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From phroc...@apache.org
Subject [17/51] [partial] nifi-minifi-cpp git commit: MINIFICPP-72: Add Tar and Zip Support for MergeContent
Date Fri, 20 Oct 2017 17:18:28 GMT
http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/3781b52f/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_cpio.c
----------------------------------------------------------------------
diff --git a/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_cpio.c b/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_cpio.c
new file mode 100644
index 0000000..ad9f782
--- /dev/null
+++ b/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_cpio.c
@@ -0,0 +1,1080 @@
+/*-
+ * Copyright (c) 2003-2007 Tim Kientzle
+ * Copyright (c) 2010-2012 Michihiro NAKAJIMA
+ * 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_read_support_format_cpio.c 201163 2009-12-29
05:50:34Z kientzle $");
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+/* #include <stdint.h> */ /* See archive_platform.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_entry_locale.h"
+#include "archive_private.h"
+#include "archive_read_private.h"
+
+#define	bin_magic_offset 0
+#define	bin_magic_size 2
+#define	bin_dev_offset 2
+#define	bin_dev_size 2
+#define	bin_ino_offset 4
+#define	bin_ino_size 2
+#define	bin_mode_offset 6
+#define	bin_mode_size 2
+#define	bin_uid_offset 8
+#define	bin_uid_size 2
+#define	bin_gid_offset 10
+#define	bin_gid_size 2
+#define	bin_nlink_offset 12
+#define	bin_nlink_size 2
+#define	bin_rdev_offset 14
+#define	bin_rdev_size 2
+#define	bin_mtime_offset 16
+#define	bin_mtime_size 4
+#define	bin_namesize_offset 20
+#define	bin_namesize_size 2
+#define	bin_filesize_offset 22
+#define	bin_filesize_size 4
+#define	bin_header_size 26
+
+#define	odc_magic_offset 0
+#define	odc_magic_size 6
+#define	odc_dev_offset 6
+#define	odc_dev_size 6
+#define	odc_ino_offset 12
+#define	odc_ino_size 6
+#define	odc_mode_offset 18
+#define	odc_mode_size 6
+#define	odc_uid_offset 24
+#define	odc_uid_size 6
+#define	odc_gid_offset 30
+#define	odc_gid_size 6
+#define	odc_nlink_offset 36
+#define	odc_nlink_size 6
+#define	odc_rdev_offset 42
+#define	odc_rdev_size 6
+#define	odc_mtime_offset 48
+#define	odc_mtime_size 11
+#define	odc_namesize_offset 59
+#define	odc_namesize_size 6
+#define	odc_filesize_offset 65
+#define	odc_filesize_size 11
+#define	odc_header_size 76
+
+#define	newc_magic_offset 0
+#define	newc_magic_size 6
+#define	newc_ino_offset 6
+#define	newc_ino_size 8
+#define	newc_mode_offset 14
+#define	newc_mode_size 8
+#define	newc_uid_offset 22
+#define	newc_uid_size 8
+#define	newc_gid_offset 30
+#define	newc_gid_size 8
+#define	newc_nlink_offset 38
+#define	newc_nlink_size 8
+#define	newc_mtime_offset 46
+#define	newc_mtime_size 8
+#define	newc_filesize_offset 54
+#define	newc_filesize_size 8
+#define	newc_devmajor_offset 62
+#define	newc_devmajor_size 8
+#define	newc_devminor_offset 70
+#define	newc_devminor_size 8
+#define	newc_rdevmajor_offset 78
+#define	newc_rdevmajor_size 8
+#define	newc_rdevminor_offset 86
+#define	newc_rdevminor_size 8
+#define	newc_namesize_offset 94
+#define	newc_namesize_size 8
+#define	newc_checksum_offset 102
+#define	newc_checksum_size 8
+#define	newc_header_size 110
+
+/*
+ * An afio large ASCII header, which they named itself.
+ * afio utility uses this header, if a file size is larger than 2G bytes
+ * or inode/uid/gid is bigger than 65535(0xFFFF) or mtime is bigger than
+ * 0x7fffffff, which we cannot record to odc header because of its limit.
