static int
header_bin_be(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
const unsigned char *header;
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_BIN_BE;
a->archive.archive_format_name = "cpio (big-endian binary)";
/* Read fixed-size portion of header. */
h = __archive_read_ahead(a, bin_header_size, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
/* Parse out binary fields. */
header = (const unsigned char *)h;
archive_entry_set_dev(entry, header[bin_dev_offset] * 256 + header[bin_dev_offset + 1]);
archive_entry_set_ino(entry, header[bin_ino_offset] * 256 + header[bin_ino_offset + 1]);
archive_entry_set_mode(entry, header[bin_mode_offset] * 256 + header[bin_mode_offset + 1]);
archive_entry_set_uid(entry, header[bin_uid_offset] * 256 + header[bin_uid_offset + 1]);
archive_entry_set_gid(entry, header[bin_gid_offset] * 256 + header[bin_gid_offset + 1]);
archive_entry_set_nlink(entry, header[bin_nlink_offset] * 256 + header[bin_nlink_offset + 1]);
archive_entry_set_rdev(entry, header[bin_rdev_offset] * 256 + header[bin_rdev_offset + 1]);
archive_entry_set_mtime(entry, be4(header + bin_mtime_offset), 0);
*namelength = header[bin_namesize_offset] * 256 + header[bin_namesize_offset + 1];
*name_pad = *namelength & 1; /* Pad to even. */
cpio->entry_bytes_remaining = be4(header + bin_filesize_offset);
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
cpio->entry_padding = cpio->entry_bytes_remaining & 1; /* Pad to even. */
__archive_read_consume(a, bin_header_size);
return (ARCHIVE_OK);
}
static int
header_bin_be(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
const struct cpio_bin_header *header;
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_BIN_BE;
a->archive.archive_format_name = "cpio (big-endian binary)";
/* Read fixed-size portion of header. */
h = __archive_read_ahead(a, sizeof(struct cpio_bin_header), NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
__archive_read_consume(a, sizeof(struct cpio_bin_header));
/* Parse out binary fields. */
header = (const struct cpio_bin_header *)h;
archive_entry_set_dev(entry, header->c_dev[0] * 256 + header->c_dev[1]);
archive_entry_set_ino(entry, header->c_ino[0] * 256 + header->c_ino[1]);
archive_entry_set_mode(entry, header->c_mode[0] * 256 + header->c_mode[1]);
archive_entry_set_uid(entry, header->c_uid[0] * 256 + header->c_uid[1]);
archive_entry_set_gid(entry, header->c_gid[0] * 256 + header->c_gid[1]);
archive_entry_set_nlink(entry, header->c_nlink[0] * 256 + header->c_nlink[1]);
archive_entry_set_rdev(entry, header->c_rdev[0] * 256 + header->c_rdev[1]);
archive_entry_set_mtime(entry, be4(header->c_mtime), 0);
*namelength = header->c_namesize[0] * 256 + header->c_namesize[1];
*name_pad = *namelength & 1; /* Pad to even. */
cpio->entry_bytes_remaining = be4(header->c_filesize);
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
cpio->entry_padding = cpio->entry_bytes_remaining & 1; /* Pad to even. */
return (ARCHIVE_OK);
}
static int
header_odc(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
int r;
const char *header;
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_POSIX;
a->archive.archive_format_name = "POSIX octet-oriented cpio";
/* Find the start of the next header. */
r = find_odc_header(a);
if (r < ARCHIVE_WARN)
return (r);
if (a->archive.archive_format == ARCHIVE_FORMAT_CPIO_AFIO_LARGE) {
int r2 = (header_afiol(a, cpio, entry, namelength, name_pad));
if (r2 == ARCHIVE_OK)
return (r);
else
return (r2);
}
/* Read fixed-size portion of header. */
h = __archive_read_ahead(a, odc_header_size, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
/* Parse out octal fields. */
header = (const char *)h;
archive_entry_set_dev(entry,
(dev_t)atol8(header + odc_dev_offset, odc_dev_size));
archive_entry_set_ino(entry, atol8(header + odc_ino_offset, odc_ino_size));
archive_entry_set_mode(entry,
(mode_t)atol8(header + odc_mode_offset, odc_mode_size));
archive_entry_set_uid(entry, atol8(header + odc_uid_offset, odc_uid_size));
archive_entry_set_gid(entry, atol8(header + odc_gid_offset, odc_gid_size));
archive_entry_set_nlink(entry,
(unsigned int)atol8(header + odc_nlink_offset, odc_nlink_size));
archive_entry_set_rdev(entry,
(dev_t)atol8(header + odc_rdev_offset, odc_rdev_size));
archive_entry_set_mtime(entry, atol8(header + odc_mtime_offset, odc_mtime_size), 0);
*namelength = (size_t)atol8(header + odc_namesize_offset, odc_namesize_size);
*name_pad = 0; /* No padding of filename. */
/*
* Note: entry_bytes_remaining is at least 64 bits and
* therefore guaranteed to be big enough for a 33-bit file
* size.
*/
cpio->entry_bytes_remaining =
atol8(header + odc_filesize_offset, odc_filesize_size);
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
cpio->entry_padding = 0;
__archive_read_consume(a, odc_header_size);
return (r);
}
static int
header_newc(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
const struct cpio_newc_header *header;
size_t bytes;
int r;
r = find_newc_header(a);
if (r < ARCHIVE_WARN)
return (r);
/* Read fixed-size portion of header. */
bytes = (a->decompressor->read_ahead)(a, &h, sizeof(struct cpio_newc_header));
if (bytes < sizeof(struct cpio_newc_header))
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, sizeof(struct cpio_newc_header));
/* Parse out hex fields. */
header = (const struct cpio_newc_header *)h;
if (memcmp(header->c_magic, "070701", 6) == 0) {
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_NOCRC;
a->archive.archive_format_name = "ASCII cpio (SVR4 with no CRC)";
} else if (memcmp(header->c_magic, "070702", 6) == 0) {
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_CRC;
a->archive.archive_format_name = "ASCII cpio (SVR4 with CRC)";
} else {
/* TODO: Abort here? */
}
archive_entry_set_devmajor(entry, atol16(header->c_devmajor, sizeof(header->c_devmajor)));
archive_entry_set_devminor(entry, atol16(header->c_devminor, sizeof(header->c_devminor)));
archive_entry_set_ino(entry, atol16(header->c_ino, sizeof(header->c_ino)));
archive_entry_set_mode(entry, atol16(header->c_mode, sizeof(header->c_mode)));
archive_entry_set_uid(entry, atol16(header->c_uid, sizeof(header->c_uid)));
archive_entry_set_gid(entry, atol16(header->c_gid, sizeof(header->c_gid)));
archive_entry_set_nlink(entry, atol16(header->c_nlink, sizeof(header->c_nlink)));
archive_entry_set_rdevmajor(entry, atol16(header->c_rdevmajor, sizeof(header->c_rdevmajor)));
archive_entry_set_rdevminor(entry, atol16(header->c_rdevminor, sizeof(header->c_rdevminor)));
archive_entry_set_mtime(entry, atol16(header->c_mtime, sizeof(header->c_mtime)), 0);
*namelength = atol16(header->c_namesize, sizeof(header->c_namesize));
/* Pad name to 2 more than a multiple of 4. */
*name_pad = (2 - *namelength) & 3;
/*
* Note: entry_bytes_remaining is at least 64 bits and
* therefore guaranteed to be big enough for a 33-bit file
* size.
*/
cpio->entry_bytes_remaining =
atol16(header->c_filesize, sizeof(header->c_filesize));
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
/* Pad file contents to a multiple of 4. */
cpio->entry_padding = 3 & -cpio->entry_bytes_remaining;
return (r);
}
static void
write_normal_file(const char *name, struct archive *archive,
struct archive_entry_linkresolver *resolver,
const char *owner, const char *group)
{
char buf[16384];
ssize_t buf_len;
struct archive_entry *entry, *sparse_entry;
struct stat st;
if (lstat(name, &st) == -1)
err(2, "lstat failed for file %s", name);
entry = archive_entry_new();
archive_entry_set_pathname(entry, name);
archive_entry_copy_stat(entry, &st);
if (owner != NULL) {
uid_t uid;
archive_entry_set_uname(entry, owner);
if (uid_from_user(owner, &uid) == -1)
errx(2, "user %s unknown", owner);
archive_entry_set_uid(entry, uid);
} else {
archive_entry_set_uname(entry, user_from_uid(st.st_uid, 1));
}
if (group != NULL) {
gid_t gid;
archive_entry_set_gname(entry, group);
if (gid_from_group(group, &gid) == -1)
errx(2, "group %s unknown", group);
archive_entry_set_gid(entry, gid);
} else {
archive_entry_set_gname(entry, group_from_gid(st.st_gid, 1));
}
if ((st.st_mode & S_IFMT) == S_IFLNK) {
buf_len = readlink(name, buf, sizeof buf);
if (buf_len < 0)
err(2, "cannot read symlink %s", name);
buf[buf_len] = '\0';
archive_entry_set_symlink(entry, buf);
}
archive_entry_linkify(resolver, &entry, &sparse_entry);
if (entry != NULL)
write_entry(archive, entry);
if (sparse_entry != NULL)
write_entry(archive, sparse_entry);
}
static int ar_entry_gid(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_pushnumber(L, archive_entry_gid(self));
if ( is_set ) {
archive_entry_set_gid(self, lua_tonumber(L, 2));
}
return 1;
}
static int
header_odc(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
int r;
const struct cpio_odc_header *header;
size_t bytes;
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_POSIX;
a->archive.archive_format_name = "POSIX octet-oriented cpio";
/* Find the start of the next header. */
r = find_odc_header(a);
if (r < ARCHIVE_WARN)
return (r);
/* Read fixed-size portion of header. */
bytes = (a->decompressor->read_ahead)(a, &h, sizeof(struct cpio_odc_header));
if (bytes < sizeof(struct cpio_odc_header))
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, sizeof(struct cpio_odc_header));
/* Parse out octal fields. */
header = (const struct cpio_odc_header *)h;
archive_entry_set_dev(entry, atol8(header->c_dev, sizeof(header->c_dev)));
archive_entry_set_ino(entry, atol8(header->c_ino, sizeof(header->c_ino)));
archive_entry_set_mode(entry, atol8(header->c_mode, sizeof(header->c_mode)));
archive_entry_set_uid(entry, atol8(header->c_uid, sizeof(header->c_uid)));
archive_entry_set_gid(entry, atol8(header->c_gid, sizeof(header->c_gid)));
archive_entry_set_nlink(entry, atol8(header->c_nlink, sizeof(header->c_nlink)));
archive_entry_set_rdev(entry, atol8(header->c_rdev, sizeof(header->c_rdev)));
archive_entry_set_mtime(entry, atol8(header->c_mtime, sizeof(header->c_mtime)), 0);
*namelength = atol8(header->c_namesize, sizeof(header->c_namesize));
*name_pad = 0; /* No padding of filename. */
/*
* Note: entry_bytes_remaining is at least 64 bits and
* therefore guaranteed to be big enough for a 33-bit file
* size.
