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-rw-r--r--difftool/extract.c2
-rw-r--r--difftool/node_compare.c4
-rw-r--r--difftool/sqfsdiff.c40
-rw-r--r--difftool/sqfsdiff.h1
-rw-r--r--include/highlevel.h2
-rw-r--r--lib/sqfshelper/data_reader_dump.c10
-rw-r--r--tar/sqfs2tar.c90
-rw-r--r--unpack/fill_files.c3
-rw-r--r--unpack/rdsquashfs.c56
-rw-r--r--unpack/rdsquashfs.h1
10 files changed, 139 insertions, 70 deletions
diff --git a/difftool/extract.c b/difftool/extract.c
index c0cebfd..df00977 100644
--- a/difftool/extract.c
+++ b/difftool/extract.c
@@ -27,7 +27,7 @@ static int extract(sqfs_data_reader_t *data, const sqfs_inode_generic_t *inode,
return -1;
}
- if (sqfs_data_reader_dump(data, inode, fd, block_size, true)) {
+ if (sqfs_data_reader_dump(path, data, inode, fd, block_size, true)) {
close(fd);
return -1;
}
diff --git a/difftool/node_compare.c b/difftool/node_compare.c
index 7638805..1612d34 100644
--- a/difftool/node_compare.c
+++ b/difftool/node_compare.c
@@ -12,8 +12,10 @@ int node_compare(sqfsdiff_t *sd, sqfs_tree_node_t *a, sqfs_tree_node_t *b)
sqfs_tree_node_t *ait, *bit;
int ret, status = 0;
- if (path == NULL)
+ if (path == NULL) {
+ perror("constructing absolute file path");
return -1;
+ }
if (a->inode->base.type != b->inode->base.type) {
fprintf(stdout, "%s has a different type\n", path);
diff --git a/difftool/sqfsdiff.c b/difftool/sqfsdiff.c
index 4209c9a..7479938 100644
--- a/difftool/sqfsdiff.c
+++ b/difftool/sqfsdiff.c
@@ -8,15 +8,17 @@
static int open_sfqs(sqfs_state_t *state, const char *path)
{
+ int ret;
+
state->file = sqfs_open_file(path, SQFS_FILE_OPEN_READ_ONLY);
if (state->file == NULL) {
perror(path);
return -1;
}
- if (sqfs_super_read(&state->super, state->file)) {
- fprintf(stderr, "error reading super block from %s\n",
- path);
+ ret = sqfs_super_read(&state->super, state->file);
+ if (ret) {
+ sqfs_perror(path, "reading super block", ret);
goto fail_file;
}
@@ -37,35 +39,38 @@ static int open_sfqs(sqfs_state_t *state, const char *path)
}
if (state->super.flags & SQFS_FLAG_COMPRESSOR_OPTIONS) {
- if (state->cmp->read_options(state->cmp, state->file)) {
- fprintf(stderr, "%s: error loading compressor "
- "options.\n", path);
+ ret = state->cmp->read_options(state->cmp, state->file);
+ if (ret) {
+ sqfs_perror(path, "reading compressor options", ret);
goto fail_cmp;
}
}
state->idtbl = sqfs_id_table_create();
if (state->idtbl == NULL) {
- perror("error creating ID table");
+ sqfs_perror(path, "creating ID table", SQFS_ERROR_ALLOC);
goto fail_cmp;
}
- if (sqfs_id_table_read(state->idtbl, state->file,
- &state->super, state->cmp)) {
- fprintf(stderr, "%s: error loading ID table\n", path);
+ ret = sqfs_id_table_read(state->idtbl, state->file,
+ &state->super, state->cmp);
+ if (ret) {
+ sqfs_perror(path, "loading ID table", ret);
goto fail_id;
}
state->dr = sqfs_dir_reader_create(&state->super, state->cmp,
state->file);
if (state->dr == NULL) {
- perror("creating directory reader");
