Gamercat/GoodbyeDPI
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Added different return codes

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This commit is contained in:
EgorWeders 2024-08-07 12:45:01 +00:00
parent aab7842a76
commit ed45c42c9e
1 changed files with 23 additions and 14 deletions
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37
src/goodbyedpi.c
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@ -134,7 +134,16 @@ WINSOCK_API_LINKAGE INT WSAAPI inet_pton(INT Family, LPCSTR pStringBuf, PVOID pA
ttl_of_fake_packet, do_wrong_chksum, do_wrong_seq); \ ttl_of_fake_packet, do_wrong_chksum, do_wrong_seq); \
} while (0) } while (0)
static const int ERROR_DEFAULT=EXIT_FAILURE
static const int ERROR_PORT_BOUNDS=EXIT_FAILURE+1
static const int ERROR_DNS_V4_ADDR=EXIT_FAILURE+2
static const int ERROR_DNS_V6_ADDR=EXIT_FAILURE+3
static const int ERROR_DNS_V4_PORT=EXIT_FAILURE+4
static const int ERROR_DNS_V6_PORT=EXIT_FAILURE+5
static const int ERROR_BLACKLIST_LOAD=EXIT_FAILURE+6
static const int ERROR_AUTOTTL=EXIT_FAILURE+7
static const int ERROR_ATOUSI=EXIT_FAILURE+8
static const int ERROR_AUTOB=EXIT_FAILURE+9
static int running_from_service = 0; static int running_from_service = 0;
static int exiting = 0; static int exiting = 0;
static HANDLE filters[MAX_FILTERS]; static HANDLE filters[MAX_FILTERS];
@ -270,7 +279,7 @@ unsigned short int atousi(const char *str, const char *msg) {
if(res > limitValue) { if(res > limitValue) {
puts(msg); puts(msg);
exit(EXIT_FAILURE); exit(ERROR_ATOUSI);
} }
return (unsigned short int)res; return (unsigned short int)res;
} }
@ -283,7 +292,7 @@ BYTE atoub(const char *str, const char *msg) {
if(res > limitValue) { if(res > limitValue) {
puts(msg); puts(msg);
exit(EXIT_FAILURE); exit(ERROR_AUTOB);
} }
return (BYTE)res; return (BYTE)res;
} }
@ -768,7 +777,7 @@ int main(int argc, char *argv[]) {
i = atoi(optarg); i = atoi(optarg);
if (i <= 0 || i > 65535) { if (i <= 0 || i > 65535) {
printf("Port parameter error!\n"); printf("Port parameter error!\n");
exit(EXIT_FAILURE); exit(ERROR_PORT_BOUNDS);
} }
if (i != 80 && i != 443) if (i != 80 && i != 443)
add_filter_str(IPPROTO_TCP, i); add_filter_str(IPPROTO_TCP, i);
@ -787,14 +796,14 @@ int main(int argc, char *argv[]) {
do_dnsv4_redirect = 1; do_dnsv4_redirect = 1;
if (inet_pton(AF_INET, optarg, &dnsv4_addr) != 1) { if (inet_pton(AF_INET, optarg, &dnsv4_addr) != 1) {
puts("DNS address parameter error!"); puts("DNS address parameter error!");
exit(EXIT_FAILURE); exit(ERROR_DNS_V4_ADDR);
} }
add_filter_str(IPPROTO_UDP, 53); add_filter_str(IPPROTO_UDP, 53);
flush_dns_cache(); flush_dns_cache();
break; break;
} }
puts("DNS address parameter error!"); puts("DNS address parameter error!");
exit(EXIT_FAILURE); exit(ERROR_DNS_V4_ADDR);
break; break;
case '!': // --dnsv6-addr case '!': // --dnsv6-addr
if ((inet_pton(AF_INET6, optarg, dns_temp_addr.s6_addr) == 1) && if ((inet_pton(AF_INET6, optarg, dns_temp_addr.s6_addr) == 1) &&
@ -803,21 +812,21 @@ int main(int argc, char *argv[]) {
do_dnsv6_redirect = 1; do_dnsv6_redirect = 1;
if (inet_pton(AF_INET6, optarg, dnsv6_addr.s6_addr) != 1) { if (inet_pton(AF_INET6, optarg, dnsv6_addr.s6_addr) != 1) {
