From 7b12bfc7fe4f2b1a074f6818638c77b949d4acd9 Mon Sep 17 00:00:00 2001
From: Graham Leggett <minfrin@apache.org>
Date: Sat, 22 Apr 2023 18:10:30 +0000
Subject: core: Restore original regex value when nesting Location, Directory
 and File directives.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1909356 13f79535-47bb-0310-9956-ffa450edef68
---
 server/core.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/server/core.c b/server/core.c
index 4c4715c684..7c9b250b7f 100644
--- a/server/core.c
+++ b/server/core.c
@@ -2513,6 +2513,7 @@ static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
     const char *endp = ap_strrchr_c(arg, '>');
     int old_overrides = cmd->override;
     char *old_path = cmd->path;
+    ap_regex_t *old_regex = cmd->regex;
     core_dir_config *conf;
     ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
     const command_rec *thiscmd = cmd->cmd;
@@ -2556,6 +2557,8 @@ static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
         int run_mode = ap_state_query(AP_SQ_RUN_MODE);
         char *newpath;
 
+        cmd->regex = NULL;
+
         /*
          * Ensure that the pathname is canonical, and append the trailing /
          */
@@ -2614,6 +2617,7 @@ static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
 
     cmd->path = old_path;
     cmd->override = old_overrides;
+    cmd->regex = old_regex;
 
     return NULL;
 }
@@ -2624,6 +2628,7 @@ static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
     const char *endp = ap_strrchr_c(arg, '>');
     int old_overrides = cmd->override;
     char *old_path = cmd->path;
+    ap_regex_t *old_regex = cmd->regex;
     core_dir_config *conf;
     const command_rec *thiscmd = cmd->cmd;
     ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
@@ -2658,6 +2663,9 @@ static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
             return "Regex could not be compiled";
         }
     }
+    else {
+        cmd->regex = NULL;
+    }
 
     /* initialize our config and fetch it */
     conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
@@ -2685,6 +2693,7 @@ static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
 
     cmd->path = old_path;
     cmd->override = old_overrides;
+    cmd->regex = old_regex;
 
     return NULL;
 }
@@ -2695,6 +2704,7 @@ static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
     const char *endp = ap_strrchr_c(arg, '>');
     int old_overrides = cmd->override;
     char *old_path = cmd->path;
+    ap_regex_t *old_regex = cmd->regex;
     core_dir_config *conf;
     const command_rec *thiscmd = cmd->cmd;
     ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
@@ -2736,6 +2746,9 @@ static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
     }
     else {
         char *newpath;
+
+        cmd->regex = NULL;
+
         /* Ensure that the pathname is canonical, but we
          * can't test the case/aliases without a fixed path */
         if (apr_filepath_merge(&newpath, "", cmd->path,
@@ -2771,6 +2784,7 @@ static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
 
     cmd->path = old_path;
     cmd->override = old_overrides;
+    cmd->regex = old_regex;
 
     return NULL;
 }
-- 
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