Req #21032 [Fbk->NoF]: move_uploaded_file() behavior gives inconsistant file permissions

From: Date: Tue, 30 Dec 2014 10:41:16 +0000
Subject: Req #21032 [Fbk->NoF]: move_uploaded_file() behavior gives inconsistant file permissions
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=21032&edit=1 ID: 21032 Updated by: php-bugs@lists.php.net Reported by: tcarter at noggin dot com dot au Summary: move_uploaded_file() behavior gives inconsistant file permissions -Status: Feedback +Status: No Feedback Type: Feature/Change Request Package: *General Issues Operating System: Redhat Linux PHP Version: 4.2.3 Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2014-04-16 18:00:03] levim@php.net When moving to a new filesystem, what if you don't the permission to change the permissions? ------------------------------------------------------------------------ [2003-06-12 01:11:36] pprocacci at datapipe dot com I am by no means a c programmer, but if php streams are implemented the way I think they are, then the following patch might prove useful. Don't blame me if it doesn't work ;P This patch is obviously and completly untested. src and dest in _php_stream_copy_to_stream are already open stream, so in theory, this should work. Correct me if I'm wrong. I'm always willing to know why it wouldn't ;P main/streams.c --- streams.c.bak Thu Jun 12 02:14:11 2003 +++ streams.c Thu Jun 12 02:13:08 2003 @@ -1152,6 +1152,7 @@ size_t readchunk; size_t haveread = 0; size_t didread; + struct stat sb; #if HAVE_MMAP int srcfd; #endif @@ -1224,7 +1225,7 @@ } } else { if (maxlen == 0) { - return haveread; + goto ENDF; } else { return 0; /* error */ } @@ -1234,6 +1235,9 @@ break; } } + ENDF: + if(fstat(src, &sb) != -1) + fchmod(dest, st.st_mode & ~(S_ISUID | S_ISGID)); return haveread; } ------------------------------------------------------------------------ [2002-12-15 17:35:21] tcarter at noggin dot com dot au move_uploaded_file() preserves permissions when the source & destination are on the same filesystem, but if they are on different filesystems sets them to (0777 & ~umask). In ext/standard/basic_functions.c move_uploaded_file() tries to use rename() which preserves permissions, but if that fails it uses php_copy_file() then unlink() which does not preserve the permissions. I believe that the behaviour should be consistant whether the source and destination are on the same filesystem or not (eg if php_copy_file() is used the destination should be chmod()ed to match the source's permissions after the copy) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=21032&edit=1

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