From 03d67a3935b2050b48deeab6469966f06c031caf Mon Sep 17 00:00:00 2001
From: Marc Espie <espie@cvs.openbsd.org>
Date: Thu, 21 Aug 2003 20:24:58 +0000
Subject: New keywords: @extra and @extraunexec. Used to record extra files
 (configuration) and action, that will only be taken with pkg_delete -c.

---
 usr.sbin/pkg_install/add/perform.c       |  6 ++--
 usr.sbin/pkg_install/create/pkg_create.1 | 16 ++++++++-
 usr.sbin/pkg_install/delete/delete.h     |  3 +-
 usr.sbin/pkg_install/delete/main.c       | 12 ++++---
 usr.sbin/pkg_install/delete/perform.c    |  8 +++--
 usr.sbin/pkg_install/delete/pkg_delete.1 | 10 ++++--
 usr.sbin/pkg_install/info/show.c         | 10 ++++--
 usr.sbin/pkg_install/lib/file.c          | 18 +++++-----
 usr.sbin/pkg_install/lib/lib.h           | 22 ++++++------
 usr.sbin/pkg_install/lib/plist.c         | 61 ++++++++++++++++++++++++++++++--
 usr.sbin/pkg_install/lib/pwarnx.c        | 25 ++++++++++++-
 11 files changed, 152 insertions(+), 39 deletions(-)

diff --git a/usr.sbin/pkg_install/add/perform.c b/usr.sbin/pkg_install/add/perform.c
index d8f02bcd12c..4970cc91545 100644
--- a/usr.sbin/pkg_install/add/perform.c
+++ b/usr.sbin/pkg_install/add/perform.c
@@ -1,7 +1,7 @@
-/*	$OpenBSD: perform.c,v 1.31 2003/08/16 17:31:56 deraadt Exp $	*/
+/*	$OpenBSD: perform.c,v 1.32 2003/08/21 20:24:56 espie Exp $	*/
 
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: perform.c,v 1.31 2003/08/16 17:31:56 deraadt Exp $";
+static const char rcsid[] = "$OpenBSD: perform.c,v 1.32 2003/08/21 20:24:56 espie Exp $";
 #endif
 
 /*
@@ -558,7 +558,7 @@ pkg_do(char *pkg)
  fail:
     /* Nuke the whole (installed) show, XXX but don't clean directories */
     if (!Fake)
-	delete_package(FALSE, FALSE, FALSE, &Plist);
+	delete_package(FALSE, FALSE, FALSE, FALSE, &Plist);
 
  success:
     /* delete the packing list contents */
diff --git a/usr.sbin/pkg_install/create/pkg_create.1 b/usr.sbin/pkg_install/create/pkg_create.1
index 408247686d3..09a3c768a49 100644
--- a/usr.sbin/pkg_install/create/pkg_create.1
+++ b/usr.sbin/pkg_install/create/pkg_create.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: pkg_create.1,v 1.27 2003/08/15 00:03:22 espie Exp $
+.\"	$OpenBSD: pkg_create.1,v 1.28 2003/08/21 20:24:56 espie Exp $
 .\"
 .\" FreeBSD install - a package for the installation and maintenance
 .\" of non-core utilities.
@@ -376,6 +376,20 @@ directive is used, the directories are removed in the order specified.
 The
 .Pa name
 directory will not be removed unless it is empty.
+.It Cm @extra Ar file
+Declare extra file
+.Pa file
+to be deleted at deinstall time, if user sets
+.Fl c
+option.
+Those files are extra configuration files that are normally not deleted.
+If
+.Pa file
+ends with a slash, it is a directory.
+.It Cm @extraunexec Ar command
+Extra
+.Ar command
+to execute when removing extra files.
 .It Cm @mtree Ar name
 Declare
 .Pa name
diff --git a/usr.sbin/pkg_install/delete/delete.h b/usr.sbin/pkg_install/delete/delete.h
index ff3f7f151ac..f6d9231c4aa 100644
--- a/usr.sbin/pkg_install/delete/delete.h
+++ b/usr.sbin/pkg_install/delete/delete.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: delete.h,v 1.2 2003/08/01 08:56:01 espie Exp $ */
+/* $OpenBSD: delete.h,v 1.3 2003/08/21 20:24:56 espie Exp $ */
 
