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make buffers config option (chan_dahdi.conf) parsing safer and added logging in case of failure

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@132425 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeff Peeler
2008-07-21 15:33:13 +00:00
parent c87f901cfd
commit 08bcb84c01
1 changed files with 14 additions and 11 deletions
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channels/chan_dahdi.c
+14 -11
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@@ -13776,7 +13776,6 @@ static void process_echocancel(struct dahdi_chan_conf *confp, const char *data,
static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct ast_variable *v, int reload, int options)
{
struct dahdi_pvt *tmp;
const char *tempstr; /* temporary string for parsing the dring number, buffers policy */
int y;
int found_pseudo = 0;
char dahdichan[MAX_CHANLIST_LEN] = {};
@@ -13803,17 +13802,24 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
if (build_channels(confp, iscrv, v->value, reload, v->lineno, &found_pseudo))
return -1;
} else if (!strcasecmp(v->name, "buffers")) {
char policy[8];
tempstr = v->value;
sscanf(tempstr, "%d,%s", &confp->chan.buf_no, policy);
int res;
char policy[8] = "";
res = sscanf(v->value, "%d,%s", &confp->chan.buf_no, policy);
if (res != 2) {
ast_log(LOG_WARNING, "Parsing buffers option data failed, using defaults.\n");
confp->chan.buf_no = numbufs;
continue;
}
if (confp->chan.buf_no < 0)
confp->chan.buf_no = numbufs;
if (!strcasecmp(policy, "full")) {
confp->chan.buf_policy = DAHDI_POLICY_WHEN_FULL;
} else if (!strcasecmp(policy, "half")) {
confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE /*HALF_FULL*/;
} else {
} else if (!strcasecmp(policy, "immediate")) {
confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE;
} else {
ast_log(LOG_WARNING, "Invalid policy name given (%s).\n", policy);
}
} else if (!strcasecmp(v->name, "dahdichan")) {
ast_copy_string(dahdichan, v->value, sizeof(dahdichan));
@@ -13834,14 +13840,11 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
} else if (!strcasecmp(v->name, "dring3range")) {
confp->chan.drings.ringnum[2].range = atoi(v->value);
} else if (!strcasecmp(v->name, "dring1")) {
tempstr = v->value;
sscanf(tempstr, "%d,%d,%d", &confp->chan.drings.ringnum[0].ring[0], &confp->chan.drings.ringnum[0].ring[1], &confp->chan.drings.ringnum[0].ring[2]);
sscanf(v->value, "%d,%d,%d", &confp->chan.drings.ringnum[0].ring[0], &confp->chan.drings.ringnum[0].ring[1], &confp->chan.drings.ringnum[0].ring[2]);
} else if (!strcasecmp(v->name, "dring2")) {
tempstr = v->value;
sscanf(tempstr,"%d,%d,%d", &confp->chan.drings.ringnum[1].ring[0], &confp->chan.drings.ringnum[1].ring[1], &confp->chan.drings.ringnum[1].ring[2]);
sscanf(v->value,"%d,%d,%d", &confp->chan.drings.ringnum[1].ring[0], &confp->chan.drings.ringnum[1].ring[1], &confp->chan.drings.ringnum[1].ring[2]);
} else if (!strcasecmp(v->name, "dring3")) {
tempstr = v->value;
sscanf(tempstr, "%d,%d,%d", &confp->chan.drings.ringnum[2].ring[0], &confp->chan.drings.ringnum[2].ring[1], &confp->chan.drings.ringnum[2].ring[2]);
sscanf(v->value, "%d,%d,%d", &confp->chan.drings.ringnum[2].ring[0], &confp->chan.drings.ringnum[2].ring[1], &confp->chan.drings.ringnum[2].ring[2]);
} else if (!strcasecmp(v->name, "usecallerid")) {
confp->chan.use_callerid = ast_true(v->value);
} else if (!strcasecmp(v->name, "cidsignalling")) {