"$FreeBSD$";
#endif /* not lint */
+#include <sys/param.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
#include <ctype.h>
+#include <dirent.h>
#include <err.h>
+#include <errno.h>
#include <fcntl.h>
-#include <sys/param.h>
-#include <dirent.h>
+#include <grp.h>
+#include <pwd.h>
+#include <libutil.h>
+#include <login_cap.h>
#include <paths.h>
+#include <string.h>
+#include <sysexits.h>
#include <termios.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
#include <unistd.h>
-#include <login_cap.h>
-#include <pwd.h>
-#include <grp.h>
-#include <libutil.h>
+
#include "pw.h"
#include "bitmap.h"
+#include "psdate.h"
#define LOGNAMESIZE (MAXLOGNAME-1)
static char locked_str[] = "*LOCKED*";
-static int print_user(struct passwd * pwd, int pretty, int v7);
-static uid_t pw_uidpolicy(struct userconf * cnf, struct cargs * args);
-static uid_t pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer);
-static time_t pw_pwdpolicy(struct userconf * cnf, struct cargs * args);
-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 *shell_path(char const * path, char *shells[], char *sh);
-static void rmat(uid_t uid);
-static void rmopie(char const * name);
+static struct passwd fakeuser = {
+ "nouser",
+ "*",
+ -1,
+ -1,
+ 0,
+ "",
+ "User &",
+ "/nonexistent",
+ "/bin/sh",
+ 0,
+ 0
+};
+
+static int print_user(struct passwd *pwd, bool pretty, bool v7);
+static uid_t pw_uidpolicy(struct userconf *cnf, intmax_t id);
+static uid_t pw_gidpolicy(struct userconf *cnf, char *grname, char *nam,
+ gid_t prefer, bool dryrun);
+static char *pw_homepolicy(struct userconf * cnf, char *homedir,
+ const char *user);
+static char *pw_shellpolicy(struct userconf * cnf);
+static char *pw_password(struct userconf * cnf, char const * user,
+ bool dryrun);
+static char *shell_path(char const * path, char *shells[], char *sh);
+static void rmat(uid_t uid);
+static void rmopie(char const * name);
-/*-
- * -C config configuration file
- * -q quiet operation
- * -n name login name
- * -u uid user id
- * -c comment user name/comment
- * -d directory home directory
- * -e date account expiry date
- * -p date password expiry date
- * -g grp primary group
- * -G grp1,grp2 additional groups
- * -m [ -k dir ] create and set up home
- * -s shell name of login shell
- * -o duplicate uid ok
- * -L class user class
- * -l name new login name
- * -h fd password filehandle
- * -H fd encrypted password filehandle
- * -F force print or add
- * Setting defaults:
- * -D set user defaults
- * -b dir default home root dir
- * -e period default expiry period
- * -p period default password change period
- * -g group default group
- * -G grp1,grp2.. default additional groups
- * -L class default login class
- * -k dir default home skeleton
- * -s shell default shell
- * -w method default password method
- */
-
-int
-pw_user(struct userconf * cnf, int mode, struct cargs * args)
+static void
+mkdir_home_parents(int dfd, const char *dir)
{
- int rc, edited = 0;
- char *p = NULL;
- char *passtmp;
- struct carg *a_name;
- struct carg *a_uid;
- struct carg *arg;
- struct passwd *pwd = NULL;
- struct group *grp;
- struct stat st;
