Akkariin/proxychains-ng
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add support for "proxy_dns_old" to use old 3.1 DNS lookup method

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some lamer on IRC by the name of annoner/R3M0RS3/penis was complaining
that 3.1 is a lot better than proxychains-ng, because it happens to
work with the browser he's interested in.
since this wasn't the first time this is requested, let's give this
those lamers what they want: lame code!
This commit is contained in:
rofl0r
2020-09-20 22:11:17 +01:00
Unverified
parent 3e791fd797
commit 2ab631918d
5 changed files with 115 additions and 13 deletions
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src/libproxychains.c
+9 -5
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@@ -146,7 +146,7 @@ static void do_init(void) {
while(close_fds_cnt) true_close(close_fds[--close_fds_cnt]);
init_l = 1;
if(proxychains_resolver) rdns_init();
if(proxychains_resolver == 1) rdns_init();
}
static void init_lib_wrapper(const char* caller) {
@@ -328,7 +328,7 @@ static void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_typ
pd[count].port = htons((unsigned short) port_n);
ip_type* host_ip = &pd[count].ip;
if(1 != inet_pton(host_ip->is_v6 ? AF_INET6 : AF_INET, host, host_ip->addr.v6)) {
if(*ct == STRICT_TYPE && proxychains_resolver && count > 0) {
if(*ct == STRICT_TYPE && proxychains_resolver == 1 && count > 0) {
/* we can allow dns hostnames for all but the first proxy in the list if chaintype is strict, as remote lookup can be done */
rdns_init();
ip_type4 internal_ip = at_get_ip_for_host(host, strlen(host));
@@ -431,6 +431,8 @@ inv_host:
proxychains_max_chain = (len ? len : 1);
} else if(strstr(buff, "quiet_mode")) {
proxychains_quiet_mode = 1;
} else if(strstr(buff, "proxy_dns_old")) {
proxychains_resolver = 2;
} else if(strstr(buff, "proxy_dns")) {
proxychains_resolver = 1;
} else if(strstr(buff, "dnat")) {
@@ -495,7 +497,7 @@ inv_host:
}
*proxy_count = count;
proxychains_got_chain_data = 1;
PDEBUG("proxy_dns: %s\n", proxychains_resolver ? "ON" : "OFF");
PDEBUG("proxy_dns: %s\n", proxychains_resolver ? (proxychains_resolver == 2 ? "OLD" : "ON") : "OFF");
}
/******* HOOK FUNCTIONS *******/
@@ -507,7 +509,7 @@ int close(int fd) {
errno = 0;
return 0;
}
if(!proxychains_resolver) return true_close(fd);
if(proxychains_resolver != 1) return true_close(fd);
/* prevent rude programs (like ssh) from closing our pipes */
if(fd != req_pipefd[0] && fd != req_pipefd[1] &&
@@ -622,8 +624,10 @@ struct hostent *gethostbyname(const char *name) {
INIT();
PDEBUG("gethostbyname: %s\n", name);
if(proxychains_resolver)
if(proxychains_resolver == 1)
return proxy_gethostbyname(name, &ghbndata);
else if(proxychains_resolver == 2)
return proxy_gethostbyname_old(name);
else
return true_gethostbyname(name);