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Diffstat (limited to 'keyexchange/isakmpd-20041012/ui.c')
-rw-r--r--keyexchange/isakmpd-20041012/ui.c528
1 files changed, 0 insertions, 528 deletions
diff --git a/keyexchange/isakmpd-20041012/ui.c b/keyexchange/isakmpd-20041012/ui.c
deleted file mode 100644
index 7167873..0000000
--- a/keyexchange/isakmpd-20041012/ui.c
+++ /dev/null
@@ -1,528 +0,0 @@
-/* $OpenBSD: ui.c,v 1.42 2004/08/08 19:11:06 deraadt Exp $ */
-/* $EOM: ui.c,v 1.43 2000/10/05 09:25:12 niklas Exp $ */
-
-/*
- * Copyright (c) 1998, 1999, 2000 Niklas Hallqvist. All rights reserved.
- * Copyright (c) 1999, 2000, 2001, 2002 Håkan Olsson. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * This code was written under funding by Ericsson Radio Systems.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include "sysdep.h"
-
-#include "conf.h"
-#include "connection.h"
-#include "doi.h"
-#include "exchange.h"
-#include "init.h"
-#include "isakmp.h"
-#include "log.h"
-#include "monitor.h"
-#include "sa.h"
-#include "timer.h"
-#include "transport.h"
-#include "ui.h"
-#include "util.h"
-
-#define BUF_SZ 256
-
-/* from isakmpd.c */
-void daemon_shutdown_now(int);
-
-/* Report all SA configuration information. */
-void ui_report_sa(char *);
-
-static FILE *ui_open_result(void);
-
-char *ui_fifo = FIFO;
-int ui_socket;
-struct event *ui_cr_event = NULL;
-
-/* Create and open the FIFO used for user control. */
-void
-ui_init(void)
-{
- struct stat st;
-
- /* -f- means control messages comes in via stdin. */
- if (strcmp(ui_fifo, "-") == 0) {
- ui_socket = 0;
- return;
- }
-
- /* Don't overwrite a file, i.e '-f /etc/isakmpd/isakmpd.conf'. */
- if (lstat(ui_fifo, &st) == 0) {
- if ((st.st_mode & S_IFMT) == S_IFREG) {
- errno = EEXIST;
- log_fatal("ui_init: could not create FIFO \"%s\"",
- ui_fifo);
- }
- }
-
- /* No need to know about errors. */
- unlink(ui_fifo);
- if (mkfifo(ui_fifo, 0600) == -1)
- log_fatal("ui_init: mkfifo (\"%s\", 0600) failed", ui_fifo);
-
- ui_socket = open(ui_fifo, O_RDWR | O_NONBLOCK, 0);
- if (ui_socket == -1)
- log_fatal("ui_init: open (\"%s\", O_RDWR | O_NONBLOCK, 0) "
- "failed", ui_fifo);
-}
-
-/*
- * Setup a phase 2 connection.
- * XXX Maybe phase 1 works too, but teardown won't work then, fix?
- */
-static void
-ui_connect(char *cmd)
-{
- char name[81];
-
- if (sscanf(cmd, "c %80s", name) != 1) {
- log_print("ui_connect: command \"%s\" malformed", cmd);
- return;
- }
- LOG_DBG((LOG_UI, 10, "ui_connect: setup connection \"%s\"", name));
- connection_setup(name);
-}
-
-/* Tear down a phase 2 connection. */
-static void
-ui_teardown(char *cmd)
-{
- char name[81];
- struct sa *sa;
-
- if (sscanf(cmd, "t %80s", name) != 1) {
- log_print("ui_teardown: command \"%s\" malformed", cmd);
- return;
- }
- LOG_DBG((LOG_UI, 10, "ui_teardown: teardown connection \"%s\"", name));
- connection_teardown(name);
- while ((sa = sa_lookup_by_name(name, 2)) != 0)
- sa_delete(sa, 1);
-}
-
-/* Tear down all phase 2 connections. */
-static void
-ui_teardown_all(char *cmd)
-{
- /* Skip 'cmd' as arg. */
- sa_teardown_all();
-}
-
-static void
-ui_conn_reinit_event(void *v)
-{
- /*
- * This event is required for isakmpd to reinitialize the connection
- * and passive-connection lists. Otherwise a change to the
- * "[Phase 2]:Connections" tag will not have any effect.
- */
- connection_reinit();
-
- ui_cr_event = NULL;
-}
-
-static void
-ui_conn_reinit(void)
-{
- struct timeval tv;
-
- if (ui_cr_event)
- timer_remove_event(ui_cr_event);
-
- gettimeofday(&tv, 0);
- tv.tv_sec += 5;
-
- ui_cr_event = timer_add_event("ui_conn_reinit", ui_conn_reinit_event,
- 0, &tv);
- if (!ui_cr_event)
- log_print("ui_conn_reinit: timer_add_event() failed. "
- "Connections will not be updated.");
-}
-
-/*
- * Call the configuration API.
- * XXX Error handling! How to do multi-line transactions? Too short arbitrary
- * limit on the parameters?
