/*
* Canonicalize scgi-like URLs.
*/
static int scgi_canon(request_rec *r, char *url)
{
char *host, sport[sizeof(":65535")];
const char *err, *path;
apr_port_t port = SCGI_DEFAULT_PORT;
if (strncasecmp(url, SCHEME "://", sizeof(SCHEME) + 2)) {
return DECLINED;
}
url += sizeof(SCHEME); /* Keep slashes */
err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
if (err) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"error parsing URL %s: %s", url, err);
return HTTP_BAD_REQUEST;
}
apr_snprintf(sport, sizeof(sport), ":%u", port);
if (ap_strchr(host, ':')) { /* if literal IPv6 address */
host = apr_pstrcat(r->pool, "[", host, "]", NULL);
}
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
if (!path) {
return HTTP_BAD_REQUEST;
}
r->filename = apr_pstrcat(r->pool, "proxy:" SCHEME "://", host, sport, "/",
path, NULL);
r->path_info = apr_pstrcat(r->pool, "/", path, NULL);
return OK;
}
/*
* Canonicalise http-like URLs.
* scheme is the scheme for the URL
* url is the URL starting with the first '/'
* def_port is the default port for this scheme.
*/
static int proxy_ajp_canon(request_rec *r, char *url)
{
char *host, *path, sport[7];
char *search = NULL;
const char *err;
apr_port_t port = AJP13_DEF_PORT;
/* ap_port_of_scheme() */
if (strncasecmp(url, "ajp:", 4) == 0) {
url += 4;
}
else {
return DECLINED;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: AJP: canonicalising URL %s", url);
/*
* do syntactic check.
* We break the URL into host, port, path, search
*/
err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
if (err) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"error parsing URL %s: %s",
url, err);
return HTTP_BAD_REQUEST;
}
/*
* now parse path/search args, according to rfc1738:
* process the path. With proxy-noncanon set (by
* mod_proxy) we use the raw, unparsed uri
*/
if (apr_table_get(r->notes, "proxy-nocanon")) {
path = url; /* this is the raw path */
}
else {
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
search = r->args;
}
if (path == NULL)
return HTTP_BAD_REQUEST;
apr_snprintf(sport, sizeof(sport), ":%d", port);
if (ap_strchr_c(host, ':')) {
/* if literal IPv6 address */
host = apr_pstrcat(r->pool, "[", host, "]", NULL);
}
r->filename = apr_pstrcat(r->pool, "proxy:ajp://", host, sport,
"/", path, (search) ? "?" : "",
(search) ? search : "", NULL);
return OK;
}
static int proxy_balancer_canon(request_rec *r, char *url)
{
char *host, *path;
char *search = NULL;
const char *err;
apr_port_t port = 0;
if (strncasecmp(url, "balancer:", 9) == 0) {
url += 9;
}
else {
return DECLINED;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: BALANCER: canonicalising URL %s", url);
/* do syntatic check.
* We break the URL into host, port, path, search
*/
err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
if (err) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"error parsing URL %s: %s",
url, err);
return HTTP_BAD_REQUEST;
}
/*
* now parse path/search args, according to rfc1738:
* process the path. With proxy-noncanon set (by
* mod_proxy) we use the raw, unparsed uri
*/
if (apr_table_get(r->notes, "proxy-nocanon")) {
path = url; /* this is the raw path */
}
else {
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
search = r->args;
}
if (path == NULL)
return HTTP_BAD_REQUEST;
r->filename = apr_pstrcat(r->pool, "proxy:balancer://", host,
"/", path, (search) ? "?" : "", (search) ? search : "", NULL);
return OK;
}
/*
* Canonicalise http-like URLs.
* scheme is the scheme for the URL
* url is the URL starting with the first '/'
* def_port is the default port for this scheme.
*/
int ap_proxy_http_canon(request_rec *r, char *url, const char *scheme, int def_port)
{
char *host, *path, *search, sport[7];
const char *err;
int port;
/*
* do syntatic check. We break the URL into host, port, path, search
*/
port = def_port;
err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
if (err)
return HTTP_BAD_REQUEST;
/* now parse path/search args, according to rfc1738 */
/*
* N.B. if this isn't a true proxy request, then the URL _path_ has
* already been decoded. True proxy requests have r->uri ==
* r->unparsed_uri, and no others have that property.
