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host: get the custom Host: name more genericly

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When given a custom host name in a Host: header, we can use it for
several different purposes other than just cookies, so we rename it and
use it for SSL SNI etc.
This commit is contained in:
Daniel Stenberg 2010-11-04 14:58:15 +01:00
parent 68cde058f6
commit afecd1aa13
4 changed files with 20 additions and 29 deletions
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25
lib/http.c
View File

@ -2254,26 +2254,25 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
ptr = Curl_checkheaders(data, "Host:");
if(ptr && (!data->state.this_is_a_follow ||
Curl_raw_equal(data->state.first_host, conn->host.name))) {
#if !defined(CURL_DISABLE_COOKIES)
/* If we have a given custom Host: header, we extract the host name in
order to possibly use it for cookie reasons later on. We only allow the
custom Host: header if this is NOT a redirect, as setting Host: in the
redirected request is being out on thin ice. Except if the host name
is the same as the first one! */
char *cookiehost = Curl_copy_header_value(ptr);
if (!cookiehost)
char *chost = Curl_copy_header_value(ptr);
if (!chost)
return CURLE_OUT_OF_MEMORY;
if (!*cookiehost)
if (!*chost)
/* ignore empty data */
free(cookiehost);
free(chost);
else {
char *colon = strchr(cookiehost, ':');
char *colon = strchr(chost, ':');
if (colon)
*colon = 0; /* The host must not include an embedded port number */
Curl_safefree(conn->allocptr.cookiehost);
conn->allocptr.cookiehost = cookiehost;
Curl_safefree(conn->allocptr.customhost);
conn->allocptr.customhost = chost;
}
#endif
conn->allocptr.host = NULL;
}
@ -2597,8 +2596,8 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
if(data->cookies) {
Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
co = Curl_cookie_getlist(data->cookies,
conn->allocptr.cookiehost?
conn->allocptr.cookiehost:host,
conn->allocptr.customhost?
conn->allocptr.customhost:host,
data->state.path,
(bool)(conn->protocol&PROT_HTTPS?TRUE:FALSE));
Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
@ -3689,8 +3688,8 @@ CURLcode Curl_http_readwrite_headers(struct SessionHandle *data,
data->cookies, TRUE, k->p+11,
/* If there is a custom-set Host: name, use it
here, or else use real peer host name. */
conn->allocptr.cookiehost?
conn->allocptr.cookiehost:conn->host.name,
conn->allocptr.customhost?
conn->allocptr.customhost:conn->host.name,
data->state.path);
Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
}

20
lib/ssluse.c
View File

@ -1430,7 +1430,6 @@ ossl_connect_step1(struct connectdata *conn,
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
const char *hostname;
bool hostname_static;
bool sni;
#ifdef ENABLE_IPV6
struct in6_addr addr;
@ -1643,18 +1642,13 @@ ossl_connect_step1(struct connectdata *conn,
connssl->server_cert = 0x0;
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
hostname = Curl_checkheaders(data, "Host:");
if(hostname && (!data->state.this_is_a_follow ||
Curl_raw_equal(data->state.first_host, conn->host.name))) {
hostname_static = FALSE;
hostname = Curl_copy_header_value(hostname);
if(!hostname) {
return CURLE_OUT_OF_MEMORY;
}
} else {
hostname_static = TRUE;
if((!data->state.this_is_a_follow ||
Curl_raw_equal(data->state.first_host, conn->host.name)) &&
conn->allocptr.customhost)
hostname = conn->allocptr.customhost;
else
hostname = conn->host.name;
}
if ((0 == Curl_inet_pton(AF_INET, hostname, &addr)) &&
#ifdef ENABLE_IPV6
(0 == Curl_inet_pton(AF_INET6, hostname, &addr)) &&
@ -1663,8 +1657,6 @@ ossl_connect_step1(struct connectdata *conn,
!SSL_set_tlsext_host_name(connssl->handle, hostname))
infof(data, "WARNING: failed to configure server name indication (SNI) "
"TLS extension\n");
if(!hostname_static)
free((char *) hostname);
#endif
/* Check if there's a cached ID we can/should use here! */

2
lib/url.c
View File

@ -2534,7 +2534,7 @@ static void conn_free(struct connectdata *conn)
Curl_safefree(conn->allocptr.rangeline);
Curl_safefree(conn->allocptr.ref);
Curl_safefree(conn->allocptr.host);
Curl_safefree(conn->allocptr.cookiehost);
Curl_safefree(conn->allocptr.customhost);
Curl_safefree(conn->allocptr.rtsp_transport);
Curl_safefree(conn->trailer);
Curl_safefree(conn->host.rawalloc); /* host name buffer */

2
lib/urldata.h
View File

@ -796,7 +796,7 @@ struct connectdata {
char *rangeline; /* free later if not NULL! */
char *ref; /* free later if not NULL! */
char *host; /* free later if not NULL */
char *cookiehost; /* free later if not NULL */
char *customhost; /* free later if not NULL */
char *rtsp_transport; /* free later if not NULL */
} allocptr;