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From ge...@apache.org
Subject cvs commit: apache-1.3/src/modules/standard mod_so.c
Date Wed, 08 Sep 2004 13:35:12 GMT
geoff       2004/09/08 06:35:12

  Modified:    src      CHANGES
               src/modules/standard mod_so.c
  Log:
  Trigger an error when a LoadModule directive attempts to
  load a module which is built-in.  This is a common error when
  switching from a DSO build to a static build.
  
  Revision  Changes    Path
  1.1954    +5 -0      apache-1.3/src/CHANGES
  
  Index: CHANGES
  ===================================================================
  RCS file: /home/cvs/apache-1.3/src/CHANGES,v
  retrieving revision 1.1953
  retrieving revision 1.1954
  diff -u -r1.1953 -r1.1954
  --- CHANGES	2 Sep 2004 09:37:38 -0000	1.1953
  +++ CHANGES	8 Sep 2004 13:35:12 -0000	1.1954
  @@ -1,5 +1,10 @@
   Changes with Apache 1.3.32
   
  +  *) Trigger an error when a LoadModule directive attempts to
  +     load a module which is built-in.  This is a common error when
  +     switching from a DSO build to a static build.
  +     [Jeff Trawick, Geoffrey Young]
  +
     *) Fix trivial bug in mod_log_forensic that caused the child
        to seg fault when certain invalid requests were fired at it with
        forensic logging is enabled.  PR 29313.
  
  
  
  1.43      +40 -0     apache-1.3/src/modules/standard/mod_so.c
  
  Index: mod_so.c
  ===================================================================
  RCS file: /home/cvs/apache-1.3/src/modules/standard/mod_so.c,v
  retrieving revision 1.42
  retrieving revision 1.43
  diff -u -r1.42 -r1.43
  --- mod_so.c	20 Feb 2004 20:38:27 -0000	1.42
  +++ mod_so.c	8 Sep 2004 13:35:12 -0000	1.43
  @@ -182,6 +182,7 @@
       /* 
        * check for already existing module
        * If it already exists, we have nothing to do 
  +     * Check both dynamically-loaded modules and statically-linked modules.
        */
       sconf = (so_server_conf *)ap_get_module_config(cmd->server->module_config, 
   	                                        &so_module);
  @@ -194,6 +195,45 @@
               return NULL;
           }
       }
  +
  +    for (i = 0; ap_preloaded_modules[i]; i++) {
  +        const char *preload_name;
  +        size_t preload_len;
  +        size_t thismod_len;
  +
  +        modp = ap_preloaded_modules[i];
  +
  +        /* make sure we're comparing apples with apples
  +         * make sure name of preloaded module is mod_FOO.c
  +         * make sure name of structure being loaded is FOO_module
  +         */
  +
  +        if (memcmp(modp->name, "mod_", 4)) {
  +            continue;
  +        }
  +
  +        preload_name = modp->name + strlen("mod_");
  +        preload_len = strlen(preload_name) - 2;
  +
  +        if (strlen(modname) <= strlen("_module")) {
  +            continue;
  +        }
  +        thismod_len = strlen(modname) - strlen("_module");
  +        if (strcmp(modname + thismod_len, "_module")) {
  +            continue;
  +        }
  +
  +        if (thismod_len != preload_len) {
  +            continue;
  +        }
  +
  +        if (!memcmp(modname, preload_name, preload_len)) {
  +            return ap_pstrcat(cmd->pool, "module ", modname,
  +                              " is built-in and can't be loaded",
  +                              NULL);
  +        }
  +    }
  +
       modi = ap_push_array(sconf->loaded_modules);
       modi->name = modname;
   
  
  
  

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