# Maybe sleep until around specified or default hour.
#
-if [ "$1" != "now" ]; then
- if [ "$1"x != x ]; then
- spec=$1
+if [ "${1}" != "now" ]; then
+ if [ "${1}"x != x ]; then
+ spec=${1}
else
- spec=$BACKUP_HOUR
+ spec=${BACKUP_HOUR}
fi
pausetime=`date | awk '{hr=substr($4,1,2);\\
mn=substr($4,4,2);\\
print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
clear
cat ./dont_touch
- sleep $pausetime
+ sleep ${pausetime}
fi
# start doing things
here=`pwd`
LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-level-1
HOST=`hostname | sed 's/\..*//'`
-TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE"
+TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=${BLOCKING} --sparse --volno-file=${VOLNO_FILE}"
+
+# Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
+if [ x != "x${DUMP_REMIND_SCRIPT}" ]; then
+ TAR_PART1="${TAR_PART1} --info-script=${DUMP_REMIND_SCRIPT}"
+fi
# Make sure the log file did not already exist. Create it.
-if [ -f $LOGFILE ] ; then
- echo Log file $LOGFILE already exists.
+if [ -f ${LOGFILE} ] ; then
+ echo Log file ${LOGFILE} already exists.
exit 1
else
- touch $LOGFILE
+ touch ${LOGFILE}
fi
-mt -f $TAPE_FILE rewind
-rm $VOLNO_FILE
+mt -f ${TAPE_FILE} rewind
+rm ${VOLNO_FILE}
-set $BACKUP_DIRS
+set ${BACKUP_DIRS}
while [ $# -ne 0 ] ; do
- host=`echo $1 | sed 's/:.*$//'`
- fs=`echo $1 | sed 's/^.*://'`
+ host=`echo ${1} | sed 's/:.*$//'`
+ fs=`echo ${1} | sed 's/^.*://'`
date=`date`
- fsname=`echo $1 | sed 's/\//:/g'`
+ fsname=`echo ${1} | sed 's/\//:/g'`
# This filename must be absolute; it is opened on the machine that runs tar.
TAR_PART2="--listed=/etc/tar-backup/temp.level-1"
- TAR_PART3="--label='level 1 backup of $fs on $host at $date' -C $fs ."
+ TAR_PART3="--label='level 1 backup of ${fs} on ${host} at ${date}' -C ${fs} ."
- echo Backing up $1 at $date | tee -a $LOGFILE
- echo Last full dump on this filesystem: | tee -a $LOGFILE
+ echo Backing up ${1} at ${date} | tee -a ${LOGFILE}
+ echo Last full dump on this filesystem: | tee -a ${LOGFILE}
- if [ $HOST != $host ] ; then
- rsh $host "ls -l /etc/tar-backup/$fsname.level-0; \
- cp /etc/tar-backup/$fsname.level-0 /etc/tar-backup/temp.level-1" \
- 2>&1 | tee -a $LOGFILE
+ if [ ${HOST} != ${host} ] ; then
+ rsh ${host} "ls -l /etc/tar-backup/${fsname}.level-0; \
+ cp /etc/tar-backup/${fsname}.level-0 /etc/tar-backup/temp.level-1" \
+ 2>&1 | tee -a ${LOGFILE}
else
- ls -l /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
- cp /etc/tar-backup/$fsname.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+ ls -l /etc/tar-backup/${fsname}.level-0 2>&1 | tee -a ${LOGFILE}
+ cp /etc/tar-backup/${fsname}.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a ${LOGFILE}
fi
# Actually back things up.
- if [ $HOST != $host ] ; then
- rsh $host $TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3 2>&1 | tee -a $LOGFILE
+ if [ ${HOST} != ${host} ] ; then
+ rsh ${host} ${TAR_PART1} -f ${HOST}:${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} 2>&1 | tee -a ${LOGFILE}
