From 926db19a96ef2f0029e6f3d6bd6c1d5c5e7aeca3 Mon Sep 17 00:00:00 2001
From: Baptiste Daroussin <bapt@FreeBSD.org>
Date: Sun, 7 Jun 2015 15:09:53 +0000
Subject: Handle dryrun (-N) via global pwconf

---
 pw/pw.c       | 6 +++++-
 pw/pw_group.c | 2 +-
 pw/pw_user.c  | 8 +++-----
 pw/pwupd.h    | 2 ++
 4 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/pw/pw.c b/pw/pw.c
index 991019d..7a86680 100644
--- a/pw/pw.c
+++ b/pw/pw.c
@@ -132,6 +132,7 @@ main(int argc, char *argv[])
 
 	relocated = nis = false;
 	conf.rootdir[0] = '\0';
+	conf.dryrun = false;
 	strlcpy(conf.etcpath, _PATH_PWD, sizeof(conf.etcpath));
 
 	LIST_INIT(&arglist);
@@ -218,6 +219,9 @@ main(int argc, char *argv[])
 		case 'C':
 			config = optarg;
 			break;
+		case 'N':
+			conf.dryrun = true;
+			break;
 		case 'Y':
 			nis = true;
 			break;
@@ -231,7 +235,7 @@ main(int argc, char *argv[])
 	/*
 	 * Must be root to attempt an update
 	 */
-	if (geteuid() != 0 && mode != M_PRINT && mode != M_NEXT && getarg(&arglist, 'N')==NULL)
+	if (geteuid() != 0 && mode != M_PRINT && mode != M_NEXT && !conf.dryrun)
 		errx(EX_NOPERM, "you must be root to run this program");
 
 	/*
diff --git a/pw/pw_group.c b/pw/pw_group.c
index b57eab3..302d44e 100644
--- a/pw/pw_group.c
+++ b/pw/pw_group.c
@@ -258,7 +258,7 @@ pw_group(int mode, struct cargs * args)
 		grp->gr_mem = members;
 	}
 
-	if (getarg(args, 'N') != NULL)
+	if (conf.dryrun)
 		return print_group(grp, getarg(args, 'P') != NULL);
 
 	if (mode == M_ADD && (rc = addgrent(grp)) != 0) {
diff --git a/pw/pw_user.c b/pw/pw_user.c
index d69f56b..fac4d25 100644
--- a/pw/pw_user.c
+++ b/pw/pw_user.c
@@ -620,7 +620,7 @@ pw_user(int mode, struct cargs * args)
 	/*
 	 * Special case: -N only displays & exits
 	 */
-	if (getarg(args, 'N') != NULL)
+	if (conf.dryrun)
 		return print_user(pwd,
 				  getarg(args, 'P') != NULL,
 				  getarg(args, '7') != NULL);
@@ -872,9 +872,7 @@ pw_gidpolicy(struct cargs * args, char *nam, gid_t prefer)
 			snprintf(tmp, sizeof(tmp), "%u", prefer);
 			addarg(&grpargs, 'g', tmp);
 		}
-		if (getarg(args, 'N'))
-		{
-			addarg(&grpargs, 'N', NULL);
+		if (conf.dryrun) {
 			addarg(&grpargs, 'q', NULL);
 			gid = pw_group(M_NEXT, &grpargs);
 		}
@@ -1035,7 +1033,7 @@ pw_password(struct userconf * cnf, struct cargs * args, char const * user)
 		 * We give this information back to the user
 		 */
 		if (getarg(args, 'h') == NULL && getarg(args, 'H') == NULL &&
-		    getarg(args, 'N') == NULL) {
+		    !conf.dryrun) {
 			if (isatty(STDOUT_FILENO))
 				printf("Password for '%s' is: ", user);
 			printf("%s\n", pwbuf);
diff --git a/pw/pwupd.h b/pw/pwupd.h
index a5d6c27..ec9ac30 100644
--- a/pw/pwupd.h
+++ b/pw/pwupd.h
@@ -35,6 +35,7 @@
 
 #include <pwd.h>
 #include <grp.h>
+#include <stdbool.h>
 
 #if defined(__FreeBSD__)
 #define	RET_SETGRENT	int
@@ -82,6 +83,7 @@ struct userconf {
 struct pwconf {
 	char		 rootdir[MAXPATHLEN];
 	char		 etcpath[MAXPATHLEN];
+	bool		 dryrun;
 	struct userconf	*userconf;
 };
 
-- 
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