--- /dev/null
+/*-
+ * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * Author: Jonas Gastal <jgastal@profusion.mobi>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "archive_platform.h"
+__FBSDID("$FreeBSD: head/lib/libarchive/archive_write_set_format_gnu_tar.c 191579 2009-04-27 18:35:03Z gastal $");
+
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include "archive.h"
+#include "archive_entry.h"
+#include "archive_private.h"
+#include "archive_write_private.h"
+
+struct gnutar {
+ uint64_t entry_bytes_remaining;
+ uint64_t entry_padding;
+};
+
+/*
+ * Define structure of GNU tar header.
+ */
+#define GNUTAR_name_offset 0
+#define GNUTAR_name_size 100
+#define GNUTAR_mode_offset 100
+#define GNUTAR_mode_size 7
+#define GNUTAR_mode_max_size 8
+#define GNUTAR_uid_offset 108
+#define GNUTAR_uid_size 7
+#define GNUTAR_uid_max_size 8
+#define GNUTAR_gid_offset 116
+#define GNUTAR_gid_size 7
+#define GNUTAR_gid_max_size 8
+#define GNUTAR_size_offset 124
+#define GNUTAR_size_size 11
+#define GNUTAR_size_max_size 12
+#define GNUTAR_mtime_offset 136
+#define GNUTAR_mtime_size 11
+#define GNUTAR_mtime_max_size 11
+#define GNUTAR_checksum_offset 148
+#define GNUTAR_checksum_size 8
+#define GNUTAR_typeflag_offset 156
+#define GNUTAR_typeflag_size 1
+#define GNUTAR_linkname_offset 157
+#define GNUTAR_linkname_size 100
+#define GNUTAR_magic_offset 257
+#define GNUTAR_magic_size 6
+#define GNUTAR_version_offset 263
+#define GNUTAR_version_size 2
+#define GNUTAR_uname_offset 265
+#define GNUTAR_uname_size 32
+#define GNUTAR_gname_offset 297
+#define GNUTAR_gname_size 32
+#define GNUTAR_rdevmajor_offset 329
+#define GNUTAR_rdevmajor_size 6
+#define GNUTAR_rdevmajor_max_size 8
+#define GNUTAR_rdevminor_offset 337
+#define GNUTAR_rdevminor_size 6
+#define GNUTAR_rdevminor_max_size 8
+
+/*
+ * A filled-in copy of the header for initialization.
+ */
+static const char template_header[] = {
+ /* name: 100 bytes */
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,
+ /* Mode, null termination: 8 bytes */
+ '0','0','0','0','0','0', '0','\0',
+ /* uid, null termination: 8 bytes */
+ '0','0','0','0','0','0', '0','\0',
+ /* gid, null termination: 8 bytes */
+ '0','0','0','0','0','0', '0','\0',
+ /* size, space termation: 12 bytes */
+ '0','0','0','0','0','0','0','0','0','0','0', '\0',
+ /* mtime, space termation: 12 bytes */
+ '0','0','0','0','0','0','0','0','0','0','0', '\0',
+ /* Initial checksum value: 8 spaces */
+ ' ',' ',' ',' ',' ',' ',' ',' ',
+ /* Typeflag: 1 byte */
+ '0', /* '0' = regular file */
+ /* Linkname: 100 bytes */
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,
+ /* Magic: 8 bytes */
+ 'u','s','t','a','r',' ', ' ','\0',
+ /* Uname: 32 bytes */
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ /* Gname: 32 bytes */
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ /* rdevmajor + null padding: 8 bytes */
+ '\0','\0','\0','\0','\0','\0', '\0','\0',
+ /* rdevminor + null padding: 8 bytes */
+ '\0','\0','\0','\0','\0','\0', '\0','\0',
+ /* Padding: 167 bytes */
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0
+};
+
+static int archive_format_gnutar_header(struct archive_write *, char h[512],
+ struct archive_entry *, int tartype);
+static int archive_write_gnutar_header(struct archive_write *,
+ struct archive_entry *entry);
+static ssize_t archive_write_gnutar_data(struct archive_write *a, const void *buff,
+ size_t s);
+static int archive_write_gnutar_free(struct archive_write *);
+static int archive_write_gnutar_close(struct archive_write *);
+static int archive_write_gnutar_finish_entry(struct archive_write *);
+static int format_256(int64_t, char *, int);
+static int format_number(int64_t, char *, int size, int maxsize);
+static int format_octal(int64_t, char *, int);
+
+/*
+ * Set output format to 'GNU tar' format.
