1 files changed, 204 insertions, 0 deletions

diff --git a/usr.bin/ar/read.c b/usr.bin/ar/read.c
new file mode 100644
index 000000000000..a9e2ed103193
--- /dev/null
+++ b/usr.bin/ar/read.c
@@ -0,0 +1,204 @@
+/*-
+ * Copyright (c) 2007 Kai Wang
+ * Copyright (c) 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
+ *    in this position and unchanged.
+ * 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/queue.h>
+#include <sys/stat.h>
+#include <archive.h>
+#include <archive_entry.h>
+#include <errno.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <string.h>
+#include <sysexits.h>
+
+#include "ar.h"
+
+static void read_archive(struct bsdar *bsdar, char mode);
+
+void
+ar_mode_p(struct bsdar *bsdar)
+{
+
+	read_archive(bsdar, 'p');
+}
+
+void
+ar_mode_t(struct bsdar *bsdar)
+{
+
+	read_archive(bsdar, 't');
+}
+
+void
+ar_mode_x(struct bsdar *bsdar)
+{
+
+	read_archive(bsdar, 'x');
+}
+
+/*
+ * Handle read modes: 'x', 't' and 'p'.
+ */
+static void
+read_archive(struct bsdar *bsdar, char mode)
+{
+	struct archive		 *a;
+	struct archive_entry	 *entry;
+	struct stat		  sb;
+	struct tm		 *tp;
+	const char		 *bname;
+	const char		 *name;
+	mode_t			  md;
+	size_t			  size;
+	time_t			  mtime;
+	uid_t			  uid;
+	gid_t			  gid;
+	char			**av;
+	char			  buf[25];
+	char			  find;
+	int			  flags, r, i;
+
+	if ((a = archive_read_new()) == NULL)
+		bsdar_errc(bsdar, EX_SOFTWARE, 0, "archive_read_new failed");
+	archive_read_support_compression_all(a);
+	archive_read_support_format_all(a);
+	AC(archive_read_open_file(a, bsdar->filename, DEF_BLKSZ));
+
+	for (;;) {
+		r = archive_read_next_header(a, &entry);
+		if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY ||
+		    r == ARCHIVE_FATAL)
+			bsdar_warnc(bsdar, 0, "%s", archive_error_string(a));
+		if (r == ARCHIVE_EOF || r == ARCHIVE_FATAL)
+			break;
+		if (r == ARCHIVE_RETRY) {
+			bsdar_warnc(bsdar, 0, "Retrying...");
+			continue;
+		}
+
+		name = archive_entry_pathname(entry);
+
+		/* Skip pseudo members. */
+		if (strcmp(name, "/") == 0 || strcmp(name, "//") == 0)
+			continue;
+
+		if (bsdar->argc > 0) {
+			find = 0;
+			for(i = 0; i < bsdar->argc; i++) {
+				av = &bsdar->argv[i];
+				if (*av == NULL)
+					continue;
+				if ((bname = basename(*av)) == NULL)
+					bsdar_errc(bsdar, EX_SOFTWARE, errno,
+					    "basename failed");
+				if (strcmp(bname, name) != 0)
+					continue;
+
+				*av = NULL;
+				find = 1;
+				break;
+			}
+			if (!find)
+				continue;
+		}
+
+		if (mode == 't') {
+			if (bsdar->options & AR_V) {
+				md = archive_entry_mode(entry);
+				uid = archive_entry_uid(entry);
+				gid = archive_entry_gid(entry);
+				size = archive_entry_size(entry);
+				mtime = archive_entry_mtime(entry);
+				(void)strmode(md, buf);
+				(void)fprintf(stdout, "%s %6d/%-6d %8ju ",
+				    buf + 1, uid, gid, (uintmax_t)size);
+				tp = localtime(&mtime);
+				(void)strftime(buf, sizeof(buf),
+				    "%b %e %H:%M %Y", tp);
+				(void)fprintf(stdout, "%s %s", buf, name);
+			} else
+				(void)fprintf(stdout, "%s", name);
+			r = archive_read_data_skip(a);
+			if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY ||
+			    r == ARCHIVE_FATAL) {
+				(void)fprintf(stdout, "\n");
+				bsdar_warnc(bsdar, 0, "%s",
+				    archive_error_string(a));
+			}
+
+			if (r == ARCHIVE_FATAL)
+				break;
+
+			(void)fprintf(stdout, "\n");
+		} else {
+			/* mode == 'x' || mode = 'p' */
+			if (mode == 'p') {
+				if (bsdar->options & AR_V) {
+					(void)fprintf(stdout, "\n<%s>\n\n",
+					    name);
+					fflush(stdout);
+				}
+				r = archive_read_data_into_fd(a, 1);
+			} else {
+				/* mode == 'x' */
+				if (stat(name, &sb) != 0) {
+					if (errno != ENOENT) {
+						bsdar_warnc(bsdar, 0,
+						    "stat %s failed",
+						    bsdar->filename);
+						continue;
+					}
+				} else {
+					/* stat success, file exist */
+					if (bsdar->options & AR_CC)
+						continue;
+					if (bsdar->options & AR_U &&
+					    archive_entry_mtime(entry) <=
+					    sb.st_mtime)
+						continue;
+				}
+
+				if (bsdar->options & AR_V)
+					(void)fprintf(stdout, "x - %s\n", name);
+				flags = 0;
+				if (bsdar->options & AR_O)
+					flags |= ARCHIVE_EXTRACT_TIME;
+
+				r = archive_read_extract(a, entry, flags);
+			}
+
+			if (r)
+				bsdar_warnc(bsdar, 0, "%s",
+				    archive_error_string(a));
+		}
+	}
+	AC(archive_read_close(a));
+	AC(archive_read_finish(a));
+}