puts("DNS address parameter error!"); puts("DNS address parameter error!");
exit(EXIT_FAILURE); exit(ERROR_DNS_V6_ADDR);
} }
add_filter_str(IPPROTO_UDP, 53); add_filter_str(IPPROTO_UDP, 53);
flush_dns_cache(); flush_dns_cache();
break; break;
} }
puts("DNS address parameter error!"); puts("DNS address parameter error!");
exit(EXIT_FAILURE); exit(ERROR_DNS_V6_ADDR);
break; break;
case 'g': // --dns-port case 'g': // --dns-port
if (!do_dnsv4_redirect) { if (!do_dnsv4_redirect) {
puts("--dns-port should be used with --dns-addr!\n" puts("--dns-port should be used with --dns-addr!\n"
"Make sure you use --dns-addr and pass it before " "Make sure you use --dns-addr and pass it before "
"--dns-port"); "--dns-port");
exit(EXIT_FAILURE); exit(ERROR_DNS_V4_PORT);
} }
dnsv4_port = atousi(optarg, "DNS port parameter error!"); dnsv4_port = atousi(optarg, "DNS port parameter error!");
if (dnsv4_port != 53) { if (dnsv4_port != 53) {
@ -830,7 +839,7 @@ int main(int argc, char *argv[]) {
puts("--dnsv6-port should be used with --dnsv6-addr!\n" puts("--dnsv6-port should be used with --dnsv6-addr!\n"
"Make sure you use --dnsv6-addr and pass it before " "Make sure you use --dnsv6-addr and pass it before "
"--dnsv6-port"); "--dnsv6-port");
exit(EXIT_FAILURE); exit(ERROR_DNS_V6_PORT);
} }
dnsv6_port = atousi(optarg, "DNS port parameter error!"); dnsv6_port = atousi(optarg, "DNS port parameter error!");
if (dnsv6_port != 53) { if (dnsv6_port != 53) {
@ -846,7 +855,7 @@ int main(int argc, char *argv[]) {
do_blacklist = 1; do_blacklist = 1;
if (!blackwhitelist_load_list(optarg)) { if (!blackwhitelist_load_list(optarg)) {
printf("Can't load blacklist from file!\n"); printf("Can't load blacklist from file!\n");
exit(EXIT_FAILURE); exit(ERROR_BLACKLIST_LOAD);
} }
break; break;
case ']': // --allow-no-sni case ']': // --allow-no-sni
@ -880,13 +889,13 @@ int main(int argc, char *argv[]) {
autottl_current = strtok(NULL, "-"); autottl_current = strtok(NULL, "-");
if (!autottl_current) { if (!autottl_current) {
puts("Set Auto TTL parameter error!"); puts("Set Auto TTL parameter error!");
exit(EXIT_FAILURE); exit(ERROR_AUTOTTL);
} }
auto_ttl_2 = atoub(autottl_current, "Set Auto TTL parameter error!"); auto_ttl_2 = atoub(autottl_current, "Set Auto TTL parameter error!");
autottl_current = strtok(NULL, "-"); autottl_current = strtok(NULL, "-");
if (!autottl_current) { if (!autottl_current) {
puts("Set Auto TTL parameter error!"); puts("Set Auto TTL parameter error!");
exit(EXIT_FAILURE); exit(ERROR_AUTOTTL);
} }
auto_ttl_max = atoub(autottl_current, "Set Auto TTL parameter error!"); auto_ttl_max = atoub(autottl_current, "Set Auto TTL parameter error!");
} }
@ -990,7 +999,7 @@ int main(int argc, char *argv[]) {
" -9 -f 2 -e 2 --wrong-seq --wrong-chksum --reverse-frag --max-payload -q (this is the default)\n\n" " -9 -f 2 -e 2 --wrong-seq --wrong-chksum --reverse-frag --max-payload -q (this is the default)\n\n"
"Note: combination of --wrong-seq and --wrong-chksum generates two different fake packets.\n" "Note: combination of --wrong-seq and --wrong-chksum generates two different fake packets.\n"
); );
exit(EXIT_FAILURE); exit(ERROR_DEFAULT);
} }
} }