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Make sure Unix socket path is null-terminated, per unix(7)

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dmiller
2022-10-14 00:58:22 +00:00
parent ca691d2789
commit 6a9acb1f1a
5 changed files with 99 additions and 38 deletions
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7
ncat/ncat_main.c
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@@ -794,8 +794,7 @@ int main(int argc, char *argv[])
* If it's not valid, it will fail later! */
if (o.af == AF_UNIX) {
if (o.proto == IPPROTO_UDP) {
srcaddr.un.sun_family = AF_UNIX;
strncpy(srcaddr.un.sun_path, source, sizeof(srcaddr.un.sun_path));
NCAT_INIT_SUN(&srcaddr, source);
srcaddrlen = SUN_LEN(&srcaddr.un);
}
else
@@ -853,9 +852,7 @@ int main(int argc, char *argv[])
case 1:
#if HAVE_SYS_UN_H
if (o.af == AF_UNIX) {
memset(&targetaddrs->addr.storage, 0, sizeof(struct sockaddr_un));
targetaddrs->addr.un.sun_family = AF_UNIX;
strncpy(targetaddrs->addr.un.sun_path, argv[optind], sizeof(targetaddrs->addr.un.sun_path));
NCAT_INIT_SUN(&targetaddrs->addr, argv[optind]);
targetaddrs->addrlen = SUN_LEN(&targetaddrs->addr.un);
o.sslservername = o.target = argv[optind];
break;