+ sqfs_perror(path, "creating directory reader",
+ SQFS_ERROR_ALLOC);
goto fail_id;
}
- if (sqfs_dir_reader_get_full_hierarchy(state->dr, state->idtbl,
- NULL, 0, &state->root)) {
- fprintf(stderr, "%s: error loading file system tree\n", path);
+ ret = sqfs_dir_reader_get_full_hierarchy(state->dr, state->idtbl,
+ NULL, 0, &state->root);
+ if (ret) {
+ sqfs_perror(path, "loading filesystem tree", ret);
goto fail_dr;
}
@@ -73,12 +78,15 @@ static int open_sfqs(sqfs_state_t *state, const char *path)
state->super.block_size,
state->cmp);
if (state->data == NULL) {
- fprintf(stderr, "%s: error loading file system tree\n", path);
+ sqfs_perror(path, "creating data reader", SQFS_ERROR_ALLOC);
goto fail_tree;
}
- if (sqfs_data_reader_load_fragment_table(state->data, &state->super))
+ ret = sqfs_data_reader_load_fragment_table(state->data, &state->super);
+ if (ret) {
+ sqfs_perror(path, "loading fragment table", ret);
goto fail_data;
+ }
return 0;
fail_data:
diff --git a/difftool/sqfsdiff.h b/difftool/sqfsdiff.h
index e274353..2b3f2bd 100644
--- a/difftool/sqfsdiff.h
+++ b/difftool/sqfsdiff.h
@@ -9,6 +9,7 @@
#include "config.h"
+#include "sqfs/error.h"
#include "highlevel.h"
#include "fstree.h"
#include "util.h"
diff --git a/include/highlevel.h b/include/highlevel.h
index 068ae01..be2302b 100644
--- a/include/highlevel.h
+++ b/include/highlevel.h
@@ -112,7 +112,7 @@ int inode_stat(const sqfs_tree_node_t *node, struct stat *sb);
char *sqfs_tree_node_get_path(const sqfs_tree_node_t *node);
-int sqfs_data_reader_dump(sqfs_data_reader_t *data,
+int sqfs_data_reader_dump(const char *name, sqfs_data_reader_t *data,
const sqfs_inode_generic_t *inode,
int outfd, size_t block_size, bool allow_sparse);
diff --git a/lib/sqfshelper/data_reader_dump.c b/lib/sqfshelper/data_reader_dump.c
index 160f7f0..1a4ca65 100644
--- a/lib/sqfshelper/data_reader_dump.c
+++ b/lib/sqfshelper/data_reader_dump.c
@@ -16,7 +16,7 @@
#include <string.h>
#include <stdio.h>
-int sqfs_data_reader_dump(sqfs_data_reader_t *data,
+int sqfs_data_reader_dump(const char *name, sqfs_data_reader_t *data,
const sqfs_inode_generic_t *inode,
int outfd, size_t block_size, bool allow_sparse)
{
@@ -46,8 +46,7 @@ int sqfs_data_reader_dump(sqfs_data_reader_t *data,
} else {
err = sqfs_data_reader_get_block(data, inode, i, &blk);
if (err) {
- fprintf(stderr, "error reading "
- "data block: %d\n", err);
+ sqfs_perror(name, "reading data block", err);
return -1;
}
@@ -63,8 +62,9 @@ int sqfs_data_reader_dump(sqfs_data_reader_t *data,
}
if (filesz > 0) {
- if (sqfs_data_reader_get_fragment(data, inode, &blk)) {
- fputs("error reading fragment block", stderr);
+ err = sqfs_data_reader_get_fragment(data, inode, &blk);
+ if (err) {
+ sqfs_perror(name, "reading fragment block", err);
return -1;
}
diff --git a/tar/sqfs2tar.c b/tar/sqfs2tar.c
index cfc3b7f..7b306f9 100644
--- a/tar/sqfs2tar.c
+++ b/tar/sqfs2tar.c
@@ -10,6 +10,7 @@
#include "sqfs/compressor.h"
#include "sqfs/data_reader.h"
