diff options
Diffstat (limited to 'lib/proxy.c')
-rw-r--r-- | lib/proxy.c | 167 |
1 files changed, 85 insertions, 82 deletions
diff --git a/lib/proxy.c b/lib/proxy.c index e52837fe..0b1866ea 100644 --- a/lib/proxy.c +++ b/lib/proxy.c @@ -57,27 +57,6 @@ struct PHB { gint inpa; }; - - -static struct sockaddr_in *gaim_gethostbyname(const char *host, int port) -{ - static struct sockaddr_in sin; - - if (!inet_aton(host, &sin.sin_addr)) { - struct hostent *hp; - if (!(hp = gethostbyname(host))) { - return NULL; - } - memset(&sin, 0, sizeof(struct sockaddr_in)); - memcpy(&sin.sin_addr.s_addr, hp->h_addr, hp->h_length); - sin.sin_family = hp->h_addrtype; - } else - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - - return &sin; -} - static gboolean gaim_io_connected(gpointer data, gint source, b_input_condition cond) { struct PHB *phb = data; @@ -90,9 +69,9 @@ static gboolean gaim_io_connected(gpointer data, gint source, b_input_condition closesocket(source); b_event_remove(phb->inpa); if( phb->proxy_func ) - phb->proxy_func(phb->proxy_data, -1, GAIM_INPUT_READ); + phb->proxy_func(phb->proxy_data, -1, B_EV_IO_READ); else { - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb); } return FALSE; @@ -101,56 +80,80 @@ static gboolean gaim_io_connected(gpointer data, gint source, b_input_condition sock_make_blocking(source); b_event_remove(phb->inpa); if( phb->proxy_func ) - phb->proxy_func(phb->proxy_data, source, GAIM_INPUT_READ); + phb->proxy_func(phb->proxy_data, source, B_EV_IO_READ); else { - phb->func(phb->data, source, GAIM_INPUT_READ); + phb->func(phb->data, source, B_EV_IO_READ); g_free(phb); } return FALSE; } -static int proxy_connect_none(const char *host, unsigned short port, struct PHB *phb) +static int proxy_connect_none(const char *host, unsigned short port_, struct PHB *phb) { - struct sockaddr_in *sin; struct sockaddr_in me; int fd = -1; + int ret; + char port[6]; + struct addrinfo hints; + struct addrinfo* result; - if (!(sin = gaim_gethostbyname(host, port))) { - g_free(phb); - return -1; - } + g_snprintf(port, sizeof(port), "%d", port_); - if ((fd = socket(sin->sin_family, SOCK_STREAM, 0)) < 0) { - g_free(phb); - return -1; - } + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_flags = AI_ADDRCONFIG | AI_NUMERICSERV; - sock_make_nonblocking(fd); + if (!(ret = getaddrinfo(host, port, &hints, &result))) + { + struct addrinfo* rp; + + for (rp = result; rp; rp = rp->ai_next) + { + if ((fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol)) < 0) { + event_debug( "socket failed: %d\n", errno); + continue; + } + + sock_make_nonblocking(fd); + + if (global.conf->iface_out) + { + me.sin_family = AF_INET; + me.sin_port = 0; + me.sin_addr.s_addr = inet_addr( global.conf->iface_out ); + + if (bind(fd, (struct sockaddr *) &me, sizeof(me)) != 0) + event_debug("bind( %d, \"%s\" ) failure\n", fd, global.conf->iface_out); + } + + event_debug("proxy_connect_none( \"%s\", %d ) = %d\n", host, port, fd); - if( global.conf->iface_out ) + if (connect(fd, rp->ai_addr, rp->ai_addrlen) < 0 && !sockerr_again()) { + event_debug( "connect failed: %s\n", strerror(errno)); + closesocket(fd); + fd = -1; + continue; + } else { + phb->inpa = b_input_add(fd, B_EV_IO_WRITE, gaim_io_connected, phb); + phb->fd = fd; + + break; + } + } + + freeaddrinfo(result); + } + else { - me.sin_family = AF_INET; - me.sin_port = 0; - me.sin_addr.s_addr = inet_addr( global.conf->iface_out ); - - if( bind( fd, (struct sockaddr *) &me, sizeof( me ) ) != 0 ) - event_debug( "bind( %d, \"%s\" ) failure\n", fd, global.conf->iface_out ); + event_debug("gai(): %s\n", gai_strerror(ret)); } - event_debug("proxy_connect_none( \"%s\", %d ) = %d\n", host, port, fd); - - if (connect(fd, (struct sockaddr *)sin, sizeof(*sin)) < 0 && !sockerr_again()) { - closesocket(fd); + if(fd < 0) g_free(phb); - - return -1; - } else { - phb->inpa = b_input_add(fd, GAIM_INPUT_WRITE, gaim_io_connected, phb); - phb->fd = fd; - - return fd; - } + + return fd; } @@ -178,14 +181,14 @@ static gboolean http_canread(gpointer data, gint source, b_input_condition cond) if ((memcmp(HTTP_GOODSTRING, inputline, strlen(HTTP_GOODSTRING)) == 0) || (memcmp(HTTP_GOODSTRING2, inputline, strlen(HTTP_GOODSTRING2)) == 0)) { - phb->func(phb->data, source, GAIM_INPUT_READ); + phb->func(phb->data, source, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); @@ -203,7 +206,7 @@ static gboolean http_canwrite(gpointer data, gint source, b_input_condition cond len = sizeof(error); if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -214,7 +217,7 @@ static gboolean http_canwrite(gpointer data, gint source, b_input_condition cond phb->host, phb->port); if (send(source, cmd, strlen(cmd), 0) < 0) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -229,7 +232,7 @@ static gboolean http_canwrite(gpointer data, gint source, b_input_condition cond g_free(t2); if (send(source, cmd, strlen(cmd), 0) < 0) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -239,13 +242,13 @@ static gboolean http_canwrite(gpointer data, gint source, b_input_condition cond g_snprintf(cmd, sizeof(cmd), "\r\n"); if (send(source, cmd, strlen(cmd), 0) < 0) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } - phb->inpa = b_input_add(source, GAIM_INPUT_READ, http_canread, phb); + phb->inpa = b_input_add(source, B_EV_IO_READ, http_canread, phb); return FALSE; } @@ -272,14 +275,14 @@ static gboolean s4_canread(gpointer data, gint source, b_input_condition cond) memset(packet, 0, sizeof(packet)); if (read(source, packet, 9) >= 4 && packet[1] == 90) { - phb->func(phb->data, source, GAIM_INPUT_READ); + phb->func(phb->data, source, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); @@ -298,7 +301,7 @@ static gboolean s4_canwrite(gpointer data, gint source, b_input_condition cond) len = sizeof(error); if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -308,7 +311,7 @@ static gboolean s4_canwrite(gpointer data, gint source, b_input_condition cond) /* XXX does socks4 not support host name lookups by the proxy? */ if (!(hp = gethostbyname(phb->host))) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -325,13 +328,13 @@ static gboolean s4_canwrite(gpointer data, gint source, b_input_condition cond) packet[8] = 0; if (write(source, packet, 9) != 9) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } - phb->inpa = b_input_add(source, GAIM_INPUT_READ, s4_canread, phb); + phb->inpa = b_input_add(source, B_EV_IO_READ, s4_canread, phb); return FALSE; } @@ -358,20 +361,20 @@ static gboolean s5_canread_again(gpointer data, gint source, b_input_condition c if (read(source, buf, 10) < 10) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } if ((buf[0] != 0x05) || (buf[1] != 0x00)) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } - phb->func(phb->data, source, GAIM_INPUT_READ); + phb->func(phb->data, source, B_EV_IO_READ); g_free(phb->host); g_free(phb); @@ -395,13 +398,13 @@ static void s5_sendconnect(gpointer data, gint source) if (write(source, buf, (5 + strlen(phb->host) + 2)) < (5 + strlen(phb->host) + 2)) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return; } - phb->inpa = b_input_add(source, GAIM_INPUT_READ, s5_canread_again, phb); + phb->inpa = b_input_add(source, B_EV_IO_READ, s5_canread_again, phb); } static gboolean s5_readauth(gpointer data, gint source, b_input_condition cond) @@ -413,7 +416,7 @@ static gboolean s5_readauth(gpointer data, gint source, b_input_condition cond) if (read(source, buf, 2) < 2) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -421,7 +424,7 @@ static gboolean s5_readauth(gpointer data, gint source, b_input_condition cond) if ((buf[0] != 0x01) || (buf[1] != 0x00)) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -441,7 +444,7 @@ static gboolean s5_canread(gpointer data, gint source, b_input_condition cond) if (read(source, buf, 2) < 2) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -449,7 +452,7 @@ static gboolean s5_canread(gpointer data, gint source, b_input_condition cond) if ((buf[0] != 0x05) || (buf[1] == 0xff)) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -464,13 +467,13 @@ static gboolean s5_canread(gpointer data, gint source, b_input_condition cond) memcpy(buf + 2 + i + 1, proxypass, j); if (write(source, buf, 3 + i + j) < 3 + i + j) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } - phb->inpa = b_input_add(source, GAIM_INPUT_READ, s5_readauth, phb); + phb->inpa = b_input_add(source, B_EV_IO_READ, s5_readauth, phb); } else { s5_sendconnect(phb, source); } @@ -490,7 +493,7 @@ static gboolean s5_canwrite(gpointer data, gint source, b_input_condition cond) len = sizeof(error); if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; @@ -512,13 +515,13 @@ static gboolean s5_canwrite(gpointer data, gint source, b_input_condition cond) if (write(source, buf, i) < i) { close(source); - phb->func(phb->data, -1, GAIM_INPUT_READ); + phb->func(phb->data, -1, B_EV_IO_READ); g_free(phb->host); g_free(phb); return FALSE; } - phb->inpa = b_input_add(source, GAIM_INPUT_READ, s5_canread, phb); + phb->inpa = b_input_add(source, B_EV_IO_READ, s5_canread, phb); return FALSE; } |