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-rw-r--r--lib/libarchive/archive_write_set_format_shar.c625
1 files changed, 0 insertions, 625 deletions
diff --git a/lib/libarchive/archive_write_set_format_shar.c b/lib/libarchive/archive_write_set_format_shar.c
deleted file mode 100644
index bd62768..0000000
--- a/lib/libarchive/archive_write_set_format_shar.c
+++ /dev/null
@@ -1,625 +0,0 @@
-/*-
- * Copyright (c) 2003-2007 Tim Kientzle
- * Copyright (c) 2008 Joerg Sonnenberger
- * 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("$FreeBSD$");
-
-#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 shar {
- int dump;
- int end_of_line;
- struct archive_entry *entry;
- int has_data;
- char *last_dir;
-
- /* Line buffer for uuencoded dump format */
- char outbuff[45];
- size_t outpos;
-
- int wrote_header;
- struct archive_string work;
- struct archive_string quoted_name;
-};
-
-static int archive_write_shar_finish(struct archive_write *);
-static int archive_write_shar_destroy(struct archive_write *);
-static int archive_write_shar_header(struct archive_write *,
- struct archive_entry *);
-static ssize_t archive_write_shar_data_sed(struct archive_write *,
- const void * buff, size_t);
-static ssize_t archive_write_shar_data_uuencode(struct archive_write *,
- const void * buff, size_t);
-static int archive_write_shar_finish_entry(struct archive_write *);
-
-/*
- * Copy the given string to the buffer, quoting all shell meta characters
- * found.
- */
-static void
-shar_quote(struct archive_string *buf, const char *str, int in_shell)
-{
- static const char meta[] = "\n \t'`\";&<>()|*?{}[]\\$!#^~";
- size_t len;
-
- while (*str != '\0') {
- if ((len = strcspn(str, meta)) != 0) {
- archive_strncat(buf, str, len);
- str += len;
- } else if (*str == '\n') {
- if (in_shell)
- archive_strcat(buf, "\"\n\"");
- else
- archive_strcat(buf, "\\n");
- ++str;
- } else {
- archive_strappend_char(buf, '\\');
- archive_strappend_char(buf, *str);
- ++str;
- }
- }
-}
-
-/*
- * Set output format to 'shar' format.
- */
-int
-archive_write_set_format_shar(struct archive *_a)
-{
- struct archive_write *a = (struct archive_write *)_a;
- struct shar *shar;
-
- /* If someone else was already registered, unregister them. */
- if (a->format_destroy != NULL)
- (a->format_destroy)(a);
-
- shar = (struct shar *)malloc(sizeof(*shar));
- if (shar == NULL) {
- archive_set_error(&a->archive, ENOMEM, "Can't allocate shar data");
- return (ARCHIVE_FATAL);
- }
- memset(shar, 0, sizeof(*shar));
- archive_string_init(&shar->work);
- archive_string_init(&shar->quoted_name);
- a->format_data = shar;
-
- a->pad_uncompressed = 0;
- a->format_name = "shar";
- a->format_write_header = archive_write_shar_header;
- a->format_finish = archive_write_shar_finish;
- a->format_destroy = archive_write_shar_destroy;
- a->format_write_data = archive_write_shar_data_sed;
- a->format_finish_entry = archive_write_shar_finish_entry;
- a->archive.archive_format = ARCHIVE_FORMAT_SHAR_BASE;
- a->archive.archive_format_name = "shar";
- return (ARCHIVE_OK);
-}
-
-/*
- * An alternate 'shar' that uses uudecode instead of 'sed' to encode
- * file contents and can therefore be used to archive binary files.
- * In addition, this variant also attempts to restore ownership, file modes,
- * and other extended file information.