+ * If not, uses odc header.
+ */
+#define	afiol_magic_offset 0
+#define	afiol_magic_size 6
+#define	afiol_dev_offset 6
+#define	afiol_dev_size 8	/* hex */
+#define	afiol_ino_offset 14
+#define	afiol_ino_size 16	/* hex */
+#define	afiol_ino_m_offset 30	/* 'm' */
+#define	afiol_mode_offset 31
+#define	afiol_mode_size 6	/* oct */
+#define	afiol_uid_offset 37
+#define	afiol_uid_size 8	/* hex */
+#define	afiol_gid_offset 45
+#define	afiol_gid_size 8	/* hex */
+#define	afiol_nlink_offset 53
+#define	afiol_nlink_size 8	/* hex */
+#define	afiol_rdev_offset 61
+#define	afiol_rdev_size 8	/* hex */
+#define	afiol_mtime_offset 69
+#define	afiol_mtime_size 16	/* hex */
+#define	afiol_mtime_n_offset 85	/* 'n' */
+#define	afiol_namesize_offset 86
+#define	afiol_namesize_size 4	/* hex */
+#define	afiol_flag_offset 90
+#define	afiol_flag_size 4	/* hex */
+#define	afiol_xsize_offset 94
+#define	afiol_xsize_size 4	/* hex */
+#define	afiol_xsize_s_offset 98	/* 's' */
+#define	afiol_filesize_offset 99
+#define	afiol_filesize_size 16	/* hex */
+#define	afiol_filesize_c_offset 115	/* ':' */
+#define afiol_header_size 116
+
+
+struct links_entry {
+        struct links_entry      *next;
+        struct links_entry      *previous;
+        unsigned int             links;
+        dev_t                    dev;
+        int64_t                  ino;
+        char                    *name;
+};
+
+#define	CPIO_MAGIC   0x13141516
+struct cpio {
+	int			  magic;
+	int			(*read_header)(struct archive_read *, struct cpio *,
+				     struct archive_entry *, size_t *, size_t *);
+	struct links_entry	 *links_head;
+	int64_t			  entry_bytes_remaining;
+	int64_t			  entry_bytes_unconsumed;
+	int64_t			  entry_offset;
+	int64_t			  entry_padding;
+
+	struct archive_string_conv *opt_sconv;
+	struct archive_string_conv *sconv_default;
+	int			  init_default_conversion;
+};
+
+static int64_t	atol16(const char *, unsigned);
+static int64_t	atol8(const char *, unsigned);
+static int	archive_read_format_cpio_bid(struct archive_read *, int);
+static int	archive_read_format_cpio_options(struct archive_read *,
+		    const char *, const char *);
+static int	archive_read_format_cpio_cleanup(struct archive_read *);
+static int	archive_read_format_cpio_read_data(struct archive_read *,
+		    const void **, size_t *, int64_t *);
+static int	archive_read_format_cpio_read_header(struct archive_read *,
+		    struct archive_entry *);
+static int	archive_read_format_cpio_skip(struct archive_read *);
+static int64_t	be4(const unsigned char *);
+static int	find_odc_header(struct archive_read *);
+static int	find_newc_header(struct archive_read *);
+static int	header_bin_be(struct archive_read *, struct cpio *,
+		    struct archive_entry *, size_t *, size_t *);
+static int	header_bin_le(struct archive_read *, struct cpio *,
+		    struct archive_entry *, size_t *, size_t *);
+static int	header_newc(struct archive_read *, struct cpio *,
+		    struct archive_entry *, size_t *, size_t *);
+static int	header_odc(struct archive_read *, struct cpio *,
+		    struct archive_entry *, size_t *, size_t *);
+static int	header_afiol(struct archive_read *, struct cpio *,
+		    struct archive_entry *, size_t *, size_t *);
+static int	is_octal(const char *, size_t);
+static int	is_hex(const char *, size_t);
