random: Add support for maintaining internal entropy store over restarts

[thirdparty/hostap.git] / wpa_supplicant / main.c

diff --git a/wpa_supplicant/main.c b/wpa_supplicant/main.c
index c0aa59c4ee0a5486a18efcd4e2aba299d2787228..e196f3c4a42833f903ae4e388fed21e0dd072014 100644 (file)
--- a/wpa_supplicant/main.c
+++ b/wpa_supplicant/main.c
@@ -33,7 +33,8 @@ static void usage(void)
               "[-g<global ctrl>] \\\n"
               "        -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
               "[-p<driver_param>] \\\n"
-              "        [-b<br_ifname>] [-f<debug file>] \\\n"
+              "        [-b<br_ifname>] [-f<debug file>] [-e<entropy file>] "
+              "\\\n"
               "        [-o<override driver>] [-O<override ctrl>] \\\n"
               "        [-N -i<ifname> -c<conf> [-C<ctrl>] "
               "[-D<driver>] \\\n"
@@ -56,7 +57,8 @@ static void usage(void)
               "  -C = ctrl_interface parameter (only used if -c is not)\n"
               "  -i = interface name\n"
               "  -d = increase debugging verbosity (-dd even more)\n"
-              "  -D = driver name (can be multiple drivers: nl80211,wext)\n");
+              "  -D = driver name (can be multiple drivers: nl80211,wext)\n"
+              "  -e = entropy file\n");
 #ifdef CONFIG_DEBUG_FILE
        printf("  -f = log output to debug file instead of stdout\n");
 #endif /* CONFIG_DEBUG_FILE */
@@ -143,7 +145,7 @@ int main(int argc, char *argv[])
        wpa_supplicant_fd_workaround();
 
        for (;;) {
-               c = getopt(argc, argv, "b:Bc:C:D:df:g:hi:KLNo:O:p:P:qstuvW");
+               c = getopt(argc, argv, "b:Bc:C:D:de:f:g:hi:KLNo:O:p:P:qstuvW");
                if (c < 0)
                        break;
                switch (c) {
@@ -172,6 +174,9 @@ int main(int argc, char *argv[])
                        params.wpa_debug_level--;
                        break;
 #endif /* CONFIG_NO_STDOUT_DEBUG */
+               case 'e':
+                       params.entropy_file = optarg;
+                       break;
 #ifdef CONFIG_DEBUG_FILE
                case 'f':
                        params.wpa_debug_file_path = optarg;