Compare commits
No commits in common. "c8" and "imports/c8-beta/squashfs-tools-4.3-19.el8" have entirely different histories.
c8
...
imports/c8
1
.squashfs-tools.metadata
Normal file
1
.squashfs-tools.metadata
Normal file
@ -0,0 +1 @@
|
||||
a615979db9cee82e4a934a1455577f597d290b41 SOURCES/squashfs4.3.tar.gz
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||||
@ -1,477 +0,0 @@
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||||
diff -Nupr a/squashfs-tools/Makefile b/squashfs-tools/Makefile
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--- a/squashfs-tools/Makefile 2023-06-26 23:57:01.519732066 -0500
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+++ b/squashfs-tools/Makefile 2023-06-26 23:57:52.192705923 -0500
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@@ -117,7 +117,8 @@ MKSQUASHFS_OBJS = mksquashfs.o read_fs.o
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caches-queues-lists.o
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UNSQUASHFS_OBJS = unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o \
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- unsquash-4.o unsquash-1234.o swap.o compressor.o unsquashfs_info.o
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+ unsquash-4.o unsquash-1234.o unsquash-12.o swap.o compressor.o \
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+ unsquashfs_info.o
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CFLAGS ?= -O2
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CFLAGS += $(EXTRA_CFLAGS) $(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 \
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@@ -294,6 +295,8 @@ unsquash-4.o: unsquashfs.h unsquash-4.c
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unsquash-1234.o: unsquash-1234.c
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+unsquash-12.o: unsquash-12.c unsquashfs.h
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+
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unsquashfs_xattr.o: unsquashfs_xattr.c unsquashfs.h squashfs_fs.h xattr.h
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unsquashfs_info.o: unsquashfs.h squashfs_fs.h
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diff -Nupr a/squashfs-tools/unsquash-1234.c b/squashfs-tools/unsquash-1234.c
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--- a/squashfs-tools/unsquash-1234.c 2023-06-26 23:57:01.519732066 -0500
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+++ b/squashfs-tools/unsquash-1234.c 2023-06-26 23:57:52.192705923 -0500
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@@ -25,6 +25,8 @@
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* unsquash-4.
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*/
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+#include "unsquashfs.h"
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+
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#define TRUE 1
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#define FALSE 0
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/*
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@@ -56,3 +58,23 @@ int check_name(char *name, int size)
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return TRUE;
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}
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+
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+/*
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+ * Check directory for duplicate names. As the directory should be sorted,
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+ * duplicates will be consecutive. Obviously we also need to check if the
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+ * directory has been deliberately unsorted, to evade this check.
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+ */
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+int check_directory(struct dir *dir)
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+{
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||||
+ int i;
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+ struct dir_ent *ent;
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+
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+ if (dir->dir_count < 2)
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+ return TRUE;
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+
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+ for (ent = dir->dirs, i = 0; i < dir->dir_count - 1; ent = ent->next, i++)
|
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+ if (strcmp(ent->name, ent->next->name) >= 0)
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+ return FALSE;
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+
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+ return TRUE;
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+}
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||||
diff -Nupr a/squashfs-tools/unsquash-12.c b/squashfs-tools/unsquash-12.c
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--- a/squashfs-tools/unsquash-12.c 1969-12-31 18:00:00.000000000 -0600
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||||
+++ b/squashfs-tools/unsquash-12.c 2023-06-26 23:57:52.192705923 -0500
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||||
@@ -0,0 +1,103 @@
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||||
+/*
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||||
+ * Unsquash a squashfs filesystem. This is a highly compressed read only
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||||
+ * filesystem.
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+ *
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+ * Copyright (c) 2021
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||||
+ * Phillip Lougher <phillip@squashfs.org.uk>
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||||
+ *
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||||
+ * This program is free software; you can redistribute it and/or
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||||
+ * modify it under the terms of the GNU General Public License
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||||
+ * as published by the Free Software Foundation; either version 2,
|
||||
+ * or (at your option) any later version.
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||||
+ *
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||||
+ * This program 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.
|
||||
+ *
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||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program; if not, write to the Free Software
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||||
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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||||
+ *
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||||
+ * unsquash-12.c
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||||
+ *
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||||
+ * Helper functions used by unsquash-1 and unsquash-2.
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||||
+ */
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||||
+
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+#include "unsquashfs.h"
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||||
+
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||||
+/*
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||||
+ * Bottom up linked list merge sort.
