diff options
| -rw-r--r-- | archivers/Makefile | 1 | ||||
| -rw-r--r-- | archivers/unmakeself/Makefile | 38 | ||||
| -rw-r--r-- | archivers/unmakeself/files/unmakeself.c | 252 | ||||
| -rw-r--r-- | archivers/unmakeself/pkg-descr | 5 |
4 files changed, 296 insertions, 0 deletions
diff --git a/archivers/Makefile b/archivers/Makefile index 3a33fa57909a..f1ce9d5643a4 100644 --- a/archivers/Makefile +++ b/archivers/Makefile @@ -90,6 +90,7 @@ SUBDIR += unarj SUBDIR += undms SUBDIR += unlzx + SUBDIR += unmakeself SUBDIR += unrar SUBDIR += unshield SUBDIR += untar diff --git a/archivers/unmakeself/Makefile b/archivers/unmakeself/Makefile new file mode 100644 index 000000000000..af8e3225e3e4 --- /dev/null +++ b/archivers/unmakeself/Makefile @@ -0,0 +1,38 @@ +# New ports collection makefile for: unmakeself +# Date created: 31 Mar 2005 +# Whom: Jean-Yves Lefort <jylefort@brutele.be> +# +# $FreeBSD$ +# + +PORTNAME= unmakeself +PORTVERSION= 0.99 +CATEGORIES= archivers +DISTFILES= + +MAINTAINER= jylefort@brutele.be +COMMENT= Extract Makeself archives + +LDFLAGS= -larchive -lbz2 -lz +USE_GETOPT_LONG= yes +NO_WRKSUBDIR= yes + +PLIST_FILES= bin/unmakeself + +.include <bsd.port.pre.mk> + +.if ${OSVERSION} < 502103 +BUILD_DEPENDS+= ${LOCALBASE}/lib/libarchive.a:${PORTSDIR}/archivers/libarchive +CPPFLAGS+= -I${LOCALBASE}/include +LDFLAGS+= -L${LOCALBASE}/lib +.endif + +do-build: + ${CC} ${CFLAGS} ${CPPFLAGS} -o ${WRKSRC}/unmakeself \ + ${FILESDIR}/unmakeself.c ${LDFLAGS} + +do-install: + ${MKDIR} ${PREFIX}/bin + ${INSTALL_PROGRAM} ${WRKSRC}/unmakeself ${PREFIX}/bin + +.include <bsd.port.post.mk> diff --git a/archivers/unmakeself/files/unmakeself.c b/archivers/unmakeself/files/unmakeself.c new file mode 100644 index 000000000000..10720c6e18e2 --- /dev/null +++ b/archivers/unmakeself/files/unmakeself.c @@ -0,0 +1,252 @@ +/* + * unmakeself - extracts Makeself archives + * + * Copyright (C) 2005 Jean-Yves Lefort + * 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. + * 3. Neither the name of Jean-Yves Lefort nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS + * 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 <stdio.h> +#include <stdlib.h> +#include <locale.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/uio.h> +#include <unistd.h> +#include <getopt.h> +#include <archive.h> + +static char *self = NULL; /* program name */ +static int extract_flags = ARCHIVE_EXTRACT_TIME; /* bsdtar default */ + +static void unmakeself_print_help (void); +static void unmakeself_print_version (void); +static void unmakeself_extract (const char *filename); + +int +main (int argc, char **argv) +{ + const struct option options[] = { + { "help", no_argument, NULL, '?' }, + { "version", no_argument, NULL, 'v' }, + { "keep-old-files", no_argument, NULL, 'k' }, + { "modification-time", no_argument, NULL, 'm' }, + { "no-same-owner", no_argument, NULL, 'o' }, + { "preserve-permissions", no_argument, NULL, 'p' }, + { "unlink", no_argument, NULL, 'U' }, + { "unlink-first", no_argument, NULL, 'U' }, + { NULL, 0, NULL, 0 } + }; + int c; + + self = argc > 0 ? strdup(argv[0]) : "unmakeself"; + setlocale(LC_ALL, ""); + + if (geteuid() == 0) /* bsdtar does this */ + extract_flags |= ARCHIVE_EXTRACT_OWNER; + + while ((c = getopt_long(argc, argv, "?vkmpUx", options, NULL)) != -1) + switch (c) + { + case '?': + unmakeself_print_help(); + exit(0); + break; + + case 'v': + unmakeself_print_version(); + exit(0); + break; + + case 'k': /* GNU tar, bsdtar */ + extract_flags |= ARCHIVE_EXTRACT_NO_OVERWRITE; + break; + + case 'm': /* SUSv2, bsdtar */ + extract_flags &= ~ARCHIVE_EXTRACT_TIME; + break; + + case 'o': /* bsdtar */ + extract_flags &= ~ARCHIVE_EXTRACT_OWNER; + break; + + case 'p': /* GNU tar, star, bsdtar */ + extract_flags |= ARCHIVE_EXTRACT_PERM; + extract_flags |= ARCHIVE_EXTRACT_ACL; + extract_flags |= ARCHIVE_EXTRACT_FFLAGS; + break; + + case 'U': /* GNU