+ */
+int
+archive_write_set_format_gnutar(struct archive *_a)
+{
+ struct archive_write *a = (struct archive_write *)_a;
+ struct gnutar *gnutar;
+
+ gnutar = (struct gnutar *)calloc(1, sizeof(*gnutar));
+ if (gnutar == NULL) {
+ archive_set_error(&a->archive, ENOMEM, "Can't allocate gnutar data");
+ return (ARCHIVE_FATAL);
+ }
+ a->format_data = gnutar;
+ a->format_name = "GNU tar";
+ a->format_write_header = archive_write_gnutar_header;
+ a->format_write_data = archive_write_gnutar_data;
+ a->format_close = archive_write_gnutar_close;
+ a->format_free = archive_write_gnutar_free;
+ a->format_finish_entry = archive_write_gnutar_finish_entry;
+ a->archive.archive_format = ARCHIVE_FORMAT_TAR_GNUTAR;
+ a->archive.archive_format_name = "GNU tar";
+ return (ARCHIVE_OK);
+}
+
+static int
+archive_write_gnutar_close(struct archive_write *a)
+{
+ return (__archive_write_nulls(a, 512*2));
+}
+
+static int
+archive_write_gnutar_free(struct archive_write *a)
+{
+ struct gnutar *gnutar;
+
+ gnutar = (struct gnutar *)a->format_data;
+ free(gnutar);
+ a->format_data = NULL;
+ return (ARCHIVE_OK);
+}
+
+static int
+archive_write_gnutar_finish_entry(struct archive_write *a)
+{
+ struct gnutar *gnutar;
+ int ret;
+
+ gnutar = (struct gnutar *)a->format_data;
+ ret = __archive_write_nulls(a,
+ gnutar->entry_bytes_remaining + gnutar->entry_padding);
+ gnutar->entry_bytes_remaining = gnutar->entry_padding = 0;
+ return (ret);
+}
+
+static ssize_t
+archive_write_gnutar_data(struct archive_write *a, const void *buff, size_t s)
+{
+ struct gnutar *gnutar;
+ int ret;
+
+ gnutar = (struct gnutar *)a->format_data;
+ if (s > gnutar->entry_bytes_remaining)
+ s = gnutar->entry_bytes_remaining;
+ ret = __archive_write_output(a, buff, s);
+ gnutar->entry_bytes_remaining -= s;
+ if (ret != ARCHIVE_OK)
+ return (ret);
+ return (s);
+}
+
+static int
+archive_write_gnutar_header(struct archive_write *a, struct archive_entry *entry)
+{
+ char buff[512];
+ int ret, ret2;
+ int tartype;
+ const char *linkname;
+ struct gnutar *gnutar;
+
+ gnutar = (struct gnutar *)a->format_data;
+
+ /* Only regular files (not hardlinks) have data. */
+ if (archive_entry_hardlink(entry) != NULL ||
+ archive_entry_symlink(entry) != NULL ||
+ !(archive_entry_filetype(entry) == AE_IFREG))
+ archive_entry_set_size(entry, 0);
+
+ if (AE_IFDIR == archive_entry_filetype(entry)) {
+ const char *p;
+ char *t;
+ /*
+ * Ensure a trailing '/'. Modify the entry so
+ * the client sees the change.
