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-rw-r--r--programs/spi/spi.c1689
1 files changed, 0 insertions, 1689 deletions
diff --git a/programs/spi/spi.c b/programs/spi/spi.c
deleted file mode 100644
index 369d556c7..000000000
--- a/programs/spi/spi.c
+++ /dev/null
@@ -1,1689 +0,0 @@
-/*
- * All-in-one program to set Security Association parameters
- * Copyright (C) 1996 John Ioannidis.
- * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Richard Guy Briggs.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * 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.
- */
-
-char spi_c_version[] = "RCSID $Id: spi.c,v 1.7 2004/10/14 20:03:26 as Exp $";
-
-#include <asm/types.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-/* #include <linux/netdevice.h> */
-#include <net/if.h>
-/* #include <linux/types.h> */ /* new */
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-
-/* #include <sys/socket.h> */
-
-#include <netinet/in.h>
-#include <arpa/inet.h>
-/* #include <linux/ip.h> */
-#include <netdb.h>
-
-#include <unistd.h>
-#include <getopt.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <freeswan.h>
-#if 0
-#include <linux/autoconf.h> /* CONFIG_IPSEC_PFKEYv2 */
-#endif
- #include <signal.h>
- #include <sys/socket.h>
- #include <pfkeyv2.h>
- #include <pfkey.h>
-
-#include "freeswan/radij.h"
-#include "freeswan/ipsec_encap.h"
-#include "freeswan/ipsec_xform.h"
-#include "freeswan/ipsec_ipe4.h"
-#include "freeswan/ipsec_ah.h"
-#include "freeswan/ipsec_esp.h"
-#include "freeswan/ipsec_sa.h" /* IPSEC_SAREF_NULL */
-
-/*
- * Manual conn support for ipsec_alg (modular algos).
- * Rather ugly to include from pluto dir but avoids
- * code duplication.
- */
-#ifndef NO_KERNEL_ALG
-#include "../pluto/alg_info.h"
-#include "../pluto/constants.h"
-struct connection;
-#include "../pluto/kernel_alg.h"
-#endif /* NO_KERNEL_ALG */
-
-char *program_name;
-int debug = 0;
-int saref = 0;
-char *command;
-extern char *optarg;
-extern int optind, opterr, optopt;
-char scratch[2];
-char *iv = NULL, *enckey = NULL, *authkey = NULL;
-size_t ivlen = 0, enckeylen = 0, authkeylen = 0;
-ip_address edst, dst, src;
-int address_family = 0;
-unsigned char proto = 0;
-int alg = 0;
-
-#ifndef NO_KERNEL_ALG
-/*
- * Manual connection support for modular algos (ipsec_alg) --Juanjo.
- */
-#define XF_OTHER_ALG (XF_CLR-1) /* define magic XF_ symbol for alg_info's */
-#include <assert.h>
-const char *alg_string = NULL; /* algorithm string */
-struct alg_info_esp *alg_info = NULL; /* algorithm info got from string */
-struct esp_info *esp_info = NULL; /* esp info from 1st (only) element */
-const char *alg_err; /* auxiliar for parsing errors */
-int proc_read_ok = 0; /* /proc/net/pf_key_support read ok */
-#endif /* NO_KERNEL_ALG */
-
-int replay_window = 0;
-char sa[SATOT_BUF];
-
-extern unsigned int pfkey_lib_debug; /* used by libfreeswan/pfkey_v2_build */
-int pfkey_sock;
-fd_set pfkey_socks;
-uint32_t pfkey_seq = 0;
-enum life_severity {
- life_soft = 0,
- life_hard = 1,
- life_maxsever = 2
-};
-enum life_type {
- life_alloc = 0,
- life_bytes = 1,
- life_addtime = 2,
- life_usetime = 3,
- life_packets = 4,
- life_maxtype = 5
-};
-
-#define streql(_a,_b) (!strcmp((_a),(_b)))
-
-static const char *usage_string = "\
-Usage:\n\
- in the following, <SA> is: --af <inet | inet6> --edst <dstaddr> --spi <spi> --proto <proto>\n\
- OR: --said <proto><.|:><spi>@<dstaddr>\n\
- <life> is: --life <soft|hard>-<allocations|bytes|addtime|usetime|packets>=<value>[,...]\n\
-spi --clear\n\
-spi --help\n\
-spi --version\n\
-spi\n\
-spi --del <SA>\n\
-spi --ip4 <SA> --src <encap-src> --dst <encap-dst>\n\
-spi --ip6 <SA> --src <encap-src> --dst <encap-dst>\n\
-spi --ah <algo> <SA> [<life> ][ --replay_window <replay_window> ] --authkey <key>\n\
- where <algo> is one of: hmac-md5-96 | hmac-sha1-96\n\
-spi --esp <algo> <SA> [<life> ][ --replay_window <replay-window> ] --enckey <ekey> --authkey <akey>\n\
- where <algo> is one of: 3des-md5-96 | 3des-sha1-96\n\
-spi --esp <algo> <SA> [<life> ][ --replay_window <replay-window> ] --enckey <ekey>\n\
- where <algo> is: 3des\n\
-spi --comp <algo> <SA>\n\
- where <algo> is: deflate\n\
-[ --debug ] is optional to any spi command.\n\
-[ --label <label> ] is optional to any spi command.\n\
-[ --listenreply ] is optional, and causes the command to stick\n\
- around and listen to what the PF_KEY socket says.\n\
-";
-
-
-static void
-usage(char *s, FILE *f)
-{
- /* s argument is actually ignored, at present */
- fprintf(f, "%s:%s", s, usage_string);
- exit(-1);
-}
-
-int
-parse_life_options(uint32_t life[life_maxsever][life_maxtype],
- char *life_opt[life_maxsever][life_maxtype],
- char *optarg)
-{
- char *optargp = optarg;
- char *endptr;
-
- do {
- int life_severity, life_type;
- char *optargt = optargp;
-
- if(strncmp(optargp, "soft", sizeof("soft")-1) == 0) {
- life_severity = life_soft;
- optargp += sizeof("soft")-1;
- } else if(strncmp(optargp, "hard", sizeof("hard")-1) == 0) {
- life_severity = life_hard;
- optargp += sizeof("hard")-1;
- } else {
- fprintf(stderr,
- "%s: missing lifetime severity in %s, optargt=0p%p, optargp=0p%p, sizeof(\"soft\")=%d\n",
- program_name,
- optargt,
- optargt,
- optargp,
- (int)sizeof("soft"));
- usage(program_name, stderr);
- return(1);
- }
- if(debug) {
- fprintf(stdout,
- "%s: debug: life_severity=%d, optargt=0p%p=\"%s\", optargp=0p%p=\"%s\", sizeof(\"soft\")=%d\n",
- program_name,
- life_severity,
- optargt,
