X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/ff1b9344c965a6dcad791a58024fb5886ae0637e..16edf86595a5a990a942fa045dfb523dae1fe6cb:/options.c diff --git a/options.c b/options.c index ec57901c..c1423b61 100644 --- a/options.c +++ b/options.c @@ -3,12 +3,11 @@ * * Copyright (C) 1998-2001 Andrew Tridgell * Copyright (C) 2000, 2001, 2002 Martin Pool - * Copyright (C) 2002, 2003, 2004, 2005, 2006 Wayne Davison + * Copyright (C) 2002-2007 Wayne Davison * * 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. + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -47,6 +46,8 @@ int copy_dirlinks = 0; int copy_links = 0; int preserve_links = 0; int preserve_hard_links = 0; +int preserve_acls = 0; +int preserve_xattrs = 0; int preserve_perms = 0; int preserve_executability = 0; int preserve_devices = 0; @@ -90,6 +91,7 @@ char *filesfrom_host = NULL; int eol_nulls = 0; int human_readable = 0; int recurse = 0; +int allow_inc_recurse = 1; int xfer_dirs = -1; int am_daemon = 0; int daemon_over_rsh = 0; @@ -106,7 +108,7 @@ size_t bwlimit_writemax = 0; int ignore_existing = 0; int ignore_non_existing = 0; int need_messages_from_generator = 0; -int max_delete = 0; +int max_delete = -1; OFF_T max_size = 0; OFF_T min_size = 0; int ignore_errors = 0; @@ -117,7 +119,6 @@ int inplace = 0; int delay_updates = 0; long block_size = 0; /* "long" because popt can't set an int32. */ - /** Network address family. **/ #ifdef INET6 int default_af_hint = 0; /* Any protocol */ @@ -164,6 +165,7 @@ char *dest_option = NULL; int verbose = 0; int quiet = 0; +int output_motd = 1; int log_before_transfer = 0; int stdout_format_has_i = 0; int stdout_format_has_o_or_i = 0; @@ -183,6 +185,7 @@ static int modify_window_set; static int itemize_changes = 0; static int refused_delete, refused_archive_part, refused_compress; static int refused_partial, refused_progress, refused_delete_before; +static int refused_delete_during; static int refused_inplace; static char *max_size_arg, *min_size_arg; static char tmp_partialdir[] = ".~tmp~"; @@ -198,6 +201,8 @@ static void print_rsync_version(enum logcode f) char const *got_socketpair = "no "; char const *have_inplace = "no "; char const *hardlinks = "no "; + char const *acls = "no "; + char const *xattrs = "no "; char const *links = "no "; char const *ipv6 = "no "; STRUCT_STAT *dumstat; @@ -214,6 +219,12 @@ static void print_rsync_version(enum logcode f) hardlinks = ""; #endif +#ifdef SUPPORT_ACLS + acls = ""; +#endif +#ifdef SUPPORT_XATTRS + xattrs = ""; +#endif #ifdef SUPPORT_LINKS links = ""; #endif @@ -224,21 +235,17 @@ static void print_rsync_version(enum logcode f) rprintf(f, "%s version %s protocol version %d\n", RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION); - rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n"); + rprintf(f, "Copyright (C) 1996-2007 by Andrew Tridgell, Wayne Davison, and others.\n"); rprintf(f, "\n"); - rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, " - "%shard links, %ssymlinks, batchfiles,\n", - (int) (sizeof (OFF_T) * 8), - got_socketpair, hardlinks, links); - - /* Note that this field may not have type ino_t. It depends - * on the complicated interaction between largefile feature - * macros. */ - rprintf(f, " %sinplace, %sIPv6, " - "%d-bit system inums, %d-bit internal inums\n", - have_inplace, ipv6, - (int) (sizeof dumstat->st_ino * 8), - (int) (sizeof (int64) * 8)); + rprintf(f, "Capabilities: %d-bit files, %d-bit system inums, %d-bit internal inums,\n", + (int)(sizeof (OFF_T) * 8), + (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */ + (int)(sizeof (int64) * 8)); + rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n", + got_socketpair, hardlinks, links, ipv6, have_inplace); + rprintf(f, " %sappend, %sACLs, %sxattrs\n", + have_inplace, acls, xattrs); + #ifdef MAINTAINER_MODE rprintf(f, "Panic Action: \"%s\"\n", get_panic_action()); #endif @@ -281,8 +288,9 @@ void usage(enum logcode F) rprintf(F,"Options\n"); rprintf(F," -v, --verbose increase verbosity\n"); rprintf(F," -q, --quiet suppress non-error messages\n"); + rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n"); rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n"); - rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n"); + rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n"); rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n"); rprintf(F," -r, --recursive recurse into directories\n"); rprintf(F," -R, --relative use relative path names\n"); @@ -303,7 +311,13 @@ void usage(enum logcode F) rprintf(F," -H, --hard-links preserve hard links\n"); rprintf(F," -p, --perms preserve permissions\n"); rprintf(F," -E, --executability preserve the file's executability\n"); - rprintf(F," --chmod=CHMOD change destination