*/
cpio->entry_bytes_remaining =
atol8(header->c_filesize, sizeof(header->c_filesize));
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
cpio->entry_padding = 0;
return (r);
}
void
archive_entry_copy_stat(struct archive_entry *entry, const struct stat *st)
{
#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
archive_entry_set_atime(entry, st->st_atime, st->st_atimespec.tv_nsec);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctimespec.tv_nsec);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtimespec.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
archive_entry_set_atime(entry, st->st_atime, st->st_atim.tv_nsec);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctim.tv_nsec);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtim.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIME_N
archive_entry_set_atime(entry, st->st_atime, st->st_atime_n);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctime_n);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtime_n);
#elif HAVE_STRUCT_STAT_ST_UMTIME
archive_entry_set_atime(entry, st->st_atime, st->st_uatime * 1000);
archive_entry_set_ctime(entry, st->st_ctime, st->st_uctime * 1000);
archive_entry_set_mtime(entry, st->st_mtime, st->st_umtime * 1000);
#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
archive_entry_set_atime(entry, st->st_atime, st->st_atime_usec * 1000);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctime_usec * 1000);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtime_usec * 1000);
#else
archive_entry_set_atime(entry, st->st_atime, 0);
archive_entry_set_ctime(entry, st->st_ctime, 0);
archive_entry_set_mtime(entry, st->st_mtime, 0);
#endif
#if HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
archive_entry_set_birthtime(entry, st->st_birthtime, st->st_birthtimespec.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_BIRTHTIME
archive_entry_set_birthtime(entry, st->st_birthtime, 0);
#else
archive_entry_unset_birthtime(entry);
#endif
archive_entry_set_dev(entry, st->st_dev);
archive_entry_set_gid(entry, st->st_gid);
archive_entry_set_uid(entry, st->st_uid);
archive_entry_set_ino(entry, st->st_ino);
archive_entry_set_nlink(entry, st->st_nlink);
archive_entry_set_rdev(entry, st->st_rdev);
archive_entry_set_size(entry, st->st_size);
archive_entry_set_mode(entry, st->st_mode);
}
/*
* NOTE: if a filename suffix is ".z", it is the file gziped by afio.
* it would be nice that we can show uncompressed file size and we can
* uncompressed file contents automatically, unfortunately we have nothing
* to get a uncompressed file size while reading each header. It means
* we also cannot uncompress file contents under our framework.
*/
static int
header_afiol(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
const char *header;
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_AFIO_LARGE;
a->archive.archive_format_name = "afio large ASCII";
/* Read fixed-size portion of header. */
h = __archive_read_ahead(a, afiol_header_size, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
/* Parse out octal fields. */
header = (const char *)h;
archive_entry_set_dev(entry,
(dev_t)atol16(header + afiol_dev_offset, afiol_dev_size));
archive_entry_set_ino(entry, atol16(header + afiol_ino_offset, afiol_ino_size));
archive_entry_set_mode(entry,
(mode_t)atol8(header + afiol_mode_offset, afiol_mode_size));
archive_entry_set_uid(entry, atol16(header + afiol_uid_offset, afiol_uid_size));
archive_entry_set_gid(entry, atol16(header + afiol_gid_offset, afiol_gid_size));
archive_entry_set_nlink(entry,
(unsigned int)atol16(header + afiol_nlink_offset, afiol_nlink_size));
archive_entry_set_rdev(entry,
(dev_t)atol16(header + afiol_rdev_offset, afiol_rdev_size));
archive_entry_set_mtime(entry, atol16(header + afiol_mtime_offset, afiol_mtime_size), 0);
*namelength = (size_t)atol16(header + afiol_namesize_offset, afiol_namesize_size);
*name_pad = 0; /* No padding of filename. */
cpio->entry_bytes_remaining =
atol16(header + afiol_filesize_offset, afiol_filesize_size);
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
cpio->entry_padding = 0;
__archive_read_consume(a, afiol_header_size);
return (ARCHIVE_OK);
}
static int
ar_parse_common_header(struct ar *ar, struct archive_entry *entry,
const char *h)
{
uint64_t n;
/* Copy remaining header */
archive_entry_set_mtime(entry,
(time_t)ar_atol10(h + AR_date_offset, AR_date_size), 0L);
archive_entry_set_uid(entry,
(uid_t)ar_atol10(h + AR_uid_offset, AR_uid_size));
archive_entry_set_gid(entry,
(gid_t)ar_atol10(h + AR_gid_offset, AR_gid_size));
archive_entry_set_mode(entry,
(mode_t)ar_atol8(h + AR_mode_offset, AR_mode_size));
n = ar_atol10(h + AR_size_offset, AR_size_size);
ar->entry_offset = 0;
ar->entry_padding = n % 2;
archive_entry_set_size(entry, n);
ar->entry_bytes_remaining = n;
return (ARCHIVE_OK);
}
static int
header_bin_le(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
const struct cpio_bin_header *header;
size_t bytes;
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_BIN_LE;
a->archive.archive_format_name = "cpio (little-endian binary)";
/* Read fixed-size portion of header. */
bytes = (a->decompressor->read_ahead)(a, &h, sizeof(struct cpio_bin_header));
if (bytes < sizeof(struct cpio_bin_header))
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, sizeof(struct cpio_bin_header));
/* Parse out binary fields. */
header = (const struct cpio_bin_header *)h;
archive_entry_set_dev(entry, header->c_dev[0] + header->c_dev[1] * 256);
archive_entry_set_ino(entry, header->c_ino[0] + header->c_ino[1] * 256);
archive_entry_set_mode(entry, header->c_mode[0] + header->c_mode[1] * 256);
archive_entry_set_uid(entry, header->c_uid[0] + header->c_uid[1] * 256);
archive_entry_set_gid(entry, header->c_gid[0] + header->c_gid[1] * 256);
archive_entry_set_nlink(entry, header->c_nlink[0] + header->c_nlink[1] * 256);
archive_entry_set_rdev(entry, header->c_rdev[0] + header->c_rdev[1] * 256);
archive_entry_set_mtime(entry, le4(header->c_mtime), 0);
*namelength = header->c_namesize[0] + header->c_namesize[1] * 256;
*name_pad = *namelength & 1; /* Pad to even. */
cpio->entry_bytes_remaining = le4(header->c_filesize);
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
cpio->entry_padding = cpio->entry_bytes_remaining & 1; /* Pad to even. */
return (ARCHIVE_OK);
}
/*
* Add the file or dir hierarchy named by 'path' to the archive
*/
static void
write_hierarchy(struct bsdtar *bsdtar, struct archive *a, const char *path)
{
struct archive *disk = bsdtar->diskreader;
struct archive_entry *entry = NULL, *spare_entry = NULL;
int r;
r = archive_read_disk_open(disk, path);
if (r != ARCHIVE_OK) {
lafe_warnc(archive_errno(disk),
"%s", archive_error_string(disk));
bsdtar->return_value = 1;
return;
}
bsdtar->first_fs = -1;
for (;;) {
archive_entry_free(entry);
entry = archive_entry_new();
r = archive_read_next_header2(disk, entry);
if (r == ARCHIVE_EOF)
break;
else if (r != ARCHIVE_OK) {
lafe_warnc(archive_errno(disk),
"%s", archive_error_string(disk));
if (r == ARCHIVE_FATAL) {
bsdtar->return_value = 1;
return;
} else if (r < ARCHIVE_WARN)
continue;
}
if (bsdtar->uid >= 0) {
archive_entry_set_uid(entry, bsdtar->uid);
if (!bsdtar->uname)
archive_entry_set_uname(entry,
archive_read_disk_uname(bsdtar->diskreader,
bsdtar->uid));
}
if (bsdtar->gid >= 0) {
archive_entry_set_gid(entry, bsdtar->gid);
if (!bsdtar->gname)
archive_entry_set_gname(entry,
archive_read_disk_gname(bsdtar->diskreader,
bsdtar->gid));
}
if (bsdtar->uname)
archive_entry_set_uname(entry, bsdtar->uname);
if (bsdtar->gname)
archive_entry_set_gname(entry, bsdtar->gname);
/*
* Rewrite the pathname to be archived. If rewrite
* fails, skip the entry.
*/
if (edit_pathname(bsdtar, entry))
continue;
/* Display entry as we process it.
* This format is required by SUSv2. */
if (bsdtar->verbose)
safe_fprintf(stderr, "a %s",
archive_entry_pathname(entry));
/* Non-regular files get archived with zero size. */
if (archive_entry_filetype(entry) != AE_IFREG)
archive_entry_set_size(entry, 0);
archive_entry_linkify(bsdtar->resolver, &entry, &spare_entry);
while (entry != NULL) {
write_file(bsdtar, a, entry);
archive_entry_free(entry);
entry = spare_entry;
spare_entry = NULL;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
}
archive_entry_free(entry);
archive_read_close(disk);
}
static void
mode_in(struct cpio *cpio)
{
struct archive *a;
struct archive_entry *entry;
struct archive *ext;
const char *destpath;
int r;
ext = archive_write_disk_new();
if (ext == NULL)
lafe_errc(1, 0, "Couldn't allocate restore object");
r = archive_write_disk_set_options(ext, cpio->extract_flags);
if (r != ARCHIVE_OK)
lafe_errc(1, 0, "%s", archive_error_string(ext));
a = archive_read_new();
if (a == NULL)
lafe_errc(1, 0, "Couldn't allocate archive object");
archive_read_support_compression_all(a);
archive_read_support_format_all(a);
if (archive_read_open_file(a, cpio->filename, cpio->bytes_per_block))
lafe_errc(1, archive_errno(a),
"%s", archive_error_string(a));
for (;;) {
r = archive_read_next_header(a, &entry);
if (r == ARCHIVE_EOF)
break;
if (r != ARCHIVE_OK) {
lafe_errc(1, archive_errno(a),
"%s", archive_error_string(a));
}
if (lafe_excluded(cpio->matching, archive_entry_pathname(entry)))
continue;
if (cpio->option_rename) {
destpath = cpio_rename(archive_entry_pathname(entry));
archive_entry_set_pathname(entry, destpath);
} else
destpath = archive_entry_pathname(entry);
if (destpath == NULL)
continue;
if (cpio->verbose)
fprintf(stdout, "%s\n", destpath);
if (cpio->uid_override >= 0)
archive_entry_set_uid(entry, cpio->uid_override);
if (cpio->gid_override >= 0)
archive_entry_set_gid(entry, cpio->gid_override);
r = archive_write_header(ext, entry);
if (r != ARCHIVE_OK) {
fprintf(stderr, "%s: %s\n",
archive_entry_pathname(entry),
archive_error_string(ext));
} else if (archive_entry_size(entry) > 0) {
r = extract_data(a, ext);
if (r != ARCHIVE_OK)
cpio->return_value = 1;
}
}
r = archive_read_close(a);
if (r != ARCHIVE_OK)
lafe_errc(1, 0, "%s", archive_error_string(a));
r = archive_write_close(ext);
if (r != ARCHIVE_OK)
lafe_errc(1, 0, "%s", archive_error_string(ext));
if (!cpio->quiet) {
int64_t blocks = (archive_position_uncompressed(a) + 511)
/ 512;
fprintf(stderr, "%lu %s\n", (unsigned long)blocks,
blocks == 1 ? "block" : "blocks");
}
archive_read_finish(a);
archive_write_finish(ext);
exit(cpio->return_value);
}
/*
* This is used by both out mode (to copy objects from disk into
* an archive) and pass mode (to copy objects from disk to
* an archive_write_disk "archive").
