static void verify5(struct archive_entry *ae)
{
assertEqualInt(archive_entry_filetype(ae), AE_IFDIR);
assertEqualInt(archive_entry_mtime(ae), 1131430878);
assertEqualInt(archive_entry_mode(ae) & 0777, 0755);
assertEqualInt(archive_entry_uid(ae), 1000);
assertEqualInt(archive_entry_gid(ae), 1000);
assertEqualString(archive_entry_uname(ae), "tim");
assertEqualString(archive_entry_gname(ae), "tim");
}
static void verify5(struct archive *a, struct archive_entry *ae)
{
(void)a; /* UNUSED */
assertEqualInt(archive_entry_filetype(ae), AE_IFDIR);
assertEqualInt(archive_entry_mtime(ae), 86401);
assertEqualInt(archive_entry_mode(ae) & 0777, 0755);
assertEqualInt(archive_entry_uid(ae), UID);
assertEqualInt(archive_entry_gid(ae), GID);
assertEqualString(archive_entry_uname(ae), UNAME);
assertEqualString(archive_entry_gname(ae), GNAME);
}
static int ar_entry_gname(lua_State *L) {
struct archive_entry* self = *ar_entry_check(L, 1);
int is_set;
if ( NULL == self ) return 0;
is_set = ( lua_gettop(L) == 2 );
lua_pushstring(L, archive_entry_gname(self));
if ( is_set ) {
archive_entry_copy_gname(self, lua_tostring(L, 2));
}
return 1;
}
static void verify4(struct archive_entry *ae)
{
assert(S_ISBLK(archive_entry_mode(ae)));
assertEqualInt(archive_entry_mode(ae) & 0777, 0755);
assertEqualInt(archive_entry_uid(ae), 1000);
assertEqualInt(archive_entry_gid(ae), 1000);
assertEqualString(archive_entry_uname(ae), "tim");
assertEqualString(archive_entry_gname(ae), "tim");
assertEqualString(archive_entry_pathname(ae), "devblock");
assert(archive_entry_symlink(ae) == NULL);
assert(archive_entry_hardlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 1184389185);
}
static gid_t
get_gid_from_archive(struct archive_entry *ae)
{
char buffer[128];
struct group grent, *result;
if ((getgrnam_r(archive_entry_gname(ae), &grent, buffer, sizeof(buffer),
&result)) < 0)
return (0);
if (result == NULL)
return (0);
return (grent.gr_gid);
}
static void verify6(struct archive_entry *ae)
{
assertEqualInt(archive_entry_filetype(ae), AE_IFIFO);
assertEqualInt(archive_entry_mode(ae) & 0777, 0755);
assertEqualInt(archive_entry_uid(ae), 1000);
assertEqualInt(archive_entry_gid(ae), 1000);
assertEqualString(archive_entry_uname(ae), "tim");
assertEqualString(archive_entry_gname(ae), "tim");
assertEqualString(archive_entry_pathname(ae), "fifo");
assert(archive_entry_symlink(ae) == NULL);
assert(archive_entry_hardlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 1184389185);
}
static void verify2(struct archive *a, struct archive_entry *ae)
{
(void)a; /* UNUSED */
assertEqualInt(archive_entry_filetype(ae), AE_IFLNK);
assertEqualInt(archive_entry_mode(ae) & 0777, 0755);
assertEqualInt(archive_entry_uid(ae), UID);
assertEqualInt(archive_entry_gid(ae), GID);
assertEqualString(archive_entry_uname(ae), UNAME);
assertEqualString(archive_entry_gname(ae), GNAME);
assertEqualString(archive_entry_pathname(ae), "symlink");
assertEqualString(archive_entry_symlink(ae), "f1");
assert(archive_entry_hardlink(ae) == NULL);
}
static void verify7(struct archive *a, struct archive_entry *ae)
{
(void)a; /* UNUSED */
assert(archive_entry_filetype(ae) == AE_IFREG);
assertEqualInt(archive_entry_mode(ae) & 0777, 0644);
assertEqualInt(archive_entry_uid(ae), UID);
assertEqualInt(archive_entry_gid(ae), GID);
assertEqualString(archive_entry_uname(ae), UNAME);
assertEqualString(archive_entry_gname(ae), GNAME);
assertEqualString(archive_entry_pathname(ae), "dir1/f1");
assert(archive_entry_hardlink(ae) == NULL);
assert(archive_entry_symlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 86401);
}
static void verify1(struct archive_entry *ae)
{
/* A hardlink is not a symlink. */
assert(archive_entry_filetype(ae) != AE_IFLNK);
/* Nor is it a directory. */
assert(archive_entry_filetype(ae) != AE_IFDIR);
assertEqualInt(archive_entry_mode(ae) & 0777, 0644);
assertEqualInt(archive_entry_uid(ae), 1000);
assertEqualInt(archive_entry_gid(ae), 1000);
assertEqualString(archive_entry_uname(ae), "tim");
assertEqualString(archive_entry_gname(ae), "tim");
assertEqualString(archive_entry_pathname(ae), "hardlink");
assertEqualString(archive_entry_hardlink(ae), "file");
assert(archive_entry_symlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 1184388530);
}
/*
* Test if entry is excluded by uid, gid, uname or gname.
*/
static int
owner_excluded(struct archive_match *a, struct archive_entry *entry)
{
int r;
if (a->inclusion_uids.count) {
if (!match_owner_id(&(a->inclusion_uids),
archive_entry_uid(entry)))
return (1);
}
if (a->inclusion_gids.count) {
if (!match_owner_id(&(a->inclusion_gids),
archive_entry_gid(entry)))
return (1);
}
if (a->inclusion_unames.count) {
#if defined(_WIN32) && !defined(__CYGWIN__)
r = match_owner_name_wcs(a, &(a->inclusion_unames),
archive_entry_uname_w(entry));
#else
r = match_owner_name_mbs(a, &(a->inclusion_unames),
archive_entry_uname(entry));
#endif
if (!r)
return (1);
else if (r < 0)
return (r);
}
if (a->inclusion_gnames.count) {
#if defined(_WIN32) && !defined(__CYGWIN__)
r = match_owner_name_wcs(a, &(a->inclusion_gnames),
archive_entry_gname_w(entry));
#else
r = match_owner_name_mbs(a, &(a->inclusion_gnames),
archive_entry_gname(entry));
#endif
if (!r)
return (1);
else if (r < 0)
return (r);
}
return (0);
}
static void verify1(struct archive *a, struct archive_entry *ae)
{
(void)a; /* UNUSED */
/* A hardlink is not a symlink. */
assert(archive_entry_filetype(ae) != AE_IFLNK);
/* Nor is it a directory. */
assert(archive_entry_filetype(ae) != AE_IFDIR);
assertEqualInt(archive_entry_mode(ae) & 0777, 0644);
assertEqualInt(archive_entry_uid(ae), UID);
assertEqualInt(archive_entry_gid(ae), GID);
assertEqualString(archive_entry_uname(ae), UNAME);
assertEqualString(archive_entry_gname(ae), GNAME);
assertEqualString(archive_entry_pathname(ae), "hardlink");
assertEqualString(archive_entry_hardlink(ae), "f1");
assert(archive_entry_symlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 86401);
assertEqualInt(archive_entry_nlink(ae), 2);
}
static gid_t
get_gid_from_archive(struct archive_entry *ae)
{
static char group_buffer[128];
static struct group grent;
struct group *result;
const char *group;
group = archive_entry_gname(ae);
if (grent.gr_name != NULL && strcmp(group, grent.gr_name) == 0)
goto out;
grent.gr_name = NULL;
if ((getgrnam_r(group, &grent, group_buffer, sizeof(group_buffer),
&result)) < 0)
return (0);
if (result == NULL)
return (0);
out:
return (grent.gr_gid);
}
static void verifyxL(struct archive_entry *ae)
{
assertEqualInt(archive_entry_filetype(ae), AE_IFLNK);
assertEqualInt(archive_entry_mode(ae) & 0777, 0755);
assertEqualInt(archive_entry_uid(ae), 1000);
assertEqualInt(archive_entry_gid(ae), 1000);
assertEqualString(archive_entry_uname(ae), "tim");
assertEqualString(archive_entry_gname(ae), "tim");
assertEqualString(archive_entry_pathname(ae), "symlink");
assertEqualString(archive_entry_symlink(ae),
"this_is_a_very_long_symlink_body_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_"
"abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz");
assert(archive_entry_hardlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 1184390648);
}
static void verify0(struct archive *a, struct archive_entry *ae)
{
const void *p;
size_t size;
int64_t offset;
assert(archive_entry_filetype(ae) == AE_IFREG);
assertEqualInt(archive_entry_mode(ae) & 0777, 0644);
assertEqualInt(archive_entry_uid(ae), UID);
assertEqualInt(archive_entry_gid(ae), GID);
assertEqualString(archive_entry_uname(ae), UNAME);
assertEqualString(archive_entry_gname(ae), GNAME);
assertEqualString(archive_entry_pathname(ae), "f1");
assert(archive_entry_hardlink(ae) == NULL);
assert(archive_entry_symlink(ae) == NULL);
assertEqualInt(archive_entry_mtime(ae), 86401);
assertEqualInt(archive_entry_size(ae), 16);
assertEqualInt(archive_read_data_block(a, &p, &size, &offset), 0);
assertEqualInt((int)size, 16);
assertEqualInt((int)offset, 0);
assertEqualMem(p, "hellohellohello\n", 16);
}
/*
* Set the locale and write a pathname containing invalid characters.
* This should work; the underlying implementation should automatically
* fall back to storing the pathname in binary.