+ */
+ p = archive_entry_pathname(entry);
+ if (p[strlen(p) - 1] != '/') {
+ t = (char *)malloc(strlen(p) + 2);
+ if (t == NULL) {
+ archive_set_error(&a->archive, ENOMEM,
+ "Can't allocate gnutar data");
+ return(ARCHIVE_FATAL);
+ }
+ strcpy(t, p);
+ strcat(t, "/");
+ archive_entry_copy_pathname(entry, t);
+ free(t);
+ }
+ }
+
+ /* If linkname is longer than 100 chars we need to add a 'K' header. */
+ linkname = archive_entry_hardlink(entry);
+ if (linkname == NULL)
+ linkname = archive_entry_symlink(entry);
+ if (linkname != NULL && strlen(linkname) > GNUTAR_linkname_size) {
+ size_t todo = strlen(linkname);
+ struct archive_entry *temp = archive_entry_new();
+
+ /* Uname/gname here don't really matter since noone 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, strlen(linkname) + 1);
+ ret = archive_format_gnutar_header(a, buff, temp, 'K');
+ if (ret < ARCHIVE_WARN)
+ return (ret);
+ ret = __archive_write_output(a, buff, 512);
+ if(ret < ARCHIVE_WARN)
+ return (ret);
+ archive_entry_free(temp);
+ /* Write as many 512 bytes blocks as needed to write full name. */
+ ret = __archive_write_output(a, linkname, todo);
+ if(ret < ARCHIVE_WARN)
+ return (ret);
+ ret = __archive_write_nulls(a, 0x1ff & (-todo));
+ if (ret < ARCHIVE_WARN)
+ return (ret);
+ }
+
+ /* If pathname is longer than 100 chars we need to add an 'L' header. */
+ if (strlen(archive_entry_pathname(entry)) > GNUTAR_name_size) {
+ const char *pathname = archive_entry_pathname(entry);
+ size_t todo = strlen(pathname);
+ struct archive_entry *temp = archive_entry_new();
+
+ /* Uname/gname here don't really matter since noone 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, strlen(archive_entry_pathname(entry)) + 1);
+ ret = archive_format_gnutar_header(a, buff, temp, 'L');
+ if (ret < ARCHIVE_WARN)
+ return (ret);
+ ret = __archive_write_output(a, buff, 512);
+ if(ret < ARCHIVE_WARN)
+ return (ret);
+ archive_entry_free(temp);
+ /* Write as many 512 bytes blocks as needed to write full name. */
+ ret = __archive_write_output(a, pathname, todo);
+ if(ret < ARCHIVE_WARN)
+ return (ret);
+ ret = __archive_write_nulls(a, 0x1ff & (-todo));
+ if (ret < ARCHIVE_WARN)
+ return (ret);
+ }
+
+ if (archive_entry_hardlink(entry) != NULL) {
+ tartype = '1';
+ } else
+ switch (archive_entry_filetype(entry)) {
+ case AE_IFREG: tartype = '0' ; break;
+ case AE_IFLNK: tartype = '2' ; break;
+ case AE_IFCHR: tartype = '3' ; break;
+ case AE_IFBLK: tartype = '4' ; break;
+ case AE_IFDIR: tartype = '5' ; break;
+ case AE_IFIFO: tartype = '6' ; break;
+ case AE_IFSOCK:
+ archive_set_error(&a->archive,
+ ARCHIVE_ERRNO_FILE_FORMAT,
+ "tar format cannot archive socket");
+ return (ARCHIVE_FAILED);
+ default:
+ archive_set_error(&a->archive,
+ ARCHIVE_ERRNO_FILE_FORMAT,
+ "tar format cannot archive this (mode=0%lo)",
+ (unsigned long)archive_entry_mode(entry));
+ ret = ARCHIVE_FAILED;
+ }
+
+ ret = archive_format_gnutar_header(a, buff, entry, tartype);
+ if (ret < ARCHIVE_WARN)
+ return (ret);
+ ret = __archive_write_output(a, buff, 512);
+ if (ret2 < ARCHIVE_WARN)
+ return (ret2);
+ if (ret2 < ret)
+ ret = ret2;
+
+ gnutar->entry_bytes_remaining = archive_entry_size(entry);
+ gnutar->entry_padding = 0x1ff & (-(int64_t)gnutar->entry_bytes_remaining);
+ return (ret);
+}
+
+static int
+archive_format_gnutar_header(struct archive_write *a, char h[512],
+ struct archive_entry *entry, int tartype)
+{
+ unsigned int checksum;
+ int i, ret;
+ size_t copy_length;
+ const char *p;
+
+ ret = 0;
+
+ /*
+ * The "template header" already includes the signature,
+ * various end-of-field markers, and other required elements.