*/
static int
file_to_archive(struct cpio *cpio, const char *srcpath)
{
const char *destpath;
struct archive_entry *entry, *spare;
size_t len;
const char *p;
int r;
/*
* Create an archive_entry describing the source file.
*
*/
entry = archive_entry_new();
if (entry == NULL)
lafe_errc(1, 0, "Couldn't allocate entry");
archive_entry_copy_sourcepath(entry, srcpath);
r = archive_read_disk_entry_from_file(cpio->archive_read_disk,
entry, -1, NULL);
if (r < ARCHIVE_FAILED)
lafe_errc(1, 0, "%s",
archive_error_string(cpio->archive_read_disk));
if (r < ARCHIVE_OK)
lafe_warnc(0, "%s",
archive_error_string(cpio->archive_read_disk));
if (r <= ARCHIVE_FAILED) {
cpio->return_value = 1;
return (r);
}
if (cpio->uid_override >= 0)
archive_entry_set_uid(entry, cpio->uid_override);
if (cpio->gid_override >= 0)
archive_entry_set_gid(entry, cpio->gid_override);
/*
* Generate a destination path for this entry.
* "destination path" is the name to which it will be copied in
* pass mode or the name that will go into the archive in
* output mode.
*/
destpath = srcpath;
if (cpio->destdir) {
len = strlen(cpio->destdir) + strlen(srcpath) + 8;
if (len >= cpio->pass_destpath_alloc) {
while (len >= cpio->pass_destpath_alloc) {
cpio->pass_destpath_alloc += 512;
cpio->pass_destpath_alloc *= 2;
}
free(cpio->pass_destpath);
cpio->pass_destpath = malloc(cpio->pass_destpath_alloc);
if (cpio->pass_destpath == NULL)
lafe_errc(1, ENOMEM,
"Can't allocate path buffer");
}
strcpy(cpio->pass_destpath, cpio->destdir);
p = srcpath;
while (p[0] == '/')
++p;
strcat(cpio->pass_destpath, p);
destpath = cpio->pass_destpath;
}
if (cpio->option_rename)
destpath = cpio_rename(destpath);
if (destpath == NULL)
return (0);
archive_entry_copy_pathname(entry, destpath);
/*
* If we're trying to preserve hardlinks, match them here.
*/
spare = NULL;
if (cpio->linkresolver != NULL
&& archive_entry_filetype(entry) != AE_IFDIR) {
archive_entry_linkify(cpio->linkresolver, &entry, &spare);
}
if (entry != NULL) {
r = entry_to_archive(cpio, entry);
archive_entry_free(entry);
if (spare != NULL) {
if (r == 0)
r = entry_to_archive(cpio, spare);
archive_entry_free(spare);
}
}
return (r);
}
/*
* Parse a single keyword and its value.
*/
static int
parse_keyword(struct archive_read *a, struct mtree *mtree,
struct archive_entry *entry, struct mtree_option *opt, int *parsed_kws)
{
char *val, *key;
key = opt->value;
if (*key == '\0')
return (ARCHIVE_OK);
if (strcmp(key, "nochange") == 0) {
*parsed_kws |= MTREE_HAS_NOCHANGE;
return (ARCHIVE_OK);
}
if (strcmp(key, "optional") == 0) {
*parsed_kws |= MTREE_HAS_OPTIONAL;
return (ARCHIVE_OK);
}
if (strcmp(key, "ignore") == 0) {
/*
* The mtree processing is not recursive, so
* recursion will only happen for explicitly listed
* entries.
*/
return (ARCHIVE_OK);
}
val = strchr(key, '=');
if (val == NULL) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Malformed attribute \"%s\" (%d)", key, key[0]);
return (ARCHIVE_WARN);
}
*val = '\0';
++val;
switch (key[0]) {
case 'c':
if (strcmp(key, "content") == 0
|| strcmp(key, "contents") == 0) {
parse_escapes(val, NULL);
archive_strcpy(&mtree->contents_name, val);
break;
}
if (strcmp(key, "cksum") == 0)
break;
case 'd':
if (strcmp(key, "device") == 0) {
*parsed_kws |= MTREE_HAS_DEVICE;
return parse_device(&a->archive, entry, val);
}
case 'f':
if (strcmp(key, "flags") == 0) {
*parsed_kws |= MTREE_HAS_FFLAGS;
archive_entry_copy_fflags_text(entry, val);
break;
}
case 'g':
if (strcmp(key, "gid") == 0) {
*parsed_kws |= MTREE_HAS_GID;
archive_entry_set_gid(entry, mtree_atol10(&val));
break;
}
if (strcmp(key, "gname") == 0) {
*parsed_kws |= MTREE_HAS_GNAME;
archive_entry_copy_gname(entry, val);
break;
}
case 'l':
if (strcmp(key, "link") == 0) {
archive_entry_copy_symlink(entry, val);
break;
}
case 'm':
if (strcmp(key, "md5") == 0 || strcmp(key, "md5digest") == 0)
break;
if (strcmp(key, "mode") == 0) {
if (val[0] >= '0' && val[0] <= '9') {
*parsed_kws |= MTREE_HAS_PERM;
archive_entry_set_perm(entry,
(mode_t)mtree_atol8(&val));
} else {
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Symbolic mode \"%s\" unsupported", val);
return ARCHIVE_WARN;
}
break;
}
case 'n':
if (strcmp(key, "nlink") == 0) {
*parsed_kws |= MTREE_HAS_NLINK;
archive_entry_set_nlink(entry,
(unsigned int)mtree_atol10(&val));
break;
}
case 'r':
if (strcmp(key, "rmd160") == 0 ||
strcmp(key, "rmd160digest") == 0)
break;
case 's':
if (strcmp(key, "sha1") == 0 || strcmp(key, "sha1digest") == 0)
break;
if (strcmp(key, "sha256") == 0 ||
strcmp(key, "sha256digest") == 0)
break;
if (strcmp(key, "sha384") == 0 ||
strcmp(key, "sha384digest") == 0)
break;
if (strcmp(key, "sha512") == 0 ||
strcmp(key, "sha512digest") == 0)
break;
if (strcmp(key, "size") == 0) {
archive_entry_set_size(entry, mtree_atol10(&val));
break;
}
case 't':
if (strcmp(key, "tags") == 0) {
/*
* Comma delimited list of tags.
* Ignore the tags for now, but the interface
* should be extended to allow inclusion/exclusion.
*/
break;
}
if (strcmp(key, "time") == 0) {
int64_t m;
int64_t my_time_t_max = get_time_t_max();
int64_t my_time_t_min = get_time_t_min();
long ns;
*parsed_kws |= MTREE_HAS_MTIME;
m = mtree_atol10(&val);
/* Replicate an old mtree bug:
* 123456789.1 represents 123456789
* seconds and 1 nanosecond. */
if (*val == '.') {
++val;
ns = (long)mtree_atol10(&val);
} else
ns = 0;
if (m > my_time_t_max)
m = my_time_t_max;
else if (m < my_time_t_min)
m = my_time_t_min;
archive_entry_set_mtime(entry, (time_t)m, ns);
break;
}
if (strcmp(key, "type") == 0) {
switch (val[0]) {
case 'b':
if (strcmp(val, "block") == 0) {
archive_entry_set_filetype(entry, AE_IFBLK);
break;
}
case 'c':
if (strcmp(val, "char") == 0) {
archive_entry_set_filetype(entry, AE_IFCHR);
break;
}
case 'd':
if (strcmp(val, "dir") == 0) {
archive_entry_set_filetype(entry, AE_IFDIR);
break;
}
case 'f':
if (strcmp(val, "fifo") == 0) {
archive_entry_set_filetype(entry, AE_IFIFO);
break;
}
if (strcmp(val, "file") == 0) {
archive_entry_set_filetype(entry, AE_IFREG);
break;
}
case 'l':
if (strcmp(val, "link") == 0) {
archive_entry_set_filetype(entry, AE_IFLNK);
break;
}
default:
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Unrecognized file type \"%s\"; assuming \"file\"", val);
archive_entry_set_filetype(entry, AE_IFREG);
return (ARCHIVE_WARN);
}
*parsed_kws |= MTREE_HAS_TYPE;
break;
}
case 'u':
if (strcmp(key, "uid") == 0) {
*parsed_kws |= MTREE_HAS_UID;
archive_entry_set_uid(entry, mtree_atol10(&val));
break;
}
if (strcmp(key, "uname") == 0) {
*parsed_kws |= MTREE_HAS_UNAME;
archive_entry_copy_uname(entry, val);
break;
}
default:
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Unrecognized key %s=%s", key, val);
return (ARCHIVE_WARN);
}
return (ARCHIVE_OK);
}
/*
* A single file can have multiple lines contribute specifications.
* Parse as many lines as necessary, then pull additional information
* from a backing file on disk as necessary.
*/
static int
parse_file(struct archive_read *a, struct archive_entry *entry,
struct mtree *mtree, struct mtree_entry *mentry, int *use_next)
{
const char *path;
struct stat st_storage, *st;
struct mtree_entry *mp;
struct archive_entry *sparse_entry;
int r = ARCHIVE_OK, r1, parsed_kws;
mentry->used = 1;
/* Initialize reasonable defaults. */
archive_entry_set_filetype(entry, AE_IFREG);
archive_entry_set_size(entry, 0);
archive_string_empty(&mtree->contents_name);
/* Parse options from this line. */
parsed_kws = 0;
r = parse_line(a, entry, mtree, mentry, &parsed_kws);
if (mentry->full) {
archive_entry_copy_pathname(entry, mentry->name);
/*
* "Full" entries are allowed to have multiple lines
* and those lines aren't required to be adjacent. We
* don't support multiple lines for "relative" entries
* nor do we make any attempt to merge data from
* separate "relative" and "full" entries. (Merging
* "relative" and "full" entries would require dealing
* with pathname canonicalization, which is a very
* tricky subject.)
*/
for (mp = mentry->next; mp != NULL; mp = mp->next) {
if (mp->full && !mp->used
&& strcmp(mentry->name, mp->name) == 0) {
/* Later lines override earlier ones. */
mp->used = 1;
r1 = parse_line(a, entry, mtree, mp,
&parsed_kws);
if (r1 < r)
r = r1;
}
}
} else {
/*
* Relative entries require us to construct
* the full path and possibly update the
* current directory.
*/
size_t n = archive_strlen(&mtree->current_dir);
if (n > 0)
archive_strcat(&mtree->current_dir, "/");
archive_strcat(&mtree->current_dir, mentry->name);
archive_entry_copy_pathname(entry, mtree->current_dir.s);
if (archive_entry_filetype(entry) != AE_IFDIR)
mtree->current_dir.length = n;
}
/*
* Try to open and stat the file to get the real size
* and other file info. It would be nice to avoid
* this here so that getting a listing of an mtree
* wouldn't require opening every referenced contents
* file. But then we wouldn't know the actual
* contents size, so I don't see a really viable way
* around this. (Also, we may want to someday pull
* other unspecified info from the contents file on
* disk.)