permissions\n"); + rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n"); +#ifdef SUPPORT_ACLS + rprintf(F," -A, --acls preserve ACLs (implies --perms)\n"); +#endif +#ifdef SUPPORT_XATTRS + rprintf(F," -X, --xattrs preserve extended attributes (implies --perms)\n"); +#endif rprintf(F," -o, --owner preserve owner (super-user only)\n"); rprintf(F," -g, --group preserve group\n"); rprintf(F," --devices preserve device files (super-user only)\n"); @@ -324,9 +338,10 @@ void usage(enum logcode F) rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n"); rprintf(F," --del an alias for --delete-during\n"); rprintf(F," --delete delete extraneous files from destination dirs\n"); - rprintf(F," --delete-before receiver deletes before transfer (default)\n"); - rprintf(F," --delete-during receiver deletes during transfer, not before\n"); - rprintf(F," --delete-after receiver deletes after transfer, not before\n"); + rprintf(F," --delete-before receiver deletes before transfer, not during\n"); + rprintf(F," --delete-during receiver deletes during transfer (default)\n"); + rprintf(F," --delete-delay find deletions during, delete after\n"); + rprintf(F," --delete-after receiver deletes after transfer, not during\n"); rprintf(F," --delete-excluded also delete excluded files from destination dirs\n"); rprintf(F," --ignore-errors delete even if there are I/O errors\n"); rprintf(F," --force force deletion of directories even if not empty\n"); @@ -372,7 +387,7 @@ void usage(enum logcode F) rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n"); rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n"); rprintf(F," --log-file-format=FMT log updates using the specified FMT\n"); - rprintf(F," --password-file=FILE read password from FILE\n"); + rprintf(F," --password-file=FILE read daemon-access password from FILE\n"); rprintf(F," --list-only list the files instead of copying them\n"); rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n"); rprintf(F," --write-batch=FILE write a batched update to FILE\n"); @@ -407,12 +422,18 @@ static struct poptOption long_options[] = { {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 }, + {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 }, + {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 }, {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 }, {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0}, {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 }, {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 }, {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 }, {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 }, + {"ir", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 }, + {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 }, + {"no-ir", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 }, + {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 }, {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 }, {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 }, {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 }, @@ -421,6 +442,12 @@ static struct poptOption long_options[] = { {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 }, {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 }, {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 }, + {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 }, + {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 }, + {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 }, + {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 }, + {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 }, + {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 }, {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 }, {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 }, {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 }, @@ -448,7 +475,7 @@ static struct poptOption long_options[] = { {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 }, {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 }, {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 }, - {"hard-links", 'H', POPT_ARG_VAL, &preserve_hard_links, 1, 0, 0 }, + {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 }, {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 }, {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 }, {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 }, @@ -471,8 +498,9 @@ static struct poptOption long_options[] = { {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 }, {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 }, {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 }, - {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 }, - {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 }, + {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 }, + {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 }, + {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 }, {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 }, {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 }, {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */ @@ -613,8 +641,9 @@ static char err_buf[200]; void option_error(void) { if (!err_buf[0]) { - strcpy(err_buf, "Error parsing options: " - "option may be supported on client but not on server?