else
# Using `sh -c exec' causes nested quoting and shell substitution
# to be handled here in the same way rsh handles it.
- sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
+ sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3}" 2>&1 | tee -a ${LOGFILE}
fi
+ # This doesn't presently work, of course, because $? is set to the exit
+ # status of the last thing in the pipeline of the previous command,
+ # namely `tee'. We really want the exit status of the sh command
+ # running tar, but getting this seems to be nontrivial. --friedman
if [ $? -ne 0 ] ; then
- echo Backup of $1 failed. | tee -a $LOGFILE
+ echo Backup of ${1} failed. | tee -a ${LOGFILE}
# I'm assuming that the tar will have written an empty
# file to the tape, otherwise I should do a cat here.
else
- if [ $HOST != $host ] ; then
- rsh $host mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/$fsname.level-1 2>&1 | tee -a $LOGFILE
+ if [ ${HOST} != ${host} ] ; then
+ rsh ${host} mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/${fsname}.level-1 2>&1 | tee -a ${LOGFILE}
else
- mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/$fsname.level-1 2>&1 | tee -a $LOGFILE
+ mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/${fsname}.level-1 2>&1 | tee -a ${LOGFILE}
fi
fi
- $TAPE_STATUS | tee -a $LOGFILE
+ ${TAPE_STATUS} | tee -a ${LOGFILE}
sleep 60
shift
done
# Dump any individual files requested.
-if [ x != "x$BACKUP_FILES" ] ; then
+if [ x != "x${BACKUP_FILES}" ] ; then
date=`date`
TAR_PART2="--listed=/etc/tar-backup/temp.level-1"
- TAR_PART3="--label='Incremental backup of miscellaneous files at $date'"
+ TAR_PART3="--label='Incremental backup of miscellaneous files at ${date}'"
- echo Backing up miscellaneous files at $date | tee -a $LOGFILE
- echo Last full dump of these files: | tee -a $LOGFILE
- ls -l /etc/tar-backup/misc.level-0 2>&1 | tee -a $LOGFILE
+ echo Backing up miscellaneous files at ${date} | tee -a ${LOGFILE}
+ echo Last full dump of these files: | tee -a ${LOGFILE}
+ ls -l /etc/tar-backup/misc.level-0 2>&1 | tee -a ${LOGFILE}
- rm -f /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
- cp /etc/tar-backup/misc.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+ rm -f /etc/tar-backup/temp.level-1 2>&1 | tee -a ${LOGFILE}
+ cp /etc/tar-backup/misc.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a ${LOGFILE}
- echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+ echo Backing up miscellaneous files at ${date} | tee -a ${LOGFILE}