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||||
+ *
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||||
+ */
|
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+void sort_directory(struct dir *dir)
|
||||
+{
|
||||
+ struct dir_ent *cur, *l1, *l2, *next;
|
||||
+ int len1, len2, stride = 1;
|
||||
+
|
||||
+ if (dir->dir_count < 2)
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||||
+ return;
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||||
+
|
||||
+ /*
|
||||
+ * We can consider our linked-list to be made up of stride length
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||||
+ * sublists. Each iteration around this loop merges adjacent
|
||||
+ * stride length sublists into larger 2*stride sublists. We stop
|
||||
+ * when stride becomes equal to the entire list.
|
||||
+ *
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||||
+ * Initially stride = 1 (by definition a sublist of 1 is sorted), and
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||||
+ * these 1 element sublists are merged into 2 element sublists, which
|
||||
+ * are then merged into 4 element sublists and so on.
|
||||
+ */
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||||
+ do {
|
||||
+ l2 = dir->dirs; /* head of current linked list */
|
||||
+ cur = NULL; /* empty output list */
|
||||
+
|
||||
+ /*
|
||||
+ * Iterate through the linked list, merging adjacent sublists.
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||||
+ * On each interation l2 points to the next sublist pair to be
|
||||
+ * merged (if there's only one sublist left this is simply added
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||||
+ * to the output list)
|
||||
+ */
|
||||
+ while (l2) {
|
||||
+ l1 = l2;
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||||
+ for (len1 = 0; l2 && len1 < stride; len1 ++, l2 = l2->next);
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||||
+ len2 = stride;
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+
|
||||
+ /*
|
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+ * l1 points to first sublist.
|
||||
+ * l2 points to second sublist.
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+ * Merge them onto the output list
|
||||
+ */
|
||||
+ while (len1 && l2 && len2) {
|
||||
+ if(strcmp(l1->name, l2->name) <= 0) {
|
||||
+ next = l1;
|
||||
+ l1 = l1->next;
|
||||
+ len1 --;
|
||||
+ } else {
|
||||
+ next = l2;
|
||||
+ l2 = l2->next;
|
||||
+ len2 --;
|
||||
+ }
|
||||
+
|
||||
+ if (cur) {
|
||||
+ cur->next = next;
|
||||
+ cur = next;
|
||||
+ } else
|
||||
+ dir->dirs = cur = next;
|
||||
+ }
|
||||
+ /*
|
||||
+ * One sublist is now empty, copy the other one onto the
|
||||
+ * output list
|
||||
+ */
|
||||
+ for (; len1; len1 --, l1 = l1->next) {
|
||||
+ if(cur) {
|
||||
+ cur->next = l1;
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||||
+ cur = l1;
|
||||
+ } else
|
||||
+ dir->dirs = cur = l1;
|
||||
+ }
|
||||
+ }
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||||
+ cur->next = NULL;
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||||
+ stride = stride << 1;
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||||
+ } while(stride < dir->dir_count);
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||||
+}
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diff -Nupr a/squashfs-tools/unsquash-1.c b/squashfs-tools/unsquash-1.c
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||||
--- a/squashfs-tools/unsquash-1.c 2023-06-26 23:57:01.519732066 -0500
|
||||
+++ b/squashfs-tools/unsquash-1.c 2023-06-26 23:57:52.192705923 -0500
|
||||
@@ -211,7 +211,7 @@ struct dir *squashfs_opendir_1(unsigned
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||||
long long start;
|
||||
int bytes;
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||||
int dir_count, size;
|
||||
- struct dir_ent *new_dir;
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||||
+ struct dir_ent *ent, *cur_ent = NULL;
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||||
