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-rw-r--r--lib/socks.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/socks.c b/lib/socks.c
index b55fa9b8c..968b720b7 100644
--- a/lib/socks.c
+++ b/lib/socks.c
@@ -375,6 +375,7 @@ CURLcode Curl_SOCKS5(const char *proxy_user,
*/
unsigned char socksreq[600]; /* room for large user/pw (255 max each) */
+ int idx;
ssize_t actualread;
ssize_t written;
int result;
@@ -426,17 +427,17 @@ CURLcode Curl_SOCKS5(const char *proxy_user,
return CURLE_COULDNT_CONNECT;
}
- socksreq[0] = 5; /* version */
+ idx = 0;
+ socksreq[idx++] = 5; /* version */
+ idx++; /* reserve for the number of authentication methods */
+ socksreq[idx++] = 0; /* no authentication */
#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
- socksreq[1] = (char)(proxy_user ? 3 : 2); /* number of methods (below) */
- socksreq[2] = 0; /* no authentication */
- socksreq[3] = 1; /* GSS-API */
- socksreq[4] = 2; /* username/password */
-#else
- socksreq[1] = (char)(proxy_user ? 2 : 1); /* number of methods (below) */
- socksreq[2] = 0; /* no authentication */
- socksreq[3] = 2; /* username/password */
+ socksreq[idx++] = 1; /* GSS-API */
#endif
+ if(proxy_user)
+ socksreq[idx++] = 2; /* username/password */
+ /* write the number of authentication methods */
+ socksreq[1] = (unsigned char) (idx - 2);
(void)curlx_nonblock(sock, FALSE);