2 * $Id: sendcommand.c 5736 2007-11-10 23:12:19Z dothebart $
4 * Command-line utility to transmit a server command.
11 #include <sys/types.h>
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
32 #include <libcitadel.h>
34 #include "citadel_ipc.h"
38 #define LOCKFILE "/tmp/LCK.sendcommand"
40 static CtdlIPC *ipc = NULL;
43 * make sure only one copy of sendcommand runs at a time, using lock files
45 int set_lockfile(void)
50 if ((lfp = fopen(LOCKFILE, "r")) != NULL) {
51 fscanf(lfp, "%d", &onppid);
53 if (!kill(onppid, 0) || errno == EPERM)
56 lfp = fopen(LOCKFILE, "w");
57 fprintf(lfp, "%ld\n", (long) getpid());
62 void remove_lockfile(void)
68 * Why both cleanup() and nq_cleanup() ? Notice the alarm() call in
69 * cleanup() . If for some reason sendcommand hangs waiting for the server
70 * to clean up, the alarm clock goes off and the program exits anyway.
71 * The cleanup() routine makes a check to ensure it's not reentering, in
72 * case the ipc module looped it somehow.
74 void nq_cleanup(int e)
81 * send binary to server
83 void serv_write(CtdlIPC *ipc, const char *buf, unsigned int nbytes)
85 unsigned int bytes_written = 0;
88 #if defined(HAVE_OPENSSL)
90 serv_write_ssl(ipc, buf, nbytes);
95 while (bytes_written < nbytes) {
96 retval = write(ipc->sock, &buf[bytes_written],
97 nbytes - bytes_written);
99 connection_died(ipc, 0);
102 bytes_written += retval;
109 static int nested = 0;
112 signal(SIGALRM, nq_cleanup);
113 serv_write(ipc, "\n", 1);
120 * This is implemented as a function rather than as a macro because the
121 * client-side IPC modules expect logoff() to be defined. They call logoff()
122 * when a problem connecting or staying connected to the server occurs.
130 * Connect sendcommand to the Citadel server running on this computer.
132 void np_attach_to_server(char *host, char *port)
135 char hostbuf[256], portbuf[256];
137 {"sendcommand", NULL};
140 fprintf(stderr, "Attaching to server...\n");
141 strcpy(hostbuf, host);
142 strcpy(portbuf, port);
143 ipc = CtdlIPC_new(1, args, hostbuf, portbuf);
145 fprintf(stderr, "Can't connect: %s\n", strerror(errno));
148 CtdlIPC_chat_recv(ipc, buf);
149 fprintf(stderr, "%s\n", &buf[4]);
150 snprintf(buf, sizeof buf, "IPGM %d", config.c_ipgm_secret);
151 r = CtdlIPCInternalProgram(ipc, config.c_ipgm_secret, buf);
152 fprintf(stderr, "%s\n", buf);
159 void sendcommand_die(void) {
167 int main(int argc, char **argv)
176 char relhome[PATH_MAX]="";
177 char ctdldir[PATH_MAX]=CTDLDIR;
181 int server_shutting_down = 0;
182 struct ctdlipcroom *Room;
183 struct ctdlipcmessage *mret;
186 CtdlInitBase64Table();
188 strcpy(ctdl_home_directory, DEFAULT_PORT);
191 * Change directories if specified
193 for (a = 1; a < argc && n < 5; ++a) {
194 if (!strncmp(argv[a], "-h", 2)) {
195 relh=argv[a][2]!='/';
196 if (!relh) safestrncpy(ctdl_home_directory, &argv[a][2],
197 sizeof ctdl_home_directory);
199 safestrncpy(relhome, &argv[a][2],
205 strcpy(cmd[n++], argv[a]);
209 calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
212 signal(SIGINT, cleanup);
213 signal(SIGQUIT, cleanup);
214 signal(SIGHUP, cleanup);
215 signal(SIGTERM, cleanup);
217 fprintf(stderr, "sendcommand: started (pid=%d) "
220 ctdl_home_directory);
224 signal(SIGALRM, nq_cleanup); /* Set up a watchdog type timer in case we hang */
226 np_attach_to_server(UDS, ctdl_home_directory);
228 setIPCDeathHook(sendcommand_die);
230 fprintf(stderr, "GOTO %s\n", cmd[0]);
231 CtdlIPCGotoRoom(ipc, cmd[0], "", &Room, cret);
232 fprintf(stderr, "%s\n", cret);
233 CtdlIPCGetSingleMessage(ipc, atol(cmd[1]) ,atol(cmd[2]),4, &mret, cret);
234 fprintf(stderr, "%s\n", cret);
235 fprintf(stderr, "%s: %s\n", "path", mret->path);
236 fprintf(stderr, "%s: %s\n", "subject", mret->subject);
237 fprintf(stderr, "%s: %s\n", "email", mret->email);
240 CtdlIPC_chat_send(ipc, cmd[4]);
241 CtdlIPC_chat_recv(ipc, buf);
242 fprintf(stderr, "%s\n", buf);
247 if (!strncasecmp(&buf[1], "31", 2)) {
248 server_shutting_down = 1;
252 while (CtdlIPC_chat_recv(ipc, buf), strcmp(buf, "000")) {
254 alarm(5); /* Kick the watchdog timer */
256 } else if (buf[0] == '4') {
258 if (fgets(buf, sizeof buf, stdin) == NULL)
260 if (!IsEmptyStr(buf))
261 if (buf[strlen(buf) - 1] == '\n')
262 buf[strlen(buf) - 1] = 0;
263 if (!IsEmptyStr(buf))
264 if (buf[strlen(buf) - 1] == '\r')
265 buf[strlen(buf) - 1] = 0;
266 if (strcmp(buf, "000"))
267 CtdlIPC_chat_send(ipc, buf);
270 FD_SET(ipc->sock, &read_fd);
271 ret = select(ipc->sock+1, &read_fd, NULL, NULL, &tv);
274 printf("select failed: %d", err);
277 if (!(errno == EINTR || errno == EAGAIN))
278 printf("select failed: %d", err);
287 n = read(ipc->sock, rbuf, SIZ);
290 fprintf (stderr, rbuf);
294 alarm(5); /* Kick the watchdog timer */
295 } while (strcmp(buf, "000"));
296 CtdlIPC_chat_send(ipc, "\n");
297 CtdlIPC_chat_send(ipc, "000");
299 alarm(0); /* Shutdown the watchdog timer */
300 fprintf(stderr, "sendcommand: processing ended.\n");
302 /* Clean up and log off ... unless the server indicated that the command
303 * we sent is shutting it down, in which case we want to just cut the
304 * connection and exit.
306 if (server_shutting_down) {