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/* $OpenBSD: ikectl.c,v 1.23 2015/12/05 13:11:18 claudio Exp $ */ |
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/* |
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* Copyright (c) 2007-2013 Reyk Floeter <reyk@openbsd.org> |
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* Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org> |
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* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org> |
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* Copyright (c) 2003 Henning Brauer <henning@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/queue.h> |
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#include <sys/un.h> |
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#include <sys/tree.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <event.h> |
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#include "iked.h" |
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#include "parser.h" |
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__dead void usage(void); |
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struct imsgname { |
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int type; |
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char *name; |
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void (*func)(struct imsg *); |
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}; |
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struct imsgname *monitor_lookup(uint8_t); |
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void monitor_id(struct imsg *); |
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int monitor(struct imsg *); |
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int ca_opt(struct parse_result *); |
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struct imsgname imsgs[] = { |
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{ IMSG_CTL_OK, "ok", NULL }, |
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{ IMSG_CTL_FAIL, "fail", NULL }, |
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{ IMSG_CTL_VERBOSE, "verbose", NULL }, |
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{ IMSG_CTL_RELOAD, "reload", NULL }, |
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{ IMSG_CTL_RESET, "reset", NULL }, |
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{ 0, NULL, NULL } |
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}; |
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struct imsgname imsgunknown = { |
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-1, "<unknown>", NULL |
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}; |
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struct imsgbuf *ibuf; |
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__dead void |
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usage(void) |
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{ |
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extern char *__progname; |
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fprintf(stderr, "usage: %s [-q] [-s socket] command [arg ...]\n", |
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__progname); |
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exit(1); |
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} |
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int |
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ca_opt(struct parse_result *res) |
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{ |
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struct ca *ca; |
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size_t len; |
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char *p; |
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ca = ca_setup(res->caname, (res->action == CA_CREATE), |
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res->quiet, res->pass); |
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if (ca == NULL) |
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errx(1, "ca_setup failed"); |
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/* assume paths are relative to /etc if not absolute */ |
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if (res->path && (res->path[0] != '.') && (res->path[0] != '/')) { |
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len = 5 + strlen(res->path) + 1; |
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if ((p = malloc(len)) == NULL) |
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err(1, "malloc"); |
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snprintf(p, len, "/etc/%s", res->path); |
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free(res->path); |
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res->path = p; |
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} |
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switch (res->action) { |
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case CA_CREATE: |
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ca_create(ca); |
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break; |
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case CA_DELETE: |
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ca_delete(ca); |
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break; |
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case CA_INSTALL: |
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ca_install(ca, res->path); |
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break; |
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case CA_EXPORT: |
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ca_export(ca, NULL, res->peer, res->pass); |
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break; |
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case CA_CERT_CREATE: |
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case CA_SERVER: |
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case CA_CLIENT: |
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case CA_OCSP: |
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ca_certificate(ca, res->host, res->htype, res->action); |
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break; |
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case CA_CERT_DELETE: |
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ca_delkey(ca, res->host); |
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break; |
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case CA_CERT_INSTALL: |
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ca_cert_install(ca, res->host, res->path); |
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break; |
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case CA_CERT_EXPORT: |
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ca_export(ca, res->host, res->peer, res->pass); |
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break; |
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case CA_CERT_REVOKE: |
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ca_revoke(ca, res->host); |
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break; |
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case SHOW_CA_CERTIFICATES: |
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ca_show_certs(ca, res->host); |
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break; |
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case CA_KEY_CREATE: |
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ca_key_create(ca, res->host); |
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break; |
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case CA_KEY_DELETE: |
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ca_key_delete(ca, res->host); |
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break; |
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case CA_KEY_INSTALL: |
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ca_key_install(ca, res->host, res->path); |
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break; |
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case CA_KEY_IMPORT: |
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ca_key_import(ca, res->host, res->path); |
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break; |
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default: |
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break; |
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} |
