-/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
+/* -*- c-file-style: "linux" -*-
+
+ Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
+ Copyright (C) 1996 by Paul Mackerras
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
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/*
- a lot of this stuff was derived from GNU tar
- */
+/* 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 am_server;
+extern int delete_mode;
-static char **exclude_list;
+static struct exclude_struct **exclude_list;
-static int is_regex(char *str)
+/* build an exclude structure given a exclude pattern */
+static struct exclude_struct *make_exclude(const char *pattern, int include)
{
- return strchr(str, '*') || strchr(str, '[') || strchr(str, '?');
+ struct exclude_struct *ret;
+
+ ret = (struct exclude_struct *)malloc(sizeof(*ret));
+ if (!ret) out_of_memory("make_exclude");
+
+ memset(ret, 0, sizeof(*ret));
+
+ if (strncmp(pattern,"- ",2) == 0) {
+ pattern += 2;
+ } else if (strncmp(pattern,"+ ",2) == 0) {
+ ret->include = 1;
+ pattern += 2;
+ } else {
+ ret->include = include;
+ }
+
+ ret->pattern = strdup(pattern);
+
+ if (!ret->pattern) out_of_memory("make_exclude");
+
+ if (strpbrk(pattern, "*[?")) {
+ ret->regular_exp = 1;
+ ret->fnmatch_flags = FNM_PATHNAME;
+ if (strstr(pattern, "**")) {
+ static int tested;
+ if (!tested) {
+ tested = 1;
+ if (fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME)==0) {
+ rprintf(FERROR,"WARNING: fnmatch FNM_PATHNAME is broken on your system\n");
+ }
+ }
+ ret->fnmatch_flags = 0;
+ }
+ }
+
+ if (strlen(pattern) > 1 && pattern[strlen(pattern)-1] == '/') {
+ ret->pattern[strlen(pattern)-1] = 0;
+ ret->directory = 1;
+ }
+
+ if (!strchr(ret->pattern,'/')) {
+ ret->local = 1;
+ }
+
+ return ret;
}
-
-static int check_one_exclude(char *name,char *pattern)
+static void free_exclude(struct exclude_struct *ex)
{
- char *p;
-
- if (!strchr(pattern,'/') && (p=strrchr(name,'/')))
- name = p+1;
-
- if (!name[0]) return 0;
-
- if (*pattern == '/' && *name != '/') pattern++;
-
- 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;
- }
+ free(ex->pattern);
+ memset(ex,0,sizeof(*ex));
+ free(ex);
+}
- return 0;
+static int check_one_exclude(char *name, struct exclude_struct *ex,
+ STRUCT_STAT *st)
+{
+ char *p;
+ int match_start=0;
+ char *pattern = ex->pattern;
+
+ if (ex->local && (p=strrchr(name,'/')))
+ name = p+1;
+
+ if (!name[0]) return 0;
+
+ if (ex->directory && !S_ISDIR(st->st_mode)) return 0;
+
+ if (*pattern == '/' && *name != '/') {
+ match_start = 1;
+ pattern++;
+ }
+
+ if (ex->regular_exp) {
+ if (fnmatch(pattern, name, ex->fnmatch_flags) == 0) {
+ return 1;
+ }
+ } else {
+ int l1 = strlen(name);
+ int l2 = strlen(pattern);
+ if (l2 <= l1 &&
+ strcmp(name+(l1-l2),pattern) == 0 &&
+ (l1==l2 || (!match_start && name[l1-(l2+1)] == '/'))) {
+ return 1;
+ }
+ }
+
+ return 0;
}
-int check_exclude(char *name,char **local_exclude_list)
+static void report_exclude_result(char const *name,
+ struct exclude_struct const *ent,
+ STRUCT_STAT const *st)
{
- int n;
-
- if (exclude_list) {
- for (n=0; exclude_list[n]; n++)
- if (check_one_exclude(name,exclude_list[n]))
- return 1;
- }
+ /* 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 %s %s because of pattern %s%s\n",
+ ent->include ? "including" : "excluding",
+ S_ISDIR(st->st_mode) ? "directory" : "file",
+ name, ent->pattern,
+ ent->directory ? "/" : "");
+}
- if (local_exclude_list) {
- for (n=0; local_exclude_list[n]; n++)
- if (check_one_exclude(name,local_exclude_list[n]))
- return 1;
- }
- return 0;
+/*
+ * Return true if file NAME is defined to be excluded by either
+ * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST.