*/
mtree->fd = -1;
if (archive_strlen(&mtree->contents_name) > 0)
path = mtree->contents_name.s;
else
path = archive_entry_pathname(entry);
if (archive_entry_filetype(entry) == AE_IFREG ||
archive_entry_filetype(entry) == AE_IFDIR) {
mtree->fd = open(path, O_RDONLY | O_BINARY | O_CLOEXEC);
__archive_ensure_cloexec_flag(mtree->fd);
if (mtree->fd == -1 &&
(errno != ENOENT ||
archive_strlen(&mtree->contents_name) > 0)) {
archive_set_error(&a->archive, errno,
"Can't open %s", path);
r = ARCHIVE_WARN;
}
}
st = &st_storage;
if (mtree->fd >= 0) {
if (fstat(mtree->fd, st) == -1) {
archive_set_error(&a->archive, errno,
"Could not fstat %s", path);
r = ARCHIVE_WARN;
/* If we can't stat it, don't keep it open. */
close(mtree->fd);
mtree->fd = -1;
st = NULL;
}
} else if (lstat(path, st) == -1) {
st = NULL;
}
/*
* Check for a mismatch between the type in the specification and
* the type of the contents object on disk.
*/
if (st != NULL) {
if (
((st->st_mode & S_IFMT) == S_IFREG &&
archive_entry_filetype(entry) == AE_IFREG)
#ifdef S_IFLNK
|| ((st->st_mode & S_IFMT) == S_IFLNK &&
archive_entry_filetype(entry) == AE_IFLNK)
#endif
#ifdef S_IFSOCK
|| ((st->st_mode & S_IFSOCK) == S_IFSOCK &&
archive_entry_filetype(entry) == AE_IFSOCK)
#endif
#ifdef S_IFCHR
|| ((st->st_mode & S_IFMT) == S_IFCHR &&
archive_entry_filetype(entry) == AE_IFCHR)
#endif
#ifdef S_IFBLK
|| ((st->st_mode & S_IFMT) == S_IFBLK &&
archive_entry_filetype(entry) == AE_IFBLK)
#endif
|| ((st->st_mode & S_IFMT) == S_IFDIR &&
archive_entry_filetype(entry) == AE_IFDIR)
#ifdef S_IFIFO
|| ((st->st_mode & S_IFMT) == S_IFIFO &&
archive_entry_filetype(entry) == AE_IFIFO)
#endif
) {
/* Types match. */
} else {
/* Types don't match; bail out gracefully. */
if (mtree->fd >= 0)
close(mtree->fd);
mtree->fd = -1;
if (parsed_kws & MTREE_HAS_OPTIONAL) {
/* It's not an error for an optional entry
to not match disk. */
*use_next = 1;
} else if (r == ARCHIVE_OK) {
archive_set_error(&a->archive,
ARCHIVE_ERRNO_MISC,
"mtree specification has different type for %s",
archive_entry_pathname(entry));
r = ARCHIVE_WARN;
}
return r;
}
}
/*
* If there is a contents file on disk, pick some of the metadata
* from that file. For most of these, we only set it from the contents
* if it wasn't already parsed from the specification.
*/
if (st != NULL) {
if (((parsed_kws & MTREE_HAS_DEVICE) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0) &&
(archive_entry_filetype(entry) == AE_IFCHR ||
archive_entry_filetype(entry) == AE_IFBLK))
archive_entry_set_rdev(entry, st->st_rdev);
if ((parsed_kws & (MTREE_HAS_GID | MTREE_HAS_GNAME)) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0)
archive_entry_set_gid(entry, st->st_gid);
if ((parsed_kws & (MTREE_HAS_UID | MTREE_HAS_UNAME)) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0)
archive_entry_set_uid(entry, st->st_uid);
if ((parsed_kws & MTREE_HAS_MTIME) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0) {
#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
archive_entry_set_mtime(entry, st->st_mtime,
st->st_mtimespec.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
archive_entry_set_mtime(entry, st->st_mtime,
st->st_mtim.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIME_N
archive_entry_set_mtime(entry, st->st_mtime,
st->st_mtime_n);
#elif HAVE_STRUCT_STAT_ST_UMTIME
archive_entry_set_mtime(entry, st->st_mtime,
st->st_umtime*1000);
#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
archive_entry_set_mtime(entry, st->st_mtime,
st->st_mtime_usec*1000);
#else
archive_entry_set_mtime(entry, st->st_mtime, 0);
#endif
}
if ((parsed_kws & MTREE_HAS_NLINK) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0)
archive_entry_set_nlink(entry, st->st_nlink);
if ((parsed_kws & MTREE_HAS_PERM) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0)
archive_entry_set_perm(entry, st->st_mode);
if ((parsed_kws & MTREE_HAS_SIZE) == 0 ||
(parsed_kws & MTREE_HAS_NOCHANGE) != 0)
archive_entry_set_size(entry, st->st_size);
archive_entry_set_ino(entry, st->st_ino);
archive_entry_set_dev(entry, st->st_dev);
archive_entry_linkify(mtree->resolver, &entry, &sparse_entry);
} else if (parsed_kws & MTREE_HAS_OPTIONAL) {
/*
* Couldn't open the entry, stat it or the on-disk type
* didn't match. If this entry is optional, just ignore it
* and read the next header entry.
*/
*use_next = 1;
return ARCHIVE_OK;
}
mtree->cur_size = archive_entry_size(entry);
mtree->offset = 0;
return r;
}
int
packing_append_file_attr(struct packing *pack, const char *filepath,
const char *newpath, const char *uname, const char *gname, mode_t perm,
u_long fflags)
{
int fd;
char *map;
int retcode = EPKG_OK;
int ret;
time_t source_time;
struct stat st;
struct archive_entry *entry, *sparse_entry;
bool unset_timestamp;
const char *source_date_epoch;
entry = archive_entry_new();
archive_entry_copy_sourcepath(entry, filepath);
pkg_debug(2, "Packing file '%s'", filepath);
if (lstat(filepath, &st) != 0) {
pkg_emit_errno("lstat", filepath);
retcode = EPKG_FATAL;
goto cleanup;
}
ret = archive_read_disk_entry_from_file(pack->aread, entry, -1,
&st);
if (ret != ARCHIVE_OK) {
pkg_emit_error("%s: %s", filepath,
archive_error_string(pack->aread));
retcode = EPKG_FATAL;
goto cleanup;
}
if (newpath != NULL)
archive_entry_set_pathname(entry, newpath);
if (archive_entry_filetype(entry) != AE_IFREG) {
archive_entry_set_size(entry, 0);
}
if (uname != NULL && uname[0] != '\0') {
if (pack->pass) {
struct passwd* pw = getpwnam(uname);
if (pw == NULL) {
pkg_emit_error("Unknown user: '******'", uname);
retcode = EPKG_FATAL;
goto cleanup;
}
archive_entry_set_uid(entry, pw->pw_uid);
}
archive_entry_set_uname(entry, uname);
}
if (gname != NULL && gname[0] != '\0') {
if (pack->pass) {
struct group *gr = (getgrnam(gname));
if (gr == NULL) {
pkg_emit_error("Unknown group: '%s'", gname);
retcode = EPKG_FATAL;
goto cleanup;
}
archive_entry_set_gid(entry, gr->gr_gid);
}
archive_entry_set_gname(entry, gname);
}
if (fflags > 0)
archive_entry_set_fflags(entry, fflags, 0);
if (perm != 0)
archive_entry_set_perm(entry, perm);
unset_timestamp = pkg_object_bool(pkg_config_get("UNSET_TIMESTAMP"));
if (unset_timestamp) {
archive_entry_unset_atime(entry);
archive_entry_unset_ctime(entry);
archive_entry_unset_mtime(entry);
archive_entry_unset_birthtime(entry);
}
if ((source_date_epoch = getenv("SOURCE_DATE_EPOCH")) != NULL) {
if (source_date_epoch[strspn(source_date_epoch, "0123456789")] != '\0') {
pkg_emit_error("Bad environment variable "
"SOURCE_DATE_EPOCH: %s", source_date_epoch);
retcode = EPKG_FATAL;
goto cleanup;
}
source_time = strtoll(source_date_epoch, NULL, 10);
archive_entry_set_atime(entry, source_time, 0);
archive_entry_set_ctime(entry, source_time, 0);
archive_entry_set_mtime(entry, source_time, 0);
archive_entry_set_birthtime(entry, source_time, 0);
}
archive_entry_linkify(pack->resolver, &entry, &sparse_entry);
if (sparse_entry != NULL && entry == NULL)
entry = sparse_entry;
archive_write_header(pack->awrite, entry);
if (archive_entry_size(entry) > 0) {
if ((fd = open(filepath, O_RDONLY)) < 0) {
pkg_emit_errno("open", filepath);
retcode = EPKG_FATAL;
goto cleanup;
}
if (st.st_size > SSIZE_MAX) {
char buf[BUFSIZ];
int len;
while ((len = read(fd, buf, sizeof(buf))) > 0)
if (archive_write_data(pack->awrite, buf, len) == -1) {
pkg_emit_errno("archive_write_data", "archive write error");
retcode = EPKG_FATAL;
break;
}
if (len == -1) {
pkg_emit_errno("read", "file read error");
retcode = EPKG_FATAL;
}
close(fd);
}
else {
if ((map = mmap(NULL, st.st_size, PROT_READ,
MAP_SHARED, fd, 0)) != MAP_FAILED) {
close(fd);
if (archive_write_data(pack->awrite, map, st.st_size) == -1) {
pkg_emit_errno("archive_write_data", "archive write error");
retcode = EPKG_FATAL;
}
munmap(map, st.st_size);
}
else {
close(fd);
pkg_emit_errno("open", filepath);
retcode = EPKG_FATAL;
goto cleanup;
}
}
}
cleanup:
archive_entry_free(entry);
return (retcode);
}
static int
repo_archive_extract_file(int fd, const char *file, const char *dest, const char *repokey, int dest_fd)
{
struct archive *a = NULL;
struct archive_entry *ae = NULL;
unsigned char *sig = NULL;
int siglen = 0, ret, rc = EPKG_OK;
a = archive_read_new();
archive_read_support_filter_all(a);
archive_read_support_format_tar(a);
/* Seek to the begin of file */
(void)lseek(fd, 0, SEEK_SET);
archive_read_open_fd(a, fd, 4096);
while (archive_read_next_header(a, &ae) == ARCHIVE_OK) {
if (strcmp(archive_entry_pathname(ae), file) == 0) {
if (dest_fd == -1) {
archive_entry_set_pathname(ae, dest);
/*
* The repo should be owned by root and not writable
*/
archive_entry_set_uid(ae, 0);
archive_entry_set_gid(ae, 0);
archive_entry_set_perm(ae, 0644);
if (archive_read_extract(a, ae, EXTRACT_ARCHIVE_FLAGS) != 0) {
pkg_emit_errno("archive_read_extract", "extract error");
rc = EPKG_FATAL;
goto cleanup;
}
} else {
if (archive_read_data_into_fd(a, dest_fd) != 0) {
pkg_emit_errno("archive_read_extract", "extract error");
rc = EPKG_FATAL;
goto cleanup;
}
(void)lseek(dest_fd, 0, SEEK_SET);
}
}
if (strcmp(archive_entry_pathname(ae), "signature") == 0) {
siglen = archive_entry_size(ae);
sig = malloc(siglen);
archive_read_data(a, sig, siglen);
}
}
if (repokey != NULL) {
if (sig != NULL) {
ret = rsa_verify(dest, repokey,
sig, siglen - 1, dest_fd);
if (ret != EPKG_OK) {
pkg_emit_error("Invalid signature, "
"removing repository.");
if (dest != NULL)
unlink(dest);
free(sig);
rc = EPKG_FATAL;
goto cleanup;
}
free(sig);
} else {
pkg_emit_error("No signature found in the repository. "
"Can not validate against %s key.", repokey);
rc = EPKG_FATAL;
if (dest != NULL)
unlink(dest);
goto cleanup;
}
}
cleanup:
if (a != NULL)
archive_read_free(a);
return rc;
}
/*
* Handle 'x' and 't' modes.
