[isf-wifidog] Re-open bug ticket 471

[Jean-Philippe Menil]

Hi,
i've no right to reopen the bug ticket number 471.
The workaround provide in this ticket fix the problem.
But now, in some rarly times, wifidog segfault.
Here is the relvant trace:

Core was generated by `/usr/bin/wifidog -s -c /etc/wifidog/XX.conf -w 
/tmp/wdctl-XX.sock'.
Program terminated with signal 11, Segmentation fault.
[New process 8650]
[New process 8651]
[New process 8652]
[New process 8656]
[New process 8654]
[New process 10017]
[New process 8657]
[New process 10019]
[New process 8659]
[New process 8655]
[New process 8658]
[New process 10018]
[New process 8653]
[New process 9906]
#0  0x00007f1f30def82c in httpdReadRequest (server=0x143a170, 
r=0x7f1f200072d0) at api.c:493.
493                    if (strncmp(cp,"Basic ", 6) != 0)
(gdb) where
#0  0x00007f1f30def82c in httpdReadRequest (server=0x143a170, 
r=0x7f1f200072d0) at api.c:493
#1  0x000000000040b41a in thread_httpd (args=<value optimized out>) at 
httpd_thread.c:61
#2  0x00007f1f309bd73a in pthread_create@@GLIBC_2.2.5 () from 
/lib/libpthread.so.0
#3  0x0000000000000000 in ?? ()

I can't reproduce it, as i can't reproduce the bug above.

Any advice to fix it?

Thnaks.
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