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conf, tap: False "Buffer not null terminated" positives, CWE-170

Browse source 
Those strings are actually guaranteed to be NULL-terminated. Reported
by Coverity.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2022-04-05 12:33:31 +02:00
parent e46f67f152
commit ceddcac74a
2 changed files with 6 additions and 6 deletions

6
conf.c
View file

@ -1035,7 +1035,7 @@ void conf(struct ctx *c, int argc, char **argv)
usage(argv[0]);
}
ret = snprintf(c->sock_path, sizeof(c->sock_path), "%s",
ret = snprintf(c->sock_path, UNIX_SOCK_MAX - 1, "%s",
optarg);
if (ret <= 0 || ret >= (int)sizeof(c->pcap)) {
err("Invalid socket path: %s", optarg);
@ -1048,9 +1048,9 @@ void conf(struct ctx *c, int argc, char **argv)
usage(argv[0]);
}
ret = snprintf(c->pasta_ifn, sizeof(c->pasta_ifn), "%s",
ret = snprintf(c->pasta_ifn, IFNAMSIZ - 1, "%s",
optarg);
if (ret <= 0 || ret >= (int)sizeof(c->pasta_ifn)) {
if (ret <= 0 || ret >= IFNAMSIZ - 1) {
err("Invalid interface name: %s", optarg);
usage(argv[0]);
}