- optargt,
- optargp,
- optargp,
- (int)sizeof("soft"));
- }
- if(*(optargp++) != '-') {
- fprintf(stderr,
- "%s: expected '-' after severity of lifetime parameter to --life option.\n",
- program_name);
- usage(program_name, stderr);
- return(1);
- }
- if(debug) {
- fprintf(stdout,
- "%s: debug: optargt=0p%p=\"%s\", optargp=0p%p=\"%s\", strlen(optargt)=%d, strlen(optargp)=%d, strncmp(optargp, \"addtime\", sizeof(\"addtime\")-1)=%d\n",
- program_name,
- optargt,
- optargt,
- optargp,
- optargp,
- (int)strlen(optargt),
- (int)strlen(optargp),
- strncmp(optargp, "addtime", sizeof("addtime")-1));
- }
- if(strncmp(optargp, "allocations", sizeof("allocations")-1) == 0) {
- life_type = life_alloc;
- optargp += sizeof("allocations")-1;
- } else if(strncmp(optargp, "bytes", sizeof("bytes")-1) == 0) {
- life_type = life_bytes;
- optargp += sizeof("bytes")-1;
- } else if(strncmp(optargp, "addtime", sizeof("addtime")-1) == 0) {
- life_type = life_addtime;
- optargp += sizeof("addtime")-1;
- } else if(strncmp(optargp, "usetime", sizeof("usetime")-1) == 0) {
- life_type = life_usetime;
- optargp += sizeof("usetime")-1;
- } else if(strncmp(optargp, "packets", sizeof("packets")-1) == 0) {
- life_type = life_packets;
- optargp += sizeof("packets")-1;
- } else {
- fprintf(stderr,
- "%s: missing lifetime type after '-' in %s\n",
- program_name,
- optargt);
- usage(program_name, stderr);
- return(1);
- }
- if(debug) {
- fprintf(stdout,
- "%s: debug: life_type=%d\n",
- program_name,
- life_type);
- }
- if(life_opt[life_severity][life_type] != NULL) {
- fprintf(stderr,
- "%s: Error, lifetime parameter redefined:%s, already defined as:0p%p\n",
- program_name,
- optargt,
- life_opt[life_severity][life_type]);
- return(1);
- }
- if(*(optargp++) != '=') {
- fprintf(stderr,
- "%s: expected '=' after type of lifetime parameter to --life option.\n",
- program_name);
- usage(program_name, stderr);
- return(1);
- }
- if(debug) {
- fprintf(stdout,
- "%s: debug: optargt=0p%p, optargt+strlen(optargt)=0p%p, optargp=0p%p, strlen(optargp)=%d\n",
- program_name,
- optargt,
- optargt+strlen(optargt),
- optargp,
- (int)strlen(optargp));
- }
- if(strlen(optargp) == 0) {
- fprintf(stderr,
- "%s: expected value after '=' in --life option. optargt=0p%p, optargt+strlen(optargt)=0p%p, optargp=0p%p\n",
- program_name,
- optargt,
- optargt+strlen(optargt),
- optargp);
- usage(program_name, stderr);
- return(1);
- }
- life[life_severity][life_type] = strtoul(optargp, &endptr, 0);
-
- if(!((endptr == optargp + strlen(optargp)) || (endptr == optargp + strcspn(optargp, ", ")))) {
- fprintf(stderr,
- "%s: Invalid character='%c' at offset %d in lifetime option parameter: '%s', parameter string is %d characters long, %d valid value characters found.\n",
- program_name,
- *endptr,
- (int)(endptr - optarg),
- optarg,
- (int)strlen(optarg),
- (int)(strcspn(optargp, ", ") - 1));
- return(1);
- }
- life_opt[life_severity][life_type] = optargt;
- if(debug) {
- fprintf(stdout, "%s lifetime %s set to %d.\n",
- program_name, optargt, life[life_severity][life_type]);
- }
- optargp=endptr+1;
- } while(*endptr==',' || isspace(*endptr));
-
- return(0);
-}
-
-int
-pfkey_register(uint8_t satype) {
- /* for registering SA types that can be negotiated */
- int error;
- ssize_t wlen;
- struct sadb_ext *extensions[SADB_EXT_MAX + 1];
- struct sadb_msg *pfkey_msg;
-
- pfkey_extensions_init(extensions);
- error = pfkey_msg_hdr_build(&extensions[0],
- SADB_REGISTER,
- satype,
- 0,
- ++pfkey_seq,
- getpid());
- if(error != 0) {
- fprintf(stderr, "%s: Trouble building message header, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- return(1);
- }
-
- error = pfkey_msg_build(&pfkey_msg, extensions, EXT_BITS_IN);
- if(error != 0) {
- fprintf(stderr, "%s: Trouble building pfkey message, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- return(1);
- }
- wlen = write(pfkey_sock, pfkey_msg,
- pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN);
- if(wlen != (ssize_t)(pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN)) {
- /* cleanup code here */
- if(wlen < 0)
- fprintf(stderr, "%s: Trouble writing to channel PF_KEY: %s\n",
- program_name,
- strerror(errno));
- else
- fprintf(stderr, "%s: write to channel PF_KEY truncated.\n",
- program_name);
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- return(1);
- }
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
-
- return(0);
-}
-
-static struct option const longopts[] =
-{
- {"ah", 1, 0, 'H'},
- {"esp", 1, 0, 'P'},
- {"comp", 1, 0, 'Z'},
- {"ip4", 0, 0, '4'},
- {"ip6", 0, 0, '6'},
- {"del", 0, 0, 'd'},
-
- {"authkey", 1, 0, 'A'},
- {"enckey", 1, 0, 'E'},
- {"edst", 1, 0, 'e'},
- {"spi", 1, 0, 's'},
- {"proto", 1, 0, 'p'},
- {"af", 1, 0, 'a'},
- {"replay_window", 1, 0, 'w'},
- {"iv", 1, 0, 'i'},
- {"dst", 1, 0, 'D'},
- {"src", 1, 0, 'S'},
- {"said", 1, 0, 'I'},
-
- {"help", 0, 0, 'h'},
- {"version", 0, 0, 'v'},
- {"clear", 0, 0, 'c'},
- {"label", 1, 0, 'l'},
- {"debug", 0, 0, 'g'},
- {"optionsfrom", 1, 0, '+'},
- {"life", 1, 0, 'f'},
- {"saref", 0, 0, 'r'},
- {"listenreply", 0, 0, 'R'},
- {0, 0, 0, 0}
-};
-
-int
-main(int argc, char *argv[])
-{
- char *endptr;
- __u32 spi = 0;
- int c, previous = -1;
-/* int ret; */
- ip_said said;
- size_t sa_len;
- const char* error_s;
- char ipaddr_txt[ADDRTOT_BUF];
- char ipsaid_txt[SATOT_BUF];
-
- int error = 0;
- ssize_t io_error;
- int argcount = argc;
- pid_t mypid;
- int listenreply = 0;
-
- unsigned char authalg, encryptalg;
