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-rw-r--r--bin/rdsquashfs/describe.c2
-rw-r--r--bin/rdsquashfs/fill_files.c2
-rw-r--r--bin/rdsquashfs/restore_fstree.c4
-rw-r--r--bin/sqfs2tar/write_tree.c2
-rw-r--r--include/util/util.h6
-rw-r--r--lib/common/hardlink.c2
-rw-r--r--lib/util/filename_sane.c56
-rw-r--r--tests/libutil/Makemodule.am7
-rw-r--r--tests/libutil/filename_sane.c51
9 files changed, 11 insertions, 121 deletions
diff --git a/bin/rdsquashfs/describe.c b/bin/rdsquashfs/describe.c
index 540b126..8c0fb16 100644
--- a/bin/rdsquashfs/describe.c
+++ b/bin/rdsquashfs/describe.c
@@ -76,7 +76,7 @@ int describe_tree(const sqfs_tree_node_t *root, const char *unpack_root)
{
const sqfs_tree_node_t *n;
- if (!is_filename_sane((const char *)root->name, false)) {
+ if (!is_filename_sane((const char *)root->name)) {
fprintf(stderr, "Encountered illegal file name '%s'\n",
root->name);
return -1;
diff --git a/bin/rdsquashfs/fill_files.c b/bin/rdsquashfs/fill_files.c
index 923bc12..660ef1b 100644
--- a/bin/rdsquashfs/fill_files.c
+++ b/bin/rdsquashfs/fill_files.c
@@ -115,7 +115,7 @@ static void clear_file_list(void)
static int gen_file_list_dfs(const sqfs_tree_node_t *n)
{
- if (!is_filename_sane((const char *)n->name, true)) {
+ if (!is_filename_sane((const char *)n->name)) {
fprintf(stderr, "Found an entry named '%s', skipping.\n",
n->name);
return 0;
diff --git a/bin/rdsquashfs/restore_fstree.c b/bin/rdsquashfs/restore_fstree.c
index ea9d4f1..bfe5d86 100644
--- a/bin/rdsquashfs/restore_fstree.c
+++ b/bin/rdsquashfs/restore_fstree.c
@@ -129,7 +129,7 @@ static int create_node_dfs(const sqfs_tree_node_t *n, int flags)
char *name;
int ret;
- if (!is_filename_sane((const char *)n->name, true)) {
+ if (!is_filename_sane((const char *)n->name)) {
fprintf(stderr, "Found an entry named '%s', skipping.\n",
n->name);
return 0;
@@ -224,7 +224,7 @@ static int set_attribs(sqfs_xattr_reader_t *xattr,
char *path;
int ret;
- if (!is_filename_sane((const char *)n->name, true))
+ if (!is_filename_sane((const char *)n->name))
return 0;
if (S_ISDIR(n->inode->base.mode)) {
diff --git a/bin/sqfs2tar/write_tree.c b/bin/sqfs2tar/write_tree.c
index 354ec21..48697a5 100644
--- a/bin/sqfs2tar/write_tree.c
+++ b/bin/sqfs2tar/write_tree.c
@@ -91,7 +91,7 @@ static int write_tree_dfs(const sqfs_tree_node_t *n)
name[len] = '/';
name[len + 1] = '\0';
} else {
- if (!is_filename_sane((const char *)n->name, false)) {
+ if (!is_filename_sane((const char *)n->name)) {
fprintf(stderr, "Found a file named '%s', skipping.\n",
n->name);
if (dont_skip) {
diff --git a/include/util/util.h b/include/util/util.h
index cd32887..db6a712 100644
--- a/include/util/util.h
+++ b/include/util/util.h
@@ -55,12 +55,8 @@ SQFS_INTERNAL int canonicalize_name(char *filename);
/*
Returns true if a given filename is sane, false if it is not (e.g. contains
slashes or it is equal to '.' or '..').
-
- If check_os_specific is true, this also checks if the filename contains
- a character, or is equal to a name, that is black listed on the current OS.
- E.g. on Windows, a file named "COM0" or "AUX" is a no-no.
*/
-SQFS_INTERNAL bool is_filename_sane(const char *name, bool check_os_specific);
+SQFS_INTERNAL bool is_filename_sane(const char *name);
/*
If the environment variable SOURCE_DATE_EPOCH is set to a parsable number
diff --git a/lib/common/hardlink.c b/lib/common/hardlink.c
index e43df33..41e068f 100644
--- a/lib/common/hardlink.c
+++ b/lib/common/hardlink.c
@@ -31,7 +31,7 @@ static int map_nodes(rbtree_t *inumtree, sqfs_hard_link_t **out,
return 0;
}
- if (!is_filename_sane((const char *)n->name, false))
+ if (!is_filename_sane((const char *)n->name))
return SQFS_ERROR_CORRUPTED;
idx = n->inode->base.inode_number;
diff --git a/lib/util/filename_sane.c b/lib/util/filename_sane.c
index b52ce4d..f98aafc 100644
--- a/lib/util/filename_sane.c
+++ b/lib/util/filename_sane.c
@@ -9,68 +9,14 @@
#include <string.h>
-#if defined(_WIN32) || defined(__WINDOWS__) || defined(TEST_WIN32)
-#ifdef _MSC_VER
-#define strncasecmp _strnicmp
-#define strcasecmp _stricmp
-#endif
-
-static const char *bad_names[] = {
- "CON", "PRN", "AUX", "NUL",
- "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
- "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9",
-};
-
-static bool is_allowed_by_os(const char *name)
-{
- size_t len, i;
-
- for (i = 0; i < sizeof(bad_names) / sizeof(bad_names[0]); ++i) {
- len = strlen(bad_names[i]);
-
- if (strncasecmp(name, bad_names[i], len) != 0)
- continue;
-
- if (name[len] == '\0')
- return false;
-
- if (name[len] == '.' && strchr(name + len + 1, '.') == NULL)
- return false;
- }
-
- return true;
-}
-#else
-static bool is_allowed_by_os(const char *name)
-{
- (void)name;
- return true;
-}
-#endif
-
-bool is_filename_sane(const char *name, bool check_os_specific)
+bool is_filename_sane(const char *name)
{
if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
return false;
- if (check_os_specific && !is_allowed_by_os(name))
- return false;
-
while (*name != '\0') {
if (*name == '/')
return false;
-
-#if defined(_WIN32) || defined(__WINDOWS__) || defined(TEST_WIN32)
- if (check_os_specific) {
- if (*name == '<' || *name == '>' || *name == ':')
- return false;
- if (*name == '"' || *name == '|' || *name == '?')
