The branch, master has been updated via 5b67ff2a Improve [global] module documentation. via 8990ad96 Duplicate argv data before poptFreeContext(). via 0f44e864 Another python conversion. via ab0d5021 Convert a few more scripts to python3. via 74028965 Tweak an older NEWS item to be a bit clearer. from 53749940 Avoid quoting of tilde when it's a destination arg.
https://git.samba.org/?p=rsync.git;a=shortlog;h=master - Log ----------------------------------------------------------------- commit 5b67ff2a86585637c28a4496e631041ec5cb04fc Author: Wayne Davison <wa...@opencoder.net> Date: Tue Nov 22 22:55:52 2022 -0800 Improve [global] module documentation. commit 8990ad96de881f7332d16d32485f9d8b841a87d2 Author: Wayne Davison <wa...@opencoder.net> Date: Tue Nov 22 21:00:04 2022 -0800 Duplicate argv data before poptFreeContext(). commit 0f44e864d4481b6683f8abc7a817db23c5203130 Author: Wayne Davison <wa...@opencoder.net> Date: Sun Nov 20 09:38:12 2022 -0800 Another python conversion. commit ab0d5021ed1c9b4c1b74f5d80b7c6668d8989ba5 Author: Wayne Davison <wa...@opencoder.net> Date: Wed Nov 16 00:06:05 2022 -0800 Convert a few more scripts to python3. commit 740289652347573508688d7fb3e7e48d697f8742 Author: Wayne Davison <wa...@opencoder.net> Date: Wed Nov 9 16:04:02 2022 -0800 Tweak an older NEWS item to be a bit clearer. ----------------------------------------------------------------------- Summary of changes: NEWS.md | 12 ++-- main.c | 13 ---- options.c | 160 +++++++++++++++++++++++++-------------------- rsyncd.conf.5.md | 46 +++++++------ support/cvs2includes | 85 +++++++++++++++--------- support/files-to-excludes | 58 +++++++++------- support/idmap | 45 +++++++++++++ support/json-rsync-version | 2 +- support/mapfrom | 15 ----- support/mapto | 15 ----- 10 files changed, 256 insertions(+), 195 deletions(-) create mode 100755 support/idmap delete mode 100755 support/mapfrom delete mode 100755 support/mapto Changeset truncated at 500 lines: diff --git a/NEWS.md b/NEWS.md index fb656288..555d16f5 100644 --- a/NEWS.md +++ b/NEWS.md @@ -227,10 +227,14 @@ Wildcards are not escaped in filename args, but they are escaped in options like the [`--suffix`](rsync.1#opt) and [`--usermap`](rsync.1#opt) values. - If your rsync script depends on the old arg-splitting behavior, either run - it with the [`--old-args`](rsync.1#opt) option or `export RSYNC_OLD_ARGS=1` - in the script's environment. See also the [ADVANCED USAGE](rsync.1#) - section of rsync's manpage for how to use a more modern arg style. + + If a script depends on the old arg behavior (perhaps because it quotes or + protects the args already, or perhaps because it expects arg splitting), + there are two easy ways to get things going with a modern rsync: either + `export RSYNC_OLD_ARGS=1` in the script's environment (perhaps in the script + itself) or add the option [`--old-args`](rsync.1#opt) to the rsync commands + that are run. See also the [ADVANCED USAGE](rsync.1#) section of rsync's + manpage for how to use a more modern arg style. - A long-standing bug was preventing rsync from figuring out the current locale's decimal point character, which made rsync always output numbers diff --git a/main.c b/main.c index d2a7b9b5..9f36904d 100644 --- a/main.c +++ b/main.c @@ -1381,15 +1381,6 @@ int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) return MAX(exit_code, exit_code2); } -static void dup_argv(char *argv[]) -{ - int i; - - for (i = 0; argv[i]; i++) - argv[i] = strdup(argv[i]); -} - - /* Start a client for either type of remote connection. Work out * whether the arguments request a remote shell or rsyncd connection, * and call the appropriate connection function, then run_client. @@ -1405,10 +1396,6 @@ static int start_client(int argc, char *argv[]) int ret; pid_t pid; - /* Don't clobber argv[] so that ps(1) can still show the right - * command line. */ - dup_argv(argv); - if (!read_batch) { /* for read_batch, NO source is specified */ char *path = check_for_hostspec(argv[0], &shell_machine, &rsync_port); if (path) { /* source