|
|
|
else
|
|
|
|
COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_TMPNAM COMMON_INTERCEPT_FUNCTION(tmpnam);
|
|
|
|
#else
|
|
|
|
#define INIT_TMPNAM
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_TMPNAM_R
|
|
|
|
INTERCEPTOR(char *, tmpnam_r, char *s) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, tmpnam_r, s);
|
|
|
|
char *res = REAL(tmpnam_r)(s);
|
|
|
|
if (res && s) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_TMPNAM_R COMMON_INTERCEPT_FUNCTION(tmpnam_r);
|
|
|
|
#else
|
|
|
|
#define INIT_TMPNAM_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_TEMPNAM
|
|
|
|
INTERCEPTOR(char *, tempnam, char *dir, char *pfx) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, tempnam, dir, pfx);
|
|
|
|
if (dir) COMMON_INTERCEPTOR_READ_RANGE(ctx, dir, REAL(strlen)(dir) + 1);
|
|
|
|
if (pfx) COMMON_INTERCEPTOR_READ_RANGE(ctx, pfx, REAL(strlen)(pfx) + 1);
|
|
|
|
char *res = REAL(tempnam)(dir, pfx);
|
|
|
|
if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(ctx, res, REAL(strlen)(res) + 1);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_TEMPNAM COMMON_INTERCEPT_FUNCTION(tempnam);
|
|
|
|
#else
|
|
|
|
#define INIT_TEMPNAM
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP
|
|
|
|
INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name);
|
|
|
|
COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name);
|
|
|
|
return REAL(pthread_setname_np)(thread, name);
|
|
|
|
}
|
|
|
|
#define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np);
|
|
|
|
#else
|
|
|
|
#define INIT_PTHREAD_SETNAME_NP
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_SINCOS
|
|
|
|
INTERCEPTOR(void, sincos, double x, double *sin, double *cos) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sincos, x, sin, cos);
|
|
|
|
REAL(sincos)(x, sin, cos);
|
|
|
|
if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
|
|
|
|
if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
|
|
|
|
}
|
|
|
|
INTERCEPTOR(void, sincosf, float x, float *sin, float *cos) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sincosf, x, sin, cos);
|
|
|
|
REAL(sincosf)(x, sin, cos);
|
|
|
|
if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
|
|
|
|
if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
|
|
|
|
}
|
|
|
|
INTERCEPTOR(void, sincosl, long double x, long double *sin, long double *cos) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, sincosl, x, sin, cos);
|
|
|
|
REAL(sincosl)(x, sin, cos);
|
|
|
|
if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
|
|
|
|
if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
|
|
|
|
}
|
|
|
|
#define INIT_SINCOS \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(sincos); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(sincosf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(sincosl);
|
|
|
|
#else
|
|
|
|
#define INIT_SINCOS
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_REMQUO
|
|
|
|
INTERCEPTOR(double, remquo, double x, double y, int *quo) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, remquo, x, y, quo);
|
|
|
|
double res = REAL(remquo)(x, y, quo);
|
|
|
|
if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(float, remquof, float x, float y, int *quo) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, remquof, x, y, quo);
|
|
|
|
float res = REAL(remquof)(x, y, quo);
|
|
|
|
if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(long double, remquol, long double x, long double y, int *quo) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, remquol, x, y, quo);
|
|
|
|
long double res = REAL(remquol)(x, y, quo);
|
|
|
|
if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_REMQUO \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(remquo); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(remquof); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(remquol);
|
|
|
|
#else
|
|
|
|
#define INIT_REMQUO
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_LGAMMA
|
|
|
|
extern int signgam;
|
|
|
|
INTERCEPTOR(double, lgamma, double x) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lgamma, x);
|
|
|
|
double res = REAL(lgamma)(x);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(float, lgammaf, float x) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lgammaf, x);
|
|
|
|
float res = REAL(lgammaf)(x);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(long double, lgammal, long double x) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lgammal, x);
|
|
|
|
long double res = REAL(lgammal)(x);
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_LGAMMA \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lgamma); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lgammaf); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lgammal);
|
|
|
|
#else
|
|
|
|
#define INIT_LGAMMA
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_LGAMMA_R
|
|
|
|
