-/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
-
- 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.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/*
- a lot of this stuff was derived from GNU tar
- */
+/* -*- c-file-style: "linux" -*-
+ *
+ * Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
+ * Copyright (C) 1996 by Paul Mackerras
+ * Copyright (C) 2002 by Martin Pool
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* a lot of this stuff was originally derived from GNU tar, although
+ it has now changed so much that it is hard to tell :) */
+
+/* include/exclude cluestick added by Martin Pool <mbp@samba.org> */
#include "rsync.h"
extern int verbose;
+extern int eol_nulls;
+extern int list_only;
+extern int recurse;
+
+extern char curr_dir[];
-static char **exclude_list;
+struct exclude_list_struct exclude_list = { 0, 0, "" };
+struct exclude_list_struct local_exclude_list = { 0, 0, "per-dir .cvsignore " };
+struct exclude_list_struct server_exclude_list = { 0, 0, "server " };
+char *exclude_path_prefix = NULL;
-static int is_regex(char *str)
+/** Build an exclude structure given an exclude pattern. */
+static void make_exclude(struct exclude_list_struct *listp, const char *pat,
+ unsigned int pat_len, unsigned int mflags)
{
- return strchr(str, '*') || strchr(str, '[') || strchr(str, '?');
+ struct exclude_struct *ret;
+ const char *cp;
+ unsigned int ex_len;
+
+ ret = new(struct exclude_struct);
+ if (!ret)
+ out_of_memory("make_exclude");
+
+ memset(ret, 0, sizeof ret[0]);
+
+ if (exclude_path_prefix)
+ mflags |= MATCHFLG_ABS_PATH;
+ if (exclude_path_prefix && *pat == '/')
+ ex_len = strlen(exclude_path_prefix);
+ else
+ ex_len = 0;
+ ret->pattern = new_array(char, ex_len + pat_len + 1);
+ if (!ret->pattern)
+ out_of_memory("make_exclude");
+ if (ex_len)
+ memcpy(ret->pattern, exclude_path_prefix, ex_len);
+ strlcpy(ret->pattern + ex_len, pat, pat_len + 1);
+ pat_len += ex_len;
+
+ if (strpbrk(ret->pattern, "*[?")) {
+ mflags |= MATCHFLG_WILD;
+ if ((cp = strstr(ret->pattern, "**")) != NULL) {
+ mflags |= MATCHFLG_WILD2;
+ /* If the pattern starts with **, note that. */
+ if (cp == ret->pattern)
+ mflags |= MATCHFLG_WILD2_PREFIX;
+ }
+ }
+
+ if (pat_len > 1 && ret->pattern[pat_len-1] == '/') {
+ ret->pattern[pat_len-1] = 0;
+ mflags |= MATCHFLG_DIRECTORY;
+ }
+
+ for (cp = ret->pattern; (cp = strchr(cp, '/')) != NULL; cp++)
+ ret->slash_cnt++;
+
+ ret->match_flags = mflags;
+
+ if (!listp->tail)
+ listp->head = listp->tail = ret;
+ else {
+ listp->tail->next = ret;
+ listp->tail = ret;
+ }
}
+static void free_exclude(struct exclude_struct *ex)
+{
+ free(ex->pattern);
+ free(ex);
+}
-static int check_one_exclude(char *name,char *pattern)
+void clear_exclude_list(struct exclude_list_struct *listp)
{
- char *p;
+ struct exclude_struct *ent, *next;
- if (!strchr(pattern,'/') && (p=strrchr(name,'/')))
- name = p+1;
+ for (ent = listp->head; ent; ent = next) {
+ next = ent->next;
+ free_exclude(ent);
+ }
- if (!name[0]) return 0;
+ listp->head = listp->tail = NULL;
+}
- if (*pattern == '/' && *name != '/') pattern++;
