rocksock_add_proxy.c

   1 #undef _POSIX_C_SOURCE
   2 #define _POSIX_C_SOURCE 200809L
   3 #undef _GNU_SOURCE
   4 #define _GNU_SOURCE
   5
   6 #include <string.h>
   7
   8 #include "rocksock.h"
   9 #include "rocksock_internal.h"
  10
  11 #ifndef ROCKSOCK_FILENAME
  12 #define ROCKSOCK_FILENAME __FILE__
  13 #endif
  14
  15 int rocksock_add_proxy(rocksock* sock, rs_proxyType proxytype, char* host, unsigned short port, char* username, char* password) {
  16         rs_proxy* prx;
  17         if (!sock)
  18                 return RS_E_NULL;
  19         if(sock->lastproxy+1 >= MAX_PROXIES)
  20                 return rocksock_seterror(sock, RS_ET_OWN, RS_E_EXCEED_PROXY_LIMIT, ROCKSOCK_FILENAME, __LINE__);
  21         if(!host)
  22                 return rocksock_seterror(sock, RS_ET_OWN, RS_E_NULL, ROCKSOCK_FILENAME, __LINE__);
  23         if(proxytype == RS_PT_SOCKS4 && (username || password))
  24                 return rocksock_seterror(sock, RS_ET_OWN, RS_E_SOCKS4_NOAUTH, ROCKSOCK_FILENAME, __LINE__);
  25         if(proxytype == RS_PT_SOCKS5 && ((username && strlen(username) > 255) || (password && strlen(password) > 255)))
  26                 return rocksock_seterror(sock, RS_ET_OWN, RS_E_SOCKS5_AUTH_EXCEEDSIZE, ROCKSOCK_FILENAME, __LINE__);
  27         sock->lastproxy++;
  28         prx = &sock->proxies[sock->lastproxy];
  29         prx->hostinfo.port = port;
  30         prx->proxytype = proxytype;
  31 #ifndef NO_STRDUP
  32         prx->hostinfo.host = strdup(host);
  33         prx->username = username ? strdup(username) : NULL;
  34         prx->password = password ? strdup(password) : NULL;
  35 #else
  36         prx->hostinfo.host = host;
  37         prx->username = username;
  38         prx->password = password;
  39 #endif
  40         return rocksock_seterror(sock, RS_ET_OWN, 0, NULL, 0);
  41 }
  42