static int
archive_read_format_cpio_read_header(struct archive_read *a,
struct archive_entry *entry)
{
struct cpio *cpio;
const void *h;
size_t namelength;
size_t name_pad;
int r;
cpio = (struct cpio *)(a->format->data);
r = (cpio->read_header(a, cpio, entry, &namelength, &name_pad));
if (r < ARCHIVE_WARN)
return (r);
/* Read name from buffer. */
h = __archive_read_ahead(a, namelength + name_pad, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
__archive_read_consume(a, namelength + name_pad);
archive_strncpy(&cpio->entry_name, (const char *)h, namelength);
archive_entry_set_pathname(entry, cpio->entry_name.s);
cpio->entry_offset = 0;
/* If this is a symlink, read the link contents. */
if (archive_entry_filetype(entry) == AE_IFLNK) {
h = __archive_read_ahead(a, cpio->entry_bytes_remaining, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
__archive_read_consume(a, cpio->entry_bytes_remaining);
archive_strncpy(&cpio->entry_linkname, (const char *)h,
cpio->entry_bytes_remaining);
archive_entry_set_symlink(entry, cpio->entry_linkname.s);
cpio->entry_bytes_remaining = 0;
}
/* XXX TODO: If the full mode is 0160200, then this is a Solaris
* ACL description for the following entry. Read this body
* and parse it as a Solaris-style ACL, then read the next
* header. XXX */
/* Compare name to "TRAILER!!!" to test for end-of-archive. */
if (namelength == 11 && strcmp((const char *)h, "TRAILER!!!") == 0) {
/* TODO: Store file location of start of block. */
archive_set_error(&a->archive, 0, NULL);
return (ARCHIVE_EOF);
}
/* Detect and record hardlinks to previously-extracted entries. */
record_hardlink(cpio, entry);
return (r);
}
static int
archive_read_format_cpio_read_header(struct archive_read *a,
struct archive_entry *entry)
{
struct cpio *cpio;
size_t bytes;
const void *h;
size_t namelength;
size_t name_pad;
int r;
cpio = (struct cpio *)(a->format->data);
r = (cpio->read_header(a, cpio, entry, &namelength, &name_pad));
if (r < ARCHIVE_WARN)
return (r);
/* Read name from buffer. */
bytes = (a->decompressor->read_ahead)(a, &h, namelength + name_pad);
if (bytes < namelength + name_pad)
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, namelength + name_pad);
archive_strncpy(&cpio->entry_name, (const char *)h, namelength);
archive_entry_set_pathname(entry, cpio->entry_name.s);
cpio->entry_offset = 0;
/* If this is a symlink, read the link contents. */
if (archive_entry_filetype(entry) == AE_IFLNK) {
bytes = (a->decompressor->read_ahead)(a, &h,
cpio->entry_bytes_remaining);
if ((off_t)bytes < cpio->entry_bytes_remaining)
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, cpio->entry_bytes_remaining);
archive_strncpy(&cpio->entry_linkname, (const char *)h,
cpio->entry_bytes_remaining);
archive_entry_set_symlink(entry, cpio->entry_linkname.s);
cpio->entry_bytes_remaining = 0;
}
/* Compare name to "TRAILER!!!" to test for end-of-archive. */
if (namelength == 11 && strcmp((const char *)h, "TRAILER!!!") == 0) {
/* TODO: Store file location of start of block. */
archive_set_error(&a->archive, 0, NULL);
return (ARCHIVE_EOF);
}
/* Detect and record hardlinks to previously-extracted entries. */
record_hardlink(cpio, entry);
return (r);
}
static void
expose_parent_dirs(struct zip *zip, const char *name, size_t name_length)
{
struct archive_string str;
struct zip_entry *dir;
char *s;
archive_string_init(&str);
archive_strncpy(&str, name, name_length);
for (;;) {
s = strrchr(str.s, '/');
if (s == NULL)
break;
*s = '\0';
/* Transfer the parent directory from zip->tree_rsrc RB
* tree to zip->tree RB tree to expose. */
dir = (struct zip_entry *)
__archive_rb_tree_find_node(&zip->tree_rsrc, str.s);
if (dir == NULL)
break;
