*
* DHCP client library with GLib integration
*
- * Copyright (C) 2009-2012 Intel Corporation. All rights reserved.
+ * Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
IPV4LL_ANNOUNCE,
IPV4LL_MONITOR,
IPV4LL_DEFEND,
- INFORMATION_REQ,
- SOLICITATION,
- REQUEST,
- RENEW,
- REBIND,
- RELEASE,
} ClientState;
struct _GDHCPClient {
uint32_t server_ip;
uint32_t requested_ip;
char *assigned_ip;
- time_t start;
uint32_t lease_seconds;
ListenMode listen_mode;
int listener_sockfd;
gpointer address_conflict_data;
GDHCPDebugFunc debug_func;
gpointer debug_data;
- GDHCPClientEventFunc information_req_cb;
- gpointer information_req_data;
- GDHCPClientEventFunc solicitation_cb;
- gpointer solicitation_data;
- GDHCPClientEventFunc advertise_cb;
- gpointer advertise_data;
- GDHCPClientEventFunc request_cb;
- gpointer request_data;
- GDHCPClientEventFunc renew_cb;
- gpointer renew_data;
- GDHCPClientEventFunc rebind_cb;
- gpointer rebind_data;
- GDHCPClientEventFunc release_cb;
- gpointer release_data;
char *last_address;
- unsigned char *duid;
- int duid_len;
- unsigned char *server_duid;
- int server_duid_len;
- uint16_t status_code;
- uint32_t iaid;
- uint32_t T1, T2;
- struct in6_addr ia_na;
- struct in6_addr ia_ta;
- time_t last_renew;
- time_t last_rebind;
- time_t expire;
+#if defined TIZEN_EXT
+ gboolean init_reboot;
+#endif
};
static inline void debug(GDHCPClient *client, const char *format, ...)
}
/* Initialize the packet with the proper defaults */
-static void init_packet(GDHCPClient *dhcp_client, gpointer pkt, char type)
+static void init_packet(GDHCPClient *dhcp_client,
+ struct dhcp_packet *packet, char type)
{
- if (dhcp_client->type == G_DHCP_IPV6)
- dhcpv6_init_header(pkt, type);
- else {
- struct dhcp_packet *packet = pkt;
+ dhcp_init_header(packet, type);
- dhcp_init_header(packet, type);
- memcpy(packet->chaddr, dhcp_client->mac_address, 6);
- }
+ memcpy(packet->chaddr, dhcp_client->mac_address, 6);
}
static void add_request_options(GDHCPClient *dhcp_client,
}
}
-struct hash_params {
- unsigned char *buf;
- int max_buf;
- unsigned char **ptr_buf;
-};
-
-static void add_dhcpv6_binary_option(gpointer key, gpointer value,
- gpointer user_data)
-{
- uint8_t *option = value;
- uint16_t len;
- struct hash_params *params = user_data;
-
- /* option[0][1] contains option code */
- len = option[2] << 8 | option[3];
-
- if ((*params->ptr_buf + len + 2 + 2) > (params->buf + params->max_buf))
- return;
-
- memcpy(*params->ptr_buf, option, len + 2 + 2);
- (*params->ptr_buf) += len + 2 + 2;
-}
-
-static void add_dhcpv6_send_options(GDHCPClient *dhcp_client,
- unsigned char *buf, int max_buf,
- unsigned char **ptr_buf)
-{
- struct hash_params params = {
- .buf = buf,
- .max_buf = max_buf,
- .ptr_buf = ptr_buf
- };
-
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
-
- g_hash_table_foreach(dhcp_client->send_value_hash,
- add_dhcpv6_binary_option, ¶ms);
-
- *ptr_buf = *params.ptr_buf;
-}
-
-static void copy_option(uint8_t *buf, uint16_t code, uint16_t len,
- uint8_t *msg)
-{
- buf[0] = code >> 8;
- buf[1] = code & 0xff;
- buf[2] = len >> 8;
- buf[3] = len & 0xff;
- if (len > 0 && msg != NULL)
- memcpy(&buf[4], msg, len);
-}
-
-static void add_dhcpv6_request_options(GDHCPClient *dhcp_client,
- struct dhcpv6_packet *packet,
- unsigned char *buf, int max_buf,
- unsigned char **ptr_buf)
-{
- GList *list;
- uint16_t code;
- int len;
-
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
-
- for (list = dhcp_client->request_list; list; list = list->next) {
- code = (uint16_t) GPOINTER_TO_INT(list->data);
-
- switch (code) {
- case G_DHCPV6_CLIENTID:
- if (dhcp_client->duid == NULL)
- return;
-
- len = 2 + 2 + dhcp_client->duid_len;
- if ((*ptr_buf + len) > (buf + max_buf)) {
- debug(dhcp_client, "Too long dhcpv6 message "
- "when writing client id option");
- return;
- }
-
- copy_option(*ptr_buf, G_DHCPV6_CLIENTID,
- dhcp_client->duid_len, dhcp_client->duid);
- (*ptr_buf) += len;
- break;
-
- case G_DHCPV6_SERVERID:
- if (dhcp_client->server_duid == NULL)
- return;
-
- len = 2 + 2 + dhcp_client->server_duid_len;
- if ((*ptr_buf + len) > (buf + max_buf)) {
- debug(dhcp_client, "Too long dhcpv6 message "
- "when writing server id option");
- return;
- }
-
- copy_option(*ptr_buf, G_DHCPV6_SERVERID,
- dhcp_client->server_duid_len,
- dhcp_client->server_duid);
- (*ptr_buf) += len;
- break;
-
- case G_DHCPV6_RAPID_COMMIT:
- len = 2 + 2;
- if ((*ptr_buf + len) > (buf + max_buf)) {
- debug(dhcp_client, "Too long dhcpv6 message "
- "when writing rapid commit option");
- return;
- }
-
- copy_option(*ptr_buf, G_DHCPV6_RAPID_COMMIT, 0, 0);
- (*ptr_buf) += len;
- break;
-
- case G_DHCPV6_ORO:
- break;
-
- case G_DHCPV6_DNS_SERVERS:
- break;
-
- case G_DHCPV6_SNTP_SERVERS:
- break;
-
- default:
- break;
- }
- }
-}
-
static void add_binary_option(gpointer key, gpointer value, gpointer user_data)
{
uint8_t *option = value;
add_binary_option, packet);
}
-/*
- * Return an RFC 951- and 2131-complaint BOOTP 'secs' value that
- * represents the number of seconds elapsed from the start of
- * attempting DHCP to satisfy some DHCP servers that allow for an
- * "authoritative" reply before responding.