INTERCEPTOR(double, lgamma_r, double x, int *signp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lgamma_r, x, signp);
|
|
|
|
double res = REAL(lgamma_r)(x, signp);
|
|
|
|
if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(float, lgammaf_r, float x, int *signp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lgammaf_r, x, signp);
|
|
|
|
float res = REAL(lgammaf_r)(x, signp);
|
|
|
|
if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(long double, lgammal_r, long double x, int *signp) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lgammal_r, x, signp);
|
|
|
|
long double res = REAL(lgammal_r)(x, signp);
|
|
|
|
if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_LGAMMA_R \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lgamma_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lgammaf_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lgammal_r);
|
|
|
|
#else
|
|
|
|
#define INIT_LGAMMA_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_DRAND48_R
|
|
|
|
INTERCEPTOR(int, drand48_r, void *buffer, double *result) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, drand48_r, buffer, result);
|
|
|
|
int res = REAL(drand48_r)(buffer, result);
|
|
|
|
if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(int, lrand48_r, void *buffer, long *result) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, lrand48_r, buffer, result);
|
|
|
|
int res = REAL(lrand48_r)(buffer, result);
|
|
|
|
if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_DRAND48_R \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(drand48_r); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(lrand48_r);
|
|
|
|
#else
|
|
|
|
#define INIT_DRAND48_R
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_GETLINE
|
|
|
|
INTERCEPTOR(SSIZE_T, getline, char **lineptr, SIZE_T *n, void *stream) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getline, lineptr, n, stream);
|
|
|
|
SSIZE_T res = REAL(getline)(lineptr, n, stream);
|
|
|
|
if (res > 0) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
INTERCEPTOR(SSIZE_T, getdelim, char **lineptr, SIZE_T *n, int delim,
|
|
|
|
void *stream) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, getdelim, lineptr, n, delim, stream);
|
|
|
|
SSIZE_T res = REAL(getdelim)(lineptr, n, delim, stream);
|
|
|
|
if (res > 0) {
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_GETLINE \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getline); \
|
|
|
|
COMMON_INTERCEPT_FUNCTION(getdelim);
|
|
|
|
#else
|
|
|
|
#define INIT_GETLINE
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_ICONV
|
|
|
|
INTERCEPTOR(SIZE_T, iconv, void *cd, char **inbuf, SIZE_T *inbytesleft,
|
|
|
|
char **outbuf, SIZE_T *outbytesleft) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, iconv, cd, inbuf, inbytesleft, outbuf,
|
|
|
|
outbytesleft);
|
|
|
|
if (inbytesleft)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, inbytesleft, sizeof(*inbytesleft));
|
|
|
|
if (inbuf && inbytesleft)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, *inbuf, *inbytesleft);
|
|
|
|
if (outbytesleft)
|
|
|
|
COMMON_INTERCEPTOR_READ_RANGE(ctx, outbytesleft, sizeof(*outbytesleft));
|
|
|
|
void *outbuf_orig = outbuf ? *outbuf : 0;
|
|
|
|
SIZE_T res = REAL(iconv)(cd, inbuf, inbytesleft, outbuf, outbytesleft);
|
|
|
|
if (res != (SIZE_T) - 1 && outbuf && *outbuf > outbuf_orig) {
|
|
|
|
SIZE_T sz = (char *)*outbuf - (char *)outbuf_orig;
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, outbuf_orig, sz);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_ICONV COMMON_INTERCEPT_FUNCTION(iconv);
|
|
|
|
#else
|
|
|
|
#define INIT_ICONV
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if SANITIZER_INTERCEPT_TIMES
|
|
|
|
INTERCEPTOR(__sanitizer_clock_t, times, void *tms) {
|
|
|
|
void *ctx;
|
|
|
|
COMMON_INTERCEPTOR_ENTER(ctx, times, tms);
|
|
|
|
__sanitizer_clock_t res = REAL(times)(tms);
|
|
|
|
if (res != (__sanitizer_clock_t)-1 && tms)
|
|
|
|
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tms, struct_tms_sz);
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
#define INIT_TIMES COMMON_INTERCEPT_FUNCTION(times);
|
|
|
|
#else
|
|
|
|
#define INIT_TIMES
|
|
|
|
#endif
|
|
|
|
|
2013-11-04 22:33:31 +01:00
|
|
|
#define SANITIZER_COMMON_INTERCEPTORS_INIT \
|
|
|
|
INIT_STRCMP; \
|
|
|
|
INIT_STRNCMP; \
|
|
|
|
INIT_STRCASECMP; \
|
|
|
|
INIT_STRNCASECMP; \
|
|
|
|
INIT_READ; \
|
|
|
|
INIT_PREAD; \
|
|
|
|
INIT_PREAD64; \
|
|
|
|
INIT_READV; \
|
|
|
|
INIT_PREADV; \
|
|
|
|
INIT_PREADV64; \
|
|
|
|
INIT_WRITE; \
|
|
|
|
INIT_PWRITE; \
|
|
|
|
INIT_PWRITE64; \
|
|
|
|
INIT_WRITEV; \
|
|
|
|
INIT_PWRITEV; \
|
|
|
|
INIT_PWRITEV64; \
|
|
|
|
INIT_PRCTL; \
|
|
|
|
INIT_LOCALTIME_AND_FRIENDS; \
|
2013-12-05 10:18:38 +01:00
|
|
|
INIT_STRPTIME; \
|
2013-11-04 22:33:31 +01:00
|
|
|
INIT_SCANF; \
|
|
|
|
INIT_ISOC99_SCANF; \
|
|
|
|
INIT_FREXP; \
|
|
|
|
INIT_FREXPF_FREXPL; \
|
|
|
|