*/
static void
test_pax_filename_encoding_2(void)
{
char filename[] = "abc\314\214mno\374xyz";
struct archive *a;
struct archive_entry *entry;
char buff[65536];
char longname[] = "abc\314\214mno\374xyz"
"/abc\314\214mno\374xyz/abcdefghijklmnopqrstuvwxyz"
"/abc\314\214mno\374xyz/abcdefghijklmnopqrstuvwxyz"
"/abc\314\214mno\374xyz/abcdefghijklmnopqrstuvwxyz"
"/abc\314\214mno\374xyz/abcdefghijklmnopqrstuvwxyz"
"/abc\314\214mno\374xyz/abcdefghijklmnopqrstuvwxyz"
"/abc\314\214mno\374xyz/abcdefghijklmnopqrstuvwxyz"
;
size_t used;
/*
* We need a starting locale which has invalid sequences.
* en_US.UTF-8 seems to be commonly supported.
*/
/* If it doesn't exist, just warn and return. */
if (NULL == setlocale(LC_ALL, "en_US.UTF-8")) {
skipping("invalid encoding tests require a suitable locale;"
" en_US.UTF-8 not available on this system");
return;
}
assert((a = archive_write_new()) != NULL);
assertEqualIntA(a, 0, archive_write_set_format_pax(a));
assertEqualIntA(a, 0, archive_write_add_filter_none(a));
assertEqualIntA(a, 0, archive_write_set_bytes_per_block(a, 0));
assertEqualInt(0,
archive_write_open_memory(a, buff, sizeof(buff), &used));
assert((entry = archive_entry_new()) != NULL);
/* Set pathname, gname, uname, hardlink to nonconvertible values. */
archive_entry_copy_pathname(entry, filename);
archive_entry_copy_gname(entry, filename);
archive_entry_copy_uname(entry, filename);
archive_entry_copy_hardlink(entry, filename);
archive_entry_set_filetype(entry, AE_IFREG);
failure("This should generate a warning for nonconvertible names.");
assertEqualInt(ARCHIVE_WARN, archive_write_header(a, entry));
archive_entry_free(entry);
assert((entry = archive_entry_new()) != NULL);
/* Set path, gname, uname, and symlink to nonconvertible values. */
archive_entry_copy_pathname(entry, filename);
archive_entry_copy_gname(entry, filename);
archive_entry_copy_uname(entry, filename);
archive_entry_copy_symlink(entry, filename);
archive_entry_set_filetype(entry, AE_IFLNK);
failure("This should generate a warning for nonconvertible names.");
assertEqualInt(ARCHIVE_WARN, archive_write_header(a, entry));
archive_entry_free(entry);
assert((entry = archive_entry_new()) != NULL);
/* Set pathname to a very long nonconvertible value. */
archive_entry_copy_pathname(entry, longname);
archive_entry_set_filetype(entry, AE_IFREG);
failure("This should generate a warning for nonconvertible names.");
assertEqualInt(ARCHIVE_WARN, archive_write_header(a, entry));
archive_entry_free(entry);
assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
assertEqualInt(ARCHIVE_OK, archive_write_free(a));
/*
* Now read the entries back.
*/
assert((a = archive_read_new()) != NULL);
assertEqualInt(0, archive_read_support_format_tar(a));
assertEqualInt(0, archive_read_open_memory(a, buff, used));
assertEqualInt(0, archive_read_next_header(a, &entry));
assertEqualString(filename, archive_entry_pathname(entry));
assertEqualString(filename, archive_entry_gname(entry));
assertEqualString(filename, archive_entry_uname(entry));
assertEqualString(filename, archive_entry_hardlink(entry));
assertEqualInt(0, archive_read_next_header(a, &entry));
assertEqualString(filename, archive_entry_pathname(entry));
assertEqualString(filename, archive_entry_gname(entry));
assertEqualString(filename, archive_entry_uname(entry));
assertEqualString(filename, archive_entry_symlink(entry));
assertEqualInt(0, archive_read_next_header(a, &entry));
assertEqualString(longname, archive_entry_pathname(entry));
assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
/*-
* The logic here for -C <dir> attempts to avoid
* chdir() as long as possible. For example:
* "-C /foo -C /bar file" needs chdir("/bar") but not chdir("/foo")
* "-C /foo -C bar file" needs chdir("/foo/bar")
* "-C /foo -C bar /file1" does not need chdir()
* "-C /foo -C bar /file1 file2" needs chdir("/foo/bar") before file2
*
* The only correct way to handle this is to record a "pending" chdir
* request and combine multiple requests intelligently until we
* need to process a non-absolute file. set_chdir() adds the new dir
* to the pending list; do_chdir() actually executes any pending chdir.
*
* This way, programs that build tar command lines don't have to worry
* about -C with non-existent directories; such requests will only
* fail if the directory must be accessed.
*
*/
void
set_chdir(struct bsdtar *bsdtar, const char *newdir)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
if (newdir[0] == '/' || newdir[0] == '\\' ||
/* Detect this type, for example, "C:\" or "C:/" */
(((newdir[0] >= 'a' && newdir[0] <= 'z') ||
(newdir[0] >= 'A' && newdir[0] <= 'Z')) &&
newdir[1] == ':' && (newdir[2] == '/' || newdir[2] == '\\'))) {
#else
if (newdir[0] == '/') {
#endif
/* The -C /foo -C /bar case; dump first one. */
free(bsdtar->pending_chdir);
bsdtar->pending_chdir = NULL;
}
if (bsdtar->pending_chdir == NULL)
/* Easy case: no previously-saved dir. */
bsdtar->pending_chdir = strdup(newdir);
else {
/* The -C /foo -C bar case; concatenate */
char *old_pending = bsdtar->pending_chdir;
size_t old_len = strlen(old_pending);
bsdtar->pending_chdir = malloc(old_len + strlen(newdir) + 2);
if (old_pending[old_len - 1] == '/')
old_pending[old_len - 1] = '\0';
if (bsdtar->pending_chdir != NULL)
sprintf(bsdtar->pending_chdir, "%s/%s",
old_pending, newdir);
free(old_pending);
}
if (bsdtar->pending_chdir == NULL)
lafe_errc(1, errno, "No memory");
}
void
do_chdir(struct bsdtar *bsdtar)
{
if (bsdtar->pending_chdir == NULL)
return;
if (chdir(bsdtar->pending_chdir) != 0) {
lafe_errc(1, 0, "could not chdir to '%s'\n",
bsdtar->pending_chdir);
}
free(bsdtar->pending_chdir);
bsdtar->pending_chdir = NULL;
}
static const char *
strip_components(const char *p, int elements)
{
/* Skip as many elements as necessary. */
while (elements > 0) {
switch (*p++) {
case '/':
#if defined(_WIN32) && !defined(__CYGWIN__)
case '\\': /* Support \ path sep on Windows ONLY. */
#endif
elements--;
break;
case '\0':
/* Path is too short, skip it. */
return (NULL);
}
}
/* Skip any / characters. This handles short paths that have
* additional / termination. This also handles the case where
* the logic above stops in the middle of a duplicate //
* sequence (which would otherwise get converted to an
* absolute path). */
for (;;) {
switch (*p) {
case '/':
#if defined(_WIN32) && !defined(__CYGWIN__)
case '\\': /* Support \ path sep on Windows ONLY. */
#endif
++p;
break;
case '\0':
return (NULL);
default:
return (p);
}
}
}
static void
warn_strip_leading_char(struct bsdtar *bsdtar, const char *c)
{
if (!bsdtar->warned_lead_slash) {
lafe_warnc(0,
"Removing leading '%c' from member names",
c[0]);
bsdtar->warned_lead_slash = 1;
}
}
static void
warn_strip_drive_letter(struct bsdtar *bsdtar)
{
if (!bsdtar->warned_lead_slash) {
lafe_warnc(0,
"Removing leading drive letter from "
"member names");
bsdtar->warned_lead_slash = 1;
}
}
/*
* Convert absolute path to non-absolute path by skipping leading
* absolute path prefixes.
*/
static const char*
strip_absolute_path(struct bsdtar *bsdtar, const char *p)
{
const char *rp;
/* Remove leading "//./" or "//?/" or "//?/UNC/"
* (absolute path prefixes used by Windows API) */
if ((p[0] == '/' || p[0] == '\\') &&
(p[1] == '/' || p[1] == '\\') &&
(p[2] == '.' || p[2] == '?') &&
(p[3] == '/' || p[3] == '\\'))
{
if (p[2] == '?' &&
(p[4] == 'U' || p[4] == 'u') &&
(p[5] == 'N' || p[5] == 'n') &&
(p[6] == 'C' || p[6] == 'c') &&
(p[7] == '/' || p[7] == '\\'))
p += 8;
else
p += 4;
warn_strip_drive_letter(bsdtar);
}
/* Remove multiple leading slashes and Windows drive letters. */
do {
rp = p;
if (((p[0] >= 'a' && p[0] <= 'z') ||
(p[0] >= 'A' && p[0] <= 'Z')) &&
p[1] == ':') {
p += 2;
warn_strip_drive_letter(bsdtar);
}
/* Remove leading "/../", "/./", "//", etc. */
while (p[0] == '/' || p[0] == '\\') {
if (p[1] == '.' &&
p[2] == '.' &&
(p[3] == '/' || p[3] == '\\')) {
p += 3; /* Remove "/..", leave "/" for next pass. */
} else if (p[1] == '.' &&
(p[2] == '/' || p[2] == '\\')) {
p += 2; /* Remove "/.", leave "/" for next pass. */
} else
p += 1; /* Remove "/". */
warn_strip_leading_char(bsdtar, rp);
}
} while (rp != p);
return (p);
}
/*
* Handle --strip-components and any future path-rewriting options.
* Returns non-zero if the pathname should not be extracted.
*
* Note: The rewrites are applied uniformly to pathnames and hardlink
* names but not to symlink bodies. This is deliberate: Symlink
* bodies are not necessarily filenames. Even when they are, they
* need to be interpreted relative to the directory containing them,
* so simple rewrites like this are rarely appropriate.
*
* TODO: Support pax-style regex path rewrites.