- struct sadb_ext *extensions[SADB_EXT_MAX + 1];
- struct sadb_msg *pfkey_msg;
- char *iv_opt, *akey_opt, *ekey_opt, *alg_opt, *edst_opt, *spi_opt, *proto_opt, *af_opt, *said_opt, *dst_opt, *src_opt;
-#if 0
- ip_address pfkey_address_p_ska;
- ip_address pfkey_ident_s_ska;
- ip_address pfkey_ident_d_ska;
-#endif
- uint32_t life[life_maxsever][life_maxtype];
- char *life_opt[life_maxsever][life_maxtype];
-
- program_name = argv[0];
- mypid = getpid();
-
- memset(&said, 0, sizeof(said));
- iv_opt = akey_opt = ekey_opt = alg_opt = edst_opt = spi_opt = proto_opt = af_opt = said_opt = dst_opt = src_opt = NULL;
- {
- int i,j;
- for(i = 0; i < life_maxsever; i++) {
- for(j = 0; j < life_maxtype; j++) {
- life_opt[i][j] = NULL;
- life[i][j] = 0;
- }
- }
- }
-
- while((c = getopt_long(argc, argv, ""/*"H:P:Z:46dcA:E:e:s:a:w:i:D:S:hvgl:+:f:"*/, longopts, 0)) != EOF) {
- switch(c) {
- case 'g':
- debug = 1;
- pfkey_lib_debug = PF_KEY_DEBUG_PARSE_MAX;
- argcount--;
- break;
-
- case 'R':
- listenreply = 1;
- argcount--;
- break;
-
- case 'r':
- saref = 1;
- argcount--;
- break;
-
- case 'l':
- program_name = malloc(strlen(argv[0])
- + 10 /* update this when changing the sprintf() */
- + strlen(optarg));
- sprintf(program_name, "%s --label %s",
- argv[0],
- optarg);
- argcount -= 2;
- break;
- case 'H':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- if (!strcmp(optarg, "hmac-md5-96")) {
- alg = XF_AHHMACMD5;
- } else if(!strcmp(optarg, "hmac-sha1-96")) {
- alg = XF_AHHMACSHA1;
- } else {
- fprintf(stderr, "%s: Unknown authentication algorithm '%s' follows '--ah' option.\n",
- program_name, optarg);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case 'P':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- if (!strcmp(optarg, "3des-md5-96")) {
- alg = XF_ESP3DESMD596;
- } else if(!strcmp(optarg, "3des-sha1-96")) {
- alg = XF_ESP3DESSHA196;
- } else if(!strcmp(optarg, "3des")) {
- alg = XF_ESP3DES;
-#ifndef NO_KERNEL_ALG
- } else if((alg_info=alg_info_esp_create_from_str(optarg, &alg_err))) {
- int esp_ealg_id, esp_aalg_id;
- alg = XF_OTHER_ALG;
- if (alg_info->alg_info_cnt>1) {
- fprintf(stderr, "%s: Invalid encryption algorithm '%s' "
- "follows '--esp' option: lead too many(%d) "
- "transforms\n",
- program_name, optarg, alg_info->alg_info_cnt);
- exit(1);
- }
- alg_string=optarg;
- esp_info=&alg_info->esp[0];
- if (debug) {
- fprintf(stdout, "%s: alg_info: cnt=%d ealg[0]=%d aalg[0]=%d\n",
- program_name,
- alg_info->alg_info_cnt,
- esp_info->encryptalg,
- esp_info->authalg);
- }
- esp_ealg_id=esp_info->esp_ealg_id;
- esp_aalg_id=esp_info->esp_aalg_id;
- if (kernel_alg_proc_read()==0) {
- proc_read_ok++;
- if (!kernel_alg_esp_enc_ok(esp_ealg_id, 0, 0))
- {
- fprintf(stderr, "%s: ESP encryptalg=%d (\"%s\") "
- "not present\n",
- program_name,
- esp_ealg_id,
- enum_name(&esp_transformid_names, esp_ealg_id));
- exit(1);
- }
- if (!kernel_alg_esp_auth_ok(esp_aalg_id, 0))
- {
- fprintf(stderr, "%s: ESP authalg=%d (\"%s\")"
- "not present\n",
- program_name,
- esp_aalg_id,
- enum_name(&auth_alg_names, esp_aalg_id));
- exit(1);
- }
- }
-#endif /* NO_KERNEL_ALG */
- } else {
- fprintf(stderr, "%s: Invalid encryption algorithm '%s' follows '--esp' option.\n",
- program_name, optarg);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case 'Z':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- if (!strcmp(optarg, "deflate")) {
- alg = XF_COMPDEFLATE;
- } else {
- fprintf(stderr, "%s: Unknown compression algorithm '%s' follows '--comp' option.\n",
- program_name, optarg);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case '4':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- alg = XF_IP4;
- address_family = AF_INET;
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case '6':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- alg = XF_IP6;
- address_family = AF_INET6;
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case 'd':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- alg = XF_DEL;
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case 'c':
- if(alg) {
- fprintf(stderr, "%s: Only one of '--ah', '--esp', '--comp', '--ip4', '--ip6', '--del' or '--clear' options permitted.\n",
- program_name);
- exit(1);
- }
- alg = XF_CLR;
- if(debug) {
- fprintf(stdout, "%s: Algorithm %d selected.\n",
- program_name,
- alg);
- }
- alg_opt = optarg;
- break;
- case 'e':
- if(said_opt) {
- fprintf(stderr, "%s: Error, EDST parameter redefined:%s, already defined in SA:%s\n",
- program_name, optarg, said_opt);
- exit (1);
- }
- if(edst_opt) {
- fprintf(stderr, "%s: Error, EDST parameter redefined:%s, already defined as:%s\n",
- program_name, optarg, edst_opt);
- exit (1);
- }
- error_s = ttoaddr(optarg, 0, address_family, &edst);
- if(error_s != NULL) {
- if(error_s) {
- fprintf(stderr, "%s: Error, %s converting --edst argument:%s\n",
- program_name, error_s, optarg);
- exit (1);
- }
- }
- edst_opt = optarg;
- if(debug) {
- addrtot(&edst, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: edst=%s.\n",
- program_name,
- ipaddr_txt);
- }
- break;
- case 's':
- if(said_opt) {
- fprintf(stderr, "%s: Error, SPI parameter redefined:%s, already defined in SA:%s\n",
- program_name, optarg, said_opt);
- exit (1);
- }
- if(spi_opt) {
- fprintf(stderr, "%s: Error, SPI parameter redefined:%s, already defined as:%s\n",
- program_name, optarg, spi_opt);
- exit (1);
- }
- spi = strtoul(optarg, &endptr, 0);
- if(!(endptr == optarg + strlen(optarg))) {
