#include "rsync.h"
+extern int verbose;
+extern int list_only;
extern int am_sender;
extern int am_server;
extern int am_daemon;
extern int am_root;
-extern int module_id;
-extern int read_only;
-extern int verbose;
extern int rsync_port;
-extern int kludge_around_eof;
+extern int kluge_around_eof;
extern int daemon_over_rsh;
-extern int list_only;
extern int sanitize_paths;
extern int filesfrom_fd;
extern int remote_protocol;
extern int protocol_version;
extern int io_timeout;
-extern int select_timeout;
extern int orig_umask;
extern int no_detach;
extern int default_af_hint;
extern char *bind_address;
-extern struct exclude_list_struct server_exclude_list;
-extern char *exclude_path_prefix;
+extern struct filter_list_struct server_filter_list;
extern char *config_file;
extern char *files_from;
+extern char *tmpdir;
char *auth_user;
+int read_only = 0;
+int daemon_log_format_has_i = 0;
+int daemon_log_format_has_o_or_i = 0;
+int module_id = -1;
+
+/* Length of lp_path() string when in daemon mode & not chrooted, else 0. */
+unsigned int module_dirlen = 0;
/**
* Run a client connected to an rsyncd. The alternative to this
return -1;
}
- if ((p = strchr(host, '@')) != NULL) {
+ if ((p = strrchr(host, '@')) != NULL) {
user = host;
host = p+1;
*p = '\0';
}
- if (rsync_port == 0)
- rsync_port = RSYNC_PORT;
-
fd = open_socket_out_wrapped(host, rsync_port, bind_address,
default_af_hint);
if (fd == -1)
ret = start_inband_exchange(user, path, fd, fd, argc);
- return ret < 0? ret : client_run(fd, fd, -1, argc, argv);
+ return ret ? ret : client_run(fd, fd, -1, argc, argv);
}
int start_inband_exchange(char *user, char *path, int f_in, int f_out,
int i;
char *sargs[MAX_ARGS];
int sargc = 0;
- char line[MAXPATHLEN];
+ char line[BIGPATHBUFLEN];
char *p;
if (argc == 0 && !am_sender)
- list_only = 1;
+ list_only |= 1;
if (*path == '/') {
rprintf(FERROR,
if (!user)
user = getenv("LOGNAME");
- /* set daemon_over_rsh to false since we need to build the
- * true set of args passed through the rsh/ssh connection;
- * this is a no-op for direct-socket-connection mode */
- daemon_over_rsh = 0;
- server_options(sargs, &sargc);
-
- sargs[sargc++] = ".";
-
- if (path && *path)
- sargs[sargc++] = path;
-
- sargs[sargc] = NULL;
-
io_printf(f_out, "@RSYNCD: %d\n", protocol_version);
if (!read_line(f_in, line, sizeof line - 1)) {
if (protocol_version > remote_protocol)
protocol_version = remote_protocol;
+ if (list_only && protocol_version >= 29)
+ list_only |= 2;
+
+ /* set daemon_over_rsh to false since we need to build the
+ * true set of args passed through the rsh/ssh connection;
+ * this is a no-op for direct-socket-connection mode */