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return (0); |
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} |
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int |
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main(int argc, char *argv[]) |
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{ |
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struct sockaddr_un sun; |
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struct parse_result *res; |
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struct imsg imsg; |
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int ctl_sock; |
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int done = 1; |
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int n; |
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int ch; |
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int v = 0; |
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int quiet = 0; |
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const char *sock = IKED_SOCKET; |
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while ((ch = getopt(argc, argv, "qs:")) != -1) { |
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switch (ch) { |
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case 'q': |
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quiet = 1; |
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break; |
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case 's': |
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sock = optarg; |
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break; |
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default: |
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usage(); |
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/* NOTREACHED */ |
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} |
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} |
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argc -= optind; |
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argv += optind; |
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/* parse options */ |
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if ((res = parse(argc, argv)) == NULL) |
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exit(1); |
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res->quiet = quiet; |
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switch (res->action) { |
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case CA_CREATE: |
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case CA_DELETE: |
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case CA_INSTALL: |
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case CA_EXPORT: |
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case CA_CERT_CREATE: |
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case CA_CLIENT: |
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case CA_SERVER: |
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case CA_OCSP: |
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case CA_CERT_DELETE: |
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case CA_CERT_INSTALL: |
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case CA_CERT_EXPORT: |
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case CA_CERT_REVOKE: |
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case SHOW_CA: |
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case SHOW_CA_CERTIFICATES: |
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case CA_KEY_CREATE: |
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case CA_KEY_DELETE: |
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case CA_KEY_INSTALL: |
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case CA_KEY_IMPORT: |
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if (pledge("stdio proc exec rpath wpath cpath fattr tty flock", NULL) |
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== -1) |
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err(1, "pledge"); |
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ca_opt(res); |
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break; |
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case NONE: |
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usage(); |
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break; |
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default: |
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goto connect; |
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} |
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return (0); |
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connect: |
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/* connect to iked control socket */ |
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if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) |
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err(1, "socket"); |
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bzero(&sun, sizeof(sun)); |
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sun.sun_family = AF_UNIX; |
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strlcpy(sun.sun_path, sock, sizeof(sun.sun_path)); |
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reconnect: |
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if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) { |
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/* Keep retrying if running in monitor mode */ |
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if (res->action == MONITOR && |
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(errno == ENOENT || errno == ECONNREFUSED)) { |
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usleep(100); |
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goto reconnect; |
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} |
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err(1, "connect: %s", sock); |
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} |
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if (pledge("stdio flock rpath cpath wpath", NULL) == -1) |
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err(1, "pledge"); |
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244 |
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if (res->ibuf != NULL) |
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ibuf = res->ibuf; |
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else |
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if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL) |
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err(1, "malloc"); |
249 |
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imsg_init(ibuf, ctl_sock); |
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/* process user request */ |
252 |
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switch (res->action) { |
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case RESETALL: |
254 |
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v = RESET_ALL; |
255 |
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break; |
256 |
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case RESETCA: |
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v = RESET_CA; |
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break; |
259 |
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case RESETPOLICY: |
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v = RESET_POLICY; |
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break; |
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case RESETSA: |
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v = RESET_SA; |
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break; |
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case RESETUSER: |
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v = RESET_USER; |
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break; |
268 |
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case LOG_VERBOSE: |
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v = 2; |
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break; |
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case LOG_BRIEF: |
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default: |
273 |
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v = 0; |
274 |
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break; |
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} |
276 |
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277 |
