diff options
Diffstat (limited to 'src/wol.c')
| -rw-r--r-- | src/wol.c | 60 |
1 files changed, 53 insertions, 7 deletions
@@ -43,8 +43,8 @@ int wol_socket_open(void) return s; } -bool wake_up_send(int sd, struct sockaddr_in *client, - const struct wol_msg *msg, const struct in_addr *addr) +static int wake_up_send(int sd, struct sockaddr_in *client, + const struct wol_msg *msg, const struct in_addr *addr) { int ret; @@ -54,21 +54,21 @@ bool wake_up_send(int sd, struct sockaddr_in *client, (struct sockaddr *)client, sizeof(*client)); if (ret < 0) { syslog(LOG_ERR, "failed to send wol\n"); - return false; + return -1; } - return true; + return 0; } -bool wake_up_broadcast(int sd, struct sockaddr_in *client, - const struct wol_msg *msg) +static int wake_up_broadcast(int sd, struct sockaddr_in *client, + const struct wol_msg *msg) { struct sockaddr_in *broadcast_addr, addr = {}; struct ifaddrs *ifaddr, *ifa; if (getifaddrs(&ifaddr) < 0) { syslog(LOG_ERR, "cannot get list of addresses\n"); - return false; + return -1; } addr.sin_addr.s_addr = htonl(INADDR_BROADCAST); @@ -89,6 +89,52 @@ bool wake_up_broadcast(int sd, struct sockaddr_in *client, return wake_up_send(sd, client, msg, &addr.sin_addr); } +enum wol_delivery_type { + OG_WOL_BROADCAST = 1, + OG_WOL_UNICAST = 2 +}; + +int wake_up(int s, const struct in_addr *addr, const struct in_addr *netmask, + const char *mac, uint32_t wol_delivery_type) +{ + uint32_t mac_addr_u32[OG_WOL_MACADDR_LEN]; + uint8_t mac_addr[OG_WOL_MACADDR_LEN]; + struct sockaddr_in dest = { + .sin_family = AF_INET, + .sin_port = htons(OG_WOL_PORT), + }; + struct in_addr broadcast_addr; + struct wol_msg msg = {}; + int ret, i; + + memset(msg.wol_sequence_ff, 0xff, OG_WOL_SEQUENCE); + sscanf(mac, "%02x%02x%02x%02x%02x%02x", + &mac_addr_u32[0], &mac_addr_u32[1], &mac_addr_u32[2], + &mac_addr_u32[3], &mac_addr_u32[4], &mac_addr_u32[5]); + + for (i = 0; i < OG_WOL_MACADDR_LEN; i++) + mac_addr[i] = mac_addr_u32[i]; + for (i = 0; i < OG_WOL_REPEAT; i++) + memcpy(&msg.mac_addr[i][0], mac_addr, OG_WOL_MACADDR_LEN); + + switch (wol_delivery_type) { + case OG_WOL_BROADCAST: + ret = wake_up_broadcast(s, &dest, &msg); + broadcast_addr.s_addr = addr->s_addr | ~netmask->s_addr; + ret |= wake_up_send(s, &dest, &msg, &broadcast_addr); + break; + case OG_WOL_UNICAST: + ret = wake_up_send(s, &dest, &msg, addr); + break; + default: + syslog(LOG_ERR, "unknown wol type\n"); + ret = -1; + break; + } + + return ret; +} + #define OG_WOL_CLIENT_TIMEOUT 60. static void og_client_wol_timer_cb(struct ev_loop *loop, ev_timer *timer, |