+ daemon_over_rsh = 0;
+ server_options(sargs, &sargc);
+
+ sargs[sargc++] = ".";
+
+ if (path && *path)
+ sargs[sargc++] = path;
+
+ sargs[sargc] = NULL;
+
+ if (verbose > 1)
+ print_child_argv(sargs);
+
p = strchr(path,'/');
if (p) *p = 0;
io_printf(f_out, "%s\n", path);
/* Old servers may just drop the connection here,
rather than sending a proper EXIT command. Yuck. */
- kludge_around_eof = list_only && (protocol_version < 25);
+ kluge_around_eof = list_only && protocol_version < 25 ? 1 : 0;
while (1) {
if (!read_line(f_in, line, sizeof line - 1)) {
rprintf(FERROR, "%s\n", line);
/* This is always fatal; the server will now
* close the socket. */
- return RERR_STARTCLIENT;
- } else {
- rprintf(FINFO,"%s\n", line);
+ return -1;
}
+
+ rprintf(FINFO, "%s\n", line);
}
- kludge_around_eof = False;
+ kluge_around_eof = 0;
for (i = 0; i < sargc; i++) {
io_printf(f_out, "%s\n", sargs[i]);
int argc = 0;
int maxargs;
char **argv;
- char **argp;
- char line[MAXPATHLEN];
+ char line[BIGPATHBUFLEN];
uid_t uid = (uid_t)-2; /* canonically "nobody" */
gid_t gid = (gid_t)-2;
char *p;
+#ifdef HAVE_PUTENV
+ char *s;
+#endif
char *addr = client_addr(f_in);
char *host = client_name(f_in);
char *name = lp_name(i);
if (!claim_connection(lp_lock_file(i), lp_max_connections(i))) {
if (errno) {
rsyserr(FLOG, errno, "failed to open lock file %s",
- lp_lock_file(i));
- io_printf(f_out, "@ERROR: failed to open lock file %s\n",
- lp_lock_file(i));
+ safe_fname(lp_lock_file(i)));
+ io_printf(f_out, "@ERROR: failed to open lock file\n");
} else {
rprintf(FLOG, "max connections (%d) reached\n",
lp_max_connections(i));
- io_printf(f_out, "@ERROR: max connections (%d) reached - try again later\n",
+ io_printf(f_out, "@ERROR: max connections (%d) reached -- try again later\n",
lp_max_connections(i));
}
return -1;
}
- auth_user = auth_server(f_in, f_out, i, addr, "@RSYNCD: AUTHREQD ");
+ auth_user = auth_server(f_in, f_out, i, host, addr, "@RSYNCD: AUTHREQD ");
if (!auth_user) {
- rprintf(FLOG, "auth failed on module %s from %s (%s)\n",
- name, host, addr);
io_printf(f_out, "@ERROR: auth failed on module %s\n", name);
return -1;
}
module_id = i;
+ if (lp_read_only(i))
+ read_only = 1;
+
+ if (lp_transfer_logging(i)) {
+ if (log_format_has(lp_log_format(i), 'i'))
+ daemon_log_format_has_i = 1;
+ if (daemon_log_format_has_i
+ || log_format_has(lp_log_format(i), 'o'))
+ daemon_log_format_has_o_or_i = 1;
+ }
+
am_root = (MY_UID() == 0);
if (am_root) {
/* TODO: Perhaps take a list of gids, and make them into the
* supplementary groups. */
- exclude_path_prefix = use_chroot? "" : lp_path(i);
- if (*exclude_path_prefix == '/' && !exclude_path_prefix[1])
- exclude_path_prefix = "";