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switch (res->action) { |
278 |
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case NONE: |
279 |
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usage(); |
280 |
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/* NOTREACHED */ |
281 |
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break; |
282 |
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case RESETALL: |
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case RESETCA: |
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case RESETPOLICY: |
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case RESETSA: |
286 |
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case RESETUSER: |
287 |
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imsg_compose(ibuf, IMSG_CTL_RESET, 0, 0, -1, &v, sizeof(v)); |
288 |
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printf("reset request sent.\n"); |
289 |
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break; |
290 |
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case LOAD: |
291 |
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imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, |
292 |
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res->path, strlen(res->path)); |
293 |
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break; |
294 |
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case RELOAD: |
295 |
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imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, NULL, 0); |
296 |
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break; |
297 |
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case MONITOR: |
298 |
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imsg_compose(ibuf, IMSG_CTL_NOTIFY, 0, 0, -1, NULL, 0); |
299 |
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done = 0; |
300 |
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break; |
301 |
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case COUPLE: |
302 |
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imsg_compose(ibuf, IMSG_CTL_COUPLE, 0, 0, -1, NULL, 0); |
303 |
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break; |
304 |
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case DECOUPLE: |
305 |
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imsg_compose(ibuf, IMSG_CTL_DECOUPLE, 0, 0, -1, NULL, 0); |
306 |
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break; |
307 |
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case ACTIVE: |
308 |
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imsg_compose(ibuf, IMSG_CTL_ACTIVE, 0, 0, -1, NULL, 0); |
309 |
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break; |
310 |
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case PASSIVE: |
311 |
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imsg_compose(ibuf, IMSG_CTL_PASSIVE, 0, 0, -1, NULL, 0); |
312 |
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break; |
313 |
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case LOG_VERBOSE: |
314 |
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case LOG_BRIEF: |
315 |
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imsg_compose(ibuf, IMSG_CTL_VERBOSE, 0, 0, -1, &v, sizeof(v)); |
316 |
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printf("logging request sent.\n"); |
317 |
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break; |
318 |
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default: |
319 |
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break; |
320 |
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} |
321 |
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|
322 |
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while (ibuf->w.queued) |
323 |
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if (msgbuf_write(&ibuf->w) <= 0 && errno != EAGAIN) |
324 |
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err(1, "write error"); |
325 |
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326 |
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while (!done) { |
327 |
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if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) |
328 |
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errx(1, "imsg_read error"); |
329 |
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if (n == 0) |
330 |
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errx(1, "pipe closed"); |
331 |
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|
332 |
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while (!done) { |
333 |
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if ((n = imsg_get(ibuf, &imsg)) == -1) |
334 |
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errx(1, "imsg_get error"); |
335 |
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if (n == 0) |
336 |
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break; |
337 |
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switch (res->action) { |
338 |
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case MONITOR: |
339 |
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done = monitor(&imsg); |
340 |
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break; |
341 |
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default: |
342 |
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break; |
343 |
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} |
344 |
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imsg_free(&imsg); |
345 |
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} |
346 |
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} |
347 |
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close(ctl_sock); |
348 |
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free(ibuf); |
349 |
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|
350 |
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return (0); |
351 |
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} |
352 |
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|
353 |
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struct imsgname * |
354 |
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monitor_lookup(uint8_t type) |
355 |
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{ |
356 |
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int i; |
357 |
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|
358 |
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for (i = 0; imsgs[i].name != NULL; i++) |
359 |
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if (imsgs[i].type == type) |
360 |
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return (&imsgs[i]); |
361 |
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return (&imsgunknown); |
362 |
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} |
363 |
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|
364 |
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int |
365 |
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monitor(struct imsg *imsg) |
366 |
|
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{ |
367 |
|
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time_t now; |
368 |
|
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int done = 0; |
369 |
|
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struct imsgname *imn; |
370 |
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|
371 |
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now = time(NULL); |
372 |
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|
373 |
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imn = monitor_lookup(imsg->hdr.type); |
374 |
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printf("%s: imsg type %u len %u peerid %u pid %d\n", imn->name, |
375 |
|
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imsg->hdr.type, imsg->hdr.len, imsg->hdr.peerid, imsg->hdr.pid); |
376 |
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printf("\ttimestamp: %lld, %s", (long long)now, ctime(&now)); |
377 |
|
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if (imn->type == -1) |
378 |
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done = 1; |
379 |
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if (imn->func != NULL) |
380 |
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(*imn->func)(imsg); |
381 |
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|
382 |
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return (done); |
383 |
|
|
} |