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87a571f88a
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739 Commits

Author SHA1 Message Date
Tim Kientzle
87a571f88a Essentially eliminate problems with false hardlinks in POSIX cpio 
archives by generating synthetic ino values and mapping values
from disk into the new values.
 2009-12-29 06:34:23 +00:00
Tim Kientzle
9d7dd12525 Clear extraneous error messages. 2009-12-29 06:27:19 +00:00
Tim Kientzle
b1657eb07c Zip write support for libarchive. 
The initial implementation was developed by Anselm Strauss as part of
Google Summer of Code 2008, then completed by Joerg Sonnenberger.
 2009-12-29 06:15:32 +00:00
Tim Kientzle
84b1d75646 If we're linking against liblzma, allow the decompressor to use up to 
1<<30 bytes of memory, which is required for some streams.

Also, try to make the taster more discriminating about raw lzma streams.
The detection here is still really weak, though; please use xz instead
of lzma.
 2009-12-29 06:06:20 +00:00
Tim Kientzle
25557ee5f4 Minor style fixes plus a fix for an obscure crash on certain malformed 
mtree files.
 2009-12-29 05:52:13 +00:00
Tim Kientzle
7f16f13149 Be a little more skeptical of dev/ino matches when reading cpio files. 
This eliminates some false-positives in the hardlink detection logic.
 2009-12-29 05:50:34 +00:00
Tim Kientzle
023a748ef3 Style and portability fixes for pax writer. Mostly very routine, except for: 
* Use ino64 where appropriate
 * Don't pass atime or nsec to ustar formatter
 2009-12-29 05:47:46 +00:00
Tim Kientzle
1f8bbec2a4 Style fixes to tar reader: 
For portability, prefer int64_t to off_t.
  Improve numeric overflow handling when parsing.
  Fix some variable types.
  Eliminate some unused results.
 2009-12-29 05:44:39 +00:00
Tim Kientzle
88f5df0d39 Various style fixes to the 'newc' cpio writer: 
* Warn about truncation of ino
 * Use a macro to hide the somewhat obscure pad-to-multiple-of-4 calculation
 * Eliminate some unused variables
 2009-12-29 05:41:57 +00:00
Tim Kientzle
bb8a41af51 Various fixes when creating objects on disk: 
* Write xattrs last instead of first (required on platforms that use
   system xattrs for security attributes)
 * Better handling of chdir() failures
 * Don't bother trying to shorten files via seek()/write()
 * Fix build on systems that lack link()/symlink()/mknod()
 * Prefer futimens()/utimensat() when they're present
 2009-12-29 05:35:40 +00:00
Tim Kientzle
dee0ce0cbd Catch decompression failures earlier. In particular, this gives 
immediate feedback if we fail to fork an external decompression program.
 2009-12-29 05:30:23 +00:00
Tim Kientzle
e2196d3e85 Various style and portability fixes, including: 
* Enforce option interface can only be used before the archive is opened
 * Correctly handle large skips on platforms with 32-bit off_t
 * Use int64_t instead of off_t
 2009-12-29 05:28:28 +00:00
Tim Kientzle
081e9a983c 64-bit ino support and discourage bad use of this header. 2009-12-29 05:20:12 +00:00
Tim Kientzle
989f6ccc3f Portability. 2009-12-28 06:59:35 +00:00
Tim Kientzle
0d722d6394 Remove some dead assignments, fix some declarations. 2009-12-28 03:33:05 +00:00
Tim Kientzle
e15da0400a Clarify an example so Linux folks won't keep getting confused by this point. 2009-12-28 03:31:29 +00:00
Tim Kientzle
456bd00333 Compatibility with old systems with non-POSIX getpwuid_r/getgrgid_r. 2009-12-28 03:30:31 +00:00
Tim Kientzle
f773eba566 Fix some unused variables and dead assignments. 2009-12-28 03:28:21 +00:00
Tim Kientzle
108f9d8324 Remove an unused variable and an unreachable statement. 2009-12-28 03:25:33 +00:00
Tim Kientzle
409cc2477d Fix line endings. 2009-12-28 03:24:56 +00:00
Tim Kientzle
354c05f65d Discourage external use of this header. 2009-12-28 03:20:54 +00:00