- fprintf(stderr, "%s: Invalid character in SPI parameter: %s\n",
- program_name, optarg);
- exit (1);
- }
- if(spi < 0x100) {
- fprintf(stderr, "%s: Illegal reserved spi: %s => 0x%x Must be larger than 0x100.\n",
- program_name, optarg, spi);
- exit(1);
- }
- spi_opt = optarg;
- break;
- case 'p':
- if(said_opt) {
- fprintf(stderr, "%s: Error, PROTO parameter redefined:%s, already defined in SA:%s\n",
- program_name, optarg, said_opt);
- exit (1);
- }
- if(proto_opt) {
- fprintf(stderr, "%s: Error, PROTO parameter redefined:%s, already defined as:%s\n",
- program_name, optarg, proto_opt);
- exit (1);
- }
- if(!strcmp(optarg, "ah"))
- proto = SA_AH;
- if(!strcmp(optarg, "esp"))
- proto = SA_ESP;
- if(!strcmp(optarg, "tun"))
- proto = SA_IPIP;
- if(!strcmp(optarg, "comp"))
- proto = SA_COMP;
- if(proto == 0) {
- fprintf(stderr, "%s: Invalid PROTO parameter: %s\n",
- program_name, optarg);
- exit (1);
- }
- proto_opt = optarg;
- break;
- case 'a':
- if(said_opt) {
- fprintf(stderr, "%s: Error, ADDRESS FAMILY parameter redefined:%s, already defined in SA:%s\n",
- program_name, optarg, said_opt);
- exit (1);
- }
- if(af_opt) {
- fprintf(stderr, "%s: Error, ADDRESS FAMILY parameter redefined:%s, already defined as:%s\n",
- program_name, optarg, af_opt);
- exit (1);
- }
- if(strcmp(optarg, "inet") == 0) {
- address_family = AF_INET;
- /* currently we ensure that all addresses belong to the same address family */
- anyaddr(address_family, &dst);
- anyaddr(address_family, &edst);
- anyaddr(address_family, &src);
- }
- if(strcmp(optarg, "inet6") == 0) {
- address_family = AF_INET6;
- /* currently we ensure that all addresses belong to the same address family */
- anyaddr(address_family, &dst);
- anyaddr(address_family, &edst);
- anyaddr(address_family, &src);
- }
- if((strcmp(optarg, "inet") != 0) && (strcmp(optarg, "inet6") != 0)) {
- fprintf(stderr, "%s: Invalid ADDRESS FAMILY parameter: %s.\n",
- program_name, optarg);
- exit (1);
- }
- af_opt = optarg;
- break;
- case 'I':
- if(said_opt) {
- fprintf(stderr, "%s: Error, SAID parameter redefined:%s, already defined in SA:%s\n",
- program_name, optarg, said_opt);
- exit (1);
- }
- if(proto_opt) {
- fprintf(stderr, "%s: Error, PROTO parameter redefined in SA:%s, already defined as:%s\n",
- program_name, optarg, proto_opt);
- exit (1);
- }
- if(edst_opt) {
- fprintf(stderr, "%s: Error, EDST parameter redefined in SA:%s, already defined as:%s\n",
- program_name, optarg, edst_opt);
- exit (1);
- }
- if(spi_opt) {
- fprintf(stderr, "%s: Error, SPI parameter redefined in SA:%s, already defined as:%s\n",
- program_name, optarg, spi_opt);
- exit (1);
- }
- error_s = ttosa(optarg, 0, &said);
- if(error_s != NULL) {
- fprintf(stderr, "%s: Error, %s converting --sa argument:%s\n",
- program_name, error_s, optarg);
- exit (1);
- }
- if(debug) {
- satot(&said, 0, ipsaid_txt, sizeof(ipsaid_txt));
- fprintf(stdout, "%s: said=%s.\n",
- program_name,
- ipsaid_txt);
- }
- /* init the src and dst with the same address family */
- if(address_family == 0) {
- address_family = addrtypeof(&said.dst);
- } else if(address_family != addrtypeof(&said.dst)) {
- fprintf(stderr, "%s: Error, specified address family (%d) is different that of SAID: %s\n",
- program_name, address_family, optarg);
- exit (1);
- }
- anyaddr(address_family, &dst);
- anyaddr(address_family, &edst);
- anyaddr(address_family, &src);
- said_opt = optarg;
- break;
- case 'A':
- if(optarg[0] == '0') {
- switch(optarg[1]) {
- case 't':
- case 'x':
- case 's':
- break;
- default:
- fprintf(stderr, "%s: Authentication key must have a '0x', '0t' or '0s' prefix to select the format: %s\n",
- program_name, optarg);
- exit(1);
- }
- }
- authkeylen = atodata(optarg, 0, NULL, 0);
- if(!authkeylen) {
- fprintf(stderr, "%s: unknown format or syntax error in authentication key: %s\n",
- program_name, optarg);
- exit (1);
- }
- authkey = malloc(authkeylen);
- if(authkey == NULL) {
- fprintf(stderr, "%s: Memory allocation error.\n", program_name);
- exit(1);
- }
- memset(authkey, 0, authkeylen);
- authkeylen = atodata(optarg, 0, authkey, authkeylen);
- akey_opt = optarg;
- break;
- case 'E':
- if(optarg[0] == '0') {
- switch(optarg[1]) {
- case 't':
- case 'x':
- case 's':
- break;
- default:
- fprintf(stderr, "%s: Encryption key must have a '0x', '0t' or '0s' prefix to select the format: %s\n",
- program_name, optarg);
- exit(1);
- }
- }
- enckeylen = atodata(optarg, 0, NULL, 0);
- if(!enckeylen) {
- fprintf(stderr, "%s: unknown format or syntax error in encryption key: %s\n",
- program_name, optarg);
- exit (1);
- }
- enckey = malloc(enckeylen);
- if(enckey == NULL) {
- fprintf(stderr, "%s: Memory allocation error.\n", program_name);
- exit(1);
- }
- memset(enckey, 0, enckeylen);
- enckeylen = atodata(optarg, 0, enckey, enckeylen);
- ekey_opt = optarg;
- break;
- case 'w':
- replay_window = strtoul(optarg, &endptr, 0);
- if(!(endptr == optarg + strlen(optarg))) {
- fprintf(stderr, "%s: Invalid character in replay_window parameter: %s\n",
- program_name, optarg);
- exit (1);
- }
- if((replay_window < 0x1) || (replay_window > 64)) {
- fprintf(stderr, "%s: Failed -- Illegal window size: arg=%s, replay_window=%d, must be 1 <= size <= 64.\n",
- program_name, optarg, replay_window);
- exit(1);
- }
- break;
- case 'i':
- if(optarg[0] == '0') {
- switch(optarg[1]) {
- case 't':
- case 'x':
- case 's':
- break;
- default:
- fprintf(stderr, "%s: IV must have a '0x', '0t' or '0s' prefix to select the format, found '%c'.\n",
