From: Jim Jagielski <jim@apache.org>
Date: Wed, 5 Mar 2008 15:44:44 +0000 (+0000)
Subject: Merge r632730, r633791 from trunk:
X-Git-Tag: 2.2.9~328
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb663510ed0ff04f19a6d18bcfff18789bc220ba;p=thirdparty%2Fapache%2Fhttpd.git

Merge r632730, r633791 from trunk:

mod_rewrite: Check all files used by DBM maps for freshness, mod_rewrite
didn't pick up on updated sdbm maps due to this.
PR41190 [Niklas Edmundsson]

NOTE: Only tested on httpd-2.2.8.



* Add checkfile2 at the end of the struct and not in the middle of the struct.

Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@633885 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/CHANGES b/CHANGES
index 74418d2447c..205562c2a49 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,10 @@
                                                          -*- coding: utf-8 -*-
 Changes with Apache 2.2.9
 
+  *) mod_rewrite: Check all files used by DBM maps for freshness, mod_rewrite
+     didn't pick up on updated sdbm maps due to this.
+     PR41190 [Niklas Edmundsson]
+
   *) Don't add bogus duplicate Content-Language entries
      PR 11035 [Davi Arnaut]
 
diff --git a/STATUS b/STATUS
index 3202d20f423..8aa206174c5 100644
--- a/STATUS
+++ b/STATUS
@@ -81,13 +81,6 @@ RELEASE SHOWSTOPPERS:
 PATCHES ACCEPTED TO BACKPORT FROM TRUNK:
   [ start all new proposals below, under PATCHES PROPOSED. ]
 
- * mod_rewrite: Stat all files for DBM maps (PR41190)
-    Trunk version of patch: 
-      http://svn.apache.org/viewvc?rev=632730&view=rev
-      http://svn.apache.org/viewvc?rev=633791&view=rev
-    Backport version for 2.2.x of patch:
-      Trunk version of patch should work (modulo CHANGES).
-   +1: nikke, rpluem, jim
 
 PATCHES PROPOSED TO BACKPORT FROM TRUNK:
   [ New proposals should be added at the end of the list ]
diff --git a/modules/mappers/mod_rewrite.c b/modules/mappers/mod_rewrite.c
index b3f8bdc75a7..ed2f5323e94 100644
--- a/modules/mappers/mod_rewrite.c
+++ b/modules/mappers/mod_rewrite.c
@@ -227,6 +227,8 @@ typedef struct {
     char *(*func)(request_rec *,   /* function pointer for internal maps  */
                   char *);
     char **argv;                   /* argv of the external rewrite map    */
+    const char *checkfile2;        /* filename to check for map existence
+                                      NULL if only one file               */
 } rewritemap_entry;
 
 /* special pattern types for RewriteCond */
@@ -1551,6 +1553,21 @@ static char *lookup_map(request_rec *r, char *name, char *key)
             ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
                           "mod_rewrite: can't access DBM RewriteMap file %s",
                           s->checkfile);
+        }
+        else if(s->checkfile2 != NULL) {
+            apr_finfo_t st2;
+
+            rv = apr_stat(&st2, s->checkfile2, APR_FINFO_MIN, r->pool);
+            if (rv != APR_SUCCESS) {
+                ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
+                              "mod_rewrite: can't access DBM RewriteMap "
+                              "file %s", s->checkfile2);
+            }
+            else if(st2.mtime > st.mtime) {
+                st.mtime = st2.mtime;
+            }
+        }
+        if(rv != APR_SUCCESS) {
             rewritelog((r, 1, NULL,
                         "can't open DBM RewriteMap file, see error log"));
             return NULL;
@@ -2822,6 +2839,7 @@ static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, const char *a1,
         newmap->type      = MAPTYPE_TXT;
         newmap->datafile  = fname;
         newmap->checkfile = fname;
+        newmap->checkfile2= NULL;
         newmap->cachename = apr_psprintf(cmd->pool, "%pp:%s",
                                          (void *)cmd->server, a1);
     }
@@ -2834,11 +2852,11 @@ static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, const char *a1,
         newmap->type      = MAPTYPE_RND;
         newmap->datafile  = fname;
         newmap->checkfile = fname;
+        newmap->checkfile2= NULL;
         newmap->cachename = apr_psprintf(cmd->pool, "%pp:%s",
                                          (void *)cmd->server, a1);
     }
     else if (strncasecmp(a2, "dbm", 3) == 0) {
-        const char *ignored_fname;
         apr_status_t rv;
 
         newmap->type = MAPTYPE_DBM;
@@ -2873,7 +2891,7 @@ static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, const char *a1,
 
         rv = apr_dbm_get_usednames_ex(cmd->pool, newmap->dbmtype,
                                       newmap->datafile, &newmap->checkfile,
-                                      &ignored_fname);
+                                      &newmap->checkfile2);
         if (rv != APR_SUCCESS) {
             return apr_pstrcat(cmd->pool, "RewriteMap: dbm type ",
                                newmap->dbmtype, " is invalid", NULL);
@@ -2892,12 +2910,14 @@ static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, const char *a1,
         newmap->type      = MAPTYPE_PRG;
         newmap->datafile  = NULL;
         newmap->checkfile = newmap->argv[0];
+        newmap->checkfile2= NULL;
         newmap->cachename = NULL;
     }
     else if (strncasecmp(a2, "int:", 4) == 0) {
         newmap->type      = MAPTYPE_INT;
         newmap->datafile  = NULL;
         newmap->checkfile = NULL;
+        newmap->checkfile2= NULL;
         newmap->cachename = NULL;
         newmap->func      = (char *(*)(request_rec *,char *))
                             apr_hash_get(mapfunc_hash, a2+4, strlen(a2+4));
@@ -2915,6 +2935,7 @@ static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, const char *a1,
         newmap->type      = MAPTYPE_TXT;
         newmap->datafile  = fname;
         newmap->checkfile = fname;
+        newmap->checkfile2= NULL;
         newmap->cachename = apr_psprintf(cmd->pool, "%pp:%s",
                                          (void *)cmd->server, a1);
     }