Allow 8-bit characters in the passwd gecos field, and adds a paragraph

to the mangpage explaining the consequences (to be updated at a later
date after login class conf support is added).

4 files changed, 37 insertions, 16 deletions

diff --git a/pw/pw.8 b/pw/pw.8
index 31e19d8..f0aa9f7 100644
--- a/pw/pw.8
+++ b/pw/pw.8
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$Id: pw.8,v 1.3 1996/12/10 00:21:28 joerg Exp $
+.\"	$Id: pw.8,v 1.4 1996/12/11 00:07:19 joerg Exp $
 .\"
 .Dd December 9, 1996
 .Dt PW 8
@@ -760,6 +760,26 @@ For a summary of options available with each command, you can use
 For example,
 .Dl pw useradd help
 lists all available options for the useradd operation.
+.Pp
+.Nm pw
+allows 8-bit characters in the passwd gecos field (user's full name,
+office, work and home phone number subfields), but disallows them in
+user login and group names.
+Use 8-bit characters with caution, as connection to the internet will
+require that your mail transport program supports 8BITMIME, and will
+convert headers containing 8-bit characters to 7-bit quoted-printable
+format.
+.Xr sendmail 8
+does support this.
+Use of 8-bit characters in the gecos field should be used in
+conjunction with the user's default locale and character set
+and should not be implemented without their use.
+Using 8-bit characters may also affect other
+programs that transmit the contents of the gecos field over the
+internet, such as
+.Xr fingerd 8 ,
+and a small number of tcpip clients, such as irc, where fullnames
+specified in the passwd file may be used by default.
 .Sh FILES
 .Bl -tag -width /etc/master.passwd.new -compact
 .It Pa /etc/master.passwd
diff --git a/pw/pw.h b/pw/pw.h
index c98f795..57c9bce 100644
--- a/pw/pw.h
+++ b/pw/pw.h
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: pw.h,v 1.1.1.2 1996/12/09 23:55:23 joerg Exp $
+ *	$Id: pw.h,v 1.1.1.3 1996/12/10 23:58:59 joerg Exp $
  */
 
 #include <stdio.h>
@@ -101,6 +101,7 @@ void cmderr(int ec, char const * fmt,...);
 
 int pw_user(struct userconf * cnf, int mode, struct cargs * _args);
 int pw_group(struct userconf * cnf, int mode, struct cargs * _args);
+char    *pw_checkname(u_char *name, int gecos);
 
 int addpwent(struct passwd * pwd);
 int delpwent(struct passwd * pwd);
diff --git a/pw/pw_group.c b/pw/pw_group.c
index 7bd99a1..8097297 100644
--- a/pw/pw_group.c
+++ b/pw/pw_group.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: pw_group.c,v 1.1.1.2 1996/12/09 23:55:25 joerg Exp $
+ *	$Id: pw_group.c,v 1.1.1.3 1996/12/10 23:59:01 joerg Exp $
  */
 
 #include <unistd.h>
@@ -119,7 +119,7 @@ pw_group(struct userconf * cnf, int mode, struct cargs * args)
 			grp->gr_gid = (gid_t) atoi(a_gid->val);
 
 		if ((arg = getarg(args, 'l')) != NULL)
-			grp->gr_name = arg->val;
+			grp->gr_name = pw_checkname((u_char *)arg->val, 0);
 	} else {
 		if (a_name == NULL)	/* Required */
 			cmderr(EX_DATAERR, "group name required\n");
@@ -128,7 +128,7 @@ pw_group(struct userconf * cnf, int mode, struct cargs * args)
 
 		memset(members, 0, sizeof members);
 		grp = &fakegroup;
-		grp->gr_name = a_name->val;
+		grp->gr_name = pw_checkname((u_char *)a_name->val, 0);
 		grp->gr_passwd = "*";
 		grp->gr_gid = gr_gidpolicy(cnf, args);
 		grp->gr_mem = members;
diff --git a/pw/pw_user.c b/pw/pw_user.c
index 2967190..dabf795 100644
--- a/pw/pw_user.c
+++ b/pw/pw_user.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: pw_user.c,v 1.4 1996/12/17 01:43:30 davidn Exp $
+ *	$Id: pw_user.c,v 1.5 1996/12/17 14:15:35 davidn Exp $
  */
 