*/
int
edit_pathname(struct bsdtar *bsdtar, struct archive_entry *entry)
{
const char *name = archive_entry_pathname(entry);
const char *original_name = name;
const char *hardlinkname = archive_entry_hardlink(entry);
const char *original_hardlinkname = hardlinkname;
#if defined(HAVE_REGEX_H) || defined(HAVE_PCREPOSIX_H)
char *subst_name;
int r;
/* Apply user-specified substitution to pathname. */
r = apply_substitution(bsdtar, name, &subst_name, 0, 0);
if (r == -1) {
lafe_warnc(0, "Invalid substitution, skipping entry");
return 1;
}
if (r == 1) {
archive_entry_copy_pathname(entry, subst_name);
if (*subst_name == '\0') {
free(subst_name);
return -1;
} else
free(subst_name);
name = archive_entry_pathname(entry);
original_name = name;
}
/* Apply user-specified substitution to hardlink target. */
if (hardlinkname != NULL) {
r = apply_substitution(bsdtar, hardlinkname, &subst_name, 0, 1);
if (r == -1) {
lafe_warnc(0, "Invalid substitution, skipping entry");
return 1;
}
if (r == 1) {
archive_entry_copy_hardlink(entry, subst_name);
free(subst_name);
}
hardlinkname = archive_entry_hardlink(entry);
original_hardlinkname = hardlinkname;
}
/* Apply user-specified substitution to symlink body. */
if (archive_entry_symlink(entry) != NULL) {
r = apply_substitution(bsdtar, archive_entry_symlink(entry), &subst_name, 1, 0);
if (r == -1) {
lafe_warnc(0, "Invalid substitution, skipping entry");
return 1;
}
if (r == 1) {
archive_entry_copy_symlink(entry, subst_name);
free(subst_name);
}
}
#endif
/* Strip leading dir names as per --strip-components option. */
if (bsdtar->strip_components > 0) {
name = strip_components(name, bsdtar->strip_components);
if (name == NULL)
return (1);
if (hardlinkname != NULL) {
hardlinkname = strip_components(hardlinkname,
bsdtar->strip_components);
if (hardlinkname == NULL)
return (1);
}
}
if (!bsdtar->option_absolute_paths) {
/* By default, don't write or restore absolute pathnames. */
name = strip_absolute_path(bsdtar, name);
if (*name == '\0')
name = ".";
if (hardlinkname != NULL) {
hardlinkname = strip_absolute_path(bsdtar, hardlinkname);
if (*hardlinkname == '\0')
return (1);
}
} else {
/* Strip redundant leading '/' characters. */
while (name[0] == '/' && name[1] == '/')
name++;
}
/* Replace name in archive_entry. */
if (name != original_name) {
archive_entry_copy_pathname(entry, name);
}
if (hardlinkname != original_hardlinkname) {
archive_entry_copy_hardlink(entry, hardlinkname);
}
return (0);
}
/*
* It would be nice to just use printf() for formatting large numbers,
* but the compatibility problems are quite a headache. Hence the
* following simple utility function.
*/
const char *
tar_i64toa(int64_t n0)
{
static char buff[24];
uint64_t n = n0 < 0 ? -n0 : n0;
char *p = buff + sizeof(buff);
*--p = '\0';
do {
*--p = '0' + (int)(n % 10);
} while (n /= 10);
if (n0 < 0)
*--p = '-';
return p;
}
/*
* Like strcmp(), but try to be a little more aware of the fact that
* we're comparing two paths. Right now, it just handles leading
* "./" and trailing '/' specially, so that "a/b/" == "./a/b"
*
* TODO: Make this better, so that "./a//b/./c/" == "a/b/c"
* TODO: After this works, push it down into libarchive.
* TODO: Publish the path normalization routines in libarchive so
* that bsdtar can normalize paths and use fast strcmp() instead
* of this.
*
* Note: This is currently only used within write.c, so should
* not handle \ path separators.
*/
int
pathcmp(const char *a, const char *b)
{
/* Skip leading './' */
if (a[0] == '.' && a[1] == '/' && a[2] != '\0')
a += 2;
if (b[0] == '.' && b[1] == '/' && b[2] != '\0')
b += 2;
/* Find the first difference, or return (0) if none. */
while (*a == *b) {
if (*a == '\0')
return (0);
a++;
b++;
}
/*
* If one ends in '/' and the other one doesn't,
* they're the same.
*/
if (a[0] == '/' && a[1] == '\0' && b[0] == '\0')
return (0);
if (a[0] == '\0' && b[0] == '/' && b[1] == '\0')
return (0);
/* They're really different, return the correct sign. */
return (*(const unsigned char *)a - *(const unsigned char *)b);
}
#define PPBUFF_SIZE 1024
const char *
passphrase_callback(struct archive *a, void *_client_data)
{
struct bsdtar *bsdtar = (struct bsdtar *)_client_data;
(void)a; /* UNUSED */
if (bsdtar->ppbuff == NULL) {
bsdtar->ppbuff = malloc(PPBUFF_SIZE);
if (bsdtar->ppbuff == NULL)
lafe_errc(1, errno, "Out of memory");
}
return lafe_readpassphrase("Enter passphrase:",
bsdtar->ppbuff, PPBUFF_SIZE);
}
void
passphrase_free(char *ppbuff)
{
if (ppbuff != NULL) {
memset(ppbuff, 0, PPBUFF_SIZE);
free(ppbuff);
}
}
/*
* Display information about the current file.
*
* The format here roughly duplicates the output of 'ls -l'.
* This is based on SUSv2, where 'tar tv' is documented as
* listing additional information in an "unspecified format,"
* and 'pax -l' is documented as using the same format as 'ls -l'.
*/
void
list_item_verbose(struct bsdtar *bsdtar, FILE *out, struct archive_entry *entry)
{
char tmp[100];
size_t w;
const char *p;
const char *fmt;
time_t tim;
static time_t now;
/*
* We avoid collecting the entire list in memory at once by
* listing things as we see them. However, that also means we can't
* just pre-compute the field widths. Instead, we start with guesses
* and just widen them as necessary. These numbers are completely
* arbitrary.
*/
if (!bsdtar->u_width) {
bsdtar->u_width = 6;
bsdtar->gs_width = 13;
}
if (!now)
time(&now);
fprintf(out, "%s %d ",
archive_entry_strmode(entry),
archive_entry_nlink(entry));
/* Use uname if it's present, else uid. */
p = archive_entry_uname(entry);
if ((p == NULL) || (*p == '\0')) {
sprintf(tmp, "%lu ",
(unsigned long)archive_entry_uid(entry));
p = tmp;
}
w = strlen(p);
if (w > bsdtar->u_width)
bsdtar->u_width = w;
fprintf(out, "%-*s ", (int)bsdtar->u_width, p);
/* Use gname if it's present, else gid. */
p = archive_entry_gname(entry);
if (p != NULL && p[0] != '\0') {
fprintf(out, "%s", p);
w = strlen(p);
} else {
sprintf(tmp, "%lu",
(unsigned long)archive_entry_gid(entry));
w = strlen(tmp);
fprintf(out, "%s", tmp);
}
/*
* Print device number or file size, right-aligned so as to make
* total width of group and devnum/filesize fields be gs_width.
* If gs_width is too small, grow it.
*/
if (archive_entry_filetype(entry) == AE_IFCHR
|| archive_entry_filetype(entry) == AE_IFBLK) {
sprintf(tmp, "%lu,%lu",
(unsigned long)archive_entry_rdevmajor(entry),
(unsigned long)archive_entry_rdevminor(entry));
} else {
strcpy(tmp, tar_i64toa(archive_entry_size(entry)));
}
if (w + strlen(tmp) >= bsdtar->gs_width)
bsdtar->gs_width = w+strlen(tmp)+1;
fprintf(out, "%*s", (int)(bsdtar->gs_width - w), tmp);
/* Format the time using 'ls -l' conventions. */
tim = archive_entry_mtime(entry);
#define HALF_YEAR (time_t)365 * 86400 / 2
#if defined(_WIN32) && !defined(__CYGWIN__)
#define DAY_FMT "%d" /* Windows' strftime function does not support %e format. */
#else
#define DAY_FMT "%e" /* Day number without leading zeros */
#endif
if (tim < now - HALF_YEAR || tim > now + HALF_YEAR)
fmt = bsdtar->day_first ? DAY_FMT " %b %Y" : "%b " DAY_FMT " %Y";
else
fmt = bsdtar->day_first ? DAY_FMT " %b %H:%M" : "%b " DAY_FMT " %H:%M";
strftime(tmp, sizeof(tmp), fmt, localtime(&tim));
fprintf(out, " %s ", tmp);
safe_fprintf(out, "%s", archive_entry_pathname(entry));
/* Extra information for links. */
if (archive_entry_hardlink(entry)) /* Hard link */
safe_fprintf(out, " link to %s",
archive_entry_hardlink(entry));
else if (archive_entry_symlink(entry)) /* Symbolic link */
safe_fprintf(out, " -> %s", archive_entry_symlink(entry));
}
/*
* Display information about the current file.
*
* The format here roughly duplicates the output of 'ls -l'.
* This is based on SUSv2, where 'tar tv' is documented as
* listing additional information in an "unspecified format,"
* and 'pax -l' is documented as using the same format as 'ls -l'.
