This patch can be applied to Apache 1.3.2 to fix a problem with
htaccess checks.  The fix is valid for all systems, but the bug
is only visible while using PHP 3.04 on Linux.

....Roy Fielding

Index: http_config.c
===================================================================
RCS file: /home/cvs/apache-1.3/src/main/http_config.c,v
retrieving revision 1.127
retrieving revision 1.134
diff -u -r1.127 -r1.134
--- http_config.c	1998/09/19 21:54:57	1.127
+++ http_config.c	1998/09/26 00:07:08	1.134
@@ -1206,7 +1206,7 @@
     char *filename = NULL;
     const struct htaccess_result *cache;
     struct htaccess_result *new;
-    void *dc;
+    void *dc = NULL;
 
 /* firstly, search cache */
     for (cache = r->htaccess; cache != NULL; cache = cache->next)
@@ -1224,41 +1224,39 @@
     parms.path = ap_pstrdup(r->pool, d);
 
     /* loop through the access names and find the first one */
-    while (!f && access_name[0]) {
-	char *w = ap_getword_conf(r->pool, &access_name);
-	filename = ap_make_full_path(r->pool, d, w);
-	f = ap_pcfg_openfile(r->pool, filename);
-    }
-    if (f) {
-	dc = ap_create_per_dir_config(r->pool);
-
-	parms.config_file = f;
-
-	errmsg = ap_srm_command_loop(&parms, dc);
-
-	ap_cfg_closefile(f);
-
-	if (errmsg) {
-	    ap_log_rerror(APLOG_MARK, APLOG_ALERT|APLOG_NOERRNO, r, "%s: %s",
-                        filename, errmsg);
-	    ap_table_setn(r->notes, "error-notes", errmsg);
-            return HTTP_INTERNAL_SERVER_ERROR;
-	}
 
-	*result = dc;
-    }
-    else {
-	if (errno == ENOENT || errno == ENOTDIR)
-	    dc = NULL;
-	else {
-	    ap_log_rerror(APLOG_MARK, APLOG_CRIT, r,
-			"%s pcfg_openfile: unable to check htaccess file, ensure it is readable",
-			filename);
-	    ap_table_setn(r->notes, "error-notes",
-			  "Server unable to read htaccess file, denying "
-			  "access to be safe");
-	    return HTTP_FORBIDDEN;
-	}
+    while (access_name[0]) {
+        filename = ap_make_full_path(r->pool, d,
+                                     ap_getword_conf(r->pool, &access_name));
+
+        if ((f = ap_pcfg_openfile(r->pool, filename)) != NULL) {
+
+            dc = ap_create_per_dir_config(r->pool);
+
+            parms.config_file = f;
+
+            errmsg = ap_srm_command_loop(&parms, dc);
+
+            ap_cfg_closefile(f);
+
+            if (errmsg) {
+                ap_log_rerror(APLOG_MARK, APLOG_ALERT|APLOG_NOERRNO, r,
+                              "%s: %s", filename, errmsg);
+                return HTTP_INTERNAL_SERVER_ERROR;
+            }
+            *result = dc;
+            break;
+        }
+        else if (errno != ENOENT && errno != ENOTDIR) {
+            ap_log_rerror(APLOG_MARK, APLOG_CRIT, r,
+                          "%s pcfg_openfile: unable to check htaccess file, "
+                          "ensure it is readable",
+                          filename);
+            ap_table_setn(r->notes, "error-notes",
+                          "Server unable to read htaccess file, denying "
+                          "access to be safe");
+            return HTTP_FORBIDDEN;
+        }
     }
 
 /* cache it */
Index: alloc.c
===================================================================
RCS file: /home/cvs/apache-1.3/src/main/alloc.c,v
retrieving revision 1.99
retrieving revision 1.100
diff -u -r1.99 -r1.100
--- alloc.c	1998/08/14 02:49:47	1.99
+++ alloc.c	1998/09/25 23:01:49	1.100
@@ -1744,6 +1744,7 @@
     FILE *fd = NULL;
     int baseFlag, desc;
     int modeFlags = 0;
+    int saved_errno;
 
 #ifdef WIN32
     modeFlags = _S_IREAD | _S_IWRITE;
@@ -1766,22 +1767,26 @@
     else {
 	fd = fopen(name, mode);
     }
-
+    saved_errno = errno;
     if (fd != NULL)
 	ap_note_cleanups_for_file(a, fd);
     ap_unblock_alarms();
+    errno = saved_errno;
     return fd;
 }
 
 API_EXPORT(FILE *) ap_pfdopen(pool *a, int fd, const char *mode)
 {
     FILE *f;
+    int saved_errno;
 
     ap_block_alarms();
     f = ap_fdopen(fd, mode);
+    saved_errno = errno;
     if (f != NULL)
 	ap_note_cleanups_for_file(a, f);
     ap_unblock_alarms();
+    errno = saved_errno;
     return f;
 }
 
Index: util.c
===================================================================
RCS file: /home/cvs/apache-1.3/src/main/util.c,v
retrieving revision 1.133
retrieving revision 1.134
diff -u -r1.133 -r1.134
--- util.c	1998/09/17 15:56:08	1.133
+++ util.c	1998/09/25 23:01:49	1.134
@@ -738,6 +738,7 @@
     poolfile_t *new_pfile;
     FILE *file;
     struct stat stbuf;
+    int saved_errno;
 
     if (name == NULL) {
         ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, NULL,
@@ -747,9 +748,11 @@
 
     file = ap_pfopen(p, name, "r");
 #ifdef DEBUG
+    saved_errno = errno;
     ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, NULL,
                 "Opening config file %s (%s)",
                 name, (file == NULL) ? strerror(errno) : "successful");
+    errno = saved_errno;
 #endif
     if (file == NULL)
         return NULL;
@@ -761,10 +764,12 @@
 #else
         strcmp(name, "/dev/null") != 0) {
 #endif
+	saved_errno = errno;
         ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, NULL,
                     "Access to file %s denied by server: not a regular file",
                     name);
         ap_pfclose(p, file);
+	errno = saved_errno;
         return NULL;
     }