166 int decode_dhcp_msg(dhcp_msg *msg, int len, dhcp_info *info)  in decode_dhcp_msg()  argument
177     if (msg->options[0] != OPT_COOKIE1) return -1;  in decode_dhcp_msg()
178     if (msg->options[1] != OPT_COOKIE2) return -1;  in decode_dhcp_msg()
179     if (msg->options[2] != OPT_COOKIE3) return -1;  in decode_dhcp_msg()
180     if (msg->options[3] != OPT_COOKIE4) return -1;  in decode_dhcp_msg()
182     x = msg->options + 4;  in decode_dhcp_msg()
232     info->ipaddr = msg->yiaddr;  in decode_dhcp_msg()
249 void dump_dhcp_msg(dhcp_msg *msg, int len)  in dump_dhcp_msg()  argument
265     if (msg->op == OP_BOOTREQUEST)  in dump_dhcp_msg()
267     else if (msg->op == OP_BOOTREPLY)  in dump_dhcp_msg()
272            name, msg->op, msg->htype, msg->hlen, msg->hops);  in dump_dhcp_msg()
274            ntohl(msg->xid), ntohs(msg->secs), ntohs(msg->flags), len);  in dump_dhcp_msg()
275     ALOGD("ciaddr = %s", ipaddr(msg->ciaddr));  in dump_dhcp_msg()
276     ALOGD("yiaddr = %s", ipaddr(msg->yiaddr));  in dump_dhcp_msg()
277     ALOGD("siaddr = %s", ipaddr(msg->siaddr));  in dump_dhcp_msg()
278     ALOGD("giaddr = %s", ipaddr(msg->giaddr));  in dump_dhcp_msg()
280     c = msg->hlen > 16 ? 16 : msg->hlen;  in dump_dhcp_msg()
281     hex2str(buf, sizeof(buf), msg->chaddr, c);  in dump_dhcp_msg()
285         unsigned char x = msg->sname[n];  in dump_dhcp_msg()
288             msg->sname[n] = '.';  in dump_dhcp_msg()
291     msg->sname[63] = 0;  in dump_dhcp_msg()
294         unsigned char x = msg->file[n];  in dump_dhcp_msg()
297             msg->file[n] = '.';  in dump_dhcp_msg()
300     msg->file[127] = 0;  in dump_dhcp_msg()
302     ALOGD("sname = '%s'", msg->sname);  in dump_dhcp_msg()
303     ALOGD("file = '%s'", msg->file);  in dump_dhcp_msg()
307     x = msg->options + 4;  in dump_dhcp_msg()
344 static int send_message(int sock, int if_index, dhcp_msg  *msg, int size)  in send_message()  argument
347     dump_dhcp_msg(msg, size);  in send_message()
349     return send_packet(sock, if_index, msg, size, INADDR_ANY, INADDR_BROADCAST,  in send_message()
353 static int is_valid_reply(dhcp_msg *msg, dhcp_msg *reply, int sz)  in is_valid_reply()  argument
363     if (reply->xid != msg->xid) {  in is_valid_reply()
365                            ntohl(msg->xid));  in is_valid_reply()
368     if (reply->htype != msg->htype) {  in is_valid_reply()
369         if (verbose) ALOGD("Wrong Htype %d != %d\n", reply->htype, msg->htype);  in is_valid_reply()
372     if (reply->hlen != msg->hlen) {  in is_valid_reply()
373         if (verbose) ALOGD("Wrong Hlen %d != %d\n", reply->hlen, msg->hlen);  in is_valid_reply()
376     if (memcmp(msg->chaddr, reply->chaddr, msg->hlen)) {  in is_valid_reply()
377         if (verbose) ALOGD("Wrong chaddr %x != %x\n", *(reply->chaddr),*(msg->chaddr));  in is_valid_reply()
394     dhcp_msg *msg;  in dhcp_init_ifc()  local
445             msg = NULL;  in dhcp_init_ifc()
448                 msg = &discover_msg;  in dhcp_init_ifc()
449                 size = init_dhcp_discover_msg(msg, hwaddr, xid);  in dhcp_init_ifc()
452                 msg = &request_msg;  in dhcp_init_ifc()
453                 size = init_dhcp_request_msg(msg, hwaddr, xid, info.ipaddr, info.serveraddr);  in dhcp_init_ifc()
459                 r = send_message(s, if_index, msg, size);  in dhcp_init_ifc()