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bgpd: don't leak memory in community_regexp_include

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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Christian Franke 2016-06-14 20:06:59 +02:00 committed by Donald Sharp
parent 6e71194f11
commit b84ee83b10
1 changed files with 8 additions and 3 deletions
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11
bgpd/bgp_clist.c
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@ -403,17 +403,22 @@ community_str_get (struct community *com, int i)
static int static int
community_regexp_include (regex_t * reg, struct community *com, int i) community_regexp_include (regex_t * reg, struct community *com, int i)
{ {
const char *str; char *str;
int rv;
/* When there is no communities attribute it is treated as empty /* When there is no communities attribute it is treated as empty
* string. */ * string. */
if (com == NULL || com->size == 0) if (com == NULL || com->size == 0)
str = ""; str = XSTRDUP(MTYPE_COMMUNITY_STR, "");
else else
str = community_str_get (com, i); str = community_str_get (com, i);
/* Regular expression match. */ /* Regular expression match. */
if (regexec (reg, str, 0, NULL, 0) == 0) rv = regexec (reg, str, 0, NULL, 0);
XFREE(MTYPE_COMMUNITY_STR, str);
if (rv == 0)
return 1; return 1;
/* No match. */ /* No match. */