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Fix many issues from the NULL_RETURNS Coverity report

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Most of the changes here are trivial NULL checks.  There are a couple
optimizations to remove the need to check for NULL and outboundproxy parsing
in chan_sip.c was rewritten to avoid use of strtok.  Additionally, a bug was
found and fixed with the parsing of outboundproxy when "outboundproxy=," was
set.

(Closes issue ASTERISK-19654)
........

Merged revisions 365398 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 365399 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@365400 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2012-05-04 22:17:38 +00:00
parent 8842f76a7f
commit 781f4657b9
11 changed files with 124 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
apps/app_chanspy.c
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@@ -763,12 +763,10 @@ static int common_exec(struct ast_channel *chan, struct ast_flags *flags,
const char *context, const char *mailbox, const char *name_context)
{
char nameprefix[AST_NAME_STRLEN];
char peer_name[AST_NAME_STRLEN + 5];
char exitcontext[AST_MAX_CONTEXT] = "";
signed char zero_volume = 0;
int waitms;
int res;
char *ptr;
int num_spyed_upon = 1;
struct ast_channel_iterator *iter = NULL;
@@ -858,7 +856,6 @@ static int common_exec(struct ast_channel *chan, struct ast_flags *flags,
next_channel(iter, autochan, chan), next_autochan = NULL) {
int igrp = !mygroup;
int ienf = !myenforced;
char *s;
if (autochan->chan == prev) {
ast_autochan_destroy(autochan);
@@ -943,20 +940,30 @@ static int common_exec(struct ast_channel *chan, struct ast_flags *flags,
continue;
}
strcpy(peer_name, "spy-");
strncat(peer_name, ast_channel_name(autochan->chan), AST_NAME_STRLEN - 4 - 1);
ptr = strchr(peer_name, '/');
*ptr++ = '\0';
ptr = strsep(&ptr, "-");
for (s = peer_name; s < ptr; s++)
*s = tolower(*s);
if (!ast_test_flag(flags, OPTION_QUIET)) {
char peer_name[AST_NAME_STRLEN + 5];
char *ptr, *s;
strcpy(peer_name, "spy-");
strncat(peer_name, ast_channel_name(autochan->chan), AST_NAME_STRLEN - 4 - 1);
if ((ptr = strchr(peer_name, '/'))) {
*ptr++ = '\0';
for (s = peer_name; s < ptr; s++) {
*s = tolower(*s);
}
if ((s = strchr(ptr, '-'))) {
*s = '\0';
}
}
if (ast_test_flag(flags, OPTION_NAME)) {
const char *local_context = S_OR(name_context, "default");
const char *local_mailbox = S_OR(mailbox, ptr);
res = ast_app_sayname(chan, local_mailbox, local_context);
if (local_mailbox) {
res = ast_app_sayname(chan, local_mailbox, local_context);
} else {
res = -1;
}
}
if (!ast_test_flag(flags, OPTION_NAME) || res < 0) {
int num;
@@ -974,7 +981,7 @@ static int common_exec(struct ast_channel *chan, struct ast_flags *flags,
res = ast_say_character_str(chan, peer_name, "", ast_channel_language(chan));
}
}
if ((num = atoi(ptr))) {
if (ptr && (num = atoi(ptr))) {
ast_say_digits(chan, num, "", ast_channel_language(chan));
}
}