\n"); + strlcpy(err_buf, "Error parsing options: option may " + "be supported on client but not on server?\n", + sizeof err_buf); } rprintf(FERROR, RSYNC_NAME ": %s", err_buf); @@ -667,6 +696,8 @@ static void set_refuse_options(char *bp) refused_delete = op->val; else if (wildmatch("delete-before", op->longName)) refused_delete_before = op->val; + else if (wildmatch("delete-during", op->longName)) + refused_delete_during = op->val; else if (wildmatch("partial", op->longName)) refused_partial = op->val; else if (wildmatch("progress", op->longName)) @@ -710,9 +741,9 @@ static OFF_T parse_size_arg(char **size_arg, char def_suf) const char *arg; OFF_T size = 1; - for (arg = *size_arg; isdigit(*(uchar*)arg); arg++) {} + for (arg = *size_arg; isDigit(arg); arg++) {} if (*arg == '.') - for (arg++; isdigit(*(uchar*)arg); arg++) {} + for (arg++; isDigit(arg); arg++) {} switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) { case 'b': case 'B': reps = 0; @@ -751,7 +782,7 @@ static OFF_T parse_size_arg(char **size_arg, char def_suf) OFF_T num = size; *s = '\0'; while (num) { - *--s = (num % 10) + '0'; + *--s = (char)(num % 10) + '0'; num /= 10; } if (!(*size_arg = strdup(s))) @@ -832,7 +863,9 @@ int parse_arguments(int *argc, const char ***argv, int frommain) case OPT_DAEMON: if (am_daemon) { - strcpy(err_buf, "Attempt to hack rsync thwarted!\n"); + strlcpy(err_buf, + "Attempt to hack rsync thwarted!\n", + sizeof err_buf); return 0; } poptFreeContext(pc); @@ -902,10 +935,8 @@ int parse_arguments(int *argc, const char ***argv, int frommain) case OPT_EXCLUDE_FROM: case OPT_INCLUDE_FROM: arg = poptGetOptArg(pc); - if (sanitize_paths) { + if (sanitize_paths) arg = sanitize_path(NULL, arg, NULL, 0, NULL); - die_on_unsafe_path((char*)arg, 0); - } if (server_filter_list.head) { char *cp = strdup(arg); if (!cp) @@ -952,6 +983,10 @@ int parse_arguments(int *argc, const char ***argv, int frommain) human_readable++; break; + case 'H': + preserve_hard_links++; + break; + case 'i': itemize_changes++; break; @@ -1084,6 +1119,35 @@ int parse_arguments(int *argc, const char ***argv, int frommain) usage(FINFO); exit_cleanup(0); + case 'A': +#ifdef SUPPORT_ACLS + preserve_acls = 1; + preserve_perms = 1; + break; +#else + /* FIXME: this should probably be ignored with a + * warning and then countermeasures taken to + * restrict group and other access in the presence + * of any more restrictive ACLs, but this is safe + * for now */ + snprintf(err_buf,sizeof(err_buf), + "ACLs are not supported on this %s\n", + am_server ? "server" : "client"); + return 0; +#endif + + case 'X': +#ifdef SUPPORT_XATTRS + preserve_xattrs = 1; + preserve_perms = 1; + break; +#else + snprintf(err_buf,sizeof(err_buf), + "extended attributes are not supported on this %s\n", + am_server ? "server" : "client"); + return 0; +#endif + default: /* A large opt value means that set_refuse_options() * turned this option off. */ @@ -1180,7 +1244,7 @@ int parse_arguments(int *argc, const char ***argv, int frommain) if (!relative_paths) implied_dirs = 0; - if (!!delete_before + delete_during + delete_after > 1) { + 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; @@ -1188,11 +1252,17 @@ int parse_arguments(int *argc, const char ***argv, int frommain) if (delete_before || delete_during || delete_after) delete_mode = 1; else if (delete_mode || delete_excluded) { + /* Only choose now between before & during if one is refused. */ if (refused_delete_before) { - create_refuse_error(refused_delete_before); - return 0; - } - delete_mode = delete_before = 1; + if (!refused_delete_during) + delete_during = 1; + else { + create_refuse_error(refused_delete_before); + return 0; + } + } else if (refused_delete_during) + delete_before = 1; + delete_mode = 1; } if (!xfer_dirs && delete_mode) { snprintf(err_buf, sizeof err_buf, @@ -1223,14 +1293,10 @@ int parse_arguments(int *argc, const char ***argv, int frommain) int i; for (i = *argc; i-- > 0; ) (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0, NULL); - if (tmpdir) { + if (tmpdir) tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, NULL); - die_on_unsafe_path(tmpdir, 0); - } - if (backup_dir) { + if (backup_dir) backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, NULL); - die_on_unsafe_path(backup_dir, 0); - } } if (server_filter_list.head && !am_sender) { struct filter_list_struct *elp = &server_filter_list; @@ -1245,12 +1311,8 @@ int parse_arguments(int *argc, const char ***argv, int frommain) if (!