 /*
  * FreeBSD install - a package for the installation and maintainance
@@ -26,6 +26,7 @@
 extern char	*Prefix;
 extern Boolean	NoDeInstall;
 extern Boolean	CleanDirs;
+extern Boolean  CleanConf;
 extern Boolean  CheckMD5;
 extern Boolean	Force;
 extern char	*Directory;
diff --git a/usr.sbin/pkg_install/delete/main.c b/usr.sbin/pkg_install/delete/main.c
index e587f5f5069..fa45b5dfa3e 100644
--- a/usr.sbin/pkg_install/delete/main.c
+++ b/usr.sbin/pkg_install/delete/main.c
@@ -1,8 +1,8 @@
-/*	$OpenBSD: main.c,v 1.11 2003/08/01 08:56:01 espie Exp $	*/
+/*	$OpenBSD: main.c,v 1.12 2003/08/21 20:24:56 espie Exp $	*/
 
 #include <sys/cdefs.h>
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: main.c,v 1.11 2003/08/01 08:56:01 espie Exp $";
+static const char rcsid[] = "$OpenBSD: main.c,v 1.12 2003/08/21 20:24:56 espie Exp $";
 #endif
 
 /*
@@ -30,11 +30,12 @@ static const char rcsid[] = "$OpenBSD: main.c,v 1.11 2003/08/01 08:56:01 espie E
 #include "lib.h"
 #include "delete.h"
 
-static char Options[] = "hvDdnfp:q";
+static char Options[] = "chvDdnfp:q";
 
 char	*Prefix		= NULL;
 Boolean	NoDeInstall	= FALSE;
 Boolean	CleanDirs	= FALSE;
+Boolean CleanConf	= FALSE;
 Boolean CheckMD5	= TRUE;
 
 static void usage(void);
@@ -77,6 +78,9 @@ main(int argc, char **argv)
 	    CheckMD5 = FALSE;
 	    break;
 
+	case 'c':
+	    CleanConf = TRUE;
+	    break;
 	case 'h':
 	case '?':
 	default:
@@ -110,6 +114,6 @@ main(int argc, char **argv)
 static void
 usage()
 {
-    fprintf(stderr, "usage: pkg_delete [-vDdhnfq] [-p prefix] pkg-name ...\n");
+    fprintf(stderr, "usage: pkg_delete [-cvDdhnfq] [-p prefix] pkg-name ...\n");
     exit(1);
 }
diff --git a/usr.sbin/pkg_install/delete/perform.c b/usr.sbin/pkg_install/delete/perform.c
index 802e5c99ed3..2cf4716bf8e 100644
--- a/usr.sbin/pkg_install/delete/perform.c
+++ b/usr.sbin/pkg_install/delete/perform.c
@@ -1,7 +1,7 @@
-/*	$OpenBSD: perform.c,v 1.15 2003/08/01 08:56:01 espie Exp $	*/
+/*	$OpenBSD: perform.c,v 1.16 2003/08/21 20:24:56 espie Exp $	*/
 
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: perform.c,v 1.15 2003/08/01 08:56:01 espie Exp $";
+static const char rcsid[] = "$OpenBSD: perform.c,v 1.16 2003/08/21 20:24:56 espie Exp $";
 #endif
 
 /*
@@ -34,6 +34,7 @@ static int pkg_do(char *);
 static void sanity_check(char *);
 static int undepend(const char *, char *, int);
 static char LogDir[FILENAME_MAX];
+extern Boolean CleanConf;
 
