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get_chain_data: reject invalid entries in proxylist section

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rofl0r 2014-07-21 13:17:24 +02:00
parent 5168bc4eed
commit d3586380bd
1 changed files with 7 additions and 2 deletions
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9
src/libproxychains.c
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@ -192,7 +192,12 @@ static void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_typ
pd[count].ps = PLAY_STATE; pd[count].ps = PLAY_STATE;
port_n = 0; port_n = 0;
sscanf(buff, "%s %s %d %s %s", type, host, &port_n, pd[count].user, pd[count].pass); int ret = sscanf(buff, "%s %s %d %s %s", type, host, &port_n, pd[count].user, pd[count].pass);
if(ret < 3 || ret == EOF) {
inv:
fprintf(stderr, "error: invalid item in proxylist section: %s", buff);
exit(1);
}
in_addr_t host_ip = inet_addr(host); in_addr_t host_ip = inet_addr(host);
if(host_ip == INADDR_NONE) { if(host_ip == INADDR_NONE) {
@ -209,7 +214,7 @@ static void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_typ
} else if(!strcmp(type, "socks5")) { } else if(!strcmp(type, "socks5")) {
pd[count].pt = SOCKS5_TYPE; pd[count].pt = SOCKS5_TYPE;
} else } else
continue; goto inv;
if(pd[count].ip.as_int && port_n && pd[count].ip.as_int != (uint32_t) - 1) if(pd[count].ip.as_int && port_n && pd[count].ip.as_int != (uint32_t) - 1)
count++; count++;