diff options
Diffstat (limited to 'libarchive/archive_read_support_format_tar.c')
| -rw-r--r-- | libarchive/archive_read_support_format_tar.c | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/libarchive/archive_read_support_format_tar.c b/libarchive/archive_read_support_format_tar.c index b18edcc12029..33732530f8b9 100644 --- a/libarchive/archive_read_support_format_tar.c +++ b/libarchive/archive_read_support_format_tar.c @@ -204,13 +204,14 @@ static int archive_read_format_tar_read_header(struct archive_read *, struct archive_entry *); static int checksum(struct archive_read *, const void *); static int pax_attribute(struct archive_read *, struct tar *, - struct archive_entry *, const char *key, const char *value); + struct archive_entry *, const char *key, const char *value, + size_t value_length); static int pax_attribute_acl(struct archive_read *, struct tar *, struct archive_entry *, const char *, int); static int pax_attribute_xattr(struct archive_entry *, const char *, const char *); static int pax_header(struct archive_read *, struct tar *, - struct archive_entry *, char *attr); + struct archive_entry *, struct archive_string *); static void pax_time(const char *, int64_t *sec, long *nanos); static ssize_t readline(struct archive_read *, struct tar *, const char **, ssize_t limit, size_t *); @@ -1483,7 +1484,7 @@ header_pax_extensions(struct archive_read *a, struct tar *tar, * and then skip any fields in the standard header that were * defined in the pax header. */ - err2 = pax_header(a, tar, entry, tar->pax_header.s); + err2 = pax_header(a, tar, entry, &tar->pax_header); err = err_combine(err, err2); tar->entry_padding = 0x1ff & (-tar->entry_bytes_remaining); return (err); @@ -1564,16 +1565,17 @@ header_ustar(struct archive_read *a, struct tar *tar, */ static int pax_header(struct archive_read *a, struct tar *tar, - struct archive_entry *entry, char *attr) + struct archive_entry *entry, struct archive_string *in_as) { - size_t attr_length, l, line_length; + size_t attr_length, l, line_length, value_length; char *p; char *key, *value; struct archive_string *as; struct archive_string_conv *sconv; int err, err2; + char *attr = in_as->s; - attr_length = strlen(attr); + attr_length = in_as->length; tar->pax_hdrcharset_binary = 0; archive_string_empty(&(tar->entry_gname)); archive_string_empty(&(tar->entry_linkpath)); @@ -1638,11 +1640,13 @@ pax_header(struct archive_read *a, struct tar *tar, } *p = '\0'; - /* Identify null-terminated 'value' portion. */ value = p + 1; + /* Some values may be binary data */ + value_length = attr + line_length - 1 - value; + /* Identify this attribute and set it in the entry. */ - err2 = pax_attribute(a, tar, entry, key, value); + err2 = pax_attribute(a, tar, entry, key, value, value_length); if (err2 == ARCHIVE_FATAL) return (err2); err = err_combine(err, err2); @@ -1764,6 +1768,20 @@ pax_attribute_xattr(struct archive_entry *entry, } static int +pax_attribute_schily_xattr(struct archive_entry *entry, + const char *name, const char *value, size_t value_length) +{ + if (strlen(name) < 14 || (memcmp(name, "SCHILY.xattr.", 13)) != 0) + return 1; + + name += 13; + + archive_entry_xattr_add_entry(entry, name, value, value_length); + + return 0; +} + +static int pax_attribute_acl(struct archive_read *a, struct tar *tar, struct archive_entry *entry, const char *value, int type) { @@ -1824,7 +1842,7 @@ pax_attribute_acl(struct archive_read *a, struct tar *tar, */ static int pax_attribute(struct archive_read *a, struct tar *tar, - struct archive_entry *entry, const char *key, const char *value) + struct archive_entry *entry, const char *key, const char *value, size_t value_length) { int64_t s; long n; @@ -1959,6 +1977,9 @@ pax_attribute(struct archive_read *a, struct tar *tar, } else if (strcmp(key, "SCHILY.realsize") == 0) { tar->realsize = tar_atol10(value, strlen(value)); archive_entry_set_size(entry, tar->realsize); + } else if (strncmp(key, "SCHILY.xattr.", 13) == 0) { + pax_attribute_schily_xattr(entry, key, value, + value_length); } else if (strcmp(key, "SUN.holesdata") == 0) { /* A Solaris extension for sparse. */ r = solaris_sparse_parse(a, tar, entry, value); |