- */
-static uint16_t dhcp_attempt_secs(GDHCPClient *dhcp_client)
-{
- return htons(MIN(time(NULL) - dhcp_client->start, UINT16_MAX));
-}
-
static int send_discover(GDHCPClient *dhcp_client, uint32_t requested)
{
struct dhcp_packet packet;
init_packet(dhcp_client, &packet, DHCPDISCOVER);
packet.xid = dhcp_client->xid;
- packet.secs = dhcp_attempt_secs(dhcp_client);
if (requested)
dhcp_add_simple_option(&packet, DHCP_REQUESTED_IP, requested);
init_packet(dhcp_client, &packet, DHCPREQUEST);
packet.xid = dhcp_client->xid;
- packet.secs = dhcp_attempt_secs(dhcp_client);
dhcp_add_simple_option(&packet, DHCP_REQUESTED_IP,
dhcp_client->requested_ip);
+#if defined TIZEN_EXT
+ if (dhcp_client->init_reboot != TRUE)
+#endif
dhcp_add_simple_option(&packet, DHCP_SERVER_ID, dhcp_client->server_ip);
add_request_options(dhcp_client, &packet);
close(sk);
}
-int g_dhcpv6_create_duid(GDHCPDuidType duid_type, int index, int type,
- unsigned char **duid, int *duid_len)
-{
- time_t duid_time;
-
- switch (duid_type) {
- case G_DHCPV6_DUID_LLT:
- *duid_len = 2 + 2 + 4 + ETH_ALEN;
- *duid = g_try_malloc(*duid_len);
- if (*duid == NULL)
- return -ENOMEM;
-
- (*duid)[0] = 0;
- (*duid)[1] = 1;
- get_interface_mac_address(index, &(*duid)[2 + 2 + 4]);
- (*duid)[2] = 0;
- (*duid)[3] = type;
- duid_time = time(NULL) - DUID_TIME_EPOCH;
- (*duid)[4] = duid_time >> 24;
- (*duid)[5] = duid_time >> 16;
- (*duid)[6] = duid_time >> 8;
- (*duid)[7] = duid_time & 0xff;
- break;
- case G_DHCPV6_DUID_EN:
- return -EINVAL;
- case G_DHCPV6_DUID_LL:
- *duid_len = 2 + 2 + ETH_ALEN;
- *duid = g_try_malloc(*duid_len);
- if (*duid == NULL)
- return -ENOMEM;
-
- (*duid)[0] = 0;
- (*duid)[1] = 3;
- get_interface_mac_address(index, &(*duid)[2 + 2]);
- (*duid)[2] = 0;
- (*duid)[3] = type;
- break;
- }
-
- return 0;
-}
-
-int g_dhcpv6_client_set_duid(GDHCPClient *dhcp_client, unsigned char *duid,
- int duid_len)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return -EINVAL;
-
- g_free(dhcp_client->duid);
-
- dhcp_client->duid = duid;
- dhcp_client->duid_len = duid_len;
-
- return 0;
-}
-
-uint32_t g_dhcpv6_client_get_iaid(GDHCPClient *dhcp_client)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return 0;
-
- return dhcp_client->iaid;
-}
-
-void g_dhcpv6_client_create_iaid(GDHCPClient *dhcp_client, int index,
- unsigned char *iaid)
-{
- uint8_t buf[6];
-
- get_interface_mac_address(index, buf);
-
- memcpy(iaid, &buf[2], 4);
- dhcp_client->iaid = iaid[0] << 24 |
- iaid[1] << 16 | iaid[2] << 8 | iaid[3];
-}
-
-int g_dhcpv6_client_get_timeouts(GDHCPClient *dhcp_client,
- uint32_t *T1, uint32_t *T2,
- time_t *last_renew, time_t *last_rebind,
- time_t *expire)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return -EINVAL;
-
- if (T1 != NULL)
- *T1 = dhcp_client->T1;
-
- if (T2 != NULL)
- *T2 = dhcp_client->T2;
-
- if (last_renew != NULL)
- *last_renew = dhcp_client->last_renew;
-
- if (last_rebind != NULL)
- *last_rebind = dhcp_client->last_rebind;
-
- if (expire != NULL)
- *expire = dhcp_client->expire;
-
- return 0;
-}
-
-static uint8_t *create_iaaddr(GDHCPClient *dhcp_client, uint8_t *buf,
- uint16_t len)
-{
- buf[0] = 0;
- buf[1] = G_DHCPV6_IAADDR;
- buf[2] = 0;
- buf[3] = len;
- memcpy(&buf[4], &dhcp_client->ia_na, 16);
- memset(&buf[20], 0, 4); /* preferred */
- memset(&buf[24], 0, 4); /* valid */
- return buf;
-}
-
-static void put_iaid(GDHCPClient *dhcp_client, int index, uint8_t *buf)
-{
- uint32_t iaid;
-
- iaid = g_dhcpv6_client_get_iaid(dhcp_client);
- if (iaid == 0) {
- g_dhcpv6_client_create_iaid(dhcp_client, index, buf);
- return;
- }
-
- buf[0] = iaid >> 24;
- buf[1] = iaid >> 16;
- buf[2] = iaid >> 8;
- buf[3] = iaid;
-}
-
-int g_dhcpv6_client_set_ia(GDHCPClient *dhcp_client, int index,
- int code, uint32_t *T1, uint32_t *T2,
- gboolean add_iaaddr)
-{
- if (code == G_DHCPV6_IA_TA) {
- uint8_t ia_options[4];
-
- put_iaid(dhcp_client, index, ia_options);
-
- g_dhcp_client_set_request(dhcp_client, G_DHCPV6_IA_TA);
- g_dhcpv6_client_set_send(dhcp_client, G_DHCPV6_IA_TA,
- ia_options, sizeof(ia_options));
-