+ if (use_chroot || (module_dirlen = strlen(lp_path(i))) == 1) {
+ module_dirlen = 0;
+ set_filter_dir("/", 1);
+ } else
+ set_filter_dir(lp_path(i), module_dirlen);
+
+ p = lp_filter(i);
+ parse_rule(&server_filter_list, p, MATCHFLG_WORD_SPLIT,
+ XFLG_ABS_IF_SLASH);
p = lp_include_from(i);
- add_exclude_file(&server_exclude_list, p,
- XFLG_FATAL_ERRORS | XFLG_DEF_INCLUDE);
+ parse_filter_file(&server_filter_list, p, MATCHFLG_INCLUDE,
+ XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES | XFLG_FATAL_ERRORS);
p = lp_include(i);
- add_exclude(&server_exclude_list, p,
- XFLG_WORD_SPLIT | XFLG_DEF_INCLUDE);
+ parse_rule(&server_filter_list, p,
+ MATCHFLG_INCLUDE | MATCHFLG_WORD_SPLIT,
+ XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES);
p = lp_exclude_from(i);
- add_exclude_file(&server_exclude_list, p,
- XFLG_FATAL_ERRORS);
+ parse_filter_file(&server_filter_list, p, 0,
+ XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES | XFLG_FATAL_ERRORS);
p = lp_exclude(i);
- add_exclude(&server_exclude_list, p, XFLG_WORD_SPLIT);
-
- exclude_path_prefix = NULL;
+ parse_rule(&server_filter_list, p, MATCHFLG_WORD_SPLIT,
+ XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES);
log_init();
+#ifdef HAVE_PUTENV
+ s = lp_prexfer_exec(i);
+ p = lp_postxfer_exec(i);
+ if ((s && *s) || (p && *p)) {
+ char *modname, *modpath, *hostaddr, *hostname, *username;
+ int status;
+ if (asprintf(&modname, "RSYNC_MODULE_NAME=%s", name) < 0
+ || asprintf(&modpath, "RSYNC_MODULE_PATH=%s", lp_path(i)) < 0
+ || asprintf(&hostaddr, "RSYNC_HOST_ADDR=%s", addr) < 0
+ || asprintf(&hostname, "RSYNC_HOST_NAME=%s", host) < 0
+ || asprintf(&username, "RSYNC_USER_NAME=%s", auth_user) < 0)
+ out_of_memory("rsync_module");
+ putenv(modname);
+ putenv(modpath);
+ putenv(hostaddr);
+ putenv(hostname);
+ putenv(username);
+ umask(orig_umask);
+ if (s && *s) {
+ status = system(s);
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+ rprintf(FLOG, "prexfer-exec failed\n");
+ io_printf(f_out, "@ERROR: prexfer-exec failed\n");
+ return -1;
+ }
+ }
+ if (p && *p) {
+ pid_t pid = fork();
+ if (pid < 0) {
+ rsyserr(FLOG, errno, "fork failed");
+ io_printf(f_out, "@ERROR: fork failed\n");
+ return -1;
+ }
+ if (pid) {
+ char *ret1, *ret2;
+ waitpid(pid, &status, 0);
+ if (asprintf(&ret1, "RSYNC_RAW_STATUS=%d", status) > 0)
+ putenv(ret1);
+ if (WIFEXITED(status))
+ status = WEXITSTATUS(status);
+ else
+ status = -1;
+ if (asprintf(&ret2, "RSYNC_EXIT_STATUS=%d", status) > 0)
+ putenv(ret2);
+ system(p);
+ _exit(status);
+ }
+ }
+ umask(0);
+ }
+#endif
+
if (use_chroot) {
/*
* XXX: The 'use chroot' flag is a fairly reliable
* in which case we fail.
