bugGNU Wget - Bugs: bug #50219, ftp.c calls abort() under certain...


bug #50219: ftp.c calls abort() under certain error conditions

Submitted by:  Tim Ruehsen <rockdaboot>
Submitted on:  Fri 03 Feb 2017 10:40:55 AM UTC  
Category:  Program Logic Severity:  3 - Normal
Priority:  5 - Normal Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  trunk Operating System:  None
Reproducibility:  None Fixed Release:  None
Planned Release:  None Regression:  None
Work Required:  1 - Days Patch Included:  None

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Fri 03 Feb 2017 10:40:55 AM UTC, original submission:

A potential long runner like Wget should never call abort().

In src/ftp.c are some switch() with incomplete testing and defaulting to call abort(). This may stop Wget randomly.

ftp.c, L585+:
err = ftp_syst ...
switch (err)...

'err' may become WRITEFAILED on write errors. This is not cased by the switch and would got into the default case that calls abort().

Never call abort(). Instead print a precise error message and return the error to the calling function.

Tim Ruehsen <rockdaboot>
Project Administrator


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