*/
static void
list_item_verbose(struct cpio *cpio, struct archive_entry *entry)
{
char size[32];
char date[32];
char uids[16], gids[16];
const char *uname, *gname;
FILE *out = stdout;
const char *fmt;
time_t mtime;
static time_t now;
struct tm *tm;
if (!now)
time(&now);
if (cpio->option_numeric_uid_gid) {
/* Format numeric uid/gid for display. */
strcpy(uids, cpio_i64toa(archive_entry_uid(entry)));
uname = uids;
strcpy(gids, cpio_i64toa(archive_entry_gid(entry)));
gname = gids;
} else {
/* Use uname if it's present, else lookup name from uid. */
uname = archive_entry_uname(entry);
if (uname == NULL)
uname = lookup_uname(cpio, archive_entry_uid(entry));
/* Use gname if it's present, else lookup name from gid. */
gname = archive_entry_gname(entry);
if (gname == NULL)
gname = lookup_gname(cpio, archive_entry_gid(entry));
}
/* Print device number or file size. */
if (archive_entry_filetype(entry) == AE_IFCHR
|| archive_entry_filetype(entry) == AE_IFBLK) {
snprintf(size, sizeof(size), "%lu,%lu",
(unsigned long)archive_entry_rdevmajor(entry),
(unsigned long)archive_entry_rdevminor(entry));
} else {
strcpy(size, cpio_i64toa(archive_entry_size(entry)));
}
/* Format the time using 'ls -l' conventions. */
mtime = archive_entry_mtime(entry);
#if defined(_WIN32) && !defined(__CYGWIN__)
/* Windows' strftime function does not support %e format. */
if (mtime - now > 365*86400/2
|| mtime - now < -365*86400/2)
fmt = cpio->day_first ? "%d %b %Y" : "%b %d %Y";
else
fmt = cpio->day_first ? "%d %b %H:%M" : "%b %d %H:%M";
#else
if (abs(mtime - now) > (365/2)*86400)
fmt = cpio->day_first ? "%e %b %Y" : "%b %e %Y";
else
fmt = cpio->day_first ? "%e %b %H:%M" : "%b %e %H:%M";
#endif
tm = localtime(&mtime);
if (tm != NULL) {
strftime(date, sizeof(date), fmt, tm);
} else {
*date = '\0';
}
fprintf(out, "%s%3d %-8s %-8s %8s %12s %s",
archive_entry_strmode(entry),
archive_entry_nlink(entry),
uname, gname, size, date,
archive_entry_pathname(entry));
/* Extra information for links. */
if (archive_entry_hardlink(entry)) /* Hard link */
fprintf(out, " link to %s", archive_entry_hardlink(entry));
else if (archive_entry_symlink(entry)) /* Symbolic link */
fprintf(out, " -> %s", archive_entry_symlink(entry));
fprintf(out, "\n");
}
const char *Entry::gname()
{
return archive_entry_gname(_entry);
}
/*
* Display information about the current file.
*
* The format here roughly duplicates the output of 'ls -l'.
* This is based on SUSv2, where 'tar tv' is documented as
* listing additional information in an "unspecified format,"
* and 'pax -l' is documented as using the same format as 'ls -l'.
*/
static void
list_item_verbose(struct bsdtar *bsdtar, FILE *out, struct archive_entry *entry)
{
const struct stat *st;
char tmp[100];
size_t w;
const char *p;
const char *fmt;
time_t tim;
static time_t now;
st = archive_entry_stat(entry);
/*
* We avoid collecting the entire list in memory at once by
* listing things as we see them. However, that also means we can't
* just pre-compute the field widths. Instead, we start with guesses
* and just widen them as necessary. These numbers are completely
* arbitrary.
*/
if (!bsdtar->u_width) {
bsdtar->u_width = 6;
bsdtar->gs_width = 13;
}
if (!now)
time(&now);
fprintf(out, "%s %d ",
archive_entry_strmode(entry),
(int)(st->st_nlink));
/* Use uname if it's present, else uid. */
p = archive_entry_uname(entry);
if ((p == NULL) || (*p == '\0')) {
sprintf(tmp, "%lu ", (unsigned long)st->st_uid);
p = tmp;
}
w = strlen(p);
if (w > bsdtar->u_width)
bsdtar->u_width = w;
fprintf(out, "%-*s ", (int)bsdtar->u_width, p);
/* Use gname if it's present, else gid. */
p = archive_entry_gname(entry);
if (p != NULL && p[0] != '\0') {
fprintf(out, "%s", p);
w = strlen(p);
} else {
sprintf(tmp, "%lu", (unsigned long)st->st_gid);
w = strlen(tmp);
fprintf(out, "%s", tmp);
}
/*
* Print device number or file size, right-aligned so as to make
* total width of group and devnum/filesize fields be gs_width.
* If gs_width is too small, grow it.
*/
if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
sprintf(tmp, "%lu,%lu",
(unsigned long)major(st->st_rdev),
(unsigned long)minor(st->st_rdev)); /* ls(1) also casts here. */
} else {
/*
* Note the use of platform-dependent macros to format
* the filesize here. We need the format string and the
* corresponding type for the cast.
*/
sprintf(tmp, BSDTAR_FILESIZE_PRINTF,
(BSDTAR_FILESIZE_TYPE)st->st_size);
}
if (w + strlen(tmp) >= bsdtar->gs_width)
bsdtar->gs_width = w+strlen(tmp)+1;
fprintf(out, "%*s", (int)(bsdtar->gs_width - w), tmp);
/* Format the time using 'ls -l' conventions. */
tim = (time_t)st->st_mtime;
if (abs(tim - now) > (365/2)*86400)
fmt = bsdtar->day_first ? "%e %b %Y" : "%b %e %Y";
else
fmt = bsdtar->day_first ? "%e %b %R" : "%b %e %R";
strftime(tmp, sizeof(tmp), fmt, localtime(&tim));
fprintf(out, " %s ", tmp);
safe_fprintf(out, "%s", archive_entry_pathname(entry));
/* Extra information for links. */
if (archive_entry_hardlink(entry)) /* Hard link */
safe_fprintf(out, " link to %s",
archive_entry_hardlink(entry));
else if (S_ISLNK(st->st_mode)) /* Symbolic link */
safe_fprintf(out, " -> %s", archive_entry_symlink(entry));
}
/*
* Verify our ability to read sample files created by Solaris pax for
* a sparse file.
*/
static void
test_compat_solaris_pax_sparse_1(void)
{
char name[] = "test_compat_solaris_pax_sparse_1.pax.Z";
struct archive_entry *ae;
struct archive *a;
int64_t offset, length;
const void *buff;
size_t bytes_read;
char data[1024*8];
int r;
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
extract_reference_file(name);
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
/* Read first entry. */
assertEqualIntA(a, ARCHIVE_OK, r = archive_read_next_header(a, &ae));
if (r != ARCHIVE_OK) {
archive_read_free(a);
return;
}
assertEqualString("hole", archive_entry_pathname(ae));
assertEqualInt(1310411683, archive_entry_mtime(ae));
assertEqualInt(101, archive_entry_uid(ae));
assertEqualString("cue", archive_entry_uname(ae));
assertEqualInt(10, archive_entry_gid(ae));
assertEqualString("staff", archive_entry_gname(ae));
assertEqualInt(0100644, archive_entry_mode(ae));
/* Verify the sparse information. */
failure("This sparse file should have tree data blocks");
assertEqualInt(3, archive_entry_sparse_reset(ae));
assertEqualInt(ARCHIVE_OK,
archive_entry_sparse_next(ae, &offset, &length));
assertEqualInt(0, offset);
assertEqualInt(131072, length);
assertEqualInt(ARCHIVE_OK,
archive_entry_sparse_next(ae, &offset, &length));
assertEqualInt(393216, offset);
assertEqualInt(131072, length);
assertEqualInt(ARCHIVE_OK,
archive_entry_sparse_next(ae, &offset, &length));
assertEqualInt(786432, offset);
assertEqualInt(32775, length);
while (ARCHIVE_OK ==
archive_read_data_block(a, &buff, &bytes_read, &offset)) {
failure("The data blocks should not include the hole");
assert((offset >= 0 && offset + bytes_read <= 131072) ||
(offset >= 393216 && offset + bytes_read <= 393216+131072) ||
(offset >= 786432 && offset + bytes_read <= 786432+32775));
if (offset == 0 && bytes_read >= 1024*8) {
memset(data, 'a', sizeof(data));
failure("First data block should be 8K bytes of 'a'");
assertEqualMem(buff, data, sizeof(data));
} else if (offset + bytes_read == 819207 && bytes_read >= 7) {
const char *last = buff;
last += bytes_read - 7;
memset(data, 'c', 7);
failure("Last seven bytes should be all 'c'");
assertEqualMem(last, data, 7);
}
}
/* Verify the end-of-archive. */
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
/* Verify that the format detection worked. */
assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_COMPRESS);
assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE);
assertEqualInt(ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
static int
archive_write_shar_finish_entry(struct archive_write *a)
{
const char *g, *p, *u;
struct shar *shar;
int ret;
shar = (struct shar *)a->format_data;
if (shar->entry == NULL)
return (0);
if (shar->dump) {
/* Finish uuencoded data. */
if (shar->has_data) {
if (shar->outpos > 0)
uuencode_line(a, shar, shar->outbuff,
shar->outpos);
archive_strcat(&shar->work, "`\nend\n");
archive_strcat(&shar->work, "SHAR_END\n");
}
/* Restore file mode, owner, flags. */
/*
* TODO: Don't immediately restore mode for
* directories; defer that to end of script.
*/
archive_string_sprintf(&shar->work, "chmod %o ",
(unsigned int)(archive_entry_mode(shar->entry) & 07777));
shar_quote(&shar->work, archive_entry_pathname(shar->entry), 1);
archive_strcat(&shar->work, "\n");
u = archive_entry_uname(shar->entry);
g = archive_entry_gname(shar->entry);
if (u != NULL || g != NULL) {
archive_strcat(&shar->work, "chown ");
if (u != NULL)
shar_quote(&shar->work, u, 1);
if (g != NULL) {
archive_strcat(&shar->work, ":");
shar_quote(&shar->work, g, 1);
}
archive_strcat(&shar->work, " ");
shar_quote(&shar->work,
archive_entry_pathname(shar->entry), 1);
archive_strcat(&shar->work, "\n");
}
if ((p = archive_entry_fflags_text(shar->entry)) != NULL) {
archive_string_sprintf(&shar->work, "chflags %s ", p);
shar_quote(&shar->work,
archive_entry_pathname(shar->entry), 1);
archive_strcat(&shar->work, "\n");
}
/* TODO: restore ACLs */
} else {
if (shar->has_data) {
/* Finish sed-encoded data: ensure last line ends. */
if (!shar->end_of_line)
archive_strappend_char(&shar->work, '\n');
archive_strcat(&shar->work, "SHAR_END\n");
}
}
archive_entry_free(shar->entry);
shar->entry = NULL;
if (shar->work.length < 65536)
return (ARCHIVE_OK);
ret = __archive_write_output(a, shar->work.s, shar->work.length);
if (ret != ARCHIVE_OK)
return (ARCHIVE_FATAL);
archive_string_empty(&shar->work);
return (ARCHIVE_OK);
}
/*
* Apple shipped an extended version of GNU tar with Mac OS X 10.5
* and earlier.