+static int64_t	le4(const unsigned char *);
+static int	record_hardlink(struct archive_read *a,
+		    struct cpio *cpio, struct archive_entry *entry);
+
+int
+archive_read_support_format_cpio(struct archive *_a)
+{
+	struct archive_read *a = (struct archive_read *)_a;
+	struct cpio *cpio;
+	int r;
+
+	archive_check_magic(_a, ARCHIVE_READ_MAGIC,
+	    ARCHIVE_STATE_NEW, "archive_read_support_format_cpio");
+
+	cpio = (struct cpio *)calloc(1, sizeof(*cpio));
+	if (cpio == NULL) {
+		archive_set_error(&a->archive, ENOMEM, "Can't allocate cpio data");
+		return (ARCHIVE_FATAL);
+	}
+	cpio->magic = CPIO_MAGIC;
+
+	r = __archive_read_register_format(a,
+	    cpio,
+	    "cpio",
+	    archive_read_format_cpio_bid,
+	    archive_read_format_cpio_options,
+	    archive_read_format_cpio_read_header,
+	    archive_read_format_cpio_read_data,
+	    archive_read_format_cpio_skip,
+	    NULL,
+	    archive_read_format_cpio_cleanup,
+	    NULL,
+	    NULL);
+
+	if (r != ARCHIVE_OK)
+		free(cpio);
+	return (ARCHIVE_OK);
+}
+
+
+static int
+archive_read_format_cpio_bid(struct archive_read *a, int best_bid)
+{
+	const unsigned char *p;
+	struct cpio *cpio;
+	int bid;
+
+	(void)best_bid; /* UNUSED */
+
+	cpio = (struct cpio *)(a->format->data);
+
+	if ((p = __archive_read_ahead(a, 6, NULL)) == NULL)
+		return (-1);
+
+	bid = 0;
+	if (memcmp(p, "070707", 6) == 0) {
+		/* ASCII cpio archive (odc, POSIX.1) */
+		cpio->read_header = header_odc;
+		bid += 48;
+		/*
+		 * XXX TODO:  More verification; Could check that only octal
+		 * digits appear in appropriate header locations. XXX
+		 */
+	} else if (memcmp(p, "070727", 6) == 0) {
+		/* afio large ASCII cpio archive */
+		cpio->read_header = header_odc;
+		bid += 48;
+		/*
+		 * XXX TODO:  More verification; Could check that almost hex
+		 * digits appear in appropriate header locations. XXX
+		 */
+	} else if (memcmp(p, "070701", 6) == 0) {
+		/* ASCII cpio archive (SVR4 without CRC) */
+		cpio->read_header = header_newc;
+		bid += 48;
+		/*
+		 * XXX TODO:  More verification; Could check that only hex
+		 * digits appear in appropriate header locations. XXX
+		 */
+	} else if (memcmp(p, "070702", 6) == 0) {
+		/* ASCII cpio archive (SVR4 with CRC) */
+		/* XXX TODO: Flag that we should check the CRC. XXX */
+		cpio->read_header = header_newc;
+		bid += 48;
+		/*
+		 * XXX TODO:  More verification; Could check that only hex
+		 * digits appear in appropriate header locations. XXX
+		 */
+	} else if (p[0] * 256 + p[1] == 070707) {
+		/* big-endian binary cpio archives */
+		cpio->read_header = header_bin_be;
+		bid += 16;
+		/* Is more verification possible here? */
+	} else if (p[0] + p[1] * 256 == 070707) {
+		/* little-endian binary cpio archives */
+		cpio->read_header = header_bin_le;
+		bid += 16;
+		/* Is more verification possible here? */
+	} else
+		return (ARCHIVE_WARN);
+
+	return (bid);
+}
+
+static int
+archive_read_format_cpio_options(struct archive_read *a,
+    const char *key, const char *val)
+{
+	struct cpio *cpio;
+	int ret = ARCHIVE_FAILED;
+
+	cpio = (struct cpio *)(a->format->data);
+	if (strcmp(key, "compat-2x")  == 0) {
+		/* Handle filenames as libarchive 2.x */
+		cpio->init_default_conversion = (val != NULL)?1:0;
+		return (ARCHIVE_OK);
+	} else if (strcmp(key, "hdrcharset")  == 0) {
+		if (val == NULL || val[0] == 0)
