From 7d810e632719b9d910200c382a98d12252d40264 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 17 Apr 2023 19:01:31 -0400
Subject: ustar, main: Show mode and mtime

---
(limited to 'src')

diff --git a/src/main.c b/src/main.c
index 3d92850..84ff164 100644
--- a/src/main.c
+++ b/src/main.c
@@ -19,6 +19,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 #include "defs.h"
 #include "gzip.h"
 #include "ustar.h"
@@ -150,12 +151,28 @@ _opkg_opk_main_list_members(struct opkg_opk_ustar *ustar)
 {
 	struct opkg_opk_ustar_member  member;
 	int                           ret;
+	char                          mode[10];
+	char                          mtime[20];
 
 	while ((ret = opkg_opk_ustar_list(ustar, &member)) == OPKG_OPK_OK) {
-		printf("%c %32s/%-32s %11d  %s\n",
-				member.type,
-				member.uname, member.gname,
-				member.size, member.name);
+		if (member.mode & 00400) mode[0] = 'r'; else mode[0] = '-';
+		if (member.mode & 00200) mode[1] = 'w'; else mode[1] = '-';
+		if (member.mode & 00100) mode[2] = 'x'; else mode[2] = '-';
+		if (member.mode & 04000) mode[2] = 's';
+		if (member.mode & 00040) mode[3] = 'r'; else mode[3] = '-';
+		if (member.mode & 00020) mode[4] = 'w'; else mode[4] = '-';
+		if (member.mode & 00010) mode[5] = 'x'; else mode[5] = '-';
+		if (member.mode & 02000) mode[5] = 's';
+		if (member.mode & 00004) mode[6] = 'r'; else mode[6] = '-';
+		if (member.mode & 00002) mode[7] = 'w'; else mode[7] = '-';
+		if (member.mode & 00001) mode[8] = 'x'; else mode[8] = '-';
+		if (member.mode & 01000) mode[8] = 't';
+		mode[9] = '\0';
+		strftime(mtime, sizeof(mtime), "%Y-%m-%d %H:%M:%S",
+				localtime(&member.mtime));
+		printf("%c%s %32s/%-32s %11d %s %s\n",
+				member.type, mode, member.uname, member.gname,
+				member.size, mtime, member.name);
 	}
 	if (ret == OPKG_OPK_ERROR) {
 		fputs("Error: Failed to list data files\n", stderr);
diff --git a/src/ustar.c b/src/ustar.c
index 7e00cb6..a277f15 100644
--- a/src/ustar.c
+++ b/src/ustar.c
@@ -145,6 +145,7 @@ opkg_opk_ustar_list(struct opkg_opk_ustar *ustar,
 {
 	static struct _opkg_opk_ustar_header  header;
 	       int                            ret;
+	       char                          *end;
 
 	if ((ret =_opkg_opk_ustar_next(ustar, &header)) != OPKG_OPK_OK) {
 		return ret;  /* Error or end of archive */
@@ -156,7 +157,17 @@ opkg_opk_ustar_list(struct opkg_opk_ustar *ustar,
 		memcpy(member->name, header.name, sizeof(header.name));
 		member->name[sizeof(header.name)] = '\0';
 	}
+	member->mode = strtol((char *) header.mode, &end,
+			OPKG_OPK_USTAR_NUM_BASE_);
+	if (*end != '\0') {
+		return OPKG_OPK_ERROR;
+	}
 	member->size = ustar->data_size_remaining;
+	member->mtime = strtol((char *) header.mtime, &end,
+			OPKG_OPK_USTAR_NUM_BASE_);
+	if (*end != '\0') {
+		return OPKG_OPK_ERROR;
+	}
 	switch (*header.typeflag) {
 		case '0':  /* Regular file */
 		case '7':  /* High-performance or regular file */
diff --git a/src/ustar.h b/src/ustar.h
index 6d5049b..7c4c089 100644
--- a/src/ustar.h
+++ b/src/ustar.h
@@ -29,12 +29,14 @@
 struct opkg_opk_ustar;
 
 struct opkg_opk_ustar_member {
-	char    name[OPKG_OPK_USTAR_NAME_MAX_LEN];
-	int64_t size;
-	char    type;
-	char    linkname[100];
-	char    uname    [32];
-	char    gname    [32];
+	char     name[OPKG_OPK_USTAR_NAME_MAX_LEN];
+	uint16_t mode;
+	int64_t  size;
+	int64_t  mtime;
+	char     type;
+	char     linkname[100];
+	char     uname    [32];
+	char     gname    [32];
 };
 
 struct opkg_opk_ustar *
--
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