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socks.c: display the hostname returned by the SOCKS5 proxy server

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Instead of displaying the requested hostname the one returned
by the SOCKS5 proxy server is used in case of connection error.
The requested hostname is displayed earlier in the connection sequence.

The upper-value of the port is moved to a temporary variable and
replaced with a 0-byte to make sure the hostname is 0-terminated.
This commit is contained in:
Marc Hoersken 2016-08-20 21:38:09 +02:00
parent 670802bd0b
commit b820e40f34
1 changed files with 5 additions and 2 deletions
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7
lib/socks.c
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@ -734,12 +734,15 @@ CURLcode Curl_SOCKS5(const char *proxy_name,
(unsigned char)socksreq[1]);
}
else if(socksreq[3] == 3) {
unsigned char port_upper = (unsigned char)socksreq[len - 2];
socksreq[len - 2] = 0;
failf(data,
"Can't complete SOCKS5 connection to %s:%d. (%d)",
hostname,
(((unsigned char)socksreq[len - 2] << 8) |
(char *)&socksreq[5],
((port_upper << 8) |
(unsigned char)socksreq[len - 1]),
(unsigned char)socksreq[1]);
socksreq[len - 2] = port_upper;
}
else if(socksreq[3] == 4) {
failf(data,