# Using `sh -c exec' causes nested quoting and shell substitution
# to be handled here in the same way rsh handles it.
- sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
- $BACKUP_FILES" 2>&1 | tee -a $LOGFILE
+ sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} \
+ ${BACKUP_FILES}" 2>&1 | tee -a ${LOGFILE}
+ # This doesn't presently work, of course, because $? is set to the exit
+ # status of the last thing in the pipeline of the previous command,
+ # namely `tee'. We really want the exit status of the sh command
+ # running tar, but getting this seems to be nontrivial. --friedman
if [ $? -ne 0 ] ; then
- echo Backup of miscellaneous files failed. | tee -a $LOGFILE
+ echo Backup of miscellaneous files failed. | tee -a ${LOGFILE}
# I'm assuming that the tar will have written an empty
# file to the tape, otherwise I should do a cat here.
else
- mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/misc.level-1 2>&1 | tee -a $LOGFILE
+ mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/misc.level-1 2>&1 | tee -a ${LOGFILE}
fi
- $TAPE_STATUS | tee -a $LOGFILE
+ ${TAPE_STATUS} | tee -a ${LOGFILE}
else
- echo No miscellaneous files specified | tee -a $LOGFILE
+ echo No miscellaneous files specified | tee -a ${LOGFILE}
false
fi
-mt -f $TAPE_FILE rewind
-mt -f $TAPE_FILE offl
+mt -f ${TAPE_FILE} rewind
+mt -f ${TAPE_FILE} offl
-echo Sending the dump log to $ADMINISTRATOR
-cat $LOGFILE | sed -f logfile.sed > $LOGFILE.tmp
-/usr/ucb/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp
-rm -f $LOGFILE.tmp
+echo Sending the dump log to ${ADMINISTRATOR}
+cat ${LOGFILE} | sed -f logfile.sed > ${LOGFILE}.tmp
+/usr/ucb/mail -s "Results of backup on `date`" ${ADMINISTRATOR} < ${LOGFILE}.tmp
+rm -f ${LOGFILE}.tmp
--- /dev/null
+/* GNU dump extensions to tar.
+ Copyright (C) 1988, 1992 Free Software Foundation
+
+This file is part of GNU Tar.
+
+GNU Tar 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, or (at your option)
+any later version.
+
+GNU Tar 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 GNU Tar; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <ctype.h>
+#include <errno.h>
+#ifndef STDC_HEADERS
+extern int errno;
+#endif
+#include <time.h>
+time_t time();
+
+#include "tar.h"
+#include "port.h"
+
+#if defined(_POSIX_VERSION) || defined(DIRENT)
+#include <dirent.h>
+#ifdef direct
+#undef direct
+#endif /* direct */
+#define direct dirent
+#define DP_NAMELEN(x) strlen((x)->d_name)
+#endif /* _POSIX_VERSION or DIRENT */
+#if !defined(_POSIX_VERSION) && !defined(DIRENT) && defined(BSD42)
+#include <sys/dir.h>
+#define DP_NAMELEN(x) (x)->d_namlen
+#endif /* not _POSIX_VERSION and BSD42 */
+#ifdef __MSDOS__
+#include "msd_dir.h"
+#define DP_NAMELEN(x) (x)->d_namlen
+#define direct dirent
+#endif
+#if defined(USG) && !defined(_POSIX_VERSION) && !defined(DIRENT)
+#include <ndir.h>
+#define DP_NAMELEN(x) strlen((x)->d_name)
+#endif /* USG and not _POSIX_VERSION and not DIRENT */
+
+#ifndef S_ISLNK
+#define lstat stat
+#endif
+
+extern time_t new_time;
+extern FILE *msg_file;
+
+void addname();
+int check_exclude();