- */
-static void
-ui_config(char *cmd)
-{
- char subcmd[81], section[81], tag[81], value[81], tmp[81];
- char *v, *nv;
- int trans = 0, items, nvlen;
- FILE *fd;
-
- if (sscanf(cmd, "C %80s", subcmd) != 1)
- goto fail;
-
- if (strcasecmp(subcmd, "get") == 0) {
- if (sscanf(cmd, "C %*s [%80[^]]]:%80s", section, tag) != 2)
- goto fail;
- v = conf_get_str(section, tag);
- fd = ui_open_result();
- if (fd) {
- if (v)
- fprintf(fd, "%s\n", v);
- fclose(fd);
- }
- LOG_DBG((LOG_UI, 30, "ui_config: \"%s\"", cmd));
- return;
- }
-
- trans = conf_begin();
- if (strcasecmp(subcmd, "set") == 0) {
- items = sscanf(cmd, "C %*s [%80[^]]]:%80[^=]=%80s %80s",
- section, tag, value, tmp);
- if (!(items == 3 || items == 4))
- goto fail;
- conf_set(trans, section, tag, value, items == 4 ? 1 : 0, 0);
- if (strcasecmp(section, "Phase 2") == 0 &&
- (strcasecmp(tag, "Connections") == 0 ||
- strcasecmp(tag, "Passive-connections") == 0))
- ui_conn_reinit();
- } else if (strcasecmp(subcmd, "add") == 0) {
- items = sscanf(cmd, "C %*s [%80[^]]]:%80[^=]=%80s %80s",
- section, tag, value, tmp);
- if (!(items == 3 || items == 4))
- goto fail;
- v = conf_get_str(section, tag);
- if (!v)
- conf_set(trans, section, tag, value, 1, 0);
- else {
- /* Add the new value to the end of the 'v' list. */
- nvlen = strlen(v) + strlen(value) + 2;
- nv = (char *)malloc(nvlen);
- if (!nv) {
- log_error("ui_config: malloc(%d) failed",
- nvlen);
- if (trans)
- conf_end(trans, 0);
- return;
- }
- snprintf(nv, nvlen,
- v[strlen(v) - 1] == ',' ? "%s%s" : "%s,%s", v,
- value);
- conf_set(trans, section, tag, nv, 1, 0);
- free(nv);
- }
- if (strcasecmp(section, "Phase 2") == 0 &&
- (strcasecmp(tag, "Connections") == 0 ||
- strcasecmp(tag, "Passive-connections") == 0))
- ui_conn_reinit();
- } else if (strcasecmp(subcmd, "rm") == 0) {
- if (sscanf(cmd, "C %*s [%80[^]]]:%80s", section, tag) != 2)
- goto fail;
- conf_remove(trans, section, tag);
- } else if (strcasecmp(subcmd, "rms") == 0) {
- if (sscanf(cmd, "C %*s [%80[^]]]", section) != 1)
- goto fail;
- conf_remove_section(trans, section);
- } else
- goto fail;
-
- LOG_DBG((LOG_UI, 30, "ui_config: \"%s\"", cmd));
- conf_end(trans, 1);
- return;
-
-fail:
- if (trans)
- conf_end(trans, 0);
- log_print("ui_config: command \"%s\" malformed", cmd);
-}
-
-static void
-ui_delete(char *cmd)
-{
- char cookies_str[ISAKMP_HDR_COOKIES_LEN * 2 + 1];
- char message_id_str[ISAKMP_HDR_MESSAGE_ID_LEN * 2 + 1];
- u_int8_t cookies[ISAKMP_HDR_COOKIES_LEN];
- u_int8_t message_id_buf[ISAKMP_HDR_MESSAGE_ID_LEN];
- u_int8_t *message_id = message_id_buf;
- struct sa *sa;
-
- if (sscanf(cmd, "d %32s %8s", cookies_str, message_id_str) != 2) {
- log_print("ui_delete: command \"%s\" malformed", cmd);
- return;
- }
- if (strcmp(message_id_str, "-") == 0)
- message_id = 0;
-
- if (hex2raw(cookies_str, cookies, ISAKMP_HDR_COOKIES_LEN) == -1 ||
- (message_id && hex2raw(message_id_str, message_id_buf,
- ISAKMP_HDR_MESSAGE_ID_LEN) == -1)) {
- log_print("ui_delete: command \"%s\" has bad arguments", cmd);
- return;
- }
- sa = sa_lookup(cookies, message_id);
- if (!sa) {
- log_print("ui_delete: command \"%s\" found no SA", cmd);
- return;
- }
- LOG_DBG((LOG_UI, 20,
- "ui_delete: deleting SA for cookie \"%s\" msgid \"%s\"",
- cookies_str, message_id_str));
- sa_delete(sa, 1);
-}
-
-#ifdef USE_DEBUG
-/* Parse the debug command found in CMD. */
-static void
-ui_debug(char *cmd)
-{
- int cls, level;
- char subcmd[3];
-
- if (sscanf(cmd, "D %d %d", &cls, &level) == 2) {
- log_debug_cmd(cls, level);
- return;
- } else if (sscanf(cmd, "D %2s %d", subcmd, &level) == 2) {
- switch (subcmd[0]) {
- case 'A':
- for (cls = 0; cls < LOG_ENDCLASS; cls++)
- log_debug_cmd(cls, level);
- return;
- }
- } else if (sscanf(cmd, "D %2s", subcmd) == 1) {