struct dir *dir;
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||||
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||||
TRACE("squashfs_opendir: inode start block %d, offset %d\n",
|
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@@ -224,7 +224,7 @@ struct dir *squashfs_opendir_1(unsigned
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EXIT_UNSQUASH("squashfs_opendir: malloc failed!\n");
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||||
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||||
dir->dir_count = 0;
|
||||
- dir->cur_entry = 0;
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||||
+ dir->cur_entry = NULL;
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dir->mode = (*i)->mode;
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||||
dir->uid = (*i)->uid;
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dir->guid = (*i)->gid;
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@@ -295,29 +295,37 @@ struct dir *squashfs_opendir_1(unsigned
|
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TRACE("squashfs_opendir: directory entry %s, inode "
|
||||
"%d:%d, type %d\n", dire->name,
|
||||
dirh.start_block, dire->offset, dire->type);
|
||||
- if((dir->dir_count % DIR_ENT_SIZE) == 0) {
|
||||
- new_dir = realloc(dir->dirs, (dir->dir_count +
|
||||
- DIR_ENT_SIZE) * sizeof(struct dir_ent));
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||||
- if(new_dir == NULL)
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- EXIT_UNSQUASH("squashfs_opendir: "
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- "realloc failed!\n");
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||||
- dir->dirs = new_dir;
|
||||
- }
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||||
- strcpy(dir->dirs[dir->dir_count].name, dire->name);
|
||||
- dir->dirs[dir->dir_count].start_block =
|
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- dirh.start_block;
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||||
- dir->dirs[dir->dir_count].offset = dire->offset;
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- dir->dirs[dir->dir_count].type = dire->type;
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||||
+
|
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+ ent = malloc(sizeof(struct dir_ent));
|
||||
+ if (ent == NULL)
|
||||
+ MEM_ERROR();
|
||||
+
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||||
+ ent->name = strdup(dire->name);
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+ ent->start_block = dirh.start_block;
|
||||
+ ent->offset = dire->offset;
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+ ent->type = dire->type;
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||||
+ ent->next = NULL;
|
||||
+ if (cur_ent == NULL)
|
||||
+ dir->dirs = ent;
|
||||
+ else
|
||||
+ cur_ent->next = ent;
|
||||
+ cur_ent = ent;
|
||||
dir->dir_count ++;
|
||||
bytes += dire->size + 1;
|
||||
}
|
||||
}
|
||||
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+ /* check directory for duplicate names. Need to sort directory first */
|
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+ sort_directory(dir);
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||||
+ if (check_directory(dir) == FALSE) {
|
||||
+ ERROR("File system corrupted: directory has duplicate names\n");
|
||||
+ goto corrupted;
|
||||
+ }
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||||
+
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return dir;
|
||||
|
||||
corrupted:
|
||||
- free(dir->dirs);
|
||||
- free(dir);
|
||||
+ squashfs_closedir(dir);
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||||
return NULL;
|
||||
}
|
||||
|
||||
diff -Nupr a/squashfs-tools/unsquash-3.c b/squashfs-tools/unsquash-3.c
|
||||
--- a/squashfs-tools/unsquash-3.c 2023-06-26 23:57:01.519732066 -0500
|
||||
+++ b/squashfs-tools/unsquash-3.c 2023-06-26 23:57:52.192705923 -0500
|
||||
@@ -288,7 +288,7 @@ struct dir *squashfs_opendir_3(unsigned
|
||||
long long start;
|
||||
int bytes;
|
||||
int dir_count, size;
|