tar, bsdtar */ + extract_flags |= ARCHIVE_EXTRACT_UNLINK; + break; + + default: + abort(); + } + + argc -= optind; + argv += optind; + + if (argc != 1) + { + fprintf(stderr, "%s: a file to extract must be specified\n", self); + exit(1); + } + + unmakeself_extract(argv[0]); + + /* on some systems, the return value of main() is ignored */ + exit(0); + + return 0; +} + +static void +unmakeself_print_help (void) +{ + printf("Synopsis:\n"); + printf(" %s {-? | -v}\n", self); + printf(" %s [-kmopU] FILE\n", self); +} + +static void +unmakeself_print_version (void) +{ + printf("unmakeself version 0.99\n"); + printf("Copyright (C) 2005 Jean-Yves Lefort\n"); +} + +static void +unmakeself_extract (const char *filename) +{ + int fd; + char buf[4096]; + int pos = 0; + int last_newline = -1; + int offset = -1; + int done = 0; + ssize_t len; + + fd = open(filename, O_RDONLY); + if (fd < 0) + { + fprintf(stderr, "%s: unable to open %s: %s\n", self, filename, strerror(errno)); + exit(1); + } + + /* + * We find the start offset of the archive inside the shell script + * by locating the first non-printable character following a + * newline. The archive starts immediately after that newline. + */ + while (! done && (len = read(fd, buf, sizeof(buf))) > 0) + { + int i; + + for (i = 0; i < len; i++, pos++) + if (buf[i] == '\n') + last_newline = pos; + else if (buf[i] != '\t' && (buf[i] < 32 || buf[i] > 126)) + { + if (last_newline != -1) + offset = last_newline + 1; + + done = 1; + break; + } + } + + if (offset != -1) /* offset found, extract using libarchive */ + { + struct archive *archive; + struct archive_entry *entry; + int status; + + if (lseek(fd, offset, SEEK_SET) < 0) + { + fprintf(stderr, "%s: unable to seek into %s: %s\n", self, filename, strerror(errno)); + exit(1); + } + + archive = archive_read_new(); + + if (archive_read_support_compression_all(archive) != ARCHIVE_OK) + fprintf(stderr, "%s: warning: unable to support all compression formats: %s\n", self, archive_error_string(archive)); + if (archive_read_support_format_all(archive) != ARCHIVE_OK) + fprintf(stderr, "%s: warning: unable to support all archive formats: %s\n", self, archive_error_string(archive)); + + /* same block size as DEFAULT_BYTES_PER_BLOCK in bsdtar.h */ + if (archive_read_open_fd(archive, fd, 20 * 512) != ARCHIVE_OK) + { + fprintf(stderr, "%s: unable to open %s with libarchive: %s\n", self, filename, archive_error_string(archive)); + exit(1); + } + + while ((status = archive_read_next_header(archive, &entry)) == ARCHIVE_OK) + if (archive_read_extract(archive, entry, extract_flags) != ARCHIVE_OK) + { + fprintf(stderr, "%s: unable to extract %s: %s\n", self, filename, archive_error_string(archive)); + exit(1); + } + + if (status != ARCHIVE_EOF) + { + fprintf(stderr, "%s: unable to read next header of %s: %s\n", self, filename, archive_error_string(archive)); + exit(1); + } + + if (archive_read_close(archive) != ARCHIVE_OK) + { + fprintf(stderr, "%s: unable to close %s with libarchive: %s\n", self, filename, archive_error_string(archive)); + exit(1); + } + + archive_read_finish(archive); + } + else + { + if (len >= 0) /* EOF, or couldn't find start offset */ + { + fprintf(stderr, "%s: %s is not a valid Makeself archive\n", self, filename); + exit(1); + } + else /* read error */ + { + fprintf(stderr, "%s: unable to read %s: %s\n", self, filename, strerror(errno)); + exit(1); + } + } + + if (close(fd) < 0) + { + fprintf(stderr, "%s: unable to close %s: %s\n", self, filename, strerror(errno)); + exit(1); + } +} diff --git a/archivers/unmakeself/pkg-descr b/archivers/unmakeself/pkg-descr new file mode 100644 index 000000000000..4abfc72b4e18 --- /dev/null +++ b/archivers/unmakeself/pkg-descr @@ -0,0 +1,5 @@ +unmakeself is a program for extracting Makeself archives without +having to run the self-extracting shell script. + +- Jean-Yves Lefort +jylefort@brutele.be |