- */
-int
-archive_write_set_format_shar_dump(struct archive *_a)
-{
- struct archive_write *a = (struct archive_write *)_a;
- struct shar *shar;
-
- archive_write_set_format_shar(&a->archive);
- shar = (struct shar *)a->format_data;
- shar->dump = 1;
- a->format_write_data = archive_write_shar_data_uuencode;
- a->archive.archive_format = ARCHIVE_FORMAT_SHAR_DUMP;
- a->archive.archive_format_name = "shar dump";
- return (ARCHIVE_OK);
-}
-
-static int
-archive_write_shar_header(struct archive_write *a, struct archive_entry *entry)
-{
- const char *linkname;
- const char *name;
- char *p, *pp;
- struct shar *shar;
-
- shar = (struct shar *)a->format_data;
- if (!shar->wrote_header) {
- archive_strcat(&shar->work, "#!/bin/sh\n");
- archive_strcat(&shar->work, "# This is a shell archive\n");
- shar->wrote_header = 1;
- }
-
- /* Save the entry for the closing. */
- if (shar->entry)
- archive_entry_free(shar->entry);
- shar->entry = archive_entry_clone(entry);
- name = archive_entry_pathname(entry);
-
- /* Handle some preparatory issues. */
- switch(archive_entry_filetype(entry)) {
- case AE_IFREG:
- /* Only regular files have non-zero size. */
- break;
- case AE_IFDIR:
- archive_entry_set_size(entry, 0);
- /* Don't bother trying to recreate '.' */
- if (strcmp(name, ".") == 0 || strcmp(name, "./") == 0)
- return (ARCHIVE_OK);
- break;
- case AE_IFIFO:
- case AE_IFCHR:
- case AE_IFBLK:
- /* All other file types have zero size in the archive. */
- archive_entry_set_size(entry, 0);
- break;
- default:
- archive_entry_set_size(entry, 0);
- if (archive_entry_hardlink(entry) == NULL &&
- archive_entry_symlink(entry) == NULL) {
- archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
- "shar format cannot archive this");
- return (ARCHIVE_WARN);
- }
- }
-
- archive_string_empty(&shar->quoted_name);
- shar_quote(&shar->quoted_name, name, 1);
-
- /* Stock preparation for all file types. */
- archive_string_sprintf(&shar->work, "echo x %s\n", shar->quoted_name.s);
-
- if (archive_entry_filetype(entry) != AE_IFDIR) {
- /* Try to create the dir. */
- p = strdup(name);
- pp = strrchr(p, '/');
- /* If there is a / character, try to create the dir. */
- if (pp != NULL) {
- *pp = '\0';
-
- /* Try to avoid a lot of redundant mkdir commands. */
- if (strcmp(p, ".") == 0) {
- /* Don't try to "mkdir ." */
- free(p);
- } else if (shar->last_dir == NULL) {
- archive_strcat(&shar->work, "mkdir -p ");
- shar_quote(&shar->work, p, 1);
- archive_strcat(&shar->work,
- " > /dev/null 2>&1\n");
- shar->last_dir = p;
- } else if (strcmp(p, shar->last_dir) == 0) {
- /* We've already created this exact dir. */
- free(p);
- } else if (strlen(p) < strlen(shar->last_dir) &&
- strncmp(p, shar->last_dir, strlen(p)) == 0) {
- /* We've already created a subdir. */
- free(p);
- } else {
- archive_strcat(&shar->work, "mkdir -p ");
- shar_quote(&shar->work, p, 1);
- archive_strcat(&shar->work,
- " > /dev/null 2>&1\n");
- shar->last_dir = p;
