2 * Copyright (c) 2007-2012 Zmanda, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 as published
6 * by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
10 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 * Contact information: Zmanda Inc, 465 S. Mathilda Ave., Suite 300
18 * Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
20 * Author: Dustin J. Mitchell <dustin@zmanda.com>
25 * Utility routines for handling command lines.
40 char *write_timestamp)
44 rv = g_new0(dumpspec_t, 1);
45 if (host) rv->host = stralloc(host);
46 if (disk) rv->disk = stralloc(disk);
47 if (datestamp) rv->datestamp = stralloc(datestamp);
48 if (level) rv->level = stralloc(level);
49 if (write_timestamp) rv->write_timestamp = stralloc(write_timestamp);
58 if (!dumpspec) return;
59 if (dumpspec->host) free(dumpspec->host);
60 if (dumpspec->disk) free(dumpspec->disk);
61 if (dumpspec->datestamp) free(dumpspec->datestamp);
62 if (dumpspec->level) free(dumpspec->level);
63 if (dumpspec->write_timestamp) free(dumpspec->write_timestamp);
69 GSList *dumpspec_list)
71 /* first free all of the individual dumpspecs */
72 g_slist_foreach_nodata(dumpspec_list, dumpspec_free);
74 /* then free the list itself */
75 g_slist_free(dumpspec_list);
79 cmdline_parse_dumpspecs(
84 dumpspec_t *dumpspec = NULL;
89 enum { ARG_GET_HOST, ARG_GET_DISK, ARG_GET_DATESTAMP, ARG_GET_LEVEL } arg_state = ARG_GET_HOST;
91 while (optind < argc) {
95 arg_state = ARG_GET_DISK;
96 dumpspec = dumpspec_new(name, NULL, NULL, NULL, NULL);
97 list = g_slist_append(list, (gpointer)dumpspec);
101 arg_state = ARG_GET_DATESTAMP;
102 dumpspec->disk = stralloc(name);
105 case ARG_GET_DATESTAMP:
106 arg_state = ARG_GET_LEVEL;
107 if (!(flags & CMDLINE_PARSE_DATESTAMP)) continue;
108 dumpspec->datestamp = stralloc(name);
112 arg_state = ARG_GET_HOST;
113 if (!(flags & CMDLINE_PARSE_LEVEL)) continue;
115 && (errstr=validate_regexp(name)) != NULL) {
116 error(_("bad level regex \"%s\": %s\n"), name, errstr);
118 dumpspec->level = stralloc(name);
125 /* if nothing was processed and the caller has requested it,
126 * then add an "empty" element */
127 if (list == NULL && (flags & CMDLINE_EMPTY_TO_WILDCARD)) {
128 dumpspec = dumpspec_new("", "",
129 (flags & CMDLINE_PARSE_DATESTAMP)?"":NULL,
130 (flags & CMDLINE_PARSE_LEVEL)?"":NULL, "");
131 list = g_slist_append(list, (gpointer)dumpspec);
138 cmdline_format_dumpspec(
139 dumpspec_t *dumpspec)
141 if (!dumpspec) return NULL;
142 return cmdline_format_dumpspec_components(
149 /* Quote str for shell interpretation, being conservative.
150 * Any non-alphanumeric charcacters other than '.' and '/'
151 * trigger surrounding single quotes, and single quotes and
152 * backslashes within those single quotes are escaped.
155 quote_dumpspec_string(char *str)
160 int need_single_quotes = 0;
163 return stralloc("''"); /* special-case the empty string */
165 for (p = str; *p; p++) {
166 if (!isalnum((int)*p) && *p != '.' && *p != '/') need_single_quotes=1;
167 if (*p == '\'' || *p == '\\') len++; /* extra byte for '\' */
170 if (need_single_quotes) len += 2;
172 q = rv = malloc(len+1);
173 if (need_single_quotes) *(q++) = '\'';
174 for (p = str; *p; p++) {
175 if (*p == '\'' || *p == '\\') *(q++) = '\\';
178 if (need_single_quotes) *(q++) = '\'';
185 cmdline_format_dumpspec_components(
193 host = host? quote_dumpspec_string(host):NULL;
194 disk = disk? quote_dumpspec_string(disk):NULL;
195 datestamp = datestamp? quote_dumpspec_string(datestamp):NULL;
196 level = level? quote_dumpspec_string(level):NULL;
202 rv = newvstralloc(rv, rv, " ", disk, NULL);
204 rv = newvstralloc(rv, rv, " ", datestamp, NULL);
206 rv = newvstralloc(rv, rv, " ", level, NULL);
212 if (host) amfree(host);
213 if (disk) amfree(disk);
214 if (datestamp) amfree(datestamp);
215 if (level) amfree(level);
221 cmdline_match_holding(
222 GSList *dumpspec_list)
226 GSList *holding_files;
227 GSList *matching_files = NULL;
230 holding_files = holding_get_files(NULL, 1);
232 for (hi = holding_files; hi != NULL; hi = hi->next) {
234 if (!holding_file_get_dumpfile((char *)hi->data, &file)) continue;
235 if (file.type != F_DUMPFILE) {
236 dumpfile_free_data(&file);
239 for (li = dumpspec_list; li != NULL; li = li->next) {
240 de = (dumpspec_t *)(li->data);
241 if (de->host && de->host[0] && !match_host(de->host, file.name)) continue;
242 if (de->disk && de->disk[0] && !match_disk(de->disk, file.disk)) continue;
243 if (de->datestamp && de->datestamp[0] && !match_datestamp(de->datestamp, file.datestamp)) continue;
244 matching_files = g_slist_append(matching_files, g_strdup((char *)hi->data));
247 dumpfile_free_data(&file);
250 slist_free_full(holding_files, g_free);
252 return matching_files;