From 9c8997d54dc9df184bfcedeabf0b3c85cf5e6753 Mon Sep 17 00:00:00 2001 From: nbd Date: Wed, 10 Oct 2012 12:32:29 +0000 Subject: packages: sort network related packages into package/network/ git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33688 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/ead/src/ead-client.c | 433 ------------------------------------------- 1 file changed, 433 deletions(-) delete mode 100644 package/ead/src/ead-client.c (limited to 'package/ead/src/ead-client.c') diff --git a/package/ead/src/ead-client.c b/package/ead/src/ead-client.c deleted file mode 100644 index 54d8b1343..000000000 --- a/package/ead/src/ead-client.c +++ /dev/null @@ -1,433 +0,0 @@ -/* - * Client for the Emergency Access Daemon - * Copyright (C) 2008 Felix Fietkau - * - * 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 published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "ead.h" -#include "ead-crypt.h" - -#include "pw_encrypt_md5.c" - -#define EAD_TIMEOUT 400 -#define EAD_TIMEOUT_LONG 2000 - -static char msgbuf[1500]; -static struct ead_msg *msg = (struct ead_msg *) msgbuf; -static uint16_t nid = 0xffff; -struct sockaddr_in local, remote; -static int s = 0; -static int sockflags; -static struct in_addr serverip = { - .s_addr = 0x01010101 /* dummy */ -}; - -static unsigned char *skey = NULL; -static unsigned char bbuf[MAXPARAMLEN]; -static unsigned char saltbuf[MAXSALTLEN]; -static char *username = NULL; -static char password[MAXPARAMLEN] = ""; -static char pw_md5[MD5_OUT_BUFSIZE]; -static char pw_salt[MAXSALTLEN]; - -static struct t_client *tc = NULL; -static struct t_num salt = { .data = saltbuf }; -static struct t_num *A, B; -static struct t_preconf *tcp; -static int auth_type = EAD_AUTH_DEFAULT; -static int timeout = EAD_TIMEOUT; -static uint16_t sid = 0; - -static void -set_nonblock(int enable) -{ - if (enable == !!(sockflags & O_NONBLOCK)); - return; - - sockflags ^= O_NONBLOCK; - fcntl(s, F_SETFL, sockflags); -} - -static int -send_packet(int type, bool (*handler)(void), unsigned int max) -{ - struct timeval tv; - fd_set fds; - int nfds; - int len; - int res = 0; - - type = htonl(type); - memcpy(&msg->ip, &serverip.s_addr, sizeof(msg->ip)); - set_nonblock(0); - sendto(s, msgbuf, sizeof(struct ead_msg) + ntohl(msg->len), 0, (struct sockaddr *) &remote, sizeof(remote)); - set_nonblock(1); - - tv.tv_sec = timeout / 1000; - tv.tv_usec = (timeout % 1000) * 1000; - - FD_ZERO(&fds); - do { - FD_SET(s, &fds); - nfds = select(s + 1, &fds, NULL, NULL, &tv); - - if (nfds <= 0) - break; - - if (!FD_ISSET(s, &fds)) - break; - - len = read(s, msgbuf, sizeof(msgbuf)); - if (len < 0) - break; - - if (len < sizeof(struct ead_msg)) - continue; - - if (len < sizeof(struct ead_msg) + ntohl(msg->len)) - continue; - - if (msg->magic != htonl(EAD_MAGIC)) - continue; - - if ((nid != 0xffff) && (ntohs(msg->nid) != nid)) - continue; - - if (msg->type != type) - continue; - - if (handler()) - res++; - - if ((max > 0) && (res >= max)) - break; - } while (1); - - return res; -} - -static void -prepare_password(void) -{ - switch(auth_type) { - case EAD_AUTH_DEFAULT: - break; - case EAD_AUTH_MD5: - md5_crypt(pw_md5, (unsigned char *) password, (unsigned char *) pw_salt); - strncpy(password, pw_md5, sizeof(password)); - break; - } -} - -static bool -handle_pong(void) -{ - struct ead_msg_pong *pong = EAD_DATA(msg, pong); - int len = ntohl(msg->len) - sizeof(struct ead_msg_pong); - - if (len <= 0) - return false; - - pong->name[len] = 0; - auth_type = ntohs(pong->auth_type); - if (nid == 0xffff) - printf("%04x: %s\n", ntohs(msg->nid), pong->name); - sid = msg->sid; - return true; -} - -static bool -handle_prime(void) -{ - struct ead_msg_salt *sb = EAD_DATA(msg, salt); - - salt.len = sb->len; - memcpy(salt.data, sb->salt, salt.len); - - if (auth_type == EAD_AUTH_MD5) { - memcpy(pw_salt, sb->ext_salt, MAXSALTLEN); - pw_salt[MAXSALTLEN - 1] = 0; - } - - tcp = t_getpreparam(sb->prime); - tc = t_clientopen(username, &tcp->modulus, &tcp->generator, &salt); - if (!tc) { - fprintf(stderr, "Client open failed\n"); - return false; - } - - return true; -} - -static bool -handle_b(void) -{ - struct ead_msg_number *num = EAD_DATA(msg, number); - int len = ntohl(msg->len) - sizeof(struct ead_msg_number); - - B.data = bbuf; - B.len = len; - memcpy(bbuf, num->data, len); - return true; -} - -static bool -handle_none(void) -{ - return true; -} - -static bool -handle_done_auth(void) -{ - struct ead_msg_auth *auth = EAD_DATA(msg, auth); - if (t_clientverify(tc, auth->data) != 0) { - fprintf(stderr, "Client auth verify failed\n"); - return false; - } - return true; -} - -static bool -handle_cmd_data(void) -{ - struct ead_msg_cmd_data *cmd = EAD_ENC_DATA(msg, cmd_data); - int datalen = ead_decrypt_message(msg) - sizeof(struct ead_msg_cmd_data); - - if (datalen < 0) - return false; - - if (datalen > 0) { - write(1, cmd->data, datalen); - } - - return !!cmd->done; -} -static int -send_ping(void) -{ - msg->type = htonl(EAD_TYPE_PING); - msg->len = 0; - return send_packet(EAD_TYPE_PONG, handle_pong, (nid == 0xffff ? 