From 216986e8481c81cd81a14138f5f7076c495bb2b4 Mon Sep 17 00:00:00 2001 From: OpenGnSys Support Team Date: Wed, 22 Dec 2021 16:38:29 +0100 Subject: #915 consolidate WoL sender function This patch aims simplifies the WoL sender routine. A few related changes: - Replace goto err to continue if IP address is malformed - Use ret |= instead of ret &= to accumulate error code. --- src/ogAdmLib.h | 2 -- src/ogAdmServer.c | 76 ------------------------------------------------------- src/ogAdmServer.h | 1 - src/rest.c | 24 ++++++++++++------ src/wol.c | 60 ++++++++++++++++++++++++++++++++++++++----- src/wol.h | 11 ++++---- 6 files changed, 74 insertions(+), 100 deletions(-) (limited to 'src') diff --git a/src/ogAdmLib.h b/src/ogAdmLib.h index 1845c2b..3e7de97 100644 --- a/src/ogAdmLib.h +++ b/src/ogAdmLib.h @@ -34,8 +34,6 @@ #define ANNOREF 2009 // Año de referencia base -#define PUERTO_WAKEUP 9 // Puerto wake up - #define MAXHARDWARE 128 // Máximos elementos hardware a detectar #define MAXSOFTWARE 8096 // Máximos elementos software a detectar diff --git a/src/ogAdmServer.c b/src/ogAdmServer.c index 2b64254..8c6702f 100644 --- a/src/ogAdmServer.c +++ b/src/ogAdmServer.c @@ -271,82 +271,6 @@ int checkDato(struct og_dbi *dbi, char *dato, const char *tabla, return (identificador); } -enum wol_delivery_type { - OG_WOL_BROADCAST = 1, - OG_WOL_UNICAST = 2 -}; - -//_____________________________________________________________________________________________________________ -// Función: WakeUp -// -// Descripción: -// Enciende el ordenador cuya MAC se pasa como parámetro -// Parámetros: -// - s : Socket para enviar trama magic packet -// - iph : Cadena con la dirección ip -// - mac : Cadena con la dirección mac en formato XXXXXXXXXXXX -// - mar: Método de arranque (1=Broadcast, 2=Unicast) -// Devuelve: -// true: Si el proceso es correcto -// false: En caso de ocurrir algún error -//_____________________________________________________________________________________________________________ -// -bool WakeUp(int s, const char *iph, const char *mac, const char *netmask, const char *mar) -{ - struct in_addr addr, netmask_addr, broadcast_addr ={}; - unsigned int macaddr[OG_WOL_MACADDR_LEN]; - char HDaddress_bin[OG_WOL_MACADDR_LEN]; - struct sockaddr_in WakeUpCliente; - struct wol_msg Trama_WakeUp; - bool ret; - int i; - - if (!inet_aton(iph, &addr)) { - syslog(LOG_ERR, "bad IP address\n"); - return false; - } - - if (!inet_aton(netmask, &netmask_addr)) { - syslog(LOG_ERR, "bad netmask address: %s\n", netmask); - return false; - } - - broadcast_addr.s_addr = addr.s_addr | ~netmask_addr.s_addr; - - for (i = 0; i < 6; i++) // Primera secuencia de la trama Wake Up (0xFFFFFFFFFFFF) - Trama_WakeUp.secuencia_FF[i] = 0xFF; - - sscanf(mac, "%02x%02x%02x%02x%02x%02x", - &macaddr[0], &macaddr[1], &macaddr[2], - &macaddr[3], &macaddr[4], &macaddr[5]); - - for (i = 0; i < 6; i++) - HDaddress_bin[i] = (uint8_t)macaddr[i]; - - for (i = 0; i < 16; i++) // Segunda secuencia de la trama Wake Up , repetir 16 veces su la MAC - memcpy(&Trama_WakeUp.macbin[i][0], &HDaddress_bin, 6); - - /* Creación de socket del cliente que recibe la trama magic packet */ - WakeUpCliente.sin_family = AF_INET; - WakeUpCliente.sin_port = htons((short) PUERTO_WAKEUP); - - switch (atoi(mar)) { - case OG_WOL_BROADCAST: - ret = wake_up_broadcast(s, &WakeUpCliente, &Trama_WakeUp); - ret &= wake_up_send(s, &WakeUpCliente, &Trama_WakeUp, - &broadcast_addr); - break; - case OG_WOL_UNICAST: - ret = wake_up_send(s, &WakeUpCliente, &Trama_WakeUp, &addr); - break; - default: - syslog(LOG_ERR, "unknown wol type\n"); - ret = false; - break; - } - return ret; -} - // ________________________________________________________________________________________________________ // Función: actualizaCreacionImagen // diff --git a/src/ogAdmServer.h b/src/ogAdmServer.h index 0768561..59c7ea1 100644 --- a/src/ogAdmServer.h +++ b/src/ogAdmServer.h @@ -23,7 +23,6 @@ struct og_dbi; bool actualizaConfiguracion(struct og_dbi *,char* ,int); -bool WakeUp(int, const char *, const char *, const char *, const char *); bool actualizaCreacionImagen(struct og_dbi *,char*,char*,char*,char*,char*,char*); bool actualizaHardware(struct og_dbi *dbi, char* ,char*,char*,char*); bool cuestionPerfilHardware(struct og_dbi *dbi,char*,char*,int,char*,char*,int *,int); diff --git a/src/rest.c b/src/rest.c index 1a5afa1..99db577 100644 --- a/src/rest.c +++ b/src/rest.c @@ -512,8 +512,8 @@ static int og_cmd_wol(json_t *element, struct og_msg_params *params) { char ips_str[(OG_DB_IP_MAXLEN + 1) * OG_CLIENTS_MAX + 1] = {}; struct og_client_wol *cli_wol; + struct in_addr addr, netmask; int ips_str_len = 0; - struct in_addr addr; const char *msglog; struct og_dbi *dbi; int err = 0, i = 0; @@ -593,7 +593,7 @@ static int og_cmd_wol(json_t *element, struct og_msg_params *params) continue; if (inet_aton(params->ips_array[i], &addr) < 0) - goto err_out; + continue; cli_wol = og_client_wol_find(&addr); if (cli_wol) { @@ -607,8 +607,11 @@ static int og_cmd_wol(json_t *element, struct og_msg_params *params) list_add_tail(&cli_wol->list, &client_wol_list); - if (!WakeUp(sd, params->ips_array[i], params->mac_array[i], - params->netmask_array[i], params->wol_type)) { + if (inet_aton(params->netmask_array[i], &netmask) < 0) + continue; + + if (wake_up(sd, &addr, &netmask, params->mac_array[i], + atoi(params->wol_type)) < 0) { syslog(LOG_ERR, "Failed to send wol packet to %s\n", params->ips_array[i]); continue; @@ -3164,8 +3167,9 @@ void og_schedule_run(unsigned int task_id, unsigned int schedule_id, enum og_schedule_type type) { struct og_msg_params params = {}; - bool duplicated = false; + struct in_addr addr, netmask; struct og_cmd *cmd, *next; + bool duplicated = false; struct og_dbi *dbi; unsigned int i; int sd; @@ -3215,10 +3219,14 @@ void og_schedule_run(unsigned int task_id, unsigned int schedule_id, continue; for (i = 0; i < cmd->params.ips_array_len; i++) { - if (!WakeUp(sd, cmd->params.ips_array[i], + if (inet_aton(cmd->params.ips_array[i], &addr) < 0) + continue; + if (inet_aton(cmd->params.netmask_array[i], &netmask) < 0) + continue; + + if (wake_up(sd, &addr, &netmask, cmd->params.mac_array[i], - cmd->params.netmask_array[i], - cmd->params.wol_type)) { + atoi(cmd->params.wol_type)) < 0) { syslog(LOG_ERR, "Failed to send wol packet to %s\n", params.ips_array[i]); continue; diff --git a/src/wol.c b/src/wol.c index ad9991a..7f6464f 100644 --- a/src/wol.c +++ b/src/wol.c @@ -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, diff --git a/src/wol.h b/src/wol.h index a245592..8a6c974 100644 --- a/src/wol.h +++ b/src/wol.h @@ -4,21 +4,20 @@ #define OG_WOL_SEQUENCE 6 #define OG_WOL_MACADDR_LEN 6 #define OG_WOL_REPEAT 16 +#define OG_WOL_PORT 9 #include "list.h" #include #include struct wol_msg { - char secuencia_FF[OG_WOL_SEQUENCE]; - char macbin[OG_WOL_REPEAT][OG_WOL_MACADDR_LEN]; + char wol_sequence_ff[OG_WOL_SEQUENCE]; + char mac_addr[OG_WOL_REPEAT][OG_WOL_MACADDR_LEN]; }; int wol_socket_open(void); -bool wake_up_send(int sd, struct sockaddr_in *client, - const struct wol_msg *msg, const struct in_addr *addr); -bool wake_up_broadcast(int sd, struct sockaddr_in *client, - const struct wol_msg *msg); +int wake_up(int s, const struct in_addr *addr, const struct in_addr *netmask, + const char *mac, uint32_t wol_delivery_type); struct og_client_wol { struct list_head list; -- cgit v1.2.3-18-g5258