- program_name, optarg[1]);
- exit(1);
- }
- }
- ivlen = atodata(optarg, 0, NULL, 0);
- if(!ivlen) {
- fprintf(stderr, "%s: unknown format or syntax error in IV: %s\n",
- program_name, optarg);
- exit (1);
- }
- iv = malloc(ivlen);
- if(iv == NULL) {
- fprintf(stderr, "%s: Memory allocation error.\n", program_name);
- exit(1);
- }
- memset(iv, 0, ivlen);
- ivlen = atodata(optarg, 0, iv, ivlen);
- iv_opt = optarg;
- break;
- case 'D':
- if(dst_opt) {
- fprintf(stderr, "%s: Error, DST parameter redefined:%s, already defined as:%s\n",
- program_name, optarg, dst_opt);
- exit (1);
- }
- error_s = ttoaddr(optarg, 0, address_family, &dst);
- if(error_s != NULL) {
- fprintf(stderr, "%s: Error, %s converting --dst argument:%s\n",
- program_name, error_s, optarg);
- exit (1);
- }
- dst_opt = optarg;
- if(debug) {
- addrtot(&dst, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: dst=%s.\n",
- program_name,
- ipaddr_txt);
- }
- break;
- case 'S':
- if(src_opt) {
- fprintf(stderr, "%s: Error, SRC parameter redefined:%s, already defined as:%s\n",
- program_name, optarg, src_opt);
- exit (1);
- }
- error_s = ttoaddr(optarg, 0, address_family, &src);
- if(error_s != NULL) {
- fprintf(stderr, "%s: Error, %s converting --src argument:%s\n",
- program_name, error_s, optarg);
- exit (1);
- }
- src_opt = optarg;
- if(debug) {
- addrtot(&src, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: src=%s.\n",
- program_name,
- ipaddr_txt);
- }
- break;
- case 'h':
- usage(program_name, stdout);
- exit(0);
- case '?':
- usage(program_name, stderr);
- exit(1);
- case 'v':
- fprintf(stdout, "%s, %s\n", program_name, spi_c_version);
- exit(1);
- case '+': /* optionsfrom */
- optionsfrom(optarg, &argc, &argv, optind, stderr);
- /* no return on error */
- break;
- case 'f':
- if(parse_life_options(life,
- life_opt,
- optarg) != 0) {
- exit(1);
- };
- break;
- default:
- fprintf(stderr, "%s: unrecognized option '%c', update option processing.\n",
- program_name, c);
- exit(1);
- }
- previous = c;
- }
- if(debug) {
- fprintf(stdout, "%s: All options processed.\n",
- program_name);
- }
-
- if(argcount == 1) {
- system("cat /proc/net/ipsec_spi");
- exit(0);
- }
-
- switch(alg) {
-#ifndef NO_KERNEL_ALG
- case XF_OTHER_ALG:
- /* validate keysizes */
- if (proc_read_ok) {
- const struct sadb_alg *alg_p;
- size_t keylen, minbits, maxbits;
-
- alg_p=kernel_alg_sadb_alg_get(SADB_SATYPE_ESP,SADB_EXT_SUPPORTED_ENCRYPT,
- esp_info->encryptalg);
- assert(alg_p);
- keylen=enckeylen * 8;
-
- if (alg_p->sadb_alg_id==ESP_3DES || alg_p->sadb_alg_id==ESP_DES) {
- maxbits=minbits=alg_p->sadb_alg_minbits * 8 /7;
- } else {
- minbits=alg_p->sadb_alg_minbits;
- maxbits=alg_p->sadb_alg_maxbits;
- }
- /*
- * if explicit keylen told in encrypt algo, eg "aes128"
- * check actual keylen "equality"
- */
- if (esp_info->esp_ealg_keylen &&
- esp_info->esp_ealg_keylen!=keylen) {
- fprintf(stderr, "%s: invalid encryption keylen=%d, "
- "required %d by encrypt algo string=\"%s\"\n",
- program_name,
- (int)keylen,
- (int)esp_info->esp_ealg_keylen,
- alg_string);
- exit(1);
-
- }
- /* thanks DES for this sh*t */
-
- if (minbits > keylen || maxbits < keylen) {
- fprintf(stderr, "%s: invalid encryption keylen=%d, "
- "must be between %d and %d bits\n",
- program_name,
- (int)keylen, (int)minbits, (int)maxbits);
- exit(1);
- }
- alg_p=kernel_alg_sadb_alg_get(SADB_SATYPE_ESP,SADB_EXT_SUPPORTED_AUTH,
- esp_info->authalg);
- assert(alg_p);
- keylen=authkeylen * 8;
- minbits=alg_p->sadb_alg_minbits;
- maxbits=alg_p->sadb_alg_maxbits;
- if (minbits > keylen || maxbits < keylen) {
- fprintf(stderr, "%s: invalid auth keylen=%d, "
- "must be between %d and %d bits\n",
- program_name,
- (int)keylen, (int)minbits, (int)maxbits);
- exit(1);
- }
-
- }
-#endif /* NO_KERNEL_ALG */
- case XF_IP4:
- case XF_IP6:
- case XF_DEL:
- case XF_AHHMACMD5:
- case XF_AHHMACSHA1:
- case XF_ESP3DESMD596:
- case XF_ESP3DESSHA196:
- case XF_ESP3DES:
- case XF_COMPDEFLATE:
- if(!said_opt) {
- if(isanyaddr(&edst)) {
- fprintf(stderr, "%s: SA destination not specified.\n",
- program_name);
- exit(1);
- }
- if(!spi) {
- fprintf(stderr, "%s: SA SPI not specified.\n",
- program_name);
- exit(1);
- }
- if(!proto) {
- fprintf(stderr, "%s: SA PROTO not specified.\n",
- program_name);
- exit(1);
- }
- initsaid(&edst, htonl(spi), proto, &said);
- } else {
- proto = said.proto;
- spi = ntohl(said.spi);
- edst = said.dst;
- }
- if((address_family != 0) && (address_family != addrtypeof(&said.dst))) {
- fprintf(stderr, "%s: Defined address family and address family of SA missmatch.\n",
- program_name);
- exit(1);
- }
- sa_len = satot(&said, 0, sa, sizeof(sa));
-
- if(debug) {
- fprintf(stdout, "%s: SA valid.\n",
- program_name);
- }
- break;
- case XF_CLR:
- break;
- default:
- fprintf(stderr, "%s: No action chosen. See '%s --help' for usage.\n",
- program_name, program_name);
- exit(1);
- }
-
- switch(alg) {
- case XF_CLR:
- case XF_DEL:
- case XF_IP4:
- case XF_IP6:
- case XF_AHHMACMD5:
- case XF_AHHMACSHA1:
- case XF_ESP3DESMD596:
- case XF_ESP3DESSHA196:
- case XF_ESP3DES:
- case XF_COMPDEFLATE:
-#ifndef NO_KERNEL_ALG
- case XF_OTHER_ALG:
-#endif /* NO_KERNEL_ALG */
- break;
- default:
- fprintf(stderr, "%s: No action chosen. See '%s --help' for usage.\n",
- program_name, program_name);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: Algorithm ok.\n",
- program_name);
- }
-