 
 int
@@ -192,6 +193,7 @@ try_again:
     }
 
     setenv(PKG_PREFIX_VNAME, p->name, 1);
+    setenv("PKG_DELETE_EXTRA", (CleanConf ? "Yes" : "No"), 1);
     if (fexists(REQUIRE_FNAME)) {
 	if (Verbose)
 	    printf("Executing 'require' script.\n");
@@ -221,7 +223,7 @@ try_again:
     }
     if (!Fake) {
 	/* Some packages aren't packed right, so we need to just ignore delete_package()'s status.  Ugh! :-( */
-	if (delete_package(FALSE, CleanDirs, CheckMD5, &Plist) == FAIL)
+	if (delete_package(FALSE, CleanDirs, CleanConf, CheckMD5, &Plist) == FAIL)
 	    pwarnx(
 	"couldn't entirely delete package (perhaps the packing list is\n"
 	"incorrectly specified?)");
diff --git a/usr.sbin/pkg_install/delete/pkg_delete.1 b/usr.sbin/pkg_install/delete/pkg_delete.1
index 10582b52afa..89431bdbeb3 100644
--- a/usr.sbin/pkg_install/delete/pkg_delete.1
+++ b/usr.sbin/pkg_install/delete/pkg_delete.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: pkg_delete.1,v 1.16 2003/08/01 08:56:01 espie Exp $
+.\"	$OpenBSD: pkg_delete.1,v 1.17 2003/08/21 20:24:56 espie Exp $
 .\"
 .\" FreeBSD install - a package for the installation and maintenance
 .\" of non-core utilities.
@@ -25,7 +25,7 @@
 .Nd a utility for deleting previously installed software package distributions
 .Sh SYNOPSIS
 .Nm pkg_delete
-.Op Fl vDdnfq
+.Op Fl cvDdnfq
 .Op Fl p Ar prefix
 .Ar pkg-name Op Ar ...
 .Sh DESCRIPTION
@@ -77,6 +77,12 @@ the package.
 .It Fl f
 Force removal of the package, even if a dependency is recorded or the
 deinstall or require script fails.
+.It Fl c
+Delete extra configuration file, mentioned as
+.Bd -literal
+@extra file
+.Ed
+in the packing-list.
 .It Fl q
 Delete package quickly, do not bother checking md5s before removing files.
 .El
diff --git a/usr.sbin/pkg_install/info/show.c b/usr.sbin/pkg_install/info/show.c
index f6c65ab862b..6e5fdd3f5e7 100644
--- a/usr.sbin/pkg_install/info/show.c
+++ b/usr.sbin/pkg_install/info/show.c
@@ -1,7 +1,7 @@
-/*	$OpenBSD: show.c,v 1.12 2003/07/04 17:31:19 avsm Exp $	*/
+/*	$OpenBSD: show.c,v 1.13 2003/08/21 20:24:56 espie Exp $	*/
 
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: show.c,v 1.12 2003/07/04 17:31:19 avsm Exp $";
+static const char rcsid[] = "$OpenBSD: show.c,v 1.13 2003/08/21 20:24:56 espie Exp $";
 #endif
 
 /*
@@ -55,6 +55,10 @@ static show_t	showv[] = {
 	{	PLIST_DIR_RM,	"@dirrm %s",	"\tDeinstall directory remove: %s" },
 	{	PLIST_OPTION,	"@option %s",	"\tPackage has option: %s" },
 	{	PLIST_PKGCFL,	"@pkgcfl %s",	"\tPackage conflicts with: %s" },
+	{	PLIST_EXTRA,	"@extra %s",	"\tExtra files: %s" },
+	{	PLIST_EXTRAUNEXEC,	
+				"@extraunexec %s",	
+						"\tExtra UNEXEC: %s" },
 	{	-1,		NULL,		 NULL }
 };
 
@@ -150,6 +154,8 @@ show_plist(char *title, package_t *plist, pl_ent_t type)
 		case PLIST_DIR_RM:
 		case PLIST_OPTION:
 		case PLIST_PKGCFL:
+		case PLIST_EXTRA:
+		case PLIST_EXTRAUNEXEC:
 			printf(Quiet ? showv[p->type].sh_quiet : showv[p->type].sh_verbose, p->name);
 			break;
 		default:
diff --git a/usr.sbin/pkg_install/lib/file.c b/usr.sbin/pkg_install/lib/file.c
index aff2263fa8c..ffed6a427c8 100644
--- a/usr.sbin/pkg_install/lib/file.c
+++ b/usr.sbin/pkg_install/lib/file.c
@@ -1,7 +1,7 @@
-/*	$OpenBSD: file.c,v 1.25 2003/08/06 20:46:36 millert Exp $	*/
+/*	$OpenBSD: file.c,v 1.26 2003/08/21 20:24:57 espie Exp $	*/
 
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: file.c,v 1.25 2003/08/06 20:46:36 millert Exp $";
+static const char rcsid[] = "$OpenBSD: file.c,v 1.26 2003/08/21 20:24:57 espie Exp $";
 #endif
 
 /*
@@ -105,7 +105,7 @@ ftpGetURL(char *url, int *retcode)
 
 /* Quick check to see if a file exists */
 Boolean
-fexists(char *fname)
+fexists(const char *fname)
 {
     struct stat dummy;
     if (!lstat(fname, &dummy))
@@ -115,7 +115,7 @@ fexists(char *fname)
 
 /* Quick check to see if something is a directory */
 Boolean
-isdir(char *fname)
+isdir(const char *fname)
 {
     struct stat sb;
 
@@ -127,7 +127,7 @@ isdir(char *fname)
 
 /* Check if something is a link to a directory */
 Boolean
-islinktodir(char *fname)
+islinktodir(const char *fname)
 {
     struct stat sb;
 
@@ -142,7 +142,7 @@ islinktodir(char *fname)
 
 /* Check to see if file is a dir, and is empty */
 Boolean
-isemptydir(char *fname)
+isemptydir(const char *fname)
 {
     if (isdir(fname) || islinktodir(fname)) {
 	DIR *dirp;
@@ -164,7 +164,7 @@ isemptydir(char *fname)
 }
 
