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* Fix a potential crash during parsing of SSDP alive packets.

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This commit is contained in:
Justin Maggard 2011-05-03 06:14:25 +00:00
parent 9a9270cecf
commit 4daad1291e
1 changed files with 2 additions and 2 deletions
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4
minissdp.c
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@ -532,6 +532,7 @@ ProcessSSDPRequest(int s, unsigned short port)
loc_len = 0; loc_len = 0;
while(*loc == ' ' || *loc == '\t') loc++; while(*loc == ' ' || *loc == '\t') loc++;
while(loc[loc_len]!='\r' && loc[loc_len]!='\n') loc_len++; while(loc[loc_len]!='\r' && loc[loc_len]!='\n') loc_len++;
loc[loc_len] = '\0';
} }
else if(strncasecmp(bufr+i, "NTS:", 4) == 0) else if(strncasecmp(bufr+i, "NTS:", 4) == 0)
{ {
@ -541,11 +542,10 @@ ProcessSSDPRequest(int s, unsigned short port)
while(man[man_len]!='\r' && man[man_len]!='\n') man_len++; while(man[man_len]!='\r' && man[man_len]!='\n') man_len++;
} }
} }
if (!man || (strncmp(man, "ssdp:alive", man_len) != 0)) if (!loc || !srv || !man || (strncmp(man, "ssdp:alive", man_len) != 0))
{ {
return; return;
} }
loc[loc_len] = '\0';
if (strncmp(srv, "Allegro-Software-RomPlug", 24) == 0) if (strncmp(srv, "Allegro-Software-RomPlug", 24) == 0)
{ {
/* Check if the client is already in cache */ /* Check if the client is already in cache */