+ */
+ memcpy(h, &template_header, 512);
+
+ /*
+ * Because the block is already null-filled, and strings
+ * are allowed to exactly fill their destination (without null),
+ * I use memcpy(dest, src, strlen()) here a lot to copy strings.
+ */
+
+ p = archive_entry_pathname(entry);
+ copy_length = strlen(p);
+ if (copy_length > GNUTAR_name_size)
+ copy_length = GNUTAR_name_size;
+ memcpy(h + GNUTAR_name_offset, p, copy_length);
+
+ p = archive_entry_hardlink(entry);
+ if (p == NULL)
+ p = archive_entry_symlink(entry);
+ if (p != NULL && p[0] != '\0') {
+ copy_length = strlen(p);
+ if (copy_length > GNUTAR_linkname_size)
+ copy_length = GNUTAR_linkname_size;
+ memcpy(h + GNUTAR_linkname_offset, p, copy_length);
+ }
+
+ /* TODO: How does GNU tar handle unames longer than GNUTAR_uname_size? */
+ p = archive_entry_uname(entry);
+ if (p != NULL && p[0] != '\0') {
+ copy_length = strlen(p);
+ if (copy_length > GNUTAR_uname_size)
+ copy_length = GNUTAR_uname_size;
+ memcpy(h + GNUTAR_uname_offset, p, copy_length);
+ }
+
+ /* TODO: How does GNU tar handle gnames longer than GNUTAR_gname_size? */
+ p = archive_entry_gname(entry);
+ if (p != NULL && p[0] != '\0') {
+ copy_length = strlen(p);
+ if (strlen(p) > GNUTAR_gname_size)
+ copy_length = GNUTAR_gname_size;
+ memcpy(h + GNUTAR_gname_offset, p, copy_length);
+ }
+
+ /* By truncating the mode here, we ensure it always fits. */
+ format_octal(archive_entry_mode(entry) & 07777,
+ h + GNUTAR_mode_offset, GNUTAR_mode_size);
+
+ /* TODO: How does GNU tar handle large UIDs? */
+ if (format_octal(archive_entry_uid(entry), h + GNUTAR_uid_offset, GNUTAR_uid_size)) {
+ archive_set_error(&a->archive, ERANGE, "Numeric user ID %d too large",
+ archive_entry_uid(entry));
+ ret = ARCHIVE_FAILED;
+ }
+
+ /* TODO: How does GNU tar handle large GIDs? */
+ if (format_octal(archive_entry_gid(entry), h + GNUTAR_gid_offset, GNUTAR_gid_size)) {
+ archive_set_error(&a->archive, ERANGE, "Numeric group ID %d too large",
+ archive_entry_gid(entry));
+ ret = ARCHIVE_FAILED;
+ }
+
+ /* GNU tar supports base-256 here, so should never overflow. */
+ if (format_number(archive_entry_size(entry), h + GNUTAR_size_offset,
+ GNUTAR_size_size, GNUTAR_size_max_size)) {
+ archive_set_error(&a->archive, ERANGE, "File size out of range");
+ ret = ARCHIVE_FAILED;
+ }
+
+ /* Shouldn't overflow before 2106, since mtime field is 33 bits. */
+ format_octal(archive_entry_mtime(entry), h + GNUTAR_mtime_offset, GNUTAR_mtime_size);
+
+ if (archive_entry_filetype(entry) == AE_IFBLK
+ || archive_entry_filetype(entry) == AE_IFCHR) {
+ if (format_octal(archive_entry_rdevmajor(entry), h + GNUTAR_rdevmajor_offset,
+ GNUTAR_rdevmajor_size)) {
+ archive_set_error(&a->archive, ERANGE,
+ "Major device number too large");
+ ret = ARCHIVE_FAILED;
+ }
+
+ if (format_octal(archive_entry_rdevminor(entry), h + GNUTAR_rdevminor_offset,
+ GNUTAR_rdevminor_size)) {
+ archive_set_error(&a->archive, ERANGE,
+ "Minor device number too large");
+ ret = ARCHIVE_FAILED;
+ }
+ }
+
+ h[GNUTAR_typeflag_offset] = tartype;
+
+ checksum = 0;
+ for (i = 0; i < 512; i++)
+ checksum += 255 & (unsigned int)h[i];
+ h[GNUTAR_checksum_offset + 6] = '\0'; /* Can't be pre-set in the template. */
+ /* h[GNUTAR_checksum_offset + 7] = ' '; */ /* This is pre-set in the template. */
+ format_octal(checksum, h + GNUTAR_checksum_offset, 6);
+ return (ret);
+}
+
+/*
+ * Format a number into a field, falling back to base-256 if necessary.