#include "sqfs/xattr_reader.h"
+#include "sqfs/error.h"
#include "highlevel.h"
#include "util.h"
#include "tar.h"
@@ -184,7 +185,8 @@ static int terminate_archive(void)
buffer, sizeof(buffer));
}
-static int get_xattrs(const sqfs_inode_generic_t *inode, tar_xattr_t **out)
+static int get_xattrs(const char *name, const sqfs_inode_generic_t *inode,
+ tar_xattr_t **out)
{
tar_xattr_t *list = NULL, *ent;
sqfs_xattr_value_t *value;
@@ -192,6 +194,7 @@ static int get_xattrs(const sqfs_inode_generic_t *inode, tar_xattr_t **out)
sqfs_xattr_id_t desc;
sqfs_u32 index;
size_t i;
+ int ret;
if (xr == NULL)
return 0;
@@ -201,24 +204,28 @@ static int get_xattrs(const sqfs_inode_generic_t *inode, tar_xattr_t **out)
if (index == 0xFFFFFFFF)
return 0;
- if (sqfs_xattr_reader_get_desc(xr, index, &desc)) {
- fputs("Error resolving xattr index\n", stderr);
+ ret = sqfs_xattr_reader_get_desc(xr, index, &desc);
+ if (ret) {
+ sqfs_perror(name, "resolving xattr index", ret);
return -1;
}
- if (sqfs_xattr_reader_seek_kv(xr, &desc)) {
- fputs("Error locating xattr key-value pairs\n", stderr);
+ ret = sqfs_xattr_reader_seek_kv(xr, &desc);
+ if (ret) {
+ sqfs_perror(name, "locating xattr key-value pairs", ret);
return -1;
}
for (i = 0; i < desc.count; ++i) {
- if (sqfs_xattr_reader_read_key(xr, &key)) {
- fputs("Error reading xattr key\n", stderr);
+ ret = sqfs_xattr_reader_read_key(xr, &key);
+ if (ret) {
+ sqfs_perror(name, "reading xattr key", ret);
goto fail;
}
- if (sqfs_xattr_reader_read_value(xr, key, &value)) {
- fputs("Error reading xattr value\n", stderr);
+ ret = sqfs_xattr_reader_read_value(xr, key, &value);
+ if (ret) {
+ sqfs_perror(name, "reading xattr value", ret);
free(key);
goto fail;
}
@@ -278,7 +285,7 @@ static int write_tree_dfs(const sqfs_tree_node_t *n)
inode_stat(n, &sb);
if (!no_xattr) {
- if (get_xattrs(n->inode, &xattr)) {
+ if (get_xattrs(name, n->inode, &xattr)) {
free(name);
return -1;
}
@@ -297,18 +304,25 @@ static int write_tree_dfs(const sqfs_tree_node_t *n)
if (ret > 0)
goto out_skip;
- free(name);
- if (ret < 0)
+ if (ret < 0) {
+ free(name);
return -1;
+ }
if (S_ISREG(sb.st_mode)) {
- if (sqfs_data_reader_dump(data, n->inode, STDOUT_FILENO,
- super.block_size, false))
+ if (sqfs_data_reader_dump(name, data, n->inode, STDOUT_FILENO,
+ super.block_size, false)) {
+ free(name);
return -1;
+ }
- if (padd_file(STDOUT_FILENO, sb.st_size, 512))
+ if (padd_file(STDOUT_FILENO, sb.st_size, 512)) {
+ free(name);
return -1;
+ }
}
+
+ free(name);
skip_hdr:
for (n = n->children; n != NULL; n = n->next) {
if (write_tree_dfs(n))
@@ -384,8 +398,9 @@ int main(int argc, char **argv)
goto out_dirs;
}
- if (sqfs_super_read(&super, file)) {
- fprintf(stderr, "%s: error reading super block.\n", filename);
+ ret = sqfs_super_read(&super, file);
+ if (ret) {
+ sqfs_perror(filename, "reading super block", ret);
goto out_fd;
}
@@ -399,12 +414,18 @@ int main(int argc, char **argv)
SQFS_COMP_FLAG_UNCOMPRESS);
cmp = sqfs_compressor_create(&cfg);
