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proxychains-ng
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only start allocator thread if proxy_dns is requested 

this should fix problems with programs that do whacky
non-async-signal-safe stuff.
pull/348/head
rofl0r 2020-09-20 17:03:54 +01:00
parent ed8f8444ab
commit 3dfda493d8
1 changed files with 9 additions and 3 deletions
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12
src/libproxychains.c
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@ -116,19 +116,22 @@ static void setup_hooks(void) {
SETUP_SYM(freeaddrinfo);
SETUP_SYM(gethostbyaddr);
SETUP_SYM(getnameinfo);
SETUP_SYM(close);
#ifdef IS_SOLARIS
SETUP_SYM(__xnet_connect);
#endif
SETUP_SYM(close);
}
static int close_fds[16];
static int close_fds_cnt = 0;
static void rdns_init(void) {
at_init();
}
static void do_init(void) {
srand(time(NULL));
core_initialize();
at_init();
/* read the config file */
get_chain_data(proxychains_pd, &proxychains_proxy_count, &proxychains_ct);
@ -139,8 +142,9 @@ static void do_init(void) {
setup_hooks();
while(close_fds_cnt) true_close(close_fds[--close_fds_cnt]);
init_l = 1;
if(proxychains_resolver) rdns_init();
}
static void init_lib_wrapper(const char* caller) {
@ -500,6 +504,8 @@ int close(int fd) {
errno = 0;
return 0;
}
if(!proxychains_resolver) return true_close(fd);
/* prevent rude programs (like ssh) from closing our pipes */
if(fd != req_pipefd[0] && fd != req_pipefd[1] &&
fd != resp_pipefd[0] && fd != resp_pipefd[1]) {