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presence: m_presence module: Use safer get_metadata() where appropriate, to avoid crash possibilities.

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This commit is contained in:
William Pitcock 2009-06-02 02:55:45 -05:00
parent 2914055be3
commit 0fc5aeca53
1 changed files with 5 additions and 9 deletions
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14
modules/m_presence.c
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@ -57,7 +57,7 @@ DECLARE_MODULE_AV1(presence, NULL, NULL, presence_clist, NULL, NULL, "$Revision$
static int static int
m_presence(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) m_presence(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{ {
char *val; const char *val;
if(MyClient(source_p) && !IsFloodDone(source_p)) if(MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p); flood_endgrace(source_p);
@ -67,7 +67,7 @@ m_presence(struct Client *client_p, struct Client *source_p, int parc, const cha
if((parc < 3 || EmptyString(parv[2])) && !EmptyString(parv[1])) if((parc < 3 || EmptyString(parv[2])) && !EmptyString(parv[1]))
{ {
if ((val = irc_dictionary_retrieve(source_p->user->metadata, parv[1])) != NULL) if ((val = get_metadata(source_p, parv[1])) != NULL)
{ {
delete_metadata(source_p, parv[1]); delete_metadata(source_p, parv[1]);
@ -79,12 +79,10 @@ m_presence(struct Client *client_p, struct Client *source_p, int parc, const cha
return 0; return 0;
} }
if ((val = irc_dictionary_retrieve(source_p->user->metadata, parv[1])) != NULL) if ((val = get_metadata(source_p, parv[1])) != NULL)
{ {
if (!strcmp(parv[2], val)) if (!strcmp(parv[2], val))
return 0; return 0;
delete_metadata(source_p, parv[1]);
} }
set_metadata(source_p, parv[1], parv[2]); set_metadata(source_p, parv[1], parv[2]);
@ -105,7 +103,7 @@ m_presence(struct Client *client_p, struct Client *source_p, int parc, const cha
static int static int
me_presence(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) me_presence(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{ {
char *val; const char *val;
if(MyClient(source_p) && !IsFloodDone(source_p)) if(MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p); flood_endgrace(source_p);
@ -119,12 +117,10 @@ me_presence(struct Client *client_p, struct Client *source_p, int parc, const ch
return 0; return 0;
} }
if ((val = irc_dictionary_retrieve(source_p->user->metadata, parv[1])) != NULL) if ((val = get_metadata(source_p, parv[1])) != NULL)
{ {
if (!strcmp(parv[2], val)) if (!strcmp(parv[2], val))
return 0; return 0;
delete_metadata(source_p, parv[1]);
} }
set_metadata(source_p, parv[1], parv[2]); set_metadata(source_p, parv[1], parv[2]);