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Diffstat (limited to 'programs/eroute/eroute.c')
-rw-r--r--programs/eroute/eroute.c1044
1 files changed, 0 insertions, 1044 deletions
diff --git a/programs/eroute/eroute.c b/programs/eroute/eroute.c
deleted file mode 100644
index d1b2bff0a..000000000
--- a/programs/eroute/eroute.c
+++ /dev/null
@@ -1,1044 +0,0 @@
-/*
- * manipulate eroutes
- * Copyright (C) 1996 John Ioannidis.
- * Copyright (C) 1997, 1998, 1999, 2000, 2001 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 eroute_c_version[] = "RCSID $Id: eroute.c,v 1.3 2005/02/24 20:03:46 as Exp $";
-
-
-#include <sys/types.h>
-#include <linux/types.h> /* new */
-#include <string.h>
-#include <errno.h>
-#include <stdlib.h> /* system(), strtoul() */
-
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <netdb.h>
-
-
-#include <unistd.h>
-#include <freeswan.h>
-#if 0
-#include <linux/autoconf.h> /* CONFIG_IPSEC_PFKEYv2 */
-#endif
-/* permanently turn it on since netlink support has been disabled */
-
-#include <signal.h>
-#include <pfkeyv2.h>
-#include <pfkey.h>
-
-#include "freeswan/radij.h"
-#include "freeswan/ipsec_encap.h"
-
-#include <stdio.h>
-#include <getopt.h>
-
-char *program_name;
-char me[] = "ipsec eroute";
-extern char *optarg;
-extern int optind, opterr, optopt;
-char *eroute_af_opt, *said_af_opt, *edst_opt, *spi_opt, *proto_opt, *said_opt, *dst_opt, *src_opt;
-char *transport_proto_opt, *src_port_opt, *dst_port_opt;
-int action_type = 0;
-
-int pfkey_sock;
-fd_set pfkey_socks;
-uint32_t pfkey_seq = 0;
-
-#define EMT_IFADDR 1 /* set enc if addr */
-#define EMT_SETSPI 2 /* Set SPI properties */
-#define EMT_DELSPI 3 /* Delete an SPI */
-#define EMT_GRPSPIS 4 /* Group SPIs (output order) */
-#define EMT_SETEROUTE 5 /* set an extended route */
-#define EMT_DELEROUTE 6 /* del an extended route */
-#define EMT_TESTROUTE 7 /* try to find route, print to console */
-#define EMT_SETDEBUG 8 /* set debug level if active */
-#define EMT_UNGRPSPIS 9 /* UnGroup SPIs (output order) */
-#define EMT_CLREROUTE 10 /* clear the extended route table */
-#define EMT_CLRSPIS 11 /* clear the spi table */
-#define EMT_REPLACEROUTE 12 /* set an extended route */
-#define EMT_GETDEBUG 13 /* get debug level if active */
-#define EMT_INEROUTE 14 /* set incoming policy for IPIP on a chain */
-
-static void
-add_port(int af, ip_address * addr, short port)
-{
- switch (af)
- {
- case AF_INET:
- addr->u.v4.sin_port = port;
- break;
- case AF_INET6:
- addr->u.v6.sin6_port = port;
- break;
- }
-}
-
-static void
-usage(char* arg)
-{
- fprintf(stdout, "usage: %s --{add,addin,replace} --eraf <inet | inet6> --src <src>/<srcmaskbits>|<srcmask> --dst <dst>/<dstmaskbits>|<dstmask> [ --transport-proto <protocol> ] [ --src-port <source-port> ] [ --dst-port <dest-port> ] <SA>\n", arg);
- fprintf(stdout, " where <SA> is '--af <inet | inet6> --edst <edst> --spi <spi> --proto <proto>'\n");
- fprintf(stdout, " OR '--said <said>'\n");
- fprintf(stdout, " OR '--said <%%passthrough | %%passthrough4 | %%passthrough6 | %%drop | %%reject | %%trap | %%hold | %%pass>'.\n");
- fprintf(stdout, " %s --del --eraf <inet | inet6>--src <src>/<srcmaskbits>|<srcmask> --dst <dst>/<dstmaskbits>|<dstmask> [ --transport-proto <protocol> ] [ --src-port <source-port> ] [ --dst-port <dest-port> ]\n", arg);
- fprintf(stdout, " %s --clear\n", arg);
- fprintf(stdout, " %s --help\n", arg);
- fprintf(stdout, " %s --version\n", arg);
- fprintf(stdout, " %s\n", arg);
- fprintf(stdout, " [ --debug ] is optional to any %s command.\n", arg);
- fprintf(stdout, " [ --label <label> ] is optional to any %s command.\n", arg);