- char line[_PASSWORD_LEN+1];
- FILE *fp;
- char *dmode_c;
- void *set = NULL;
-
- static struct passwd fakeuser =
- {
- NULL,
- "*",
- -1,
- -1,
- 0,
- "",
- "User &",
- "/nonexistent",
- "/bin/sh",
- 0
-#if defined(__FreeBSD__)
- ,0
-#endif
- };
+ struct stat st;
+ char *dirs, *tmp;
+ if (*dir != '/')
+ errx(EX_DATAERR, "invalid base directory for home '%s'", dir);
- /*
- * With M_NEXT, we only need to return the
- * next uid to stdout
- */
- if (mode == M_NEXT)
- {
- uid_t next = pw_uidpolicy(cnf, args);
- if (getarg(args, 'q'))
- return next;
- printf("%ld:", (long)next);
- pw_group(cnf, mode, args);
- return EXIT_SUCCESS;
- }
-
- /*
- * We can do all of the common legwork here
- */
+ dir++;
- if ((arg = getarg(args, 'b')) != NULL) {
- cnf->home = arg->val;
+ if (fstatat(dfd, dir, &st, 0) != -1) {
+ if (S_ISDIR(st.st_mode))
+ return;
+ errx(EX_OSFILE, "root home `/%s' is not a directory", dir);
}
- if ((arg = getarg(args, 'M')) != NULL) {
- dmode_c = arg->val;
- if ((set = setmode(dmode_c)) == NULL)
- errx(EX_DATAERR, "invalid directory creation mode '%s'",
- dmode_c);
- cnf->homemode = getmode(set, _DEF_DIRMODE);
- free(set);
+ dirs = strdup(dir);
+ if (dirs == NULL)
+ errx(EX_UNAVAILABLE, "out of memory");
+
+ tmp = strrchr(dirs, '/');
+ if (tmp == NULL) {
+ free(dirs);
+ return;
}
+ tmp[0] = '\0';
/*
- * If we'll need to use it or we're updating it,
- * then create the base home directory if necessary
+ * This is a kludge especially for Joerg :)
+ * If the home directory would be created in the root partition, then
+ * we really create it under /usr which is likely to have more space.
+ * But we create a symlink from cnf->home -> "/usr" -> cnf->home
*/
- if (arg != NULL || getarg(args, 'm') != NULL) {
- int l = strlen(cnf->home);
-
- if (l > 1 && cnf->home[l-1] == '/') /* Shave off any trailing path delimiter */
- cnf->home[--l] = '\0';
-
- if (l < 2 || *cnf->home != '/') /* Check for absolute path name */
- errx(EX_DATAERR, "invalid base directory for home '%s'", cnf->home);
-
- if (stat(cnf->home, &st) == -1) {
- char dbuf[MAXPATHLEN];
-
- /*
- * This is a kludge especially for Joerg :)
- * If the home directory would be created in the root partition, then
- * we really create it under /usr which is likely to have more space.
- * But we create a symlink from cnf->home -> "/usr" -> cnf->home
- */
- if (strchr(cnf->home+1, '/') == NULL) {
- strcpy(dbuf, "/usr");
- strncat(dbuf, cnf->home, MAXPATHLEN-5);
- if (mkdir(dbuf, _DEF_DIRMODE) != -1 || errno == EEXIST) {
- chown(dbuf, 0, 0);
- /*
- * Skip first "/" and create symlink:
- * /home -> usr/home
- */
- symlink(dbuf+1, cnf->home);
- }
- /* If this falls, fall back to old method */
- }
- strlcpy(dbuf, cnf->home, sizeof(dbuf));
- p = dbuf;
- if (stat(dbuf, &st) == -1) {
- while ((p = strchr(p + 1, '/')) != NULL) {
- *p = '\0';
- if (stat(dbuf, &st) == -1) {
- if (mkdir(dbuf, _DEF_DIRMODE) == -1)
- goto direrr;
- chown(dbuf, 0, 0);
- } else if (!S_ISDIR(st.st_mode))
- errx(EX_OSFILE, "'%s' (root home parent) is not a directory", dbuf);
- *p = '/';
- }
- }
- if (stat(dbuf, &st) == -1) {
- if (mkdir(dbuf, _DEF_DIRMODE) == -1) {
- direrr: err(EX_OSFILE, "mkdir '%s'", dbuf);
- }
- chown(dbuf, 0, 0);
- }
- } else if (!S_ISDIR(st.st_mode))
- errx(EX_OSFILE, "root home `%s' is not a directory", cnf->home);
- }
-
- if ((arg = getarg(args, 'e')) != NULL)
- cnf->expire_days = atoi(arg->val);
-
- if ((arg = getarg(args, 'y')) != NULL)
- cnf->nispasswd = arg->val;
-
- if ((arg = getarg(args, 'p')) != NULL && arg->val)
- cnf->password_days = atoi(arg->val);
-
- if ((arg = getarg(args, 'g')) != NULL) {
- if (!*(p = arg->val)) /* Handle empty group list specially */
- cnf->default_group = "";
- else {
- if ((grp = GETGRNAM(p)) == NULL) {
- if (!isdigit((unsigned char)*p) || (grp = GETGRGID((gid_t) atoi(p))) == NULL)
- errx(EX_NOUSER, "group `%s' does not exist", p);
- }
- cnf->default_group = newstr(grp->gr_name);
+ if (strchr(dirs, '/') == NULL) {
+ asprintf(&tmp, "usr/%s", dirs);
+ if (tmp == NULL)
+ errx(EX_UNAVAILABLE, "out of memory");
+ if (mkdirat(dfd, tmp, _DEF_DIRMODE) != -1 || errno == EEXIST) {
+ fchownat(dfd, tmp, 0, 0, 0);
+ symlinkat(tmp, dfd, dirs);
}
+ free(tmp);
}
- if ((arg = getarg(args, 'L')) != NULL)
- cnf->default_class = pw_checkname((u_char *)arg->val, 0);
-
- if ((arg = getarg(args, 'G')) != NULL && arg->val) {
- int i = 0;
-
- for (p = strtok(arg->val, ", \t"); p != NULL; p = strtok(NULL, ", \t")) {
- if ((grp = GETGRNAM(p)) == NULL) {
- if (!isdigit((unsigned char)*p) || (grp = GETGRGID((gid_t) atoi(p))) == NULL)
- errx(EX_NOUSER, "group `%s' does not exist", p);
+ tmp = dirs;
+ if (fstatat(dfd, dirs, &st, 0) == -1) {
+ while ((tmp = strchr(tmp + 1, '/')) != NULL) {
+ *tmp = '\0';
+ if (fstatat(dfd, dirs, &st, 0) == -1) {
+ if (mkdirat(dfd, dirs, _DEF_DIRMODE) == -1)
+ err(EX_OSFILE, "'%s' (root home parent) is not a directory", dirs);
}
- if (extendarray(&cnf->groups, &cnf->numgroups, i + 2) != -1)
- cnf->groups[i++] = newstr(grp->gr_name);
+ *tmp = '/';
}
- while (i < cnf->numgroups)
- cnf->groups[i++] = NULL;
}
-
- if ((arg = getarg(args, 'k')) != NULL) {
- if (stat(cnf->dotdir = arg->val, &st) == -1 || !S_ISDIR(st.st_mode))
- errx(EX_OSFILE, "skeleton `%s' is not a directory or does not exist", cnf->dotdir);
+ if (fstatat(dfd, dirs, &st, 0) == -1) {
+ if (mkdirat(dfd, dirs, _DEF_DIRMODE) == -1)
+ err(EX_OSFILE, "'%s' (root home parent) is not a directory", dirs);
+ fchownat(dfd, dirs, 0, 0, 0);
}
- if ((arg = getarg(args, 's')) != NULL)
- cnf->shell_default = arg->val;
+ free(dirs);
+}
- if ((arg = getarg(args, 'w')) != NULL)
- cnf->default_password = boolean_val(arg->val, cnf->default_password);
- if (mode == M_ADD && getarg(args, 'D')) {
- if (getarg(args, 'n') != NULL)
- errx(EX_DATAERR, "can't combine `-D' with `-n name'");
- if ((arg = getarg(args, 'u')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) {
- if ((cnf->min_uid = (uid_t) atoi(p)) == 0)
- cnf->min_uid = 1000;
- if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_uid = (uid_t) atoi(p)) < cnf->min_uid)
- cnf->max_uid = 32000;
- }
- if ((arg = getarg(args, 'i')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) {
- if ((cnf->min_gid = (gid_t) atoi(p)) == 0)
- cnf->min_gid = 1000;
- if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_gid = (gid_t) atoi(p)) < cnf->min_gid)
- cnf->max_gid = 32000;
- }
+static void
+create_and_populate_homedir(struct userconf *cnf, struct passwd *pwd,
+ const char *skeldir, mode_t homemode, bool update)
+{
+ int skelfd = -1;
- arg = getarg(args, 'C');
- if (write_userconfig(arg ? arg->val : NULL))
- return EXIT_SUCCESS;
- warn("config update");
- return EX_IOERR;
- }
+ /* Create home parents directories */
+ mkdir_home_parents(conf.rootfd, pwd->pw_dir);
- if (mode == M_PRINT && getarg(args, 'a')) {
- int pretty = getarg(args, 'P') != NULL;
- int v7 = getarg(args, '7') != NULL;
- SETPWENT();
- while ((pwd = GETPWENT()) != NULL)
- print_user(pwd, pretty, v7);
- ENDPWENT();
- return EXIT_SUCCESS;
+ if (skeldir != NULL && *skeldir != '\0') {
+ if (*skeldir == '/')
+ skeldir++;
+ skelfd = openat(conf.rootfd, skeldir, O_DIRECTORY|O_CLOEXEC);
}
- if ((a_name = getarg(args, 'n')) != NULL)
- pwd = GETPWNAM(pw_checkname((u_char *)a_name->val, 0));
- a_uid = getarg(args, 'u');
-
- if (a_uid == NULL) {
- if (a_name == NULL)
- errx(EX_DATAERR, "user name or id required");
+ copymkdir(conf.rootfd, pwd->pw_dir, skelfd, homemode, pwd->pw_uid,
+ pwd->pw_gid, 0);
+ pw_log(cnf, update ? M_UPDATE : M_ADD, W_USER, "%s(%ju) home %s made",
+ pwd->pw_name, (uintmax_t)pwd->pw_uid, pwd->pw_dir);
+}
- /*
- * Determine whether 'n' switch is name or uid - we don't
- * really don't really care which we have, but we need to
- * know.
- */
- if (mode != M_ADD && pwd == NULL
- && strspn(a_name->val, "0123456789") == strlen(a_name->val)
- && *a_name->val) {
- (a_uid = a_name)->ch = 'u';
- a_name = NULL;
+static int
+pw_set_passwd(struct passwd *pwd, int fd, bool precrypted, bool update)
+{
+ int b, istty;
+ struct termios t, n;
+ login_cap_t *lc;
+ char line[_PASSWORD_LEN+1];
+ char *p;
+
+ if (fd == '-') {
+ if (!pwd->pw_passwd || *pwd->pw_passwd != '*') {
+ pwd->pw_passwd = "*"; /* No access */
+ return (1);
}
+ return (0);
}
- /*
- * Update, delete & print require that the user exists
- */
- if (mode == M_UPDATE || mode == M_DELETE ||
- mode == M_PRINT || mode == M_LOCK || mode == M_UNLOCK) {
-
- if (a_name == NULL && pwd == NULL) /* Try harder */
- pwd = GETPWUID(atoi(a_uid->val));
-
- if (pwd == NULL) {
- if (mode == M_PRINT && getarg(args, 'F')) {
- fakeuser.pw_name = a_name ? a_name->val : "nouser";
- fakeuser.pw_uid = a_uid ? (uid_t) atol(a_uid->val) : -1;
- return print_user(&fakeuser,
- getarg(args, 'P') != NULL,
- getarg(args, '7') != NULL);
- }
- if (a_name == NULL)
- errx(EX_NOUSER, "no such uid `%s'", a_uid->val);
- errx(EX_NOUSER, "no such user `%s'", a_name->val);
- }
-
- if (a_name == NULL) /* May be needed later */
- a_name = addarg(args, 'n', newstr(pwd->pw_name));
-
- /*
- * The M_LOCK and M_UNLOCK functions simply add or remove
- * a "*LOCKED*" prefix from in front of the password to
- * prevent it decoding correctly, and therefore prevents
- * access. Of course, this only prevents access via
- * password authentication (not ssh, kerberos or any
- * other method that does not use the UNIX password) but
- * that is a known limitation.
- */
-
- if (mode == M_LOCK) {
- if (strncmp(pwd->pw_passwd, locked_str, sizeof(locked_str)-1) == 0)
- errx(EX_DATAERR, "user '%s' is already locked", pwd->pw_name);
- passtmp = malloc(strlen(pwd->pw_passwd) + sizeof(locked_str));
- if (passtmp == NULL) /* disaster */
- errx(EX_UNAVAILABLE, "out of memory");
- strcpy(passtmp, locked_str);
- strcat(passtmp, pwd->pw_passwd);
- pwd->pw_passwd = passtmp;
- edited = 1;
- } else if (mode == M_UNLOCK) {
- if (strncmp(pwd->pw_passwd, locked_str, sizeof(locked_str)-1) != 0)
- errx(EX_DATAERR, "user '%s' is not locked", pwd->pw_name);
- pwd->pw_passwd += sizeof(locked_str)-1;
- edited = 1;
- } else if (mode == M_DELETE) {
- /*
- * Handle deletions now
- */
- char file[MAXPATHLEN];
- char home[MAXPATHLEN];
- uid_t uid = pwd->pw_uid;
- struct group *gr;
- char grname[LOGNAMESIZE];
-
- if (strcmp(pwd->pw_name, "root") == 0)
- errx(EX_DATAERR, "cannot remove user 'root'");
-
- if (!PWALTDIR()) {
- /*
- * Remove opie record from /etc/opiekeys
- */
-
- rmopie(pwd->pw_name);
-
- /*
- * Remove crontabs
- */
- snprintf(file, sizeof(file), "/var/cron/tabs/%s", pwd->pw_name);
- if (access(file, F_OK) == 0) {
- sprintf(file, "crontab -u %s -r", pwd->pw_name);
- system(file);
- }
- }
- /*
- * Save these for later, since contents of pwd may be
- * invalidated by deletion
- */
- sprintf(file, "%s/%s", _PATH_MAILDIR, pwd->pw_name);
- strlcpy(home, pwd->pw_dir, sizeof(home));
- gr = GETGRGID(pwd->pw_gid);
- if (gr != NULL)
- strlcpy(grname, gr->gr_name, LOGNAMESIZE);
- else
- grname[0] = '\0';
-
- rc = delpwent(pwd);
- if (rc == -1)
- err(EX_IOERR, "user '%s' does not exist", pwd->pw_name);
- else if (rc != 0) {
- warn("passwd update");
- return EX_IOERR;
- }
-
- if (cnf->nispasswd && *cnf->nispasswd=='/') {
- rc = delnispwent(cnf->nispasswd, a_name->val);
- if (rc == -1)
- warnx("WARNING: user '%s' does not exist in NIS passwd", pwd->pw_name);
- else if (rc != 0)
- warn("WARNING: NIS passwd update");
- /* non-fatal */
- }
-
- grp = GETGRNAM(a_name->val);
- if (grp != NULL &&
- (grp->gr_mem == NULL || *grp->gr_mem == NULL) &&
- strcmp(a_name->val, grname) == 0)
- delgrent(GETGRNAM(a_name->val));
- SETGRENT();
- while ((grp = GETGRENT()) != NULL) {
- int i;
- char group[MAXLOGNAME];
- if (grp->gr_mem != NULL) {
- for (i = 0; grp->gr_mem[i] != NULL; i++) {
- if (!strcmp(grp->gr_mem[i], a_name->val)) {
- while (grp->gr_mem[i] != NULL) {
- grp->gr_mem[i] = grp->gr_mem[i+1];
- }
- strlcpy(group, grp->gr_name, MAXLOGNAME);
- chggrent(group, grp);
- }
- }
- }
- }
- ENDGRENT();
-
- pw_log(cnf, mode, W_USER, "%s(%ld) account removed", a_name->val, (long) uid);
-
- if (!PWALTDIR()) {
- /*
- * Remove mail file
- */
- remove(file);
-
- /*
- * Remove at jobs
- */
- if (getpwuid(uid) == NULL)
- rmat(uid);
-
- /*
- * Remove home directory and contents
- */
- if (getarg(args, 'r') != NULL && *home == '/' && getpwuid(uid) == NULL) {
- if (stat(home, &st) != -1) {
- rm_r(home, uid);
- pw_log(cnf, mode, W_USER, "%s(%ld) home '%s' %sremoved",
- a_name->val, (long) uid, home,
- stat(home, &st) == -1 ? "" : "not completely ");
- }
- }
- }
- return EXIT_SUCCESS;
- } else if (mode == M_PRINT)
- return print_user(pwd,
- getarg(args, 'P') != NULL,
- getarg(args, '7') != NULL);
-
- /*
- * The rest is edit code
- */
- if ((arg = getarg(args, 'l')) != NULL) {
- if (strcmp(pwd->pw_name, "root") == 0)
- errx(EX_DATAERR, "can't rename `root' account");
- pwd->pw_name = pw_checkname((u_char *)arg->val, 0);
- edited = 1;
- }
-
- if ((arg = getarg(args, 'u')) != NULL && isdigit((unsigned char)*arg->val)) {
- pwd->pw_uid = (uid_t) atol(arg->val);
- edited = 1;
- if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0)
- errx(EX_DATAERR, "can't change uid of `root' account");
- if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
- warnx("WARNING: account `%s' will have a uid of 0 (superuser access!)", pwd->pw_name);
- }
-
- if ((arg = getarg(args, 'g')) != NULL && pwd->pw_uid != 0) { /* Already checked this */
- gid_t newgid = (gid_t) GETGRNAM(cnf->default_group)->gr_gid;
- if (newgid != pwd->pw_gid) {
- edited = 1;
- pwd->pw_gid = newgid;
- }
- }
-
- if ((arg = getarg(args, 'p')) != NULL) {
- if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) {
- if (pwd->pw_change != 0) {
- pwd->pw_change = 0;
- edited = 1;
- }
- }
- else {
- time_t now = time(NULL);
- time_t expire = parse_date(now, arg->val);
-
- if (pwd->pw_change != expire) {
- pwd->pw_change = expire;
- edited = 1;
- }
- }
- }
-
- if ((arg = getarg(args, 'e')) != NULL) {
- if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) {
- if (pwd->pw_expire != 0) {
- pwd->pw_expire = 0;
- edited = 1;
- }
- }
- else {
- time_t now = time(NULL);
- time_t expire = parse_date(now, arg->val);
-
- if (pwd->pw_expire != expire) {
- pwd->pw_expire = expire;
- edited = 1;
- }
- }
- }
-
- if ((arg = getarg(args, 's')) != NULL) {
- char *shell = shell_path(cnf->shelldir, cnf->shells, arg->val);
- if (shell == NULL)
- shell = "";
- if (strcmp(shell, pwd->pw_shell) != 0) {
- pwd->pw_shell = shell;
- edited = 1;
- }
- }
-
- if (getarg(args, 'L')) {
- if (cnf->default_class == NULL)
- cnf->default_class = "";
- if (strcmp(pwd->pw_class, cnf->default_class) != 0) {
- pwd->pw_class = cnf->default_class;
- edited = 1;
- }
- }
-
- if ((arg = getarg(args, 'd')) != NULL) {
- if (strcmp(pwd->pw_dir, arg->val))
- edited = 1;
- if (stat(pwd->pw_dir = arg->val, &st) == -1) {
- if (getarg(args, 'm') == NULL && strcmp(pwd->pw_dir, "/nonexistent") != 0)
- warnx("WARNING: home `%s' does not exist", pwd->pw_dir);
- } else if (!S_ISDIR(st.st_mode))
- warnx("WARNING: home `%s' is not a directory", pwd->pw_dir);
- }
-
- if ((arg = getarg(args, 'w')) != NULL &&
- getarg(args, 'h') == NULL && getarg(args, 'H') == NULL) {
- login_cap_t *lc;
-
- lc = login_getpwclass(pwd);
- if (lc == NULL ||
- login_setcryptfmt(lc, "sha512", NULL) == NULL)
- warn("setting crypt(3) format");
- login_close(lc);
- pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name);
- edited = 1;
+ if ((istty = isatty(fd))) {
+ if (tcgetattr(fd, &t) == -1)
+ istty = 0;
+ else {
+ n = t;
+ n.c_lflag &= ~(ECHO);
+ tcsetattr(fd, TCSANOW, &n);
+ printf("%s%spassword for user %s:",
+ update ? "new " : "",
+ precrypted ? "encrypted " : "",
+ pwd->pw_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_IOERR, "-%c file descriptor",
+ precrypted ? 'H' : 'h');
+ line[b] = '\0';
+ if ((p = strpbrk(line, "\r\n")) != NULL)
+ *p = '\0';
+ if (!*line)
+ errx(EX_DATAERR, "empty password read on file descriptor %d",
+ fd);
+ if (precrypted) {
+ if (strchr(line, ':') != NULL)
+ errx(EX_DATAERR, "bad encrypted password");
+ pwd->pw_passwd = strdup(line);
} else {
- login_cap_t *lc;
-
- /*
- * Add code
- */
-
- if (a_name == NULL) /* Required */
- errx(EX_DATAERR, "login name required");
- else if ((pwd = GETPWNAM(a_name->val)) != NULL) /* Exists */
- errx(EX_DATAERR, "login name `%s' already exists", a_name->val);
-
- /*
- * Now, set up defaults for a new user
- */
- pwd = &fakeuser;
- pwd->pw_name = a_name->val;
- pwd->pw_class = cnf->default_class ? cnf->default_class : "";
- pwd->pw_uid = pw_uidpolicy(cnf, args);
- pwd->pw_gid = pw_gidpolicy(cnf, args, pwd->pw_name, (gid_t) pwd->pw_uid);
- pwd->pw_change = pw_pwdpolicy(cnf, args);
- pwd->pw_expire = pw_exppolicy(cnf, args);
- pwd->pw_dir = pw_homepolicy(cnf, args, pwd->pw_name);
- pwd->pw_shell = pw_shellpolicy(cnf, args, NULL);
lc = login_getpwclass(pwd);
- if (lc == NULL || login_setcryptfmt(lc, "md5", NULL) == NULL)
+ if (lc == NULL ||
+ login_setcryptfmt(lc, "sha512", NULL) == NULL)
warn("setting crypt(3) format");
login_close(lc);
- pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name);
- edited = 1;
-
- if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
- warnx("WARNING: new account `%s' has a uid of 0 (superuser access!)", pwd->pw_name);
+ pwd->pw_passwd = pw_pwcrypt(line);
}
+ return (1);
+}
- /*
- * Shared add/edit code
- */
- if ((arg = getarg(args, 'c')) != NULL) {
- char *gecos = pw_checkname((u_char *)arg->val, 1);
- if (strcmp(pwd->pw_gecos, gecos) != 0) {
- pwd->pw_gecos = gecos;
- edited = 1;
- }
+static void
+perform_chgpwent(const char *name, struct passwd *pwd, char *nispasswd)
+{
+ int rc;
+ struct passwd *nispwd;
+
+ /* duplicate for nis so that chgpwent is not modifying before NIS */
+ if (nispasswd && *nispasswd == '/')
+ nispwd = pw_dup(pwd);
+
+ rc = chgpwent(name, pwd);
+ if (rc == -1)
+ errx(EX_IOERR, "user '%s' does not exist (NIS?)", pwd->pw_name);
+ else if (rc != 0)
+ err(EX_IOERR, "passwd file update");
+
+ if (nispasswd && *nispasswd == '/') {
+ rc = chgnispwent(nispasswd, name, nispwd);
+ if (rc == -1)
+ warn("User '%s' not found in NIS passwd", pwd->pw_name);
+ else if (rc != 0)
+ warn("NIS passwd update");
+ /* NOTE: NIS-only update errors are not fatal */
}
+}
- if ((arg = getarg(args, 'h')) != NULL ||