is remote */ diff --git a/options.c b/options.c index cfa3e1dc..ded0e7a3 100644 --- a/options.c +++ b/options.c @@ -200,6 +200,7 @@ int remote_option_cnt = 0; const char **remote_options = NULL; const char *checksum_choice = NULL; const char *compress_choice = NULL; +static const char *empty_argv[1]; int quiet = 0; int output_motd = 1; @@ -1347,7 +1348,7 @@ char *alt_dest_opt(int type) **/ int parse_arguments(int *argc_p, const char ***argv_p) { - static poptContext pc; + poptContext pc; const char *arg, **argv = *argv_p; int argc = *argc_p; int opt, want_dest_type; @@ -1367,10 +1368,6 @@ int parse_arguments(int *argc_p, const char ***argv_p) /* TODO: Call poptReadDefaultConfig; handle errors. */ - /* The context leaks in case of an error, but if there's a - * problem we always exit anyhow. */ - if (pc) - poptFreeContext(pc); pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0); if (!am_server) { poptReadDefaultConfig(pc, 0); @@ -1413,7 +1410,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) strlcpy(err_buf, "Attempt to hack rsync thwarted!\n", sizeof err_buf); - return 0; + goto cleanup; } #ifdef ICONV_OPTION iconv_opt = NULL; @@ -1459,7 +1456,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { snprintf(err_buf, sizeof err_buf, "the --temp-dir path is WAY too long.\n"); - return 0; + goto cleanup; } if (!daemon_opt) { @@ -1469,8 +1466,16 @@ int parse_arguments(int *argc_p, const char ***argv_p) exit_cleanup(RERR_SYNTAX); } - *argv_p = argv = poptGetArgs(pc); - *argc_p = argc = count_args(argv); + argv = poptGetArgs(pc); + argc = count_args(argv); + if (!argc) { + *argv_p = empty_argv; + *argc_p = 0; + } else if (poptDupArgv(argc, argv, argc_p, argv_p) != 0) + out_of_memory("parse_arguments"); + argv = *argv_p; + poptFreeContext(pc); + am_starting_up = 0; daemon_opt = 0; am_daemon = 1; @@ -1525,7 +1530,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) case 'a': if (refused_archive_part) { create_refuse_error(refused_archive_part); - return 0; + goto cleanup; } if (!recurse) /* preserve recurse == 2 */ recurse = 1; @@ -1595,7 +1600,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) case 'P': if (refused_partial || refused_progress) { create_refuse_error(refused_partial ? refused_partial : refused_progress); - return 0; + goto cleanup; } do_progress = 1; keep_partial = 1; @@ -1630,7 +1635,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (*arg != '-') { snprintf(err_buf, sizeof err_buf, "Remote option must start with a dash: %s\n", arg); - return 0; + goto cleanup; } if (remote_option_cnt+2 >= remote_option_alloc) { remote_option_alloc += 16; @@ -1672,27 +1677,27 @@ int parse_arguments(int *argc_p, const char ***argv_p) ssize_t size; arg = poptGetOptArg(pc); if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0) - return 0; + goto cleanup; block_size = (int32)size; break; } case OPT_MAX_SIZE: if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0) - return 0; + goto cleanup; max_size_arg = strdup(do_big_num(max_size, 0, NULL)); break; case OPT_MIN_SIZE: if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0) - return 0; + goto cleanup; min_size_arg = strdup(do_big_num(min_size, 0, NULL)); break; case OPT_BWLIMIT: { ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True); if (size < 0) - return 0; + goto cleanup; bwlimit_arg = strdup(do_big_num(size, 0, NULL)); bwlimit = (size + 512) / 1024; break; @@ -1721,7 +1726,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) snprintf(err_buf, sizeof err_buf, "ERROR: the %s option conflicts with the %s option\n", alt_dest_opt(want_dest_type), alt_dest_opt(0)); - return 0; + goto cleanup; } alt_dest_type = want_dest_type; @@ -1729,7 +1734,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) snprintf(err_buf, sizeof err_buf, "ERROR: at most %d %s args may be specified\n", MAX_BASIS_DIRS, alt_dest_opt(0)); - return 0; + goto cleanup; } /* We defer sanitizing this arg until we know what * our destination directory is going to be. */ @@ -1742,7 +1747,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) snprintf(err_buf, sizeof err_buf, "Invalid argument passed to --chmod (%s)\n", arg); - return 0; + goto cleanup; } break; @@ -1761,11 +1766,11 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (usermap_via_chown) { snprintf(err_buf, sizeof err_buf, "--usermap conflicts with prior --chown.