+extern PTR ck_malloc();
+extern PTR ck_realloc();
+int confirm();
+extern PTR init_buffer();
+extern char *get_buffer();
+int is_dot_or_dotdot();
+extern void add_buffer();
+extern void flush_buffer();
+void name_gather();
+int recursively_delete();
+void skip_file();
+char *un_quote_string();
+
+extern char *new_name();
+
+static void add_dir_name();
+
+struct dirname {
+ struct dirname *next;
+ char *name;
+ char *dir_text;
+ int dev;
+ int ino;
+ int allnew;
+};
+static struct dirname *dir_list;
+static time_t this_time;
+
+void
+add_dir(name,dev,ino,text)
+char *name;
+char *text;
+dev_t dev;
+ino_t ino;
+{
+ struct dirname *dp;
+
+ dp=(struct dirname *)malloc(sizeof(struct dirname));
+ if(!dp)
+ abort();
+ dp->next=dir_list;
+ dir_list=dp;
+ dp->dev=dev;
+ dp->ino=ino;
+ dp->name=malloc(strlen(name)+1);
+ strcpy(dp->name,name);
+ dp->dir_text=text;
+ dp->allnew=0;
+}
+
+void
+read_dir_file()
+{
+ int dev;
+ int ino;
+ char *strp;
+ FILE *fp;
+ char buf[512];
+ static char *path = 0;
+
+ if (path == 0)
+ path = ck_malloc(PATH_MAX);
+ time(&this_time);
+ if(gnu_dumpfile[0]!='/') {
+#if defined(__MSDOS__) || defined(USG) || defined(_POSIX_VERSION)
+ if(!getcwd(path,PATH_MAX))
+ msg("Couldn't get current directory.");
+ exit(EX_SYSTEM);
+#else
+ char *getwd();
+
+ if(!getwd(path)) {
+ msg("Couldn't get current directory: %s",path);
+ exit(EX_SYSTEM);
+ }
+#endif
+ /* If this doesn't fit, we're in serious trouble */
+ strcat(path,"/");
+ strcat(path,gnu_dumpfile);
+ gnu_dumpfile=path;
+ }
+ fp=fopen(gnu_dumpfile,"r");
+ if(fp==0 && errno!=ENOENT) {
+ msg_perror("Can't open %s",gnu_dumpfile);
+ return;
+ }
+ if(!fp)
+ return;
+ fgets(buf,sizeof(buf),fp);
+ if(!f_new_files) {
+ f_new_files++;
+ new_time=atol(buf);
+ }
+ while(fgets(buf,sizeof(buf),fp)) {
+ strp= &buf[strlen(buf)];
+ if(strp[-1]=='\n')
+ strp[-1]='\0';
+ strp=buf;
+ dev=atol(strp);
+ while(isdigit(*strp))
+ strp++;
+ ino=atol(strp);
+ while(isspace(*strp))
+ strp++;
+ while(isdigit(*strp))
+ strp++;
+ strp++;
+ add_dir(un_quote_string(strp),dev,ino,(char *)0);
+ }
+ fclose(fp);
+}
+
+void
+write_dir_file()
+{
+ FILE *fp;
+ struct dirname *dp;
+ char *str;
+ extern char *quote_copy_string();
+
+ fp=fopen(gnu_dumpfile,"w");
+ if(fp==0) {
+ msg_perror("Can't write to %s",gnu_dumpfile);
+ return;
+ }
+ fprintf(fp,"%lu\n",this_time);
+ for(dp=dir_list;dp;dp=dp->next) {
+ if(!dp->dir_text)
+ continue;
+ str=quote_copy_string(dp->name);
+ if(str) {
+ fprintf(fp,"%u %u %s\n",dp->dev,dp->ino,str);
+ free(str);
+ } else
+ fprintf(fp,"%u %u %s\n",dp->dev,dp->ino,dp->name);
+ }
+ fclose(fp);
+}
+
+struct dirname *
+get_dir(name)
+char *name;
+{
+ struct dirname *dp;
+
+ for(dp=dir_list;dp;dp=dp->next) {
+ if(!strcmp(dp->name,name))
+ return dp;
+ }
+ return 0;
+}
+
+
+/* Collect all the names from argv[] (or whatever), then expand them into
+ a directory tree, and put all the directories at the beginning. */
+void
+collect_and_sort_names()
+{
+ struct name *n,*n_next;
+ int num_names;
+ struct stat statbuf;
+ int name_cmp();
+ char *merge_sort();
+
+ name_gather();
+