__archive_rb_tree_remove_node(&zip->tree_rsrc, &dir->node);
archive_string_free(&dir->rsrcname);
__archive_rb_tree_insert_node(&zip->tree, &dir->node);
}
archive_string_free(&str);
}
static void
test_archive_strncpy(void)
{
struct archive_string s;
archive_string_init(&s);
assertExactString(0, 0, NULL, s);
/* perfect length */
assert(&s == archive_strncpy(&s, "fubar", 5));
assertExactString(5, EXTENT, "fubar", s);
/* short read */
assert(&s == archive_strncpy(&s, "snafubar", 5));
assertExactString(5, EXTENT, "snafu", s);
/* long read is ok too! */
assert(&s == archive_strncpy(&s, "snafu", 8));
assertExactString(5, EXTENT, "snafu", s);
}
static int
parent_dir_changed(struct archive_string *dir, struct archive_entry *entry)
{
const char *path;
size_t l;
l = dir_len(entry);
path = archive_entry_pathname(entry);
if (archive_strlen(dir) > 0) {
if (l == 0) {
archive_string_empty(dir);
return (1);
}
if (strncmp(dir->s, path, l) == 0)
return (0); /* The parent directory is the same. */
} else if (l == 0)
return (0); /* The parent directory is the same. */
archive_strncpy(dir, path, l);
return (1);
}
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);
}
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
slurp_central_directory(struct archive_read *a, struct zip *zip)
{
unsigned i;
int64_t correction;
static const struct archive_rb_tree_ops rb_ops = {
&cmp_node, &cmp_key
};
static const struct archive_rb_tree_ops rb_rsrc_ops = {
&rsrc_cmp_node, &rsrc_cmp_key
};
/*
* Consider the archive file we are reading may be SFX.
* So we have to calculate a SFX header size to revise
* ZIP header offsets.
*/
correction = zip->end_of_central_directory_offset -
(zip->central_directory_offset + zip->central_directory_size);
/* The central directory offset is relative value, and so
* we revise this offset for SFX. */
zip->central_directory_offset += correction;
__archive_read_seek(a, zip->central_directory_offset, SEEK_SET);
zip->offset = zip->central_directory_offset;
__archive_rb_tree_init(&zip->tree, &rb_ops);
__archive_rb_tree_init(&zip->tree_rsrc, &rb_rsrc_ops);
zip->zip_entries = calloc(zip->central_directory_entries,
sizeof(struct zip_entry));
for (i = 0; i < zip->central_directory_entries; ++i) {
struct zip_entry *zip_entry = &zip->zip_entries[i];
size_t filename_length, extra_length, comment_length;
uint32_t external_attributes;
const char *name, *p, *r;
if ((p = __archive_read_ahead(a, 46, NULL)) == NULL)
return ARCHIVE_FATAL;
if (memcmp(p, "PK\001\002", 4) != 0) {
archive_set_error(&a->archive,
-1, "Invalid central directory signature");
return ARCHIVE_FATAL;
}
zip->have_central_directory = 1;
/* version = p[4]; */
zip_entry->system = p[5];
/* version_required = archive_le16dec(p + 6); */
zip_entry->flags = archive_le16dec(p + 8);
zip_entry->compression = (char)archive_le16dec(p + 10);
zip_entry->mtime = zip_time(p + 12);
zip_entry->crc32 = archive_le32dec(p + 16);
zip_entry->compressed_size = archive_le32dec(p + 20);
zip_entry->uncompressed_size = archive_le32dec(p + 24);
filename_length = archive_le16dec(p + 28);
extra_length = archive_le16dec(p + 30);
comment_length = archive_le16dec(p + 32);
/* disk_start = archive_le16dec(p + 34); */ /* Better be zero. */
/* internal_attributes = archive_le16dec(p + 36); */ /* text bit */
external_attributes = archive_le32dec(p + 38);
zip_entry->local_header_offset =
archive_le32dec(p + 42) + correction;
/* If we can't guess the mode, leave it zero here;
when we read the local file header we might get
more information. */
zip_entry->mode = 0;
if (zip_entry->system == 3) {
zip_entry->mode = external_attributes >> 16;
}
/*
* Mac resource fork files are stored under the
* "__MACOSX/" directory, so we should check if
* it is.
