MFH r289384-r293170

Sponsored by:	The FreeBSD Foundation

4 files changed, 24 insertions, 14 deletions

diff --git a/pw/pw_conf.c b/pw/pw_conf.c
index e9606b4..d30c80e 100644
--- a/pw/pw_conf.c
+++ b/pw/pw_conf.c
@@ -313,7 +313,7 @@ read_userconfig(char const * file)
 					? NULL : newstr(q);
 				break;
 			case _UC_EXTRAGROUPS:
-				for (i = 0; q != NULL; q = strtok(NULL, toks)) {
+				while ((q = strtok(NULL, toks)) != NULL) {
 					if (config.groups == NULL)
 						config.groups = sl_init();
 					sl_add(config.groups, newstr(q));
diff --git a/pw/pw_group.c b/pw/pw_group.c
index 711ef68..289a4c8 100644
--- a/pw/pw_group.c
+++ b/pw/pw_group.c
@@ -259,7 +259,7 @@ pw_group_next(int argc, char **argv, char *arg1 __unused)
 	struct userconf *cnf;
 	const char *cfg = NULL;
 	int ch;
-	bool quiet;
+	bool quiet = false;
 
 	while ((ch = getopt(argc, argv, "Cq")) != -1) {
 		switch (ch) {
@@ -664,6 +664,11 @@ pw_group_mod(int argc, char **argv, char *arg1)
 		grp_add_members(&grp, newmembers);
 	}
 
+	if (dryrun) {
+		print_group(grp, pretty);
+		return (EXIT_SUCCESS);
+	}
+
 	if ((rc = chggrent(name, grp)) != 0) {
 		if (rc == -1)
 			errx(EX_IOERR, "group '%s' not available (NIS?)",
diff --git a/pw/pw_user.c b/pw/pw_user.c
index 1af8f81..30a2749 100644
--- a/pw/pw_user.c
+++ b/pw/pw_user.c
@@ -107,8 +107,10 @@ mkdir_home_parents(int dfd, const char *dir)
 		errx(EX_UNAVAILABLE, "out of memory");
 
 	tmp = strrchr(dirs, '/');
-	if (tmp == NULL)
+	if (tmp == NULL) {
+		free(dirs);
 		return;
+	}
 	tmp[0] = '\0';
 
 	/*
@@ -272,7 +274,7 @@ pw_userlock(char *arg1, int mode)
 	char *passtmp = NULL;
 	char *name;
 	bool locked = false;
-	uid_t id;
+	uid_t id = (uid_t)-1;
 
 	if (geteuid() != 0)
 		errx(EX_NOPERM, "you must be root");
@@ -280,15 +282,19 @@ pw_userlock(char *arg1, int mode)
 	if (arg1 == NULL)
 		errx(EX_DATAERR, "username or id required");
 
-	if (arg1[strspn(arg1, "0123456789")] == '\0')
-		id = pw_checkid(arg1, UID_MAX);
-	else
-		name = arg1;
+	name = arg1;
+	if (arg1[strspn(name, "0123456789")] == '\0')
+		id = pw_checkid(name, UID_MAX);
 
-	pwd = (name != NULL) ? GETPWNAM(pw_checkname(name, 0)) : GETPWUID(id);
+	pwd = GETPWNAM(pw_checkname(name, 0));
+	if (pwd == NULL && id != (uid_t)-1) {
+		pwd = GETPWUID(id);
+		if (pwd != NULL)
+			name = pwd->pw_name;
+	}
 	if (pwd == NULL) {
-		if (name == NULL)
-			errx(EX_NOUSER, "no such uid `%ju'", (uintmax_t) id);
+		if (id == (uid_t)-1)
+			errx(EX_NOUSER, "no such name or uid `%ju'", (uintmax_t) id);
 		errx(EX_NOUSER, "no such user `%s'", name);
 	}
 
@@ -636,7 +642,8 @@ pw_checkname(char *name, int gecos)
 	}
 	if (!reject) {
 		while (*ch) {
-			if (strchr(badchars, *ch) != NULL || *ch < ' ' ||
+			if (strchr(badchars, *ch) != NULL ||
+			    (!gecos && *ch < ' ') ||
 			    *ch == 127) {
 				reject = 1;
 				break;
diff --git a/pw/pw_vpw.c b/pw/pw_vpw.c
index a23c66e..2d1c75b 100644
--- a/pw/pw_vpw.c
+++ b/pw/pw_vpw.c
@@ -70,7 +70,6 @@ vnextpwent(char const *nam, uid_t uid, int doclose)
 	pw = NULL;
 	line = NULL;
 	linecap = 0;
-	linelen = 0;
 
 	if (pwd_fp != NULL || (pwd_fp = fopen(getpwpath(_MASTERPASSWD), "r")) != NULL) {
 		while ((linelen = getline(&line, &linecap, pwd_fp)) > 0) {
@@ -153,7 +152,6 @@ vnextgrent(char const *nam, gid_t gid, int doclose)
 	gr = NULL;
 	line = NULL;
 	linecap = 0;
-	linelen = 0;
 
 	if (grp_fp != NULL || (grp_fp = fopen(getgrpath(_GROUP), "r")) != NULL) {
 		while ((linelen = getline(&line, &linecap, grp_fp)) > 0) {