+ if(gnu_dumpfile)
+ read_dir_file();
+ if(!namelist) addname(".");
+ for(n=namelist;n;n=n_next) {
+ n_next=n->next;
+ if(n->found || n->dir_contents)
+ continue;
+ if(n->regexp) /* FIXME just skip regexps for now */
+ continue;
+ if(n->change_dir)
+ if(chdir(n->change_dir)<0) {
+ msg_perror("can't chdir to %s",n->change_dir);
+ continue;
+ }
+
+#ifdef AIX
+ if (statx (n->name, &statbuf, STATSIZE, STX_HIDDEN|STX_LINK))
+#else
+ if(lstat(n->name,&statbuf)<0)
+#endif /* AIX */
+ {
+ msg_perror("can't stat %s",n->name);
+ continue;
+ }
+ if(S_ISDIR(statbuf.st_mode)) {
+ n->found++;
+ add_dir_name(n->name,statbuf.st_dev);
+ }
+ }
+
+ num_names=0;
+ for(n=namelist;n;n=n->next)
+ num_names++;
+ namelist=(struct name *)merge_sort((PTR)namelist,num_names,(char *)(&(namelist->next))-(char *)namelist,name_cmp);
+
+ for(n=namelist;n;n=n->next) {
+ n->found=0;
+ }
+ if(gnu_dumpfile)
+ write_dir_file(gnu_dumpfile);
+}
+
+int
+name_cmp(n1,n2)
+struct name *n1,*n2;
+{
+ if(n1->found) {
+ if(n2->found)
+ return strcmp(n1->name,n2->name);
+ else
+ return -1;
+ } else if(n2->found)
+ return 1;
+ else
+ return strcmp(n1->name,n2->name);
+}
+
+int
+dirent_cmp(p1,p2)
+const PTR p1;
+const PTR p2;
+{
+ char *frst,*scnd;
+
+ frst= (*(char **)p1)+1;
+ scnd= (*(char **)p2)+1;
+
+ return strcmp(frst,scnd);
+}
+
+char *
+get_dir_contents(p,device)
+char *p;
+int device;
+{
+ DIR *dirp;
+ register struct direct *d;
+ char *new_buf;
+ char *namebuf;
+ int bufsiz;
+ int len;
+ PTR the_buffer;
+ char *buf;
+ size_t n_strs;
+/* int n_size;*/
+ char *p_buf;
+ char **vec,**p_vec;
+
+ extern int errno;
+
+ errno=0;
+ dirp=opendir(p);
+ bufsiz=strlen(p)+NAMSIZ;
+ namebuf=ck_malloc(bufsiz+2);
+ if(!dirp) {
+ if(errno)
+ msg_perror("can't open directory %s",p);
+ else
+ msg("error opening directory %s",p);
+ new_buf=NULL;
+ } else {
+ struct dirname *dp;
+ int all_children;
+
+ dp=get_dir(p);
+ all_children= dp ? dp->allnew : 0;
+ (void) strcpy(namebuf,p);
+ if(p[strlen(p)-1]!='/')
+ (void) strcat(namebuf,"/");
+ len=strlen(namebuf);
+
+ the_buffer=init_buffer();
+ while(d=readdir(dirp)) {
+ struct stat hs;
+
+ /* Skip . and .. */
+ if(is_dot_or_dotdot(d->d_name))
+ continue;
+ if(DP_NAMELEN(d) + len >=bufsiz) {
+ bufsiz+=NAMSIZ;
+ namebuf=ck_realloc(namebuf,bufsiz+2);
+ }
+ (void) strcpy(namebuf+len,d->d_name);
+#ifdef AIX
+ if (0 != f_follow_links?
+ statx(namebuf, &hs, STATSIZE, STX_HIDDEN):
+ statx(namebuf, &hs, STATSIZE, STX_HIDDEN|STX_LINK))
+#else
+ if (0 != f_follow_links? stat(namebuf, &hs): lstat(namebuf, &hs))
+#endif
+ {
+ msg_perror("can't stat %s",namebuf);
+ continue;
+ }
+ if( (f_local_filesys && device!=hs.st_dev)
+ || (f_exclude && check_exclude(namebuf)))
+ add_buffer(the_buffer,"N",1);
+#ifdef AIX
+ else if (S_ISHIDDEN (hs.st_mode)) {
+ add_buffer (the_buffer, "D", 1);
+ strcat (d->d_name, "A");
+ d->d_namlen++;
+ }
+#endif /* AIX */
+ else if(S_ISDIR(hs.st_mode)) {
+ if(dp=get_dir(namebuf)) {
+ if( dp->dev!=hs.st_dev
+ || dp->ino!=hs.st_ino) {
+ if(f_verbose)
+ msg("directory %s has been renamed.",namebuf);
+ dp->allnew=1;
+ dp->dev=hs.st_dev;