- } else if (code == G_DHCPV6_IA_NA) {
-
- g_dhcp_client_set_request(dhcp_client, G_DHCPV6_IA_NA);
-
- if (add_iaaddr == TRUE) {
-#define IAADDR_LEN (16+4+4)
- uint8_t ia_options[4+4+4+2+2+IAADDR_LEN];
-
- put_iaid(dhcp_client, index, ia_options);
-
- if (T1 != NULL) {
- ia_options[4] = *T1 >> 24;
- ia_options[5] = *T1 >> 16;
- ia_options[6] = *T1 >> 8;
- ia_options[7] = *T1;
- } else
- memset(&ia_options[4], 0x00, 4);
-
- if (T2 != NULL) {
- ia_options[8] = *T2 >> 24;
- ia_options[9] = *T2 >> 16;
- ia_options[10] = *T2 >> 8;
- ia_options[11] = *T2;
- } else
- memset(&ia_options[8], 0x00, 4);
-
- create_iaaddr(dhcp_client, &ia_options[12],
- IAADDR_LEN);
-
- g_dhcpv6_client_set_send(dhcp_client, G_DHCPV6_IA_NA,
- ia_options, sizeof(ia_options));
- } else {
- uint8_t ia_options[4+4+4];
-
- put_iaid(dhcp_client, index, ia_options);
-
- memset(&ia_options[4], 0x00, 4); /* T1 (4 bytes) */
- memset(&ia_options[8], 0x00, 4); /* T2 (4 bytes) */
-
- g_dhcpv6_client_set_send(dhcp_client, G_DHCPV6_IA_NA,
- ia_options, sizeof(ia_options));
- }
-
- } else
- return -EINVAL;
-
- return 0;
-}
-
-int g_dhcpv6_client_set_oro(GDHCPClient *dhcp_client, int args, ...)
-{
- va_list va;
- int i, j, len = sizeof(uint16_t) * args;
- uint8_t *values;
-
- values = g_try_malloc(len);
- if (values == NULL)
- return -ENOMEM;
-
- va_start(va, args);
- for (i = 0, j = 0; i < args; i++) {
- uint16_t value = va_arg(va, int);
- values[j++] = value >> 8;
- values[j++] = value & 0xff;
- }
- va_end(va);
-
- g_dhcpv6_client_set_send(dhcp_client, G_DHCPV6_ORO, values, len);
-
- return 0;
-}
-
-static int send_dhcpv6_msg(GDHCPClient *dhcp_client, int type, char *msg)
-{
- struct dhcpv6_packet *packet;
- uint8_t buf[MAX_DHCPV6_PKT_SIZE];
- unsigned char *ptr;
- int ret, max_buf;
-
- memset(buf, 0, sizeof(buf));
- packet = (struct dhcpv6_packet *)&buf[0];
- ptr = buf + sizeof(struct dhcpv6_packet);
-
- debug(dhcp_client, "sending DHCPv6 %s message", msg);
-
- init_packet(dhcp_client, packet, type);
-
- dhcp_client->xid = packet->transaction_id[0] << 16 |
- packet->transaction_id[1] << 8 |
- packet->transaction_id[2];
-
- max_buf = MAX_DHCPV6_PKT_SIZE - sizeof(struct dhcpv6_packet);
-
- add_dhcpv6_request_options(dhcp_client, packet, buf, max_buf, &ptr);
-
- add_dhcpv6_send_options(dhcp_client, buf, max_buf, &ptr);
-
- ret = dhcpv6_send_packet(dhcp_client->ifindex, packet, ptr - buf);
-
- debug(dhcp_client, "sent %d pkt %p len %d", ret, packet, ptr - buf);
- return ret;
-}
-
-static int send_solicitation(GDHCPClient *dhcp_client)
-{
- return send_dhcpv6_msg(dhcp_client, DHCPV6_SOLICIT, "solicit");
-}
-
-static int send_dhcpv6_request(GDHCPClient *dhcp_client)
-{
- return send_dhcpv6_msg(dhcp_client, DHCPV6_REQUEST, "request");
-}
-
-static int send_dhcpv6_renew(GDHCPClient *dhcp_client)
-{
- return send_dhcpv6_msg(dhcp_client, DHCPV6_RENEW, "renew");
-}
-
-static int send_dhcpv6_rebind(GDHCPClient *dhcp_client)
-{
- return send_dhcpv6_msg(dhcp_client, DHCPV6_REBIND, "rebind");
-}
-
-static int send_dhcpv6_release(GDHCPClient *dhcp_client)
-{
- return send_dhcpv6_msg(dhcp_client, DHCPV6_RELEASE, "release");
-}
-
-static int send_information_req(GDHCPClient *dhcp_client)
-{
- return send_dhcpv6_msg(dhcp_client, DHCPV6_INFORMATION_REQ,
- "information-req");
-}
-
static void remove_value(gpointer data, gpointer user_data)
{
char *value = data;
g_direct_equal, NULL, g_free);
dhcp_client->request_list = NULL;
dhcp_client->require_list = NULL;
- dhcp_client->duid = NULL;
- dhcp_client->duid_len = 0;
- dhcp_client->last_renew = dhcp_client->last_rebind = time(NULL);
- dhcp_client->expire = 0;
*error = G_DHCP_CLIENT_ERROR_NONE;
int target_conflict;
memset(&arp, 0, sizeof(arp));
+ bytes = 0;
bytes = read(dhcp_client->listener_sockfd, &arp, sizeof(arp));
if (bytes < 0)
return bytes;
return 0;
}
-static gboolean check_package_owner(GDHCPClient *dhcp_client, gpointer pkt)
+static gboolean check_package_owner(GDHCPClient *dhcp_client,
+ struct dhcp_packet *packet)
{
- if (dhcp_client->type == G_DHCP_IPV6) {
- struct dhcpv6_packet *packet6 = pkt;
