aboutgitcodebugslistschat
path: root/conf.c
diff options
context:
space:
mode:
Diffstat (limited to 'conf.c')
-rw-r--r--conf.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/conf.c b/conf.c
index 4960c68..db9c350 100644
--- a/conf.c
+++ b/conf.c
@@ -565,6 +565,7 @@ static void usage(const char *name)
else
info(" /tmp/passt_ISO8601-TIMESTAMP_INSTANCE-NUMBER.pcap");
+ info( " -P, --pid FILE Write own PID to the given file");
info( " -m, --mtu MTU Assign MTU via DHCP/NDP");
info( " a zero value disables assignment");
info( " default: 65520: maximum 802.3 MTU minus 802.3 header");
@@ -764,6 +765,7 @@ void conf(struct ctx *c, int argc, char **argv)
{"socket", required_argument, NULL, 's' },
{"ns-ifname", required_argument, NULL, 'I' },
{"pcap", optional_argument, NULL, 'p' },
+ {"pid", required_argument, NULL, 'P' },
{"mtu", required_argument, NULL, 'm' },
{"address", required_argument, NULL, 'a' },
{"netmask", required_argument, NULL, 'n' },
@@ -807,9 +809,9 @@ void conf(struct ctx *c, int argc, char **argv)
const char *optstring;
if (c->mode == MODE_PASST)
- optstring = "dqfehs:p::m:a:n:M:g:i:D::S::46t:u:";
+ optstring = "dqfehs:p::P:m:a:n:M:g:i:D::S::46t:u:";
else
- optstring = "dqfehI:p::m:a:n:M:g:i:D::S::46t:u:T:U:";
+ optstring = "dqfehI:p::P:m:a:n:M:g:i:D::S::46t:u:T:U:";
name = getopt_long(argc, argv, optstring, options, NULL);
@@ -949,6 +951,19 @@ void conf(struct ctx *c, int argc, char **argv)
usage(argv[0]);
}
break;
+ case 'P':
+ if (*c->pid_file) {
+ err("Multiple --pid options given");
+ usage(argv[0]);
+ }
+
+ ret = snprintf(c->pid_file, sizeof(c->pid_file), "%s",
+ optarg);
+ if (ret <= 0 || ret >= (int)sizeof(c->pid_file)) {
+ err("Invalid PID file: %s", optarg);
+ usage(argv[0]);
+ }
+ break;
case 'm':
if (c->mtu) {
err("Multiple --mtu options given");