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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 17191] New: - Patch for mod_auth_digest to remove use of tmpnam
Date Wed, 19 Feb 2003 06:46:37 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=17191

Patch for mod_auth_digest to remove use of tmpnam

           Summary: Patch for mod_auth_digest to remove use of tmpnam
           Product: Apache httpd-2.0
           Version: HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: mod_auth_digest
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: chip@cyan.com


tmpnam is not good on win32 platforms.
I was changing it in mod_authn_mysql, and figured i could help fix
mod_auth_digest while i was at it.


--- mod_auth_digest.c	Tue Feb 18 22:25:50 2003
+++ mod_auth_digest.c.new	Tue Feb 18 22:36:31 2003
@@ -119,6 +119,7 @@
 #include "apr_shm.h"
 #include "apr_rmm.h"
 #include "ap_provider.h"
+#include "apr_file_io.h" /* for apr_file_mktemp */
 
 #include "mod_auth.h"
 
@@ -222,8 +223,8 @@
 static apr_time_t     *otn_counter;     /* one-time-nonce counter */
 static apr_global_mutex_t *client_lock = NULL;
 static apr_global_mutex_t *opaque_lock = NULL;
-static char           client_lock_name[L_tmpnam];
-static char           opaque_lock_name[L_tmpnam];
+static char           *client_lock_name;
+static char           *opaque_lock_name;
 
 #define DEF_SHMEM_SIZE  1000L           /* ~ 12 entries */
 #define DEF_NUM_BUCKETS 15L
@@ -304,10 +305,17 @@
 {
     unsigned long idx;
     apr_status_t   sts;
+    apr_file_t *tmpfile;
+    char *shm_create_name;
 
-    /* set up client list */
+    sts = apr_file_mktemp(&tmpfile, shm_create_name, 0, ctx);
+    if (sts != APR_SUCCESS) {
+        log_error_and_cleanup("failed to allocate temp file for shared memory
segments", sts, s);         
+        return;
+    }
 
-    sts = apr_shm_create(&client_shm, shmem_size, tmpnam(NULL), ctx);
+    /* set up client list */
+    sts = apr_shm_create(&client_shm, shmem_size, shm_create_name, ctx);
     if (sts != APR_SUCCESS) {
         log_error_and_cleanup("failed to create shared memory segments", sts, s);
         return;
@@ -326,9 +334,12 @@
     client_list->tbl_len     = num_buckets;
     client_list->num_entries = 0;
 
-    tmpnam(client_lock_name);
-    /* FIXME: get the client_lock_name from a directive so we're portable
-     * to non-process-inheriting operating systems, like Win32. */
+    sts = apr_file_mktemp(&tmpfile, client_lock_name, 0, ctx);
+    if (sts != APR_SUCCESS) {
+        log_error_and_cleanup("failed to allocate temp file for client
locking", sts, s);         
+        return;
+    }
+
     sts = apr_global_mutex_create(&client_lock, client_lock_name,
                                   APR_LOCK_DEFAULT, ctx);
     if (sts != APR_SUCCESS) {
@@ -346,9 +357,11 @@
     }
     *opaque_cntr = 1UL;
 
-    tmpnam(opaque_lock_name);
-    /* FIXME: get the opaque_lock_name from a directive so we're portable
-     * to non-process-inheriting operating systems, like Win32. */
+    sts = apr_file_mktemp(&tmpfile, opaque_lock_name, 0, ctx);
+    if(sts != APR_SUCCESS) {
+        log_error_and_cleanup("failed to allocate temp file for global
locking", sts, s);         
+        return;
+    }
     sts = apr_global_mutex_create(&opaque_lock, opaque_lock_name,
                                   APR_LOCK_DEFAULT, ctx);
     if (sts != APR_SUCCESS) {

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