int main(int argc, char *argv[]) { struct sockaddr_un sun; struct parse_result *res; struct imsg imsg; int ctl_sock; int done = 0; int n, verbose = 0; /* parse options */ if ((res = parse(argc - 1, argv + 1)) == NULL) exit(1); /* connect to relayd control socket */ if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) err(1, "socket"); bzero(&sun, sizeof(sun)); sun.sun_family = AF_UNIX; strlcpy(sun.sun_path, RELAYD_SOCKET, sizeof(sun.sun_path)); reconnect: if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) { /* Keep retrying if running in monitor mode */ if (res->action == MONITOR && (errno == ENOENT || errno == ECONNREFUSED)) { usleep(100); goto reconnect; } err(1, "connect: %s", RELAYD_SOCKET); } if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL) err(1, NULL); imsg_init(ibuf, ctl_sock); done = 0; /* process user request */ switch (res->action) { case NONE: usage(); /* not reached */ case SHOW_SUM: case SHOW_HOSTS: case SHOW_RDRS: case SHOW_RELAYS: case SHOW_ROUTERS: imsg_compose(ibuf, IMSG_CTL_SHOW_SUM, 0, 0, -1, NULL, 0); printf("%-4s\t%-8s\t%-24s\t%-7s\tStatus\n", "Id", "Type", "Name", "Avlblty"); break; case SHOW_SESSIONS: imsg_compose(ibuf, IMSG_CTL_SESSION, 0, 0, -1, NULL, 0); break; case RDR_ENABLE: imsg_compose(ibuf, IMSG_CTL_RDR_ENABLE, 0, 0, -1, &res->id, sizeof(res->id)); break; case RDR_DISABLE: imsg_compose(ibuf, IMSG_CTL_RDR_DISABLE, 0, 0, -1, &res->id, sizeof(res->id)); break; case TABLE_ENABLE: imsg_compose(ibuf, IMSG_CTL_TABLE_ENABLE, 0, 0, -1, &res->id, sizeof(res->id)); break; case TABLE_DISABLE: imsg_compose(ibuf, IMSG_CTL_TABLE_DISABLE, 0, 0, -1, &res->id, sizeof(res->id)); break; case HOST_ENABLE: imsg_compose(ibuf, IMSG_CTL_HOST_ENABLE, 0, 0, -1, &res->id, sizeof(res->id)); break; case HOST_DISABLE: imsg_compose(ibuf, IMSG_CTL_HOST_DISABLE, 0, 0, -1, &res->id, sizeof(res->id)); break; case SHUTDOWN: imsg_compose(ibuf, IMSG_CTL_SHUTDOWN, 0, 0, -1, NULL, 0); break; case POLL: imsg_compose(ibuf, IMSG_CTL_POLL, 0, 0, -1, NULL, 0); break; case LOAD: imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, res->path, strlen(res->path)); done = 1; break; case RELOAD: imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, NULL, 0); done = 1; break; case MONITOR: imsg_compose(ibuf, IMSG_CTL_NOTIFY, 0, 0, -1, NULL, 0); break; case LOG_VERBOSE: verbose = 2; /* FALLTHROUGH */ case LOG_BRIEF: imsg_compose(ibuf, IMSG_CTL_VERBOSE, 0, 0, -1, &verbose, sizeof(verbose)); printf("logging request sent.\n"); done = 1; break; } while (ibuf->w.queued) if (msgbuf_write(&ibuf->w) <= 0 && errno != EAGAIN) err(1, "write error"); while (!done) { if ((n = imsg_read(ibuf)) == -1) errx(1, "imsg_read error"); if (n == 0) errx(1, "pipe closed"); while (!done) { if ((n = imsg_get(ibuf, &imsg)) == -1) errx(1, "imsg_get error"); if (n == 0) break; switch (res->action) { case SHOW_SUM: case SHOW_HOSTS: case SHOW_RDRS: case SHOW_RELAYS: case SHOW_ROUTERS: done = show_summary_msg(&imsg, res->action); break; case SHOW_SESSIONS: done = show_session_msg(&imsg); break; case RDR_DISABLE: case RDR_ENABLE: case TABLE_DISABLE: case TABLE_ENABLE: case HOST_DISABLE: case HOST_ENABLE: case POLL: case SHUTDOWN: done = show_command_output(&imsg); break; case NONE: case LOG_VERBOSE: case LOG_BRIEF: case RELOAD: case LOAD: break; case MONITOR: done = monitor(&imsg); break; } imsg_free(&imsg); } } close(ctl_sock); free(ibuf); return (error ? 1 : 0); }
