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Merged revisions 203037 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/trunk

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  r203037 | rmudgett | 2009-06-24 16:08:55 -0500 (Wed, 24 Jun 2009) | 15 lines
  
  Merged revisions 203036 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r203036 | rmudgett | 2009-06-24 16:01:43 -0500 (Wed, 24 Jun 2009) | 8 lines
    
    Improved chan_dahdi.conf pritimer error checking.
    
    Valid format is: pritimer=timer_name,timer_value
    
    *  Fixed segfault if the ',' is missing.
    *  Completely check the range returned by pri_timer2idx() to prevent
    possible access outside array bounds.
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@203057 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2009-06-24 21:22:11 +00:00
parent 9d35f9503b
commit 482ffa8830
1 changed files with 24 additions and 12 deletions
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36
channels/chan_dahdi.c
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@@ -14761,22 +14761,34 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
#endif
} else if (!strcasecmp(v->name, "pritimer")) {
#ifdef PRI_GETSET_TIMERS
char tmp[20], *timerc, *c = tmp;
int timer, timeridx;
char tmp[20];
char *timerc;
char *c;
int timer;
int timeridx;
ast_copy_string(tmp, v->value, sizeof(tmp));
c = tmp;
timerc = strsep(&c, ",");
if (timerc) {
if (!ast_strlen_zero(timerc) && !ast_strlen_zero(c)) {
timeridx = pri_timer2idx(timerc);
timer = atoi(c);
if (!timer)
ast_log(LOG_WARNING, "'%s' is not a valid value for an ISDN timer at line %d.\n", timerc, v->lineno);
else {
if ((timeridx = pri_timer2idx(timerc)) >= 0)
pritimers[timeridx] = timer;
else
ast_log(LOG_WARNING, "'%s' is not a valid ISDN timer at line %d.\n", timerc, v->lineno);
if (timeridx < 0 || PRI_MAX_TIMERS <= timeridx) {
ast_log(LOG_WARNING,
"'%s' is not a valid ISDN timer at line %d.\n", timerc,
v->lineno);
} else if (!timer) {
ast_log(LOG_WARNING,
"'%s' is not a valid value for ISDN timer '%s' at line %d.\n",
c, timerc, v->lineno);
} else {
pritimers[timeridx] = timer;
}
} else
ast_log(LOG_WARNING, "'%s' is not a valid ISDN timer configuration string at line %d.\n", v->value, v->lineno);
} else {
ast_log(LOG_WARNING,
"'%s' is not a valid ISDN timer configuration string at line %d.\n",
v->value, v->lineno);
}
} else if (!strcasecmp(v->name, "facilityenable")) {
confp->pri.facilityenable = ast_true(v->value);