- }
- } else {
- free(p);
- }
- }
-
- /* Handle file-type specific issues. */
- shar->has_data = 0;
- if ((linkname = archive_entry_hardlink(entry)) != NULL) {
- archive_strcat(&shar->work, "ln -f ");
- shar_quote(&shar->work, linkname, 1);
- archive_string_sprintf(&shar->work, " %s\n",
- shar->quoted_name.s);
- } else if ((linkname = archive_entry_symlink(entry)) != NULL) {
- archive_strcat(&shar->work, "ln -fs ");
- shar_quote(&shar->work, linkname, 1);
- archive_string_sprintf(&shar->work, " %s\n",
- shar->quoted_name.s);
- } else {
- switch(archive_entry_filetype(entry)) {
- case AE_IFREG:
- if (archive_entry_size(entry) == 0) {
- /* More portable than "touch." */
- archive_string_sprintf(&shar->work,
- "test -e \"%s\" || :> \"%s\"\n",
- shar->quoted_name.s, shar->quoted_name.s);
- } else {
- if (shar->dump) {
- archive_string_sprintf(&shar->work,
- "uudecode -p > %s << 'SHAR_END'\n",
- shar->quoted_name.s);
- archive_string_sprintf(&shar->work,
- "begin %o ",
- archive_entry_mode(entry) & 0777);
- shar_quote(&shar->work, name, 0);
- archive_strcat(&shar->work, "\n");
- } else {
- archive_string_sprintf(&shar->work,
- "sed 's/^X//' > %s << 'SHAR_END'\n",
- shar->quoted_name.s);
- }
- shar->has_data = 1;
- shar->end_of_line = 1;
- shar->outpos = 0;
- }
- break;
- case AE_IFDIR:
- archive_string_sprintf(&shar->work,
- "mkdir -p %s > /dev/null 2>&1\n",
- shar->quoted_name.s);
- /* Record that we just created this directory. */
- if (shar->last_dir != NULL)
- free(shar->last_dir);
-
- shar->last_dir = strdup(name);
- /* Trim a trailing '/'. */
- pp = strrchr(shar->last_dir, '/');
- if (pp != NULL && pp[1] == '\0')
- *pp = '\0';
- /*
- * TODO: Put dir name/mode on a list to be fixed
- * up at end of archive.
- */
- break;
- case AE_IFIFO:
- archive_string_sprintf(&shar->work,
- "mkfifo %s\n", shar->quoted_name.s);
- break;
- case AE_IFCHR:
- archive_string_sprintf(&shar->work,
- "mknod %s c %d %d\n", shar->quoted_name.s,
- archive_entry_rdevmajor(entry),
- archive_entry_rdevminor(entry));
- break;
- case AE_IFBLK:
- archive_string_sprintf(&shar->work,
- "mknod %s b %d %d\n", shar->quoted_name.s,
- archive_entry_rdevmajor(entry),
- archive_entry_rdevminor(entry));
- break;
- default:
- return (ARCHIVE_WARN);
- }
- }
-
- return (ARCHIVE_OK);
-}
-
-static ssize_t
-archive_write_shar_data_sed(struct archive_write *a, const void *buff, size_t n)
-{
- static const size_t ensured = 65533;
- struct shar *shar;
- const char *src;
- char *buf, *buf_end;
- int ret;
- size_t written = n;
-
- shar = (struct shar *)a->format_data;
- if (!shar->has_data || n == 0)
- return (0);
-
- src = (const char *)buff;
-
- /*
- * ensure is the number of bytes in buffer before expanding the
- * current character. Each operation writes the current character
- * and optionally the start-of-new-line marker. This can happen
- * twice before entering the loop, so make sure three additional
- * bytes can be written.