- uint32_t xid;
-
- if (packet6 == NULL)
- return FALSE;
-
- xid = packet6->transaction_id[0] << 16 |
- packet6->transaction_id[1] << 8 |
- packet6->transaction_id[2];
-
- if (xid != dhcp_client->xid)
- return FALSE;
- } else {
- struct dhcp_packet *packet = pkt;
-
- if (packet->xid != dhcp_client->xid)
- return FALSE;
+ if (packet->xid != dhcp_client->xid)
+ return FALSE;
- if (packet->hlen != 6)
- return FALSE;
+ if (packet->hlen != 6)
+ return FALSE;
- if (memcmp(packet->chaddr, dhcp_client->mac_address, 6))
- return FALSE;
- }
+ if (memcmp(packet->chaddr, dhcp_client->mac_address, 6))
+ return FALSE;
return TRUE;
}
GIOChannel *listener_channel;
int listener_sockfd;
- if (dhcp_client->listen_mode == listen_mode)
- return 0;
-
debug(dhcp_client, "switch listening mode (%d ==> %d)",
dhcp_client->listen_mode, listen_mode);
+ if (dhcp_client->listen_mode == listen_mode)
+ return 0;
+
if (dhcp_client->listen_mode != L_NONE) {
- if (dhcp_client->listener_watch > 0)
- g_source_remove(dhcp_client->listener_watch);
+ g_source_remove(dhcp_client->listener_watch);
dhcp_client->listener_channel = NULL;
dhcp_client->listen_mode = L_NONE;
dhcp_client->listener_sockfd = -1;
if (listen_mode == L2)
listener_sockfd = dhcp_l2_socket(dhcp_client->ifindex);
- else if (listen_mode == L3) {
- if (dhcp_client->type == G_DHCP_IPV6)
- listener_sockfd = dhcp_l3_socket(DHCPV6_CLIENT_PORT,
- dhcp_client->interface,
- AF_INET6);
- else
- listener_sockfd = dhcp_l3_socket(CLIENT_PORT,
- dhcp_client->interface,
- AF_INET);
- } else if (listen_mode == L_ARP)
+ else if (listen_mode == L3)
+ listener_sockfd = dhcp_l3_socket(CLIENT_PORT,
+ dhcp_client->interface);
+ else if (listen_mode == L_ARP)
listener_sockfd = ipv4ll_arp_socket(dhcp_client->ifindex);
else
return -EIO;
return list;
}
-static inline uint32_t get_uint32(unsigned char *value)
-{
- return value[0] << 24 | value[1] << 16 |
- value[2] << 8 | value[3];
-}
-
-static inline uint16_t get_uint16(unsigned char *value)
-{
- return value[0] << 8 | value[1];
-}
-
-static GList *get_addresses(GDHCPClient *dhcp_client,
- int code, int len,
- unsigned char *value,
- uint16_t *status)
-{
- GList *list = NULL;
- struct in6_addr addr;
- uint32_t iaid, T1 = 0, T2 = 0, preferred = 0, valid = 0;
- uint16_t option_len, option_code, st = 0, max_len;
- int addr_count = 0, i, pos;
- uint8_t *option;
- char *str;
-
- if (value == NULL || len < 4)
- return NULL;
-
- iaid = get_uint32(&value[0]);
- if (dhcp_client->iaid != iaid)
- return NULL;
-
- if (code == G_DHCPV6_IA_NA) {
- T1 = get_uint32(&value[4]);
- T2 = get_uint32(&value[8]);
-
- if (T1 > T2)
- /* RFC 3315, 22.4 */
- return NULL;
-
- pos = 12;
- } else
- pos = 4;
-
- if (len <= pos)
- return NULL;
-
- max_len = len - pos;
-
- /* We have more sub-options in this packet. */
- do {
- option = dhcpv6_get_sub_option(&value[pos], max_len,
- &option_code, &option_len);
-
- debug(dhcp_client, "pos %d option %p code %d len %d",
- pos, option, option_code, option_len);
-
- if (option == NULL)
- break;
-
- if (pos >= max_len)
- break;
-
- switch (option_code) {
- case G_DHCPV6_IAADDR:
- i = 0;
- memcpy(&addr, &option[0], sizeof(addr));
- i += sizeof(addr);
- preferred = get_uint32(&option[i]);
- i += 4;
- valid = get_uint32(&option[i]);
-
- addr_count++;
- break;
-
- case G_DHCPV6_STATUS_CODE:
- st = get_uint16(&option[0]);
- debug(dhcp_client, "error code %d", st);
- if (option_len > 2) {
- str = g_strndup((gchar *)&option[2],
- option_len - 2);
- debug(dhcp_client, "error text: %s", str);
- g_free(str);
- }
-
- *status = st;
- break;
- }
-
- pos += 2 + 2 + option_len;
-
- } while (option != NULL);
-
- if (addr_count > 0 && st == 0) {
- /* We only support one address atm */
- char str[INET6_ADDRSTRLEN + 1];
-
- if (preferred > valid)
- /* RFC 3315, 22.6 */
- return NULL;
-
- dhcp_client->T1 = T1;
- dhcp_client->T2 = T2;
-
- inet_ntop(AF_INET6, &addr, str, INET6_ADDRSTRLEN);
- debug(dhcp_client, "count %d addr %s T1 %u T2 %u",
- addr_count, str, T1, T2);
-
- list = g_list_append(list, g_strdup(str));
-
