diff options
Diffstat (limited to 'openbsc/src')
-rw-r--r-- | openbsc/src/libmsc/ctrl_commands.c | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/openbsc/src/libmsc/ctrl_commands.c b/openbsc/src/libmsc/ctrl_commands.c index e48c6a3e1..9ac39de95 100644 --- a/openbsc/src/libmsc/ctrl_commands.c +++ b/openbsc/src/libmsc/ctrl_commands.c @@ -24,9 +24,25 @@ #include <openbsc/db.h> #include <openbsc/debug.h> +static bool alg_supported(const char *alg) +{ + /* + * TODO: share this with the vty_interface and extend to all + * algorithms supported by libosmocore now. Make it table based + * as well. + */ + if (strcasecmp(alg, "none") == 0) + return true; + if (strcasecmp(alg, "xor") == 0) + return true; + if (strcasecmp(alg, "comp128v1") == 0) + return true; + return false; +} + static int verify_subscriber_modify(struct ctrl_cmd *cmd, const char *value, void *d) { - char *tmp, *imsi, *msisdn, *saveptr = NULL; + char *tmp, *imsi, *msisdn, *alg, *ki, *saveptr = NULL; int rc = 0; tmp = talloc_strdup(cmd, value); @@ -35,6 +51,8 @@ static int verify_subscriber_modify(struct ctrl_cmd *cmd, const char *value, voi imsi = strtok_r(tmp, ",", &saveptr); msisdn = strtok_r(NULL, ",", &saveptr); + alg = strtok_r(NULL, ",", &saveptr); + ki = strtok_r(NULL, ",", &saveptr); if (!imsi || !msisdn) rc = 1; @@ -42,6 +60,12 @@ static int verify_subscriber_modify(struct ctrl_cmd *cmd, const char *value, voi rc = 1; else if (strlen(msisdn) >= GSM_EXTENSION_LENGTH) rc = 1; + else if (alg) { + if (!alg_supported(alg)) + rc = 1; + else if (strcasecmp(alg, "none") != 0 && !ki) + rc = 1; + } talloc_free(tmp); return rc; @@ -56,7 +80,7 @@ static int get_subscriber_modify(struct ctrl_cmd *cmd, void *data) static int set_subscriber_modify(struct ctrl_cmd *cmd, void *data) { struct gsm_network *net = cmd->node; - char *tmp, *imsi, *msisdn, *saveptr = NULL; + char *tmp, *imsi, *msisdn, *alg, *ki, *saveptr = NULL; struct gsm_subscriber* subscr; int rc; @@ -66,6 +90,8 @@ static int set_subscriber_modify(struct ctrl_cmd *cmd, void *data) imsi = strtok_r(tmp, ",", &saveptr); msisdn = strtok_r(NULL, ",", &saveptr); + alg = strtok_r(NULL, ",", &saveptr); + ki = strtok_r(NULL, ",", &saveptr); subscr = subscr_get_by_imsi(net->subscr_group, imsi); if (!subscr) @@ -80,6 +106,36 @@ static int set_subscriber_modify(struct ctrl_cmd *cmd, void *data) /* put it back to the db */ rc = db_sync_subscriber(subscr); db_subscriber_update(subscr); + + /* handle optional ciphering */ + if (alg) { + if (strcasecmp(alg, "none") == 0) + db_sync_authinfo_for_subscr(NULL, subscr); + else { + struct gsm_auth_info ainfo = { 0, }; + /* the verify should make sure that this is okay */ + OSMO_ASSERT(alg); + OSMO_ASSERT(ki); + + if (strcasecmp(alg, "xor") == 0) + ainfo.auth_algo = AUTH_ALGO_XOR; + else if (strcasecmp(alg, "comp128v1") == 0) + ainfo.auth_algo = AUTH_ALGO_COMP128v1; + + rc = osmo_hexparse(ki, ainfo.a3a8_ki, sizeof(ainfo.a3a8_ki)); + if (rc < 0) { + subscr_put(subscr); + talloc_free(tmp); + cmd->reply = "Failed to parse KI"; + return CTRL_CMD_ERROR; + } + + ainfo.a3a8_ki_len = rc; + db_sync_authinfo_for_subscr(&ainfo, subscr); + rc = 0; + } + db_sync_lastauthtuple_for_subscr(NULL, subscr); + } subscr_put(subscr); talloc_free(tmp); |