2 * Main routine for finding files on a file system.
3 * The heart of the work to find the files on the
4 * system is done in find_one.c. Here we have the
5 * higher level control as well as the matching
6 * routines for the new syntax Options resource.
11 Copyright (C) 2000-2004 Kern Sibbald and John Walker
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of
16 the License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public
24 License along with this program; if not, write to the Free
25 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
34 int32_t name_max; /* filename max length */
35 int32_t path_max; /* path name max length */
38 /* ****FIXME**** debug until stable */
40 #define bmalloc(x) sm_malloc(__FILE__, __LINE__, x)
41 static int our_callback(FF_PKT *ff, void *hpkt);
42 static bool accept_file(FF_PKT *ff);
44 /* Fold case in fnmatch() on Win32 */
46 static const int fnmode = FNM_CASEFOLD;
48 static const int fnmode = 0;
53 * Initialize the find files "global" variables
55 FF_PKT *init_find_files()
59 ff = (FF_PKT *)bmalloc(sizeof(FF_PKT));
60 memset(ff, 0, sizeof(FF_PKT));
62 ff->sys_fname = get_pool_memory(PM_FNAME);
64 init_include_exclude_files(ff); /* init lists */
66 /* Get system path and filename maximum lengths */
67 path_max = pathconf(".", _PC_PATH_MAX);
68 if (path_max < 1024) {
72 name_max = pathconf(".", _PC_NAME_MAX);
73 if (name_max < 1024) {
76 path_max++; /* add for EOS */
77 name_max++; /* add for EOS */
79 Dmsg1(100, "init_find_files ff=%p\n", ff);
84 * Set find_files options. For the moment, we only
85 * provide for full/incremental saves, and setting
86 * of save_time. For additional options, see above
89 set_find_options(FF_PKT *ff, int incremental, time_t save_time)
91 Dmsg0(100, "Enter set_find_options()\n");
92 ff->incremental = incremental;
93 ff->save_time = save_time;
94 Dmsg0(100, "Leave set_find_options()\n");
99 * Find all specified files (determined by calls to name_add()
100 * This routine calls the (handle_file) subroutine with all
101 * sorts of good information for the final disposition of
104 * Call this subroutine with a callback subroutine as the first
105 * argument and a packet as the second argument, this packet
106 * will be passed back to the callback subroutine as the last
109 * The callback subroutine gets called with:
110 * arg1 -- the FF_PKT containing filename, link, stat, ftype, flags, etc
111 * arg2 -- the user supplied packet
115 find_files(JCR *jcr, FF_PKT *ff, int callback(FF_PKT *ff_pkt, void *hpkt), void *his_pkt)
117 ff->callback = callback;
119 /* This is the new way */
120 findFILESET *fileset = ff->fileset;
124 ff->VerifyOpts[0] = 'V';
125 ff->VerifyOpts[1] = 0;
126 for (i=0; i<fileset->include_list.size(); i++) {
127 findINCEXE *incexe = (findINCEXE *)fileset->include_list.get(i);
128 fileset->incexe = incexe;
130 * By setting all options, we in effect or the global options
131 * which is what we want.
133 for (j=0; j<incexe->opts_list.size(); j++) {
134 findFOPTS *fo = (findFOPTS *)incexe->opts_list.get(j);
135 ff->flags |= fo->flags;
136 ff->GZIP_level = fo->GZIP_level;
137 bstrncat(ff->VerifyOpts, fo->VerifyOpts, sizeof(ff->VerifyOpts));
139 for (j=0; j<incexe->name_list.size(); j++) {
140 Dmsg1(100, "F %s\n", (char *)incexe->name_list.get(j));
141 char *fname = (char *)incexe->name_list.get(j);
142 if (find_one_file(jcr, ff, our_callback, his_pkt, fname, (dev_t)-1, 1) == 0) {
143 return 0; /* error return */
148 struct s_included_file *inc = NULL;
150 /* This is the old deprecated way */
151 while (!job_canceled(jcr) && (inc = get_next_included_file(ff, inc))) {
152 /* Copy options for this file */
153 bstrncat(ff->VerifyOpts, inc->VerifyOpts, sizeof(ff->VerifyOpts));
154 Dmsg1(100, "find_files: file=%s\n", inc->fname);
155 if (!file_is_excluded(ff, inc->fname)) {
156 if (find_one_file(jcr, ff, callback, his_pkt, inc->fname, (dev_t)-1, 1) ==0) {
157 return 0; /* error return */
165 static bool accept_file(FF_PKT *ff)
169 findFILESET *fileset = ff->fileset;
170 findINCEXE *incexe = fileset->incexe;
172 for (j=0; j<incexe->opts_list.size(); j++) {
173 findFOPTS *fo = (findFOPTS *)incexe->opts_list.get(j);
174 ff->flags = fo->flags;
175 ff->GZIP_level = fo->GZIP_level;
176 ff->reader = fo->reader;
177 ff->writer = fo->writer;
178 ic = (ff->flags & FO_IGNORECASE) ? FNM_CASEFOLD : 0;
179 for (k=0; k<fo->wild.size(); k++) {
180 if (fnmatch((char *)fo->wild.get(k), ff->fname, fnmode|ic) == 0) {
181 if (ff->flags & FO_EXCLUDE) {
182 Dmsg2(100, "Exclude wild: %s file=%s\n", (char *)fo->wild.get(k),
184 return false; /* reject file */
186 return true; /* accept file */
190 for (k=0; k<fo->regex.size(); k++) {
191 const int nmatch = 30;
192 regmatch_t pmatch[nmatch];
193 if (regexec((regex_t *)fo->regex.get(k), ff->fname, nmatch, pmatch, 0) == 0) {
194 if (ff->flags & FO_EXCLUDE) {
195 return false; /* reject file */
197 return true; /* accept file */
203 for (i=0; i<fileset->exclude_list.size(); i++) {
204 findINCEXE *incexe = (findINCEXE *)fileset->exclude_list.get(i);
205 for (j=0; j<incexe->opts_list.size(); j++) {
206 findFOPTS *fo = (findFOPTS *)incexe->opts_list.get(j);
207 ic = (fo->flags & FO_IGNORECASE) ? FNM_CASEFOLD : 0;
208 for (k=0; k<fo->wild.size(); k++) {
209 if (fnmatch((char *)fo->wild.get(k), ff->fname, fnmode|ic) == 0) {
210 Dmsg1(100, "Reject wild1: %s\n", ff->fname);
211 return false; /* reject file */
215 ic = (incexe->current_opts != NULL && incexe->current_opts->flags & FO_IGNORE
217 for (j=0; j<incexe->name_list.size(); j++) {
218 if (fnmatch((char *)incexe->name_list.get(j), ff->fname, fnmode|ic) == 0) {
219 Dmsg1(100, "Reject wild2: %s\n", ff->fname);
220 return false; /* reject file */
228 * The code comes here for each file examined.
229 * We filter the files, then call the user's callback if
230 * the file is included.
232 static int our_callback(FF_PKT *ff, void *hpkt)
243 // return ff->callback(ff, hpkt);
245 /* These items can be filtered */
256 if (accept_file(ff)) {
257 return ff->callback(ff, hpkt);
259 Dmsg1(100, "Skip file %s\n", ff->fname);
260 return -1; /* ignore this file */
264 Dmsg1(000, "Unknown FT code %d\n", ff->type);
271 * Terminate find_files() and release
272 * all allocated memory
275 term_find_files(FF_PKT *ff)
279 term_include_exclude_files(ff);
280 free_pool_memory(ff->sys_fname);
281 hard_links = term_find_one(ff);