||||
- struct dir_ent *new_dir;
|
||||
+ struct dir_ent *ent, *cur_ent = NULL;
|
||||
struct dir *dir;
|
||||
|
||||
TRACE("squashfs_opendir: inode start block %d, offset %d\n",
|
||||
@@ -301,7 +301,7 @@ struct dir *squashfs_opendir_3(unsigned
|
||||
EXIT_UNSQUASH("squashfs_opendir: malloc failed!\n");
|
||||
|
||||
dir->dir_count = 0;
|
||||
- dir->cur_entry = 0;
|
||||
+ dir->cur_entry = NULL;
|
||||
dir->mode = (*i)->mode;
|
||||
dir->uid = (*i)->uid;
|
||||
dir->guid = (*i)->gid;
|
||||
@@ -373,28 +373,35 @@ struct dir *squashfs_opendir_3(unsigned
|
||||
TRACE("squashfs_opendir: directory entry %s, inode "
|
||||
"%d:%d, type %d\n", dire->name,
|
||||
dirh.start_block, dire->offset, dire->type);
|
||||
- if((dir->dir_count % DIR_ENT_SIZE) == 0) {
|
||||
- new_dir = realloc(dir->dirs, (dir->dir_count +
|
||||
- DIR_ENT_SIZE) * sizeof(struct dir_ent));
|
||||
- if(new_dir == NULL)
|
||||
- EXIT_UNSQUASH("squashfs_opendir: "
|
||||
- "realloc failed!\n");
|
||||
- dir->dirs = new_dir;
|
||||
- }
|
||||
- strcpy(dir->dirs[dir->dir_count].name, dire->name);
|
||||
- dir->dirs[dir->dir_count].start_block =
|
||||
- dirh.start_block;
|
||||
- dir->dirs[dir->dir_count].offset = dire->offset;
|
||||
- dir->dirs[dir->dir_count].type = dire->type;
|
||||
+
|
||||
+ ent = malloc(sizeof(struct dir_ent));
|
||||
+ if (ent == NULL)
|
||||
+ MEM_ERROR();
|
||||
+
|
||||
+ ent->name = strdup(dire->name);
|
||||
+ ent->start_block = dirh.start_block;
|
||||
+ ent->offset = dire->offset;
|
||||
+ ent->type = dire->type;
|
||||
+ ent->next = NULL;
|
||||
+ if (cur_ent == NULL)
|
||||
+ dir->dirs = ent;
|
||||
+ else
|
||||
+ cur_ent->next = ent;
|
||||
+ cur_ent = ent;
|
||||
dir->dir_count ++;
|
||||
bytes += dire->size + 1;
|
||||
}
|
||||
}
|
||||
|
||||
+ /* check directory for duplicate names and sorting */
|
||||
+ if (check_directory(dir) == FALSE) {
|
||||
+ ERROR("File system corrupted: directory has duplicate names or is unsorted\n");
|
||||
+ goto corrupted;
|
||||
+ }
|
||||
+
|
||||
return dir;
|
||||
|
||||
corrupted:
|
||||
- free(dir->dirs);
|
||||
- free(dir);
|
||||
+ squashfs_closedir(dir);
|
||||
return NULL;
|
||||
}
|
||||
diff -Nupr a/squashfs-tools/unsquash-4.c b/squashfs-tools/unsquash-4.c
|
||||
--- a/squashfs-tools/unsquash-4.c 2023-06-26 23:57:01.519732066 -0500
|
||||
+++ b/squashfs-tools/unsquash-4.c 2023-06-26 23:57:52.193705923 -0500
|
||||
@@ -268,7 +268,7 @@ struct dir *squashfs_opendir_4(unsigned
|
||||
long long start;
|
||||
int bytes;
|
||||
int dir_count, size;
|
||||
- struct dir_ent *new_dir;
|
||||
+ struct dir_ent *ent, *cur_ent = NULL;
|
||||
struct dir *dir;
|
||||
|
||||
TRACE("squashfs_opendir: inode start block %d, offset %d\n",
|
||||
@@ -281,7 +281,7 @@ struct dir *squashfs_opendir_4(unsigned
|
||||
EXIT_UNSQUASH("squashfs_opendir: malloc failed!\n");
|
||||
|
||||
dir->dir_count = 0;
|
||||
- dir->cur_entry = 0;
|
||||
+ dir->cur_entry = NULL;
|
||||
dir->mode = (*i)->mode;
|
||||
dir->uid = (*i)->uid;
|
||||
dir->guid = (*i)->gid;
|
||||
@@ -342,29 +342,36 @@ struct dir *squashfs_opendir_4(unsigned
|
||||
TRACE("squashfs_opendir: directory entry %s, inode "
|
||||
"%d:%d, type %d\n", dire->name,
|
||||
dirh.start_block, dire->offset, dire->type);
|
||||
- if((dir->dir_count % DIR_ENT_SIZE) == 0) {
|
||||
- new_dir = realloc(dir->dirs, (dir->dir_count +
|
||||
- DIR_ENT_SIZE) * sizeof(struct dir_ent));
|
||||
- if(new_dir == NULL)
|
||||
- EXIT_UNSQUASH("squashfs_opendir: "
|
||||
- "realloc failed!\n");
|
||||
- dir->dirs = new_dir;
|
||||
- }
|
||||
- strcpy(dir->dirs[dir->dir_count].name, dire->name);
|
||||
- dir->dirs[dir->dir_count].start_block =
|
||||
- dirh.start_block;
|
||||
- dir->dirs[dir->dir_count].offset = dire->offset;
|
||||
- dir->dirs[dir->dir_count].type = dire->type;
|
||||
+
|
||||
+ ent = malloc(sizeof(struct dir_ent));
|
||||
+ if (ent == NULL)
|
||||
+ MEM_ERROR();
|
||||
+
|
||||
+ ent->name = strdup(dire->name);
|
||||
+ ent->start_block = dirh.start_block;
|
||||
+ ent->offset = dire->offset;
|
||||