- exit(1);
-}
-
-static struct option const longopts[] =
-{
- {"dst", 1, 0, 'D'},
- {"src", 1, 0, 'S'},
- {"eraf", 1, 0, 'f'},
- {"add", 0, 0, 'a'},
- {"addin", 0, 0, 'A'},
- {"replace", 0, 0, 'r'},
- {"clear", 0, 0, 'c'},
- {"del", 0, 0, 'd'},
- {"af", 1, 0, 'i'},
- {"edst", 1, 0, 'e'},
- {"proto", 1, 0, 'p'},
- {"transport-proto", 1, 0, 'P'},
- {"src-port", 1, 0, 'Q'},
- {"dst-port", 1, 0, 'R'},
- {"help", 0, 0, 'h'},
- {"spi", 1, 0, 's'},
- {"said", 1, 0, 'I'},
- {"version", 0, 0, 'v'},
- {"label", 1, 0, 'l'},
- {"optionsfrom", 1, 0, '+'},
- {"debug", 0, 0, 'g'},
- {0, 0, 0, 0}
-};
-
-int
-main(int argc, char **argv)
-{
- /* int fd; */
- char *endptr;
- /* int ret; */
- int c, previous = -1;
- const char* error_s;
- int debug = 0;
-
- int error = 0;
-
- char ipaddr_txt[ADDRTOT_BUF];
- struct sadb_ext *extensions[SADB_EXT_MAX + 1];
- struct sadb_msg *pfkey_msg;
- ip_address pfkey_address_s_ska;
- /*struct sockaddr_in pfkey_address_d_ska;*/
- ip_address pfkey_address_sflow_ska;
- ip_address pfkey_address_dflow_ska;
- ip_address pfkey_address_smask_ska;
- ip_address pfkey_address_dmask_ska;
-
- int transport_proto = 0;
- int src_port = 0;
- int dst_port = 0;
- ip_said said;
- ip_subnet s_subnet, d_subnet;
- int eroute_af = 0;
- int said_af = 0;
-
- int argcount = argc;
-
- const char permitted_options[] =
- "%s: Only one of '--add', '--addin', '--replace', '--clear', or '--del' options permitted.\n";
-
- program_name = argv[0];
- eroute_af_opt = said_af_opt = edst_opt = spi_opt = proto_opt = said_opt = dst_opt = src_opt = NULL;
-
- while((c = getopt_long(argc, argv, ""/*"acdD:e:i:hprs:S:f:vl:+:g"*/, longopts, 0)) != EOF)
- {
- switch(c)
- {
- case 'g':
- debug = 1;
- pfkey_lib_debug = PF_KEY_DEBUG_PARSE_MAX;
- argcount--;
- break;
- case 'a':
- if (action_type)
- {
- fprintf(stderr, permitted_options, program_name);
- exit(1);
- }
- action_type = EMT_SETEROUTE;
- break;
- case 'A':
- if (action_type)
- {
- fprintf(stderr, permitted_options, program_name);
- exit(1);
- }
- action_type = EMT_INEROUTE;
- break;
- case 'r':
- if (action_type)
- {
- fprintf(stderr, permitted_options, program_name);
- exit(1);
- }
- action_type = EMT_REPLACEROUTE;
- break;
- case 'c':
- if (action_type)
- {
- fprintf(stderr, permitted_options, program_name);
- exit(1);
- }
- action_type = EMT_CLREROUTE;
- break;
- case 'd':
- if (action_type)
- {
- fprintf(stderr, permitted_options, program_name);
- exit(1);
- }
- action_type = EMT_DELEROUTE;
- 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, said_af, &said.dst);
- if (error_s != NULL)
- {
- fprintf(stderr, "%s: Error, %s converting --edst argument:%s\n"
- , program_name, error_s, optarg);
- exit (1);
- }
- edst_opt = optarg;
- break;
- case 'h':
- case '?':
- usage(program_name);
- exit(1);
- 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);
- }
- said.spi = htonl(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 (ntohl(said.spi) < 0x100)
- {
- fprintf(stderr, "%s: Illegal reserved spi: %s => 0x%x Must be larger than 0x100.\n"
- , program_name, optarg, ntohl(said.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 0
- if (said.proto)
- {
- fprintf(stderr, "%s: Warning, PROTO parameter redefined:%s\n"
- , program_name, optarg);
- exit (1);
- }
-#endif
- if (!strcmp(optarg, "ah"))
- said.proto = SA_AH;
- if (!strcmp(optarg, "esp"))
- said.proto = SA_ESP;
- if (!strcmp(optarg, "tun"))
- said.proto = SA_IPIP;
- if (!strcmp(optarg, "comp"))
- said.proto = SA_COMP;
- if (said.proto == 0)
- {
- fprintf(stderr, "%s: Invalid PROTO parameter: %s\n"
- , program_name, optarg);
