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httpd/SOURCES/httpd-2.4.37-CVE-2021-33193.patch

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import httpd-2.4.37-47.module+el8.6.0+14529+083145da.1
2022-05-10 07:10:10 +00:00
diff --git a/include/http_core.h b/include/http_core.h
index 8e10988..3ba8069 100644
--- a/include/http_core.h
+++ b/include/http_core.h
@@ -741,6 +741,7 @@ typedef struct {
#define AP_HTTP_METHODS_REGISTERED 2
char http_methods;
unsigned int merge_slashes;
+ unsigned int strict_host_check;
} core_server_config;
/* for AddOutputFiltersByType in core.c */
@@ -769,6 +770,11 @@ AP_DECLARE(void) ap_set_server_protocol(server_rec* s, const char* proto);
typedef struct core_output_filter_ctx core_output_filter_ctx_t;
typedef struct core_filter_ctx core_ctx_t;
+struct core_filter_ctx {
+ apr_bucket_brigade *b;
+ apr_bucket_brigade *tmpbb;
+};
+
typedef struct core_net_rec {
/** Connection to the client */
apr_socket_t *client_socket;
diff --git a/include/http_protocol.h b/include/http_protocol.h
index 11c7b2d..e7abdd9 100644
--- a/include/http_protocol.h
+++ b/include/http_protocol.h
@@ -53,6 +53,13 @@ AP_DECLARE_DATA extern ap_filter_rec_t *ap_old_write_func;
* or control the ones that eventually do.
*/
+/**
+ * Read an empty request and set reasonable defaults.
+ * @param c The current connection
+ * @return The new request_rec
+ */
+AP_DECLARE(request_rec *) ap_create_request(conn_rec *c);
+
/**
* Read a request and fill in the fields.
* @param c The current connection
@@ -60,6 +67,20 @@ AP_DECLARE_DATA extern ap_filter_rec_t *ap_old_write_func;
*/
request_rec *ap_read_request(conn_rec *c);
+/**
+ * Parse and validate the request line.
+ * @param r The current request
+ * @return 1 on success, 0 on failure
+ */
+AP_DECLARE(int) ap_parse_request_line(request_rec *r);
+
+/**
+ * Validate the request header and select vhost.
+ * @param r The current request
+ * @return 1 on success, 0 on failure
+ */
+AP_DECLARE(int) ap_check_request_header(request_rec *r);
+
/**
* Read the mime-encoded headers.
* @param r The current request
diff --git a/include/http_vhost.h b/include/http_vhost.h
index 473c9c7..d2d9c97 100644
--- a/include/http_vhost.h
+++ b/include/http_vhost.h
@@ -99,6 +99,19 @@ AP_DECLARE(void) ap_update_vhost_given_ip(conn_rec *conn);
*/
AP_DECLARE(void) ap_update_vhost_from_headers(request_rec *r);
+/**
+ * Updates r->server with the best name-based virtual host match, within
+ * the chain of matching virtual hosts selected by ap_update_vhost_given_ip.
+ * @param r The current request
+ * @param require_match 1 to return an HTTP error if the requested hostname is
+ * not explicitly matched to a VirtualHost.
+ * @return return HTTP_OK unless require_match was specified and the requested
+ * hostname did not match any ServerName, ServerAlias, or VirtualHost
+ * address-spec.
+ */
+AP_DECLARE(int) ap_update_vhost_from_headers_ex(request_rec *r, int require_match);
+
+
/**
* Match the host in the header with the hostname of the server for this
* request.