*/
static void
read_archive(struct bsdtar *bsdtar, char mode)
{
struct progress_data progress_data;
FILE *out;
struct archive *a;
struct archive_entry *entry;
const struct stat *st;
int r;
while (*bsdtar->argv) {
lafe_include(&bsdtar->matching, *bsdtar->argv);
bsdtar->argv++;
}
if (bsdtar->names_from_file != NULL)
lafe_include_from_file(&bsdtar->matching,
bsdtar->names_from_file, bsdtar->option_null);
a = archive_read_new();
if (bsdtar->compress_program != NULL)
archive_read_support_compression_program(a, bsdtar->compress_program);
else
archive_read_support_compression_all(a);
archive_read_support_format_all(a);
if (ARCHIVE_OK != archive_read_set_options(a, bsdtar->option_options))
lafe_errc(1, 0, "%s", archive_error_string(a));
if (archive_read_open_file(a, bsdtar->filename,
bsdtar->bytes_per_block != 0 ? bsdtar->bytes_per_block :
DEFAULT_BYTES_PER_BLOCK))
lafe_errc(1, 0, "Error opening archive: %s",
archive_error_string(a));
do_chdir(bsdtar);
if (mode == 'x') {
/* Set an extract callback so that we can handle SIGINFO. */
progress_data.bsdtar = bsdtar;
progress_data.archive = a;
archive_read_extract_set_progress_callback(a, progress_func,
&progress_data);
}
if (mode == 'x' && bsdtar->option_chroot) {
#if HAVE_CHROOT
if (chroot(".") != 0)
lafe_errc(1, errno, "Can't chroot to \".\"");
#else
lafe_errc(1, 0,
"chroot isn't supported on this platform");
#endif
}
for (;;) {
/* Support --fast-read option */
if (bsdtar->option_fast_read &&
lafe_unmatched_inclusions(bsdtar->matching) == 0)
break;
r = archive_read_next_header(a, &entry);
progress_data.entry = entry;
if (r == ARCHIVE_EOF)
break;
if (r < ARCHIVE_OK)
lafe_warnc(0, "%s", archive_error_string(a));
if (r <= ARCHIVE_WARN)
bsdtar->return_value = 1;
if (r == ARCHIVE_RETRY) {
/* Retryable error: try again */
lafe_warnc(0, "Retrying...");
continue;
}
if (r == ARCHIVE_FATAL)
break;
if (bsdtar->uid >= 0) {
archive_entry_set_uid(entry, bsdtar->uid);
archive_entry_set_uname(entry, NULL);
}
if (bsdtar->gid >= 0) {
archive_entry_set_gid(entry, bsdtar->gid);
archive_entry_set_gname(entry, NULL);
}
if (bsdtar->uname)
archive_entry_set_uname(entry, bsdtar->uname);
if (bsdtar->gname)
archive_entry_set_gname(entry, bsdtar->gname);
/*
* Exclude entries that are too old.
*/
st = archive_entry_stat(entry);
if (bsdtar->newer_ctime_sec > 0) {
if (st->st_ctime < bsdtar->newer_ctime_sec)
continue; /* Too old, skip it. */
if (st->st_ctime == bsdtar->newer_ctime_sec
&& ARCHIVE_STAT_CTIME_NANOS(st)
<= bsdtar->newer_ctime_nsec)
continue; /* Too old, skip it. */
}
if (bsdtar->newer_mtime_sec > 0) {
if (st->st_mtime < bsdtar->newer_mtime_sec)
continue; /* Too old, skip it. */
if (st->st_mtime == bsdtar->newer_mtime_sec
&& ARCHIVE_STAT_MTIME_NANOS(st)
<= bsdtar->newer_mtime_nsec)
continue; /* Too old, skip it. */
}
/*
* Note that pattern exclusions are checked before
* pathname rewrites are handled. This gives more
* control over exclusions, since rewrites always lose
* information. (For example, consider a rewrite
* s/foo[0-9]/foo/. If we check exclusions after the
* rewrite, there would be no way to exclude foo1/bar
* while allowing foo2/bar.)
*/
if (lafe_excluded(bsdtar->matching, archive_entry_pathname(entry)))
continue; /* Excluded by a pattern test. */
if (mode == 't') {
/* Perversely, gtar uses -O to mean "send to stderr"
* when used with -t. */
out = bsdtar->option_stdout ? stderr : stdout;
/*
* TODO: Provide some reasonable way to
* preview rewrites. gtar always displays
* the unedited path in -t output, which means
* you cannot easily preview rewrites.
*/
if (bsdtar->verbose < 2)
safe_fprintf(out, "%s",
archive_entry_pathname(entry));
else
list_item_verbose(bsdtar, out, entry);
fflush(out);
r = archive_read_data_skip(a);
if (r == ARCHIVE_WARN) {
fprintf(out, "\n");
lafe_warnc(0, "%s",
archive_error_string(a));
}
if (r == ARCHIVE_RETRY) {
fprintf(out, "\n");
lafe_warnc(0, "%s",
archive_error_string(a));
}
if (r == ARCHIVE_FATAL) {
fprintf(out, "\n");
lafe_warnc(0, "%s",
archive_error_string(a));
bsdtar->return_value = 1;
break;
}
fprintf(out, "\n");
} else {
/* Note: some rewrite failures prevent extraction. */
if (edit_pathname(bsdtar, entry))
continue; /* Excluded by a rewrite failure. */
if (bsdtar->option_interactive &&
!yes("extract '%s'", archive_entry_pathname(entry)))
continue;
/*
* Format here is from SUSv2, including the
* deferred '\n'.
*/
if (bsdtar->verbose) {
safe_fprintf(stderr, "x %s",
archive_entry_pathname(entry));
fflush(stderr);
}
// TODO siginfo_printinfo(bsdtar, 0);
if (bsdtar->option_stdout)
r = archive_read_data_into_fd(a, 1);
else
r = archive_read_extract(a, entry,
bsdtar->extract_flags);
if (r != ARCHIVE_OK) {
if (!bsdtar->verbose)
safe_fprintf(stderr, "%s",
archive_entry_pathname(entry));
safe_fprintf(stderr, ": %s",
archive_error_string(a));
if (!bsdtar->verbose)
fprintf(stderr, "\n");
bsdtar->return_value = 1;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
if (r == ARCHIVE_FATAL)
break;
}
}
r = archive_read_close(a);
if (r != ARCHIVE_OK)
lafe_warnc(0, "%s", archive_error_string(a));
if (r <= ARCHIVE_WARN)
bsdtar->return_value = 1;
if (bsdtar->verbose > 2)
fprintf(stdout, "Archive Format: %s, Compression: %s\n",
archive_format_name(a), archive_compression_name(a));
archive_read_finish(a);
}
void Entry::set_gid(unsigned long gid)
{
archive_entry_set_gid(_entry, gid);
}
/*
* Add the file or dir hierarchy named by 'path' to the archive
*/
static void
write_hierarchy(struct bsdtar *bsdtar, struct archive *a, const char *path)
{
struct archive_entry *entry = NULL, *spare_entry = NULL;
struct tree *tree;
char symlink_mode = bsdtar->symlink_mode;
dev_t first_dev = 0;
int dev_recorded = 0;
int tree_ret;
tree = tree_open(path);
if (!tree) {
lafe_warnc(errno, "%s: Cannot open", path);
bsdtar->return_value = 1;
return;
}
while ((tree_ret = tree_next(tree)) != 0) {
int r;
const char *name = tree_current_path(tree);
const struct stat *st = NULL; /* info to use for this entry */
const struct stat *lst = NULL; /* lstat() information */
int descend;
if (tree_ret == TREE_ERROR_FATAL)
lafe_errc(1, tree_errno(tree),
"%s: Unable to continue traversing directory tree",
name);
if (tree_ret == TREE_ERROR_DIR) {
lafe_warnc(errno,
"%s: Couldn't visit directory", name);
bsdtar->return_value = 1;
}
if (tree_ret != TREE_REGULAR)
continue;
/*
* If this file/dir is excluded by a filename
* pattern, skip it.
*/
if (lafe_excluded(bsdtar->matching, name))
continue;
/*
* Get lstat() info from the tree library.
*/
lst = tree_current_lstat(tree);
if (lst == NULL) {
/* Couldn't lstat(); must not exist. */
lafe_warnc(errno, "%s: Cannot stat", name);
/* Return error if files disappear during traverse. */
bsdtar->return_value = 1;
continue;
}
/*
* Distinguish 'L'/'P'/'H' symlink following.
*/
switch(symlink_mode) {
case 'H':
/* 'H': After the first item, rest like 'P'. */
symlink_mode = 'P';
/* 'H': First item (from command line) like 'L'. */
/* FALLTHROUGH */
case 'L':
/* 'L': Do descend through a symlink to dir. */
descend = tree_current_is_dir(tree);
/* 'L': Follow symlinks to files. */
archive_read_disk_set_symlink_logical(bsdtar->diskreader);
/* 'L': Archive symlinks as targets, if we can. */
st = tree_current_stat(tree);
if (st != NULL)
break;
/* If stat fails, we have a broken symlink;
* in that case, don't follow the link. */
/* FALLTHROUGH */
default:
/* 'P': Don't descend through a symlink to dir. */
descend = tree_current_is_physical_dir(tree);
/* 'P': Don't follow symlinks to files. */
archive_read_disk_set_symlink_physical(bsdtar->diskreader);
/* 'P': Archive symlinks as symlinks. */
st = lst;
break;
}
if (bsdtar->option_no_subdirs)
descend = 0;
/*
* Are we about to cross to a new filesystem?
*/
if (!dev_recorded) {
/* This is the initial file system. */
first_dev = lst->st_dev;
dev_recorded = 1;
} else if (lst->st_dev == first_dev) {
/* The starting file system is always acceptable. */
} else if (descend == 0) {
/* We're not descending, so no need to check. */
} else if (bsdtar->option_dont_traverse_mounts) {
descend = 0;
} else {
/* We're prepared to cross a mount point. */
/* XXX TODO: check whether this filesystem is
* synthetic and/or local. Add a new
* --local-only option to skip non-local
* filesystems. Skip synthetic filesystems
* regardless.
*
* The results should be cached, since
* tree.c doesn't usually visit a directory
* and the directory contents together. A simple
* move-to-front list should perform quite well.
*
* This is going to be heavily OS dependent:
* FreeBSD's statfs() in conjunction with getvfsbyname()
* provides all of this; NetBSD's statvfs() does
* most of it; other systems will vary.
*/
}
/*
* In -u mode, check that the file is newer than what's
* already in the archive; in all modes, obey --newerXXX flags.
