-static int rsync_module(int fd, int i)
-{
- int argc=0;
- char *argv[MAX_ARGS];
- char **argp;
- char line[1024];
-
- module_id = i;
-
- if (lp_read_only(i))
- read_only = 1;
-
- rprintf(FERROR,"rsyncd starting\n");
-
- if (chroot(lp_path(i))) {
- io_printf(fd,"ERROR: chroot failed\n");
- return -1;
- }
-
- if (chdir("/")) {
- io_printf(fd,"ERROR: chdir failed\n");
- return -1;
- }
-
- if (setgid(lp_gid(i))) {
- io_printf(fd,"ERROR: setgid failed\n");
- return -1;
- }
-
- if (setuid(lp_uid(i))) {
- io_printf(fd,"ERROR: setuid failed\n");
- return -1;
- }
-
- io_printf(fd,"RSYNCD: OK\n");
-
- argv[argc++] = "rsyncd";
-
- while (1) {
- if (!read_line(fd, line, sizeof(line)-1)) {
- return -1;
- }
-
- if (!*line) break;
-
- argv[argc] = strdup(line);
- if (!argv[argc]) {
- return -1;
- }
-
- argc++;
- if (argc == MAX_ARGS) {
- return -1;
- }
- }
-
- parse_arguments(argc, argv);
-
- /* don't allow the logs to be flooded too fast */
- if (verbose > 1) verbose = 1;
-
- argc -= optind;
- argp = argv + optind;
- optind = 0;
-
- start_server(fd, fd, argc, argp);
-
- return 0;
-}
-
-static void send_listing(int fd)
-{
- int n = lp_numservices();
- int i;
-
- for (i=0;i<n;i++)
- if (lp_list(i))
- io_printf(fd, "%-15s\t%s\n", lp_name(i), lp_comment(i));
-}
-
-/* this is called when a socket connection is established to a client
- and we want to start talking. The setup of the system is done from
- here */
-static int start_daemon(int fd)
-{
- char line[1024];
- char *motd;
-
- set_socket_options(fd,"SO_KEEPALIVE");
-
- io_printf(fd,"RSYNCD %d\n", PROTOCOL_VERSION);
-
- motd = lp_motd_file();
- if (*motd) {
- FILE *f = fopen(motd,"r");
- while (f && !feof(f)) {
- int len = fread(line, 1, sizeof(line)-1, f);
- if (len > 0) {
- line[len] = 0;
- io_printf(fd,"%s", line);
- }
- }
- if (f) fclose(f);
- io_printf(fd,"\n");
- }
-
- /* read a single line indicating the resource that is wanted */
- while (1) {
- int i;
-
- line[0] = 0;
- if (!read_line(fd, line, sizeof(line)-1)) {
- return -1;
- }
-
- if (!*line || strcmp(line,"#list")==0) {
- send_listing(fd);
- return -1;
- }
-
- if (*line == '#') {
- /* it's some sort of command that I don't understand */
- io_printf(fd,"ERROR: Unknown command '%s'\n", line);
- return -1;
- }
-
- i = lp_number(line);
- if (i == -1) {
- io_printf(fd,"ERROR: Unknown module '%s'\n", line);
- return -1;
- }
-
- return rsync_module(fd, i);
- }
-
- return 0;
-}
-
-
-static int daemon_main(void)
-{
- if (!lp_load(RSYNCD_CONF)) {
- exit_cleanup(1);
- }
-
- if (is_a_socket(STDIN_FILENO)) {
- /* we are running via inetd */
- return start_daemon(STDIN_FILENO);
- }
-
- become_daemon();
-
- return start_accept_loop(port, start_daemon);
-}
-