- if (code == G_DHCPV6_IA_NA)
- memcpy(&dhcp_client->ia_na, &addr,
- sizeof(struct in6_addr));
- else
- memcpy(&dhcp_client->ia_ta, &addr,
- sizeof(struct in6_addr));
-
- g_dhcpv6_client_set_expire(dhcp_client, valid);
- }
-
- return list;
-}
-
-static GList *get_dhcpv6_option_value_list(GDHCPClient *dhcp_client,
- int code, int len,
- unsigned char *value,
- uint16_t *status)
-{
- GList *list = NULL;
- char *str;
- int i;
-
- if (value == NULL)
- return NULL;
-
- switch (code) {
- case G_DHCPV6_DNS_SERVERS: /* RFC 3646, chapter 3 */
- case G_DHCPV6_SNTP_SERVERS: /* RFC 4075, chapter 4 */
- if (len % 16) {
- debug(dhcp_client,
- "%s server list length (%d) is invalid",
- code == G_DHCPV6_DNS_SERVERS ? "DNS" : "SNTP",
- len);
- return NULL;
- }
- for (i = 0; i < len; i += 16) {
-
- str = g_try_malloc0(INET6_ADDRSTRLEN+1);
- if (str == NULL)
- return list;
-
- if (inet_ntop(AF_INET6, &value[i], str,
- INET6_ADDRSTRLEN) == NULL)
- g_free(str);
- else
- list = g_list_append(list, str);
- }
- break;
-
- case G_DHCPV6_IA_NA: /* RFC 3315, chapter 22.4 */
- case G_DHCPV6_IA_TA: /* RFC 3315, chapter 22.5 */
- list = get_addresses(dhcp_client, code, len, value, status);
- break;
-
- default:
- break;
- }
-
- return list;
-}
-
-static void get_dhcpv6_request(GDHCPClient *dhcp_client,
- struct dhcpv6_packet *packet,
- uint16_t pkt_len, uint16_t *status)
-{
- GList *list, *value_list;
- uint8_t *option;
- uint16_t code;
- uint16_t option_len;
-
- for (list = dhcp_client->request_list; list; list = list->next) {
- code = (uint16_t) GPOINTER_TO_INT(list->data);
-
- option = dhcpv6_get_option(packet, pkt_len, code, &option_len,
- NULL);
- if (option == NULL) {
- g_hash_table_remove(dhcp_client->code_value_hash,
- GINT_TO_POINTER((int) code));
- continue;
- }
-
- value_list = get_dhcpv6_option_value_list(dhcp_client, code,
- option_len, option, status);
-
- debug(dhcp_client, "code %d %p len %d list %p", code, option,
- option_len, value_list);
-
- if (value_list == NULL)
- g_hash_table_remove(dhcp_client->code_value_hash,
- GINT_TO_POINTER((int) code));
- else
- g_hash_table_insert(dhcp_client->code_value_hash,
- GINT_TO_POINTER((int) code), value_list);
- }
-}
-
static void get_request(GDHCPClient *dhcp_client, struct dhcp_packet *packet)
{
GDHCPOptionType type;
{
GDHCPClient *dhcp_client = user_data;
struct dhcp_packet packet;
- struct dhcpv6_packet *packet6 = NULL;
- uint8_t *message_type = NULL, *client_id = NULL, *option_u8,
- *server_id = NULL;
- uint16_t option_len = 0, status = 0;
- gpointer pkt;
- unsigned char buf[MAX_DHCPV6_PKT_SIZE];
- uint16_t pkt_len = 0;
- int count;
+ uint8_t *message_type, *option_u8;
int re;
if (condition & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
if (dhcp_client->listen_mode == L_NONE)
return FALSE;
- pkt = &packet;
-
if (dhcp_client->listen_mode == L2)
- re = dhcp_recv_l2_packet(&packet,
- dhcp_client->listener_sockfd);
- else if (dhcp_client->listen_mode == L3) {
- if (dhcp_client->type == G_DHCP_IPV6) {
- re = dhcpv6_recv_l3_packet(&packet6, buf, sizeof(buf),
- dhcp_client->listener_sockfd);
- pkt_len = re;
- pkt = packet6;
- } else
- re = dhcp_recv_l3_packet(&packet,
- dhcp_client->listener_sockfd);
- } else if (dhcp_client->listen_mode == L_ARP) {
- ipv4ll_recv_arp_packet(dhcp_client);
+ re = dhcp_recv_l2_packet(&packet, dhcp_client->listener_sockfd);
+ else if (dhcp_client->listen_mode == L3)
+ re = dhcp_recv_l3_packet(&packet, dhcp_client->listener_sockfd);
+ else if (dhcp_client->listen_mode == L_ARP) {
+ re = ipv4ll_recv_arp_packet(dhcp_client);
return TRUE;
}
else
if (re < 0)
return TRUE;
- if (check_package_owner(dhcp_client, pkt) == FALSE)
+ if (check_package_owner(dhcp_client, &packet) == FALSE)
return TRUE;
- if (dhcp_client->type == G_DHCP_IPV6) {
- count = 0;
- client_id = dhcpv6_get_option(packet6, pkt_len,
- G_DHCPV6_CLIENTID, &option_len, &count);
-
- if (client_id == NULL || count == 0 || option_len == 0 ||
- memcmp(dhcp_client->duid, client_id,
- dhcp_client->duid_len) != 0) {
- debug(dhcp_client,
- "client duid error, discarding msg %p/%d/%d",