- return false;
- if (*name == '*' || *name == '\\' || *name <= 31)
- return false;
- }
-#endif
-
++name;
}
diff --git a/tests/libutil/Makemodule.am b/tests/libutil/Makemodule.am
index c84f722..e039282 100644
--- a/tests/libutil/Makemodule.am
+++ b/tests/libutil/Makemodule.am
@@ -27,11 +27,6 @@ test_filename_sane_SOURCES = tests/libutil/filename_sane.c
test_filename_sane_SOURCES += lib/util/filename_sane.c
test_filename_sane_LDADD = libcompat.a libutil.a
-test_filename_sane_w32_SOURCES = tests/libutil/filename_sane.c
-test_filename_sane_w32_SOURCES += lib/util/filename_sane.c
-test_filename_sane_w32_CPPFLAGS = $(AM_CPPFLAGS) -DTEST_WIN32=1
-test_filename_sane_w32_LDADD = libcompat.a
-
test_sdate_epoch_SOURCES = tests/libutil/epoch.c
test_sdate_epoch_LDADD = libutil.a libcompat.a
@@ -43,7 +38,7 @@ test_base64_decode_LDADD = libutil.a libcompat.a
LIBUTIL_TESTS = \
test_str_table test_rbtree test_xxhash test_threadpool test_ismemzero \
- test_canonicalize_name test_filename_sane test_filename_sane_w32 \
+ test_canonicalize_name test_filename_sane \
test_sdate_epoch test_hex_decode test_base64_decode
check_PROGRAMS += $(LIBUTIL_TESTS)
diff --git a/tests/libutil/filename_sane.c b/tests/libutil/filename_sane.c
index 9c9930d..1a2cf72 100644
--- a/tests/libutil/filename_sane.c
+++ b/tests/libutil/filename_sane.c
@@ -11,9 +11,6 @@
static const char *must_work[] = {
"foobar",
"test.txt",
-#if !defined(_WIN32) && !defined(__WINDOWS__) && !defined(TEST_WIN32)
- "\\foo", "foo\\", "foo\\bar",
-#endif
NULL,
};
@@ -26,68 +23,24 @@ static const char *must_not_work[] = {
NULL,
};
-static const char *must_not_work_here[] = {
-#if defined(_WIN32) || defined(__WINDOWS__) || defined(TEST_WIN32)
- "\\foo", "foo\\", "foo\\bar",
- "fo<o", "fo>o", "fo:o", "fo\"o",
- "fo|o", "fo?o", "fo*o", "fo\ro",
- "CON", "PRN", "AUX", "NUL",
- "COM1", "COM2", "LPT1", "LPT2",
- "con", "prn", "aux", "nul",
- "com1", "com2", "lpt1", "lpt2",
- "AUX.txt", "aux.txt", "NUL.txt", "nul.txt",
-#endif
- NULL,
-};
-
int main(int argc, char **argv)
{
size_t i;
(void)argc; (void)argv;
for (i = 0; must_work[i] != NULL; ++i) {
- if (!is_filename_sane(must_work[i], false)) {
+ if (!is_filename_sane(must_work[i])) {
fprintf(stderr, "%s was rejected!\n", must_work[i]);
return EXIT_FAILURE;
}
-
- if (!is_filename_sane(must_work[i], true)) {
- fprintf(stderr,
- "%s was rejected when testing for "
- "OS specific stuff!\n", must_work[i]);
- return EXIT_FAILURE;
- }
}
for (i = 0; must_not_work[i] != NULL; ++i) {
- if (is_filename_sane(must_not_work[i], false)) {
+ if (is_filename_sane(must_not_work[i])) {
fprintf(stderr, "%s was accepted!\n",
must_not_work[i]);
return EXIT_FAILURE;
}
-
- if (is_filename_sane(must_not_work[i], true)) {
- fprintf(stderr,
- "%s was accepted when testing for "
- "OS specific stuff!\n", must_not_work[i]);
- return EXIT_FAILURE;
- }
- }
-
- for (i = 0; must_not_work_here[i] != NULL; ++i) {
- if (!is_filename_sane(must_not_work_here[i], false)) {
- fprintf(stderr,
- "%s was rejected in the generic test!\n",
- must_not_work_here[i]);
- return EXIT_FAILURE;
- }
-
- if (is_filename_sane(must_not_work_here[i], true)) {
- fprintf(stderr,
- "%s was accepted when testing for "
- "OS specific stuff!\n", must_not_work_here[i]);
- return EXIT_FAILURE;
- }
}
return EXIT_SUCCESS;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 20:41:34 +0000