diff options
Diffstat (limited to 'usr.sbin/pw/grupd.c')
-rw-r--r-- | usr.sbin/pw/grupd.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/usr.sbin/pw/grupd.c b/usr.sbin/pw/grupd.c new file mode 100644 index 0000000..753360d --- /dev/null +++ b/usr.sbin/pw/grupd.c @@ -0,0 +1,111 @@ +/*- + * Copyright (c) 1996 by David L. Nugent <davidn@blaze.net.au>. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer as + * the first lines of this file unmodified. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by David L. Nugent. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DAVID L. NUGENT ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <stdarg.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "pwupd.h" + +int +fmtgrentry(char *buf, struct group * grp, int type) +{ + int i, l; + + if (type == PWF_STANDARD) + l = sprintf(buf, "%s:*:%ld:", grp->gr_name, (long) grp->gr_gid); + else + l = sprintf(buf, "%s:%s:%ld:", grp->gr_name, grp->gr_passwd, (long) grp->gr_gid); + + /* + * Now, list members + */ + for (i = 0; i < 200 && grp->gr_mem[i]; i++) + l += sprintf(buf + l, "%s%s", i ? "," : "", grp->gr_mem[i]); + buf[l++] = '\n'; + buf[l] = '\0'; + return l; +} + + +int +fmtgrent(char *buf, struct group * grp) +{ + return fmtgrentry(buf, grp, PWF_STANDARD); +} + + +static int +gr_update(struct group * grp, char const * group, int mode) +{ + int l; + char pfx[32]; + char grbuf[MAXPWLINE]; + + endgrent(); + l = sprintf(pfx, "%s:", group); + + /* + * Update the group file + */ + if (grp == NULL) + *grbuf = '\0'; + else + fmtgrentry(grbuf, grp, PWF_PASSWD); + return fileupdate(_PATH_GROUP, 0644, grbuf, pfx, l, mode); +} + + +int +addgrent(struct group * grp) +{ + return gr_update(grp, grp->gr_name, UPD_CREATE); +} + +int +chggrent(char const * login, struct group * grp) +{ + return gr_update(grp, login, UPD_REPLACE); +} + +int +delgrent(struct group * grp) +{ + return gr_update(NULL, grp->gr_name, UPD_DELETE); +} |