- exit (1);
- }
- proto_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);
- }
- if (said_af_opt)
- {
- fprintf(stderr, "%s: Error, address family parameter redefined in SA:%s, already defined as:%s\n"
- , program_name, optarg, said_af_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);
- }
- else if (ntohl(said.spi) < 0x100)
- {
- fprintf(stderr, "%s: Illegal reserved spi: %s => 0x%x Must be larger than or equal to 0x100.\n"
- , program_name, optarg, said.spi);
- exit(1);
- }
- said_af = addrtypeof(&said.dst);
- said_opt = optarg;
- break;
- case 'v':
- fprintf(stdout, "%s %s\n", me, ipsec_version_code());
- fprintf(stdout, "See `ipsec --copyright' for copyright information.\n");
- exit(1);
- 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 = ttosubnet(optarg, 0, eroute_af, &d_subnet);
- if (error_s != NULL)
- {
- fprintf(stderr, "%s: Error, %s converting --dst argument: %s\n"
- , program_name, error_s, optarg);
- exit (1);
- }
- dst_opt = optarg;
- 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 = ttosubnet(optarg, 0, eroute_af, &s_subnet);
- if (error_s != NULL)
- {
- fprintf(stderr, "%s: Error, %s converting --src argument: %s\n"
- , program_name, error_s, optarg);
- exit (1);
- }
- src_opt = optarg;
- break;
- case 'P':
- if (transport_proto_opt)
- {
- fprintf(stderr, "%s: Error, --transport-proto parameter redefined:%s, already defined as:%s\n"
- , program_name, optarg, transport_proto_opt);
- exit(1);
- }
- transport_proto_opt = optarg;
- break;
- case 'Q':
- if (src_port_opt)
- {
- fprintf(stderr, "%s: Error, --src-port parameter redefined:%s, already defined as:%s\n"
- , program_name, optarg, src_port_opt);
- exit(1);
- }
- src_port_opt = optarg;
- break;
- case 'R':
- if (dst_port_opt)
- {
- fprintf(stderr, "%s: Error, --dst-port parameter redefined:%s, already defined as:%s\n"
- , program_name, optarg, dst_port_opt);
- exit(1);
- }
- dst_port_opt = optarg;
- 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 'i': /* specifies the address family of the SAID, stored in said_af */
- if (said_af_opt)
- {
- fprintf(stderr, "%s: Error, address family of SAID redefined:%s, already defined as:%s\n"
- , program_name, optarg, said_af_opt);
- exit (1);
- }
- if (!strcmp(optarg, "inet"))
- said_af = AF_INET;
- if (!strcmp(optarg, "inet6"))
- said_af = AF_INET6;
- if (said_af == 0)
- {
- fprintf(stderr, "%s: Invalid address family parameter for SAID: %s\n"
- , program_name, optarg);
- exit (1);
- }
- said_af_opt = optarg;
- break;
- case 'f': /* specifies the address family of the eroute, stored in eroute_af */
- if (eroute_af_opt)
- {
- fprintf(stderr, "%s: Error, address family of eroute redefined:%s, already defined as:%s\n"
- , program_name, optarg, eroute_af_opt);
- exit (1);
- }
- if (!strcmp(optarg, "inet"))
- eroute_af = AF_INET;
- if (!strcmp(optarg, "inet6"))
- eroute_af = AF_INET6;
- if (eroute_af == 0)
- {
- fprintf(stderr, "%s: Invalid address family parameter for eroute: %s\n"
- , program_name, optarg);
- exit (1);
- }
- eroute_af_opt = optarg;
- break;
- case '+': /* optionsfrom */
- optionsfrom(optarg, &argc, &argv, optind, stderr);
- /* no return on error */
- break;
- default:
- break;
- }
- previous = c;
- }
-
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: argc=%d\n", program_name, argc);
- }
-
- if (argcount == 1)
- {
- system("cat /proc/net/ipsec_eroute");
- exit(0);
- }
-
- /* Sanity checks */
-
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: action_type=%d\n", program_name, action_type);
- }
-
- if (transport_proto_opt != 0)
- {
- struct protoent * proto = getprotobyname(transport_proto_opt);