diff --git a/server/core.c b/server/core.c
index 84e80f2..23abf57 100644
--- a/server/core.c
+++ b/server/core.c
@@ -498,6 +498,8 @@ static void *create_core_server_config(apr_pool_t *a, server_rec *s)
conf->protocols = apr_array_make(a, 5, sizeof(const char *));
conf->protocols_honor_order = -1;
+ conf->strict_host_check= AP_CORE_CONFIG_UNSET;
+
return (void *)conf;
}
@@ -565,6 +567,12 @@ static void *merge_core_server_configs(apr_pool_t *p, void *basev, void *virtv)
AP_CORE_MERGE_FLAG(merge_slashes, conf, base, virt);
+ conf->strict_host_check = (virt->strict_host_check != AP_CORE_CONFIG_UNSET)
+ ? virt->strict_host_check
+ : base->strict_host_check;
+
+ AP_CORE_MERGE_FLAG(strict_host_check, conf, base, virt);
+
return conf;
}
@@ -4546,7 +4554,10 @@ AP_INIT_TAKE2("CGIVar", set_cgi_var, NULL, OR_FILEINFO,
AP_INIT_FLAG("QualifyRedirectURL", set_qualify_redirect_url, NULL, OR_FILEINFO,
"Controls whether HTTP authorization headers, normally hidden, will "
"be passed to scripts"),
-
+AP_INIT_FLAG("StrictHostCheck", set_core_server_flag,
+ (void *)APR_OFFSETOF(core_server_config, strict_host_check),
+ RSRC_CONF,
+ "Controls whether a hostname match is required"),
AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
(void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO,
"a mime type that overrides other configured type"),
@@ -5581,4 +5592,3 @@ AP_DECLARE_MODULE(core) = {
core_cmds, /* command apr_table_t */
register_hooks /* register hooks */
};
-
diff --git a/server/core_filters.c b/server/core_filters.c
index a6c2bd6..e08801f 100644
--- a/server/core_filters.c
+++ b/server/core_filters.c
@@ -84,11 +84,6 @@ struct core_output_filter_ctx {
apr_size_t bytes_written;
};
-struct core_filter_ctx {
- apr_bucket_brigade *b;
- apr_bucket_brigade *tmpbb;
-};
-
apr_status_t ap_core_input_filter(ap_filter_t *f, apr_bucket_brigade *b,
ap_input_mode_t mode, apr_read_type_e block,
diff --git a/server/protocol.c b/server/protocol.c
index 8d1fdd2..430d91e 100644
--- a/server/protocol.c
+++ b/server/protocol.c
@@ -609,8 +609,15 @@ AP_CORE_DECLARE(void) ap_parse_uri(request_rec *r, const char *uri)
}
r->args = r->parsed_uri.query;
- r->uri = r->parsed_uri.path ? r->parsed_uri.path
- : apr_pstrdup(r->pool, "/");
+ if (r->parsed_uri.path) {
+ r->uri = r->parsed_uri.path;
+ }
+ else if (r->method_number == M_OPTIONS) {
+ r->uri = apr_pstrdup(r->pool, "*");
+ }
+ else {
+ r->uri = apr_pstrdup(r->pool, "/");
+ }
#if defined(OS2) || defined(WIN32)
/* Handle path translations for OS/2 and plug security hole.
@@ -645,13 +652,6 @@ static int field_name_len(const char *field)
static int read_request_line(request_rec *r, apr_bucket_brigade *bb)
{
- enum {
- rrl_none, rrl_badmethod, rrl_badwhitespace, rrl_excesswhitespace,
- rrl_missinguri, rrl_baduri, rrl_badprotocol, rrl_trailingtext,
- rrl_badmethod09, rrl_reject09
- } deferred_error = rrl_none;
- char *ll;
- char *uri;
apr_size_t len;
int num_blank_lines = DEFAULT_LIMIT_BLANK_LINES;
core_server_config *conf = ap_get_core_module_config(r->server->module_config);
@@ -711,6 +711,20 @@ static int read_request_line(request_rec *r, apr_bucket_brigade *bb)
}
r->request_time = apr_time_now();
+ return 1;
+}
+
+AP_DECLARE(int) ap_parse_request_line(request_rec *r)
+{
+ core_server_config *conf = ap_get_core_module_config(r->server->module_config);
+ int strict = (conf->http_conformance != AP_HTTP_CONFORMANCE_UNSAFE);
+ enum {
+ rrl_none, rrl_badmethod, rrl_badwhitespace, rrl_excesswhitespace,