- if((pfkey_sock = socket(PF_KEY, SOCK_RAW, PF_KEY_V2) ) < 0) {
- fprintf(stderr, "%s: Trouble opening PF_KEY family socket with error: ",
- program_name);
- switch(errno) {
- case ENOENT:
- fprintf(stderr, "device does not exist. See FreeS/WAN installation procedure.\n");
- break;
- case EACCES:
- fprintf(stderr, "access denied. ");
- if(getuid() == 0) {
- fprintf(stderr, "Check permissions. Should be 600.\n");
- } else {
- fprintf(stderr, "You must be root to open this file.\n");
- }
- break;
- case EUNATCH:
- fprintf(stderr, "Netlink not enabled OR KLIPS not loaded.\n");
- break;
- case ENODEV:
- fprintf(stderr, "KLIPS not loaded or enabled.\n");
- break;
- case EBUSY:
- fprintf(stderr, "KLIPS is busy. Most likely a serious internal error occured in a previous command. Please report as much detail as possible to development team.\n");
- break;
- case EINVAL:
- fprintf(stderr, "Invalid argument, KLIPS not loaded or check kernel log messages for specifics.\n");
- break;
- case ENOBUFS:
- fprintf(stderr, "No kernel memory to allocate SA.\n");
- break;
- case ESOCKTNOSUPPORT:
- fprintf(stderr, "Algorithm support not available in the kernel. Please compile in support.\n");
- break;
- case EEXIST:
- fprintf(stderr, "SA already in use. Delete old one first.\n");
- break;
- case ENXIO:
- fprintf(stderr, "SA does not exist. Cannot delete.\n");
- break;
- case EAFNOSUPPORT:
- fprintf(stderr, "KLIPS not loaded or enabled.\n");
- break;
- default:
- fprintf(stderr, "Unknown file open error %d. Please report as much detail as possible to development team.\n", errno);
- }
- exit(1);
- }
-
-#ifdef MANUAL_IS_NOT_ABLE_TO_NEGOTIATE
- /* for registering SA types that can be negotiated */
- if(pfkey_register(SADB_SATYPE_AH) != 0) {
- exit(1);
- }
- if(pfkey_register(SADB_SATYPE_ESP) != 0) {
- exit(1);
- }
- if(pfkey_register(SADB_X_SATYPE_IPIP) != 0) {
- exit(1);
- }
- if(pfkey_register(SADB_X_SATYPE_COMP) != 0) {
- exit(1);
- }
-#endif /* MANUAL_IS_NOT_ABLE_TO_NEGOTIATE */
-
- /* Build an SADB_ADD message to send down. */
- /* It needs <base, SA, address(SD), key(AE)> minimum. */
- /* Lifetime(HS) could be added before addresses. */
- pfkey_extensions_init(extensions);
- if(debug) {
- fprintf(stdout, "%s: extensions=0p%p &extensions=0p%p extensions[0]=0p%p &extensions[0]=0p%p cleared.\n",
- program_name,
- extensions,
- &extensions,
- extensions[0],
- &extensions[0]);
- }
- if((error = pfkey_msg_hdr_build(&extensions[0],
- (alg == XF_DEL ? SADB_DELETE : alg == XF_CLR ? SADB_FLUSH : SADB_ADD),
- proto2satype(proto),
- 0,
- ++pfkey_seq,
- mypid))) {
- fprintf(stderr, "%s: Trouble building message header, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: extensions=0p%p &extensions=0p%p extensions[0]=0p%p &extensions[0]=0p%p set w/msghdr.\n",
- program_name,
- extensions,
- &extensions,
- extensions[0],
- &extensions[0]);
- }
- if(debug) {
- fprintf(stdout, "%s: base message assembled.\n", program_name);
- }
-
- switch(alg) {
- case XF_AHHMACMD5:
- case XF_ESP3DESMD596:
- authalg = SADB_AALG_MD5_HMAC;
- break;
- case XF_AHHMACSHA1:
- case XF_ESP3DESSHA196:
- authalg = SADB_AALG_SHA1_HMAC;
- break;
-#ifndef NO_KERNEL_ALG
- case XF_OTHER_ALG:
- authalg= esp_info->authalg;
- if(debug) {
- fprintf(stdout, "%s: debug: authalg=%d\n",
- program_name, authalg);
- }
- break;
-#endif /* NO_KERNEL_ALG */
- case XF_ESP3DESMD5:
- default:
- authalg = SADB_AALG_NONE;
- }
- switch(alg) {
- case XF_ESP3DES:
- case XF_ESP3DESMD596:
- case XF_ESP3DESSHA196:
- encryptalg = SADB_EALG_3DES_CBC;
- break;
- case XF_COMPDEFLATE:
- encryptalg = SADB_X_CALG_DEFLATE;
- break;
-#ifndef NO_KERNEL_ALG
- case XF_OTHER_ALG:
- encryptalg= esp_info->encryptalg;
- if(debug) {
- fprintf(stdout, "%s: debug: encryptalg=%d\n",
- program_name, encryptalg);
- }
- break;
-#endif /* NO_KERNEL_ALG */
- default:
- encryptalg = SADB_EALG_NONE;
- }
- if(!(alg == XF_CLR /* IE: pfkey_msg->sadb_msg_type == SADB_FLUSH */)) {
- if((error = pfkey_sa_build(&extensions[SADB_EXT_SA],
- SADB_EXT_SA,
- htonl(spi), /* in network order */
- replay_window,
- SADB_SASTATE_MATURE,
- authalg,
- encryptalg,
- 0))) {
- fprintf(stderr, "%s: Trouble building sa extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: extensions[0]=0p%p previously set with msg_hdr.\n",
- program_name,
- extensions[0]);
- }
- if(debug) {
- fprintf(stdout, "%s: assembled SA extension, pfkey msg authalg=%d encalg=%d.\n",
- program_name,
- authalg,
- encryptalg);
- }
-
- if(debug) {
- int i,j;
- for(i = 0; i < life_maxsever; i++) {
- for(j = 0; j < life_maxtype; j++) {
- fprintf(stdout, "%s: i=%d, j=%d, life_opt[%d][%d]=0p%p, life[%d][%d]=%d\n",
- program_name,
- i, j, i, j, life_opt[i][j], i, j, life[i][j]);
- }
- }
- }
- if(life_opt[life_soft][life_alloc] != NULL ||
- life_opt[life_soft][life_bytes] != NULL ||
- life_opt[life_soft][life_addtime] != NULL ||
- life_opt[life_soft][life_usetime] != NULL ||
- life_opt[life_soft][life_packets] != NULL) {
- if((error = pfkey_lifetime_build(&extensions[SADB_EXT_LIFETIME_SOFT],
- SADB_EXT_LIFETIME_SOFT,
- life[life_soft][life_alloc],/*-1,*/ /*allocations*/
- life[life_soft][life_bytes],/*-1,*/ /*bytes*/
- life[life_soft][life_addtime],/*-1,*/ /*addtime*/
- life[life_soft][life_usetime],/*-1,*/ /*usetime*/
- life[life_soft][life_packets]/*-1*/))) { /*packets*/
- fprintf(stderr, "%s: Trouble building lifetime_s extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: lifetime_s extension assembled.\n",
- program_name);
- }
- }
-
