--- /dev/null
+/*
+ Copyright (C) Andrew Tridgell 1998
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* the socket based protocol for setting up a connection wit rsyncd */
+
+#include "rsync.h"
+
+extern int module_id;
+extern int read_only;
+extern int verbose;
+extern int rsync_port;
+
+int start_socket_client(char *host, char *path, int argc, char *argv[])
+{
+ int fd, i;
+ char *sargs[MAX_ARGS];
+ int sargc=0;
+ char line[1024];
+ char *p;
+ int version;
+
+ fd = open_socket_out(host, rsync_port);
+ if (fd == -1) {
+ exit_cleanup(1);
+ }
+
+ server_options(sargs,&sargc);
+
+ sargs[sargc++] = ".";
+
+ if (path && *path)
+ sargs[sargc++] = path;
+
+ sargs[sargc] = NULL;
+
+ p = strchr(path,'/');
+ if (p) *p = 0;
+ io_printf(fd,"%s\n",path);
+ if (p) *p = '/';
+
+ if (!read_line(fd, line, sizeof(line)-1)) {
+ return -1;
+ }
+
+ if (sscanf(line,"@RSYNCD: %d", &version) != 1) {
+ return -1;
+ }
+
+ while (1) {
+ if (!read_line(fd, line, sizeof(line)-1)) {
+ return -1;
+ }
+ if (strcmp(line,"@RSYNCD: OK") == 0) break;
+ rprintf(FINFO,"%s\n", line);
+ }
+
+ for (i=0;i<sargc;i++) {
+ io_printf(fd,"%s\n", sargs[i]);
+ }
+ io_printf(fd,"\n");
+
+#if 0
+ while (1) {
+ if (!read_line(fd, line, sizeof(line)-1)) {
+ return -1;
+ }
+ rprintf(FINFO,"%s\n", line);
+ }
+#endif
+
+ return client_run(fd, fd, -1, argc, argv);
+}
+
+
+
+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;
+}
+
+
+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(rsync_port, start_daemon);
+}
+
int io_timeout = 0;
int io_error = 0;
int read_only = 0;
-static int module_id;
+int module_id = -1;
-static int port = RSYNC_PORT;
+int rsync_port = RSYNC_PORT;
static char *shell_cmd;
}
-static void server_options(char **args,int *argc)
+void server_options(char **args,int *argc)
{
int ac = *argc;
static char argstr[50];
exit_cleanup(0);
}
-static int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
+int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
{
struct file_list *flist;
int status = 0, status2 = 0;
}
-int start_socket_client(char *host, char *path, int argc, char *argv[])
-{
- int fd, i;
- char *sargs[MAX_ARGS];
- int sargc=0;
- char line[1024];
- char *p;
- int version;
-
- fd = open_socket_out(host, port);
- if (fd == -1) {
- exit_cleanup(1);
- }
-
- server_options(sargs,&sargc);
-
- sargs[sargc++] = ".";
-
- if (path && *path)
- sargs[sargc++] = path;
-
- sargs[sargc] = NULL;
-
- p = strchr(path,'/');
- if (p) *p = 0;
- io_printf(fd,"%s\n",path);
- if (p) *p = '/';
-
- if (!read_line(fd, line, sizeof(line)-1)) {
- return -1;
- }
-
- if (sscanf(line,"RSYNCD %d", &version) != 1) {
- return -1;
- }
-
- while (1) {
- if (!read_line(fd, line, sizeof(line)-1)) {
- return -1;
- }
- if (strcmp(line,"RSYNCD: OK") == 0) break;
- rprintf(FINFO,"%s\n", line);
- }
-
- for (i=0;i<sargc;i++) {
- io_printf(fd,"%s\n", sargs[i]);
- }
- io_printf(fd,"\n");
-
-#if 0
- while (1) {
- if (!read_line(fd, line, sizeof(line)-1)) {
- return -1;
- }
- rprintf(FINFO,"%s\n", line);
- }
-#endif
-
- return client_run(fd, fd, -1, argc, argv);
-}
-
int start_client(int argc, char *argv[])
{
char *p;
*p = 0;
return start_socket_client(argv[0], p+2, argc-1, argv+1);
}
+
+ if (argc < 2) {
+ usage(FERROR);
+ exit_cleanup(1);
+ }
+
am_sender = 0;
*p = 0;
shell_machine = argv[0];
*p = 0;
return start_socket_client(argv[argc-1], p+2, argc-1, argv);
}
+
+ if (argc < 2) {
+ usage(FERROR);
+ exit_cleanup(1);
+ }
if (local_server) {
shell_machine = NULL;
}
-static void parse_arguments(int argc, char *argv[])
+void parse_arguments(int argc, char *argv[])
{
int opt;
int option_index;
}
}
-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);
-}
-
int main(int argc,char *argv[])
{
start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
}
- if (argc < 2) {
- usage(FERROR);
- exit_cleanup(1);
- }
-
return start_client(argc, argv);
}
Matt McCutchen's Web Site / rsync / rsync.git / commitdiff