int main(int argc, char *argv[]) { struct sockaddr_un sun; struct parse_result *res = NULL; struct imsg imsg; struct smtpd smtpd; int ctl_sock; int done = 0; int n, verbose = 0; /* parse options */ if (strcmp(__progname, "sendmail") == 0 || strcmp(__progname, "send-mail") == 0) sendmail = 1; else if (strcmp(__progname, "mailq") == 0) { if (geteuid()) errx(1, "need root privileges"); setup_env(&smtpd); show_queue(0); return 0; } else if (strcmp(__progname, "smtpctl") == 0) { /* check for root privileges */ if (geteuid()) errx(1, "need root privileges"); setup_env(&smtpd); if ((res = parse(argc - 1, argv + 1)) == NULL) exit(1); /* handle "disconnected" commands */ switch (res->action) { case SHOW_QUEUE: show_queue(0); break; case SHOW_RUNQUEUE: break; default: goto connected; } return 0; } else errx(1, "unsupported mode"); connected: /* connect to smtpd control socket */ if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) err(1, "socket"); bzero(&sun, sizeof(sun)); sun.sun_family = AF_UNIX; strlcpy(sun.sun_path, SMTPD_SOCKET, sizeof(sun.sun_path)); if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) { if (sendmail) return enqueue_offline(argc, argv); err(1, "connect: %s", SMTPD_SOCKET); } if ((ibuf = calloc(1, sizeof(struct imsgbuf))) == NULL) err(1, NULL); imsg_init(ibuf, ctl_sock); if (sendmail) return enqueue(argc, argv); /* process user request */ switch (res->action) { case NONE: usage(); /* not reached */ case SCHEDULE: case REMOVE: { u_int64_t ulval; char *ep; errno = 0; ulval = strtoull(res->data, &ep, 16); if (res->data[0] == '\0' || *ep != '\0') errx(1, "invalid msgid/evpid"); if (errno == ERANGE && ulval == ULLONG_MAX) errx(1, "invalid msgid/evpid"); if (ulval == 0) errx(1, "invalid msgid/evpid"); if (res->action == SCHEDULE) imsg_compose(ibuf, IMSG_SCHEDULER_SCHEDULE, 0, 0, -1, &ulval, sizeof(ulval)); if (res->action == REMOVE) imsg_compose(ibuf, IMSG_SCHEDULER_REMOVE, 0, 0, -1, &ulval, sizeof(ulval)); break; } case SCHEDULE_ALL: { u_int64_t ulval = 0; imsg_compose(ibuf, IMSG_SCHEDULER_SCHEDULE, 0, 0, -1, &ulval, sizeof(ulval)); break; } case SHUTDOWN: imsg_compose(ibuf, IMSG_CTL_SHUTDOWN, 0, 0, -1, NULL, 0); break; case PAUSE_MDA: imsg_compose(ibuf, IMSG_QUEUE_PAUSE_MDA, 0, 0, -1, NULL, 0); break; case PAUSE_MTA: imsg_compose(ibuf, IMSG_QUEUE_PAUSE_MTA, 0, 0, -1, NULL, 0); break; case PAUSE_SMTP: imsg_compose(ibuf, IMSG_SMTP_PAUSE, 0, 0, -1, NULL, 0); break; case RESUME_MDA: imsg_compose(ibuf, IMSG_QUEUE_RESUME_MDA, 0, 0, -1, NULL, 0); break; case RESUME_MTA: imsg_compose(ibuf, IMSG_QUEUE_RESUME_MTA, 0, 0, -1, NULL, 0); break; case RESUME_SMTP: imsg_compose(ibuf, IMSG_SMTP_RESUME, 0, 0, -1, NULL, 0); break; case SHOW_STATS: imsg_compose(ibuf, IMSG_STATS, 0, 0, -1, NULL, 0); break; case MONITOR: /* XXX */ break; case LOG_VERBOSE: verbose = 1; /* FALLTHROUGH */ case LOG_BRIEF: imsg_compose(ibuf, IMSG_CTL_VERBOSE, 0, 0, -1, &verbose, sizeof(verbose)); printf("logging request sent.\n"); done = 1; break; default: errx(1, "unknown request (%d)", res->action); } while (ibuf->w.queued) if (msgbuf_write(&ibuf->w) < 0) err(1, "write error"); while (!done) { if ((n = imsg_read(ibuf)) == -1) errx(1, "imsg_read error"); if (n == 0) errx(1, "pipe closed"); while (!done) { if ((n = imsg_get(ibuf, &imsg)) == -1) errx(1, "imsg_get error"); if (n == 0) break; switch(res->action) { case REMOVE: case SCHEDULE: case SCHEDULE_ALL: case SHUTDOWN: case PAUSE_MDA: case PAUSE_MTA: case PAUSE_SMTP: case RESUME_MDA: case RESUME_MTA: case RESUME_SMTP: case LOG_VERBOSE: case LOG_BRIEF: done = show_command_output(&imsg); break; case SHOW_STATS: done = show_stats_output(&imsg); break; case NONE: break; case MONITOR: break; default: err(1, "unexpected reply (%d)", res->action); } /* insert imsg replies switch here */ imsg_free(&imsg); } } close(ctl_sock); free(ibuf); return (0); }