+ dp->ino=hs.st_ino;
+ }
+ dp->dir_text="";
+ } else {
+ if(f_verbose)
+ msg("Directory %s is new",namebuf);
+ add_dir(namebuf,hs.st_dev,hs.st_ino,"");
+ dp=get_dir(namebuf);
+ dp->allnew=1;
+ }
+ if(all_children)
+ dp->allnew=1;
+
+ add_buffer(the_buffer,"D",1);
+ } else if( !all_children
+ && f_new_files
+ && new_time>hs.st_mtime
+ && ( f_new_files>1
+ || new_time>hs.st_ctime))
+ add_buffer(the_buffer,"N",1);
+ else
+ add_buffer(the_buffer,"Y",1);
+ add_buffer(the_buffer,d->d_name,(int)(DP_NAMELEN(d)+1));
+ }
+ add_buffer(the_buffer,"\000\000",2);
+ closedir(dirp);
+
+ /* Well, we've read in the contents of the dir, now sort them */
+ buf=get_buffer(the_buffer);
+ if(buf[0]=='\0') {
+ flush_buffer(the_buffer);
+ new_buf=NULL;
+ } else {
+ n_strs=0;
+ for(p_buf=buf;*p_buf;) {
+ int tmp;
+
+ tmp=strlen(p_buf)+1;
+ n_strs++;
+ p_buf+=tmp;
+ }
+ vec=(char **)malloc(sizeof(char *)*(n_strs+1));
+ for(p_vec=vec,p_buf=buf;*p_buf;p_buf+=strlen(p_buf)+1)
+ *p_vec++= p_buf;
+ *p_vec= 0;
+ qsort((PTR)vec,n_strs,sizeof(char *),dirent_cmp);
+ new_buf=(char *)malloc(p_buf-buf+2);
+ for(p_vec=vec,p_buf=new_buf;*p_vec;p_vec++) {
+ char *p_tmp;
+
+ for(p_tmp= *p_vec;*p_buf++= *p_tmp++;)
+ ;
+ }
+ *p_buf++='\0';
+ free(vec);
+ flush_buffer(the_buffer);
+ }
+ }
+ free(namebuf);
+ return new_buf;
+}
+
+/* p is a directory. Add all the files in P to the namelist. If any of the
+ files is a directory, recurse on the subdirectory. . . */
+static void
+add_dir_name(p,device)
+char *p;
+int device;
+{
+ char *new_buf;
+ char *p_buf;
+
+ char *namebuf;
+ int buflen;
+ register int len;
+ int sublen;
+
+/* PTR the_buffer;*/
+
+/* char *buf;*/
+/* char **vec,**p_vec;*/
+/* int n_strs,n_size;*/
+
+ struct name *n;
+
+ int dirent_cmp();
+
+ new_buf=get_dir_contents(p,device);
+
+ for(n=namelist;n;n=n->next) {
+ if(!strcmp(n->name,p)) {
+ n->dir_contents = new_buf;
+ break;
+ }
+ }
+
+ if (new_buf)
+ {
+ len=strlen(p);
+ buflen= NAMSIZ<=len ? len + NAMSIZ : NAMSIZ;
+ namebuf= ck_malloc(buflen+1);
+
+ (void)strcpy(namebuf,p);
+ if(namebuf[len-1]!='/') {
+ namebuf[len++]='/';
+ namebuf[len]='\0';
+ }
+ for(p_buf=new_buf;*p_buf;p_buf+=sublen+1) {
+ sublen=strlen(p_buf);
+ if(*p_buf=='D') {
+ if(len+sublen>=buflen) {
+ buflen+=NAMSIZ;
+ namebuf= ck_realloc(namebuf,buflen+1);
+ }
+ (void)strcpy(namebuf+len,p_buf+1);
+ addname(namebuf);
+ add_dir_name(namebuf,device);
+ }
+ }
+ free(namebuf);
+ }
+}
+
+/* Returns non-zero if p is . or .. This could be a macro for speed. */
+int
+is_dot_or_dotdot(p)
+char *p;
+{
+ return (p[0]=='.' && (p[1]=='\0' || (p[1]=='.' && p[2]=='\0')));
+}
+
+
+
+
+
+
+void
+gnu_restore(skipcrud)
+int skipcrud;
+{
+ char *current_dir;
+/* int current_dir_length; */
+
+ char *archive_dir;
+/* int archive_dir_length; */
+ PTR the_buffer;
+ char *p;
+ DIR *dirp;
+ struct direct *d;
+ char *cur,*arc;
+ extern struct stat hstat; /* Stat struct corresponding */
+ long size,copied;
+ char *from,*to;
+ extern union record *head;
+
+ dirp=opendir(skipcrud+head->header.name);
+
+ if(!dirp) {
+ /* The directory doesn't exist now. It'll be created.