 Boolean
-isfile(char *fname)
+isfile(const char *fname)
 {
     struct stat sb;
     if (stat(fname, &sb) != FAIL && S_ISREG(sb.st_mode))
@@ -175,7 +175,7 @@ isfile(char *fname)
 /* Check to see if file is a file and is empty. If nonexistent or not
    a file, say "it's empty", otherwise return TRUE if zero sized. */
 Boolean
-isemptyfile(char *fname)
+isemptyfile(const char *fname)
 {
     struct stat sb;
     if (stat(fname, &sb) != FAIL && S_ISREG(sb.st_mode)) {
@@ -187,7 +187,7 @@ isemptyfile(char *fname)
 
 /* Returns TRUE if file is a URL specification */
 Boolean
-isURL(char *fname)
+isURL(const char *fname)
 {
     /*
      * Hardcode url types... not perfect, but working.
diff --git a/usr.sbin/pkg_install/lib/lib.h b/usr.sbin/pkg_install/lib/lib.h
index 215489a7298..67ebf7f442b 100644
--- a/usr.sbin/pkg_install/lib/lib.h
+++ b/usr.sbin/pkg_install/lib/lib.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: lib.h,v 1.13 2003/08/01 08:56:01 espie Exp $ */
+/* $OpenBSD: lib.h,v 1.14 2003/08/21 20:24:57 espie Exp $ */
 
 /*
  * FreeBSD install - a package for the installation and maintainance
@@ -103,6 +103,8 @@ typedef enum pl_ent_t {
 	PLIST_DIR_RM,
 	PLIST_OPTION,
 	PLIST_PKGCFL,
+	PLIST_EXTRA,
+	PLIST_EXTRAUNEXEC,
 	PLIST_NEWDEP,
 	PLIST_LIBDEP
 } pl_ent_t;
@@ -161,14 +163,13 @@ int		ispkgpattern(const char *);
 char		*strnncpy(char *to, size_t tosize, char *from, size_t cc);
 
 /* File */
-Boolean		fexists(char *);
-Boolean		isdir(char *);
-Boolean		islinktodir(char *);
-Boolean		isemptydir(char *fname);
-Boolean		isemptyfile(char *fname);
-Boolean         isfile(char *);
-Boolean		isempty(char *);
-Boolean		isURL(char *);
+Boolean		fexists(const char *);
+Boolean		isdir(const char *);
+Boolean		islinktodir(const char *);
+Boolean		isemptydir(const char *fname);
+Boolean		isemptyfile(const char *fname);
+Boolean         isfile(const char *);
+Boolean		isURL(const char *);
 char		*ensure_tgz(char *);
 char		*fileGetURL(char *, char *);
 char		*fileURLFilename(char *, char *, int);
@@ -200,7 +201,7 @@ void		delete_plist(package_t *pkg, Boolean all, pl_ent_t type, char *name);
 void		write_plist(package_t *, FILE *);
 void		read_plist(package_t *, FILE *);
 int		plist_cmd(char *, char **);
-int		delete_package(Boolean, Boolean, Boolean, package_t *);
+int		delete_package(Boolean, Boolean, Boolean, Boolean, package_t *);
 
 /* For all */
 int		pkg_perform(char **);
@@ -208,6 +209,7 @@ int		pkg_perform(char **);
 
 void		set_pkg(char *);
 void 		pwarnx(const char *, ...);
+void 		pwarn(const char *, ...);
 
 /* Externs */
 extern Boolean	Verbose;
diff --git a/usr.sbin/pkg_install/lib/plist.c b/usr.sbin/pkg_install/lib/plist.c
index d0f74efa6f6..0098aeecc10 100644
--- a/usr.sbin/pkg_install/lib/plist.c
+++ b/usr.sbin/pkg_install/lib/plist.c
@@ -1,6 +1,6 @@
-/*	$OpenBSD: plist.c,v 1.16 2003/08/01 08:56:01 espie Exp $	*/
+/*	$OpenBSD: plist.c,v 1.17 2003/08/21 20:24:57 espie Exp $	*/
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: plist.c,v 1.16 2003/08/01 08:56:01 espie Exp $";
+static const char rcsid[] = "$OpenBSD: plist.c,v 1.17 2003/08/21 20:24:57 espie Exp $";
 #endif
 