- */
- if (archive_string_ensure(&shar->work, ensured + 3) == NULL)
- __archive_errx(1, "Out of memory");
-
- if (shar->work.length > ensured) {
- ret = (*a->compressor.write)(a, shar->work.s,
- shar->work.length);
- if (ret != ARCHIVE_OK)
- return (ARCHIVE_FATAL);
- archive_string_empty(&shar->work);
- }
- buf = shar->work.s + shar->work.length;
- buf_end = shar->work.s + ensured;
-
- if (shar->end_of_line) {
- *buf++ = 'X';
- shar->end_of_line = 0;
- }
-
- while (n-- != 0) {
- if ((*buf++ = *src++) == '\n') {
- if (n == 0)
- shar->end_of_line = 1;
- else
- *buf++ = 'X';
- }
-
- if (buf >= buf_end) {
- shar->work.length = buf - shar->work.s;
- ret = (*a->compressor.write)(a, shar->work.s,
- shar->work.length);
- if (ret != ARCHIVE_OK)
- return (ARCHIVE_FATAL);
- archive_string_empty(&shar->work);
- buf = shar->work.s;
- }
- }
-
- shar->work.length = buf - shar->work.s;
-
- return (written);
-}
-
-#define UUENC(c) (((c)!=0) ? ((c) & 077) + ' ': '`')
-
-static void
-uuencode_group(const char _in[3], char out[4])
-{
- const unsigned char *in = (const unsigned char *)_in;
- int t;
-
- t = (in[0] << 16) | (in[1] << 8) | in[2];
- out[0] = UUENC( 0x3f & (t >> 18) );
- out[1] = UUENC( 0x3f & (t >> 12) );
- out[2] = UUENC( 0x3f & (t >> 6) );
- out[3] = UUENC( 0x3f & t );
-}
-
-static void
-uuencode_line(struct shar *shar, const char *inbuf, size_t len)
-{
- char tmp_buf[3], *buf;
- size_t alloc_len;
-
- /* len <= 45 -> expanded to 60 + len byte + new line */
- alloc_len = shar->work.length + 62;
- if (archive_string_ensure(&shar->work, alloc_len) == NULL)
- __archive_errx(1, "Out of memory");
-
- buf = shar->work.s + shar->work.length;
- *buf++ = UUENC(len);
- while (len >= 3) {
- uuencode_group(inbuf, buf);
- len -= 3;
- inbuf += 3;
- buf += 4;
- }
- if (len != 0) {
- tmp_buf[0] = inbuf[0];
- if (len == 1)
- tmp_buf[1] = '\0';
- else
- tmp_buf[1] = inbuf[1];
- tmp_buf[2] = '\0';
- uuencode_group(inbuf, buf);
- buf += 4;
- }
- *buf++ = '\n';
- if ((buf - shar->work.s) > (ptrdiff_t)(shar->work.length + 62))
- __archive_errx(1, "Buffer overflow");
- shar->work.length = buf - shar->work.s;
-}
-
-static ssize_t
-archive_write_shar_data_uuencode(struct archive_write *a, const void *buff,
- size_t length)
-{
- struct shar *shar;
- const char *src;
- size_t n;
- int ret;
-
- shar = (struct shar *)a->format_data;
- if (!shar->has_data)
- return (ARCHIVE_OK);
- src = (const char *)buff;
-
- if (shar->outpos != 0) {
- n = 45 - shar->outpos;
- if (n > length)
- n = length;
- memcpy(shar->outbuff + shar->outpos, src, n);
- if (shar->outpos + n < 45) {
- shar->outpos += n;
- return length;
- }
- uuencode_line(shar, shar->outbuff, 45);
- src += n;
- n = length - n;
- } else {
- n = length;
- }
-
- while (n >= 45) {
- uuencode_line(shar, src, 45);
- src += 45;
- n -= 45;
-
- if (shar->work.length < 65536)
- continue;
- ret = (*a->compressor.write)(a, shar->work.s,
- shar->work.length);
- if (ret != ARCHIVE_OK)
- return (ARCHIVE_FATAL);
- archive_string_empty(&shar->work);
- }
- if (n != 0) {
- memcpy(shar->outbuff, src, n);
- shar->outpos = n;
- }
- return (length);
-}
-
-static int
-archive_write_shar_finish_entry(struct archive_write *a)
-{
- const char *g, *p, *u;
- struct shar *shar;
- int ret;
-
- shar = (struct shar *)a->format_data;
- if (shar->entry == NULL)
- return (0);
-
- if (shar->dump) {
- /* Finish uuencoded data. */
- if (shar->has_data) {
- if (shar->outpos > 0)
- uuencode_line(shar, shar->outbuff,
- shar->outpos);
- archive_strcat(&shar->work, "`\nend\n");
- archive_strcat(&shar->work, "SHAR_END\n");
- }
- /* Restore file mode, owner, flags. */
- /*
- * TODO: Don't immediately restore mode for
- * directories; defer that to end of script.