+ */
+int check_exclude(char *name, struct exclude_struct **local_exclude_list,
+ STRUCT_STAT *st)
+{
+ int n;
+ struct exclude_struct *ent;
+
+ if (name && (name[0] == '.') && !name[1])
+ /* never exclude '.', even if somebody does --exclude '*' */
+ return 0;
+
+ if (exclude_list) {
+ for (n=0; exclude_list[n]; n++) {
+ ent = exclude_list[n];
+ if (check_one_exclude(name, ent, st)) {
+ report_exclude_result(name, ent, st);
+ return !ent->include;
+ }
+ }
+ }
+
+ if (local_exclude_list) {
+ for (n=0; local_exclude_list[n]; n++) {
+ ent = local_exclude_list[n];
+ if (check_one_exclude(name, ent, st)) {
+ report_exclude_result(name, ent, st);
+ return !ent->include;
+ }
+ }
+ }
+
+ return 0;
}
-void add_exclude_list(char *pattern,char ***list)
+void add_exclude_list(const char *pattern, struct exclude_struct ***list, int include)
{
- int len=0;
- if (list && *list)
- for (; (*list)[len]; len++) ;
-
- if (strcmp(pattern,"!") == 0) {
- if (verbose > 2)
- fprintf(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)
- fprintf(FINFO,"add_exclude(%s)\n",pattern);
-
- (*list)[len+1] = NULL;
+ 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_exclude((*list)[len]);
+ }
+ free((*list));
+ *list = NULL;
+ return;
+ }
+
+ *list = (struct exclude_struct **)Realloc(*list,sizeof(struct exclude_struct *)*(len+2));
+
+ if (!*list || !((*list)[len] = make_exclude(pattern, include)))
+ out_of_memory("add_exclude");
+
+ if (verbose > 2)
+ rprintf(FINFO,"add_exclude(%s)\n",pattern);
+
+ (*list)[len+1] = NULL;
}
-void add_exclude(char *pattern)
+void add_exclude(const char *pattern, int include)
{
- add_exclude_list(pattern,&exclude_list);
+ add_exclude_list(pattern,&exclude_list, include);
}
-char **make_exclude_list(char *fname,char **list1,int fatal)
+struct exclude_struct **make_exclude_list(const char *fname,
+ struct exclude_struct **list1,
+ int fatal, int include)
{
- char **list=list1;
- FILE *f = fopen(fname,"r");
- char line[MAXPATHLEN];
- if (!f) {
- if (fatal) {
- fprintf(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;
+ struct exclude_struct **list=list1;
+ FILE *f = fopen(fname,"r");
+ char line[MAXPATHLEN];
+ if (!f) {
+ if (fatal) {
+ rsyserr(FERROR, errno,
+ "failed to open %s file %s",
+ include ? "include" : "exclude",
+ fname);
+ exit_cleanup(RERR_FILEIO);
+ }
+ return list;
+ }
+
+ while (fgets(line,MAXPATHLEN,f)) {
+ int l = strlen(line);
+ if (l && line[l-1] == '\n') l--;
+ line[l] = 0;
+ if (line[0] && (line[0] != ';') && (line[0] != '#')) {
+ /* Skip lines starting with semicolon or pound.
+ It probably wouldn't cause any harm to not skip
+ them but there's no need to save them. */
+ add_exclude_list(line,&list,include);
+ }
+ }
+ fclose(f);
+ return list;
}
-void add_exclude_file(char *fname,int fatal)
+void add_exclude_file(const char *fname, int fatal, int include)
{
- exclude_list = make_exclude_list(fname,exclude_list,fatal);
+ if (!fname || !*fname) return;
+
+ exclude_list = make_exclude_list(fname,exclude_list,fatal,include);
}
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);
+ int i;
+ extern int remote_version;
+ extern int list_only, recurse;
+
+ /* this is a complete hack - blame Rusty */
+ if (list_only && !recurse) {
+ add_exclude("/*/*", 0);
+ }
+
+ if (!exclude_list) {
+ write_int(f,0);
+ return;
+ }
+
+ for (i=0;exclude_list[i];i++) {
+ int l;
+ char pattern[MAXPATHLEN];
+
+ strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern));
+ if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern));
+
+ l = strlen(pattern);
+ if (l == 0) continue;
+ if (exclude_list[i]->include) {
+ if (remote_version < 19) {
+ rprintf(FERROR,"remote rsync does not support include syntax - aborting\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+ }
+ write_int(f,l+2);
+ write_buf(f,"+ ",2);
+ } else {
+ write_int(f,l);
+ }
+ write_buf(f,pattern,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];
+ unsigned int l;
+
+ while ((l=read_int(f))) {
+ if (l >= MAXPATHLEN) overflow("recv_exclude_list");
+ read_sbuf(f,line,l);
+ add_exclude(line,0);
+ }
+}
+
+/* Get the next include/exclude arg from the string. It works in a similar way
+** to strtok - initially an arg is sent over, from then on NULL. This
+** routine takes into account any +/- in the strings and does not
+** consider the space following it as a delimeter.
+*/
+char *get_exclude_tok(char *p)
+{
+ static char *s;
+ static int more;
+ char *t;
+
+ if (p) {
+ s=p;
+ if (*p)
+ more=1;
+ }
+
+ if (!more)
+ return(NULL);
+
+ /* Skip over any initial spaces */
+ while(isspace(*s))
+ s++;
+
+ /* Are we at the end of the string? */
+ if (*s) {
+ /* remember the beginning of the token */
+ t=s;
+
+ /* Is this a '+' or '-' followed by a space (not whitespace)? */
+ if ((*s=='+' || *s=='-') && *(s+1)==' ')
+ s+=2;
+
+ /* Skip to the next space or the end of the string */
+ while(!isspace(*s) && *s!='\0')
+ s++;
+ } else {
+ t=NULL;
+ }
+
+ /* Have we reached the end of the string? */
+ if (*s)
+ *s++='\0';
+ else
+ more=0;
+ return(t);
+}
+
+
+void add_exclude_line(char *p)
+{
+ char *tok;
+ if (!p || !*p) return;
+ p = strdup(p);
+ if (!p) out_of_memory("add_exclude_line");
+ for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL))
+ add_exclude(tok, 0);
+ free(p);
+}
+
+void add_include_line(char *p)
+{
+ char *tok;
+ if (!p || !*p) return;
+ p = strdup(p);
+ if (!p) out_of_memory("add_include_line");
+ for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL))
+ add_exclude(tok, 1);
+ free(p);
}
void add_cvs_excludes(void)
{
- char fname[MAXPATHLEN];
- char *p;
- int i;
+ 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);
- }
+ for (i=0; cvs_ignore_list[i]; i++)
+ add_exclude(cvs_ignore_list[i], 0);
+
+ if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) {
+ snprintf(fname,sizeof(fname), "%s/.cvsignore",p);
+ add_exclude_file(fname,0,0);
+ }
+
+ add_exclude_line(getenv("CVSIGNORE"));
}
git.samba.org / rsync.git / blobdiff