- if (cmp == NULL)
+ if (cmp == NULL) {
+ fputs("Error creating compressor.\n", stderr);
goto out_fd;
+ }
if (super.flags & SQFS_FLAG_COMPRESSOR_OPTIONS) {
- if (cmp->read_options(cmp, file))
+ ret = cmp->read_options(cmp, file);
+ if (ret) {
+ sqfs_perror(filename, "reading compressor options",
+ ret);
goto out_cmp;
+ }
}
idtbl = sqfs_id_table_create();
@@ -414,32 +435,43 @@ int main(int argc, char **argv)
goto out_cmp;
}
- if (sqfs_id_table_read(idtbl, file, &super, cmp)) {
- fputs("error loading ID table\n", stderr);
+ ret = sqfs_id_table_read(idtbl, file, &super, cmp);
+ if (ret) {
+ sqfs_perror(filename, "loading ID table", ret);
goto out_id;
}
data = sqfs_data_reader_create(file, super.block_size, cmp);
- if (data == NULL)
+ if (data == NULL) {
+ sqfs_perror(filename, "creating data reader",
+ SQFS_ERROR_ALLOC);
goto out_id;
+ }
- if (sqfs_data_reader_load_fragment_table(data, &super))
+ ret = sqfs_data_reader_load_fragment_table(data, &super);
+ if (ret) {
+ sqfs_perror(filename, "loading fragment table", ret);
goto out_data;
+ }
dr = sqfs_dir_reader_create(&super, cmp, file);
if (dr == NULL) {
- perror("creating dir reader");
+ sqfs_perror(filename, "creating dir reader",
+ SQFS_ERROR_ALLOC);
goto out_data;
}
if (!no_xattr && !(super.flags & SQFS_FLAG_NO_XATTRS)) {
xr = sqfs_xattr_reader_create(file, &super, cmp);
if (xr == NULL) {
+ sqfs_perror(filename, "creating xattr reader",
+ SQFS_ERROR_ALLOC);
goto out_dr;
}
- if (sqfs_xattr_reader_load_locations(xr)) {
- fputs("error loading xattr table\n", stderr);
+ ret = sqfs_xattr_reader_load_locations(xr);
+ if (ret) {
+ sqfs_perror(filename, "loading xattr table", ret);
goto out_xr;
}
}
@@ -448,7 +480,7 @@ int main(int argc, char **argv)
ret = sqfs_dir_reader_get_full_hierarchy(dr, idtbl, NULL,
0, &root);
if (ret) {
- fputs("error loading file system tree", stderr);
+ sqfs_perror(filename, "loading filesystem tree", ret);
goto out;
}
} else {
@@ -463,8 +495,8 @@ int main(int argc, char **argv)
flags,
&subtree);
if (ret) {
- fprintf(stderr, "error loading '%s'\n",
- subdirs[i]);
+ sqfs_perror(subdirs[i], "loading filesystem "
+ "tree", ret);
goto out;
}
diff --git a/unpack/fill_files.c b/unpack/fill_files.c
index 12b39fb..481c398 100644
--- a/unpack/fill_files.c
+++ b/unpack/fill_files.c
@@ -143,7 +143,8 @@ static int fill_files(sqfs_data_reader_t *data, int flags)
if (!(flags & UNPACK_QUIET))
printf("unpacking %s\n", files[i].path);
- if (sqfs_data_reader_dump(data, files[i].inode, fd, block_size,
+ if (sqfs_data_reader_dump(files[i].path, data, files[i].inode,
+ fd, block_size,
(flags & UNPACK_NO_SPARSE) == 0)) {
close(fd);
return -1;
diff --git a/unpack/rdsquashfs.c b/unpack/rdsquashfs.c
index 7bb1ab4..5ef367b 100644
--- a/unpack/rdsquashfs.c
+++ b/unpack/rdsquashfs.c
@@ -29,9 +29,9 @@ int main(int argc, char **argv)
goto out_cmd;
}
- if (sqfs_super_read(&super, file)) {
- fprintf(stderr, "%s: error reading super block.\n",
- opt.image_name);