*/
if (!new_enough(bsdtar, name, st)) {
if (!descend)
continue;
if (bsdtar->option_interactive &&
!yes("add '%s'", name))
continue;
tree_descend(tree);
continue;
}
archive_entry_free(entry);
entry = archive_entry_new();
archive_entry_set_pathname(entry, name);
archive_entry_copy_sourcepath(entry,
tree_current_access_path(tree));
/* Populate the archive_entry with metadata from the disk. */
/* XXX TODO: Arrange to open a regular file before
* calling this so we can pass in an fd and shorten
* the race to query metadata. The linkify dance
* makes this more complex than it might sound. */
#if defined(_WIN32) && !defined(__CYGWIN__)
/* TODO: tree.c uses stat(), which is badly broken
* on Windows. To fix this, we should
* deprecate tree_current_stat() and provide a new
* call tree_populate_entry(t, entry). This call
* would use stat() internally on POSIX and
* GetInfoByFileHandle() internally on Windows.
* This would be another step towards a tree-walker
* that can be integrated deep into libarchive.
* For now, just set st to NULL on Windows;
* archive_read_disk_entry_from_file() should
* be smart enough to use platform-appropriate
* ways to probe file information.
*/
st = NULL;
#endif
r = archive_read_disk_entry_from_file(bsdtar->diskreader,
entry, -1, st);
if (bsdtar->uid >= 0) {
archive_entry_set_uid(entry, bsdtar->uid);
if (!bsdtar->uname)
archive_entry_set_uname(entry,
archive_read_disk_uname(bsdtar->diskreader,
bsdtar->uid));
}
if (bsdtar->gid >= 0) {
archive_entry_set_gid(entry, bsdtar->gid);
if (!bsdtar->gname)
archive_entry_set_gname(entry,
archive_read_disk_gname(bsdtar->diskreader,
bsdtar->gid));
}
if (bsdtar->uname)
archive_entry_set_uname(entry, bsdtar->uname);
if (bsdtar->gname)
archive_entry_set_gname(entry, bsdtar->gname);
if (r != ARCHIVE_OK)
lafe_warnc(archive_errno(bsdtar->diskreader),
"%s", archive_error_string(bsdtar->diskreader));
if (r < ARCHIVE_WARN)
continue;
/* XXX TODO: Just use flag data from entry; avoid the
* duplicate check here. */
/*
* If this file/dir is flagged "nodump" and we're
* honoring such flags, skip this file/dir.
*/
#if defined(HAVE_STRUCT_STAT_ST_FLAGS) && defined(UF_NODUMP)
/* BSD systems store flags in struct stat */
if (bsdtar->option_honor_nodump &&
(lst->st_flags & UF_NODUMP))
continue;
#endif
#if defined(EXT2_IOC_GETFLAGS) && defined(EXT2_NODUMP_FL)
/* Linux uses ioctl to read flags. */
if (bsdtar->option_honor_nodump) {
int fd = open(name, O_RDONLY | O_NONBLOCK | O_BINARY);
if (fd >= 0) {
unsigned long fflags;
int r = ioctl(fd, EXT2_IOC_GETFLAGS, &fflags);
close(fd);
if (r >= 0 && (fflags & EXT2_NODUMP_FL))
continue;
}
}
#endif
#ifdef __APPLE__
if (bsdtar->enable_copyfile) {
/* If we're using copyfile(), ignore "._XXX" files. */
const char *bname = strrchr(name, '/');
if (bname == NULL)
bname = name;
else
++bname;
if (bname[0] == '.' && bname[1] == '_')
continue;
} else {
/* If not, drop the copyfile() data. */
archive_entry_copy_mac_metadata(entry, NULL, 0);
}
#endif
/*
* If the user vetoes this file/directory, skip it.
* We want this to be fairly late; if some other
* check would veto this file, we shouldn't bother
* the user with it.
*/
if (bsdtar->option_interactive &&
!yes("add '%s'", name))
continue;
if (descend)
tree_descend(tree);
/*
* Rewrite the pathname to be archived. If rewrite
* fails, skip the entry.
*/
if (edit_pathname(bsdtar, entry))
continue;
/* Display entry as we process it.
* This format is required by SUSv2. */
if (bsdtar->verbose)
safe_fprintf(stderr, "a %s",
archive_entry_pathname(entry));
/* Non-regular files get archived with zero size. */
if (archive_entry_filetype(entry) != AE_IFREG)
archive_entry_set_size(entry, 0);
archive_entry_linkify(bsdtar->resolver, &entry, &spare_entry);
while (entry != NULL) {
write_file(bsdtar, a, entry);
archive_entry_free(entry);
entry = spare_entry;
spare_entry = NULL;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
}
archive_entry_free(entry);
tree_close(tree);
}
int
zip_read_file_header(struct archive_read *a, struct archive_entry *entry,
struct zip *zip)
{
const struct zip_file_header *p;
const void *h;
if ((p = __archive_read_ahead(a, sizeof *p)) == NULL) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Truncated ZIP file header");
return (ARCHIVE_FATAL);
}
zip->version = p->version[0];
zip->system = p->version[1];
zip->flags = archive_le16dec(p->flags);
zip->compression = archive_le16dec(p->compression);
if (zip->compression <
sizeof(compression_names)/sizeof(compression_names[0]))
zip->compression_name = compression_names[zip->compression];
else
zip->compression_name = "??";
zip->mtime = zip_time(p->timedate);
zip->ctime = 0;
zip->atime = 0;
zip->mode = 0;
zip->uid = 0;
zip->gid = 0;
zip->crc32 = archive_le32dec(p->crc32);
zip->filename_length = archive_le16dec(p->filename_length);
zip->extra_length = archive_le16dec(p->extra_length);
zip->uncompressed_size = archive_le32dec(p->uncompressed_size);
zip->compressed_size = archive_le32dec(p->compressed_size);
(a->decompressor->consume)(a, sizeof(struct zip_file_header));
/* Read the filename. */
if ((h = __archive_read_ahead(a, zip->filename_length)) == NULL) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Truncated ZIP file header");
return (ARCHIVE_FATAL);
}
if (archive_string_ensure(&zip->pathname, zip->filename_length) == NULL)
__archive_errx(1, "Out of memory");
archive_strncpy(&zip->pathname, h, zip->filename_length);
(a->decompressor->consume)(a, zip->filename_length);
archive_entry_set_pathname(entry, zip->pathname.s);
if (zip->pathname.s[archive_strlen(&zip->pathname) - 1] == '/')
zip->mode = AE_IFDIR | 0777;
else
zip->mode = AE_IFREG | 0777;
/* Read the extra data. */
if ((h = __archive_read_ahead(a, zip->extra_length)) == NULL) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Truncated ZIP file header");
return (ARCHIVE_FATAL);
}
process_extra(h, zip);
(a->decompressor->consume)(a, zip->extra_length);
/* Populate some additional entry fields: */
archive_entry_set_mode(entry, zip->mode);
archive_entry_set_uid(entry, zip->uid);
archive_entry_set_gid(entry, zip->gid);
archive_entry_set_mtime(entry, zip->mtime, 0);
archive_entry_set_ctime(entry, zip->ctime, 0);
archive_entry_set_atime(entry, zip->atime, 0);
archive_entry_set_size(entry, zip->uncompressed_size);
zip->entry_bytes_remaining = zip->compressed_size;
zip->entry_offset = 0;
/* If there's no body, force read_data() to return EOF immediately. */
if (0 == (zip->flags & ZIP_LENGTH_AT_END)
&& zip->entry_bytes_remaining < 1)
zip->end_of_entry = 1;
/* Set up a more descriptive format name. */
sprintf(zip->format_name, "ZIP %d.%d (%s)",
zip->version / 10, zip->version % 10,
zip->compression_name);
a->archive.archive_format_name = zip->format_name;
return (ARCHIVE_OK);
}
static int
header_newc(struct archive_read *a, struct cpio *cpio,
struct archive_entry *entry, size_t *namelength, size_t *name_pad)
{
const void *h;
const char *header;
int r;
r = find_newc_header(a);
if (r < ARCHIVE_WARN)
return (r);
/* Read fixed-size portion of header. */
h = __archive_read_ahead(a, newc_header_size, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
/* Parse out hex fields. */
header = (const char *)h;
if (memcmp(header + newc_magic_offset, "070701", 6) == 0) {
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_NOCRC;
a->archive.archive_format_name = "ASCII cpio (SVR4 with no CRC)";
} else if (memcmp(header + newc_magic_offset, "070702", 6) == 0) {
a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_CRC;
a->archive.archive_format_name = "ASCII cpio (SVR4 with CRC)";
} else {
/* TODO: Abort here? */
}
archive_entry_set_devmajor(entry,
(dev_t)atol16(header + newc_devmajor_offset, newc_devmajor_size));
archive_entry_set_devminor(entry,
(dev_t)atol16(header + newc_devminor_offset, newc_devminor_size));
archive_entry_set_ino(entry, atol16(header + newc_ino_offset, newc_ino_size));
archive_entry_set_mode(entry,
(mode_t)atol16(header + newc_mode_offset, newc_mode_size));
archive_entry_set_uid(entry, atol16(header + newc_uid_offset, newc_uid_size));
archive_entry_set_gid(entry, atol16(header + newc_gid_offset, newc_gid_size));
archive_entry_set_nlink(entry,
(unsigned int)atol16(header + newc_nlink_offset, newc_nlink_size));
archive_entry_set_rdevmajor(entry,
(dev_t)atol16(header + newc_rdevmajor_offset, newc_rdevmajor_size));
archive_entry_set_rdevminor(entry,
(dev_t)atol16(header + newc_rdevminor_offset, newc_rdevminor_size));
archive_entry_set_mtime(entry, atol16(header + newc_mtime_offset, newc_mtime_size), 0);
*namelength = (size_t)atol16(header + newc_namesize_offset, newc_namesize_size);
/* Pad name to 2 more than a multiple of 4. */
*name_pad = (2 - *namelength) & 3;
/*
* Note: entry_bytes_remaining is at least 64 bits and
* therefore guaranteed to be big enough for a 33-bit file
* size.