+			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+			    "cpio: hdrcharset option needs a character-set name");
+		else {
+			cpio->opt_sconv =
+			    archive_string_conversion_from_charset(
+				&a->archive, val, 0);
+			if (cpio->opt_sconv != NULL)
+				ret = ARCHIVE_OK;
+			else
+				ret = ARCHIVE_FATAL;
+		}
+		return (ret);
+	}
+
+	/* Note: The "warn" return is just to inform the options
+	 * supervisor that we didn't handle it.  It will generate
+	 * a suitable error if no one used this option. */
+	return (ARCHIVE_WARN);
+}
+
+static int
+archive_read_format_cpio_read_header(struct archive_read *a,
+    struct archive_entry *entry)
+{
+	struct cpio *cpio;
+	const void *h, *hl;
+	struct archive_string_conv *sconv;
+	size_t namelength;
+	size_t name_pad;
+	int r;
+
+	cpio = (struct cpio *)(a->format->data);
+	sconv = cpio->opt_sconv;
+	if (sconv == NULL) {
+		if (!cpio->init_default_conversion) {
+			cpio->sconv_default =
+			    archive_string_default_conversion_for_read(
+			      &(a->archive));
+			cpio->init_default_conversion = 1;
+		}
+		sconv = cpio->sconv_default;
+	}
+	
+	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);
+	if (archive_entry_copy_pathname_l(entry,
+	    (const char *)h, namelength, sconv) != 0) {
+		if (errno == ENOMEM) {
+			archive_set_error(&a->archive, ENOMEM,
+			    "Can't allocate memory for Pathname");
+			return (ARCHIVE_FATAL);
+		}
+		archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+		    "Pathname can't be converted from %s to current locale.",
+		    archive_string_conversion_charset_name(sconv));
+		r = ARCHIVE_WARN;
+	}
+	cpio->entry_offset = 0;
+
+	__archive_read_consume(a, namelength + name_pad);
+
+	/* If this is a symlink, read the link contents. */
+	if (archive_entry_filetype(entry) == AE_IFLNK) {
+		if (cpio->entry_bytes_remaining > 1024 * 1024) {
+			archive_set_error(&a->archive, ENOMEM,
+			    "Rejecting malformed cpio archive: symlink contents exceed 1 megabyte");
+			return (ARCHIVE_FATAL);
+		}
+		hl = __archive_read_ahead(a,
+			(size_t)cpio->entry_bytes_remaining, NULL);
+		if (hl == NULL)
+			return (ARCHIVE_FATAL);
+		if (archive_entry_copy_symlink_l(entry, (const char *)hl,
+		    (size_t)cpio->entry_bytes_remaining, sconv) != 0) {
+			if (errno == ENOMEM) {
+				archive_set_error(&a->archive, ENOMEM,
+				    "Can't allocate memory for Linkname");
+				return (ARCHIVE_FATAL);
+			}
+			archive_set_error(&a->archive,
+			    ARCHIVE_ERRNO_FILE_FORMAT,
+			    "Linkname can't be converted from %s to "
+			    "current locale.",
+			    archive_string_conversion_charset_name(sconv));
+			r = ARCHIVE_WARN;
+		}
+		__archive_read_consume(a, cpio->entry_bytes_remaining);
+		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 && strncmp((const char *)h, "TRAILER!!!",
+	    11) == 0) {
+		/* TODO: Store file location of start of block. */
+		archive_clear_error(&a->archive);
+		return (ARCHIVE_EOF);
+	}
+
+	/* Detect and record hardlinks to previously-extracted entries. */
+	if (record_hardlink(a, cpio, entry) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
+
+	return (r);
+}
+
+static int
+archive_read_format_cpio_read_data(struct archive_read *a,
+    const void **buff, size_t *size, int64_t *offset)
+{
+	ssize_t bytes_read;
+	struct cpio *cpio;
+