+ ret = sqfs_super_read(&super, file);
+ if (ret) {
+ sqfs_perror(opt.image_name, "reading super block", ret);
goto out_file;
}
@@ -46,51 +46,73 @@ int main(int argc, char **argv)
SQFS_COMP_FLAG_UNCOMPRESS);
cmp = sqfs_compressor_create(&cfg);
- if (cmp == NULL)
+ if (cmp == NULL) {
+ fputs("Error creating compressor.\n", stderr);
goto out_file;
+ }
if (super.flags & SQFS_FLAG_COMPRESSOR_OPTIONS) {
- if (cmp->read_options(cmp, file))
+ ret = cmp->read_options(cmp, file);
+ if (ret) {
+ sqfs_perror(opt.image_name, "reading compressor "
+ "options", ret);
goto out_cmp;
+ }
}
if (!(super.flags & SQFS_FLAG_NO_XATTRS)) {
xattr = sqfs_xattr_reader_create(file, &super, cmp);
+ if (xattr == NULL) {
+ sqfs_perror(opt.image_name, "creating xattr reader",
+ SQFS_ERROR_ALLOC);
+ goto out_cmp;
+ }
- if (sqfs_xattr_reader_load_locations(xattr)) {
- fputs("Error loading xattr table\n", stderr);
+ ret = sqfs_xattr_reader_load_locations(xattr);
+ if (ret) {
+ sqfs_perror(opt.image_name, "loading xattr table",
+ ret);
goto out_xr;
}
}
idtbl = sqfs_id_table_create();
if (idtbl == NULL) {
- perror("creating ID table");
+ sqfs_perror(opt.image_name, "creating ID table",
+ SQFS_ERROR_ALLOC);
goto out_xr;
}
- if (sqfs_id_table_read(idtbl, file, &super, cmp)) {
- fputs("error loading ID table\n", stderr);
+ ret = sqfs_id_table_read(idtbl, file, &super, cmp);
+ if (ret) {
+ sqfs_perror(opt.image_name, "loading ID table", ret);
goto out_id;
}
dirrd = sqfs_dir_reader_create(&super, cmp, file);
if (dirrd == NULL) {
- perror("creating dir reader");
+ sqfs_perror(opt.image_name, "creating dir reader",
+ SQFS_ERROR_ALLOC);
goto out_id;
}
data = sqfs_data_reader_create(file, super.block_size, cmp);
- if (data == NULL)
+ if (data == NULL) {
+ sqfs_perror(opt.image_name, "creating data reader",
+ SQFS_ERROR_ALLOC);
goto out_dr;
+ }
- if (sqfs_data_reader_load_fragment_table(data, &super))
+ ret = sqfs_data_reader_load_fragment_table(data, &super);
+ if (ret) {
+ sqfs_perror(opt.image_name, "loading fragment table", ret);
goto out_data;
+ }
ret = sqfs_dir_reader_get_full_hierarchy(dirrd, idtbl, opt.cmdpath,
opt.rdtree_flags, &n);
if (ret) {
- fprintf(stderr, "error reading hierarchy: %d\n", ret);
+ sqfs_perror(opt.image_name, "reading filesystem tree", ret);
goto out_data;
}
@@ -105,9 +127,11 @@ int main(int argc, char **argv)
goto out;
}
- if (sqfs_data_reader_dump(data, n->inode, STDOUT_FILENO,
- super.block_size, false))
+ if (sqfs_data_reader_dump(opt.cmdpath, data, n->inode,
+ STDOUT_FILENO,
+ super.block_size, false)) {
goto out;
+ }
break;
case OP_UNPACK:
if (opt.unpack_root != NULL) {
diff --git a/unpack/rdsquashfs.h b/unpack/rdsquashfs.h
index 5de89be..572a48b 100644
--- a/unpack/rdsquashfs.h
+++ b/unpack/rdsquashfs.h
@@ -16,6 +16,7 @@
#include "sqfs/id_table.h"
#include "sqfs/xattr.h"
#include "sqfs/block.h"
+#include "sqfs/error.h"
#include "highlevel.h"
#include "fstree.h"
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 06:08:11 +0000