 /*
@@ -55,9 +55,13 @@ static cmd_t	cmdv[] = {
 	{	"option",	PLIST_OPTION,		1	},
 	{	"newdepend",	PLIST_NEWDEP,		1	},
 	{	"libdepend",	PLIST_LIBDEP,		1	},
+	{	"extra",	PLIST_EXTRA,		1	},
+	{	"extraunexec",	PLIST_EXTRAUNEXEC,	1	},
 	{	NULL,		FAIL,			0	}
 };
 
+static void delete_files(const char *);
+
 /* Add an item to the end of a packing list */
 void
 add_plist(package_t *p, pl_ent_t type, char *arg)
@@ -290,7 +294,7 @@ write_plist(package_t *pkg, FILE *fp)
  * run it too in cases of failure.
  */
 int
-delete_package(Boolean ign_err, Boolean nukedirs,
+delete_package(Boolean ign_err, Boolean nukedirs, Boolean remove_config, 
     Boolean check_md5, package_t *pkg)
 {
     plist_t *p;
@@ -314,6 +318,10 @@ delete_package(Boolean ign_err, Boolean nukedirs,
 		printf("Change working directory to %s\n", Where);
 	    break;
 
+	case PLIST_EXTRAUNEXEC:
+	    if (!remove_config)
+	    	break;
+	    /*FALLTHRU*/
 	case PLIST_UNEXEC:
 	    if (!format_cmd(tmp, sizeof(tmp), p->name, Where, last_file)) {
 	    	pwarnx("unexec command `%s' could not expand", p->name);
@@ -360,6 +368,18 @@ delete_package(Boolean ign_err, Boolean nukedirs,
 	    }
 	    break;
 
+	case PLIST_EXTRA:
+	    if (!remove_config)
+	    	break;
+	    if (!p->name)
+	    	break;
+	    if (p->name[0] == '/')
+	    	delete_files(p->name);
+	    else {
+		(void) snprintf(tmp, sizeof(tmp), "%s/%s", Where, p->name);
+		delete_files(tmp);
+	    }
+	    break;
 	case PLIST_DIR_RM:
 	    (void) snprintf(tmp, sizeof(tmp), "%s/%s", Where, p->name);
 	    if (!isdir(tmp)) {
@@ -442,3 +462,38 @@ delete_hierarchy(char *dir, Boolean ign_err, Boolean nukedirs)
     }
     return 0;
 }
+
+static void
+delete_files(const char *fname)
+{
+	size_t len;
+	Boolean b;
+
+	len = strlen(fname);
+	if (len == 0) {
+		pwarnx("empty extra file");
+		return;
+	}
+	/* don't warn if stuff does not exist */
+	if (!fexists(fname))
+		return;
+
+	b = isdir(fname);
+	if (fname[len-1] == '/') {
+		if (b) {
+			if (rmdir(fname) == -1)
+				pwarn("problem removing directory %s", 
+				    fname);
+		} else {
+			pwarnx("extra directory %s is not a directory", 
+			    fname);
+		}
+	} else {
+		if (b) {
+			pwarnx("extra file %s is a directory", fname);
+		} else {
+			if (unlink(fname) == -1)
+				pwarn("problem removing %s", fname);
+		}
+	}
+}
diff --git a/usr.sbin/pkg_install/lib/pwarnx.c b/usr.sbin/pkg_install/lib/pwarnx.c
index 191ad3c0d81..439fa2b195b 100644
--- a/usr.sbin/pkg_install/lib/pwarnx.c
+++ b/usr.sbin/pkg_install/lib/pwarnx.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pwarnx.c,v 1.3 2003/06/02 23:36:54 millert Exp $ */
+/* $OpenBSD: pwarnx.c,v 1.4 2003/08/21 20:24:57 espie Exp $ */
 
 /*-
  * Copyright (c) 1993
@@ -32,6 +32,7 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
+#include <errno.h>
 #include "lib.h"
 
 static char pkgname[60];
@@ -79,3 +80,25 @@ pwarnx(const char *fmt, ...)
 	(void)fprintf(stderr, "\n");
 	va_end(ap);
 }
+
+void 
+pwarn(const char *fmt, ...)
+{
+	va_list ap;
+	int sverrno;
+
+	sverrno = errno;
+	va_start(ap, fmt);
+
+	if (pkgname[0] == '\0')
+	    (void)fprintf(stderr, "%s: ", __progname);
+	else
+	    (void)fprintf(stderr, "%s(%s): ", __progname, pkgname);
+	if (fmt != NULL) {
+		(void)vfprintf(stderr, fmt, ap);
+		(void)fprintf(stderr, ": ");
+	}
+	(void)fprintf(stderr, "%s\n", strerror(sverrno));
+	(void)fprintf(stderr, "\n");
+	va_end(ap);
+}
-- 
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