*/
/* Make sure we have the file name. */
if ((p = __archive_read_ahead(a, 46 + filename_length, NULL))
== NULL)
return ARCHIVE_FATAL;
name = p + 46;
r = rsrc_basename(name, filename_length);
if (filename_length >= 9 &&
strncmp("__MACOSX/", name, 9) == 0) {
/* If this file is not a resource fork nor
* a directory. We should treat it as a non
* resource fork file to expose it. */
if (name[filename_length-1] != '/' &&
(r - name < 3 || r[0] != '.' || r[1] != '_')) {
__archive_rb_tree_insert_node(&zip->tree,
&zip_entry->node);
/* Expose its parent directories. */
expose_parent_dirs(zip, name, filename_length);
} else {
/* This file is a resource fork file or
* a directory. */
archive_strncpy(&(zip_entry->rsrcname), name,
filename_length);
__archive_rb_tree_insert_node(&zip->tree_rsrc,
&zip_entry->node);
}
} else {
/* Generate resource fork name to find its resource
* file at zip->tree_rsrc. */
archive_strcpy(&(zip_entry->rsrcname), "__MACOSX/");
archive_strncat(&(zip_entry->rsrcname), name, r - name);
archive_strcat(&(zip_entry->rsrcname), "._");
archive_strncat(&(zip_entry->rsrcname),
name + (r - name), filename_length - (r - name));
/* Register an entry to RB tree to sort it by
* file offset. */
__archive_rb_tree_insert_node(&zip->tree,
&zip_entry->node);
}
/* We don't read the filename until we get to the
local file header. Reading it here would speed up
table-of-contents operations (removing the need to
find and read local file header to get the
filename) at the cost of requiring a lot of extra
space. */
/* We don't read the extra block here. We assume it
will be duplicated at the local file header. */
__archive_read_consume(a,
46 + filename_length + extra_length + comment_length);
}
static int
archive_write_v7tar_header(struct archive_write *a, struct archive_entry *entry)
{
char buff[512];
int ret, ret2;
struct v7tar *v7tar;
struct archive_entry *entry_main;
struct archive_string_conv *sconv;
v7tar = (struct v7tar *)a->format_data;
/* Setup default string conversion. */
if (v7tar->opt_sconv == NULL) {
if (!v7tar->init_default_conversion) {
v7tar->sconv_default =
archive_string_default_conversion_for_write(
&(a->archive));
v7tar->init_default_conversion = 1;
}
sconv = v7tar->sconv_default;
} else
sconv = v7tar->opt_sconv;
/* Sanity check. */
if (archive_entry_pathname(entry) == NULL) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Can't record entry in tar file without pathname");
return (ARCHIVE_FAILED);
}
/* 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 v7tar 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[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 v7tar 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 pahtname, 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 v7tar data");
return(ARCHIVE_FATAL);
}
if (entry != entry_main)
entry = entry_main;
else
entry_main = NULL;
#else
entry_main = NULL;
#endif
ret = format_header_v7tar(a, buff, entry, 1, sconv);
if (ret < ARCHIVE_WARN) {
if (entry_main)
archive_entry_free(entry_main);
return (ret);
}
ret2 = __archive_write_output(a, buff, 512);
if (ret2 < ARCHIVE_WARN) {
if (entry_main)
archive_entry_free(entry_main);
return (ret2);
}
if (ret2 < ret)
ret = ret2;
v7tar->entry_bytes_remaining = archive_entry_size(entry);
v7tar->entry_padding = 0x1ff & (-(int64_t)v7tar->entry_bytes_remaining);
if (entry_main)
archive_entry_free(entry_main);
return (ret);
}