- switch (subcmd[0]) {
- case 'T':
- log_debug_toggle();
- return;
- }
- }
- log_print("ui_debug: command \"%s\" malformed", cmd);
- return;
-}
-
-static void
-ui_packetlog(char *cmd)
-{
- char subcmd[81];
-
- if (sscanf(cmd, "p %80s", subcmd) != 1)
- goto fail;
-
- if (strncasecmp(subcmd, "on=", 3) == 0) {
- /* Start capture to a new file. */
- if (subcmd[strlen(subcmd) - 1] == '\n')
- subcmd[strlen(subcmd) - 1] = 0;
- log_packet_restart(subcmd + 3);
- } else if (strcasecmp(subcmd, "on") == 0)
- log_packet_restart(NULL);
- else if (strcasecmp(subcmd, "off") == 0)
- log_packet_stop();
- return;
-
-fail:
- log_print("ui_packetlog: command \"%s\" malformed", cmd);
-}
-#endif /* USE_DEBUG */
-
-static void
-ui_shutdown_daemon(char *cmd)
-{
- if (strlen(cmd) == 1) {
- log_print("ui_shutdown_daemon: received shutdown command");
- daemon_shutdown_now(0);
- } else
- log_print("ui_shutdown_daemon: command \"%s\" malformed", cmd);
-}
-
-/* Report SAs and ongoing exchanges. */
-void
-ui_report(char *cmd)
-{
- /* XXX Skip 'cmd' as arg? */
- sa_report();
- exchange_report();
- transport_report();
- connection_report();
- timer_report();
- conf_report();
-}
-
-/* Report all SA configuration information. */
-void
-ui_report_sa(char *cmd)
-{
- /* Skip 'cmd' as arg? */
-
- FILE *fd = ui_open_result();
- if (!fd)
- return;
-
- sa_report_all(fd);
-
- fclose(fd);
-}
-
-/*
- * Call the relevant command handler based on the first character of the
- * line (the command).
- */
-static void
-ui_handle_command(char *line)
-{
- /* Find out what one-letter command was sent. */
- switch (line[0]) {
- case 'c':
- ui_connect(line);
- break;
-
- case 'C':
- ui_config(line);
- break;
-
- case 'd':
- ui_delete(line);
- break;
-
-#ifdef USE_DEBUG
- case 'D':
- ui_debug(line);
- break;
-
- case 'p':
- ui_packetlog(line);
- break;
-#endif
-
- case 'Q':
- ui_shutdown_daemon(line);
- break;
-
- case 'R':
- reinit();
- break;
-
- case 'S':
- ui_report_sa(line);
- break;
-
- case 'r':
- ui_report(line);
- break;
-
- case 't':
- ui_teardown(line);
- break;
-
- case 'T':
- ui_teardown_all(line);
- break;
-
- default:
- log_print("ui_handle_messages: unrecognized command: '%c'",
- line[0]);
- }
-}
-
-/*
- * A half-complex implementation of reading from a file descriptor
- * line by line without resorting to stdio which apparently have
- * troubles with non-blocking fifos.
- */
-void
-ui_handler(void)
-{
- static char *buf = 0;
- static char *p;
- static size_t sz;
- static size_t resid;
- ssize_t n;
- char *new_buf;
-
- /* If no buffer, set it up. */
- if (!buf) {
- sz = BUF_SZ;
- buf = malloc(sz);
- if (!buf) {
- log_print("ui_handler: malloc (%lu) failed",
- (unsigned long)sz);
- return;
- }
- p = buf;
- resid = sz;
- }
- /* If no place left in the buffer reallocate twice as large. */
- if (!resid) {
- new_buf = realloc(buf, sz * 2);
- if (!new_buf) {
- log_print("ui_handler: realloc (%p, %lu) failed", buf,
- (unsigned long)sz * 2);
- free(buf);
- buf = 0;
- return;
- }
- buf = new_buf;
- p = buf + sz;
- resid = sz;
- sz *= 2;
- }
- n = read(ui_socket, p, resid);
- if (n == -1) {
- log_error("ui_handler: read (%d, %p, %lu)", ui_socket, p,
- (unsigned long)resid);
- return;
- }
- if (!n)
- return;
- resid -= n;
- while (n--) {
- /*
- * When we find a newline, cut off the line and feed it to the
- * command processor. Then move the rest up-front.
- */
- if (*p == '\n') {
- *p = '\0';
- ui_handle_command(buf);
- memcpy(buf, p + 1, n);
- p = buf;
- resid = sz - n;
- continue;
- }
- p++;
- }
-}
-
-static FILE *
-ui_open_result(void)
-{
- FILE *fd = monitor_fopen(RESULT_FILE, "w");
- if (!fd)
- log_error("ui_open_result: fopen() failed");
- return fd;
-}
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