*/
static void
test_compat_mac_1(void)
{
char name[] = "test_compat_mac-1.tar.Z";
struct archive_entry *ae;
struct archive *a;
const void *attr;
size_t attrSize;
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
extract_reference_file(name);
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString(TESTPATH, archive_entry_pathname(ae));
assertEqualInt(1275688109, archive_entry_mtime(ae));
assertEqualInt(95594, archive_entry_uid(ae));
assertEqualString("kientzle", archive_entry_uname(ae));
assertEqualInt(5000, archive_entry_gid(ae));
assertEqualString("", archive_entry_gname(ae));
assertEqualInt(040755, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr == NULL);
assertEqualInt(0, attrSize);
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString(TESTPATH "dir/", archive_entry_pathname(ae));
assertEqualInt(1275687611, archive_entry_mtime(ae));
assertEqualInt(95594, archive_entry_uid(ae));
assertEqualString("kientzle", archive_entry_uname(ae));
assertEqualInt(5000, archive_entry_gid(ae));
assertEqualString("", archive_entry_gname(ae));
assertEqualInt(040755, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr != NULL);
assertEqualInt(225, attrSize);
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString(TESTPATH "file", archive_entry_pathname(ae));
assertEqualInt(1275687588, archive_entry_mtime(ae));
assertEqualInt(95594, archive_entry_uid(ae));
assertEqualString("kientzle", archive_entry_uname(ae));
assertEqualInt(5000, archive_entry_gid(ae));
assertEqualString("", archive_entry_gname(ae));
assertEqualInt(0100644, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr != NULL);
assertEqualInt(225, attrSize);
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString("dir/", archive_entry_pathname(ae));
assertEqualInt(1275688064, archive_entry_mtime(ae));
assertEqualInt(95594, archive_entry_uid(ae));
assertEqualString("kientzle", archive_entry_uname(ae));
assertEqualInt(5000, archive_entry_gid(ae));
assertEqualString("", archive_entry_gname(ae));
assertEqualInt(040755, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr != NULL);
assertEqualInt(225, attrSize);
assertEqualMem("\x00\x05\x16\x07\x00\x02\x00\x00Mac OS X", attr, 16);
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString("file", archive_entry_pathname(ae));
assertEqualInt(1275625860, archive_entry_mtime(ae));
assertEqualInt(95594, archive_entry_uid(ae));
assertEqualString("kientzle", archive_entry_uname(ae));
assertEqualInt(5000, archive_entry_gid(ae));
assertEqualString("", archive_entry_gname(ae));
assertEqualInt(0100644, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr != NULL);
assertEqualInt(225, attrSize);
assertEqualMem("\x00\x05\x16\x07\x00\x02\x00\x00Mac OS X", attr, 16);
/* Verify the end-of-archive. */
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
/* Verify that the format detection worked. */
assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_COMPRESS);
assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_GNUTAR);
assertEqualInt(ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
/*
* Apple shipped a customized version of bsdtar starting with MacOS 10.6.
*/
static void
test_compat_mac_2(void)
{
char name[] = "test_compat_mac-2.tar.Z";
struct archive_entry *ae;
struct archive *a;
const void *attr;
size_t attrSize;
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
extract_reference_file(name);
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString("./", archive_entry_pathname(ae));
assertEqualInt(1303628303, archive_entry_mtime(ae));
assertEqualInt(501, archive_entry_uid(ae));
assertEqualString("tim", archive_entry_uname(ae));
assertEqualInt(20, archive_entry_gid(ae));
assertEqualString("staff", archive_entry_gname(ae));
assertEqualInt(040755, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr == NULL);
assertEqualInt(0, attrSize);
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString("./mydir/", archive_entry_pathname(ae));
assertEqualInt(1303628303, archive_entry_mtime(ae));
assertEqualInt(501, archive_entry_uid(ae));
assertEqualString("tim", archive_entry_uname(ae));
assertEqualInt(20, archive_entry_gid(ae));
assertEqualString("staff", archive_entry_gname(ae));
assertEqualInt(040755, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr != NULL);
assertEqualInt(267, attrSize);
assertEqualMem("\x00\x05\x16\x07\x00\x02\x00\x00Mac OS X", attr, 16);
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString("./myfile", archive_entry_pathname(ae));
assertEqualInt(1303628303, archive_entry_mtime(ae));
assertEqualInt(501, archive_entry_uid(ae));
assertEqualString("tim", archive_entry_uname(ae));
assertEqualInt(20, archive_entry_gid(ae));
assertEqualString("staff", archive_entry_gname(ae));
assertEqualInt(0100644, archive_entry_mode(ae));
attr = archive_entry_mac_metadata(ae, &attrSize);
assert(attr != NULL);
assertEqualInt(267, attrSize);
assertEqualMem("\x00\x05\x16\x07\x00\x02\x00\x00Mac OS X", attr, 16);
/* Verify the end-of-archive. */
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
/* Verify that the format detection worked. */
assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_COMPRESS);
assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
assertEqualInt(ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
/*
* Write /set keyword. It means set global datas.
* [directory-only mode]
* - It is only once to write /set keyword. It is using values of the
* first entry.
* [normal mode]
* - Write /set keyword. It is using values of the first entry whose
* filetype is a regular file.
* - When a parent directory of the entry whose filetype is the regular
* file is changed, check the global datas and write it again if its
* values are different from the entry's.
*/
static void
set_global(struct mtree_writer *mtree, struct archive_entry *entry)
{
struct archive_string setstr;
struct archive_string unsetstr;
const char *name;
int keys, oldkeys, effkeys;
mode_t set_type = 0;
switch (archive_entry_filetype(entry)) {
case AE_IFLNK: case AE_IFSOCK: case AE_IFCHR:
case AE_IFBLK: case AE_IFIFO:
break;
case AE_IFDIR:
if (mtree->dironly)
set_type = AE_IFDIR;
break;
case AE_IFREG:
default: /* Handle unknown file types as regular files. */
if (!mtree->dironly)
set_type = AE_IFREG;
break;
}
if (set_type == 0)
return;
if (mtree->set.processed &&
!parent_dir_changed(&mtree->set.parent, entry))
return;
/* At first, save a parent directory of the entry for following
* entries. */
if (!mtree->set.processed && set_type == AE_IFREG)
parent_dir_changed(&mtree->set.parent, entry);
archive_string_init(&setstr);
archive_string_init(&unsetstr);
keys = mtree->keys & (F_FLAGS | F_GID | F_GNAME | F_NLINK | F_MODE
| F_TYPE | F_UID | F_UNAME);
oldkeys = mtree->set.keys;
effkeys = keys;
if (mtree->set.processed) {
/*
* Check the global datas for whether it needs updating.
*/
effkeys &= ~F_TYPE;
if ((oldkeys & (F_UNAME | F_UID)) != 0 &&
mtree->set.uid == archive_entry_uid(entry))
effkeys &= ~(F_UNAME | F_UID);
if ((oldkeys & (F_GNAME | F_GID)) != 0 &&
mtree->set.gid == archive_entry_gid(entry))
effkeys &= ~(F_GNAME | F_GID);
if ((oldkeys & F_MODE) != 0 &&
mtree->set.mode == (archive_entry_mode(entry) & 07777))
effkeys &= ~F_MODE;
if ((oldkeys & F_FLAGS) != 0) {
unsigned long fflags_set;
unsigned long fflags_clear;
archive_entry_fflags(entry, &fflags_set, &fflags_clear);
if (fflags_set == mtree->set.fflags_set &&
fflags_clear == mtree->set.fflags_clear)
effkeys &= ~F_FLAGS;
}
}
if ((keys & effkeys & F_TYPE) != 0) {
mtree->set.type = set_type;
if (set_type == AE_IFDIR)
archive_strcat(&setstr, " type=dir");
else
archive_strcat(&setstr, " type=file");
}
if ((keys & effkeys & F_UNAME) != 0) {
if ((name = archive_entry_uname(entry)) != NULL) {
archive_strcat(&setstr, " uname=");
mtree_quote(&setstr, name);
} else if ((oldkeys & F_UNAME) != 0)
archive_strcat(&unsetstr, " uname");
else
keys &= ~F_UNAME;
}
if ((keys & effkeys & F_UID) != 0) {
mtree->set.uid = archive_entry_uid(entry);
archive_string_sprintf(&setstr, " uid=%jd",
(intmax_t)mtree->set.uid);
}
if ((keys & effkeys & F_GNAME) != 0) {
if ((name = archive_entry_gname(entry)) != NULL) {
archive_strcat(&setstr, " gname=");
mtree_quote(&setstr, name);
} else if ((oldkeys & F_GNAME) != 0)
archive_strcat(&unsetstr, " gname");
else
keys &= ~F_GNAME;
}
if ((keys & effkeys & F_GID) != 0) {
mtree->set.gid = archive_entry_gid(entry);
archive_string_sprintf(&setstr, " gid=%jd",
(intmax_t)mtree->set.gid);
}
if ((keys & effkeys & F_MODE) != 0) {
mtree->set.mode = archive_entry_mode(entry) & 07777;
archive_string_sprintf(&setstr, " mode=%o", mtree->set.mode);
}
if ((keys & effkeys & F_FLAGS) != 0) {
if ((name = archive_entry_fflags_text(entry)) != NULL) {
archive_strcat(&setstr, " flags=");
mtree_quote(&setstr, name);
archive_entry_fflags(entry, &mtree->set.fflags_set,
&mtree->set.fflags_clear);
} else if ((oldkeys & F_FLAGS) != 0)
archive_strcat(&unsetstr, " flags");
else
keys &= ~F_FLAGS;
}
if (unsetstr.length > 0)
archive_string_sprintf(&mtree->buf, "/unset%s\n", unsetstr.s);
archive_string_free(&unsetstr);
if (setstr.length > 0)
archive_string_sprintf(&mtree->buf, "/set%s\n", setstr.s);
archive_string_free(&setstr);
mtree->set.keys = keys;
mtree->set.processed = 1;
/* On directory-only mode, it is only once to write /set keyword. */
if (mtree->dironly)
mtree->set.output = 0;
}
static int
archive_write_gnutar_header(struct archive_write *a,
struct archive_entry *entry)
{
char buff[512];
int r, ret, ret2 = ARCHIVE_OK;
int tartype;
struct gnutar *gnutar;
struct archive_string_conv *sconv;
struct archive_entry *entry_main;
gnutar = (struct gnutar *)a->format_data;
/* Setup default string conversion. */
if (gnutar->opt_sconv == NULL) {
if (!gnutar->init_default_conversion) {
gnutar->sconv_default =
archive_string_default_conversion_for_write(
&(a->archive));
gnutar->init_default_conversion = 1;
}
sconv = gnutar->sconv_default;
} else
sconv = gnutar->opt_sconv;
/* Only regular files (not hardlinks) have data. */
if (archive_entry_hardlink(entry) != NULL ||
archive_entry_symlink(entry) != NULL ||
!(archive_entry_filetype(entry) == AE_IFREG))
archive_entry_set_size(entry, 0);
if (AE_IFDIR == archive_entry_filetype(entry)) {
const char *p;
size_t path_length;
/*
* Ensure a trailing '/'. Modify the entry so
* the client sees the change.