+ In any case, we don't have to delete any files out
+ of it */
+ skip_file((long)hstat.st_size);
+ return;
+ }
+
+ the_buffer=init_buffer();
+ while(d=readdir(dirp)) {
+ if(is_dot_or_dotdot(d->d_name))
+ continue;
+
+ add_buffer(the_buffer,d->d_name,(int)(DP_NAMELEN(d)+1));
+ }
+ closedir(dirp);
+ add_buffer(the_buffer,"",1);
+
+ current_dir=get_buffer(the_buffer);
+ archive_dir=(char *)malloc(hstat.st_size);
+ if(archive_dir==0) {
+ msg("Can't allocate %d bytes for restore",hstat.st_size);
+ skip_file((long)hstat.st_size);
+ return;
+ }
+ to=archive_dir;
+ for(size=hstat.st_size;size>0;size-=copied) {
+ from=findrec()->charptr;
+ if(!from) {
+ msg("Unexpected EOF in archive\n");
+ break;
+ }
+ copied=endofrecs()->charptr - from;
+ if(copied>size)
+ copied=size;
+ bcopy((PTR)from,(PTR)to,(int)copied);
+ to+=copied;
+ userec((union record *)(from+copied-1));
+ }
+
+ for(cur=current_dir;*cur;cur+=strlen(cur)+1) {
+ for(arc=archive_dir;*arc;arc+=strlen(arc)+1) {
+ arc++;
+ if(!strcmp(arc,cur))
+ break;
+ }
+ if(*arc=='\0') {
+ p=new_name(skipcrud+head->header.name,cur);
+ if(f_confirm && !confirm("delete",p)) {
+ free(p);
+ continue;
+ }
+ if(f_verbose)
+ fprintf(msg_file,"%s: deleting %s\n",tar,p);
+ if(recursively_delete(p)) {
+ msg("%s: Error while deleting %s\n",tar,p);
+ }
+ free(p);
+ }
+
+ }
+ flush_buffer(the_buffer);
+ free(archive_dir);
+}
+
+int
+recursively_delete(path)
+char *path;
+{
+ struct stat sbuf;
+ DIR *dirp;
+ struct direct *dp;
+ char *path_buf;
+ /* int path_len; */
+
+
+ if(lstat(path,&sbuf)<0)
+ return 1;
+ if(S_ISDIR(sbuf.st_mode)) {
+
+ /* path_len=strlen(path); */
+ dirp=opendir(path);
+ if(dirp==0)
+ return 1;
+ while(dp=readdir(dirp)) {
+ if(is_dot_or_dotdot(dp->d_name))
+ continue;
+ path_buf=new_name(path,dp->d_name);
+ if(recursively_delete(path_buf)) {
+ free(path_buf);
+ closedir(dirp);
+ return 1;
+ }
+ free(path_buf);
+ }
+ closedir(dirp);
+
+ if(rmdir(path)<0)
+ return 1;
+ return 0;
+ }
+ if(unlink(path)<0)
+ return 1;
+ return 0;
+}
+
projects / chaz / tar / commitdiff