- if(life_opt[life_hard][life_alloc] != NULL ||
- life_opt[life_hard][life_bytes] != NULL ||
- life_opt[life_hard][life_addtime] != NULL ||
- life_opt[life_hard][life_usetime] != NULL ||
- life_opt[life_hard][life_packets] != NULL) {
- if((error = pfkey_lifetime_build(&extensions[SADB_EXT_LIFETIME_HARD],
- SADB_EXT_LIFETIME_HARD,
- life[life_hard][life_alloc],/*-1,*/ /*allocations*/
- life[life_hard][life_bytes],/*-1,*/ /*bytes*/
- life[life_hard][life_addtime],/*-1,*/ /*addtime*/
- life[life_hard][life_usetime],/*-1,*/ /*usetime*/
- life[life_hard][life_packets]/*-1*/))) { /*packets*/
- fprintf(stderr, "%s: Trouble building lifetime_h extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: lifetime_h extension assembled.\n",
- program_name);
- }
- }
-
- if(debug) {
- addrtot(&src, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: assembling address_s extension (%s).\n",
- program_name, ipaddr_txt);
- }
-
- if((error = pfkey_address_build(&extensions[SADB_EXT_ADDRESS_SRC],
- SADB_EXT_ADDRESS_SRC,
- 0,
- 0,
- sockaddrof(&src)))) {
- addrtot(&src, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stderr, "%s: Trouble building address_s extension (%s), error=%d.\n",
- program_name, ipaddr_txt, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- ip_address temp_addr;
-
- switch(address_family) {
- case AF_INET:
- initaddr((const unsigned char *)&(((struct sockaddr_in*)( ((struct sadb_address*)(extensions[SADB_EXT_ADDRESS_SRC])) + 1))->sin_addr),
- sockaddrlenof(&src), address_family, &temp_addr);
- break;
- case AF_INET6:
- initaddr((const unsigned char *)&(((struct sockaddr_in6*)( ((struct sadb_address*)(extensions[SADB_EXT_ADDRESS_SRC])) + 1))->sin6_addr),
- sockaddrlenof(&src), address_family, &temp_addr);
- break;
- default:
- fprintf(stdout, "%s: unknown address family (%d).\n",
- program_name, address_family);
- exit(1);
- }
- addrtot(&temp_addr, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: address_s extension assembled (%s).\n",
- program_name, ipaddr_txt);
- }
-
- if(debug) {
- addrtot(&edst, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: assembling address_d extension (%s).\n",
- program_name, ipaddr_txt);
- }
-
- if((error = pfkey_address_build(&extensions[SADB_EXT_ADDRESS_DST],
- SADB_EXT_ADDRESS_DST,
- 0,
- 0,
- sockaddrof(&edst)))) {
- addrtot(&edst, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stderr, "%s: Trouble building address_d extension (%s), error=%d.\n",
- program_name, ipaddr_txt, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- ip_address temp_addr;
- switch(address_family) {
- case AF_INET:
- initaddr((const unsigned char *)&(((struct sockaddr_in*)( ((struct sadb_address*)(extensions[SADB_EXT_ADDRESS_DST])) + 1))->sin_addr),
- 4, address_family, &temp_addr);
- break;
- case AF_INET6:
- initaddr((const unsigned char *)&(((struct sockaddr_in6*)( ((struct sadb_address*)(extensions[SADB_EXT_ADDRESS_DST])) + 1))->sin6_addr),
- 16, address_family, &temp_addr);
- break;
- default:
- fprintf(stdout, "%s: unknown address family (%d).\n",
- program_name, address_family);
- exit(1);
- }
- addrtot(&temp_addr, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stdout, "%s: address_d extension assembled (%s).\n",
- program_name, ipaddr_txt);
- }
-
-#if PFKEY_PROXY
- anyaddr(address_family, &pfkey_address_p_ska);
- if((error = pfkey_address_build(&extensions[SADB_EXT_ADDRESS_PROXY],
- SADB_EXT_ADDRESS_PROXY,
- 0,
- 0,
- sockaddrof(&pfkey_address_p_ska)))) {
- fprintf(stderr, "%s: Trouble building address_p extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: address_p extension assembled.\n", program_name);
- }
-#endif /* PFKEY_PROXY */
-
- switch(alg) {
-#ifndef NO_KERNEL_ALG
- /* Allow no auth ... after all is local root decision 8) */
- case XF_OTHER_ALG:
- if (!authalg)
- break;
-#endif /* NO_KERNEL_ALG */
- case XF_AHHMACMD5:
- case XF_ESP3DESMD596:
- case XF_AHHMACSHA1:
- case XF_ESP3DESSHA196:
- if((error = pfkey_key_build(&extensions[SADB_EXT_KEY_AUTH],
- SADB_EXT_KEY_AUTH,
- authkeylen * 8,
- authkey))) {
- fprintf(stderr, "%s: Trouble building key_a extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: key_a extension assembled.\n",
- program_name);
- }
- break;
- default:
- break;
- }
-
- switch(alg) {
- case XF_ESP3DES:
- case XF_ESP3DESMD596:
- case XF_ESP3DESSHA196:
-#ifndef NO_KERNEL_ALG
- case XF_OTHER_ALG:
-#endif /* NO_KERNEL_ALG */
- if((error = pfkey_key_build(&extensions[SADB_EXT_KEY_ENCRYPT],
- SADB_EXT_KEY_ENCRYPT,
- enckeylen * 8,
- enckey))) {
- fprintf(stderr, "%s: Trouble building key_e extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: key_e extension assembled.\n",
- program_name);
- }
- break;
- default:
- break;
- }
-
-#ifdef PFKEY_IDENT /* GG: looks wierd, not touched */
- if((pfkey_ident_build(&extensions[SADB_EXT_IDENTITY_SRC],
- SADB_EXT_IDENTITY_SRC,
- SADB_IDENTTYPE_PREFIX,
- 0,
- strlen(pfkey_ident_s_ska),
- pfkey_ident_s_ska))) {
- fprintf(stderr, "%s: Trouble building ident_s extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(subnettoa(addr, mask, format, pfkey_ident_s_ska,
- sizeof(pfkey_ident_s_ska) ) !=
- sizeof(pfkey_ident_s_ska) ) {
- exit (1);
- }
-
- if((error = pfkey_ident_build(&extensions[SADB_EXT_IDENTITY_DST],
- SADB_EXT_IDENTITY_DST,
- SADB_IDENTTYPE_PREFIX,
- 0,
- strlen(pfkey_ident_d_ska),
- pfkey_ident_d_ska))) {
- fprintf(stderr, "%s: Trouble building ident_d extension, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if(subnettoa(addr, mask, format, pfkey_ident_d_ska,