- */
- archive_string_sprintf(&shar->work, "chmod %o ",
- archive_entry_mode(shar->entry) & 07777);
- shar_quote(&shar->work, archive_entry_pathname(shar->entry), 1);
- archive_strcat(&shar->work, "\n");
-
- u = archive_entry_uname(shar->entry);
- g = archive_entry_gname(shar->entry);
- if (u != NULL || g != NULL) {
- archive_strcat(&shar->work, "chown ");
- if (u != NULL)
- shar_quote(&shar->work, u, 1);
- if (g != NULL) {
- archive_strcat(&shar->work, ":");
- shar_quote(&shar->work, g, 1);
- }
- shar_quote(&shar->work,
- archive_entry_pathname(shar->entry), 1);
- archive_strcat(&shar->work, "\n");
- }
-
- if ((p = archive_entry_fflags_text(shar->entry)) != NULL) {
- archive_string_sprintf(&shar->work, "chflags %s ", p);
- shar_quote(&shar->work,
- archive_entry_pathname(shar->entry), 1);
- archive_strcat(&shar->work, "\n");
- }
-
- /* TODO: restore ACLs */
-
- } else {
- if (shar->has_data) {
- /* Finish sed-encoded data: ensure last line ends. */
- if (!shar->end_of_line)
- archive_strappend_char(&shar->work, '\n');
- archive_strcat(&shar->work, "SHAR_END\n");
- }
- }
-
- archive_entry_free(shar->entry);
- shar->entry = NULL;
-
- if (shar->work.length < 65536)
- return (ARCHIVE_OK);
-
- ret = (*a->compressor.write)(a, shar->work.s, shar->work.length);
- if (ret != ARCHIVE_OK)
- return (ARCHIVE_FATAL);
- archive_string_empty(&shar->work);
-
- return (ARCHIVE_OK);
-}
-
-static int
-archive_write_shar_finish(struct archive_write *a)
-{
- struct shar *shar;
- int ret;
-
- /*
- * TODO: Accumulate list of directory names/modes and
- * fix them all up at end-of-archive.
- */
-
- shar = (struct shar *)a->format_data;
-
- /*
- * Only write the end-of-archive markers if the archive was
- * actually started. This avoids problems if someone sets
- * shar format, then sets another format (which would invoke
- * shar_finish to free the format-specific data).
- */
- if (shar->wrote_header == 0)
- return (ARCHIVE_OK);
-
- archive_strcat(&shar->work, "exit\n");
-
- ret = (*a->compressor.write)(a, shar->work.s, shar->work.length);
- if (ret != ARCHIVE_OK)
- return (ARCHIVE_FATAL);
-
- /* Shar output is never padded. */
- archive_write_set_bytes_in_last_block(&a->archive, 1);
- /*
- * TODO: shar should also suppress padding of
- * uncompressed data within gzip/bzip2 streams.
- */
-
- return (ARCHIVE_OK);
-}
-
-static int
-archive_write_shar_destroy(struct archive_write *a)
-{
- struct shar *shar;
-
- shar = (struct shar *)a->format_data;
- if (shar == NULL)
- return (ARCHIVE_OK);
-
- archive_entry_free(shar->entry);
- free(shar->last_dir);
- archive_string_free(&(shar->work));
- archive_string_free(&(shar->quoted_name));
- free(shar);
- a->format_data = NULL;
- return (ARCHIVE_OK);
-}
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