+ rrl_missinguri, rrl_baduri, rrl_badprotocol, rrl_trailingtext,
+ rrl_badmethod09, rrl_reject09
+ } deferred_error = rrl_none;
+ apr_size_t len = 0;
+ char *uri, *ll;
r->method = r->the_request;
@@ -742,7 +756,6 @@ static int read_request_line(request_rec *r, apr_bucket_brigade *bb)
if (deferred_error == rrl_none)
deferred_error = rrl_missinguri;
r->protocol = uri = "";
- len = 0;
goto rrl_done;
}
else if (strict && ll[0] && apr_isspace(ll[1])
@@ -773,7 +786,6 @@ static int read_request_line(request_rec *r, apr_bucket_brigade *bb)
/* Verify URI terminated with a single SP, or mark as specific error */
if (!ll) {
r->protocol = "";
- len = 0;
goto rrl_done;
}
else if (strict && ll[0] && apr_isspace(ll[1])
@@ -866,6 +878,14 @@ rrl_done:
r->header_only = 1;
ap_parse_uri(r, uri);
+ if (r->status == HTTP_OK
+ && (r->parsed_uri.path != NULL)
+ && (r->parsed_uri.path[0] != '/')
+ && (r->method_number != M_OPTIONS
+ || strcmp(r->parsed_uri.path, "*") != 0)) {
+ /* Invalid request-target per RFC 7230 section 5.3 */
+ r->status = HTTP_BAD_REQUEST;
+ }
/* With the request understood, we can consider HTTP/0.9 specific errors */
if (r->proto_num == HTTP_VERSION(0, 9) && deferred_error == rrl_none) {
@@ -973,6 +993,79 @@ rrl_failed:
return 0;
}
+AP_DECLARE(int) ap_check_request_header(request_rec *r)
+{
+ core_server_config *conf;
+ int strict_host_check;
+ const char *expect;
+ int access_status;
+
+ conf = ap_get_core_module_config(r->server->module_config);
+
+ /* update what we think the virtual host is based on the headers we've
+ * now read. may update status.
+ */
+ strict_host_check = (conf->strict_host_check == AP_CORE_CONFIG_ON);
+ access_status = ap_update_vhost_from_headers_ex(r, strict_host_check);
+ if (strict_host_check && access_status != HTTP_OK) {
+ if (r->server == ap_server_conf) {
+ ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(10156)
+ "Requested hostname '%s' did not match any ServerName/ServerAlias "
+ "in the global server configuration ", r->hostname);
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(10157)
+ "Requested hostname '%s' did not match any ServerName/ServerAlias "
+ "in the matching virtual host (default vhost for "
+ "current connection is %s:%u)",
+ r->hostname, r->server->defn_name, r->server->defn_line_number);
+ }
+ r->status = access_status;
+ }
+ if (r->status != HTTP_OK) {
+ return 0;
+ }
+
+ if ((!r->hostname && (r->proto_num >= HTTP_VERSION(1, 1)))
+ || ((r->proto_num == HTTP_VERSION(1, 1))
+ && !apr_table_get(r->headers_in, "Host"))) {
+ /*
+ * Client sent us an HTTP/1.1 or later request without telling us the
+ * hostname, either with a full URL or a Host: header. We therefore
+ * need to (as per the 1.1 spec) send an error. As a special case,
+ * HTTP/1.1 mentions twice (S9, S14.23) that a request MUST contain
+ * a Host: header, and the server MUST respond with 400 if it doesn't.
+ */
+ ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00569)
+ "client sent HTTP/1.1 request without hostname "
+ "(see RFC2616 section 14.23): %s", r->uri);
+ r->status = HTTP_BAD_REQUEST;
+ return 0;
+ }
+
+ if (((expect = apr_table_get(r->headers_in, "Expect")) != NULL)
+ && (expect[0] != '\0')) {
+ /*
+ * The Expect header field was added to HTTP/1.1 after RFC 2068
+ * as a means to signal when a 100 response is desired and,
+ * unfortunately, to signal a poor man's mandatory extension that
+ * the server must understand or return 417 Expectation Failed.
+ */
+ if (ap_cstr_casecmp(expect, "100-continue") == 0) {
+ r->expecting_100 = 1;
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00570)
+ "client sent an unrecognized expectation value "
+ "of Expect: %s", expect);
+ r->status = HTTP_EXPECTATION_FAILED;
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
static int table_do_fn_check_lengths(void *r_, const char *key,
const char *value)
{
@@ -1256,16 +1349,10 @@ AP_DECLARE(void) ap_get_mime_headers(request_rec *r)
apr_brigade_destroy(tmp_bb);
}
-request_rec *ap_read_request(conn_rec *conn)
+AP_DECLARE(request_rec *) ap_create_request(conn_rec *conn)
{
request_rec *r;
apr_pool_t *p;
- const char *expect;
- int access_status;
- apr_bucket_brigade *tmp_bb;
- apr_socket_t *csd;
- apr_interval_time_t cur_timeout;
-
apr_pool_create(&p, conn->pool);
apr_pool_tag(p, "request");
@@ -1304,6 +1391,7 @@ request_rec *ap_read_request(conn_rec *conn)
r->read_body = REQUEST_NO_BODY;
r->status = HTTP_OK; /* Until further notice */
+ r->header_only = 0;
r->the_request = NULL;
/* Begin by presuming any module can make its own path_info assumptions,
@@ -1314,12 +1402,33 @@ request_rec *ap_read_request(conn_rec *conn)
r->useragent_addr = conn->client_addr;
r->useragent_ip = conn->client_ip;
+ return r;
+}
+
+/* Apply the server's timeout/config to the connection/request. */
+static void apply_server_config(request_rec *r)
+{
+ apr_socket_t *csd;
+
+ csd = ap_get_conn_socket(r->connection);
+ apr_socket_timeout_set(csd, r->server->timeout);
+
+ r->per_dir_config = r->server->lookup_defaults;
+}
+
+request_rec *ap_read_request(conn_rec *conn)
+{
+ int access_status;
+ apr_bucket_brigade *tmp_bb;
+
+ request_rec *r = ap_create_request(conn);
tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
ap_run_pre_read_request(r, conn);
/* Get the request... */
- if (!read_request_line(r, tmp_bb)) {
+ if (!read_request_line(r, tmp_bb) || !ap_parse_request_line(r)) {
+ apr_brigade_cleanup(tmp_bb);
switch (r->status) {
case HTTP_REQUEST_URI_TOO_LARGE:
case HTTP_BAD_REQUEST:
@@ -1335,49 +1444,38 @@ request_rec *ap_read_request(conn_rec *conn)
"request failed: malformed request line");
}
access_status = r->status;
- r->status = HTTP_OK;
- ap_die(access_status, r);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- r = NULL;
- apr_brigade_destroy(tmp_bb);
- goto traceout;
+ goto die_unusable_input;
+
case HTTP_REQUEST_TIME_OUT:
+ /* Just log, no further action on this connection. */
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, NULL);
if (!r->connection->keepalives)
ap_run_log_transaction(r);
- apr_brigade_destroy(tmp_bb);
- goto traceout;
- default:
- apr_brigade_destroy(tmp_bb);
- r = NULL;
- goto traceout;
+ break;
}
+ /* Not worth dying with. */
+ conn->keepalive = AP_CONN_CLOSE;
+ apr_pool_destroy(r->pool);
+ goto ignore;
}
+ apr_brigade_cleanup(tmp_bb);
/* We may have been in keep_alive_timeout mode, so toggle back
* to the normal timeout mode as we fetch the header lines,
* as necessary.
*/
- csd = ap_get_conn_socket(conn);
- apr_socket_timeout_get(csd, &cur_timeout);
- if (cur_timeout != conn->base_server->timeout) {
- apr_socket_timeout_set(csd, conn->base_server->timeout);
- cur_timeout = conn->base_server->timeout;
- }
+ apply_server_config(r);
if (!r->assbackwards) {
const char *tenc;
ap_get_mime_headers_core(r, tmp_bb);
+ apr_brigade_cleanup(tmp_bb);
if (r->status != HTTP_OK) {
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00567)
"request failed: error reading the headers");
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- apr_brigade_destroy(tmp_bb);
- goto traceout;
+ access_status = r->status;
+ goto die_unusable_input;
}
tenc = apr_table_get(r->headers_in, "Transfer-Encoding");
@@ -1393,13 +1491,8 @@ request_rec *ap_read_request(conn_rec *conn)
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02539)
"client sent unknown Transfer-Encoding "
"(%s): %s", tenc, r->uri);
- r->status = HTTP_BAD_REQUEST;
- conn->keepalive = AP_CONN_CLOSE;
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- apr_brigade_destroy(tmp_bb);
- goto traceout;
+ access_status = HTTP_BAD_REQUEST;
+ goto die_unusable_input;
}
/* http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-23
@@ -1412,88 +1505,81 @@ request_rec *ap_read_request(conn_rec *conn)
}
}
- apr_brigade_destroy(tmp_bb);
-
- /* update what we think the virtual host is based on the headers we've
- * now read. may update status.