+ ent->type = dire->type;
|
||||
+ ent->next = NULL;
|
||||
+ if (cur_ent == NULL)
|
||||
+ dir->dirs = ent;
|
||||
+ else
|
||||
+ cur_ent->next = ent;
|
||||
+ cur_ent = ent;
|
||||
dir->dir_count ++;
|
||||
bytes += dire->size + 1;
|
||||
}
|
||||
}
|
||||
|
||||
+ /* check directory for duplicate names and sorting */
|
||||
+ if (check_directory(dir) == FALSE) {
|
||||
+ ERROR("File system corrupted: directory has duplicate names or is unsorted\n");
|
||||
+ goto corrupted;
|
||||
+ }
|
||||
+
|
||||
return dir;
|
||||
|
||||
corrupted:
|
||||
- free(dir->dirs);
|
||||
- free(dir);
|
||||
+ squashfs_closedir(dir);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
diff -Nupr a/squashfs-tools/unsquashfs.c b/squashfs-tools/unsquashfs.c
|
||||
--- a/squashfs-tools/unsquashfs.c 2023-06-26 23:57:01.520732065 -0500
|
||||
+++ b/squashfs-tools/unsquashfs.c 2023-06-26 23:57:52.193705923 -0500
|
||||
@@ -1231,14 +1231,18 @@ failed:
|
||||
int squashfs_readdir(struct dir *dir, char **name, unsigned int *start_block,
|
||||
unsigned int *offset, unsigned int *type)
|
||||
{
|
||||
- if(dir->cur_entry == dir->dir_count)
|
||||
+ if (dir->cur_entry == NULL)
|
||||
+ dir->cur_entry = dir->dirs;
|
||||
+ else
|
||||
+ dir->cur_entry = dir->cur_entry->next;
|
||||
+
|
||||
+ if (dir->cur_entry == NULL)
|
||||
return FALSE;
|
||||
|
||||
- *name = dir->dirs[dir->cur_entry].name;
|
||||
- *start_block = dir->dirs[dir->cur_entry].start_block;
|
||||
- *offset = dir->dirs[dir->cur_entry].offset;
|
||||
- *type = dir->dirs[dir->cur_entry].type;
|
||||
- dir->cur_entry ++;
|
||||
+ *name = dir->cur_entry->name;
|
||||
+ *start_block = dir->cur_entry->start_block;
|
||||
+ *offset = dir->cur_entry->offset;
|
||||
+ *type = dir->cur_entry->type;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
@@ -1246,7 +1250,16 @@ unsigned int *offset, unsigned int *type
|
||||
|
||||
void squashfs_closedir(struct dir *dir)
|
||||
{
|
||||
- free(dir->dirs);
|
||||
+ struct dir_ent *ent = dir->dirs;
|
||||
+
|
||||
+ while (ent) {
|
||||
+ struct dir_ent *tmp = ent;
|
||||
+
|
||||
+ ent = ent->next;
|
||||
+ free(tmp->name);
|
||||
+ free(tmp);
|
||||
+ }
|
||||
+
|
||||
free(dir);
|
||||
}
|
||||
|
||||
@@ -1895,6 +1908,7 @@ int read_super(char *source)
|
||||
* 1.x, 2.x and 3.x filesystems use gzip compression.
|
||||
*/
|
||||
comp = lookup_compressor("gzip");
|
||||
+
|
||||
return TRUE;
|
||||
|
||||
failed_mount:
|
||||
diff -Nupr a/squashfs-tools/unsquashfs.h b/squashfs-tools/unsquashfs.h
|
||||
--- a/squashfs-tools/unsquashfs.h 2023-06-26 23:57:01.520732065 -0500
|
||||
+++ b/squashfs-tools/unsquashfs.h 2023-06-26 23:57:52.193705923 -0500
|
||||
@@ -168,21 +168,22 @@ struct queue {
|
||||
#define DIR_ENT_SIZE 16
|
||||
|
||||
struct dir_ent {
|
||||
- char name[SQUASHFS_NAME_LEN + 1];
|
||||
+ char *name;
|
||||
unsigned int start_block;
|
||||
unsigned int offset;
|
||||
unsigned int type;
|
||||
+ struct dir_ent *next;
|
||||
};
|
||||
|
||||
struct dir {
|
||||
int dir_count;
|
||||
- int cur_entry;
|
||||
unsigned int mode;
|
||||
uid_t uid;
|
||||
gid_t guid;
|
||||
unsigned int mtime;
|
||||
unsigned int xattr;
|
||||
struct dir_ent *dirs;
|
||||
+ struct dir_ent *cur_entry;
|
||||
};
|
||||
|
||||
struct file_entry {
|
||||
@@ -278,4 +279,10 @@ extern int read_uids_guids_4();
|
||||
|
||||
/* unsquash-1234.c */
|
||||
extern int check_name(char *, int);
|
||||
+
|
||||
+extern void squashfs_closedir(struct dir *);
|
||||
+extern int check_directory(struct dir *);
|
||||
+
|
||||
+/* unsquash-12.c */
|
||||
+extern void sort_directory(struct dir *);
|
||||
#endif
|
||||
@ -1,13 +0,0 @@
|
||||
--- a/squashfs-tools/mksquashfs.c
|
||||
+++ b/squashfs-tools/mksquashfs.c
|
||||
@@ -2447,8 +2447,8 @@ void *frag_deflator(void *arg)
|
||||
write_buffer->block = bytes;
|
||||
bytes += compressed_size;
|
||||
fragments_outstanding --;
|
||||
- pthread_mutex_unlock(&fragment_mutex);
|
||||
queue_put(to_writer, write_buffer);
|
||||
+ pthread_mutex_unlock(&fragment_mutex);
|
||||