*/
#if defined(_WIN32) && !defined(__CYGWIN__)
const wchar_t *wp;
wp = archive_entry_pathname_w(entry);
if (wp != NULL && wp[wcslen(wp) -1] != L'/') {
struct archive_wstring ws;
archive_string_init(&ws);
path_length = wcslen(wp);
if (archive_wstring_ensure(&ws,
path_length + 2) == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate ustar data");
archive_wstring_free(&ws);
return(ARCHIVE_FATAL);
}
/* Should we keep '\' ? */
if (wp[path_length -1] == L'\\')
path_length--;
archive_wstrncpy(&ws, wp, path_length);
archive_wstrappend_wchar(&ws, L'/');
archive_entry_copy_pathname_w(entry, ws.s);
archive_wstring_free(&ws);
p = NULL;
} else
#endif
p = archive_entry_pathname(entry);
/*
* On Windows, this is a backup operation just in
* case getting WCS failed. On POSIX, this is a
* normal operation.
*/
if (p != NULL && p[0] != '\0' && p[strlen(p) - 1] != '/') {
struct archive_string as;
archive_string_init(&as);
path_length = strlen(p);
if (archive_string_ensure(&as,
path_length + 2) == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate ustar data");
archive_string_free(&as);
return(ARCHIVE_FATAL);
}
#if defined(_WIN32) && !defined(__CYGWIN__)
/* NOTE: This might break the pathname
* if the current code page is CP932 and
* the pathname includes a character '\'
* as a part of its multibyte pathname. */
if (p[strlen(p) -1] == '\\')
path_length--;
else
#endif
archive_strncpy(&as, p, path_length);
archive_strappend_char(&as, '/');
archive_entry_copy_pathname(entry, as.s);
archive_string_free(&as);
}
}
#if defined(_WIN32) && !defined(__CYGWIN__)
/* Make sure the path separators in pathname, hardlink and symlink
* are all slash '/', not the Windows path separator '\'. */
entry_main = __la_win_entry_in_posix_pathseparator(entry);
if (entry_main == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate ustar data");
return(ARCHIVE_FATAL);
}
if (entry != entry_main)
entry = entry_main;
else
entry_main = NULL;
#else
entry_main = NULL;
#endif
r = archive_entry_pathname_l(entry, &(gnutar->pathname),
&(gnutar->pathname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Pathame");
ret = ARCHIVE_FATAL;
goto exit_write_header;
}
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate pathname '%s' to %s",
archive_entry_pathname(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
r = archive_entry_uname_l(entry, &(gnutar->uname),
&(gnutar->uname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Uname");
ret = ARCHIVE_FATAL;
goto exit_write_header;
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate uname '%s' to %s",
archive_entry_uname(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
r = archive_entry_gname_l(entry, &(gnutar->gname),
&(gnutar->gname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Gname");
ret = ARCHIVE_FATAL;
goto exit_write_header;
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate gname '%s' to %s",
archive_entry_gname(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
/* If linkname is longer than 100 chars we need to add a 'K' header. */
r = archive_entry_hardlink_l(entry, &(gnutar->linkname),
&(gnutar->linkname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Linkname");
ret = ARCHIVE_FATAL;
goto exit_write_header;
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate linkname '%s' to %s",
archive_entry_hardlink(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
if (gnutar->linkname_length == 0) {
r = archive_entry_symlink_l(entry, &(gnutar->linkname),
&(gnutar->linkname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Linkname");
ret = ARCHIVE_FATAL;
goto exit_write_header;
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate linkname '%s' to %s",
archive_entry_hardlink(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
}
if (gnutar->linkname_length > GNUTAR_linkname_size) {
size_t length = gnutar->linkname_length + 1;
struct archive_entry *temp = archive_entry_new2(&a->archive);
/* Uname/gname here don't really matter since no one reads them;
* these are the values that GNU tar happens to use on FreeBSD. */
archive_entry_set_uname(temp, "root");
archive_entry_set_gname(temp, "wheel");
archive_entry_set_pathname(temp, "././@LongLink");
archive_entry_set_size(temp, length);
ret = archive_format_gnutar_header(a, buff, temp, 'K');
archive_entry_free(temp);
if (ret < ARCHIVE_WARN)
goto exit_write_header;
ret = __archive_write_output(a, buff, 512);
if (ret < ARCHIVE_WARN)
goto exit_write_header;
/* Write name and trailing null byte. */
ret = __archive_write_output(a, gnutar->linkname, length);
if (ret < ARCHIVE_WARN)
goto exit_write_header;
/* Pad to 512 bytes */
ret = __archive_write_nulls(a, 0x1ff & (-(ssize_t)length));
if (ret < ARCHIVE_WARN)
goto exit_write_header;
}
/* If pathname is longer than 100 chars we need to add an 'L' header. */
if (gnutar->pathname_length > GNUTAR_name_size) {
const char *pathname = gnutar->pathname;
size_t length = gnutar->pathname_length + 1;
struct archive_entry *temp = archive_entry_new2(&a->archive);
/* Uname/gname here don't really matter since no one reads them;
* these are the values that GNU tar happens to use on FreeBSD. */
archive_entry_set_uname(temp, "root");
archive_entry_set_gname(temp, "wheel");
archive_entry_set_pathname(temp, "././@LongLink");
archive_entry_set_size(temp, length);
ret = archive_format_gnutar_header(a, buff, temp, 'L');
archive_entry_free(temp);
if (ret < ARCHIVE_WARN)
goto exit_write_header;
ret = __archive_write_output(a, buff, 512);
if(ret < ARCHIVE_WARN)
goto exit_write_header;
/* Write pathname + trailing null byte. */
ret = __archive_write_output(a, pathname, length);
if(ret < ARCHIVE_WARN)
goto exit_write_header;
/* Pad to multiple of 512 bytes. */
ret = __archive_write_nulls(a, 0x1ff & (-(ssize_t)length));
if (ret < ARCHIVE_WARN)
goto exit_write_header;
}
if (archive_entry_hardlink(entry) != NULL) {
tartype = '1';
} else
switch (archive_entry_filetype(entry)) {
case AE_IFREG: tartype = '0' ; break;
case AE_IFLNK: tartype = '2' ; break;
case AE_IFCHR: tartype = '3' ; break;
case AE_IFBLK: tartype = '4' ; break;
case AE_IFDIR: tartype = '5' ; break;
case AE_IFIFO: tartype = '6' ; break;
case AE_IFSOCK:
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"tar format cannot archive socket");
ret = ARCHIVE_FAILED;
goto exit_write_header;
default:
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"tar format cannot archive this (mode=0%lo)",
(unsigned long)archive_entry_mode(entry));
ret = ARCHIVE_FAILED;
goto exit_write_header;
}
ret = archive_format_gnutar_header(a, buff, entry, tartype);
if (ret < ARCHIVE_WARN)
goto exit_write_header;
if (ret2 < ret)
ret = ret2;
ret2 = __archive_write_output(a, buff, 512);
if (ret2 < ARCHIVE_WARN) {
ret = ret2;
goto exit_write_header;
}
if (ret2 < ret)
ret = ret2;
gnutar->entry_bytes_remaining = archive_entry_size(entry);
gnutar->entry_padding = 0x1ff & (-(int64_t)gnutar->entry_bytes_remaining);
exit_write_header:
archive_entry_free(entry_main);
return (ret);
}
static int
archive_write_gnutar_header(struct archive_write *a,
struct archive_entry *entry)
{
char buff[512];
int r, ret, ret2 = ARCHIVE_OK;
int tartype;
struct gnutar *gnutar;
struct archive_string_conv *sconv;
gnutar = (struct gnutar *)a->format_data;
/* Setup default string conversion. */
if (gnutar->opt_sconv == NULL) {
if (!gnutar->init_default_conversion) {
gnutar->sconv_default =
archive_string_default_conversion_for_write(
&(a->archive));
gnutar->init_default_conversion = 1;
}
sconv = gnutar->sconv_default;
} else
sconv = gnutar->opt_sconv;
/* Only regular files (not hardlinks) have data. */
if (archive_entry_hardlink(entry) != NULL ||
archive_entry_symlink(entry) != NULL ||
!(archive_entry_filetype(entry) == AE_IFREG))
archive_entry_set_size(entry, 0);
if (AE_IFDIR == archive_entry_filetype(entry)) {
const char *p;
char *t;
/*
* Ensure a trailing '/'. Modify the entry so
* the client sees the change.