-
- if (proto != 0)
- {
- transport_proto = proto->p_proto;
- }
- else
- {
- transport_proto = strtoul(transport_proto_opt, &endptr, 0);
-
- if ((*endptr != '\0')
- || (transport_proto == 0 && endptr == transport_proto_opt))
- {
- fprintf(stderr, "%s: Invalid character in --transport-proto parameter: %s\n"
- , program_name, transport_proto_opt);
- exit (1);
- }
- if (transport_proto > 255)
- {
- fprintf(stderr, "%s: --transport-proto parameter: %s must be in the range 0 to 255 inclusive\n"
- , program_name, transport_proto_opt);
- exit (1);
- }
- }
- }
-
- if (src_port_opt != 0 || dst_port_opt != 0)
- {
- switch (transport_proto)
- {
- case IPPROTO_UDP:
- case IPPROTO_TCP:
- break;
- default:
- fprintf(stderr, "%s: --transport-proto with either UDP or TCP must be specified if --src-port or --dst-port is used\n"
- , program_name);
- exit(1);
- }
- }
-
- if (src_port_opt)
- {
- struct servent * ent = getservbyname(src_port_opt, 0);
-
- if (ent != 0)
- {
- src_port = ent->s_port;
- }
- else
- {
- src_port = strtoul(src_port_opt, &endptr, 0);
-
- if ((*endptr != '\0')
- || (src_port == 0 && endptr == src_port_opt))
- {
- fprintf(stderr, "%s: Invalid character in --src-port parameter: %s\n"
- , program_name, src_port_opt);
- exit (1);
- }
- if (src_port > 65535)
- {
- fprintf(stderr, "%s: --src-port parameter: %s must be in the range 0 to 65535 inclusive\n"
- , program_name, src_port_opt);
- }
- src_port = htons(src_port);
- }
- }
-
- if (dst_port_opt)
- {
- struct servent * ent = getservbyname(dst_port_opt, 0);
-
- if (ent != 0)
- {
- dst_port = ent->s_port;
- }
- else
- {
- dst_port = strtoul(dst_port_opt, &endptr, 0);
-
- if ((*endptr != '\0')
- || (dst_port == 0 && endptr == dst_port_opt))
- {
- fprintf(stderr, "%s: Invalid character in --dst-port parameter: %s\n"
- , program_name, dst_port_opt);
- exit (1);
- }
- if (dst_port > 65535)
- {
- fprintf(stderr, "%s: --dst-port parameter: %s must be in the range 0 to 65535 inclusive\n"
- , program_name, dst_port_opt);
- }
- dst_port = htons(dst_port);
- }
- }
-
- switch(action_type)
- {
- case EMT_SETEROUTE:
- case EMT_REPLACEROUTE:
- case EMT_INEROUTE:
- if (!(said_af_opt && edst_opt && spi_opt && proto_opt) && !(said_opt))
- {
- fprintf(stderr, "%s: add and addin options must have SA specified.\n"
- , program_name);
- exit(1);
- }
- case EMT_DELEROUTE:
- if (!src_opt)
- {
- fprintf(stderr, "%s: Error -- %s option '--src' is required.\n"
- , program_name, (action_type == EMT_SETEROUTE) ? "add" : "del");
- exit(1);
- }
- if (!dst_opt)
- {
- fprintf(stderr, "%s: Error -- %s option '--dst' is required.\n"
- , program_name, (action_type == EMT_SETEROUTE) ? "add" : "del");
- exit(1);
- }
- case EMT_CLREROUTE:
- break;
- default:
- fprintf(stderr, "%s: exactly one of '--add', '--addin', '--replace', '--del' or '--clear' options must be specified.\n"
- "Try %s --help' for usage information.\n"
- , program_name, program_name);
- exit(1);
- }
-
- 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, "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:
- case ENOMEM:
- case ENFILE:
- fprintf(stderr, "No kernel memory to allocate socket.\n");
- break;
- case EMFILE:
- fprintf(stderr, "Process file table overflow.\n");
- break;
- case ESOCKTNOSUPPORT:
- fprintf(stderr, "Socket type not supported.\n");
- break;
- case EPROTONOSUPPORT:
- fprintf(stderr, "Protocol version not supported.\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);
- }
-
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: PFKEYv2 socket successfully openned=%d.\n"
- , program_name, pfkey_sock);
- }
-