+static int check_one_exclude(char *name, struct exclude_struct *ex,
+ int name_is_dir)
+{
+ char *p, full_name[MAXPATHLEN];
+ int match_start = 0;
+ char *pattern = ex->pattern;
+
+ if (!*name)
+ return 0;
+
+ /* If the pattern does not have any slashes AND it does not have
+ * a "**" (which could match a slash), then we just match the
+ * name portion of the path. */
+ if (!ex->slash_cnt && !(ex->match_flags & MATCHFLG_WILD2)) {
+ if ((p = strrchr(name,'/')) != NULL)
+ name = p+1;
+ }
+ else if (ex->match_flags & MATCHFLG_ABS_PATH && *name != '/'
+ && curr_dir[1]) {
+ pathjoin(full_name, sizeof full_name, curr_dir + 1, name);
+ name = full_name;
+ }
+
+ if (ex->match_flags & MATCHFLG_DIRECTORY && !name_is_dir)
+ return 0;
+
+ if (*pattern == '/') {
+ match_start = 1;
+ pattern++;
+ if (*name == '/')
+ name++;
+ }
+
+ if (ex->match_flags & MATCHFLG_WILD) {
+ /* A non-anchored match with an infix slash and no "**"
+ * needs to match the last slash_cnt+1 name elements. */
+ if (!match_start && ex->slash_cnt
+ && !(ex->match_flags & MATCHFLG_WILD2)) {
+ int cnt = ex->slash_cnt + 1;
+ for (p = name + strlen(name) - 1; p >= name; p--) {
+ if (*p == '/' && !--cnt)
+ break;
+ }
+ name = p+1;
+ }
+ if (wildmatch(pattern, name))
+ return 1;
+ if (ex->match_flags & MATCHFLG_WILD2_PREFIX) {
+ /* If the **-prefixed pattern has a '/' as the next
+ * character, then try to match the rest of the
+ * pattern at the root. */
+ if (pattern[2] == '/' && wildmatch(pattern+3, name))
+ return 1;
+ }
+ else if (!match_start && ex->match_flags & MATCHFLG_WILD2) {
+ /* A non-anchored match with an infix or trailing "**"
+ * (but not a prefixed "**") needs to try matching
+ * after every slash. */
+ while ((name = strchr(name, '/')) != NULL) {
+ name++;
+ if (wildmatch(pattern, name))
+ return 1;
+ }
+ }
+ } else if (match_start) {
+ if (strcmp(name,pattern) == 0)
+ return 1;
+ } else {
+ int l1 = strlen(name);
+ int l2 = strlen(pattern);
+ if (l2 <= l1 &&
+ strcmp(name+(l1-l2),pattern) == 0 &&
+ (l1==l2 || name[l1-(l2+1)] == '/')) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
- if (is_regex(pattern)) {
- if (fnmatch(pattern, name, 0) == 0)
- return 1;
- } else {
- int l1 = strlen(name);
- int l2 = strlen(pattern);
- if (l2 <= l1 &&
- strcmp(name+(l1-l2),pattern) == 0 &&
- (l1==l2 || name[l1-(l2+1)] == '/'))
- return 1;
- }
- return 0;
+static void report_exclude_result(char const *name,
+ struct exclude_struct const *ent,
+ int name_is_dir, const char *type)
+{
+ /* If a trailing slash is present to match only directories,
+ * then it is stripped out by make_exclude. So as a special
+ * case we add it back in here. */
+
+ if (verbose >= 2) {
+ rprintf(FINFO, "[%s] %scluding %s %s because of %spattern %s%s\n",
+ who_am_i(),
+ ent->match_flags & MATCHFLG_INCLUDE ? "in" : "ex",
+ name_is_dir ? "directory" : "file", name, type,
+ ent->pattern,
+ ent->match_flags & MATCHFLG_DIRECTORY ? "/" : "");
+ }
}
-int check_exclude(char *name,char **local_exclude_list)
+/*
+ * Return -1 if file "name" is defined to be excluded by the specified
+ * exclude list, 1 if it is included, and 0 if it was not matched.
