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authorRichard Sharpe <sharpe@samba.org>1998-05-05 13:03:44 +0000
committerRichard Sharpe <sharpe@samba.org>1998-05-05 13:03:44 +0000
commit38b8e524ea2911384a193e230ab66b0c77519e25 (patch)
treeee401438e4c0d5df9c683475c8b410683f23b261 /source3/client
parentf601e6e0484d77d2c43eab05f80bccf28c9055aa (diff)
downloadsamba-38b8e524ea2911384a193e230ab66b0c77519e25.tar.gz
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Added bug fixes to clitar to ensure proper longfile name restores
occur. Also getting ready for setting directory dates correctly (This used to be commit fc0cad9035f9cbb5d8a5ee0221c342a3f90cf201)
Diffstat (limited to 'source3/client')
-rw-r--r--source3/client/clitar.c407
1 files changed, 382 insertions, 25 deletions
diff --git a/source3/client/clitar.c b/source3/client/clitar.c
index 32731200b0..3169c37962 100644
--- a/source3/client/clitar.c
+++ b/source3/client/clitar.c
@@ -27,13 +27,47 @@
directory creation times
3. tar now accepts both UNIX path names and DOS path names. I prefer
those lovely /'s to those UGLY \'s :-)
+ 4. the files to exclude can be specified as a regular expression by adding
+ an r flag to the other tar flags. Eg:
+ -TcrX file.tar "*.(obj|exe)"
+
+ will skip all .obj and .exe files
*/
#include "includes.h"
#include "clitar.h"
+#ifdef HAVE_REGEX_H
#include <regex.h>
+#endif
+
+typedef struct file_info_struct file_info2;
+
+struct file_info_struct
+{
+ int size;
+ int mode;
+ int uid;
+ int gid;
+ /* These times are normally kept in GMT */
+ time_t mtime;
+ time_t atime;
+ time_t ctime;
+ char *name; /* This is dynamically allocate */
+
+ file_info2 *next, *prev; /* Used in the stack ... */
+
+};
+
+typedef struct
+{
+ file_info2 *top;
+ int items;
+
+} stack;
+
+stack dir_stack = {NULL, 0}; /* Want an empty stack */
extern BOOL recurse;
@@ -60,6 +94,11 @@ BOOL tar_inc=False;
BOOL tar_reset=False;
/* Include / exclude mode (true=include, false=exclude) */
BOOL tar_excl=True;
+/* use regular expressions for search on file names */
+BOOL tar_re_search=False;
+#ifdef HAVE_REGEX_H
+regex_t *preg;
+#endif
/* Dump files with System attribute */
BOOL tar_system=False;
/* Dump files with Hidden attribute */
@@ -86,18 +125,85 @@ int tarhandle;
static void writetarheader(int f, char *aname, int size, time_t mtime,
char *amode, unsigned char ftype);
-
-/* Forward references. */
+static void do_atar();
+static void do_tar();
+static void oct_it(long value, int ndgs, char *p);
static void fixtarname(char *tptr, char *fp, int l);
static int dotarbuf(int f, char *b, int n);
-static void oct_it (long value, int ndgs, char *p);
+static void dozerobuf();
+static void dotareof();
+static void initarbuf();
+static int do_setrattr();
+
+/* restore functions */
+static long readtarheader();
static long unoct(char *p, int ndgs);
+static void do_tarput();
static void unfixtarname(char *tptr, char *fp, int l);
/*
* tar specific utitlities
*/
+/*
+ * Stack routines, push_dir, pop_dir, top_dir_name
+ */
+
+BOOL push_dir(stack *dir_stack, file_info2 *dir)
+{
+ dir -> next = dir_stack -> top;
+ dir -> prev = NULL;
+ dir_stack -> items++;
+ dir_stack -> top = dir;
+ return(True);
+
+}
+
+file_info2 *pop_dir(stack *dir_stack)
+{
+ file_info2 *ptr;
+
+ ptr = dir_stack -> top;
+ if (dir_stack -> top != NULL) {
+
+ dir_stack -> top = dir_stack -> top -> next;
+ dir_stack -> items--;
+
+ }
+
+ return ptr;
+
+}
+
+char *top_dir_name(stack *dir_stack)