+	cpio = (struct cpio *)(a->format->data);
+
+	if (cpio->entry_bytes_unconsumed) {
+		__archive_read_consume(a, cpio->entry_bytes_unconsumed);
+		cpio->entry_bytes_unconsumed = 0;
+	}
+
+	if (cpio->entry_bytes_remaining > 0) {
+		*buff = __archive_read_ahead(a, 1, &bytes_read);
+		if (bytes_read <= 0)
+			return (ARCHIVE_FATAL);
+		if (bytes_read > cpio->entry_bytes_remaining)
+			bytes_read = (ssize_t)cpio->entry_bytes_remaining;
+		*size = bytes_read;
+		cpio->entry_bytes_unconsumed = bytes_read;
+		*offset = cpio->entry_offset;
+		cpio->entry_offset += bytes_read;
+		cpio->entry_bytes_remaining -= bytes_read;
+		return (ARCHIVE_OK);
+	} else {
+		if (cpio->entry_padding !=
+			__archive_read_consume(a, cpio->entry_padding)) {
+			return (ARCHIVE_FATAL);
+		}
+		cpio->entry_padding = 0;
+		*buff = NULL;
+		*size = 0;
+		*offset = cpio->entry_offset;
+		return (ARCHIVE_EOF);
+	}
+}
+
+static int
+archive_read_format_cpio_skip(struct archive_read *a)
+{
+	struct cpio *cpio = (struct cpio *)(a->format->data);
+	int64_t to_skip = cpio->entry_bytes_remaining + cpio->entry_padding +
+		cpio->entry_bytes_unconsumed;
+
+	if (to_skip != __archive_read_consume(a, to_skip)) {
+		return (ARCHIVE_FATAL);
+	}
+	cpio->entry_bytes_remaining = 0;
+	cpio->entry_padding = 0;
+	cpio->entry_bytes_unconsumed = 0;
+	return (ARCHIVE_OK);
+}
+
+/*
+ * Skip forward to the next cpio newc header by searching for the
+ * 07070[12] string.  This should be generalized and merged with
+ * find_odc_header below.
+ */
+static int
+is_hex(const char *p, size_t len)
+{
+	while (len-- > 0) {
+		if ((*p >= '0' && *p <= '9')
+		    || (*p >= 'a' && *p <= 'f')
+		    || (*p >= 'A' && *p <= 'F'))
+			++p;
+		else
+			return (0);
+	}
+	return (1);
+}
+
+static int
+find_newc_header(struct archive_read *a)
+{
+	const void *h;
+	const char *p, *q;
+	size_t skip, skipped = 0;
+	ssize_t bytes;
+
+	for (;;) {
+		h = __archive_read_ahead(a, newc_header_size, &bytes);
+		if (h == NULL)
+			return (ARCHIVE_FATAL);
+		p = h;
+		q = p + bytes;
+
+		/* Try the typical case first, then go into the slow search.*/
+		if (memcmp("07070", p, 5) == 0
+		    && (p[5] == '1' || p[5] == '2')
+		    && is_hex(p, newc_header_size))
+			return (ARCHIVE_OK);
+
+		/*
+		 * Scan ahead until we find something that looks
+		 * like a newc header.
+		 */
+		while (p + newc_header_size <= q) {
+			switch (p[5]) {
+			case '1':
+			case '2':
+				if (memcmp("07070", p, 5) == 0
+				    && is_hex(p, newc_header_size)) {
+					skip = p - (const char *)h;
+					__archive_read_consume(a, skip);
+					skipped += skip;
+					if (skipped > 0) {
+						archive_set_error(&a->archive,
+						    0,
+						    "Skipped %d bytes before "
+						    "finding valid header",
+						    (int)skipped);
+						return (ARCHIVE_WARN);
+					}
+					return (ARCHIVE_OK);
+				}
+				p += 2;
+				break;
+			case '0':
+				p++;
+				break;
+			default:
+				p += 6;
+				break;
+			}
+		}
+		skip = p - (const char *)h;
+		__archive_read_consume(a, skip);
+		skipped += skip;
+	}
+}
+
+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);
+}
+
+/*
+ * Skip forward to the next cpio odc header by searching for the
+ * 070707 string.  This is a hand-optimized search that could
+ * probably be easily generalized to handle all character-based
+ * cpio variants.