+ */
+int check_exclude(struct exclude_list_struct *listp, char *name, int name_is_dir)
{
- int n;
-
- if (exclude_list) {
- for (n=0; exclude_list[n]; n++)
- if (check_one_exclude(name,exclude_list[n]))
- return 1;
- }
+ struct exclude_struct *ent;
- if (local_exclude_list) {
- for (n=0; local_exclude_list[n]; n++)
- if (check_one_exclude(name,local_exclude_list[n]))
- return 1;
- }
+ for (ent = listp->head; ent; ent = ent->next) {
+ if (check_one_exclude(name, ent, name_is_dir)) {
+ report_exclude_result(name, ent, name_is_dir,
+ listp->debug_type);
+ return ent->match_flags & MATCHFLG_INCLUDE ? 1 : -1;
+ }
+ }
- return 0;
+ return 0;
}
-void add_exclude_list(char *pattern,char ***list)
+/* Get the next include/exclude arg from the string. The token will not
+ * be '\0' terminated, so use the returned length to limit the string.
+ * Also, be sure to add this length to the returned pointer before passing
+ * it back to ask for the next token. This routine parses the "!" (list-
+ * clearing) token and (if xflags does NOT contain XFLG_WORDS_ONLY) the
+ * +/- prefixes for overriding the include/exclude mode. The *flag_ptr
+ * value will also be set to the MATCHFLG_* bits for the current token.
+ */
+static const char *get_exclude_tok(const char *p, unsigned int *len_ptr,
+ unsigned int *flag_ptr, int xflags)
{
- int len=0;
- if (list && *list)
- for (; (*list)[len]; len++) ;
-
- if (strcmp(pattern,"!") == 0) {
- if (verbose > 2)
- rprintf(FINFO,"clearing exclude list\n");
- while ((len)--)
- free((*list)[len]);
- free((*list));
- *list = NULL;
- return;
- }
-
- if (!*list) {
- *list = (char **)malloc(sizeof(char *)*2);
- } else {
- *list = (char **)realloc(*list,sizeof(char *)*(len+2));
- }
-
- if (!*list || !((*list)[len] = strdup(pattern)))
- out_of_memory("add_exclude");
-
- if (verbose > 2)
- rprintf(FINFO,"add_exclude(%s)\n",pattern);
-
- (*list)[len+1] = NULL;
+ const unsigned char *s = (const unsigned char *)p;
+ unsigned int len, mflags = 0;
+
+ if (xflags & XFLG_WORD_SPLIT) {
+ /* Skip over any initial whitespace. */
+ while (isspace(*s))
+ s++;
+ /* Update for "!" check. */
+ p = (const char *)s;
+ }
+
+ /* Is this a '+' or '-' followed by a space (not whitespace)? */
+ if (!(xflags & XFLG_WORDS_ONLY)
+ && (*s == '-' || *s == '+') && s[1] == ' ') {
+ if (*s == '+')
+ mflags |= MATCHFLG_INCLUDE;
+ s += 2;
+ } else if (xflags & XFLG_DEF_INCLUDE)
+ mflags |= MATCHFLG_INCLUDE;
+ if (xflags & XFLG_DIRECTORY)
+ mflags |= MATCHFLG_DIRECTORY;
+
+ if (xflags & XFLG_WORD_SPLIT) {
+ const unsigned char *cp = s;
+ /* Token ends at whitespace or the end of the string. */
+ while (!isspace(*cp) && *cp != '\0')
+ cp++;
+ len = cp - s;
+ } else
+ len = strlen(s);
+
+ if (*p == '!' && len == 1)
+ mflags |= MATCHFLG_CLEAR_LIST;
+
+ *len_ptr = len;
+ *flag_ptr = mflags;
+ return (const char *)s;
}
-void add_exclude(char *pattern)
-{