+{
+
+ return(dir_stack -> top != NULL?dir_stack -> top -> name:NULL);
+
+}
+
+BOOL sub_dir(char *dir1, char *dir2)
+{
+
+}
+
+/* Create a string of size size+1 (for the null) */
+char * string_create_s(int size)
+{
+ char *tmp;
+
+ tmp = (char *)malloc(size+1);
+
+ if (tmp == NULL) {
+
+ DEBUG(0, ("Out of memory in string_create_s\n"));
+
+ }
+
+ return(tmp);
+
+}
+
/****************************************************************************
Write a tar header to buffer
****************************************************************************/
@@ -108,7 +214,7 @@ static void writetarheader(int f, char *aname, int size, time_t mtime,
int i, chk, l;
char *jp;
- DEBUG(5, ("WriteTarHdr, Type = %c, Name = %s\n", ftype, aname));
+ DEBUG(5, ("WriteTarHdr, Type = %c, Size= %i, Name = %s\n", ftype, size, aname));
memset(hb.dummy, 0, sizeof(hb.dummy));
@@ -125,6 +231,7 @@ static void writetarheader(int f, char *aname, int size, time_t mtime,
memset(b, 0, l+TBLOCK+100);
fixtarname(b, aname, l+1);
i = strlen(b)+1;
+ DEBUG(5, ("File name in tar file: %s, size=%i, \n", b, strlen(b)));
dotarbuf(f, b, TBLOCK*(((i-1)/TBLOCK)+1));
free(b);
}
@@ -158,7 +265,7 @@ static void writetarheader(int f, char *aname, int size, time_t mtime,
/****************************************************************************
Read a tar header into a hblock structure, and validate
***************************************************************************/
-static long readtarheader(union hblock *hb, file_info *finfo, char *prefix)
+static long readtarheader(union hblock *hb, file_info2 *finfo, char *prefix)
{
long chk, fchk;
int i;
@@ -192,6 +299,13 @@ static long readtarheader(union hblock *hb, file_info *finfo, char *prefix)
return -1;
}
+ if ((finfo->name = string_create_s(strlen(prefix) + strlen(hb -> dbuf.name) + 3)) == NULL) {
+
+ DEBUG(0, ("Out of space creating file_info2 for %s\n", hb -> dbuf.name));
+ return(-1);
+
+ }
+
strcpy(finfo->name, prefix);
/* use l + 1 to do the null too; do prefix - prefcnt to zap leading slash */
@@ -298,7 +412,7 @@ static void dozerobuf(int f, int n)
/****************************************************************************
Malloc tape buffer
****************************************************************************/
-static void initarbuf(void)
+static void initarbuf()
{
/* initialize tar buffer */
tbufsiz=blocksize*TBLOCK;
@@ -447,6 +561,8 @@ static int do_setrtime(char *fname, int mtime)
char *inbuf, *outbuf, *p;
char *name;
+ DEBUG(5, ("Setting time on: %s, fnlen=%i.\n", fname, strlen(fname)));
+
name = (char *)malloc(strlen(fname) + 1 + 1);
if (name == NULL) {
@@ -600,7 +716,7 @@ static int do_setrattr(char *fname, int attr, int setit)
/****************************************************************************
Create a file on a share
***************************************************************************/
-static BOOL smbcreat(file_info finfo, int *fnum, char *inbuf, char *outbuf)
+static BOOL smbcreat(file_info2 finfo, int *fnum, char *inbuf, char *outbuf)
{
char *p;
/* *must* be called with buffer ready malloc'ed */
@@ -680,7 +796,7 @@ static BOOL smbwrite(int fnum, int n, int low, int high, int left,
/****************************************************************************
Close a file on a share
***************************************************************************/
-static BOOL smbshut(file_info finfo, int fnum, char *inbuf, char *outbuf)