- */
- ap_update_vhost_from_headers(r);
- access_status = r->status;
-
- /* Toggle to the Host:-based vhost's timeout mode to fetch the
- * request body and send the response body, if needed.
- */
- if (cur_timeout != r->server->timeout) {
- apr_socket_timeout_set(csd, r->server->timeout);
- cur_timeout = r->server->timeout;
- }
-
- /* we may have switched to another server */
- r->per_dir_config = r->server->lookup_defaults;
-
- if ((!r->hostname && (r->proto_num >= HTTP_VERSION(1, 1)))
- || ((r->proto_num == HTTP_VERSION(1, 1))
- && !apr_table_get(r->headers_in, "Host"))) {
- /*
- * Client sent us an HTTP/1.1 or later request without telling us the
- * hostname, either with a full URL or a Host: header. We therefore
- * need to (as per the 1.1 spec) send an error. As a special case,
- * HTTP/1.1 mentions twice (S9, S14.23) that a request MUST contain
- * a Host: header, and the server MUST respond with 400 if it doesn't.
- */
- access_status = HTTP_BAD_REQUEST;
- ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00569)
- "client sent HTTP/1.1 request without hostname "
- "(see RFC2616 section 14.23): %s", r->uri);
- }
-
/*
* Add the HTTP_IN filter here to ensure that ap_discard_request_body
* called by ap_die and by ap_send_error_response works correctly on
* status codes that do not cause the connection to be dropped and
* in situations where the connection should be kept alive.
*/
-
ap_add_input_filter_handle(ap_http_input_filter_handle,
NULL, r, r->connection);
- if (access_status != HTTP_OK
- || (access_status = ap_run_post_read_request(r))) {
- ap_die(access_status, r);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- r = NULL;
- goto traceout;
+ /* Validate Host/Expect headers and select vhost. */
+ if (!ap_check_request_header(r)) {
+ /* we may have switched to another server still */
+ apply_server_config(r);
+ access_status = r->status;
+ goto die_before_hooks;
}
- if (((expect = apr_table_get(r->headers_in, "Expect")) != NULL)
- && (expect[0] != '\0')) {
- /*
- * The Expect header field was added to HTTP/1.1 after RFC 2068
- * as a means to signal when a 100 response is desired and,
- * unfortunately, to signal a poor man's mandatory extension that
- * the server must understand or return 417 Expectation Failed.
- */
- if (strcasecmp(expect, "100-continue") == 0) {
- r->expecting_100 = 1;
- }
- else {
- r->status = HTTP_EXPECTATION_FAILED;
- ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00570)
- "client sent an unrecognized expectation value of "
- "Expect: %s", expect);
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- goto traceout;
- }
+ /* we may have switched to another server */
+ apply_server_config(r);
+
+ if ((access_status = ap_run_post_read_request(r))) {
+ goto die;
}
- AP_READ_REQUEST_SUCCESS((uintptr_t)r, (char *)r->method, (char *)r->uri, (char *)r->server->defn_name, r->status);
+ AP_READ_REQUEST_SUCCESS((uintptr_t)r, (char *)r->method,
+ (char *)r->uri, (char *)r->server->defn_name,
+ r->status);
+
return r;
- traceout:
+
+ /* Everything falls through on failure */
+
+die_unusable_input:
+ /* Input filters are in an undeterminate state, cleanup (including
+ * CORE_IN's socket) such that any further attempt to read is EOF.
+ */
+ {
+ ap_filter_t *f = conn->input_filters;
+ while (f) {
+ if (f->frec == ap_core_input_filter_handle) {
+ core_net_rec *net = f->ctx;
+ apr_brigade_cleanup(net->in_ctx->b);
+ break;
+ }
+ ap_remove_input_filter(f);
+ f = f->next;
+ }
+ conn->input_filters = r->input_filters = f;
+ conn->keepalive = AP_CONN_CLOSE;
+ }
+
+die_before_hooks:
+ /* First call to ap_die() (non recursive) */
+ r->status = HTTP_OK;
+
+die:
+ ap_die(access_status, r);
+
+ /* ap_die() sent the response through the output filters, we must now
+ * end the request with an EOR bucket for stream/pipeline accounting.
+ */
+ {
+ apr_bucket_brigade *eor_bb;
+ eor_bb = apr_brigade_create(conn->pool, conn->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(eor_bb,
+ ap_bucket_eor_create(conn->bucket_alloc, r));
+ ap_pass_brigade(conn->output_filters, eor_bb);
+ apr_brigade_cleanup(eor_bb);
+ }
+
+ignore:
+ r = NULL;
+
AP_READ_REQUEST_FAILURE((uintptr_t)r);
- return r;
+ return NULL;
}
/* if a request with a body creates a subrequest, remove original request's
diff --git a/server/vhost.c b/server/vhost.c
index b23b2dd..6e233b5 100644
--- a/server/vhost.c
+++ b/server/vhost.c
@@ -34,6 +34,7 @@
#include "http_vhost.h"
#include "http_protocol.h"
#include "http_core.h"
+#include "http_main.h"
#if APR_HAVE_ARPA_INET_H
#include <arpa/inet.h>
@@ -973,7 +974,13 @@ AP_DECLARE(int) ap_matches_request_vhost(request_rec *r, const char *host,
}
-static void check_hostalias(request_rec *r)
+/*
+ * Updates r->server from ServerName/ServerAlias. Per the interaction
+ * of ip and name-based vhosts, it only looks in the best match from the
+ * connection-level ip-based matching.
+ * Returns HTTP_BAD_REQUEST if there was no match.
+ */
+static int update_server_from_aliases(request_rec *r)
{
/*
* Even if the request has a Host: header containing a port we ignore
@@ -1050,11 +1057,18 @@ static void check_hostalias(request_rec *r)
goto found;
}
- return;
+ if (!r->connection->vhost_lookup_data) {
+ if (matches_aliases(r->server, host)) {
+ s = r->server;
+ goto found;
+ }
+ }
+ return HTTP_BAD_REQUEST;
found:
/* s is the first matching server, we're done */
r->server = s;
+ return HTTP_OK;
}
@@ -1071,7 +1085,7 @@ static void check_serverpath(request_rec *r)
* This is in conjunction with the ServerPath code in http_core, so we
* get the right host attached to a non- Host-sending request.
*
- * See the comment in check_hostalias about how each vhost can be
+ * See the comment in update_server_from_aliases about how each vhost can be
* listed multiple times.
*/
@@ -1134,11 +1148,17 @@ static APR_INLINE const char *construct_host_header(request_rec *r,
}
AP_DECLARE(void) ap_update_vhost_from_headers(request_rec *r)
+{
+ ap_update_vhost_from_headers_ex(r, 0);
+}
+
+AP_DECLARE(int) ap_update_vhost_from_headers_ex(request_rec *r, int require_match)
{
core_server_config *conf = ap_get_core_module_config(r->server->module_config);
const char *host_header = apr_table_get(r->headers_in, "Host");
int is_v6literal = 0;
int have_hostname_from_url = 0;
+ int rc = HTTP_OK;
if (r->hostname) {
/*
@@ -1151,8 +1171,8 @@ AP_DECLARE(void) ap_update_vhost_from_headers(request_rec *r)
else if (host_header != NULL) {
is_v6literal = fix_hostname(r, host_header, conf->http_conformance);
}
- if (r->status != HTTP_OK)
- return;
+ if (!require_match && r->status != HTTP_OK)
+ return HTTP_OK;
if (conf->http_conformance != AP_HTTP_CONFORMANCE_UNSAFE) {
/*
@@ -1173,10 +1193,16 @@ AP_DECLARE(void) ap_update_vhost_from_headers(request_rec *r)
/* check if we tucked away a name_chain */
if (r->connection->vhost_lookup_data) {
if (r->hostname)
- check_hostalias(r);
+ rc = update_server_from_aliases(r);
else
check_serverpath(r);
}
+ else if (require_match && r->hostname) {
+ /* check the base server config */
+ rc = update_server_from_aliases(r);
+ }
+
+ return rc;
}
/**
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