0 : 1)); -} - -static int -send_username(void) -{ - msg->type = htonl(EAD_TYPE_SET_USERNAME); - msg->len = htonl(sizeof(struct ead_msg_user)); - strcpy(EAD_DATA(msg, user)->username, username); - return send_packet(EAD_TYPE_ACK_USERNAME, handle_none, 1); -} - -static int -get_prime(void) -{ - msg->type = htonl(EAD_TYPE_GET_PRIME); - msg->len = 0; - return send_packet(EAD_TYPE_PRIME, handle_prime, 1); -} - -static int -send_a(void) -{ - struct ead_msg_number *num = EAD_DATA(msg, number); - A = t_clientgenexp(tc); - msg->type = htonl(EAD_TYPE_SEND_A); - msg->len = htonl(sizeof(struct ead_msg_number) + A->len); - memcpy(num->data, A->data, A->len); - return send_packet(EAD_TYPE_SEND_B, handle_b, 1); -} - -static int -send_auth(void) -{ - struct ead_msg_auth *auth = EAD_DATA(msg, auth); - - prepare_password(); - t_clientpasswd(tc, password); - skey = t_clientgetkey(tc, &B); - if (!skey) - return 0; - - ead_set_key(skey); - msg->type = htonl(EAD_TYPE_SEND_AUTH); - msg->len = htonl(sizeof(struct ead_msg_auth)); - memcpy(auth->data, t_clientresponse(tc), sizeof(auth->data)); - return send_packet(EAD_TYPE_DONE_AUTH, handle_done_auth, 1); -} - -static int -send_command(const char *command) -{ - struct ead_msg_cmd *cmd = EAD_ENC_DATA(msg, cmd); - - msg->type = htonl(EAD_TYPE_SEND_CMD); - cmd->type = htons(EAD_CMD_NORMAL); - cmd->timeout = htons(10); - strncpy((char *)cmd->data, command, 1024); - ead_encrypt_message(msg, sizeof(struct ead_msg_cmd) + strlen(command) + 1); - return send_packet(EAD_TYPE_RESULT_CMD, handle_cmd_data, 1); -} - - -static int -usage(const char *prog) -{ - fprintf(stderr, "Usage: %s [-s ] [-b ] [:] \n" - "\n" - "\t-s : Set the server's source address to \n" - "\t-b : Set the broadcast address to \n" - "\t: Node ID (4 digits hex)\n" - "\t: Username to authenticate with\n" - "\n" - "\tPassing no arguments shows a list of active nodes on the network\n" - "\n", prog); - return -1; -} - - -int main(int argc, char **argv) -{ - int val = 1; - char *st = NULL; - const char *command = NULL; - const char *prog = argv[0]; - int ch; - - msg->magic = htonl(EAD_MAGIC); - msg->sid = 0; - - memset(&local, 0, sizeof(local)); - memset(&remote, 0, sizeof(remote)); - - remote.sin_family = AF_INET; - remote.sin_addr.s_addr = 0xffffffff; - remote.sin_port = htons(EAD_PORT); - - local.sin_family = AF_INET; - local.sin_addr.s_addr = INADDR_ANY; - local.sin_port = 0; - - while ((ch = getopt(argc, argv, "b:s:h")) != -1) { - switch(ch) { - case 's': - inet_aton(optarg, &serverip); - break; - case 'b': - inet_aton(optarg, &remote.sin_addr); - break; - case 'h': - return usage(prog); - } - } - argv += optind; - argc -= optind; - - switch(argc) { - case 3: - command = argv[2]; - /* fall through */ - case 2: - username = argv[1]; - st = strchr(username, ':'); - if (st) { - *st = 0; - st++; - strncpy(password, st, sizeof(password)); - password[sizeof(password) - 1] = 0; - /* hide command line password */ - memset(st, 0, strlen(st)); - } - /* fall through */ - case 1: - nid = strtoul(argv[0], &st, 16); - if (st && st[0] != 0) - return usage(prog); - /* fall through */ - case 0: - break; - default: - return usage(prog); - } - - msg->nid = htons(nid); - s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); - if (s < 0) { - perror("socket"); - return -1; - } - - setsockopt(s, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)); - - if (bind(s, (struct sockaddr *)&local, sizeof(local)) < 0) { - perror("bind"); - return -1; - } - sockflags = fcntl(s, F_GETFL); - - if (!send_ping()) { - fprintf(stderr, "No devices found\n"); - return 1; - } - - if (nid == 0xffff) - return 0; - - if (!username || !password[0]) - return 0; - - if (!send_username()) { - fprintf(stderr, "Device did not accept user name\n"); - return 1; - } - timeout = EAD_TIMEOUT_LONG; - if (!get_prime()) { - fprintf(stderr, "Failed to get user password info\n"); - return 1; - } - if (!send_a()) { - fprintf(stderr, "Failed to send local authentication data\n"); - return 1; - } - if (!send_auth()) { - fprintf(stderr, "Authentication failed\n"); - return 1; - } - if (!command) { - fprintf(stderr, "Authentication succesful\n"); - return 0; - } - if (!send_command(command)) { - fprintf(stderr, "Command failed\n"); - return 1; - } - - return 0; -} -- cgit v1.2.3