+ */
+static int
+is_octal(const char *p, size_t len)
+{
+	while (len-- > 0) {
+		if (*p < '0' || *p > '7')
+			return (0);
+	        ++p;
+	}
+	return (1);
+}
+
+static int
+is_afio_large(const char *h, size_t len)
+{
+	if (len < afiol_header_size)
+		return (0);
+	if (h[afiol_ino_m_offset] != 'm'
+	    || h[afiol_mtime_n_offset] != 'n'
+	    || h[afiol_xsize_s_offset] != 's'
+	    || h[afiol_filesize_c_offset] != ':')
+		return (0);
+	if (!is_hex(h + afiol_dev_offset, afiol_ino_m_offset - afiol_dev_offset))
+		return (0);
+	if (!is_hex(h + afiol_mode_offset, afiol_mtime_n_offset - afiol_mode_offset))
+		return (0);
+	if (!is_hex(h + afiol_namesize_offset, afiol_xsize_s_offset - afiol_namesize_offset))
+		return (0);
+	if (!is_hex(h + afiol_filesize_offset, afiol_filesize_size))
+		return (0);
+	return (1);
+}
+
+static int
+find_odc_header(struct archive_read *a)
+{
+	const void *h;
+	const char *p, *q;
+	size_t skip, skipped = 0;
+	ssize_t bytes;
+
+	for (;;) {
+		h = __archive_read_ahead(a, odc_header_size, &bytes);
+		if (h == NULL)
+			return (ARCHIVE_FATAL);
+		p = h;
+		q = p + bytes;
+
+		/* Try the typical case first, then go into the slow search.*/
+		if (memcmp("070707", p, 6) == 0 && is_octal(p, odc_header_size))
+			return (ARCHIVE_OK);
+		if (memcmp("070727", p, 6) == 0 && is_afio_large(p, bytes)) {
+			a->archive.archive_format = ARCHIVE_FORMAT_CPIO_AFIO_LARGE;
+			return (ARCHIVE_OK);
+		}
+
+		/*
+		 * Scan ahead until we find something that looks
+		 * like an odc header.
+		 */
+		while (p + odc_header_size <= q) {
+			switch (p[5]) {
+			case '7':
+				if ((memcmp("070707", p, 6) == 0
+				    && is_octal(p, odc_header_size))
+				    || (memcmp("070727", p, 6) == 0
+				        && is_afio_large(p, q - p))) {
+					skip = p - (const char *)h;
+					__archive_read_consume(a, skip);
+					skipped += skip;
+					if (p[4] == '2')
+						a->archive.archive_format =
+						    ARCHIVE_FORMAT_CPIO_AFIO_LARGE;
+					if (skipped > 0) {
+						archive_set_error(&a->archive,
+						    0,
+						    "Skipped %d bytes before "
+						    "finding valid header",
+						    (int)skipped);
+						return (ARCHIVE_WARN);
+					}
+					return (ARCHIVE_OK);
+				}
+				p += 2;
+				break;
+			case '0':
+				p++;
+				break;
+			default:
+				p += 6;
+				break;
+			}
+		}
+		skip = p - (const char *)h;
+		__archive_read_consume(a, skip);
+		skipped += skip;
+	}
+}
+
+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);
+}
+
+/*
+ * 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
+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 unsigned char *header;
+
+	a->archive.archive_format = ARCHIVE_FORMAT_CPIO_BIN_LE;
+	a->archive.archive_format_name = "cpio (little-endian binary)";
+
+	/* Read fixed-size portion of header. */
+	h = __archive_read_ahead(a, bin_header_size, NULL);
+	if (h == NULL) {
+	    archive_set_error(&a->archive, 0,
+		"End of file trying to read next cpio header");
+	    return (ARCHIVE_FATAL);
+	}
+
+	/* Parse out binary fields. */
+	header = (const unsigned char *)h;
+
+	archive_entry_set_dev(entry, header[bin_dev_offset] + header[bin_dev_offset + 1] * 256);
