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Limit the number of simultanious children

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Make sure minidlna cannot fork more than 5 children, to avoid becoming a
fork bomb.

Reported-by: Rinat Ibragimov <ibragimovrinat@mail.ru>
This commit is contained in:
Benoît Knecht
2013-06-13 23:23:21 +02:00
parent 862f6b986c
commit 3995cbdac4
5 changed files with 117 additions and 75 deletions
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13
upnphttp.c
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@ -78,6 +78,7 @@
#include "tivo_utils.h"
#include "tivo_commands.h"
#include "clients.h"
#include "process.h"
#include "sendfile.h"
@ -1574,8 +1575,8 @@ SendResp_resizedimg(struct upnphttp * h, char * object)
#if USE_FORK
pid_t newpid = 0;
newpid = fork();
if( newpid )
newpid = process_fork();
if( newpid > 0 )
{
CloseSocket_upnphttp(h);
goto resized_error;
@ -1716,7 +1717,7 @@ SendResp_resizedimg(struct upnphttp * h, char * object)
resized_error:
sqlite3_free_table(result);
#if USE_FORK
if( !newpid )
if( newpid == 0 )
_exit(0);
#endif
}
@ -1809,8 +1810,8 @@ SendResp_dlnafile(struct upnphttp *h, char *object)
sqlite3_free_table(result);
}
#if USE_FORK
newpid = fork();
if( newpid )
newpid = process_fork();
if( newpid > 0 )
{
CloseSocket_upnphttp(h);
goto error;
@ -1951,7 +1952,7 @@ SendResp_dlnafile(struct upnphttp *h, char *object)
CloseSocket_upnphttp(h);
error:
#if USE_FORK
if( !newpid )
if( newpid == 0 )
_exit(0);
#endif
return;