--- /dev/null
+/*
+ * Command-line utility to transmit a server command.
+ *
+ * Copyright (c) 1987-2021 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <signal.h>
+#include <errno.h>
+#include <limits.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include "citadel.h"
+#include "citadel_dirs.h"
+#include <libcitadel.h>
+
+int serv_sock = (-1);
+
+int uds_connectsock(char *sockpath) {
+ int s;
+ struct sockaddr_un addr;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ strncpy(addr.sun_path, sockpath, sizeof addr.sun_path);
+
+ s = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (s < 0) {
+ fprintf(stderr, "sendcommand: Can't create socket: %s\n", strerror(errno));
+ exit(3);
+ }
+
+ if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ fprintf(stderr, "sendcommand: can't connect: %s\n", strerror(errno));
+ close(s);
+ exit(3);
+ }
+
+ return s;
+}
+
+
+/*
+ * input binary data from socket
+ */
+void serv_read(char *buf, int bytes) {
+ int len, rlen;
+
+ len = 0;
+ while (len < bytes) {
+ rlen = read(serv_sock, &buf[len], bytes - len);
+ if (rlen < 1) {
+ return;
+ }
+ len = len + rlen;
+ }
+}
+
+
+/*
+ * send binary to server
+ */
+void serv_write(char *buf, int nbytes) {
+ int bytes_written = 0;
+ int retval;
+ while (bytes_written < nbytes) {
+ retval = write(serv_sock, &buf[bytes_written], nbytes - bytes_written);
+ if (retval < 1) {
+ return;
+ }
+ bytes_written = bytes_written + retval;
+ }
+}
+
+
+/*
+ * input string from socket - implemented in terms of serv_read()
+ */
+void serv_gets(char *buf) {
+ int i;
+
+ /* Read one character at a time.
+ */
+ for (i = 0;; i++) {
+ serv_read(&buf[i], 1);
+ if (buf[i] == '\n' || i == (SIZ-1))
+ break;
+ }
+
+ /* If we got a long line, discard characters until the newline.
+ */
+ if (i == (SIZ-1)) {
+ while (buf[i] != '\n') {
+ serv_read(&buf[i], 1);
+ }
+ }
+
+ /* Strip all trailing nonprintables (crlf)
+ */
+ buf[i] = 0;
+}
+
+
+/*
+ * send line to server - implemented in terms of serv_write()
+ */
+void serv_puts(char *buf) {
+ serv_write(buf, strlen(buf));
+ serv_write("\n", 1);
+}
+
+
+/*
+ * Main loop. Do things and have fun.
+ */
+int main(int argc, char **argv) {
+ int a;
+ int watchdog = 60;
+ char buf[SIZ];
+ int xfermode = 0;
+ char ctdldir[PATH_MAX]=CTDLDIR;
+
+ /* Parse command line */
+ while ((a = getopt(argc, argv, "h:w:")) != EOF) {
+ switch (a) {
+ case 'h':
+ strncpy(ctdldir, optarg, sizeof ctdldir);
+ break;
+ case 'w':
+ watchdog = atoi(optarg);
+ break;
+ default:
+ fprintf(stderr, "sendcommand: usage: sendcommand [-h server_dir] [-w watchdog_timeout]\n");
+ return(1);
+ }
+ }
+
+ fprintf(stderr, "sendcommand: started (pid=%d) connecting to Citadel server with data directory %s\n",
+ (int) getpid(),
+ ctdldir
+ );
+ fflush(stderr);
+
+ if (chdir(ctdldir) != 0) {
+ fprintf(stderr, "sendcommand: %s: %s\n", ctdldir, strerror(errno));
+ exit(errno);
+ }
+
+ alarm(watchdog);
+ serv_sock = uds_connectsock(file_citadel_admin_socket);
+ serv_gets(buf);
+ fprintf(stderr, "%s\n", buf);
+
+ strcpy(buf, "");
+ for (a=optind; a<argc; ++a) {
+ if (a != optind) {
+ strcat(buf, " ");
+ }
+ strcat(buf, argv[a]);
+ }
+
+ fprintf(stderr, "%s\n", buf);
+ serv_puts(buf);
+ serv_gets(buf);
+ fprintf(stderr, "%s\n", buf);
+
+ xfermode = buf[0];
+
+ if ((xfermode == '4') || (xfermode == '8')) { /* send text */
+ while (fgets(buf, sizeof buf, stdin) > 0) {
+ if (buf[strlen(buf)-1] == '\n') {
+ buf[strlen(buf)-1] = 0;
+ }
+ serv_puts(buf);
+ }
+ serv_puts("000");
+ }
+
+ if ((xfermode == '1') || (xfermode == '8')) { /* receive text */
+ while(serv_gets(buf), strcmp(buf, "000")) {
+ printf("%s\n", buf);
+ }
+ }
+
+ if (xfermode == '6') { /* receive binary */
+ size_t len = atoi(&buf[4]);
+ size_t bytes_remaining = len;
+
+ while (bytes_remaining > 0) {
+ size_t this_block = bytes_remaining;
+ if (this_block > SIZ) this_block = SIZ;
+ serv_read(buf, this_block);
+ fwrite(buf, this_block, 1, stdout);
+ bytes_remaining -= this_block;
+ }
+ }
+
+ close(serv_sock);
+ alarm(0); /* cancel the watchdog timer */
+
+ fprintf(stderr, "sendcommand: processing ended.\n");
+ if (xfermode == '5') {
+ return(1);
+ }
+ return(0);
+}
projects / citadel.git / blobdiff