+	archive_entry_set_ino(entry, header[bin_ino_offset] + header[bin_ino_offset + 1] * 256);
+	archive_entry_set_mode(entry, header[bin_mode_offset] + header[bin_mode_offset + 1] * 256);
+	archive_entry_set_uid(entry, header[bin_uid_offset] + header[bin_uid_offset + 1] * 256);
+	archive_entry_set_gid(entry, header[bin_gid_offset] + header[bin_gid_offset + 1] * 256);
+	archive_entry_set_nlink(entry, header[bin_nlink_offset] + header[bin_nlink_offset + 1] *
256);
+	archive_entry_set_rdev(entry, header[bin_rdev_offset] + header[bin_rdev_offset + 1] * 256);
+	archive_entry_set_mtime(entry, le4(header + bin_mtime_offset), 0);
+	*namelength = header[bin_namesize_offset] + header[bin_namesize_offset + 1] * 256;
+	*name_pad = *namelength & 1; /* Pad to even. */
+
+	cpio->entry_bytes_remaining = le4(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 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) {
+	    archive_set_error(&a->archive, 0,
+		"End of file trying to read next cpio header");
+	    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
+archive_read_format_cpio_cleanup(struct archive_read *a)
+{
+	struct cpio *cpio;
+
+	cpio = (struct cpio *)(a->format->data);
+        /* Free inode->name map */
+        while (cpio->links_head != NULL) {
+                struct links_entry *lp = cpio->links_head->next;
+
+                if (cpio->links_head->name)
+                        free(cpio->links_head->name);
+                free(cpio->links_head);
+                cpio->links_head = lp;
+        }
+	free(cpio);
+	(a->format->data) = NULL;
+	return (ARCHIVE_OK);
+}
+
+static int64_t
+le4(const unsigned char *p)
+{
+	return ((p[0] << 16) + (((int64_t)p[1]) << 24) + (p[2] << 0) + (p[3] <<
8));
+}
+
+
+static int64_t
+be4(const unsigned char *p)
+{
+	return ((((int64_t)p[0]) << 24) + (p[1] << 16) + (p[2] << 8) + (p[3]));
+}
+
+/*
+ * Note that this implementation does not (and should not!) obey
+ * locale settings; you cannot simply substitute strtol here, since
+ * it does obey locale.
+ */
+static int64_t
+atol8(const char *p, unsigned char_cnt)
+{
+	int64_t l;
+	int digit;
+
+	l = 0;
+	while (char_cnt-- > 0) {
+		if (*p >= '0' && *p <= '7')
+			digit = *p - '0';
+		else
+			return (l);
+		p++;
+		l <<= 3;
+		l |= digit;
+	}
+	return (l);
+}
+
+static int64_t
+atol16(const char *p, unsigned char_cnt)
+{
+	int64_t l;
+	int digit;
+
+	l = 0;
+	while (char_cnt-- > 0) {
+		if (*p >= 'a' && *p <= 'f')
+			digit = *p - 'a' + 10;
+		else if (*p >= 'A' && *p <= 'F')
+			digit = *p - 'A' + 10;
+		else if (*p >= '0' && *p <= '9')
+			digit = *p - '0';
+		else
+			return (l);
+		p++;
+		l <<= 4;
+		l |= digit;
+	}
+	return (l);
+}
+
+static int
+record_hardlink(struct archive_read *a,
+    struct cpio *cpio, struct archive_entry *entry)
+{
+	struct links_entry      *le;
+	dev_t dev;
+	int64_t ino;
+
+	if (archive_entry_nlink(entry) <= 1)
+		return (ARCHIVE_OK);
+
+	dev = archive_entry_dev(entry);
+	ino = archive_entry_ino64(entry);
+
+	/*
+	 * First look in the list of multiply-linked files.  If we've
+	 * already dumped it, convert this entry to a hard link entry.