+static BOOL smbshut(file_info2 finfo, int fnum, char *inbuf, char *outbuf)
{
/* *must* be called with buffer ready malloc'ed */
@@ -775,11 +891,21 @@ static BOOL ensurepath(char *fname, char *inbuf, char *outbuf)
/* *must* be called with buffer ready malloc'ed */
/* ensures path exists */
- pstring partpath, ffname;
+ char *partpath, *ffname;
char *p=fname, *basehack;
DEBUG(5, ( "Ensurepath called with: %s\n", fname));
+ partpath = string_create_s(strlen(fname));
+ ffname = string_create_s(strlen(fname));
+
+ if ((partpath == NULL) || (ffname == NULL)){
+
+ DEBUG(0, ("Out of memory in ensurepath: %s\n", fname));
+ return(False);
+
+ }
+
*partpath = 0;
/* fname copied to ffname so can strtok */
@@ -821,7 +947,7 @@ int padit(char *buf, int bufsize, int padsize)
int berr= 0;
int bytestowrite;
- DEBUG(0, ("Padding with %d zeros\n", padsize));
+ DEBUG(5, ("Padding with %d zeros\n", padsize));
memset(buf, 0, bufsize);
while( !berr && padsize > 0 ) {
bytestowrite= MIN(bufsize, padsize);
@@ -965,7 +1091,7 @@ static void do_atar(char *rname,char *lname,file_info *finfo1)
datalen = 0;
}
- DEBUG(2,("getting file %s of size %d bytes as a tar file %s",
+ DEBUG(3,("getting file %s of size %d bytes as a tar file %s",
finfo.name,
finfo.size,
lname));
@@ -1230,7 +1356,7 @@ static void do_atar(char *rname,char *lname,file_info *finfo1)
get_total_size += finfo.size;
/* Thanks to Carel-Jan Engel (ease@mail.wirehub.nl) for this one */
- DEBUG(2,("(%g kb/s) (average %g kb/s)\n",
+ DEBUG(3,("(%g kb/s) (average %g kb/s)\n",
finfo.size / MAX(0.001, (1.024*this_time)),
get_total_size / MAX(0.001, (1.024*get_total_time_ms))));
if (tar_noisy)
@@ -1265,7 +1391,14 @@ static void do_tar(file_info *finfo)
strcat(exclaim, "\\");
strcat(exclaim, finfo->name);
- if (clipfind(cliplist, clipn, exclaim)) {
+ DEBUG(5, ("...tar_re_search: %d\n", tar_re_search));
+
+ if ((!tar_re_search && clipfind(cliplist, clipn, exclaim)) ||
+#ifdef HAVE_REGEX_H
+ (tar_re_search && !regexec(preg, exclaim, 0, NULL, 0))) {
+#else
+ (tar_re_search && mask_match(exclaim, cliplist[0], True, False))) {
+#endif
DEBUG(3,("Skipping file %s\n", exclaim));
return;
}
@@ -1345,9 +1478,178 @@ static void unfixtarname(char *tptr, char *fp, int l)
}
}
-static void do_tarput(void)
+/****************************************************************************
+Move to the next block in the buffer, which may mean read in another set of
+blocks.
+****************************************************************************/
+int next_block(char *tarbuf, char *bufferp, int bufsiz)
{
- file_info finfo;
+ int bufread, total = 0;
+
+ if (bufferp >= (tarbuf + bufsiz)) {
+
+ for (bufread = read(tarhandle, tarbuf, bufsiz); total += bufread; total < bufsiz) {
+
+ if (bufread <= 0) { /* An error, return false */
+ return (total > 0 ? -2 : bufread);
+ }
+
+ }
+
+ bufferp = tarbuf;
+
+ }
+ else {
+
+ bufferp += TBLOCK;
+
+ }
+
+}
+
+int skip_file()
+{
+
+}
+
+int get_file(file_info2 finfo)
+{
+
+
+}
+
+int get_dir(file_info2 finfo)
+{
+
+}
+
+char * get_longfilename(file_info2 finfo)
+{
+
+}
+
+static char * bufferp;
+
+static void do_tarput2()
+{
+ file_info2 finfo;
+ struct timeval tp_start;
+ char *inbuf, *outbuf, *longfilename = NULL;
+ int skip = False;
+
+ GetTimeOfDay(&tp_start);
+
+ bufferp = tarbuf + tbufsiz; /* init this to force first read */
+
+ inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
+ outbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