*/
p = archive_entry_pathname(entry);
if (p[strlen(p) - 1] != '/') {
t = (char *)malloc(strlen(p) + 2);
if (t == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate gnutar data");
return(ARCHIVE_FATAL);
}
strcpy(t, p);
strcat(t, "/");
archive_entry_copy_pathname(entry, t);
free(t);
}
}
r = archive_entry_pathname_l(entry, &(gnutar->pathname),
&(gnutar->pathname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Pathame");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate pathname '%s' to %s",
archive_entry_pathname(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
r = archive_entry_uname_l(entry, &(gnutar->uname),
&(gnutar->uname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Uname");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate uname '%s' to %s",
archive_entry_uname(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
r = archive_entry_gname_l(entry, &(gnutar->gname),
&(gnutar->gname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Gname");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate gname '%s' to %s",
archive_entry_gname(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
/* If linkname is longer than 100 chars we need to add a 'K' header. */
r = archive_entry_hardlink_l(entry, &(gnutar->linkname),
&(gnutar->linkname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Linkname");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate linkname '%s' to %s",
archive_entry_hardlink(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
if (gnutar->linkname_length == 0) {
r = archive_entry_symlink_l(entry, &(gnutar->linkname),
&(gnutar->linkname_length), sconv);
if (r != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Linkname");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Can't translate linkname '%s' to %s",
archive_entry_hardlink(entry),
archive_string_conversion_charset_name(sconv));
ret2 = ARCHIVE_WARN;
}
}
if (gnutar->linkname_length > GNUTAR_linkname_size) {
size_t todo = gnutar->linkname_length;
struct archive_entry *temp = archive_entry_new2(&a->archive);
/* Uname/gname here don't really matter since no one reads them;
* these are the values that GNU tar happens to use on FreeBSD. */
archive_entry_set_uname(temp, "root");
archive_entry_set_gname(temp, "wheel");
archive_entry_set_pathname(temp, "././@LongLink");
archive_entry_set_size(temp, gnutar->linkname_length + 1);
ret = archive_format_gnutar_header(a, buff, temp, 'K');
if (ret < ARCHIVE_WARN)
return (ret);
ret = __archive_write_output(a, buff, 512);
if(ret < ARCHIVE_WARN)
return (ret);
archive_entry_free(temp);
/* Write as many 512 bytes blocks as needed to write full name. */
ret = __archive_write_output(a, gnutar->linkname, todo);
if(ret < ARCHIVE_WARN)
return (ret);
ret = __archive_write_nulls(a, 0x1ff & (-(ssize_t)todo));
if (ret < ARCHIVE_WARN)
return (ret);
}
/* If pathname is longer than 100 chars we need to add an 'L' header. */
if (gnutar->pathname_length > GNUTAR_name_size) {
const char *pathname = gnutar->pathname;
size_t todo = gnutar->pathname_length;
struct archive_entry *temp = archive_entry_new2(&a->archive);
/* Uname/gname here don't really matter since no one reads them;
* these are the values that GNU tar happens to use on FreeBSD. */
archive_entry_set_uname(temp, "root");
archive_entry_set_gname(temp, "wheel");
archive_entry_set_pathname(temp, "././@LongLink");
archive_entry_set_size(temp, gnutar->pathname_length + 1);
ret = archive_format_gnutar_header(a, buff, temp, 'L');
if (ret < ARCHIVE_WARN)
return (ret);
ret = __archive_write_output(a, buff, 512);
if(ret < ARCHIVE_WARN)
return (ret);
archive_entry_free(temp);
/* Write as many 512 bytes blocks as needed to write full name. */
ret = __archive_write_output(a, pathname, todo);
if(ret < ARCHIVE_WARN)
return (ret);
ret = __archive_write_nulls(a, 0x1ff & (-(ssize_t)todo));
if (ret < ARCHIVE_WARN)
return (ret);
}
if (archive_entry_hardlink(entry) != NULL) {
tartype = '1';
} else
switch (archive_entry_filetype(entry)) {
case AE_IFREG: tartype = '0' ; break;
case AE_IFLNK: tartype = '2' ; break;
case AE_IFCHR: tartype = '3' ; break;
case AE_IFBLK: tartype = '4' ; break;
case AE_IFDIR: tartype = '5' ; break;
case AE_IFIFO: tartype = '6' ; break;
case AE_IFSOCK:
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"tar format cannot archive socket");
return (ARCHIVE_FAILED);
default:
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"tar format cannot archive this (mode=0%lo)",
(unsigned long)archive_entry_mode(entry));
return (ARCHIVE_FAILED);
}
ret = archive_format_gnutar_header(a, buff, entry, tartype);
if (ret < ARCHIVE_WARN)
return (ret);
if (ret2 < ret)
ret = ret2;
ret2 = __archive_write_output(a, buff, 512);
if (ret2 < ARCHIVE_WARN)
return (ret2);
if (ret2 < ret)
ret = ret2;
gnutar->entry_bytes_remaining = archive_entry_size(entry);
gnutar->entry_padding = 0x1ff & (-(int64_t)gnutar->entry_bytes_remaining);
return (ret);
}
/*
* Display information about the current file.
*
* The format here roughly duplicates the output of 'ls -l'.
* This is based on SUSv2, where 'tar tv' is documented as
* listing additional information in an "unspecified format,"
* and 'pax -l' is documented as using the same format as 'ls -l'.
*/
static void
list_item_verbose(struct bsdtar *bsdtar, FILE *out, struct archive_entry *entry)
{
char tmp[100];
size_t w;
const char *p;
const char *fmt;
time_t tim;
static time_t now;
/*
* We avoid collecting the entire list in memory at once by
* listing things as we see them. However, that also means we can't
* just pre-compute the field widths. Instead, we start with guesses
* and just widen them as necessary. These numbers are completely
* arbitrary.
*/
if (!bsdtar->u_width) {
bsdtar->u_width = 6;
bsdtar->gs_width = 13;
}
if (!now)
time(&now);
fprintf(out, "%s %d ",
archive_entry_strmode(entry),
archive_entry_nlink(entry));
/* Use uname if it's present, else uid. */
p = archive_entry_uname(entry);
if ((p == NULL) || (*p == '\0')) {
sprintf(tmp, "%lu ",
(unsigned long)archive_entry_uid(entry));
p = tmp;
}
w = strlen(p);
if (w > bsdtar->u_width)
bsdtar->u_width = w;
fprintf(out, "%-*s ", (int)bsdtar->u_width, p);
/* Use gname if it's present, else gid. */
p = archive_entry_gname(entry);
if (p != NULL && p[0] != '\0') {
fprintf(out, "%s", p);
w = strlen(p);
} else {
sprintf(tmp, "%lu",
(unsigned long)archive_entry_gid(entry));
w = strlen(tmp);
fprintf(out, "%s", tmp);
}
/*
* Print device number or file size, right-aligned so as to make
* total width of group and devnum/filesize fields be gs_width.
* If gs_width is too small, grow it.
*/
if (archive_entry_filetype(entry) == AE_IFCHR
|| archive_entry_filetype(entry) == AE_IFBLK) {
sprintf(tmp, "%lu,%lu",
(unsigned long)archive_entry_rdevmajor(entry),
(unsigned long)archive_entry_rdevminor(entry));
} else {
strcpy(tmp, tar_i64toa(archive_entry_size(entry)));
}
if (w + strlen(tmp) >= bsdtar->gs_width)
bsdtar->gs_width = w+strlen(tmp)+1;
fprintf(out, "%*s", (int)(bsdtar->gs_width - w), tmp);
/* Format the time using 'ls -l' conventions. */
tim = archive_entry_mtime(entry);
#define HALF_YEAR (time_t)365 * 86400 / 2
#if defined(_WIN32) && !defined(__CYGWIN__)
#define DAY_FMT "%d" /* Windows' strftime function does not support %e format. */
#else
#define DAY_FMT "%e" /* Day number without leading zeros */
#endif
if (tim < now - HALF_YEAR || tim > now + HALF_YEAR)
fmt = bsdtar->day_first ? DAY_FMT " %b %Y" : "%b " DAY_FMT " %Y";
else
fmt = bsdtar->day_first ? DAY_FMT " %b %H:%M" : "%b " DAY_FMT " %H:%M";
strftime(tmp, sizeof(tmp), fmt, localtime(&tim));
fprintf(out, " %s ", tmp);
safe_fprintf(out, "%s", archive_entry_pathname(entry));
/* Extra information for links. */
if (archive_entry_hardlink(entry)) /* Hard link */
safe_fprintf(out, " link to %s",
archive_entry_hardlink(entry));
else if (archive_entry_symlink(entry)) /* Symbolic link */
safe_fprintf(out, " -> %s", archive_entry_symlink(entry));
}
/*
* test_compat_gtar_1.tgz exercises reading long filenames and
* symlink targets stored in the GNU tar format.