+	 */
+	for (le = cpio->links_head; le; le = le->next) {
+		if (le->dev == dev && le->ino == ino) {
+			archive_entry_copy_hardlink(entry, le->name);
+
+			if (--le->links <= 0) {
+				if (le->previous != NULL)
+					le->previous->next = le->next;
+				if (le->next != NULL)
+					le->next->previous = le->previous;
+				if (cpio->links_head == le)
+					cpio->links_head = le->next;
+				free(le->name);
+				free(le);
+			}
+
+			return (ARCHIVE_OK);
+		}
+	}
+
+	le = (struct links_entry *)malloc(sizeof(struct links_entry));
+	if (le == NULL) {
+		archive_set_error(&a->archive,
+		    ENOMEM, "Out of memory adding file to list");
+		return (ARCHIVE_FATAL);
+	}
+	if (cpio->links_head != NULL)
+		cpio->links_head->previous = le;
+	le->next = cpio->links_head;
+	le->previous = NULL;
+	cpio->links_head = le;
+	le->dev = dev;
+	le->ino = ino;
+	le->links = archive_entry_nlink(entry) - 1;
+	le->name = strdup(archive_entry_pathname(entry));
+	if (le->name == NULL) {
+		archive_set_error(&a->archive,
+		    ENOMEM, "Out of memory adding file to list");
+		return (ARCHIVE_FATAL);
+	}
+
+	return (ARCHIVE_OK);
+}

http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/3781b52f/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_empty.c
----------------------------------------------------------------------
diff --git a/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_empty.c b/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_empty.c
new file mode 100644
index 0000000..c641eb9
--- /dev/null
+++ b/thirdparty/libarchive-3.3.2/libarchive/archive_read_support_format_empty.c
@@ -0,0 +1,96 @@
+/*-
+ * Copyright (c) 2003-2007 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 "archive_platform.h"
+__FBSDID("$FreeBSD: head/lib/libarchive/archive_read_support_format_empty.c 191524 2009-04-26
18:24:14Z kientzle $");
+
+#include "archive.h"
+#include "archive_entry.h"
+#include "archive_private.h"
+#include "archive_read_private.h"
+
+static int	archive_read_format_empty_bid(struct archive_read *, int);
+static int	archive_read_format_empty_read_data(struct archive_read *,
+		    const void **, size_t *, int64_t *);
+static int	archive_read_format_empty_read_header(struct archive_read *,
+		    struct archive_entry *);
+int
+archive_read_support_format_empty(struct archive *_a)
+{
+	struct archive_read *a = (struct archive_read *)_a;
+	int r;
+
+	archive_check_magic(_a, ARCHIVE_READ_MAGIC,
+	    ARCHIVE_STATE_NEW, "archive_read_support_format_empty");
+
+	r = __archive_read_register_format(a,
+	    NULL,
+	    NULL,
+	    archive_read_format_empty_bid,
+	    NULL,
+	    archive_read_format_empty_read_header,
+	    archive_read_format_empty_read_data,
+	    NULL,
+	    NULL,
+	    NULL,
+	    NULL,
+	    NULL);
+
+	return (r);
+}
+
+
+static int
+archive_read_format_empty_bid(struct archive_read *a, int best_bid)
+{
+	if (best_bid < 1 && __archive_read_ahead(a, 1, NULL) == NULL)
+		return (1);
+	return (-1);
+}
+
+static int
+archive_read_format_empty_read_header(struct archive_read *a,
+    struct archive_entry *entry)
+{
+	(void)a; /* UNUSED */
+	(void)entry; /* UNUSED */
+
+	a->archive.archive_format = ARCHIVE_FORMAT_EMPTY;
+	a->archive.archive_format_name = "Empty file";
+
+	return (ARCHIVE_EOF);
+}
+
+static int
+archive_read_format_empty_read_data(struct archive_read *a,
+    const void **buff, size_t *size, int64_t *offset)
+{
+	(void)a; /* UNUSED */
+	(void)buff; /* UNUSED */
+	(void)size; /* UNUSED */
+	(void)offset; /* UNUSED */
+
+	return (ARCHIVE_EOF);
+}


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