- sizeof(pfkey_ident_d_ska) ) !=
- sizeof(pfkey_ident_d_ska) ) {
- exit (1);
- }
-
- if(debug) {
- fprintf(stdout, "%s: ident extensions assembled.\n",
- program_name);
- }
-#endif /* PFKEY_IDENT */
- }
-
- if(debug) {
- fprintf(stdout, "%s: assembling pfkey msg....\n",
- program_name);
- }
- if((error = pfkey_msg_build(&pfkey_msg, extensions, EXT_BITS_IN))) {
- fprintf(stderr, "%s: Trouble building pfkey message, error=%d.\n",
- program_name, error);
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- exit(1);
- }
- if(debug) {
- fprintf(stdout, "%s: assembled.\n",
- program_name);
- }
- if(debug) {
- fprintf(stdout, "%s: writing pfkey msg.\n",
- program_name);
- }
- io_error = write(pfkey_sock,
- pfkey_msg,
- pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN);
- if(io_error < 0) {
- fprintf(stderr, "%s: pfkey write failed (errno=%d): ",
- program_name, errno);
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- switch(errno) {
- case EACCES:
- fprintf(stderr, "access denied. ");
- if(getuid() == 0) {
- fprintf(stderr, "Check permissions. Should be 600.\n");
- } else {
- fprintf(stderr, "You must be root to open this file.\n");
- }
- break;
- case EUNATCH:
- fprintf(stderr, "Netlink not enabled OR KLIPS not loaded.\n");
- break;
- case EBUSY:
- fprintf(stderr, "KLIPS is busy. Most likely a serious internal error occured in a previous command. Please report as much detail as possible to development team.\n");
- break;
- case EINVAL:
- fprintf(stderr, "Invalid argument, check kernel log messages for specifics.\n");
- break;
- case ENODEV:
- fprintf(stderr, "KLIPS not loaded or enabled.\n");
- fprintf(stderr, "No device?!?\n");
- break;
- case ENOBUFS:
- fprintf(stderr, "No kernel memory to allocate SA.\n");
- break;
- case ESOCKTNOSUPPORT:
- fprintf(stderr, "Algorithm support not available in the kernel. Please compile in support.\n");
- break;
- case EEXIST:
- fprintf(stderr, "SA already in use. Delete old one first.\n");
- break;
- case ENOENT:
- fprintf(stderr, "device does not exist. See FreeS/WAN installation procedure.\n");
- break;
- case ENXIO:
- case ESRCH:
- fprintf(stderr, "SA does not exist. Cannot delete.\n");
- break;
- case ENOSPC:
- fprintf(stderr, "no room in kernel SAref table. Cannot process request.\n");
- break;
- case ESPIPE:
- fprintf(stderr, "kernel SAref table internal error. Cannot process request.\n");
- break;
- default:
- fprintf(stderr, "Unknown socket write error %d (%s). Please report as much detail as possible to development team.\n",
- errno, strerror(errno));
- }
- exit(1);
- } else if (io_error != (ssize_t)(pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN)) {
- fprintf(stderr, "%s: pfkey write truncated to %d bytes\n",
- program_name, (int)io_error);
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- exit(1);
- }
-
- if(debug) {
- fprintf(stdout, "%s: pfkey command written to socket.\n",
- program_name);
- }
-
- if(pfkey_msg) {
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- }
- if(debug) {
- fprintf(stdout, "%s: pfkey message buffer freed.\n",
- program_name);
- }
- if(authkey) {
- memset((caddr_t)authkey, 0, authkeylen);
- free(authkey);
- }
- if(enckey) {
- memset((caddr_t)enckey, 0, enckeylen);
- free(enckey);
- }
- if(iv) {
- memset((caddr_t)iv, 0, ivlen);
- free(iv);
- }
-
- if(listenreply || saref) {
- ssize_t readlen;
- unsigned char pfkey_buf[PFKEYv2_MAX_MSGSIZE];
-
- while((readlen = read(pfkey_sock, pfkey_buf, sizeof(pfkey_buf))) > 0) {
- struct sadb_ext *extensions[SADB_EXT_MAX + 1];
- pfkey_extensions_init(extensions);
- pfkey_msg = (struct sadb_msg *)pfkey_buf;
-
- /* first, see if we got enough for an sadb_msg */
- if((size_t)readlen < sizeof(struct sadb_msg)) {
- if(debug) {
- printf("%s: runt packet of size: %ld (<%lu)\n",
- program_name, (long)readlen, (unsigned long)sizeof(struct sadb_msg));
- }
- continue;
- }
-
- /* okay, we got enough for a message, print it out */
- if(debug) {
- printf("%s: pfkey v%d msg received. type=%d(%s) seq=%d len=%d pid=%d errno=%d satype=%d(%s)\n",
- program_name,
- pfkey_msg->sadb_msg_version,
- pfkey_msg->sadb_msg_type,
- pfkey_v2_sadb_type_string(pfkey_msg->sadb_msg_type),
- pfkey_msg->sadb_msg_seq,
- pfkey_msg->sadb_msg_len,
- pfkey_msg->sadb_msg_pid,
- pfkey_msg->sadb_msg_errno,
- pfkey_msg->sadb_msg_satype,
- satype2name(pfkey_msg->sadb_msg_satype));
- }
-
- if(readlen != (ssize_t)(pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN))
- {
- if(debug) {
- printf("%s: packet size read from socket=%d doesn't equal sadb_msg_len %u * %u; message not decoded\n",
- program_name,
- (int)readlen,
- (unsigned)pfkey_msg->sadb_msg_len,
- (unsigned)IPSEC_PFKEYv2_ALIGN);
- }
- continue;
- }
-
- if (pfkey_msg_parse(pfkey_msg, NULL, extensions, EXT_BITS_OUT)) {
- if(debug) {
- printf("%s: unparseable PF_KEY message.\n",
- program_name);
- }
- continue;
- } else {
- if(debug) {
- printf("%s: parseable PF_KEY message.\n",
- program_name);
- }
- }
- if((pid_t)pfkey_msg->sadb_msg_pid == mypid) {
- if(saref) {
- printf("%s: saref=%d\n",
- program_name,
- (extensions[SADB_EXT_SA] != NULL)
- ? ((struct sadb_sa*)(extensions[SADB_EXT_SA]))->sadb_x_sa_ref
- : IPSEC_SAREF_NULL);
- }
- break;
- }
- }
- }
- (void) close(pfkey_sock); /* close the socket */
- if(debug || listenreply) {
- printf("%s: exited normally\n", program_name);
- }
- exit(0);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 03:28:59 +0000