 #include <unistd.h>
@@ -49,7 +49,6 @@ static time_t   pw_exppolicy(struct userconf * cnf, struct cargs * args);
 static char    *pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user);
 static char    *pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell);
 static char    *pw_password(struct userconf * cnf, struct cargs * args, char const * user);
-static char    *pw_checkname(char *name, int gecos);
 static char    *shell_path(char const * path, char *shells[], char *sh);
 static void     rmat(uid_t uid);
 
@@ -148,7 +147,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args)
 		cnf->default_group = newstr(grp->gr_name);
 	}
 	if ((arg = getarg(args, 'L')) != NULL)
-		cnf->default_class = pw_checkname(arg->val, 0);
+		cnf->default_class = pw_checkname((u_char *)arg->val, 0);
 
 	if ((arg = getarg(args, 'G')) != NULL && arg->val) {
 		int             i = 0;
@@ -204,7 +203,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args)
 		return EXIT_SUCCESS;
 	}
 	if ((a_name = getarg(args, 'n')) != NULL)
-		pwd = getpwnam(pw_checkname(a_name->val, 0));
+		pwd = getpwnam(pw_checkname((u_char *)a_name->val, 0));
 	a_uid = getarg(args, 'u');
 
 	if (a_uid == NULL) {
@@ -306,7 +305,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args)
 		if ((arg = getarg(args, 'l')) != NULL) {
 			if (strcmp(pwd->pw_name, "root") == 0)
 				cmderr(EX_DATAERR, "can't rename `root' account\n");
-			pwd->pw_name = pw_checkname(arg->val, 0);
+			pwd->pw_name = pw_checkname((u_char *)arg->val, 0);
 		}
 		if ((arg = getarg(args, 'u')) != NULL && isdigit(*arg->val)) {
 			pwd->pw_uid = (uid_t) atol(arg->val);
@@ -379,7 +378,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args)
 	 * Shared add/edit code
 	 */
 	if ((arg = getarg(args, 'c')) != NULL)
-		pwd->pw_gecos = pw_checkname(arg->val, 1);
+		pwd->pw_gecos = pw_checkname((u_char *)arg->val, 1);
 
 	if ((arg = getarg(args, 'h')) != NULL) {
 		if (strcmp(arg->val, "-") == 0)
@@ -933,15 +932,16 @@ print_user(struct passwd * pwd, int pretty)
 	return EXIT_SUCCESS;
 }
 
-static char    *
-pw_checkname(char *name, int gecos)
+char    *
+pw_checkname(u_char *name, int gecos)
 {
 	int             l = 0;
 	char const     *notch = gecos ? ":" : " ,\t:+-&#%$^()!@~*?<>=|\\/\"";
 
 	while (name[l]) {
-		if (strchr(notch, name[l]) != NULL || name[l] < ' ' || name[l] > 126)
-			cmderr(EX_DATAERR, (name[l]<' ' || (unsigned char)name[l] > 126)
+		if (strchr(notch, name[l]) != NULL || name[l] < ' ' ||
+			name[l] == 127 || (!gecos && name[l] & 0x80))	/* 8-bit */
+			cmderr(EX_DATAERR, (name[l]<' ' || name[l] > 126)
 					    ? "invalid character `%c' in field\n"
 					    : "invalid character 0x$02x in field\n",
 					    name[l]);
@@ -949,7 +949,7 @@ pw_checkname(char *name, int gecos)
 	}
 	if (!gecos && l > MAXLOGNAME)
 		cmderr(EX_DATAERR, "name too long `%s'\n", name);
-	return name;
+	return (char *)name;
 }