- add_exclude_list(pattern,&exclude_list);
-}
-char **make_exclude_list(char *fname,char **list1,int fatal)
+void add_exclude(struct exclude_list_struct *listp, const char *pattern,
+ int xflags)
{
- char **list=list1;
- FILE *f = fopen(fname,"r");
- char line[MAXPATHLEN];
- if (!f) {
- if (fatal) {
- rprintf(FERROR,"%s : %s\n",fname,strerror(errno));
- exit_cleanup(1);
- }
- return list;
- }
-
- while (fgets(line,MAXPATHLEN,f)) {
- int l = strlen(line);
- if (l && line[l-1] == '\n') l--;
- line[l] = 0;
- if (line[0]) add_exclude_list(line,&list);
- }
- fclose(f);
- return list;
+ unsigned int pat_len, mflags;
+ const char *cp;
+
+ if (!pattern)
+ return;
+
+ cp = pattern;
+ pat_len = 0;
+ while (1) {
+ cp = get_exclude_tok(cp + pat_len, &pat_len, &mflags, xflags);
+ if (!pat_len)
+ break;
+
+ if (mflags & MATCHFLG_CLEAR_LIST) {
+ if (verbose > 2) {
+ rprintf(FINFO,
+ "[%s] clearing %sexclude list\n",
+ who_am_i(), listp->debug_type);
+ }
+ clear_exclude_list(listp);
+ continue;
+ }
+
+ make_exclude(listp, cp, pat_len, mflags);
+
+ if (verbose > 2) {
+ rprintf(FINFO, "[%s] add_exclude(%.*s, %s%sclude)\n",
+ who_am_i(), (int)pat_len, cp, listp->debug_type,
+ mflags & MATCHFLG_INCLUDE ? "in" : "ex");
+ }
+ }
}
-void add_exclude_file(char *fname,int fatal)
+void add_exclude_file(struct exclude_list_struct *listp, const char *fname,
+ int xflags)
{
- exclude_list = make_exclude_list(fname,exclude_list,fatal);
+ FILE *fp;
+ char line[MAXPATHLEN+3]; /* Room for "x " prefix and trailing slash. */
+ char *eob = line + sizeof line - 1;
+ int word_split = xflags & XFLG_WORD_SPLIT;
+
+ if (!fname || !*fname)
+ return;
+
+ if (*fname != '-' || fname[1])
+ fp = fopen(fname, "rb");
+ else
+ fp = stdin;
+ if (!fp) {
+ if (xflags & XFLG_FATAL_ERRORS) {
+ rsyserr(FERROR, errno,
+ "failed to open %s file %s",
+ xflags & XFLG_DEF_INCLUDE ? "include" : "exclude",
+ fname);
+ exit_cleanup(RERR_FILEIO);
+ }
+ return;
+ }
+
+ while (1) {
+ char *s = line;
+ int ch, overflow = 0;
+ while (1) {
+ if ((ch = getc(fp)) == EOF) {
+ if (ferror(fp) && errno == EINTR)
+ continue;
+ break;
+ }
+ if (word_split && isspace(ch))
+ break;
+ if (eol_nulls? !ch : (ch == '\n' || ch == '\r'))
+ break;
+ if (s < eob)
+ *s++ = ch;
+ else
+ overflow = 1;
+ }
+ if (overflow) {
+ rprintf(FERROR, "discarding over-long exclude: %s...\n", line);
+ s = line;
+ }
+ *s = '\0';
+ /* Skip an empty token and (when line parsing) comments. */
+ if (*line && (word_split || (*line != ';' && *line != '#')))
+ add_exclude(listp, line, xflags);
+ if (ch == EOF)
+ break;
+ }
+ fclose(fp);
}
void send_exclude_list(int f)
{
- int i;
- if (exclude_list)
- for (i=0;exclude_list[i];i++) {
- int l = strlen(exclude_list[i]);
- if (l == 0) continue;
- write_int(f,l);
- write_buf(f,exclude_list[i],l);
- }
- write_int(f,0);
+ struct exclude_struct *ent;
+
+ /* This is a complete hack - blame Rusty.