- /* Build an SADB_X_ADDFLOW or SADB_X_DELFLOW message to send down. */
- /* It needs <base, SA, address(SD), flow(SD), mask(SD)> minimum. */
- pfkey_extensions_init(extensions);
-
- error = pfkey_msg_hdr_build(&extensions[0]
- , (action_type == EMT_SETEROUTE || action_type == EMT_REPLACEROUTE
- || action_type == EMT_INEROUTE)? SADB_X_ADDFLOW : SADB_X_DELFLOW
- , proto2satype(said.proto)
- , 0
- , ++pfkey_seq
- , getpid()
- );
-
- if (error)
- {
- fprintf(stderr, "%s: Trouble building message header, error=%d.\n"
- , program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
-
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_msg_hdr_build successfull.\n"
- , program_name);
- }
-
- switch (action_type)
- {
- case EMT_SETEROUTE:
- case EMT_REPLACEROUTE:
- case EMT_INEROUTE:
- case EMT_CLREROUTE:
- error = pfkey_sa_build(&extensions[SADB_EXT_SA]
- , SADB_EXT_SA
- , said.spi /* in network order */
- , 0
- , 0
- , 0
- , 0
- , (action_type == EMT_CLREROUTE) ? SADB_X_SAFLAGS_CLEARFLOW : 0
- );
-
- if (error)
- {
- fprintf(stderr, "%s: Trouble building sa extension, error=%d.\n"
- , program_name, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_sa_build successful.\n"
- , program_name);
- }
- default:
- break;
- }
-
- switch (action_type)
- {
- case EMT_SETEROUTE:
- case EMT_REPLACEROUTE:
- case EMT_INEROUTE:
- anyaddr(said_af, &pfkey_address_s_ska);
- error = pfkey_address_build(&extensions[SADB_EXT_ADDRESS_SRC]
- , SADB_EXT_ADDRESS_SRC
- , 0
- , 0
- , sockaddrof(&pfkey_address_s_ska)
- );
- if (error)
- {
- addrtot(&pfkey_address_s_ska, 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)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_address_build successful for src.\n"
- , program_name);
- }
-
- error = pfkey_address_build(&extensions[SADB_EXT_ADDRESS_DST]
- , SADB_EXT_ADDRESS_DST
- , 0
- , 0
- , sockaddrof(&said.dst)
- );
-
- if (error)
- {
- addrtot(&said.dst, 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)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_address_build successful for dst.\n"
- , program_name);
- }
- default:
- break;
- }
-
- switch (action_type)
- {
- case EMT_SETEROUTE:
- case EMT_REPLACEROUTE:
- case EMT_INEROUTE:
- case EMT_DELEROUTE:
- networkof(&s_subnet, &pfkey_address_sflow_ska); /* src flow */
- add_port(eroute_af, &pfkey_address_sflow_ska, src_port);
-
- error = pfkey_address_build(&extensions[SADB_X_EXT_ADDRESS_SRC_FLOW]
- , SADB_X_EXT_ADDRESS_SRC_FLOW
- , 0
- , 0
- , sockaddrof(&pfkey_address_sflow_ska)
- );
-
- if (error)
- {
- addrtot(&pfkey_address_sflow_ska, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stderr, "%s: Trouble building address_sflow extension (%s), error=%d.\n",
- program_name, ipaddr_txt, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_address_build successful for src flow.\n"
- , program_name);
- }
-
- networkof(&d_subnet, &pfkey_address_dflow_ska); /* dst flow */
- add_port(eroute_af, &pfkey_address_dflow_ska, dst_port);
-
- error = pfkey_address_build(&extensions[SADB_X_EXT_ADDRESS_DST_FLOW]
- , SADB_X_EXT_ADDRESS_DST_FLOW
- , 0
- , 0
- , sockaddrof(&pfkey_address_dflow_ska)
- );
-
- if (error)
- {
- addrtot(&pfkey_address_dflow_ska, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stderr, "%s: Trouble building address_dflow extension (%s), error=%d.\n"
- , program_name, ipaddr_txt, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_address_build successful for dst flow.\n"
- , program_name);
- }
-
- maskof(&s_subnet, &pfkey_address_smask_ska); /* src mask */
- add_port(eroute_af, &pfkey_address_smask_ska, src_port ? ~0:0);
-