+ */
+static int
+format_number(int64_t v, char *p, int s, int maxsize)
+{
+ int64_t limit = ((int64_t)1 << (s*3));
+
+ if (v < limit)
+ return (format_octal(v, p, s));
+ return (format_256(v, p, maxsize));
+}
+
+/*
+ * Format a number into the specified field using base-256.
+ */
+static int
+format_256(int64_t v, char *p, int s)
+{
+ p += s;
+ while (s-- > 0) {
+ *--p = (char)(v & 0xff);
+ v >>= 8;
+ }
+ *p |= 0x80; /* Set the base-256 marker bit. */
+ return (0);
+}
+
+/*
+ * Format a number into the specified field using octal.
+ */
+static int
+format_octal(int64_t v, char *p, int s)
+{
+ int len = s;
+
+ /* Octal values can't be negative, so use 0. */
+ if (v < 0)
+ v = 0;
+
+ p += s; /* Start at the end and work backwards. */
+ while (s-- > 0) {
+ *--p = (char)('0' + (v & 7));
+ v >>= 3;
+ }
+
+ if (v == 0)
+ return (0);
+
+ /* If it overflowed, fill field with max value. */
+ while (len-- > 0)
+ *p++ = '7';
+
+ return (-1);
+}
--- /dev/null
+/*-
+ * Copyright (c) 2010 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "test.h"
+__FBSDID("$FreeBSD$");
+
+char buff2[64];
+
+/* Some names 1026 characters long */
+static const char *longfilename = "abcdefghijklmnopqrstuvwxyz"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890";
+
+static const char *longlinkname = "Xabcdefghijklmnopqrstuvwxyz"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890";
+
+static const char *longhardlinkname = "Yabcdefghijklmnopqrstuvwxyz"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890"
+ "12345678901234567890123456789012345678901234567890";
+
+
+DEFINE_TEST(test_write_format_gnutar)
+{
+ size_t buffsize = 1000000;
+ char *buff;
+ struct archive_entry *ae;
+ struct archive *a;
+ size_t used;
+
+ buff = malloc(buffsize); /* million bytes of work area */
+ assert(buff != NULL);
+
+ /* Create a new archive in memory. */
+ assert((a = archive_write_new()) != NULL);
+ assertA(0 == archive_write_set_format_gnutar(a));
+ assertA(0 == archive_write_set_compression_none(a));
+ assertA(0 == archive_write_open_memory(a, buff, buffsize, &used));
+
+ /*
+ * "file" has a bunch of attributes and 8 bytes of data.