TRACE("Writing fragment %lld, uncompressed size %d, "
|
||||
"compressed size %d\n", file_buffer->block,
|
||||
file_buffer->size, compressed_size);
|
||||
|
||||
@ -1,20 +0,0 @@
|
||||
--- a/squashfs-tools/unsquashfs.c 2021-01-14 14:34:49.658184361 -0600
|
||||
+++ b/squashfs-tools/unsquashfs.c 2021-01-14 14:50:19.604100949 -0600
|
||||
@@ -822,8 +822,6 @@ int set_attributes(char *pathname, int m
|
||||
{
|
||||
struct utimbuf times = { time, time };
|
||||
|
||||
- write_xattr(pathname, xattr);
|
||||
-
|
||||
if(utime(pathname, ×) == -1) {
|
||||
ERROR("set_attributes: failed to set time on %s, because %s\n",
|
||||
pathname, strerror(errno));
|
||||
@@ -846,6 +844,8 @@ int set_attributes(char *pathname, int m
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
+ write_xattr(pathname, xattr);
|
||||
+
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
@ -1,204 +0,0 @@
|
||||
diff -Nupr a/squashfs-tools/Makefile b/squashfs-tools/Makefile
|
||||
--- a/squashfs-tools/Makefile 2021-10-08 12:02:28.881477426 -0500
|
||||
+++ b/squashfs-tools/Makefile 2021-10-08 11:47:05.503307841 -0500
|
||||
@@ -117,7 +117,7 @@ MKSQUASHFS_OBJS = mksquashfs.o read_fs.o
|
||||
caches-queues-lists.o
|
||||
|
||||
UNSQUASHFS_OBJS = unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o \
|
||||
- unsquash-4.o swap.o compressor.o unsquashfs_info.o
|
||||
+ unsquash-4.o unsquash-1234.o swap.o compressor.o unsquashfs_info.o
|
||||
|
||||
CFLAGS ?= -O2
|
||||
CFLAGS += $(EXTRA_CFLAGS) $(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 \
|
||||
@@ -292,6 +292,8 @@ unsquash-3.o: unsquashfs.h unsquash-3.c
|
||||
unsquash-4.o: unsquashfs.h unsquash-4.c squashfs_fs.h squashfs_swap.h \
|
||||
read_fs.h
|
||||
|
||||
+unsquash-1234.o: unsquash-1234.c
|
||||
+
|
||||
unsquashfs_xattr.o: unsquashfs_xattr.c unsquashfs.h squashfs_fs.h xattr.h
|
||||
|
||||
unsquashfs_info.o: unsquashfs.h squashfs_fs.h
|
||||
diff -Nupr a/squashfs-tools/unsquash-1234.c b/squashfs-tools/unsquash-1234.c
|
||||
--- a/squashfs-tools/unsquash-1234.c 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ b/squashfs-tools/unsquash-1234.c 2021-10-08 11:49:06.032243697 -0500
|
||||
@@ -0,0 +1,58 @@
|
||||
+/*
|
||||
+ * Unsquash a squashfs filesystem. This is a highly compressed read only
|
||||
+ * filesystem.
|
||||
+ *
|
||||
+ * Copyright (c) 2021
|
||||
+ * Phillip Lougher <phillip@squashfs.org.uk>
|
||||
+ *
|
||||
+ * 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 the Free Software Foundation; either version 2,
|
||||
+ * or (at your option) any later version.
|
||||
+ *
|
||||
+ * This program 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 this program; if not, write to the Free Software
|
||||
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
+ *
|
||||
+ * unsquash-1234.c
|
||||
+ *
|
||||
+ * Helper functions used by unsquash-1, unsquash-2, unsquash-3 and
|
||||
+ * unsquash-4.
|
||||
+ */
|
||||
+
|
||||
+#define TRUE 1
|
||||
+#define FALSE 0
|
||||
+/*
|
||||
+ * Check name for validity, name should not
|
||||
+ * - be ".", "./", or
|
||||
+ * - be "..", "../" or
|
||||
+ * - have a "/" anywhere in the name, or
|
||||
+ * - be shorter than the expected size
|
||||
+ */
|
||||
+int check_name(char *name, int size)
|
||||
+{
|
||||
+ char *start = name;
|
||||
+
|
||||
+ if(name[0] == '.') {
|
||||
+ if(name[1] == '.')
|
||||
+ name++;
|
||||
+ if(name[1] == '/' || name[1] == '\0')
|
||||
+ return FALSE;
|
||||
+ }
|
||||
+
|
||||
+ while(name[0] != '/' && name[0] != '\0')
|
||||
+ name ++;
|
||||
+
|
||||
+ if(name[0] == '/')
|
||||
+ return FALSE;
|
||||
+
|
||||
+ if((name - start) != size)
|
||||
+ return FALSE;
|
||||
+
|
||||
+ return TRUE;
|
||||
+}
|
||||
diff -Nupr a/squashfs-tools/unsquash-1.c b/squashfs-tools/unsquash-1.c
|
||||
--- a/squashfs-tools/unsquash-1.c 2014-03-08 23:31:59.000000000 -0600
|
||||
+++ b/squashfs-tools/unsquash-1.c 2021-10-08 11:51:18.827274779 -0500
|
||||
@@ -2,7 +2,7 @@
|
||||
* Unsquash a squashfs filesystem. This is a highly compressed read only
|
||||
* filesystem.