*/
if (r->uri == r->unparsed_uri) {
search = strchr(url, '?');
if (search != NULL)
*(search++) = '\0';
}
else
search = r->args;
/* process path */
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path,
r->proxyreq);
if (path == NULL)
return HTTP_BAD_REQUEST;
if (port != def_port)
ap_snprintf(sport, sizeof(sport), ":%d", port);
else
sport[0] = '\0';
r->filename = ap_pstrcat(r->pool, "proxy:", scheme, "://", host, sport, "/",
path, (search) ? "?" : "", (search) ? search : "", NULL);
return OK;
}
/*
* Canonicalise http-like URLs.
* scheme is the scheme for the URL
* url is the URL starting with the first '/'
* def_port is the default port for this scheme.
*/
static int proxy_fcgi_canon(request_rec *r, char *url)
{
char *host, sport[7];
const char *err;
char *path;
apr_port_t port, def_port;
fcgi_req_config_t *rconf = NULL;
const char *pathinfo_type = NULL;
if (strncasecmp(url, "fcgi:", 5) == 0) {
url += 5;
}
else {
return DECLINED;
}
port = def_port = ap_proxy_port_of_scheme("fcgi");
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
"canonicalising URL %s", url);
err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
if (err) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01059)
"error parsing URL %s: %s", url, err);
return HTTP_BAD_REQUEST;
}
if (port != def_port)
apr_snprintf(sport, sizeof(sport), ":%d", port);
else
sport[0] = '\0';
if (ap_strchr_c(host, ':')) {
/* if literal IPv6 address */
host = apr_pstrcat(r->pool, "[", host, "]", NULL);
}
if (apr_table_get(r->notes, "proxy-nocanon")) {
path = url; /* this is the raw path */
}
else {
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
r->proxyreq);
}
if (path == NULL)
return HTTP_BAD_REQUEST;
r->filename = apr_pstrcat(r->pool, "proxy:fcgi://", host, sport, "/",
path, NULL);
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01060)
"set r->filename to %s", r->filename);
rconf = ap_get_module_config(r->request_config, &proxy_fcgi_module);
if (rconf == NULL) {
rconf = apr_pcalloc(r->pool, sizeof(fcgi_req_config_t));
ap_set_module_config(r->request_config, &proxy_fcgi_module, rconf);
}
if (NULL != (pathinfo_type = apr_table_get(r->subprocess_env, "proxy-fcgi-pathinfo"))) {
/* It has to be on disk for this to work */
if (!strcasecmp(pathinfo_type, "full")) {
rconf->need_dirwalk = 1;
ap_unescape_url_keep2f(path, 0);
}
else if (!strcasecmp(pathinfo_type, "first-dot")) {
char *split = ap_strchr(path, '.');
if (split) {
char *slash = ap_strchr(split, '/');
if (slash) {
r->path_info = apr_pstrdup(r->pool, slash);
ap_unescape_url_keep2f(r->path_info, 0);
*slash = '\0'; /* truncate path */
}
}
}
else if (!strcasecmp(pathinfo_type, "last-dot")) {
char *split = ap_strrchr(path, '.');
if (split) {
char *slash = ap_strchr(split, '/');
if (slash) {
r->path_info = apr_pstrdup(r->pool, slash);
ap_unescape_url_keep2f(r->path_info, 0);
*slash = '\0'; /* truncate path */
}
}
}
else {
/* before proxy-fcgi-pathinfo had multi-values. This requires the
* the FCGI server to fixup PATH_INFO because it's the entire path
*/
r->path_info = apr_pstrcat(r->pool, "/", path, NULL);
if (!strcasecmp(pathinfo_type, "unescape")) {
ap_unescape_url_keep2f(r->path_info, 0);
}
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01061)
"set r->path_info to %s", r->path_info);
}
}
return OK;
}