*/
cpio->entry_bytes_remaining =
atol16(header + newc_filesize_offset, newc_filesize_size);
archive_entry_set_size(entry, cpio->entry_bytes_remaining);
/* Pad file contents to a multiple of 4. */
cpio->entry_padding = 3 & -cpio->entry_bytes_remaining;
__archive_read_consume(a, newc_header_size);
return (r);
}
static gboolean
dump_runtime (GFile *root, GCancellable *cancellable, GError **error)
{
int i;
g_autoptr(write_archive_t) archive = NULL;
g_autoptr(GFile) files = g_file_get_child (root, "files");
archive = archive_write_new ();
if (archive == NULL)
return xdg_app_fail (error, "Can't allocate archive");
if (archive_write_set_format_gnutar (archive) < ARCHIVE_OK)
return xdg_app_fail (error, "Can't set tar format");
if (archive_write_open_FILE (archive, stdout) < ARCHIVE_OK)
return xdg_app_fail (error, "can't open stdout");
for (i = 0; i < G_N_ELEMENTS(extra_dirs); i++)
{
g_autoptr(archive_entry_t) entry = archive_entry_new2 (archive);
archive_entry_set_pathname (entry, extra_dirs[i]);
archive_entry_set_uid(entry, 0);
archive_entry_set_gid(entry, 0);
archive_entry_set_perm(entry, 0755);
archive_entry_set_mtime(entry, 0, 0);
archive_entry_set_filetype (entry, AE_IFDIR);
if (archive_write_header (archive, entry) < ARCHIVE_OK)
return xdg_app_fail (error, "Can't write tar header");
}
for (i = 0; i < G_N_ELEMENTS(extra_symlinks); i++)
{
g_autoptr(archive_entry_t) entry = NULL;
if (g_str_has_prefix (extra_symlinks[i].target, "usr/"))
{
g_autoptr(GFile) dest = g_file_resolve_relative_path (files, extra_symlinks[i].target + 4);
if (!g_file_query_exists (dest, cancellable))
continue;
}
entry = archive_entry_new2 (archive);
archive_entry_set_pathname (entry, extra_symlinks[i].path);
archive_entry_set_uid(entry, 0);
archive_entry_set_gid(entry, 0);
archive_entry_set_perm(entry, 0755);
archive_entry_set_mtime(entry, 0, 0);
archive_entry_set_filetype (entry, AE_IFLNK);
archive_entry_set_symlink (entry, extra_symlinks[i].target);
if (archive_write_header (archive, entry) < ARCHIVE_OK)
return xdg_app_fail (error, "Can't write tar header");
}
if (!dump_files (files, archive, cancellable, "usr", error))
return FALSE;
if (archive_write_close (archive) < ARCHIVE_OK)
return xdg_app_fail (error, "can't close archive");
return TRUE;
}
static gboolean
dump_files (GFile *dir,
struct archive *archive,
GCancellable *cancellable,
char *parent,
GError **error)
{
g_autoptr(GFileEnumerator) fe = NULL;
gboolean ret = TRUE;
GFileType type;
fe = g_file_enumerate_children (dir,
"standard::name,standard::type,standard::is-symlink,standard::symlink-target,unix::mode,time::*",
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS, cancellable, error);
if (fe == NULL)
return FALSE;
while (TRUE)
{
g_autoptr(GFileInfo) info = g_file_enumerator_next_file (fe, cancellable, error);
g_autofree char *path = NULL;
g_autoptr(GFile) child = NULL;
guint32 mode;
g_autoptr(archive_entry_t) entry = archive_entry_new2 (archive);
if (!info)
{
if (error && *error != NULL)
ret = FALSE;
break;
}
type = g_file_info_get_file_type (info);
mode = g_file_info_get_attribute_uint32 (info, "unix::mode");
path = g_build_filename (parent, g_file_info_get_name (info), NULL);
child = g_file_enumerator_get_child (fe, info);
archive_entry_set_pathname (entry, path);
archive_entry_set_uid(entry, 0);
archive_entry_set_gid(entry, 0);
archive_entry_set_perm(entry, mode & 0777);
archive_entry_set_mtime(entry, 0, 0);
switch (type)
{
case G_FILE_TYPE_SYMBOLIC_LINK:
archive_entry_set_filetype (entry, AE_IFLNK);
archive_entry_set_symlink (entry, g_file_info_get_symlink_target (info));
break;
case G_FILE_TYPE_REGULAR:
archive_entry_set_filetype (entry, AE_IFREG);
archive_entry_set_size(entry, g_file_info_get_size (info));
break;
case G_FILE_TYPE_DIRECTORY:
archive_entry_set_filetype (entry, AE_IFDIR);
break;
default:
g_error ("Unhandled type %d\n", type);
break;
}
if (archive_write_header (archive, entry) < ARCHIVE_OK)
return xdg_app_fail (error, "Can't write tar header");
if (type == G_FILE_TYPE_REGULAR)
{
if (!dump_data (child, archive, cancellable, error))
return FALSE;
}
if (archive_write_finish_entry (archive) < ARCHIVE_OK)
return xdg_app_fail (error, "Can't finish tar entry");
if (type == G_FILE_TYPE_DIRECTORY)
{
if (!dump_files (child, archive, cancellable, path, error))
return FALSE;
}
}
return ret;
}
int
pkg_update(const char *name, const char *packagesite, bool force)
{
char url[MAXPATHLEN];
struct archive *a = NULL;
struct archive_entry *ae = NULL;
char repofile[MAXPATHLEN];
char repofile_unchecked[MAXPATHLEN];
char tmp[MAXPATHLEN];
const char *dbdir = NULL;
const char *repokey;
unsigned char *sig = NULL;
int siglen = 0;
int fd, rc = EPKG_FATAL, ret;
struct stat st;
time_t t = 0;
sqlite3 *sqlite;
char *archreq = NULL;
const char *myarch;
int64_t res;
const char *tmpdir;
snprintf(url, MAXPATHLEN, "%s/repo.txz", packagesite);
tmpdir = getenv("TMPDIR");
if (tmpdir == NULL)
tmpdir = "/tmp";
strlcpy(tmp, tmpdir, sizeof(tmp));
strlcat(tmp, "/repo.txz.XXXXXX", sizeof(tmp));
fd = mkstemp(tmp);
if (fd == -1) {
pkg_emit_error("Could not create temporary file %s, "
"aborting update.\n", tmp);
return (EPKG_FATAL);
}
if (pkg_config_string(PKG_CONFIG_DBDIR, &dbdir) != EPKG_OK) {
pkg_emit_error("Cant get dbdir config entry");
return (EPKG_FATAL);
}
snprintf(repofile, sizeof(repofile), "%s/%s.sqlite", dbdir, name);
if (force)
t = 0; /* Always fetch */
else {
if (stat(repofile, &st) != -1) {
t = st.st_mtime;
/* add 1 minute to the timestamp because
* repo.sqlite is always newer than repo.txz,
* 1 minute should be enough.
*/
t += 60;
}
}
rc = pkg_fetch_file_to_fd(url, fd, t);
close(fd);
if (rc != EPKG_OK) {
goto cleanup;
}
if (eaccess(repofile, W_OK) == -1) {
pkg_emit_error("Insufficient privilege to update %s\n",
repofile);
rc = EPKG_ENOACCESS;
goto cleanup;
}
a = archive_read_new();
archive_read_support_compression_all(a);
archive_read_support_format_tar(a);
archive_read_open_filename(a, tmp, 4096);
while (archive_read_next_header(a, &ae) == ARCHIVE_OK) {
if (strcmp(archive_entry_pathname(ae), "repo.sqlite") == 0) {
snprintf(repofile_unchecked, sizeof(repofile_unchecked),
"%s.unchecked", repofile);
archive_entry_set_pathname(ae, repofile_unchecked);
/*
* The repo should be owned by root and not writable
*/
archive_entry_set_uid(ae, 0);
archive_entry_set_gid(ae, 0);
archive_entry_set_perm(ae, 0644);
archive_read_extract(a, ae, EXTRACT_ARCHIVE_FLAGS);
}
if (strcmp(archive_entry_pathname(ae), "signature") == 0) {
siglen = archive_entry_size(ae);
sig = malloc(siglen);
archive_read_data(a, sig, siglen);
}
}
if (pkg_config_string(PKG_CONFIG_REPOKEY, &repokey) != EPKG_OK) {
free(sig);
return (EPKG_FATAL);
}
if (repokey != NULL) {
if (sig != NULL) {
ret = rsa_verify(repofile_unchecked, repokey,
sig, siglen - 1);
if (ret != EPKG_OK) {
pkg_emit_error("Invalid signature, "
"removing repository.\n");
unlink(repofile_unchecked);
free(sig);
rc = EPKG_FATAL;
goto cleanup;
}
free(sig);
} else {
pkg_emit_error("No signature found in the repository. "
"Can not validate against %s key.", repokey);
rc = EPKG_FATAL;
unlink(repofile_unchecked);
goto cleanup;
}
}
/* check is the repository is for valid architecture */
sqlite3_initialize();
if (sqlite3_open(repofile_unchecked, &sqlite) != SQLITE_OK) {
unlink(repofile_unchecked);
pkg_emit_error("Corrupted repository");
rc = EPKG_FATAL;
goto cleanup;
}
pkg_config_string(PKG_CONFIG_ABI, &myarch);
archreq = sqlite3_mprintf("select count(arch) from packages "
"where arch not GLOB '%q'", myarch);
if (get_pragma(sqlite, archreq, &res) != EPKG_OK) {
sqlite3_free(archreq);
pkg_emit_error("Unable to query repository");
rc = EPKG_FATAL;
sqlite3_close(sqlite);
goto cleanup;
}
if (res > 0) {
pkg_emit_error("At least one of the packages provided by"
"the repository is not compatible with your abi: %s",
myarch);
rc = EPKG_FATAL;
sqlite3_close(sqlite);
goto cleanup;
}
sqlite3_close(sqlite);
sqlite3_shutdown();
if (rename(repofile_unchecked, repofile) != 0) {
pkg_emit_errno("rename", "");
rc = EPKG_FATAL;
goto cleanup;
}
if ((rc = remote_add_indexes(name)) != EPKG_OK)
goto cleanup;
rc = EPKG_OK;
cleanup:
if (a != NULL)
archive_read_finish(a);
(void)unlink(tmp);
return (rc);
}
/*
* Handle 'x' and 't' modes.
*/
static void
read_archive(struct bsdtar *bsdtar, char mode, struct archive *writer)
{
struct progress_data progress_data;
FILE *out;
struct archive *a;
struct archive_entry *entry;
const char *reader_options;
int r;
while (*bsdtar->argv) {
if (archive_match_include_pattern(bsdtar->matching,
*bsdtar->argv) != ARCHIVE_OK)
lafe_errc(1, 0, "Error inclusion pattern: %s",
archive_error_string(bsdtar->matching));
bsdtar->argv++;
}
if (bsdtar->names_from_file != NULL)
if (archive_match_include_pattern_from_file(
bsdtar->matching, bsdtar->names_from_file,
bsdtar->option_null) != ARCHIVE_OK)
lafe_errc(1, 0, "Error inclusion pattern: %s",
archive_error_string(bsdtar->matching));
a = archive_read_new();
if (cset_read_support_filter_program(bsdtar->cset, a) == 0)
archive_read_support_filter_all(a);
archive_read_support_format_all(a);
reader_options = getenv(ENV_READER_OPTIONS);
if (reader_options != NULL) {
char *p;
/* Set default read options. */
p = malloc(sizeof(IGNORE_WRONG_MODULE_NAME)
+ strlen(reader_options) + 1);
if (p == NULL)
lafe_errc(1, errno, "Out of memory");
/* Prepend magic code to ignore options for
* a format or modules which are not added to
* the archive read object. */
strncpy(p, IGNORE_WRONG_MODULE_NAME,
sizeof(IGNORE_WRONG_MODULE_NAME) -1);
strcpy(p + sizeof(IGNORE_WRONG_MODULE_NAME) -1, reader_options);
r = archive_read_set_options(a, p);
free(p);
if (r == ARCHIVE_FATAL)
lafe_errc(1, 0, "%s", archive_error_string(a));
else
archive_clear_error(a);
}
if (ARCHIVE_OK != archive_read_set_options(a, bsdtar->option_options))
lafe_errc(1, 0, "%s", archive_error_string(a));
if (archive_read_open_filename(a, bsdtar->filename,
bsdtar->bytes_per_block))
lafe_errc(1, 0, "Error opening archive: %s",
archive_error_string(a));
do_chdir(bsdtar);
if (mode == 'x') {
/* Set an extract callback so that we can handle SIGINFO. */
progress_data.bsdtar = bsdtar;
progress_data.archive = a;
archive_read_extract_set_progress_callback(a, progress_func,
&progress_data);
}
if (mode == 'x' && bsdtar->option_chroot) {
#if HAVE_CHROOT
if (chroot(".") != 0)
lafe_errc(1, errno, "Can't chroot to \".\"");
#else
lafe_errc(1, 0,
"chroot isn't supported on this platform");
#endif
}
for (;;) {
/* Support --fast-read option */
if (bsdtar->option_fast_read &&
archive_match_path_unmatched_inclusions(bsdtar->matching) == 0)
break;
r = archive_read_next_header(a, &entry);
progress_data.entry = entry;
if (r == ARCHIVE_EOF)
break;
if (r < ARCHIVE_OK)
lafe_warnc(0, "%s", archive_error_string(a));
if (r <= ARCHIVE_WARN)
bsdtar->return_value = 1;
if (r == ARCHIVE_RETRY) {
/* Retryable error: try again */
lafe_warnc(0, "Retrying...");
continue;
}
if (r == ARCHIVE_FATAL)
break;
if (bsdtar->uid >= 0) {
archive_entry_set_uid(entry, bsdtar->uid);
archive_entry_set_uname(entry, NULL);
}
if (bsdtar->gid >= 0) {
archive_entry_set_gid(entry, bsdtar->gid);
archive_entry_set_gname(entry, NULL);
}
if (bsdtar->uname)
archive_entry_set_uname(entry, bsdtar->uname);
if (bsdtar->gname)
archive_entry_set_gname(entry, bsdtar->gname);
/*
* Note that pattern exclusions are checked before
* pathname rewrites are handled. This gives more
* control over exclusions, since rewrites always lose
* information. (For example, consider a rewrite
* s/foo[0-9]/foo/. If we check exclusions after the
* rewrite, there would be no way to exclude foo1/bar
* while allowing foo2/bar.)
