X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/c0422cea9faa173bcd5ac4d86a456ae71bdda6c4..fe1c19dcdfa000c2461e85ed7bf712de49904377:/clientserver.c diff --git a/clientserver.c b/clientserver.c index ac99ae4e..4007bffe 100644 --- a/clientserver.c +++ b/clientserver.c @@ -31,8 +31,6 @@ 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; @@ -43,15 +41,21 @@ 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; char *auth_user; +int read_only = 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 @@ -87,6 +91,9 @@ int start_socket_client(char *host, char *path, int argc, char *argv[]) *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) @@ -107,7 +114,7 @@ int start_inband_exchange(char *user, char *path, int f_in, int f_out, char *p; if (argc == 0 && !am_sender) - list_only = 1; + list_only |= 1; if (*path == '/') { rprintf(FERROR, @@ -120,19 +127,6 @@ int start_inband_exchange(char *user, char *path, int f_in, int f_out, 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)) { @@ -149,6 +143,25 @@ int start_inband_exchange(char *user, char *path, int f_in, int f_out, 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); @@ -245,13 +258,12 @@ static int rsync_module(int f_in, int f_out, int 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; @@ -268,6 +280,9 @@ static int rsync_module(int f_in, int f_out, int i) module_id = i; + if (lp_read_only(i)) + read_only = 1; + am_root = (MY_UID() == 0); if (am_root) { @@ -299,26 +314,34 @@ static int rsync_module(int f_in, int f_out, int i) /* 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 = 0; + set_filter_dir("/", 1); + } else { + module_dirlen = strlen(lp_path(i)); + set_filter_dir(lp_path(i), module_dirlen); + } + + p = lp_filter(i); + parse_rule(&server_filter_list, p, MATCHFLG_WORD_SPLIT, + XFLG_ANCHORED2ABS); 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_ANCHORED2ABS | 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_ANCHORED2ABS | 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_ANCHORED2ABS | 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_ANCHORED2ABS | XFLG_OLD_PREFIXES); log_init(); @@ -336,20 +359,23 @@ static int rsync_module(int f_in, int f_out, int i) * 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; } @@ -372,7 +398,7 @@ static int rsync_module(int f_in, int f_out, int i) io_printf(f_out, "@ERROR: setgid failed\n"); return -1; } -#ifdef HAVE_SETGROUPS +#if HAVE_SETGROUPS /* Get rid of any supplementary groups this process * might have inheristed. */ if (setgroups(1, &gid)) { @@ -428,6 +454,7 @@ static int rsync_module(int f_in, int f_out, int i) start_glob = 1; } + verbose = 0; /* future verbosity is controlled by client options */ argp = argv; ret = parse_arguments(&argc, (const char ***) &argp, 0); @@ -461,6 +488,8 @@ static int rsync_module(int f_in, int f_out, int i) * 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); io_start_multiplex_out(); } @@ -470,8 +499,11 @@ static int rsync_module(int f_in, int f_out, int i) exit_cleanup(RERR_UNSUPPORTED); } - if (lp_timeout(i)) + if (lp_timeout(i)) { io_timeout = lp_timeout(i); + if (io_timeout < select_timeout) + select_timeout = io_timeout; + } start_server(f_in, f_out, argc, argp); @@ -595,6 +627,11 @@ int daemon_main(void) if (!lp_load(config_file, 1)) exit_cleanup(RERR_SYNTAX); + if (rsync_port == 0 && (rsync_port = lp_rsync_port()) == 0) + rsync_port = RSYNC_PORT; + if (bind_address == NULL && *lp_bind_address()) + bind_address = lp_bind_address(); + log_init(); rprintf(FLOG, "rsyncd version %s starting, listening on port %d\n", @@ -611,7 +648,8 @@ int daemon_main(void) 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);