Reverse SLAAC-only logic

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 9f7019da5a1ceb935f16a0476baa3ae635dbc224..f7ae2fb917e73b8d3be1d3dd6d810386dd3440d3 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -41,7 +41,7 @@ static size_t state_len[_STATE_MAX] = {0};
 
 static volatile int do_signal = 0;
 static int urandom_fd = -1;
-static bool bound = false, allow_slaac_only = false;
+static bool bound = false, allow_slaac_only = true;
 
 
 int main(_unused int argc, char* const argv[])
@@ -62,7 +62,7 @@ int main(_unused int argc, char* const argv[])
        while ((c = getopt(argc, argv, "SN:P:c:r:s:hdp:")) != -1) {
                switch (c) {
                case 'S':
-                       allow_slaac_only = true;
+                       allow_slaac_only = false;
                        break;
 
                case 'N':
@@ -77,6 +77,7 @@ int main(_unused int argc, char* const argv[])
                        break;
 
                case 'P':
+                       allow_slaac_only = false;
                        request_pd = strtoul(optarg, NULL, 10);
                        if (request_pd == 0)
                                request_pd = -1;
@@ -294,7 +295,7 @@ static int usage(void)
        const char buf[] =
        "Usage: odhcp6c [options] <interface>\n"
        "\nFeature options:\n"
-       "       -S              Allow SLAAC-only assignment\n"
+       "       -S              Don't allow SLAAC-only (implied by -P)\n"
        "       -N <mode>       Mode for requesting addresses [try|force|none]\n"
        "       -P <length>     Request IPv6-Prefix (0 = auto)\n"
        "       -c <clientid>   Override client-ID (base-16 encoded)\n"