INIT_GETPWNAM_AND_FRIENDS; \
|
|
|
|
INIT_GETPWNAM_R_AND_FRIENDS; \
|
|
|
|
INIT_CLOCK_GETTIME; \
|
|
|
|
INIT_GETITIMER; \
|
|
|
|
INIT_TIME; \
|
|
|
|
INIT_GLOB; \
|
|
|
|
INIT_WAIT; \
|
|
|
|
INIT_INET; \
|
|
|
|
INIT_PTHREAD_GETSCHEDPARAM; \
|
|
|
|
INIT_GETADDRINFO; \
|
|
|
|
INIT_GETNAMEINFO; \
|
|
|
|
INIT_GETSOCKNAME; \
|
|
|
|
INIT_GETHOSTBYNAME; \
|
|
|
|
INIT_GETHOSTBYNAME_R; \
|
|
|
|
INIT_GETSOCKOPT; \
|
|
|
|
INIT_ACCEPT; \
|
|
|
|
INIT_ACCEPT4; \
|
|
|
|
INIT_MODF; \
|
|
|
|
INIT_RECVMSG; \
|
|
|
|
INIT_GETPEERNAME; \
|
|
|
|
INIT_IOCTL; \
|
|
|
|
INIT_INET_ATON; \
|
|
|
|
INIT_SYSINFO; \
|
|
|
|
INIT_READDIR; \
|
|
|
|
INIT_READDIR64; \
|
|
|
|
INIT_PTRACE; \
|
|
|
|
INIT_SETLOCALE; \
|
|
|
|
INIT_GETCWD; \
|
|
|
|
INIT_GET_CURRENT_DIR_NAME; \
|
|
|
|
INIT_STRTOIMAX; \
|
|
|
|
INIT_MBSTOWCS; \
|
|
|
|
INIT_MBSNRTOWCS; \
|
|
|
|
INIT_WCSTOMBS; \
|
|
|
|
INIT_WCSNRTOMBS; \
|
|
|
|
INIT_TCGETATTR; \
|
|
|
|
INIT_REALPATH; \
|
|
|
|
INIT_CANONICALIZE_FILE_NAME; \
|
|
|
|
INIT_CONFSTR; \
|
|
|
|
INIT_SCHED_GETAFFINITY; \
|
|
|
|
INIT_STRERROR; \
|
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INIT_STRERROR_R; \
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2013-12-05 10:18:38 +01:00
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INIT_XPG_STRERROR_R; \
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2013-11-04 22:33:31 +01:00
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INIT_SCANDIR; \
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INIT_SCANDIR64; \
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INIT_GETGROUPS; \
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INIT_POLL; \
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INIT_PPOLL; \
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INIT_WORDEXP; \
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INIT_SIGWAIT; \
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INIT_SIGWAITINFO; \
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INIT_SIGTIMEDWAIT; \
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INIT_SIGSETOPS; \
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INIT_SIGPENDING; \
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INIT_SIGPROCMASK; \
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2013-12-05 10:18:38 +01:00
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INIT_BACKTRACE; \
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INIT__EXIT; \
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INIT_PTHREAD_MUTEX_LOCK; \
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INIT_PTHREAD_MUTEX_UNLOCK; \
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INIT_PTHREAD_COND_WAIT; \
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INIT_PTHREAD_COND_INIT; \
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INIT_PTHREAD_COND_SIGNAL; \
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INIT_PTHREAD_COND_BROADCAST; \
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INIT_GETMNTENT; \
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INIT_GETMNTENT_R; \
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INIT_STATFS; \
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INIT_STATFS64; \
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INIT_STATVFS; \
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INIT_STATVFS64; \
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INIT_INITGROUPS; \
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INIT_ETHER; \
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INIT_ETHER_R; \
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INIT_SHMCTL; \
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INIT_RANDOM_R; \
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INIT_PTHREAD_ATTR_GET; \
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INIT_PTHREAD_ATTR_GETINHERITSCHED; \
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INIT_PTHREAD_ATTR_GETAFFINITY_NP; \
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INIT_TMPNAM; \
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INIT_TMPNAM_R; \
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INIT_TEMPNAM; \
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INIT_PTHREAD_SETNAME_NP; \
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INIT_SINCOS; \
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INIT_REMQUO; \
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INIT_LGAMMA; \
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INIT_LGAMMA_R; \
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INIT_DRAND48_R; \
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INIT_GETLINE; \
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INIT_ICONV; \
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INIT_TIMES; \
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/**/
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