gnu: libarchive: Update to 3.4.0.

* gnu/packages/patches/libarchive-CVE-2018-1000877.patch,
gnu/packages/patches/libarchive-CVE-2018-1000878.patch,
gnu/packages/patches/libarchive-CVE-2018-1000880.patch: Delete files.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/backup.scm (libarchive): Update to 3.4.0.
[source](uri): Add alternative download location.
[source](patches): Remove.

3 files changed, 0 insertions, 182 deletions

diff --git a/gnu/packages/patches/libarchive-CVE-2018-1000877.patch b/gnu/packages/patches/libarchive-CVE-2018-1000877.patch
deleted file mode 100644
index 5b68884a0f..0000000000
--- a/gnu/packages/patches/libarchive-CVE-2018-1000877.patch
+++ /dev/null
@@ -1,45 +0,0 @@
-Fix CVE-2018-1000877:
-
-https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
-https://github.com/libarchive/libarchive/pull/1105
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000877
-https://security-tracker.debian.org/tracker/CVE-2018-1000877
-
-Patch copied from upstream source repository:
-
-https://github.com/libarchive/libarchive/commit/021efa522ad729ff0f5806c4ce53e4a6cc1daa31
-
-From 021efa522ad729ff0f5806c4ce53e4a6cc1daa31 Mon Sep 17 00:00:00 2001
-From: Daniel Axtens <dja@axtens.net>
-Date: Tue, 20 Nov 2018 17:56:29 +1100
-Subject: [PATCH] Avoid a double-free when a window size of 0 is specified
-
-new_size can be 0 with a malicious or corrupted RAR archive.
-
-realloc(area, 0) is equivalent to free(area), so the region would
-be free()d here and the free()d again in the cleanup function.
-
-Found with a setup running AFL, afl-rb, and qsym.
----
- libarchive/archive_read_support_format_rar.c | 5 +++++
- 1 file changed, 5 insertions(+)
-
-diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
-index 23452222..6f419c27 100644
---- a/libarchive/archive_read_support_format_rar.c
-+++ b/libarchive/archive_read_support_format_rar.c
-@@ -2300,6 +2300,11 @@ parse_codes(struct archive_read *a)
-       new_size = DICTIONARY_MAX_SIZE;
-     else
-       new_size = rar_fls((unsigned int)rar->unp_size) << 1;
-+    if (new_size == 0) {
-+      archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
-+                        "Zero window size is invalid.");
-+      return (ARCHIVE_FATAL);
-+    }
-     new_window = realloc(rar->lzss.window, new_size);
-     if (new_window == NULL) {
-       archive_set_error(&a->archive, ENOMEM,
--- 
-2.20.1
-
diff --git a/gnu/packages/patches/libarchive-CVE-2018-1000878.patch b/gnu/packages/patches/libarchive-CVE-2018-1000878.patch
deleted file mode 100644
index fef0881320..0000000000
--- a/gnu/packages/patches/libarchive-CVE-2018-1000878.patch
+++ /dev/null
@@ -1,86 +0,0 @@
-Fix CVE-2018-1000878:
-
-https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
-https://github.com/libarchive/libarchive/pull/1105
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000878
-https://security-tracker.debian.org/tracker/CVE-2018-1000878
-
-Patch copied from upstream source repository:
-
-https://github.com/libarchive/libarchive/commit/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28
-
-From bfcfe6f04ed20db2504db8a254d1f40a1d84eb28 Mon Sep 17 00:00:00 2001
-From: Daniel Axtens <dja@axtens.net>
-Date: Tue, 4 Dec 2018 00:55:22 +1100
-Subject: [PATCH] rar: file split across multi-part archives must match
-
-Fuzzing uncovered some UAF and memory overrun bugs where a file in a
-single file archive reported that it was split across multiple
-volumes. This was caused by ppmd7 operations calling
-rar_br_fillup. This would invoke rar_read_ahead, which would in some
-situations invoke archive_read_format_rar_read_header.  That would
-check the new file name against the old file name, and if they didn't
-match up it would free the ppmd7 buffer and allocate a new
-one. However, because the ppmd7 decoder wasn't actually done with the
-buffer, it would continue to used the freed buffer. Both reads and
-writes to the freed region can be observed.
-
-This is quite tricky to solve: once the buffer has been freed it is
-too late, as the ppmd7 decoder functions almost universally assume
-success - there's no way for ppmd_read to signal error, nor are there
-good ways for functions like Range_Normalise to propagate them. So we
