diff options
author | Varsha Rao <rvarsha016@gmail.com> | 2017-09-20 21:53:09 +0530 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-09-27 14:04:00 +0200 |
commit | 72386012200a96f9bb721ab4ddb5a9325c68c5f7 (patch) | |
tree | d8ddea63dba57671d2edbf4a34850d5f9613e567 /src/rule.c | |
parent | 676ea569bbe5abf750d9ed516f35c017efbdce5f (diff) |
src: Buffer is null terminated.
In _snprintf() functions definition the buffer is null terminated.
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/rule.c')
-rw-r--r-- | src/rule.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -792,6 +792,9 @@ static int nftnl_rule_cmd_snprintf(char *buf, size_t size, int ret, remain = size, offset = 0; uint32_t inner_flags = flags; + if (size) + buf[0] = '\0'; + inner_flags &= ~NFTNL_OF_EVENT_ANY; ret = nftnl_cmd_header_snprintf(buf + offset, remain, cmd, type, flags); @@ -822,6 +825,9 @@ static int nftnl_rule_cmd_snprintf(char *buf, size_t size, int nftnl_rule_snprintf(char *buf, size_t size, const struct nftnl_rule *r, uint32_t type, uint32_t flags) { + if (size) + buf[0] = '\0'; + return nftnl_rule_cmd_snprintf(buf, size, r, nftnl_flag2cmd(flags), type, flags); } @@ -830,6 +836,9 @@ EXPORT_SYMBOL(nftnl_rule_snprintf); static int nftnl_rule_do_snprintf(char *buf, size_t size, const void *r, uint32_t cmd, uint32_t type, uint32_t flags) { + if (size) + buf[0] = '\0'; + return nftnl_rule_snprintf(buf, size, r, type, flags); } |