*/
static void
test_compat_gtar_1(void)
{
char name[] = "test_compat_gtar_1.tar";
struct archive_entry *ae;
struct archive *a;
int r;
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
extract_reference_file(name);
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
/* Read first entry. */
assertEqualIntA(a, ARCHIVE_OK, r = archive_read_next_header(a, &ae));
if (r != ARCHIVE_OK) {
archive_read_free(a);
return;
}
assertEqualString(
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890",
archive_entry_pathname(ae));
assertEqualInt(1197179003, archive_entry_mtime(ae));
assertEqualInt(1000, archive_entry_uid(ae));
assertEqualString("tim", archive_entry_uname(ae));
assertEqualInt(1000, archive_entry_gid(ae));
assertEqualString("tim", archive_entry_gname(ae));
assertEqualInt(0100644, archive_entry_mode(ae));
/* Read second entry. */
assertEqualIntA(a, ARCHIVE_OK, r = archive_read_next_header(a, &ae));
if (r != ARCHIVE_OK) {
archive_read_free(a);
return;
}
assertEqualString(
"abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij"
"abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij"
"abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij"
"abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij",
archive_entry_pathname(ae));
assertEqualString(
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890",
archive_entry_symlink(ae));
assertEqualInt(1197179043, archive_entry_mtime(ae));
assertEqualInt(1000, archive_entry_uid(ae));
assertEqualString("tim", archive_entry_uname(ae));
assertEqualInt(1000, archive_entry_gid(ae));
assertEqualString("tim", archive_entry_gname(ae));
assertEqualInt(0120755, archive_entry_mode(ae));
/* Verify the end-of-archive. */
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
/* Verify that the format detection worked. */
assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_NONE);
assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_GNUTAR);
assertEqualInt(ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
static int
archive_format_gnutar_header(struct archive_write *a, char h[512],
struct archive_entry *entry, int tartype)
{
unsigned int checksum;
int i, ret;
size_t copy_length;
const char *p;
struct gnutar *gnutar;
gnutar = (struct gnutar *)a->format_data;
ret = 0;
/*
* The "template header" already includes the signature,
* various end-of-field markers, and other required elements.
*/
memcpy(h, &template_header, 512);
/*
* Because the block is already null-filled, and strings
* are allowed to exactly fill their destination (without null),
* I use memcpy(dest, src, strlen()) here a lot to copy strings.
*/
if (tartype == 'K' || tartype == 'L') {
p = archive_entry_pathname(entry);
copy_length = strlen(p);
} else {
p = gnutar->pathname;
copy_length = gnutar->pathname_length;
}
if (copy_length > GNUTAR_name_size)
copy_length = GNUTAR_name_size;
memcpy(h + GNUTAR_name_offset, p, copy_length);
if ((copy_length = gnutar->linkname_length) > 0) {
if (copy_length > GNUTAR_linkname_size)
copy_length = GNUTAR_linkname_size;
memcpy(h + GNUTAR_linkname_offset, gnutar->linkname,
copy_length);
}
/* TODO: How does GNU tar handle unames longer than GNUTAR_uname_size? */
if (tartype == 'K' || tartype == 'L') {
p = archive_entry_uname(entry);
copy_length = strlen(p);
} else {
p = gnutar->uname;
copy_length = gnutar->uname_length;
}
if (copy_length > 0) {
if (copy_length > GNUTAR_uname_size)
copy_length = GNUTAR_uname_size;
memcpy(h + GNUTAR_uname_offset, p, copy_length);
}
/* TODO: How does GNU tar handle gnames longer than GNUTAR_gname_size? */
if (tartype == 'K' || tartype == 'L') {
p = archive_entry_gname(entry);
copy_length = strlen(p);
} else {
p = gnutar->gname;
copy_length = gnutar->gname_length;
}
if (copy_length > 0) {
if (strlen(p) > GNUTAR_gname_size)
copy_length = GNUTAR_gname_size;
memcpy(h + GNUTAR_gname_offset, p, copy_length);
}
/* By truncating the mode here, we ensure it always fits. */
format_octal(archive_entry_mode(entry) & 07777,
h + GNUTAR_mode_offset, GNUTAR_mode_size);
/* GNU tar supports base-256 here, so should never overflow. */
if (format_number(archive_entry_uid(entry), h + GNUTAR_uid_offset,
GNUTAR_uid_size, GNUTAR_uid_max_size)) {
archive_set_error(&a->archive, ERANGE,
"Numeric user ID %jd too large",
(intmax_t)archive_entry_uid(entry));
ret = ARCHIVE_FAILED;
}
/* GNU tar supports base-256 here, so should never overflow. */
if (format_number(archive_entry_gid(entry), h + GNUTAR_gid_offset,
GNUTAR_gid_size, GNUTAR_gid_max_size)) {
archive_set_error(&a->archive, ERANGE,
"Numeric group ID %jd too large",
(intmax_t)archive_entry_gid(entry));
ret = ARCHIVE_FAILED;
}
/* GNU tar supports base-256 here, so should never overflow. */
if (format_number(archive_entry_size(entry), h + GNUTAR_size_offset,
GNUTAR_size_size, GNUTAR_size_max_size)) {
archive_set_error(&a->archive, ERANGE,
"File size out of range");
ret = ARCHIVE_FAILED;
}
/* Shouldn't overflow before 2106, since mtime field is 33 bits. */
format_octal(archive_entry_mtime(entry),
h + GNUTAR_mtime_offset, GNUTAR_mtime_size);
if (archive_entry_filetype(entry) == AE_IFBLK
|| archive_entry_filetype(entry) == AE_IFCHR) {
if (format_octal(archive_entry_rdevmajor(entry),
h + GNUTAR_rdevmajor_offset,
GNUTAR_rdevmajor_size)) {
archive_set_error(&a->archive, ERANGE,
"Major device number too large");
ret = ARCHIVE_FAILED;
}
if (format_octal(archive_entry_rdevminor(entry),
h + GNUTAR_rdevminor_offset,
GNUTAR_rdevminor_size)) {
archive_set_error(&a->archive, ERANGE,
"Minor device number too large");
ret = ARCHIVE_FAILED;
}
}
h[GNUTAR_typeflag_offset] = tartype;
checksum = 0;
for (i = 0; i < 512; i++)
checksum += 255 & (unsigned int)h[i];
h[GNUTAR_checksum_offset + 6] = '\0'; /* Can't be pre-set in the template. */
/* h[GNUTAR_checksum_offset + 7] = ' '; */ /* This is pre-set in the template. */
format_octal(checksum, h + GNUTAR_checksum_offset, 6);
return (ret);
}
static int
archive_write_mtree_finish_entry(struct archive_write *a)
{
struct mtree_writer *mtree = a->format_data;
struct archive_entry *entry;
struct archive_string *str;
const char *name;
int keys, ret;
entry = mtree->entry;
if (entry == NULL) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Finished entry without being open first.");
return (ARCHIVE_FATAL);
}
mtree->entry = NULL;
if (mtree->dironly && archive_entry_filetype(entry) != AE_IFDIR) {
archive_entry_free(entry);
return (ARCHIVE_OK);
}
str = (mtree->indent)? &mtree->ebuf : &mtree->buf;
keys = get_keys(mtree, entry);
if ((keys & F_NLINK) != 0 &&
archive_entry_nlink(entry) != 1 &&
archive_entry_filetype(entry) != AE_IFDIR)
archive_string_sprintf(str,
" nlink=%u", archive_entry_nlink(entry));
if ((keys & F_GNAME) != 0 &&
(name = archive_entry_gname(entry)) != NULL) {
archive_strcat(str, " gname=");
mtree_quote(str, name);
}
if ((keys & F_UNAME) != 0 &&
(name = archive_entry_uname(entry)) != NULL) {
archive_strcat(str, " uname=");
mtree_quote(str, name);
}
if ((keys & F_FLAGS) != 0 &&
(name = archive_entry_fflags_text(entry)) != NULL) {
archive_strcat(str, " flags=");
mtree_quote(str, name);
}
if ((keys & F_TIME) != 0)
archive_string_sprintf(str, " time=%jd.%jd",
(intmax_t)archive_entry_mtime(entry),
(intmax_t)archive_entry_mtime_nsec(entry));
if ((keys & F_MODE) != 0)
archive_string_sprintf(str, " mode=%o",
archive_entry_mode(entry) & 07777);
if ((keys & F_GID) != 0)
archive_string_sprintf(str, " gid=%jd",
(intmax_t)archive_entry_gid(entry));
if ((keys & F_UID) != 0)
archive_string_sprintf(str, " uid=%jd",
(intmax_t)archive_entry_uid(entry));
switch (archive_entry_filetype(entry)) {
case AE_IFLNK:
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=link");
if ((keys & F_SLINK) != 0) {
archive_strcat(str, " link=");
mtree_quote(str, archive_entry_symlink(entry));
}
break;
case AE_IFSOCK:
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=socket");
break;
case AE_IFCHR:
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=char");
if ((keys & F_DEV) != 0) {
archive_string_sprintf(str,
" device=native,%d,%d",
archive_entry_rdevmajor(entry),
archive_entry_rdevminor(entry));
}
break;
case AE_IFBLK:
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=block");
if ((keys & F_DEV) != 0) {
archive_string_sprintf(str,
" device=native,%d,%d",
archive_entry_rdevmajor(entry),
archive_entry_rdevminor(entry));
}
break;
case AE_IFDIR:
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=dir");
break;
case AE_IFIFO:
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=fifo");
break;
case AE_IFREG:
default: /* Handle unknown file types as regular files. */
if ((keys & F_TYPE) != 0)
archive_strcat(str, " type=file");
if ((keys & F_SIZE) != 0)
archive_string_sprintf(str, " size=%jd",
(intmax_t)archive_entry_size(entry));
break;
}
if (mtree->compute_sum & F_CKSUM) {
uint64_t len;
/* Include the length of the file. */
for (len = mtree->crc_len; len != 0; len >>= 8)
COMPUTE_CRC(mtree->crc, len & 0xff);
mtree->crc = ~mtree->crc;
archive_string_sprintf(str, " cksum=%ju",
(uintmax_t)mtree->crc);
}