*backup_dir) goto options_rejected; clean_fname(backup_dir, 1); - if (check_filter(elp, backup_dir, 1) < 0) { - options_rejected: - snprintf(err_buf, sizeof err_buf, - "Your options have been rejected by the server.\n"); - return 0; - } + if (check_filter(elp, backup_dir, 1) < 0) + goto options_rejected; } } @@ -1281,10 +1343,10 @@ int parse_arguments(int *argc, const char ***argv, int frommain) snprintf(err_buf, sizeof err_buf, "--suffix cannot be a null string without --backup-dir\n"); return 0; - } else if (make_backups && delete_mode && !delete_excluded) { - snprintf(backup_dir_buf, sizeof backup_dir_buf, + } else if (make_backups && delete_mode && !delete_excluded && !am_server) { + snprintf(backup_dir_buf, sizeof backup_dir_buf, "P *%s", backup_suffix); - parse_rule(&filter_list, backup_dir_buf, 0, 0); + parse_rule(&filter_list, backup_dir_buf, 0, 0); } if (make_backups && !backup_dir) omit_dir_times = 1; @@ -1397,10 +1459,6 @@ int parse_arguments(int *argc, const char ***argv, int frommain) clean_fname(partial_dir, 1); if (!*partial_dir || strcmp(partial_dir, ".") == 0) partial_dir = NULL; - else if (*partial_dir != '/') { - parse_rule(&filter_list, partial_dir, - MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0); - } if (!partial_dir && refused_partial) { create_refuse_error(refused_partial); return 0; @@ -1456,6 +1514,11 @@ int parse_arguments(int *argc, const char ***argv, int frommain) am_starting_up = 0; return 1; + + options_rejected: + snprintf(err_buf, sizeof err_buf, + "Your options have been rejected by the server.\n"); + return 0; } @@ -1505,7 +1568,7 @@ void server_options(char **args,int *argc) argstr[x++] = 'n'; if (preserve_links) argstr[x++] = 'l'; - if (xfer_dirs > (recurse || !delete_mode || !am_sender)) + if (xfer_dirs > (recurse || !delete_mode || !am_sender ? 1 : 0)) argstr[x++] = 'd'; if (am_sender) { if (keep_dirlinks) @@ -1527,8 +1590,11 @@ void server_options(char **args,int *argc) * default for remote transfers, and in any case old versions * of rsync will not understand it. */ - if (preserve_hard_links) + if (preserve_hard_links) { argstr[x++] = 'H'; + if (preserve_hard_links > 1) + argstr[x++] = 'H'; + } if (preserve_uid) argstr[x++] = 'o'; if (preserve_gid) @@ -1541,6 +1607,14 @@ void server_options(char **args,int *argc) argstr[x++] = 'p'; else if (preserve_executability && am_sender) argstr[x++] = 'E'; +#ifdef SUPPORT_ACLS + if (preserve_acls) + argstr[x++] = 'A'; +#endif +#ifdef SUPPORT_XATTRS + if (preserve_xattrs) + argstr[x++] = 'X'; +#endif if (recurse) argstr[x++] = 'r'; if (always_checksum) @@ -1613,7 +1687,7 @@ void server_options(char **args,int *argc) args[ac++] = arg; } - if (max_delete && am_sender) { + if (max_delete >= 0 && am_sender) { if (asprintf(&arg, "--max-delete=%d", max_delete) < 0) goto oom; args[ac++] = arg; @@ -1655,16 +1729,18 @@ void server_options(char **args,int *argc) } if (am_sender) { - if (delete_excluded) - args[ac++] = "--delete-excluded"; - else if (delete_before == 1 || delete_after) - args[ac++] = "--delete"; - if (delete_before > 1) + if (delete_before) args[ac++] = "--delete-before"; - if (delete_during) + else if (delete_during == 2) + args[ac++] = "--delete-delay"; + else if (delete_during) args[ac++] = "--delete-during"; - if (delete_after) + else if (delete_after) args[ac++] = "--delete-after"; + else if (delete_mode && !delete_excluded) + args[ac++] = "--delete"; + if (delete_excluded) + args[ac++] = "--delete-excluded"; if (force_delete) args[ac++] = "--force"; if (write_batch < 0) @@ -1780,10 +1856,10 @@ char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr) { char *p; int not_host; + int hostlen; if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) { char *path; - int hostlen; s += strlen(URL_PREFIX); if ((p = strchr(s, '/')) != NULL) { hostlen = p - s; @@ -1811,6 +1887,8 @@ char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr) } if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') { + s++; + hostlen = p - s; *p = '\0'; not_host = strchr(s, '/') || !strchr(s, ':'); *p = ']'; @@ -1820,6 +1898,7 @@ char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr) } else { if (!(p = strchr(s, ':'))) return NULL; + hostlen = p - s; *p = '\0'; not_host = strchr(s, '/') != NULL; *p = ':'; @@ -1827,8 +1906,8 @@ char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr) return NULL; } - *host_ptr = new_array(char, p - s + 1); - strlcpy(*host_ptr, s, p - s + 1); + *host_ptr = new_array(char, hostlen + 1); + strlcpy(*host_ptr, s, hostlen + 1); if (p[1] == ':') { if (port_ptr && !*port_ptr)