Tim Kientzle
4ffba49a6f Remove unused variable. 2009-12-28 03:14:30 +00:00
Tim Kientzle
6f1d1a5084 O_BINARY for Windows. 2009-12-28 03:13:49 +00:00
Tim Kientzle
966062dd11 Handle Zip CRC validation for uncompressed Zip archives even on 
platforms that lack zlib.
 2009-12-28 03:11:36 +00:00
Tim Kientzle
10f117ebc2 Include limits.h; remove unused variable. 2009-12-28 03:06:27 +00:00
Tim Kientzle
09bf59d4b9 Use ino64 interface. 2009-12-28 03:05:31 +00:00
Tim Kientzle
2b1f175936 Use new ino64 interface. 2009-12-28 03:03:00 +00:00
Tim Kientzle
9adedf9679 New archive_file_count() utility. 2009-12-28 02:58:14 +00:00
Tim Kientzle
042c735c81 Portability fixes. 2009-12-28 02:45:56 +00:00
Tim Kientzle
65d5426feb Various portability fixes, plus: 
* New "ino64" field.
 * New UTF8 interfaces for hardlink/symlink updates
 2009-12-28 02:41:27 +00:00
Tim Kientzle
13f322aec3 Remove an unused variable and an unnecessary increment. 2009-12-28 02:33:22 +00:00
Tim Kientzle
cc1e3ebe54 Eliminate an unused assignment. 2009-12-28 02:29:21 +00:00
Tim Kientzle
2866e9d5d0 Portability: Set the file descriptor to binary mode on Win32 2009-12-28 02:28:44 +00:00
Tim Kientzle
c0840e91d3 Discourage outside use of this internal header. 2009-12-28 02:26:06 +00:00
Tim Kientzle
c17fd585bb Remove dead assignment. 2009-12-28 02:22:41 +00:00
Tim Kientzle
a5a14ed059 Portability: 
* some non-FreeBSD platforms do actually define __FBSDID() in sys/cdefs.h
 * Borland C <sigh>
 2009-12-28 02:22:04 +00:00
Tim Kientzle
e9cb23e15d Portability: terminate abnormally via abort() instead of segfault, 
watch the return value from write(), and avoid signed arithmetic on
unsigned values.
 2009-12-28 02:20:23 +00:00
Tim Kientzle
06225a399b Allow more formats to be active at a time; discourage outside use. 2009-12-28 02:18:55 +00:00
Tim Kientzle
8ead7c052b Enforce this as an internal-only header. 2009-12-28 02:18:26 +00:00
Tim Kientzle
ee674fd0b9 Discourage people from using this header outside of libarchive. 2009-12-28 02:17:53 +00:00
Tim Kientzle
1bb8e82188 Compatibility: I found some more compilers that don't like 'inline' keyword. 
Protection:  Discourage people from using this header outside libarchive.
 2009-12-28 02:17:15 +00:00
Tim Kientzle
f1bfc23207 Sync with googlecode some changes that have no impact on FreeBSD. 2009-12-28 02:14:09 +00:00
Tim Kientzle
96de948146 Compatibility fix for some older systems with non-POSIX getgrnam_r/getpwnam_r 
and a minor style fix for the hash function.
 2009-12-28 02:09:57 +00:00
Tim Kientzle
94cb976997 Catch certain gzip failures at close time. 2009-12-28 02:05:28 +00:00
Tim Kientzle
153ee32724 Remove a dead assignment. 2009-12-28 02:04:42 +00:00
Tim Kientzle
b4a4198e53 Remove some unused variables and dead assignments. 2009-12-28 02:03:54 +00:00
Tim Kientzle
23e37d63dc Update the hard-coded configuration for libarchive. 2009-12-28 02:01:42 +00:00
Tim Kientzle
ff30341ebf Update format manpages for libarchive. 2009-12-28 01:50:23 +00:00
Tim Kientzle
30a9ca8e26 Merge two cpio fixes from libarchive.googlecode.com: 
1) Avoid an infinite loop in the header resync for certain malformed
    archives.
 2) Don't try to match hardlinks if the nlinks count is < 2.   This
    reduces the likelihood of a false hardlink match due to ino truncation.

MFC after:	7 days
 2009-12-10 06:42:28 +00:00
Tim Kientzle
466017cf76 Fiz /usr/bin/unzip: A bug deep in libarchive's read-ahead logic 
(incorrect handling of zero-length reads before the copy buffer is
allocated) is masked by the iso9660 taster.  Tar and cpio both enable
that taster so were protected from the bug; unzip is susceptible.

This both fixes the bug and updates the test harness to exercise
this case.

Submitted by: Ed Schouten diagnosed the bug and drafted a patch
MFC after: 7 days
 2009-09-08 05:02:41 +00:00