-can't detect after the fact that we're in an invalid state - e.g. by
-checking rar->cursor, we have to prevent ourselves from ever ending up
-there. So, when we are in the dangerous part or rar_read_ahead that
-assumes a valid split, we set a flag force read_header to either go
-down the path for split files or bail. This means that the ppmd7
-decoder keeps a valid buffer and just runs out of data.
-
-Found with a combination of AFL, afl-rb and qsym.
----
- libarchive/archive_read_support_format_rar.c | 9 +++++++++
- 1 file changed, 9 insertions(+)
-
-diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
-index 6f419c27..a8cc5c94 100644
---- a/libarchive/archive_read_support_format_rar.c
-+++ b/libarchive/archive_read_support_format_rar.c
-@@ -258,6 +258,7 @@ struct rar
-   struct data_block_offsets *dbo;
-   unsigned int cursor;
-   unsigned int nodes;
-+  char filename_must_match;
- 
-   /* LZSS members */
-   struct huffman_code maincode;
-@@ -1560,6 +1561,12 @@ read_header(struct archive_read *a, struct archive_entry *entry,
-     }
-     return ret;
-   }
-+  else if (rar->filename_must_match)
-+  {
-+    archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
-+      "Mismatch of file parts split across multi-volume archive");
-+    return (ARCHIVE_FATAL);
-+  }
- 
-   rar->filename_save = (char*)realloc(rar->filename_save,
-                                       filename_size + 1);
-@@ -2933,12 +2940,14 @@ rar_read_ahead(struct archive_read *a, size_t min, ssize_t *avail)
-     else if (*avail == 0 && rar->main_flags & MHD_VOLUME &&
-       rar->file_flags & FHD_SPLIT_AFTER)
-     {
-+      rar->filename_must_match = 1;
-       ret = archive_read_format_rar_read_header(a, a->entry);
-       if (ret == (ARCHIVE_EOF))
-       {
-         rar->has_endarc_header = 1;
-         ret = archive_read_format_rar_read_header(a, a->entry);
-       }
-+      rar->filename_must_match = 0;
-       if (ret != (ARCHIVE_OK))
-         return NULL;
-       return rar_read_ahead(a, min, avail);
--- 
-2.20.1
-
diff --git a/gnu/packages/patches/libarchive-CVE-2018-1000880.patch b/gnu/packages/patches/libarchive-CVE-2018-1000880.patch
deleted file mode 100644
index 6834cabda0..0000000000
--- a/gnu/packages/patches/libarchive-CVE-2018-1000880.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-Fix CVE-2018-1000880:
-
-https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
-https://github.com/libarchive/libarchive/pull/1105
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000880
-https://security-tracker.debian.org/tracker/CVE-2018-1000880
-
-Patch copied from upstream source repository:
-
-https://github.com/libarchive/libarchive/commit/9c84b7426660c09c18cc349f6d70b5f8168b5680
-
-From 9c84b7426660c09c18cc349f6d70b5f8168b5680 Mon Sep 17 00:00:00 2001
-From: Daniel Axtens <dja@axtens.net>
-Date: Tue, 4 Dec 2018 16:33:42 +1100
-Subject: [PATCH] warc: consume data once read
-
-The warc decoder only used read ahead, it wouldn't actually consume
-data that had previously been printed. This means that if you specify
-an invalid content length, it will just reprint the same data over
-and over and over again until it hits the desired length.
-
-This means that a WARC resource with e.g.
-Content-Length: 666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666665
-but only a few hundred bytes of data, causes a quasi-infinite loop.
-
-Consume data in subsequent calls to _warc_read.
-
-Found with an AFL + afl-rb + qsym setup.
----
- libarchive/archive_read_support_format_warc.c | 5 +++++
- 1 file changed, 5 insertions(+)
-
-diff --git a/libarchive/archive_read_support_format_warc.c b/libarchive/archive_read_support_format_warc.c
-index e8753853..e8fc8428 100644
---- a/libarchive/archive_read_support_format_warc.c
-+++ b/libarchive/archive_read_support_format_warc.c
-@@ -386,6 +386,11 @@ _warc_read(struct archive_read *a, const void **buf, size_t *bsz, int64_t *off)
- 		return (ARCHIVE_EOF);
- 	}
- 
-+	if (w->unconsumed) {
-+		__archive_read_consume(a, w->unconsumed);
-+		w->unconsumed = 0U;
-+	}
-+
- 	rab = __archive_read_ahead(a, 1U, &nrd);
- 	if (nrd < 0) {
- 		*bsz = 0U;
--- 
-2.20.1
-