- client_id, option_len, count);
- return TRUE;
- }
-
- option_u8 = dhcpv6_get_option(packet6, pkt_len,
- G_DHCPV6_STATUS_CODE, &option_len, NULL);
- if (option_u8 != 0 && option_len > 0) {
- status = option_u8[0]<<8 | option_u8[1];
- if (status != 0) {
- debug(dhcp_client, "error code %d", status);
- if (option_len > 2) {
- gchar *txt = g_strndup(
- (gchar *)&option_u8[2],
- option_len - 2);
- debug(dhcp_client, "error text: %s",
- txt);
- g_free(txt);
- }
- }
- dhcp_client->status_code = status;
- } else
- dhcp_client->status_code = 0;
-
- } else {
- message_type = dhcp_get_option(&packet, DHCP_MESSAGE_TYPE);
- if (message_type == NULL)
- return TRUE;
- }
-
- if (message_type == NULL && client_id == NULL)
- /* No message type / client id option, ignore package */
+ message_type = dhcp_get_option(&packet, DHCP_MESSAGE_TYPE);
+ if (message_type == NULL)
+ /* No message type option, ignore package */
return TRUE;
debug(dhcp_client, "received DHCP packet (current state %d)",
dhcp_client->timeout = 0;
dhcp_client->lease_seconds = get_lease(&packet);
+#if defined TIZEN_EXT
+ debug(dhcp_client, "lease %d secs", dhcp_client->lease_seconds);
+#endif
get_request(dhcp_client, &packet);
if (dhcp_client->timeout > 0)
g_source_remove(dhcp_client->timeout);
+#if defined TIZEN_EXT
+ g_dhcp_client_set_address_known(dhcp_client, FALSE);
+#endif
dhcp_client->timeout = g_timeout_add_seconds_full(
G_PRIORITY_HIGH, 3,
restart_dhcp_timeout,
}
break;
- case SOLICITATION:
- if (dhcp_client->type != G_DHCP_IPV6)
- return TRUE;
-
- if (packet6->message != DHCPV6_REPLY &&
- packet6->message != DHCPV6_ADVERTISE)
- return TRUE;
-
- count = 0;
- server_id = dhcpv6_get_option(packet6, pkt_len,
- G_DHCPV6_SERVERID, &option_len, &count);
- if (server_id == NULL || count != 1 || option_len == 0) {
- /* RFC 3315, 15.10 */
- debug(dhcp_client,
- "server duid error, discarding msg %p/%d/%d",
- server_id, option_len, count);
- return TRUE;
- }
- dhcp_client->server_duid = g_try_malloc(option_len);
- if (dhcp_client->server_duid == NULL)
- return TRUE;
- memcpy(dhcp_client->server_duid, server_id, option_len);
- dhcp_client->server_duid_len = option_len;
-
- if (packet6->message == DHCPV6_REPLY) {
- uint8_t *rapid_commit;
- count = 0;
- option_len = 0;
- rapid_commit = dhcpv6_get_option(packet6, pkt_len,
- G_DHCPV6_RAPID_COMMIT,
- &option_len, &count);
- if (rapid_commit == NULL || option_len == 0 ||
- count != 1)
- /* RFC 3315, 17.1.4 */
- return TRUE;
- }
-
- switch_listening_mode(dhcp_client, L_NONE);
-
- if (dhcp_client->status_code == 0)
- get_dhcpv6_request(dhcp_client, packet6, pkt_len,
- &dhcp_client->status_code);
-
- if (packet6->message == DHCPV6_ADVERTISE) {
- if (dhcp_client->advertise_cb != NULL)
- dhcp_client->advertise_cb(dhcp_client,
- dhcp_client->advertise_data);
- return TRUE;
- }
-
- if (dhcp_client->solicitation_cb != NULL) {
- /*
- * The dhcp_client might not be valid after the
- * callback call so just return immediately.
- */
- dhcp_client->solicitation_cb(dhcp_client,
- dhcp_client->solicitation_data);
- return TRUE;
- }
- break;
- case INFORMATION_REQ:
- case REQUEST:
- case RENEW:
- case REBIND:
- case RELEASE:
- if (dhcp_client->type != G_DHCP_IPV6)
- return TRUE;
-
- if (packet6->message != DHCPV6_REPLY)
- return TRUE;
-
- count = 0;
- option_len = 0;
- server_id = dhcpv6_get_option(packet6, pkt_len,
- G_DHCPV6_SERVERID, &option_len, &count);
- if (server_id == NULL || count != 1 || option_len == 0 ||
- (dhcp_client->server_duid_len > 0 &&
- memcmp(dhcp_client->server_duid, server_id,
- dhcp_client->server_duid_len) != 0)) {
- /* RFC 3315, 15.10 */
- debug(dhcp_client,
- "server duid error, discarding msg %p/%d/%d",
- server_id, option_len, count);
- return TRUE;
- }
-
- switch_listening_mode(dhcp_client, L_NONE);
-
- dhcp_client->status_code = 0;
- get_dhcpv6_request(dhcp_client, packet6, pkt_len,
- &dhcp_client->status_code);
-
- if (dhcp_client->information_req_cb != NULL) {
- /*
- * The dhcp_client might not be valid after the
- * callback call so just return immediately.