+ *
+ * FIXME: This pattern shows up in the output of
+ * report_exclude_result(), which is not ideal. */
+ if (list_only && !recurse)
+ add_exclude(&exclude_list, "/*/*", 0);
+
+ for (ent = exclude_list.head; ent; ent = ent->next) {
+ unsigned int l;
+ char p[MAXPATHLEN+1];
+
+ l = strlcpy(p, ent->pattern, sizeof p);
+ if (l == 0 || l >= MAXPATHLEN)
+ continue;
+ if (ent->match_flags & MATCHFLG_DIRECTORY) {
+ p[l++] = '/';
+ p[l] = '\0';
+ }
+
+ if (ent->match_flags & MATCHFLG_INCLUDE) {
+ write_int(f, l + 2);
+ write_buf(f, "+ ", 2);
+ } else if ((*p == '-' || *p == '+') && p[1] == ' ') {
+ write_int(f, l + 2);
+ write_buf(f, "- ", 2);
+ } else
+ write_int(f, l);
+ write_buf(f, p, l);
+ }
+
+ write_int(f, 0);
}
void recv_exclude_list(int f)
{
- char line[MAXPATHLEN];
- int l;
- while ((l=read_int(f))) {
- if (l >= MAXPATHLEN) overflow("recv_exclude_list");
- read_sbuf(f,line,l);
- add_exclude(line);
- }
+ char line[MAXPATHLEN+3]; /* Room for "x " prefix and trailing slash. */
+ unsigned int l;
+
+ while ((l = read_int(f)) != 0) {
+ if (l >= sizeof line)
+ overflow("recv_exclude_list");
+ read_sbuf(f, line, l);
+ add_exclude(&exclude_list, line, 0);
+ }
}
-static char *cvs_ignore_list[] = {
- "RCS","SCCS","CVS","CVS.adm","RCSLOG","cvslog.*",
- "tags","TAGS",".make.state",".nse_depinfo",
- "*~", "#*", ".#*", ",*", "*.old", "*.bak", "*.BAK", "*.orig",
- "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln",
- "core",NULL};
-
-
+static char default_cvsignore[] =
+ /* These default ignored items come from the CVS manual. */
+ "RCS SCCS CVS CVS.adm RCSLOG cvslog.* tags TAGS"
+ " .make.state .nse_depinfo *~ #* .#* ,* _$* *$"
+ " *.old *.bak *.BAK *.orig *.rej .del-*"
+ " *.a *.olb *.o *.obj *.so *.exe"
+ " *.Z *.elc *.ln core"
+ /* The rest we added to suit ourself. */
+ " .svn/";
void add_cvs_excludes(void)
{
- char fname[MAXPATHLEN];
- char *p;
- int i;
-
- for (i=0; cvs_ignore_list[i]; i++)
- add_exclude(cvs_ignore_list[i]);
-
- if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) {
- sprintf(fname,"%s/.cvsignore",p);
- add_exclude_file(fname,0);
- }
-
- if ((p=getenv("CVSIGNORE"))) {
- char *tok;
- for (tok=strtok(p," "); tok; tok=strtok(NULL," "))
- add_exclude(tok);
- }
+ char fname[MAXPATHLEN];
+ char *p;
+
+ add_exclude(&exclude_list, default_cvsignore,
+ XFLG_WORD_SPLIT | XFLG_WORDS_ONLY);
+
+ if ((p = getenv("HOME"))
+ && pathjoin(fname, sizeof fname, p, ".cvsignore") < sizeof fname) {
+ add_exclude_file(&exclude_list, fname,
+ XFLG_WORD_SPLIT | XFLG_WORDS_ONLY);
+ }
+
+ add_exclude(&exclude_list, getenv("CVSIGNORE"),
+ XFLG_WORD_SPLIT | XFLG_WORDS_ONLY);
}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff