/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
* Copyright (C) 1996
* David L. Nugent. All rights reserved.
*
#include <ctype.h>
#include <err.h>
-#include <termios.h>
-#include <stdbool.h>
-#include <unistd.h>
#include <grp.h>
#include <libutil.h>
+#include <paths.h>
+#include <string.h>
+#include <sysexits.h>
+#include <termios.h>
+#include <unistd.h>
#include "pw.h"
#include "bitmap.h"
-
static struct passwd *lookup_pwent(const char *user);
-static void delete_members(char ***members, int *grmembers, int *i,
- struct carg *arg, struct group *grp);
-static int print_group(struct group * grp);
-static gid_t gr_gidpolicy(struct userconf * cnf, long id);
+static void delete_members(struct group *grp, char *list);
+static int print_group(struct group * grp, bool pretty);
+static gid_t gr_gidpolicy(struct userconf * cnf, intmax_t id);
-int
-pw_group(int mode, char *name, long id, struct cargs * args)
+static void
+grp_set_passwd(struct group *grp, bool update, int fd, bool precrypted)
{
- int rc;
- struct carg *arg;
- struct group *grp = NULL;
- int grmembers = 0;
- char **members = NULL;
- struct userconf *cnf = conf.userconf;
-
- static struct group fakegroup =
- {
- "nogroup",
- "*",
- -1,
- NULL
- };
+ int b;
+ int istty;
+ struct termios t, n;
+ char *p, line[256];
- if (mode == M_LOCK || mode == M_UNLOCK)
- errx(EX_USAGE, "'lock' command is not available for groups");
+ if (fd == -1)
+ return;
- /*
- * With M_NEXT, we only need to return the
- * next gid to stdout
- */
- if (mode == M_NEXT) {
- gid_t next = gr_gidpolicy(cnf, id);
- if (getarg(args, 'q'))
- return next;
- printf("%u\n", next);
- return EXIT_SUCCESS;
+ if (fd == '-') {
+ grp->gr_passwd = "*"; /* No access */
+ return;
}
-
- if (mode == M_PRINT && getarg(args, 'a')) {
- SETGRENT();
- while ((grp = GETGRENT()) != NULL)
- print_group(grp);
- ENDGRENT();
- return EXIT_SUCCESS;
+
+ if ((istty = isatty(fd))) {
+ n = t;
+ /* Disable echo */
+ n.c_lflag &= ~(ECHO);
+ tcsetattr(fd, TCSANOW, &n);
+ printf("%sassword for group %s:", update ? "New p" : "P",
+ grp->gr_name);
+ fflush(stdout);
}
- if (id < 0 && name == NULL)
- errx(EX_DATAERR, "group name or id required");
-
- grp = (name != NULL) ? GETGRNAM(name) : GETGRGID(id);
-
- if (mode == M_UPDATE || mode == M_DELETE || mode == M_PRINT) {
- if (name == NULL && grp == NULL) /* Try harder */
- grp = GETGRGID(id);
-
- if (grp == NULL) {
- if (mode == M_PRINT && getarg(args, 'F')) {
- char *fmems[1];
- fmems[0] = NULL;
- fakegroup.gr_name = name ? name : "nogroup";
- fakegroup.gr_gid = (gid_t) id;
- fakegroup.gr_mem = fmems;
- return print_group(&fakegroup);
- }
- if (name == NULL)
- errx(EX_DATAERR, "unknown group `%s'", name);
- else
- errx(EX_DATAERR, "unknown group `%ld'", id);
- }
- if (name == NULL) /* Needed later */
- name = grp->gr_name;
-
- /*
- * Handle deletions now
- */
- if (mode == M_DELETE) {
- rc = delgrent(grp);
- if (rc == -1)
- err(EX_IOERR, "group '%s' not available (NIS?)",
- name);
- else if (rc != 0) {
- err(EX_IOERR, "group update");
- }
- pw_log(cnf, mode, W_GROUP, "%s(%ld) removed", name, id);
- return EXIT_SUCCESS;
- } else if (mode == M_PRINT)
- return print_group(grp);
-
- if (id > 0)
- grp->gr_gid = (gid_t) id;
-
- if (conf.newname != NULL)
- grp->gr_name = pw_checkname(conf.newname, 0);
- } else {
- if (name == NULL) /* Required */
- errx(EX_DATAERR, "group name required");
- else if (grp != NULL) /* Exists */
- errx(EX_DATAERR, "group name `%s' already exists", name);
-
- extendarray(&members, &grmembers, 200);
- members[0] = NULL;
- grp = &fakegroup;
- grp->gr_name = pw_checkname(name, 0);
- grp->gr_passwd = "*";
- grp->gr_gid = gr_gidpolicy(cnf, id);
- grp->gr_mem = members;
+ b = read(fd, line, sizeof(line) - 1);
+ if (istty) { /* Restore state */
+ tcsetattr(fd, TCSANOW, &t);
+ fputc('\n', stdout);
+ fflush(stdout);
}
+ if (b < 0)
+ err(EX_OSERR, "-h file descriptor");
+ line[b] = '\0';
+ if ((p = strpbrk(line, " \t\r\n")) != NULL)
+ *p = '\0';
+ if (!*line)
+ errx(EX_DATAERR, "empty password read on file descriptor %d",
+ conf.fd);
+ if (precrypted) {
+ if (strchr(line, ':') != 0)
+ errx(EX_DATAERR, "wrong encrypted passwrd");
+ grp->gr_passwd = line;
+ } else
+ grp->gr_passwd = pw_pwcrypt(line);
+}
- /*
- * This allows us to set a group password Group passwords is an
- * antique idea, rarely used and insecure (no secure database) Should
- * be discouraged, but it is apparently still supported by some
- * software.
- */
-
- if ((arg = getarg(args, 'h')) != NULL ||
- (arg = getarg(args, 'H')) != NULL) {
- if (strcmp(arg->val, "-") == 0)
- grp->gr_passwd = "*"; /* No access */
- else {
- int fd = atoi(arg->val);
- int precrypt = (arg->ch == 'H');
- int b;
- int istty = isatty(fd);
- struct termios t;
- char *p, line[256];
-
- if (istty) {
- if (tcgetattr(fd, &t) == -1)
- istty = 0;
- else {
- struct termios n = t;
-
- /* Disable echo */
- n.c_lflag &= ~(ECHO);
- tcsetattr(fd, TCSANOW, &n);
- printf("%sassword for group %s:", (mode == M_UPDATE) ? "New p" : "P", grp->gr_name);
- fflush(stdout);
- }
- }
- b = read(fd, line, sizeof(line) - 1);
- if (istty) { /* Restore state */
- tcsetattr(fd, TCSANOW, &t);
- fputc('\n', stdout);
- fflush(stdout);
- }
- if (b < 0)
- err(EX_OSERR, "-h file descriptor");
- line[b] = '\0';
- if ((p = strpbrk(line, " \t\r\n")) != NULL)
- *p = '\0';
- if (!*line)
- errx(EX_DATAERR, "empty password read on file descriptor %d", fd);
- if (precrypt) {
- if (strchr(line, ':') != NULL)
- return EX_DATAERR;
- grp->gr_passwd = line;
- } else
- grp->gr_passwd = pw_pwcrypt(line);
- }
- }
+int
+pw_groupnext(struct userconf *cnf, bool quiet)
+{
+ gid_t next = gr_gidpolicy(cnf, -1);
- if (((arg = getarg(args, 'M')) != NULL ||
- (arg = getarg(args, 'd')) != NULL ||
- (arg = getarg(args, 'm')) != NULL) && arg->val) {
- int i = 0;
- char *p;
- struct passwd *pwd;
-
- /* Make sure this is not stay NULL with -M "" */
- extendarray(&members, &grmembers, 200);
- if (arg->ch == 'd')
- delete_members(&members, &grmembers, &i, arg, grp);
- else if (arg->ch == 'm') {
- int k = 0;
-
- if (grp->gr_mem != NULL) {
- while (grp->gr_mem[k] != NULL) {
- if (extendarray(&members, &grmembers, i + 2) != -1)
- members[i++] = grp->gr_mem[k];
- k++;
- }
- }
- }
+ if (quiet)
+ return (next);
+ printf("%ju\n", (uintmax_t)next);
- if (arg->ch != 'd')
- for (p = strtok(arg->val, ", \t"); p != NULL; p = strtok(NULL, ", \t")) {
- int j;
-
- /*
- * Check for duplicates
- */
- pwd = lookup_pwent(p);
- for (j = 0; j < i && strcmp(members[j], pwd->pw_name) != 0; j++)
- ;
- if (j == i && extendarray(&members, &grmembers, i + 2) != -1)
- members[i++] = newstr(pwd->pw_name);
- }
- while (i < grmembers)
- members[i++] = NULL;
- grp->gr_mem = members;
- }
+ return (EXIT_SUCCESS);
+}
- if (conf.dryrun)
- return print_group(grp);
+static struct group *
+getgroup(char *name, intmax_t id, bool fatal)
+{
+ struct group *grp;
- if (mode == M_ADD && (rc = addgrent(grp)) != 0) {
- if (rc == -1)
- errx(EX_IOERR, "group '%s' already exists",
- grp->gr_name);
- else
- err(EX_IOERR, "group update");
- } else if (mode == M_UPDATE && (rc = chggrent(name, grp)) != 0) {
- if (rc == -1)
- errx(EX_IOERR, "group '%s' not available (NIS?)",
- grp->gr_name);
- else
- err(EX_IOERR, "group update");
+ if (id < 0 && name == NULL)
+ errx(EX_DATAERR, "groupname or id required");
+ grp = (name != NULL) ? GETGRNAM(name) : GETGRGID(id);
+ if (grp == NULL) {
+ if (!fatal)
+ return (NULL);
+ if (name == NULL)
+ errx(EX_DATAERR, "unknown gid `%ju'", id);
+ errx(EX_DATAERR, "unknown group `%s'", name);
}
-
- if (conf.newname != NULL)
- name = conf.newname;
- /* grp may have been invalidated */
- if ((grp = GETGRNAM(name)) == NULL)
- errx(EX_SOFTWARE, "group disappeared during update");
-
- pw_log(cnf, mode, W_GROUP, "%s(%u)", grp->gr_name, grp->gr_gid);
-
- free(members);
-
- return EXIT_SUCCESS;
+ return (grp);
}
-
/*
* Lookup a passwd entry using a name or UID.
*/
* Delete requested members from a group.
*/
static void
-delete_members(char ***members, int *grmembers, int *i, struct carg *arg,
- struct group *grp)
+delete_members(struct group *grp, char *list)
{
- bool matchFound;
- char *user;
- char *valueCopy;
- char *valuePtr;
+ char *p;
int k;
- struct passwd *pwd;
if (grp->gr_mem == NULL)
return;
- k = 0;
- while (grp->gr_mem[k] != NULL) {
- matchFound = false;
- if ((valueCopy = strdup(arg->val)) == NULL)
- errx(EX_UNAVAILABLE, "out of memory");
- valuePtr = valueCopy;
- while ((user = strsep(&valuePtr, ", \t")) != NULL) {
- pwd = lookup_pwent(user);
- if (strcmp(grp->gr_mem[k], pwd->pw_name) == 0) {
- matchFound = true;
+ for (p = strtok(list, ", \t"); p != NULL; p = strtok(NULL, ", \t")) {
+ for (k = 0; grp->gr_mem[k] != NULL; k++) {
+ if (strcmp(grp->gr_mem[k], p) == 0)
break;
- }
}
- free(valueCopy);
+ if (grp->gr_mem[k] == NULL) /* No match */
+ continue;
- if (!matchFound &&
- extendarray(members, grmembers, *i + 2) != -1)
- (*members)[(*i)++] = grp->gr_mem[k];
-
- k++;
+ for (; grp->gr_mem[k] != NULL; k++)
+ grp->gr_mem[k] = grp->gr_mem[k+1];
}
-
- return;
}
-
-static gid_t
-gr_gidpolicy(struct userconf * cnf, long id)
+static gid_t
+gr_gidpolicy(struct userconf * cnf, intmax_t id)
{
struct group *grp;
+ struct bitmap bm;
gid_t gid = (gid_t) - 1;
/*
gid = (gid_t) id;
if ((grp = GETGRGID(gid)) != NULL && conf.checkduplicate)
- errx(EX_DATAERR, "gid `%u' has already been allocated", grp->gr_gid);
- } else {
- struct bitmap bm;
-
- /*
- * We need to allocate the next available gid under one of
- * two policies a) Grab the first unused gid b) Grab the
- * highest possible unused gid
- */
- if (cnf->min_gid >= cnf->max_gid) { /* Sanity claus^H^H^H^Hheck */
- cnf->min_gid = 1000;
- cnf->max_gid = 32000;
- }
- bm = bm_alloc(cnf->max_gid - cnf->min_gid + 1);
+ errx(EX_DATAERR, "gid `%ju' has already been allocated",
+ (uintmax_t)grp->gr_gid);
+ return (gid);
+ }
- /*
- * Now, let's fill the bitmap from the password file
- */
- SETGRENT();
- while ((grp = GETGRENT()) != NULL)
- if ((gid_t)grp->gr_gid >= (gid_t)cnf->min_gid &&
- (gid_t)grp->gr_gid <= (gid_t)cnf->max_gid)
- bm_setbit(&bm, grp->gr_gid - cnf->min_gid);
- ENDGRENT();
+ /*
+ * We need to allocate the next available gid under one of
+ * two policies a) Grab the first unused gid b) Grab the
+ * highest possible unused gid
+ */
+ if (cnf->min_gid >= cnf->max_gid) { /* Sanity claus^H^H^H^Hheck */
+ cnf->min_gid = 1000;
+ cnf->max_gid = 32000;
+ }
+ bm = bm_alloc(cnf->max_gid - cnf->min_gid + 1);
- /*
- * Then apply the policy, with fallback to reuse if necessary
- */
- if (cnf->reuse_gids)
- gid = (gid_t) (bm_firstunset(&bm) + cnf->min_gid);
- else {
- gid = (gid_t) (bm_lastset(&bm) + 1);
- if (!bm_isset(&bm, gid))
- gid += cnf->min_gid;
- else
- gid = (gid_t) (bm_firstunset(&bm) + cnf->min_gid);
- }
+ /*
+ * Now, let's fill the bitmap from the password file
+ */
+ SETGRENT();
+ while ((grp = GETGRENT()) != NULL)
+ if ((gid_t)grp->gr_gid >= (gid_t)cnf->min_gid &&
+ (gid_t)grp->gr_gid <= (gid_t)cnf->max_gid)
+ bm_setbit(&bm, grp->gr_gid - cnf->min_gid);
+ ENDGRENT();
- /*
- * Another sanity check
- */
- if (gid < cnf->min_gid || gid > cnf->max_gid)
- errx(EX_SOFTWARE, "unable to allocate a new gid - range fully used");
- bm_dealloc(&bm);
+ /*
+ * Then apply the policy, with fallback to reuse if necessary
+ */
+ if (cnf->reuse_gids)
+ gid = (gid_t) (bm_firstunset(&bm) + cnf->min_gid);
+ else {
+ gid = (gid_t) (bm_lastset(&bm) + 1);
+ if (!bm_isset(&bm, gid))
+ gid += cnf->min_gid;
+ else
+ gid = (gid_t) (bm_firstunset(&bm) + cnf->min_gid);
}
- return gid;
-}
+ /*
+ * Another sanity check
+ */
+ if (gid < cnf->min_gid || gid > cnf->max_gid)
+ errx(EX_SOFTWARE, "unable to allocate a new gid - range fully "
+ "used");
+ bm_dealloc(&bm);
+ return (gid);
+}
static int
-print_group(struct group * grp)
+print_group(struct group * grp, bool pretty)
{
- if (!conf.pretty) {
- char *buf = NULL;
-
- buf = gr_make(grp);
- printf("%s\n", buf);
- free(buf);
- } else {
- int i;
+ char *buf = NULL;
+ int i;
+ if (pretty) {
printf("Group Name: %-15s #%lu\n"
" Members: ",
grp->gr_name, (long) grp->gr_gid);
printf("%s%s", i ? "," : "", grp->gr_mem[i]);
}
fputs("\n\n", stdout);
+ return (EXIT_SUCCESS);
+ }
+
+ buf = gr_make(grp);
+ printf("%s\n", buf);
+ free(buf);
+ return (EXIT_SUCCESS);
+}
+
+int
+pw_group_next(int argc, char **argv, char *arg1 __unused)
+{
+ struct userconf *cnf;
+ const char *cfg = NULL;
+ int ch;
+ bool quiet = false;
+
+ while ((ch = getopt(argc, argv, "C:q")) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ }
}
- return EXIT_SUCCESS;
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+ cnf = get_userconfig(cfg);
+ return (pw_groupnext(cnf, quiet));
+}
+
+int
+pw_group_show(int argc, char **argv, char *arg1)
+{
+ struct group *grp = NULL;
+ char *name = NULL;
+ intmax_t id = -1;
+ int ch;
+ bool all, force, quiet, pretty;
+
+ all = force = quiet = pretty = false;
+
+ struct group fakegroup = {
+ "nogroup",
+ "*",
+ -1,
+ NULL
+ };
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, GID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, "C:qn:g:FPa")) != -1) {
+ switch (ch) {
+ case 'C':
+ /* ignore compatibility */
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'g':
+ id = pw_checkid(optarg, GID_MAX);
+ break;
+ case 'F':
+ force = true;
+ break;
+ case 'P':
+ pretty = true;
+ break;
+ case 'a':
+ all = true;
+ break;
+ }
+ }
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+
+ if (all) {
+ SETGRENT();
+ while ((grp = GETGRENT()) != NULL)
+ print_group(grp, pretty);
+ ENDGRENT();
+ return (EXIT_SUCCESS);
+ }
+
+ grp = getgroup(name, id, !force);
+ if (grp == NULL)
+ grp = &fakegroup;
+
+ return (print_group(grp, pretty));
+}
+
+int
+pw_group_del(int argc, char **argv, char *arg1)
+{
+ struct userconf *cnf = NULL;
+ struct group *grp = NULL;
+ char *name;
+ const char *cfg = NULL;
+ intmax_t id = -1;
+ int ch, rc;
+ bool quiet = false;
+ bool nis = false;
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, GID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, "C:qn:g:Y")) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'g':
+ id = pw_checkid(optarg, GID_MAX);
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ }
+ }
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+ grp = getgroup(name, id, true);
+ cnf = get_userconfig(cfg);
+ rc = delgrent(grp);
+ if (rc == -1)
+ err(EX_IOERR, "group '%s' not available (NIS?)", name);
+ else if (rc != 0)
+ err(EX_IOERR, "group update");
+ pw_log(cnf, M_DELETE, W_GROUP, "%s(%ju) removed", name,
+ (uintmax_t)id);
+
+ if (nis && nis_update() == 0)
+ pw_log(cnf, M_DELETE, W_GROUP, "NIS maps updated");
+
+ return (EXIT_SUCCESS);
+}
+
+static bool
+grp_has_member(struct group *grp, const char *name)
+{
+ int j;
+
+ for (j = 0; grp->gr_mem != NULL && grp->gr_mem[j] != NULL; j++)
+ if (strcmp(grp->gr_mem[j], name) == 0)
+ return (true);
+ return (false);
+}
+
+static void
+grp_add_members(struct group **grp, char *members)
+{
+ struct passwd *pwd;
+ char *p;
+ char tok[] = ", \t";
+
+ if (members == NULL)
+ return;
+ for (p = strtok(members, tok); p != NULL; p = strtok(NULL, tok)) {
+ pwd = lookup_pwent(p);
+ if (grp_has_member(*grp, pwd->pw_name))
+ continue;
+ *grp = gr_add(*grp, pwd->pw_name);
+ }
+}
+
+int
+groupadd(struct userconf *cnf, char *name, gid_t id, char *members, int fd,
+ bool dryrun, bool pretty, bool precrypted)
+{
+ struct group *grp;
+ int rc;
+
+ struct group fakegroup = {
+ "nogroup",
+ "*",
+ -1,
+ NULL
+ };
+
+ grp = &fakegroup;
+ grp->gr_name = pw_checkname(name, 0);
+ grp->gr_passwd = "*";
+ grp->gr_gid = gr_gidpolicy(cnf, id);
+ grp->gr_mem = NULL;
+
+ /*
+ * This allows us to set a group password Group passwords is an
+ * antique idea, rarely used and insecure (no secure database) Should
+ * be discouraged, but it is apparently still supported by some
+ * software.
+ */
+ grp_set_passwd(grp, false, fd, precrypted);
+ grp_add_members(&grp, members);
+ if (dryrun)
+ return (print_group(grp, pretty));
+
+ if ((rc = addgrent(grp)) != 0) {
+ if (rc == -1)
+ errx(EX_IOERR, "group '%s' already exists",
+ grp->gr_name);
+ else
+ err(EX_IOERR, "group update");
+ }
+
+ pw_log(cnf, M_ADD, W_GROUP, "%s(%ju)", grp->gr_name,
+ (uintmax_t)grp->gr_gid);
+
+ return (EXIT_SUCCESS);
+}
+
+int
+pw_group_add(int argc, char **argv, char *arg1)
+{
+ struct userconf *cnf = NULL;
+ char *name = NULL;
+ char *members = NULL;
+ const char *cfg = NULL;
+ intmax_t id = -1;
+ int ch, rc, fd = -1;
+ bool quiet, precrypted, dryrun, pretty, nis;
+
+ quiet = precrypted = dryrun = pretty = nis = false;
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, GID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, "C:qn:g:h:H:M:oNPY")) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'g':
+ id = pw_checkid(optarg, GID_MAX);
+ break;
+ case 'H':
+ if (fd != -1)
+ errx(EX_USAGE, "'-h' and '-H' are mutually "
+ "exclusive options");
+ fd = pw_checkfd(optarg);
+ precrypted = true;
+ if (fd == '-')
+ errx(EX_USAGE, "-H expects a file descriptor");
+ break;
+ case 'h':
+ if (fd != -1)
+ errx(EX_USAGE, "'-h' and '-H' are mutually "
+ "exclusive options");
+ fd = pw_checkfd(optarg);
+ break;
+ case 'M':
+ members = optarg;
+ break;
+ case 'o':
+ conf.checkduplicate = false;
+ break;
+ case 'N':
+ dryrun = true;
+ break;
+ case 'P':
+ pretty = true;
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ }
+ }
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+ if (name == NULL)
+ errx(EX_DATAERR, "group name required");
+ if (GETGRNAM(name) != NULL)
+ errx(EX_DATAERR, "group name `%s' already exists", name);
+ cnf = get_userconfig(cfg);
+ rc = groupadd(cnf, name, gr_gidpolicy(cnf, id), members, fd, dryrun,
+ pretty, precrypted);
+ if (nis && rc == EXIT_SUCCESS && nis_update() == 0)
+ pw_log(cnf, M_ADD, W_GROUP, "NIS maps updated");
+
+ return (rc);
+}
+
+int
+pw_group_mod(int argc, char **argv, char *arg1)
+{
+ struct userconf *cnf;
+ struct group *grp = NULL;
+ const char *cfg = NULL;
+ char *oldmembers = NULL;
+ char *members = NULL;
+ char *newmembers = NULL;
+ char *newname = NULL;
+ char *name = NULL;
+ intmax_t id = -1;
+ int ch, rc, fd = -1;
+ bool quiet, pretty, dryrun, nis, precrypted;
+
+ quiet = pretty = dryrun = nis = precrypted = false;
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, GID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, "C:qn:d:g:l:h:H:M:m:NPY")) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'g':
+ id = pw_checkid(optarg, GID_MAX);
+ break;
+ case 'd':
+ oldmembers = optarg;
+ break;
+ case 'l':
+ newname = optarg;
+ break;
+ case 'H':
+ if (fd != -1)
+ errx(EX_USAGE, "'-h' and '-H' are mutually "
+ "exclusive options");
+ fd = pw_checkfd(optarg);
+ precrypted = true;
+ if (fd == '-')
+ errx(EX_USAGE, "-H expects a file descriptor");
+ break;
+ case 'h':
+ if (fd != -1)
+ errx(EX_USAGE, "'-h' and '-H' are mutually "
+ "exclusive options");
+ fd = pw_checkfd(optarg);
+ break;
+ case 'M':
+ members = optarg;
+ break;
+ case 'm':
+ newmembers = optarg;
+ break;
+ case 'N':
+ dryrun = true;
+ break;
+ case 'P':
+ pretty = true;
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ }
+ }
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+ cnf = get_userconfig(cfg);
+ grp = getgroup(name, id, true);
+ if (name == NULL)
+ name = grp->gr_name;
+ if (id > 0)
+ grp->gr_gid = id;
+
+ if (newname != NULL)
+ grp->gr_name = pw_checkname(newname, 0);
+
+ grp_set_passwd(grp, true, fd, precrypted);
+ /*
+ * Keep the same logic as old code for now:
+ * if -M is passed, -d and -m are ignored
+ * then id -d, -m is ignored
+ * last is -m
+ */
+
+ if (members) {
+ grp->gr_mem = NULL;
+ grp_add_members(&grp, members);
+ } else if (oldmembers) {
+ delete_members(grp, oldmembers);
+ } else if (newmembers) {
+ 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?)",
+ grp->gr_name);
+ else
+ err(EX_IOERR, "group update");
+ }
+
+ if (newname)
+ name = newname;
+
+ /* grp may have been invalidated */
+ if ((grp = GETGRNAM(name)) == NULL)
+ errx(EX_SOFTWARE, "group disappeared during update");
+
+ pw_log(cnf, M_UPDATE, W_GROUP, "%s(%ju)", grp->gr_name,
+ (uintmax_t)grp->gr_gid);
+
+ if (nis && nis_update() == 0)
+ pw_log(cnf, M_UPDATE, W_GROUP, "NIS maps updated");
+
+ return (EXIT_SUCCESS);
}
git.ckatri.com / pw-darwin.git / blobdiff