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lib/socks.c: Merged two size variables into one

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This commit is contained in:
Marc Hoersken 2012-10-04 21:27:46 +02:00
parent cd423348d9
commit 07593b2422
1 changed files with 15 additions and 16 deletions
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31
lib/socks.c
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@ -370,7 +370,7 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
long timeout;
bool socks5_resolve_local = (conn->proxytype == CURLPROXY_SOCKS5)?TRUE:FALSE;
const size_t hostname_len = strlen(hostname);
ssize_t len = 0, packetsize = 0;
ssize_t len = 0;
/* RFC1928 chapter 5 specifies max 255 chars for domain name in packet */
if(!socks5_resolve_local && hostname_len > 255) {
@ -626,22 +626,20 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
socksreq[len++] = (unsigned char)((remote_port >> 8) & 0xff); /* PORT MSB */
socksreq[len++] = (unsigned char)(remote_port & 0xff); /* PORT LSB */
packetsize = len;
#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
if(conn->socks5_gssapi_enctype) {
failf(data, "SOCKS5 gssapi protection not yet implemented.");
}
else
#endif
code = Curl_write_plain(conn, sock, (char *)socksreq, packetsize,
&written);
if((code != CURLE_OK) || (written != packetsize)) {
code = Curl_write_plain(conn, sock, (char *)socksreq, len, &written);
if((code != CURLE_OK) || (len != written)) {
failf(data, "Failed to send SOCKS5 connect request.");
return CURLE_COULDNT_CONNECT;
}
packetsize = 10; /* minimum packet size is 10 */
len = 10; /* minimum packet size is 10 */
#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
if(conn->socks5_gssapi_enctype) {
@ -649,9 +647,10 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
}
else
#endif
result = Curl_blockread_all(conn, sock, (char *)socksreq, packetsize,
&actualread);
if((result != CURLE_OK) || (actualread != packetsize)) {
result = Curl_blockread_all(conn, sock, (char *)socksreq,
len, &actualread);
if((result != CURLE_OK) || (len != actualread)) {
failf(data, "Failed to receive SOCKS5 connect request ack.");
return CURLE_COULDNT_CONNECT;
}
@ -715,11 +714,11 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
if(socksreq[3] == 3) {
/* domain name */
int addrlen = (int) socksreq[4];
packetsize = 5 + addrlen + 2;
len = 5 + addrlen + 2;
}
else if(socksreq[3] == 4) {
/* IPv6 */
packetsize = 4 + 16 + 2;
len = 4 + 16 + 2;
}
/* At this point we already read first 10 bytes */
@ -727,11 +726,11 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
if(!conn->socks5_gssapi_enctype) {
/* decrypt_gssapi_blockread already read the whole packet */
#endif
if(packetsize > 10) {
packetsize -= 10;
if(len > 10) {
len -= 10;
result = Curl_blockread_all(conn, sock, (char *)&socksreq[10],
packetsize, &actualread);
if((result != CURLE_OK) || (actualread != packetsize)) {
len, &actualread);
if((result != CURLE_OK) || (len != actualread)) {
failf(data, "Failed to receive SOCKS5 connect request ack.");
return CURLE_COULDNT_CONNECT;
}