+
+ if (!inbuf || !outbuf) {
+
+ DEBUG(0, ("Out of memory during allocate of inbuf and outbuf!\n"));
+ return;
+
+ }
+
+ if (next_block(tarbuf, bufferp, tbufsiz) <= 0) {
+
+ DEBUG(0, ("Empty file or short tar file: %s\n", strerror(errno)));
+
+ }
+
+ /* Now read through those files ... */
+
+ while (True) {
+
+ switch (readtarheader((union hblock *) bufferp, &finfo, cur_dir)) {
+
+ case -2: /* Hmm, not good, but not fatal */
+ DEBUG(0, ("Skipping %s...\n", finfo.name));
+ if ((next_block(tarbuf, bufferp, tbufsiz) <= 0) &&
+ !skip_file(finfo.size)) {
+
+ DEBUG(0, ("Short file, bailing out...\n"));
+ free(inbuf); free(outbuf);
+ continue;
+
+ }
+
+ break;
+
+ case -1:
+ DEBUG(0, ("abandoning restore, -1 from read tar header\n"));
+ free(inbuf); free(outbuf);
+ return;
+
+ case 0: /* chksum is zero - looks like an EOF */
+ DEBUG(0, ("total of %d tar files restored to share\n", ntarf));
+ free(inbuf); free(outbuf);
+ return; /* Hmmm, bad here ... */
+
+ default:
+ break;
+
+ }
+
+ /* Now, do we have a long file name? */
+
+ if (longfilename != NULL) {
+ if (strlen(longfilename) < sizeof(finfo.name)) { /* if we have space */
+
+ strncpy(finfo.name, longfilename, sizeof(finfo.name) - 1);
+ free(longfilename);
+ longfilename = NULL;
+
+ }
+ else {
+
+ DEBUG(0, ("filename: %s too long, skipping\n", strlen(longfilename)));
+ skip = True;
+
+ }
+ }
+
+ /* Well, now we have a header, process the file ... */
+
+ /* Should we skip the file? */
+
+ if (skip) {
+
+ skip_file(finfo);
+ continue;
+
+ }
+
+ /* We only get this far if we should process the file */
+
+ switch (((union hblock *)bufferp) -> dbuf.linkflag) {
+
+ case '0': /* Should use symbolic names--FIXME */
+ get_file(finfo);
+ break;
+
+ case '5':
+ get_dir(finfo);
+ break;
+
+ case 'L':
+ longfilename = get_longfilename(finfo);
+ break;
+
+ default:
+ skip_file(finfo); /* Don't handle these yet */
+ break;
+
+ }
+
+ }
+
+
+}
+
+static void do_tarput()
+{
+ file_info2 finfo;
int nread=0, bufread;
char *inbuf,*outbuf, *longname = NULL;
int fsize=0;
@@ -1355,6 +1657,8 @@ static void do_tarput(void)
struct timeval tp_start;
BOOL tskip=False; /* We'll take each file as it comes */
+ finfo.name = NULL; /* No name in here ... */
+
GetTimeOfDay(&tp_start);
inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
@@ -1422,6 +1726,13 @@ static void do_tarput(void)
}
next_header = 0; /* Don't want the next one ... */
+
+ if (finfo.name != NULL) { /* Free the space */
+
+ free(finfo.name);
+ finfo.name = NULL;
+
+ }
switch (readtarheader((union hblock *) bufferp, &finfo, cur_dir))
{
case -2: /* something dodgy but not fatal about this */
@@ -1451,7 +1762,10 @@ static void do_tarput(void)
if (longname != NULL) {
- strncpy(finfo.name, longname, sizeof(pstring) - 1);
+ free(finfo.name); /* Free the name in the finfo */
+ finfo.name = string_create_s(strlen(longname) + 2);
+ strncpy(finfo.name, longname, strlen(longname) + 1);
+ DEBUG(5, ("Long name = \"%s\", filename=\"%s\"\n", longname, finfo.name));
free(longname);
longname = NULL;
@@ -1466,6 +1780,7 @@ static void do_tarput(void)
fix the name and skip the name. Hmmm, what about end of
buffer??? */
+ DEBUG(5, ("Buffer size = %i\n", finfo.size + strlen(cur_dir) +1));
longname = malloc(finfo.size + strlen(cur_dir) + 1);
if (longname == NULL) {
@@ -1488,8 +1803,9 @@ static void do_tarput(void)
}
- strncpy(longname, cur_dir, strlen(cur_dir));
+ strncpy(longname, cur_dir, strlen(cur_dir) + 1);
