re PR go/48503 (http/cgi FAILs if libgcc_s.so.1 isn't in default ld.so.1 search path)

PR go/48503
libgo: Bring over http/cgi environment inheritance patches.

From-SVN: r172864
This commit is contained in:
Ian Lance Taylor 2011-04-22 18:23:47 +00:00
parent eb601ae15a
commit 90eadacd1e
1 changed files with 31 additions and 3 deletions

View File

@ -25,20 +25,30 @@ import (
"os"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
)
var trailingPort = regexp.MustCompile(`:([0-9]+)$`)
var osDefaultInheritEnv = map[string][]string{
"darwin": []string{"DYLD_LIBRARY_PATH"},
"freebsd": []string{"LD_LIBRARY_PATH"},
"hpux": []string{"LD_LIBRARY_PATH", "SHLIB_PATH"},
"linux": []string{"LD_LIBRARY_PATH"},
"windows": []string{"SystemRoot", "COMSPEC", "PATHEXT", "WINDIR"},
}
// Handler runs an executable in a subprocess with a CGI environment.
type Handler struct {
Path string // path to the CGI executable
Root string // root URI prefix of handler or empty for "/"
Env []string // extra environment variables to set, if any
Logger *log.Logger // optional log for errors or nil to use log.Print
Args []string // optional arguments to pass to child process
Env []string // extra environment variables to set, if any, as "key=value"
InheritEnv []string // environment variables to inherit from host, as "key"
Logger *log.Logger // optional log for errors or nil to use log.Print
Args []string // optional arguments to pass to child process
}
func (h *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
@ -110,6 +120,24 @@ func (h *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
env = append(env, h.Env...)
}
path := os.Getenv("PATH")
if path == "" {
path = "/bin:/usr/bin:/usr/ucb:/usr/bsd:/usr/local/bin"
}
env = append(env, "PATH="+path)
for _, e := range h.InheritEnv {
if v := os.Getenv(e); v != "" {
env = append(env, e+"="+v)
}
}
for _, e := range osDefaultInheritEnv[runtime.GOOS] {
if v := os.Getenv(e); v != "" {
env = append(env, e+"="+v)
}
}
cwd, pathBase := filepath.Split(h.Path)
if cwd == "" {
cwd = "."