- */
- dhcp_client->information_req_cb(dhcp_client,
- dhcp_client->information_req_data);
- return TRUE;
- }
- if (dhcp_client->request_cb != NULL) {
- dhcp_client->request_cb(dhcp_client,
- dhcp_client->request_data);
- return TRUE;
- }
- if (dhcp_client->renew_cb != NULL) {
- dhcp_client->renew_cb(dhcp_client,
- dhcp_client->renew_data);
- return TRUE;
- }
- if (dhcp_client->rebind_cb != NULL) {
- dhcp_client->rebind_cb(dhcp_client,
- dhcp_client->rebind_data);
- return TRUE;
- }
- if (dhcp_client->release_cb != NULL) {
- dhcp_client->release_cb(dhcp_client,
- dhcp_client->release_data);
- return TRUE;
- }
- break;
default:
break;
}
int re;
uint32_t addr;
- if (dhcp_client->type == G_DHCP_IPV6) {
- if (dhcp_client->information_req_cb) {
- dhcp_client->state = INFORMATION_REQ;
- re = switch_listening_mode(dhcp_client, L3);
- if (re != 0) {
- switch_listening_mode(dhcp_client, L_NONE);
- dhcp_client->state = 0;
- return re;
- }
- send_information_req(dhcp_client);
-
- } else if (dhcp_client->solicitation_cb) {
- dhcp_client->state = SOLICITATION;
- re = switch_listening_mode(dhcp_client, L3);
- if (re != 0) {
- switch_listening_mode(dhcp_client, L_NONE);
- dhcp_client->state = 0;
- return re;
- }
- send_solicitation(dhcp_client);
-
- } else if (dhcp_client->request_cb) {
- dhcp_client->state = REQUEST;
- re = switch_listening_mode(dhcp_client, L3);
- if (re != 0) {
- switch_listening_mode(dhcp_client, L_NONE);
- dhcp_client->state = 0;
- return re;
- }
- send_dhcpv6_request(dhcp_client);
-
- } else if (dhcp_client->renew_cb) {
- dhcp_client->state = RENEW;
- re = switch_listening_mode(dhcp_client, L3);
- if (re != 0) {
- switch_listening_mode(dhcp_client, L_NONE);
- dhcp_client->state = 0;
- return re;
- }
- send_dhcpv6_renew(dhcp_client);
-
- } else if (dhcp_client->rebind_cb) {
- dhcp_client->state = REBIND;
- re = switch_listening_mode(dhcp_client, L3);
- if (re != 0) {
- switch_listening_mode(dhcp_client, L_NONE);
- dhcp_client->state = 0;
- return re;
- }
- send_dhcpv6_rebind(dhcp_client);
-
- } else if (dhcp_client->release_cb) {
- dhcp_client->state = RENEW;
- re = switch_listening_mode(dhcp_client, L3);
- if (re != 0) {
- switch_listening_mode(dhcp_client, L_NONE);
- dhcp_client->state = 0;
- return re;
- }
- send_dhcpv6_release(dhcp_client);
- }
-
- return 0;
- }
-
if (dhcp_client->retry_times == DISCOVER_RETRIES) {
ipv4ll_start(dhcp_client);
return 0;
return re;
dhcp_client->xid = rand();
- dhcp_client->start = time(NULL);
}
if (last_address == NULL) {
dhcp_client->last_address = g_strdup(last_address);
}
}
+#if defined TIZEN_EXT
+ if (dhcp_client->init_reboot == TRUE) {
+ dhcp_client->requested_ip = addr;
+
+ start_request(dhcp_client);
+
+ return 0;
+ }
+#endif
send_discover(dhcp_client, addr);
dhcp_client->timeout = g_timeout_add_seconds_full(G_PRIORITY_HIGH,
dhcp_client->lease_available_data = data;
return;
case G_DHCP_CLIENT_EVENT_IPV4LL_AVAILABLE:
- if (dhcp_client->type == G_DHCP_IPV6)
- return;
dhcp_client->ipv4ll_available_cb = func;
dhcp_client->ipv4ll_available_data = data;
return;
dhcp_client->lease_lost_data = data;
return;
case G_DHCP_CLIENT_EVENT_IPV4LL_LOST:
- if (dhcp_client->type == G_DHCP_IPV6)
- return;
dhcp_client->ipv4ll_lost_cb = func;
dhcp_client->ipv4ll_lost_data = data;
return;
dhcp_client->address_conflict_cb = func;
dhcp_client->address_conflict_data = data;
return;
- case G_DHCP_CLIENT_EVENT_INFORMATION_REQ:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->information_req_cb = func;
- dhcp_client->information_req_data = data;
- return;
- case G_DHCP_CLIENT_EVENT_SOLICITATION:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->solicitation_cb = func;
- dhcp_client->solicitation_data = data;
- return;
- case G_DHCP_CLIENT_EVENT_ADVERTISE:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->advertise_cb = func;
- dhcp_client->advertise_data = data;
- return;
- case G_DHCP_CLIENT_EVENT_REQUEST:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->request_cb = func;
- dhcp_client->request_data = data;
- return;
- case G_DHCP_CLIENT_EVENT_RENEW:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->renew_cb = func;
- dhcp_client->renew_data = data;
- return;
- case G_DHCP_CLIENT_EVENT_REBIND:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->rebind_cb = func;
- dhcp_client->rebind_data = data;
- return;
- case G_DHCP_CLIENT_EVENT_RELEASE:
- if (dhcp_client->type == G_DHCP_IPV4)
- return;
- dhcp_client->release_cb = func;
- dhcp_client->release_data = data;
- return;
}
}
{
GList *option = NULL;
- if (dhcp_client->type == G_DHCP_IPV6)
- return NULL;
-
switch (dhcp_client->state) {
case IPV4LL_DEFEND:
case IPV4LL_MONITOR:
case RELEASED:
case IPV4LL_PROBE:
case IPV4LL_ANNOUNCE:
- case INFORMATION_REQ:
- case SOLICITATION:
- case REQUEST:
- case RENEW:
- case REBIND:
- case RELEASE:
break;
}
return NULL;
}
GDHCPClientError g_dhcp_client_set_request(GDHCPClient *dhcp_client,
- unsigned int option_code)