*/
if (chroot(lp_path(i))) {
- rsyserr(FLOG, errno, "chroot %s failed", lp_path(i));
+ rsyserr(FLOG, errno, "chroot %s failed",
+ safe_fname(lp_path(i)));
io_printf(f_out, "@ERROR: chroot failed\n");
return -1;
}
if (!push_dir("/")) {
- rsyserr(FLOG, errno, "chdir %s failed\n", lp_path(i));
+ rsyserr(FLOG, errno, "chdir %s failed\n",
+ safe_fname(lp_path(i)));
io_printf(f_out, "@ERROR: chdir failed\n");
return -1;
}
} else {
if (!push_dir(lp_path(i))) {
- rsyserr(FLOG, errno, "chdir %s failed\n", lp_path(i));
+ rsyserr(FLOG, errno, "chdir %s failed\n",
+ safe_fname(lp_path(i)));
io_printf(f_out, "@ERROR: chdir failed\n");
return -1;
}
am_root = (MY_UID() == 0);
}
+ if (lp_temp_dir(i) && *lp_temp_dir(i)) {
+ tmpdir = lp_temp_dir(i);
+ if (strlen(tmpdir) >= MAXPATHLEN - 10) {
+ rprintf(FLOG,
+ "the 'temp dir' value for %s is WAY too long -- ignoring.\n",
+ name);
+ tmpdir = NULL;
+ }
+ }
+
io_printf(f_out, "@RSYNCD: OK\n");
maxargs = MAX_ARGS;
if (!(argv[argc] = strdup(p)))
out_of_memory("rsync_module");
- if (start_glob) {
- if (start_glob == 1) {
- request = strdup(p);
- start_glob++;
- }
- glob_expand(name, &argv, &argc, &maxargs);
- } else
+ switch (start_glob) {
+ case 0:
argc++;
-
- if (strcmp(line, ".") == 0)
- start_glob = 1;
+ if (strcmp(line, ".") == 0)
+ start_glob = 1;
+ break;
+ case 1:
+ request = strdup(p);
+ start_glob = 2;
+ /* FALL THROUGH */
+ default:
+ glob_expand(name, &argv, &argc, &maxargs);
+ break;
+ }
}
- argp = argv;
- ret = parse_arguments(&argc, (const char ***) &argp, 0);
+ verbose = 0; /* future verbosity is controlled by client options */
+ ret = parse_arguments(&argc, (const char ***) &argv, 0);
if (filesfrom_fd == 0)
filesfrom_fd = f_in;
#ifndef DEBUG
/* don't allow the logs to be flooded too fast */
- if (verbose > lp_max_verbosity())
- verbose = lp_max_verbosity();
+ if (verbose > lp_max_verbosity(i))
+ verbose = lp_max_verbosity(i);
#endif
if (protocol_version < 23
* get the error back to the client. This means getting
* the protocol setup finished first in later versions. */
setup_protocol(f_out, f_in);
- if (files_from && !am_sender && strcmp(files_from, "-") != 0)
- write_byte(f_out, 0);
+ if (!am_sender) {
+ /* Since we failed in our option parsing, we may not
+ * have finished parsing that the client sent us a
+ * --files-from option, so look for it manually.
+ * Without this, the socket would be in the wrong
+ * state for the upcoming error message. */
+ if (!files_from) {
+ int i;
+ for (i = 0; i < argc; i++) {
+ if (strncmp(argv[i], "--files-from", 12) == 0) {
+ files_from = "";
+ break;
+ }
+ }
+ }
+ if (files_from)
+ write_byte(f_out, 0);
+ }
io_start_multiplex_out();
}
exit_cleanup(RERR_UNSUPPORTED);
}
- if (lp_timeout(i)) {
- io_timeout = lp_timeout(i);
- if (io_timeout && io_timeout < select_timeout)
- select_timeout = io_timeout;
- }
+ if (lp_timeout(i) && lp_timeout(i) > io_timeout)
+ set_io_timeout(lp_timeout(i));
- start_server(f_in, f_out, argc, argp);
+ start_server(f_in, f_out, argc, argv);
return 0;
}
here */
int start_daemon(int f_in, int f_out)
{
- char line[200];
+ char line[1024];
char *motd;
int i;
if (rsync_port == 0 && (rsync_port = lp_rsync_port()) == 0)
rsync_port = RSYNC_PORT;
- if (bind_address == NULL)
+ if (bind_address == NULL && *lp_bind_address())
bind_address = lp_bind_address();
log_init();
if ((fd = do_open(lp_pid_file(), O_WRONLY|O_CREAT|O_TRUNC,
0666 & ~orig_umask)) == -1) {
cleanup_set_pid(0);
- rsyserr(FLOG, errno, "failed to create pid file %s", pid_file);
+ rsyserr(FLOG, errno, "failed to create pid file %s",
+ safe_fname(pid_file));
exit_cleanup(RERR_FILEIO);
}
snprintf(pidbuf, sizeof pidbuf, "%ld\n", (long)pid);
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff