2 * Command-line utility to transmit a server command.
4 * Copyright (c) 1987-2010 by the citadel.org team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "ctdl_module.h"
25 #include <sys/types.h>
32 #if TIME_WITH_SYS_TIME
33 # include <sys/time.h>
37 # include <sys/time.h>
46 #include <libcitadel.h>
48 #include "citadel_ipc.h"
52 static CtdlIPC *ipc = NULL;
55 * Why both cleanup() and nq_cleanup() ? Notice the alarm() call in
56 * cleanup() . If for some reason sendcommand hangs waiting for the server
57 * to clean up, the alarm clock goes off and the program exits anyway.
58 * The cleanup() routine makes a check to ensure it's not reentering, in
59 * case the ipc module looped it somehow.
61 void nq_cleanup(int e)
64 fprintf(stderr, "\nWatch dog time out.\n");
69 * send binary to server
71 void serv_write(CtdlIPC *ipc, const char *buf, unsigned int nbytes)
73 unsigned int bytes_written = 0;
76 #if defined(HAVE_OPENSSL)
78 serv_write_ssl(ipc, buf, nbytes);
83 while (bytes_written < nbytes) {
84 retval = write(ipc->sock, &buf[bytes_written],
85 nbytes - bytes_written);
87 connection_died(ipc, 0);
90 bytes_written += retval;
97 static int nested = 0;
100 signal(SIGALRM, nq_cleanup);
103 serv_write(ipc, "\n", 1);
104 if ((nested++ < 1) &&
112 * This is implemented as a function rather than as a macro because the
113 * client-side IPC modules expect logoff() to be defined. They call logoff()
114 * when a problem connecting or staying connected to the server occurs.
122 * Connect sendcommand to the Citadel server running on this computer.
124 void np_attach_to_server(char *host, char *port)
127 char hostbuf[256], portbuf[256];
129 {"sendcommand", NULL};
132 fprintf(stderr, "Attaching to server...\n");
133 strcpy(hostbuf, host);
134 strcpy(portbuf, port);
135 ipc = CtdlIPC_new(1, args, hostbuf, portbuf);
137 fprintf(stderr, "Can't connect: %s\n", strerror(errno));
140 CtdlIPC_chat_recv(ipc, buf);
141 fprintf(stderr, "%s\n", &buf[4]);
142 snprintf(buf, sizeof buf, "IPGM %d", config.c_ipgm_secret);
143 r = CtdlIPCInternalProgram(ipc, config.c_ipgm_secret, buf);
144 fprintf(stderr, "%s\n", buf);
151 void sendcommand_die(void) {
157 int main(int argc, char **argv)
166 char relhome[PATH_MAX]="";
167 char ctdldir[PATH_MAX]=CTDLDIR;
171 int server_shutting_down = 0;
173 strcpy(ctdl_home_directory, DEFAULT_PORT);
177 * Change directories if specified
179 for (a = 1; a < argc; ++a) {
180 if (!strncmp(argv[a], "-h", 2)) {
181 relh=argv[a][2]!='/';
182 if (!relh) safestrncpy(ctdl_home_directory, &argv[a][2],
183 sizeof ctdl_home_directory);
185 safestrncpy(relhome, &argv[a][2],
188 } else if (!strncmp(argv[a], "-w", 2)) {
189 watchdog = atoi(&argv[a][2]);
193 if (!IsEmptyStr(cmd))
195 strcat(cmd, argv[a]);
199 calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
202 signal(SIGINT, cleanup);
203 signal(SIGQUIT, cleanup);
204 signal(SIGHUP, cleanup);
205 signal(SIGTERM, cleanup);
207 fprintf(stderr, "sendcommand: started (pid=%d) "
210 ctdl_home_directory);
214 signal(SIGALRM, nq_cleanup); /* Set up a watchdog type timer in case we hang */
216 np_attach_to_server(UDS, ctdl_home_directory);
218 setIPCDeathHook(sendcommand_die);
220 fprintf(stderr, "%s\n", cmd);
221 CtdlIPC_chat_send(ipc, cmd);
222 CtdlIPC_chat_recv(ipc, buf);
223 fprintf(stderr, "%s\n", buf);
228 if (!strncasecmp(&buf[1], "31", 2)) {
229 server_shutting_down = 1;
233 while (CtdlIPC_chat_recv(ipc, buf), strcmp(buf, "000")) {
235 alarm(watchdog); /* Kick the watchdog timer */
237 } else if (buf[0] == '4') {
239 if (fgets(buf, sizeof buf, stdin) == NULL)
241 if (!IsEmptyStr(buf))
242 if (buf[strlen(buf) - 1] == '\n')
243 buf[strlen(buf) - 1] = 0;
244 if (!IsEmptyStr(buf))
245 if (buf[strlen(buf) - 1] == '\r')
246 buf[strlen(buf) - 1] = 0;
247 if (strcmp(buf, "000"))
248 CtdlIPC_chat_send(ipc, buf);
251 FD_SET(ipc->sock, &read_fd);
252 ret = select(ipc->sock+1, &read_fd, NULL, NULL, &tv);
254 if (!(errno == EINTR || errno == EAGAIN))
255 fprintf(stderr, "select() failed: %s", strerror(errno));
264 n = read(ipc->sock, rbuf, SIZ);
267 fprintf(stderr, "%s", rbuf);
271 alarm(watchdog); /* Kick the watchdog timer */
272 } while (strcmp(buf, "000"));
273 CtdlIPC_chat_send(ipc, "\n");
274 CtdlIPC_chat_send(ipc, "000");
276 alarm(0); /* Shutdown the watchdog timer */
277 fprintf(stderr, "sendcommand: processing ended.\n");
279 /* Clean up and log off ... unless the server indicated that the command
280 * we sent is shutting it down, in which case we want to just cut the
281 * connection and exit.
283 if (server_shutting_down) {
295 void stty_ctdl(int cmd) {