+ */
+ assert((ae = archive_entry_new()) != NULL);
+ archive_entry_set_atime(ae, 2, 20);
+ archive_entry_set_birthtime(ae, 3, 30);
+ archive_entry_set_ctime(ae, 4, 40);
+ archive_entry_set_mtime(ae, 5, 50);
+ archive_entry_copy_pathname(ae, "file");
+ archive_entry_set_mode(ae, S_IFREG | 0755);
+ archive_entry_set_size(ae, 8);
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
+ archive_entry_free(ae);
+ assertEqualIntA(a, 8, archive_write_data(a, "12345678", 9));
+
+ /*
+ * A file with a very long name
+ */
+ assert((ae = archive_entry_new()) != NULL);
+ archive_entry_copy_pathname(ae, longfilename);
+ archive_entry_set_mode(ae, S_IFREG | 0755);
+ archive_entry_set_size(ae, 8);
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
+ archive_entry_free(ae);
+ assertEqualIntA(a, 8, archive_write_data(a, "abcdefgh", 9));
+
+ /*
+ * A hardlink to the above file.
+ */
+ assert((ae = archive_entry_new()) != NULL);
+ archive_entry_copy_pathname(ae, longhardlinkname);
+ archive_entry_copy_hardlink(ae, longfilename);
+ archive_entry_set_mode(ae, S_IFREG | 0755);
+ archive_entry_set_size(ae, 8);
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
+ archive_entry_free(ae);
+
+ /*
+ * A symlink to the above file.
+ */
+ assert((ae = archive_entry_new()) != NULL);
+ archive_entry_copy_pathname(ae, longlinkname);
+ archive_entry_copy_symlink(ae, longfilename);
+ archive_entry_set_mode(ae, S_IFLNK | 0755);
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
+ archive_entry_free(ae);
+
+ /* TODO: support GNU tar sparse format and test it here. */
+ /* See test_write_format_pax for an example of testing sparse files. */
+
+ /* Close out the archive. */
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_free(a));
+
+ /*
+ * Some basic verification of the low-level format.
+ */
+
+ /* Verify GNU tar magic/version fields */
+ assertEqualMem(buff + 257, "ustar \0", 8);
+
+ assertEqualInt(14336, used);
+
+ /*
+ *
+ * Now, read the data back.
+ *
+ */
+ assert((a = archive_read_new()) != NULL);
+ assertEqualIntA(a, 0, archive_read_support_format_all(a));
+ assertEqualIntA(a, 0, archive_read_support_compression_all(a));
+ assertEqualIntA(a, 0, archive_read_open_memory(a, buff, used));
+
+ /*
+ * Read "file"
+ */
+ assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
+ assert(!archive_entry_atime_is_set(ae));
+ assert(!archive_entry_birthtime_is_set(ae));
+ assert(!archive_entry_ctime_is_set(ae));
+ assertEqualInt(5, archive_entry_mtime(ae));
+ assertEqualInt(0, archive_entry_mtime_nsec(ae));
+ assertEqualString("file", archive_entry_pathname(ae));
+ assertEqualInt(S_IFREG | 0755, archive_entry_mode(ae));
+ assertEqualInt(8, archive_entry_size(ae));
+ assertEqualIntA(a, 8, archive_read_data(a, buff2, 10));
+ assertEqualMem(buff2, "12345678", 8);
+
+ /*
+ * Read file with very long name.
+ */
+ assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
+ assertEqualString(longfilename, archive_entry_pathname(ae));
+ assertEqualInt(S_IFREG | 0755, archive_entry_mode(ae));
+ assertEqualInt(8, archive_entry_size(ae));
+ assertEqualIntA(a, 8, archive_read_data(a, buff2, 10));
+ assertEqualMem(buff2, "abcdefgh", 8);
+
+ /*
+ * Read hardlink.
+ */
+ assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
+ assertEqualString(longhardlinkname, archive_entry_pathname(ae));
+ assertEqualString(longfilename, archive_entry_hardlink(ae));
+
+ /*
+ * Read symlink.
+ */
+ assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
+ assertEqualString(longlinkname, archive_entry_pathname(ae));
+ assertEqualString(longfilename, archive_entry_symlink(ae));
+ assertEqualInt(AE_IFLNK | 0755, archive_entry_mode(ae));
+
+ /*
+ * Verify the end of the archive.
+ */
+ assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
+ assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
+ assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
+
+ free(buff);
+}
projects / thirdparty / libarchive.git / commitdiff