|
||||
*
|
||||
- * Copyright (c) 2009, 2010, 2011, 2012
|
||||
+ * Copyright (c) 2009, 2010, 2011, 2012, 2021
|
||||
* Phillip Lougher <phillip@squashfs.org.uk>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
@@ -285,6 +285,13 @@ struct dir *squashfs_opendir_1(unsigned
|
||||
memcpy(dire->name, directory_table + bytes,
|
||||
dire->size + 1);
|
||||
dire->name[dire->size + 1] = '\0';
|
||||
+
|
||||
+ /* check name for invalid characters (i.e /, ., ..) */
|
||||
+ if(check_name(dire->name, dire->size + 1) == FALSE) {
|
||||
+ ERROR("File system corrupted: invalid characters in name\n");
|
||||
+ goto corrupted;
|
||||
+ }
|
||||
+
|
||||
TRACE("squashfs_opendir: directory entry %s, inode "
|
||||
"%d:%d, type %d\n", dire->name,
|
||||
dirh.start_block, dire->offset, dire->type);
|
||||
diff -Nupr a/squashfs-tools/unsquash-3.c b/squashfs-tools/unsquash-3.c
|
||||
--- a/squashfs-tools/unsquash-3.c 2014-03-08 23:31:59.000000000 -0600
|
||||
+++ b/squashfs-tools/unsquash-3.c 2021-10-08 11:56:30.881697731 -0500
|
||||
@@ -2,7 +2,7 @@
|
||||
* Unsquash a squashfs filesystem. This is a highly compressed read only
|
||||
* filesystem.
|
||||
*
|
||||
- * Copyright (c) 2009, 2010, 2011, 2012, 2013
|
||||
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2021
|
||||
* Phillip Lougher <phillip@squashfs.org.uk>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
@@ -363,6 +363,13 @@ struct dir *squashfs_opendir_3(unsigned
|
||||
memcpy(dire->name, directory_table + bytes,
|
||||
dire->size + 1);
|
||||
dire->name[dire->size + 1] = '\0';
|
||||
+
|
||||
+ /* check name for invalid characters (i.e /, ., ..) */
|
||||
+ if(check_name(dire->name, dire->size + 1) == FALSE) {
|
||||
+ ERROR("File system corrupted: invalid characters in name\n");
|
||||
+ goto corrupted;
|
||||
+ }
|
||||
+
|
||||
TRACE("squashfs_opendir: directory entry %s, inode "
|
||||
"%d:%d, type %d\n", dire->name,
|
||||
dirh.start_block, dire->offset, dire->type);
|
||||
diff -Nupr a/squashfs-tools/unsquash-4.c b/squashfs-tools/unsquash-4.c
|
||||
--- a/squashfs-tools/unsquash-4.c 2021-10-08 12:02:28.879477411 -0500
|
||||
+++ b/squashfs-tools/unsquash-4.c 2021-10-08 11:57:20.357081890 -0500
|
||||
@@ -2,7 +2,7 @@
|
||||
* Unsquash a squashfs filesystem. This is a highly compressed read only
|
||||
* filesystem.
|
||||
*
|
||||
- * Copyright (c) 2009, 2010, 2011, 2012, 2013
|
||||
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2021
|
||||
* Phillip Lougher <phillip@squashfs.org.uk>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
@@ -332,6 +332,13 @@ struct dir *squashfs_opendir_4(unsigned
|
||||
memcpy(dire->name, directory_table + bytes,
|
||||
dire->size + 1);
|
||||
dire->name[dire->size + 1] = '\0';
|
||||
+
|
||||
+ /* check name for invalid characters (i.e /, ., ..) */
|
||||
+ if(check_name(dire->name, dire->size + 1) == FALSE) {
|
||||
+ ERROR("File system corrupted: invalid characters in name\n");
|
||||
+ goto corrupted;
|
||||
+ }
|
||||
+
|
||||
TRACE("squashfs_opendir: directory entry %s, inode "
|
||||
"%d:%d, type %d\n", dire->name,
|
||||
dirh.start_block, dire->offset, dire->type);
|
||||
diff -Nupr a/squashfs-tools/unsquashfs.c b/squashfs-tools/unsquashfs.c
|
||||
--- a/squashfs-tools/unsquashfs.c 2021-10-08 12:02:28.888477481 -0500
|
||||
+++ b/squashfs-tools/unsquashfs.c 2021-10-08 11:59:29.508084687 -0500
|
||||
@@ -3,7 +3,7 @@
|
||||
* filesystem.