\n"); - return 0; + goto cleanup; } snprintf(err_buf, sizeof err_buf, "You can only specify --usermap once.\n"); - return 0; + goto cleanup; } usermap = (char *)poptGetOptArg(pc); usermap_via_chown = False; @@ -1777,11 +1782,11 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (groupmap_via_chown) { snprintf(err_buf, sizeof err_buf, "--groupmap conflicts with prior --chown.\n"); - return 0; + goto cleanup; } snprintf(err_buf, sizeof err_buf, "You can only specify --groupmap once.\n"); - return 0; + goto cleanup; } groupmap = (char *)poptGetOptArg(pc); groupmap_via_chown = False; @@ -1800,11 +1805,11 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (!usermap_via_chown) { snprintf(err_buf, sizeof err_buf, "--chown conflicts with prior --usermap.\n"); - return 0; + goto cleanup; } snprintf(err_buf, sizeof err_buf, "You can only specify a user-affecting --chown once.\n"); - return 0; + goto cleanup; } if (asprintf(&usermap, "*:%.*s", len, chown) < 0) out_of_memory("parse_arguments"); @@ -1816,11 +1821,11 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (!groupmap_via_chown) { snprintf(err_buf, sizeof err_buf, "--chown conflicts with prior --groupmap.\n"); - return 0; + goto cleanup; } snprintf(err_buf, sizeof err_buf, "You can only specify a group-affecting --chown once.\n"); - return 0; + goto cleanup; } if (asprintf(&groupmap, "*:%s", arg) < 0) out_of_memory("parse_arguments"); @@ -1848,7 +1853,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) snprintf(err_buf,sizeof(err_buf), "ACLs are not supported on this %s\n", am_server ? "server" : "client"); - return 0; + goto cleanup; #endif case 'X': @@ -1859,7 +1864,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) snprintf(err_buf,sizeof(err_buf), "extended attributes are not supported on this %s\n", am_server ? "server" : "client"); - return 0; + goto cleanup; #endif case OPT_STOP_AFTER: { @@ -1868,7 +1873,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) stop_at_utime = time(NULL); if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) { snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg); - return 0; + goto cleanup; } stop_at_utime += val; break; @@ -1879,11 +1884,11 @@ int parse_arguments(int *argc_p, const char ***argv_p) arg = poptGetOptArg(pc); if ((stop_at_utime = parse_time(arg)) == (time_t)-1) { snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg); - return 0; + goto cleanup; } if (stop_at_utime <= time(NULL)) { snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg); - return 0; + goto cleanup; } break; #endif @@ -1901,7 +1906,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) else { snprintf(err_buf, sizeof err_buf, "--stderr mode \"%s\" is not one of errors, all, or client\n", arg); - return 0; + goto cleanup; } saw_stderr_opt = 1; break; @@ -1912,13 +1917,13 @@ int parse_arguments(int *argc_p, const char ***argv_p) * turned this option off. */ if (opt >= OPT_REFUSED_BASE) { create_refuse_error(opt); - return 0; + goto cleanup; } snprintf(err_buf, sizeof err_buf, "%s%s: %s\n", am_server ? "on remote machine: " : "", poptBadOption(pc, POPT_BADOPTION_NOALIAS), poptStrerror(opt)); - return 0; + goto cleanup; } } @@ -1938,7 +1943,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (max_alloc_arg) { ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True); if (size < 0) - return 0; + goto cleanup; max_alloc = size; } @@ -1952,7 +1957,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (protect_args > 0) { snprintf(err_buf, sizeof err_buf, "--secluded-args conflicts with --old-args.