The sips tool suddenly stopped working when called from Apache
| Originator: | dgatwood42 | ||
| Number: | rdar://17020383 | Date Originated: | 23-May-2014 |
| Status: | Duplicate of 16880048 (Open) | Resolved: | |
| Product: | OS X | Product Version: | 10.9.2/13C1021 |
| Classification: | Crash/Hang/Data Loss | Reproducible: | Always |
Summary:
In 10.9.2 and later with the latest Camera RAW, sips no longer works when run from a CGI script. As a result, you've completely broken my website.
Steps to Reproduce:
Use the sips command-line tool to process an image from a Canon 6D and convert it into a JPEG file:
/usr/bin/sips -s format jpeg --rotate 0 /path/to/filename.CR2 --out /path/to/filename.jpg
Now repeat that from a PHP script on your webserver:
<?php
system("/usr/bin/sips -s format jpeg --rotate 0 /path/to/filename.CR2 --out /path/to/filename.jpg");
?>
Expected Results:
I expected sips to process the image, just as it has since I started using it back in OS X v10.5.
Actual Results:
CVMServer crashes, with the attached crash logs. The sips process then returns:
/path/to/IMG_9049.CR2 Error: Failed to build program executable: table_calc setUpNoiseOpenCLEnvironment: compileOpenCLPrograms failed /path/to/IMG_9049.jpg
Version:
Occurs in both 10.9.2 and 10.9.3. Did not occur when I processed content in March, so is either a 10.9.2 regression or a very recent Camera Raw regression.
Notes:
Configuration:
Hardware Overview:
Model Name: Mac mini
Model Identifier: Macmini4,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.66 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 3 MB
Memory: 4 GB
Bus Speed: 1.07 GHz
Boot ROM Version: MM41.0042.B03
SMC Version (system): 1.65f2
Serial Number (system): C07DR0CUDD6K
Hardware UUID: 2BD0BEEC-CA6D-53D1-A9B0-E165697B4F2F
Attachments:
'CVMServer_2014-05-23-095044_brmini.crash' was successfully uploaded.
Comments
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After further investigation...
After a lot of digging, I realized that the crash long contained a very poorly worded hint about what was wrong. It turns out that sips can't run as the "nobody" user for some reason. Changing the web server user to _www (and fixing a lot of ownership issues as a result) avoids the crash.