|
||||
*
|
||||
* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
|
||||
- * 2012, 2013, 2014
|
||||
+ * 2012, 2013, 2014, 2021
|
||||
* Phillip Lougher <phillip@squashfs.org.uk>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
@@ -2478,8 +2478,8 @@ int parse_number(char *arg, int *res)
|
||||
|
||||
|
||||
#define VERSION() \
|
||||
- printf("unsquashfs version 4.3 (2014/05/12)\n");\
|
||||
- printf("copyright (C) 2014 Phillip Lougher "\
|
||||
+ printf("unsquashfs version 4.3 (2021/10/8)\n");\
|
||||
+ printf("copyright (C) 2021 Phillip Lougher "\
|
||||
"<phillip@squashfs.org.uk>\n\n");\
|
||||
printf("This program is free software; you can redistribute it and/or"\
|
||||
"\n");\
|
||||
diff -Nupr a/squashfs-tools/unsquashfs.h b/squashfs-tools/unsquashfs.h
|
||||
--- a/squashfs-tools/unsquashfs.h 2014-05-09 23:54:13.000000000 -0500
|
||||
+++ b/squashfs-tools/unsquashfs.h 2021-10-08 12:01:00.424790607 -0500
|
||||
@@ -4,7 +4,7 @@
|
||||
* Unsquash a squashfs filesystem. This is a highly compressed read only
|
||||
* filesystem.
|
||||
*
|
||||
- * Copyright (c) 2009, 2010, 2013, 2014
|
||||
+ * Copyright (c) 2009, 2010, 2013, 2014, 2021
|
||||
* Phillip Lougher <phillip@squashfs.org.uk>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
@@ -275,4 +275,7 @@ extern struct inode *read_inode_4(unsign
|
||||
extern struct dir *squashfs_opendir_4(unsigned int, unsigned int,
|
||||
struct inode **);
|
||||
extern int read_uids_guids_4();
|
||||
+
|
||||
+/* unsquash-1234.c */
|
||||
+extern int check_name(char *, int);
|
||||
#endif
|
||||
@ -1,7 +1,7 @@
|
||||
Summary: Utility for the creation of squashfs filesystems
|
||||
Name: squashfs-tools
|
||||
Version: 4.3
|
||||
Release: 21%{?dist}
|
||||
Release: 19%{?dist}
|
||||
License: GPLv2+
|
||||
Group: System Environment/Base
|
||||
URL: http://squashfs.sourceforge.net/
|
||||
@ -33,14 +33,6 @@ Patch6: bz1602698.patch
|
||||
Patch7: bz1624173.patch
|
||||
# rhbz 1716278
|
||||
Patch8: bz1716278.patch
|
||||
# rhbz 1754815
|
||||
Patch9: bz1754815.patch
|
||||
# rhbz 1895017
|
||||
Patch10: bz1895017.patch
|
||||
# rhbz 2000637 - CVE-2021-40153
|
||||
Patch11: bz2000637.patch
|
||||
# rhbz 2007303 - CVE-2021-41072
|
||||
Patch12: CVE-2021-41072-c8s-combined.patch
|
||||
|
||||
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
|
||||
BuildRequires: zlib-devel
|
||||
@ -64,10 +56,6 @@ contains the utilities for manipulating squashfs filesystems.
|
||||
%patch6 -p1
|
||||
%patch7 -p1
|
||||
%patch8 -p1
|
||||
%patch9 -p1
|
||||
%patch10 -p1
|
||||
%patch11 -p1
|
||||
%patch12 -p1
|
||||
|
||||
%build
|
||||
pushd squashfs-tools
|
||||
@ -94,16 +82,6 @@ rm -rf %{buildroot}
|
||||
%{_sbindir}/unsquashfs
|
||||
|
||||
%changelog
|
||||
* Mon Sep 18 2023 Abhi Das <adas@redhat.com> - 4.3-21
|
||||
- CVE-2021-41072 squashfs-tools: additional write outside destination directory exploit fix
|
||||
CVE-2021-40153 squashfs-tools: unvalidated filepaths allow writing outside of destination
|
||||
Resolves: rhbz#2007303 rhbz#2000637
|
||||
|
||||
* Thu Feb 25 2021 Abhi Das <adas@redhat.com> - 4.3-20
|
||||
- rhbz#1895017 - unsquashfs does not preserve file capabilities
|
||||
rhbz#1754815 - Kdump: Building kdump initramfs img may fail with 'dracut: Failed making squash image' occasionally
|
||||
Resolves: rhbz#1895017, rhbz#1754815
|
||||
|
||||
* Tue Aug 06 2019 Abhi Das <adas@redhat.com> - 4.3-19
|
||||
- rhbz#1602698 - Fix coverity issues
|
||||
rhbz#1624173 - Fix annocheck failures
|
||||
|
||||
Loading…
Reference in New Issue
Block a user