unfixtarname(longname+strlen(cur_dir), bufferp, finfo.size);
+ DEBUG(5, ("UnfixedName: %s, buffer: %s\n", longname, bufferp));
/* Next rounds up to next TBLOCK and takes care of us being right
on a TBLOCK boundary */
@@ -1500,7 +1816,12 @@ static void do_tarput(void)
}
}
tskip=clipn
- && (clipfind(cliplist, clipn, finfo.name) ^ tar_excl);
+ && ((!tar_re_search && clipfind(cliplist, clipn, finfo.name) ^ tar_excl)
+#ifdef HAVE_REGEX_H
+ || (tar_re_search && !regexec(preg, finfo.name, 0, NULL, 0)));
+#else
+ || (tar_re_search && mask_match(finfo.name, cliplist[0], True, False)));
+#endif
if (tskip) {
bufferp+=TBLOCK;
if (finfo.mode & aDIR)
@@ -1522,9 +1843,10 @@ static void do_tarput(void)
if (finfo.mode & aDIR)
{
+
+ DEBUG(5, ("Creating directory: %s\n", finfo.name));
+
if (!ensurepath(finfo.name, inbuf, outbuf))
-/* if (!smbchkpath(finfo.name, inbuf, outbuf)
- && !smbmkdir(finfo.name, inbuf, outbuf))*/
{
DEBUG(0, ("abandoning restore, problems ensuring path\n"));
free(inbuf); free(outbuf);
@@ -1534,7 +1856,7 @@ static void do_tarput(void)
{
/* Now we update the creation date ... */
- DEBUG(5, ("Updating creation date on %s\n", finfo.name));
+ DEBUG(0, ("Updating creation date on %s\n", finfo.name));
if (!do_setrtime(finfo.name, finfo.mtime)) {
@@ -1562,13 +1884,13 @@ static void do_tarput(void)
DEBUG(0 ,("restore tar file %s of size %d bytes\n",
finfo.name,finfo.size));
- if (!finfo.size) {
+ /* if (!finfo.size) {
if (!smbshut(finfo, fnum, inbuf, outbuf)){
DEBUG(0, ("Error closing remote file of length 0: %s\n", finfo.name));
free(inbuf);free(outbuf);
return;
}
- }
+ } */
nread=0;
if ((bufferp+=TBLOCK) >= endofbuffer) break;
@@ -1614,6 +1936,7 @@ static void do_tarput(void)
(long) bufferp, (long)(bufferp - tarbuf)));
ntarf++;
fsize=0;
+
}
} while (bufferp < endofbuffer);
}
@@ -1791,7 +2114,7 @@ int process_tar(char *inbuf, char *outbuf)
pstring tarmac;
for (i=0; i<clipn; i++) {
- DEBUG(0,("arg %d = %s\n", i, cliplist[i]));
+ DEBUG(5,("arg %d = %s\n", i, cliplist[i]));
if (*(cliplist[i]+strlen(cliplist[i])-1)=='\\') {
*(cliplist[i]+strlen(cliplist[i])-1)='\0';
@@ -1932,6 +2255,10 @@ int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind)
}
tar_clipfl='X';
break;
+ case 'r':
+ DEBUG(0, ("tar_re_search set\n"));
+ tar_re_search = True;
+ break;
default:
DEBUG(0,("Unknown tar option\n"));
return 0;
@@ -1943,7 +2270,8 @@ int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind)
}
tar_excl=tar_clipfl!='X';
- if (Optind+1<argc) {
+
+ if (Optind+1<argc && !tar_re_search) { /* For backwards compatibility */
char *tmpstr;
char **tmplist;
int clipcount;
@@ -1977,6 +2305,35 @@ int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind)
}
cliplist = tmplist;
}
+
+ if (Optind+1<argc && tar_re_search) { /* Doing regular expression seaches */
+#ifdef HAVE_REGEX_H
+ int errcode;
+
+ if ((preg = (regex_t *)malloc(65536)) == NULL) {
+
+ DEBUG(0, ("Could not allocate buffer for regular expression search\n"));
+ return;
+
+ }
+
+ if (errcode = regcomp(preg, argv[Optind + 1], REG_EXTENDED)) {
+ char errstr[1024];
+ size_t errlen;
+
+ errlen = regerror(errcode, preg, errstr, sizeof(errstr) - 1);
+
+ DEBUG(0, ("Could not compile pattern buffer for re search: %s\n%s\n", argv[Optind + 1], errstr));
+ return;
+
+ }
+#endif
+
+ clipn=argc-Optind-1;
+ cliplist=argv+Optind+1;
+
+ }
+
if (Optind>=argc || !strcmp(argv[Optind], "-")) {
/* Sets tar handle to either 0 or 1, as appropriate */
tarhandle=(tar_type=='c');