\n"); - return 0; + goto cleanup; } protect_args = 0; } @@ -1997,7 +2002,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) do_compression = CPRES_AUTO; if (do_compression && refused_compress) { create_refuse_error(refused_compress); - return 0; + goto cleanup; } } @@ -2022,7 +2027,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) default: snprintf(err_buf, sizeof err_buf, "Invalid --outbuf setting -- specify N, L, or B.\n"); - return 0; + goto cleanup; } setvbuf(stdout, (char *)NULL, mode, 0); } @@ -2050,7 +2055,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) } if (refused_no_iconv && !iconv_opt) { create_refuse_error(refused_no_iconv); - return 0; + goto cleanup; } #endif @@ -2061,18 +2066,30 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (orig_protect_args == 2 && am_server) protect_args = orig_protect_args; - if (protect_args == 1 && am_server) + if (protect_args == 1 && am_server) { + poptFreeContext(pc); return 1; + } - *argv_p = argv = poptGetArgs(pc); - *argc_p = argc = count_args(argv); + /* Because popt 1.19 has started to free the returned args data, we now + * make a copy of the array and then do an immediate cleanup. */ + argv = poptGetArgs(pc); + argc = count_args(argv); + if (!argc) { + *argv_p = empty_argv; + *argc_p = 0; + } else if (poptDupArgv(argc, argv, argc_p, argv_p) != 0) + out_of_memory("parse_arguments"); + argv = *argv_p; + poptFreeContext(pc); + pc = NULL; #ifndef SUPPORT_LINKS if (preserve_links && !am_sender) { snprintf(err_buf, sizeof err_buf, "symlinks are not supported on this %s\n", am_server ? "server" : "client"); - return 0; + goto cleanup; } #endif @@ -2081,7 +2098,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) snprintf(err_buf, sizeof err_buf, "hard links are not supported on this %s\n", am_server ? "server" : "client"); - return 0; + goto cleanup; } #endif @@ -2089,20 +2106,20 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (am_root < 0 && preserve_xattrs > 1) { snprintf(err_buf, sizeof err_buf, "--fake-super conflicts with -XX\n"); - return 0; + goto cleanup; } #else if (am_root < 0) { snprintf(err_buf, sizeof err_buf, "--fake-super requires an rsync with extended attributes enabled\n"); - return 0; + goto cleanup; } #endif if (write_batch && read_batch) { snprintf(err_buf, sizeof err_buf, "--write-batch and --read-batch can not be used together\n"); - return 0; + goto cleanup; } if (write_batch > 0 || read_batch) { if (am_server) { @@ -2121,25 +2138,25 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (read_batch && files_from) { snprintf(err_buf, sizeof err_buf, "--read-batch cannot be used with --files-from\n"); - return 0; + goto cleanup; } if (read_batch && remove_source_files) { snprintf(err_buf, sizeof err_buf, "--read-batch cannot be used with --remove-%s-files\n", remove_source_files == 1 ? "source" : "sent"); - return 0; + goto cleanup; } if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) { snprintf(err_buf, sizeof err_buf, "the batch-file name must be %d characters or less.\n", MAX_BATCH_NAME_LEN); - return 0; + goto cleanup; } if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { snprintf(err_buf, sizeof err_buf, "the --temp-dir path is WAY too long.\n"); - return 0; + goto cleanup; } if (max_delete < 0 && max_delete != INT_MIN) { @@ -2173,7 +2190,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (delete_before + !!delete_during + delete_after > 1) { snprintf(err_buf, sizeof err_buf, "You may not combine multiple --delete-WHEN options.\n"); - return 0; + goto cleanup; } if (delete_before || delete_during || delete_after) delete_mode = 1; @@ -2184,7 +2201,7 @@ int parse_arguments(int *argc_p, const char ***argv_p) delete_during = 1; else { create_refuse_error(refused_delete_before); - return 0; + goto cleanup; } } else if (refused_delete_during) delete_before = 1; @@ -2193,14 +2210,14 @@ int parse_arguments(int *argc_p, const char ***argv_p) if (!xfer_dirs && delete_mode) { snprintf(err_buf, sizeof err_buf, "--delete does not work without --recursive (-r) or --dirs (-d).\n"); - return 0; + goto cleanup; } -- The rsync repository. _______________________________________________ rsync-cvs mailing list rsync-cvs@lists.samba.org https://lists.samba.org/mailman/listinfo/rsync-cvs