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[core] check for path-info forward down path 

check for path-info forward down path rather than back from end of path
This commit is contained in:
Glenn Strauss 2018-01-06 22:23:51 -05:00
parent 76b9b1fa46
commit ec9e6abcb3
1 changed files with 17 additions and 28 deletions
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45
src/response.c
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@ -481,9 +481,7 @@ handler_t http_response_prepare(server *srv, connection *con) {
*/
if (con->mode == DIRECT) {
char *slash = NULL;
char *pathinfo = NULL;
int found = 0;
stat_cache_entry *sce = NULL;
if (con->conf.log_request_handling) {
@ -570,34 +568,24 @@ handler_t http_response_prepare(server *srv, connection *con) {
/* not found, perhaps PATHINFO */
buffer_copy_buffer(srv->tmp_buf, con->physical.path);
{
/*(might check at startup that s->document_root does not end in '/')*/
size_t len = buffer_string_length(con->physical.basedir);
if (len > 0 && '/' == con->physical.basedir->ptr[len-1]) --len;
pathinfo = con->physical.path->ptr + len;
if ('/' != *pathinfo) pathinfo = NULL;
}
do {
if (slash) {
buffer_copy_string_len(con->physical.path, srv->tmp_buf->ptr, slash - srv->tmp_buf->ptr);
} else {
buffer_copy_buffer(con->physical.path, srv->tmp_buf);
}
for (; pathinfo; pathinfo = strchr(pathinfo+1, '/')) {
handler_t rc;
*pathinfo = '\0';
rc = stat_cache_get_entry(srv, con, con->physical.path, &sce);
*pathinfo = '/';
if (HANDLER_ERROR == rc) { pathinfo = NULL; break; }
if (!S_ISDIR(sce->st.st_mode)) break;
}
if (HANDLER_ERROR != stat_cache_get_entry(srv, con, con->physical.path, &sce)) {
found = S_ISREG(sce->st.st_mode);
break;
}
if (pathinfo != NULL) {
*pathinfo = '\0';
}
slash = strrchr(srv->tmp_buf->ptr, '/');
if (pathinfo != NULL) {
/* restore '/' */
*pathinfo = '/';
}
if (slash) pathinfo = slash;
} while ((found == 0) && (slash != NULL) && ((size_t)(slash - srv->tmp_buf->ptr) > (buffer_string_length(con->physical.basedir) - 1)));
if (found == 0) {
if (NULL == pathinfo || !S_ISREG(sce->st.st_mode)) {
/* no it really doesn't exists */
con->http_status = 404;
@ -646,6 +634,7 @@ handler_t http_response_prepare(server *srv, connection *con) {
*/
buffer_string_set_length(con->uri.path, buffer_string_length(con->uri.path) - len);
buffer_string_set_length(con->physical.path, (size_t)(pathinfo - con->physical.path->ptr));
}
if (con->conf.log_request_handling) {