*/
if (archive_match_excluded(bsdtar->matching, entry))
continue; /* Excluded by a pattern test. */
if (mode == 't') {
/* Perversely, gtar uses -O to mean "send to stderr"
* when used with -t. */
out = bsdtar->option_stdout ? stderr : stdout;
/*
* TODO: Provide some reasonable way to
* preview rewrites. gtar always displays
* the unedited path in -t output, which means
* you cannot easily preview rewrites.
*/
if (bsdtar->verbose < 2)
safe_fprintf(out, "%s",
archive_entry_pathname(entry));
else
list_item_verbose(bsdtar, out, entry);
fflush(out);
r = archive_read_data_skip(a);
if (r == ARCHIVE_WARN) {
fprintf(out, "\n");
lafe_warnc(0, "%s",
archive_error_string(a));
}
if (r == ARCHIVE_RETRY) {
fprintf(out, "\n");
lafe_warnc(0, "%s",
archive_error_string(a));
}
if (r == ARCHIVE_FATAL) {
fprintf(out, "\n");
lafe_warnc(0, "%s",
archive_error_string(a));
bsdtar->return_value = 1;
break;
}
fprintf(out, "\n");
} else {
/* Note: some rewrite failures prevent extraction. */
if (edit_pathname(bsdtar, entry))
continue; /* Excluded by a rewrite failure. */
if (bsdtar->option_interactive &&
!yes("extract '%s'", archive_entry_pathname(entry)))
continue;
/*
* Format here is from SUSv2, including the
* deferred '\n'.
*/
if (bsdtar->verbose) {
safe_fprintf(stderr, "x %s",
archive_entry_pathname(entry));
fflush(stderr);
}
/* TODO siginfo_printinfo(bsdtar, 0); */
if (bsdtar->option_stdout)
r = archive_read_data_into_fd(a, 1);
else
r = archive_read_extract2(a, entry, writer);
if (r != ARCHIVE_OK) {
if (!bsdtar->verbose)
safe_fprintf(stderr, "%s",
archive_entry_pathname(entry));
safe_fprintf(stderr, ": %s",
archive_error_string(a));
if (!bsdtar->verbose)
fprintf(stderr, "\n");
bsdtar->return_value = 1;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
if (r == ARCHIVE_FATAL)
break;
}
}
r = archive_read_close(a);
if (r != ARCHIVE_OK)
lafe_warnc(0, "%s", archive_error_string(a));
if (r <= ARCHIVE_WARN)
bsdtar->return_value = 1;
if (bsdtar->verbose > 2)
fprintf(stdout, "Archive Format: %s, Compression: %s\n",
archive_format_name(a), archive_filter_name(a, 0));
archive_read_free(a);
}
static int
archive_read_format_iso9660_read_header(struct archive_read *a,
struct archive_entry *entry)
{
struct iso9660 *iso9660;
struct file_info *file;
ssize_t bytes_read;
int r;
iso9660 = (struct iso9660 *)(a->format->data);
if (!a->archive.archive_format) {
a->archive.archive_format = ARCHIVE_FORMAT_ISO9660;
a->archive.archive_format_name = "ISO9660";
}
/* Get the next entry that appears after the current offset. */
r = next_entry_seek(a, iso9660, &file);
if (r != ARCHIVE_OK)
return (r);
iso9660->entry_bytes_remaining = file->size;
iso9660->entry_sparse_offset = 0; /* Offset for sparse-file-aware clients. */
/* Set up the entry structure with information about this entry. */
archive_entry_set_mode(entry, file->mode);
archive_entry_set_uid(entry, file->uid);
archive_entry_set_gid(entry, file->gid);
archive_entry_set_nlink(entry, file->nlinks);
archive_entry_set_ino(entry, file->inode);
archive_entry_set_mtime(entry, file->mtime, 0);
archive_entry_set_ctime(entry, file->ctime, 0);
archive_entry_set_atime(entry, file->atime, 0);
archive_entry_set_size(entry, iso9660->entry_bytes_remaining);
archive_string_empty(&iso9660->pathname);
archive_entry_set_pathname(entry,
build_pathname(&iso9660->pathname, file));
if (file->symlink.s != NULL)
archive_entry_copy_symlink(entry, file->symlink.s);
/* If this entry points to the same data as the previous
* entry, convert this into a hardlink to that entry.
* But don't bother for zero-length files. */
if (file->offset == iso9660->previous_offset
&& file->size == iso9660->previous_size
&& file->size > 0) {
archive_entry_set_hardlink(entry,
iso9660->previous_pathname.s);
iso9660->entry_bytes_remaining = 0;
iso9660->entry_sparse_offset = 0;
release_file(iso9660, file);
return (ARCHIVE_OK);
}
/* If the offset is before our current position, we can't
* seek backwards to extract it, so issue a warning. */
if (file->offset < iso9660->current_position) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Ignoring out-of-order file");
iso9660->entry_bytes_remaining = 0;
iso9660->entry_sparse_offset = 0;
release_file(iso9660, file);
return (ARCHIVE_WARN);
}
iso9660->previous_size = file->size;
iso9660->previous_offset = file->offset;
archive_strcpy(&iso9660->previous_pathname, iso9660->pathname.s);
/* If this is a directory, read in all of the entries right now. */
if (archive_entry_filetype(entry) == AE_IFDIR) {
while (iso9660->entry_bytes_remaining > 0) {
const void *block;
const unsigned char *p;
ssize_t step = iso9660->logical_block_size;
if (step > iso9660->entry_bytes_remaining)
step = iso9660->entry_bytes_remaining;
bytes_read = (a->decompressor->read_ahead)(a, &block, step);
if (bytes_read < step) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Failed to read full block when scanning ISO9660 directory list");
release_file(iso9660, file);
return (ARCHIVE_FATAL);
}
if (bytes_read > step)
bytes_read = step;
(a->decompressor->consume)(a, bytes_read);
iso9660->current_position += bytes_read;
iso9660->entry_bytes_remaining -= bytes_read;
for (p = (const unsigned char *)block;
*p != 0 && p < (const unsigned char *)block + bytes_read;
p += *p) {
struct file_info *child;
/* Skip '.' entry. */
if (*(p + DR_name_len_offset) == 1
&& *(p + DR_name_offset) == '\0')
continue;
/* Skip '..' entry. */
if (*(p + DR_name_len_offset) == 1
&& *(p + DR_name_offset) == '\001')
continue;
child = parse_file_info(iso9660, file, p);
add_entry(iso9660, child);
if (iso9660->seenRockridge) {
a->archive.archive_format =
ARCHIVE_FORMAT_ISO9660_ROCKRIDGE;
a->archive.archive_format_name =
"ISO9660 with Rockridge extensions";
}
}
}
}
release_file(iso9660, file);
return (ARCHIVE_OK);
}
static void
test_write_format_mtree_sub(int use_set, int dironly)
{
struct archive_entry *ae;
struct archive* a;
size_t used;
int i;
/* Create a mtree format archive. */
assert((a = archive_write_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_mtree(a));
if (use_set)
assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_option(a, NULL, "use-set", "1"));
if (dironly)
assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_option(a, NULL, "dironly", "1"));
assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, sizeof(buff)-1, &used));
/* Write entries */
for (i = 0; entries[i].path != NULL; i++) {
assert((ae = archive_entry_new()) != NULL);
archive_entry_set_mtime(ae, entries[i].mtime, 0);
assert(entries[i].mtime == archive_entry_mtime(ae));
archive_entry_set_mode(ae, entries[i].mode);
assert(entries[i].mode == archive_entry_mode(ae));
archive_entry_set_uid(ae, entries[i].uid);
assert(entries[i].uid == archive_entry_uid(ae));
archive_entry_set_gid(ae, entries[i].gid);
assert(entries[i].gid == archive_entry_gid(ae));
archive_entry_copy_pathname(ae, entries[i].path);
if ((entries[i].mode & AE_IFMT) != S_IFDIR)
archive_entry_set_size(ae, 8);
assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
if ((entries[i].mode & AE_IFMT) != S_IFDIR)
assertEqualIntA(a, 8,
archive_write_data(a, "Hello012", 15));
archive_entry_free(ae);
}
assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
assertEqualInt(ARCHIVE_OK, archive_write_free(a));
if (use_set) {
const char *p;
buff[used] = '\0';
assert(NULL != (p = strstr(buff, "\n/set ")));
if (p != NULL) {
char *r;
const char *o;
p++;
r = strchr(p, '\n');
if (r != NULL)
*r = '\0';
if (dironly)
o = "/set type=dir uid=1001 gid=1001 mode=755";
else
o = "/set type=file uid=1001 gid=1001 mode=644";
assertEqualString(o, p);
if (r != NULL)
*r = '\n';
}
}
/*
* Read the data and check it.
*/
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));
/* Read entries */
for (i = 0; entries[i].path != NULL; i++) {
if (dironly && (entries[i].mode & AE_IFMT) != S_IFDIR)
continue;
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualInt(entries[i].mtime, archive_entry_mtime(ae));
assertEqualInt(entries[i].mode, archive_entry_mode(ae));
assertEqualInt(entries[i].uid, archive_entry_uid(ae));
assertEqualInt(entries[i].gid, archive_entry_gid(ae));
assertEqualString(entries[i].path, archive_entry_pathname(ae));
if ((entries[i].mode & AE_IFMT) != S_IFDIR)
assertEqualInt(8, archive_entry_size(ae));
}
assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