- error = pfkey_address_build(&extensions[SADB_X_EXT_ADDRESS_SRC_MASK]
- , SADB_X_EXT_ADDRESS_SRC_MASK
- , 0
- , 0
- , sockaddrof(&pfkey_address_smask_ska)
- );
-
- if (error)
- {
- addrtot(&pfkey_address_smask_ska, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stderr, "%s: Trouble building address_smask extension (%s), error=%d.\n"
- , program_name, ipaddr_txt, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_address_build successful for src mask.\n"
- , program_name);
- }
-
- maskof(&d_subnet, &pfkey_address_dmask_ska); /* dst mask */
- add_port(eroute_af, &pfkey_address_dmask_ska, dst_port ? ~0:0);
-
- error = pfkey_address_build(&extensions[SADB_X_EXT_ADDRESS_DST_MASK]
- , SADB_X_EXT_ADDRESS_DST_MASK
- , 0
- , 0
- , sockaddrof(&pfkey_address_dmask_ska)
- );
-
- if (error)
- {
- addrtot(&pfkey_address_dmask_ska, 0, ipaddr_txt, sizeof(ipaddr_txt));
- fprintf(stderr, "%s: Trouble building address_dmask extension (%s), error=%d.\n"
- , program_name, ipaddr_txt, error);
- pfkey_extensions_free(extensions);
- exit(1);
- }
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey_address_build successful for dst mask.\n"
- , program_name);
- }
- }
-
- if (transport_proto != 0)
- {
- error = pfkey_x_protocol_build(&extensions[SADB_X_EXT_PROTOCOL]
- , transport_proto);
-
- if (error)
- {
- fprintf(stderr, "%s: Trouble building transport protocol extension, error=%d.\n"
- , program_name, error);
- exit(1);
- }
- }
-
- error = pfkey_msg_build(&pfkey_msg, extensions, EXT_BITS_IN);
-
- if (error)
- {
- 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: DEBUG: pfkey_msg_build successful.\n"
- , program_name);
- }
-
- error = write(pfkey_sock
- , pfkey_msg
- , pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN
- )
- != (ssize_t)(pfkey_msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN);
-
- if (error)
- {
- fprintf(stderr, "%s: pfkey write failed, returning %d with errno=%d.\n"
- , program_name, error, errno);
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
-
- switch (errno)
- {
- case EINVAL:
- fprintf(stderr, "Invalid argument, check kernel log messages for specifics.\n");
- break;
- case ENXIO:
- if (action_type == EMT_SETEROUTE || action_type == EMT_REPLACEROUTE)
- {
- fprintf(stderr, "Invalid mask.\n");
- break;
- }
- if (action_type == EMT_DELEROUTE)
- {
- fprintf(stderr, "Mask not found.\n");
- break;
- }
- case EFAULT:
- if (action_type == EMT_SETEROUTE || action_type == EMT_REPLACEROUTE)
- {
- fprintf(stderr, "Invalid address.\n");
- break;
- }
- if (action_type == EMT_DELEROUTE)
- {
- fprintf(stderr, "Address not found.\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, "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 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, "eroute already in use. Delete old one first.\n");
- break;
- case ENOENT:
- if (action_type == EMT_INEROUTE)
- {
- fprintf(stderr, "non-existant IPIP SA.\n");
- break;
- }
- fprintf(stderr, "eroute doesn't exist. Can't 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. Please report as much detail as possible to development team.\n"
- , errno);
- }
-/* fprintf(stderr, "%s: socket write returned errno %d\n",
- program_name, errno);*/
- exit(1);
- }
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: pfkey write successful.\n"
- , program_name);
- }
-
- if (pfkey_msg)
- {
- pfkey_extensions_free(extensions);
- pfkey_msg_free(&pfkey_msg);
- }
-
- (void) close(pfkey_sock); /* close the socket */
-
- if (debug)
- {
- fprintf(stdout, "%s: DEBUG: write ok\n", program_name);
- }
-
- exit(0);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 11:26:12 +0000