New '-o' option to configure server or hosts from command line

[oweals/tinc.git] / src / tincd.c

diff --git a/src/tincd.c b/src/tincd.c
index 70aa6ba32c7e2a42463d99efffa68241e08208df..dc9bf4696eddbb4fe0f1e2f3ca7e5c55955b5899 100644 (file)
--- a/src/tincd.c
+++ b/src/tincd.c
@@ -136,6 +136,7 @@ static void usage(bool status) {
                                "  -L, --mlock                Lock tinc into main memory.\n"
                                "      --logfile[=FILENAME]   Write log entries to a logfile.\n"
                                "      --pidfile=FILENAME     Write PID to FILENAME.\n"
+                               "  -o [HOST.]KEY=VALUE        Set global/host configuration value.\n"
                                "  -R, --chroot               chroot to NET dir at startup.\n"
                                "  -U, --user=USER            setuid to given USER at startup.\n"
                                "      --help                 Display this help and exit.\n"
@@ -145,10 +146,14 @@ static void usage(bool status) {
 }
 
 static bool parse_options(int argc, char **argv) {
+       config_t *cfg;
        int r;
        int option_index = 0;
+       int lineno = 0;
 
-       while((r = getopt_long(argc, argv, "c:DLd::k::n:K::RU:", long_options, &option_index)) != EOF) {
+       cmdline_conf = list_alloc((list_action_t)free_config);
+
+       while((r = getopt_long(argc, argv, "c:DLd::k::n:o:K::RU:", long_options, &option_index)) != EOF) {
                switch (r) {
                        case 0:                         /* long option */
                                break;
@@ -217,6 +222,13 @@ static bool parse_options(int argc, char **argv) {
                                netname = xstrdup(optarg);
                                break;
 
+                       case 'o':                               /* option */
+                               cfg = parse_config_line(optarg, NULL, ++lineno);
+                               if (!cfg)
+                                       return false;
+                               list_insert_tail(cmdline_conf, cfg);
+                               break;
+
                        case 'K':                               /* generate public/private keypair */
                                if(optarg) {
                                        generate_keys = atoi(optarg);