+ unsigned char option_code)
{
if (g_list_find(dhcp_client->request_list,
GINT_TO_POINTER((int) option_code)) == NULL)
return G_DHCP_CLIENT_ERROR_NONE;
}
-void g_dhcp_client_clear_requests(GDHCPClient *dhcp_client)
-{
- g_list_free(dhcp_client->request_list);
- dhcp_client->request_list = NULL;
-}
-
-void g_dhcp_client_clear_values(GDHCPClient *dhcp_client)
-{
- g_hash_table_remove_all(dhcp_client->send_value_hash);
-}
-
-static uint8_t *alloc_dhcp_option(int code, const uint8_t *data, unsigned size)
+static uint8_t *alloc_dhcp_option(int code, const char *str, int extra)
{
uint8_t *storage;
+ int len = strnlen(str, 255);
- storage = g_try_malloc(size + OPT_DATA);
- if (storage == NULL)
- return NULL;
-
+ storage = malloc(len + extra + OPT_DATA);
storage[OPT_CODE] = code;
- storage[OPT_LEN] = size;
- memcpy(&storage[OPT_DATA], data, size);
+ storage[OPT_LEN] = len + extra;
+ memcpy(storage + extra + OPT_DATA, str, len);
return storage;
}
-static uint8_t *alloc_dhcp_data_option(int code, const uint8_t *data, unsigned size)
-{
- return alloc_dhcp_option(code, data, MIN(size, 255));
-}
-
-static uint8_t *alloc_dhcp_string_option(int code, const char *str)
-{
- return alloc_dhcp_data_option(code, (const uint8_t *)str, strlen(str));
-}
-
-GDHCPClientError g_dhcp_client_set_id(GDHCPClient *dhcp_client)
-{
- const unsigned maclen = 6;
- const unsigned idlen = maclen + 1;
- const uint8_t option_code = G_DHCP_CLIENT_ID;
- uint8_t idbuf[idlen];
- uint8_t *data_option;
-
- idbuf[0] = ARPHRD_ETHER;
-
- memcpy(&idbuf[1], dhcp_client->mac_address, maclen);
-
- data_option = alloc_dhcp_data_option(option_code, idbuf, idlen);
- if (data_option == NULL)
- return G_DHCP_CLIENT_ERROR_NOMEM;
-
- g_hash_table_insert(dhcp_client->send_value_hash,
- GINT_TO_POINTER((int) option_code), data_option);
-
- return G_DHCP_CLIENT_ERROR_NONE;
-}
-
/* Now only support send hostname */
GDHCPClientError g_dhcp_client_set_send(GDHCPClient *dhcp_client,
unsigned char option_code, const char *option_value)
uint8_t *binary_option;
if (option_code == G_DHCP_HOST_NAME && option_value != NULL) {
- binary_option = alloc_dhcp_string_option(option_code,
- option_value);
- if (binary_option == NULL)
- return G_DHCP_CLIENT_ERROR_NOMEM;
+ binary_option = alloc_dhcp_option(option_code,
+ option_value, 0);
g_hash_table_insert(dhcp_client->send_value_hash,
GINT_TO_POINTER((int) option_code), binary_option);
return G_DHCP_CLIENT_ERROR_NONE;
}
-static uint8_t *alloc_dhcpv6_option(uint16_t code, uint8_t *option,
- uint16_t len)
-{
- uint8_t *storage;
-
- storage = g_malloc(2 + 2 + len);
- if (storage == NULL)
- return NULL;
-
- storage[0] = code >> 8;
- storage[1] = code & 0xff;
- storage[2] = len >> 8;
- storage[3] = len & 0xff;
- memcpy(storage + 2 + 2, option, len);
-
- return storage;
-}
-
-void g_dhcpv6_client_set_send(GDHCPClient *dhcp_client,
- uint16_t option_code,
- uint8_t *option_value,
- uint16_t option_len)
-{
- if (option_value != NULL) {
- uint8_t *binary_option;
-
- debug(dhcp_client, "setting option %d to %p len %d",
- option_code, option_value, option_len);
-
- binary_option = alloc_dhcpv6_option(option_code, option_value,
- option_len);
- if (binary_option != NULL)
- g_hash_table_insert(dhcp_client->send_value_hash,
- GINT_TO_POINTER((int) option_code),
- binary_option);
- }
-}
-
-void g_dhcpv6_client_reset_renew(GDHCPClient *dhcp_client)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return;
-
- dhcp_client->last_renew = time(NULL);
-}
-
-void g_dhcpv6_client_reset_rebind(GDHCPClient *dhcp_client)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return;
-
- dhcp_client->last_rebind = time(NULL);
-}
-
-void g_dhcpv6_client_set_expire(GDHCPClient *dhcp_client, uint32_t timeout)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return;
-
- dhcp_client->expire = time(NULL) + timeout;
-}
-
-uint16_t g_dhcpv6_client_get_status(GDHCPClient *dhcp_client)
-{
- if (dhcp_client == NULL || dhcp_client->type == G_DHCP_IPV4)
- return 0;
-
- return dhcp_client->status_code;
-}
-
GDHCPClient *g_dhcp_client_ref(GDHCPClient *dhcp_client)
{
if (dhcp_client == NULL)
g_free(dhcp_client->interface);
g_free(dhcp_client->assigned_ip);
g_free(dhcp_client->last_address);
- g_free(dhcp_client->duid);
- g_free(dhcp_client->server_duid);
g_list_free(dhcp_client->request_list);
g_list_free(dhcp_client->require_list);
dhcp_client->debug_func = func;
dhcp_client->debug_data = user_data;
}
+
+#if defined TIZEN_EXT
+void g_dhcp_client_set_address_known(GDHCPClient *dhcp_client, gboolean known)
+{
+ /* DHCPREQUEST during INIT-REBOOT state (rfc2131)
+ * 4.4.3 Initialization with known network address
+ * 4.3.2 DHCPREQUEST generated during INIT-REBOOT state
+ */
+ debug(dhcp_client, "known network address (%d)", known);
+
+ if (dhcp_client->init_reboot == known)
+ return;
+
+ dhcp_client->init_reboot = known;
+}
+#endif
projects / framework / connectivity / connman.git / blobdiff