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-rw-r--r--hostapd/ctrl_iface.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index e91e511..2fe8e56 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -49,6 +49,8 @@
#include "ctrl_iface.h"
+#define HOSTAPD_CLI_DUP_VALUE_MAX_LEN 256
+
struct wpa_ctrl_dst {
struct wpa_ctrl_dst *next;
struct sockaddr_un addr;
@@ -2634,6 +2636,114 @@ hostapd_interfaces_get_hapd(struct hapd_interfaces *interfaces,
}
+static int hostapd_ctrl_iface_dup_param(struct hostapd_data *src_hapd,
+ struct hostapd_data *dst_hapd,
+ char *param)
+{
+ int res;
+ char *value;
+
+ value = os_zalloc(HOSTAPD_CLI_DUP_VALUE_MAX_LEN);
+ if (!value) {
+ wpa_printf(MSG_ERROR,
+ "DUP: cannot allocate buffer to stringify %s",
+ param);
+ goto error_return;
+ }
+
+ if (os_strcmp(param, "wpa") == 0) {
+ os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%d",
+ src_hapd->conf->wpa);
+ } else if (os_strcmp(param, "wpa_key_mgmt") == 0 &&
+ src_hapd->conf->wpa_key_mgmt) {
+ res = hostapd_ctrl_iface_get_key_mgmt(
+ src_hapd, value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN);
+ if (os_snprintf_error(HOSTAPD_CLI_DUP_VALUE_MAX_LEN, res))
+ goto error_stringify;
+ } else if (os_strcmp(param, "wpa_pairwise") == 0 &&
+ src_hapd->conf->wpa_pairwise) {
+ res = wpa_write_ciphers(value,
+ value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
+ src_hapd->conf->wpa_pairwise, " ");
+ if (res < 0)
+ goto error_stringify;
+ } else if (os_strcmp(param, "rsn_pairwise") == 0 &&
+ src_hapd->conf->rsn_pairwise) {
+ res = wpa_write_ciphers(value,
+ value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
+ src_hapd->conf->rsn_pairwise, " ");
+ if (res < 0)
+ goto error_stringify;
+ } else if (os_strcmp(param, "wpa_passphrase") == 0 &&
+ src_hapd->conf->ssid.wpa_passphrase) {
+ os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%s",
+ src_hapd->conf->ssid.wpa_passphrase);
+ } else if (os_strcmp(param, "wpa_psk") == 0 &&
+ src_hapd->conf->ssid.wpa_psk_set) {
+ wpa_snprintf_hex(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
+ src_hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
+ } else {
+ wpa_printf(MSG_WARNING, "DUP: %s cannot be duplicated", param);
+ goto error_return;
+ }
+
+ res = hostapd_set_iface(dst_hapd->iconf, dst_hapd->conf, param, value);
+ os_free(value);
+ return res;
+
+error_stringify:
+ wpa_printf(MSG_ERROR, "DUP: cannot stringify %s", param);
+error_return:
+ os_free(value);
+ return -1;
+}
+
+
+static int
+hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces,
+ char *cmd)
+{
+ char *p_start = cmd, *p_end;
+ struct hostapd_data *src_hapd, *dst_hapd;
+
+ /* cmd: "<src ifname> <dst ifname> <variable name> */
+
+ p_end = os_strchr(p_start, ' ');
+ if (!p_end) {
+ wpa_printf(MSG_ERROR, "DUP: no src ifname found in cmd: '%s'",
+ cmd);
+ return -1;
+ }
+
+ *p_end = '\0';
+ src_hapd = hostapd_interfaces_get_hapd(interfaces, p_start);
+ if (!src_hapd) {
+ wpa_printf(MSG_ERROR, "DUP: no src ifname found: '%s'",
+ p_start);
+ return -1;
+ }
+
+ p_start = p_end + 1;
+ p_end = os_strchr(p_start, ' ');
+ if (!p_end) {
+ wpa_printf(MSG_ERROR, "DUP: no dst ifname found in cmd: '%s'",
+ cmd);
+ return -1;
+ }
+
+ *p_end = '\0';
+ dst_hapd = hostapd_interfaces_get_hapd(interfaces, p_start);
+ if (!dst_hapd) {
+ wpa_printf(MSG_ERROR, "DUP: no dst ifname found: '%s'",
+ p_start);
+ return -1;
+ }
+
+ p_start = p_end + 1;
+ return hostapd_ctrl_iface_dup_param(src_hapd, dst_hapd, p_start);
+}
+
+
static int hostapd_global_ctrl_iface_ifname(struct hapd_interfaces *interfaces,
const char *ifname,
char *buf, char *reply,
@@ -2747,6 +2857,12 @@ static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
} else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
#endif /* CONFIG_FST */
+ } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
+ if (!hostapd_global_ctrl_iface_dup_network(interfaces,
+ buf + 12))
+ reply_len = os_snprintf(reply, reply_size, "OK\n");
+ else
+ reply_len = -1;
} else {
wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
"ignored");