- (arg = getarg(args, 'H')) != NULL) {
- if (strcmp(arg->val, "-") == 0) {
- if (!pwd->pw_passwd || *pwd->pw_passwd != '*') {
- pwd->pw_passwd = "*"; /* No access */
- edited = 1;
- }
- } else {
- int fd = atoi(arg->val);
- int precrypt = (arg->ch == 'H');
- int b;
- int istty = isatty(fd);
- struct termios t;
- login_cap_t *lc;
-
- 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("%s%spassword for user %s:",
- (mode == M_UPDATE) ? "new " : "",
- precrypt ? "encrypted " : "",
- pwd->pw_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) {
- warn("-%c file descriptor", precrypt ? 'H' :
- 'h');
- return EX_IOERR;
- }
- line[b] = '\0';
- if ((p = strpbrk(line, "\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;
- pwd->pw_passwd = line;
- } else {
- lc = login_getpwclass(pwd);
- if (lc == NULL ||
- login_setcryptfmt(lc, "md5", NULL) == NULL)
- warn("setting crypt(3) format");
- login_close(lc);
- pwd->pw_passwd = pw_pwcrypt(line);
- }
- edited = 1;
- }
+/*
+ * The M_LOCK and M_UNLOCK functions simply add or remove
+ * a "*LOCKED*" prefix from in front of the password to
+ * prevent it decoding correctly, and therefore prevents
+ * access. Of course, this only prevents access via
+ * password authentication (not ssh, kerberos or any
+ * other method that does not use the UNIX password) but
+ * that is a known limitation.
+ */
+static int
+pw_userlock(char *arg1, int mode)
+{
+ struct passwd *pwd = NULL;
+ char *passtmp = NULL;
+ char *name;
+ bool locked = false;
+ uid_t id = (uid_t)-1;
+
+ if (geteuid() != 0)
+ errx(EX_NOPERM, "you must be root");
+
+ if (arg1 == NULL)
+ errx(EX_DATAERR, "username or id required");
+
+ name = arg1;
+ if (arg1[strspn(name, "0123456789")] == '\0')
+ id = pw_checkid(name, UID_MAX);
+
+ pwd = GETPWNAM(pw_checkname(name, 0));
+ if (pwd == NULL && id != (uid_t)-1) {
+ pwd = GETPWUID(id);
+ if (pwd != NULL)
+ name = pwd->pw_name;
}
-
- /*
- * Special case: -N only displays & exits
- */
- if (getarg(args, 'N') != NULL)
- return print_user(pwd,
- getarg(args, 'P') != NULL,
- getarg(args, '7') != NULL);
-
- if (mode == M_ADD) {
- edited = 1; /* Always */
- rc = addpwent(pwd);
- if (rc == -1) {
- warnx("user '%s' already exists", pwd->pw_name);
- return EX_IOERR;
- } else if (rc != 0) {
- warn("passwd file update");
- return EX_IOERR;
- }
- if (cnf->nispasswd && *cnf->nispasswd=='/') {
- rc = addnispwent(cnf->nispasswd, pwd);
- if (rc == -1)
- warnx("User '%s' already exists in NIS passwd", pwd->pw_name);
- else
- warn("NIS passwd update");
- /* NOTE: we treat NIS-only update errors as non-fatal */
- }
- } else if (mode == M_UPDATE || mode == M_LOCK || mode == M_UNLOCK) {
- if (edited) { /* Only updated this if required */
- rc = chgpwent(a_name->val, pwd);
- if (rc == -1) {
- warnx("user '%s' does not exist (NIS?)", pwd->pw_name);
- return EX_IOERR;
- } else if (rc != 0) {
- warn("passwd file update");
- return EX_IOERR;
- }
- if ( cnf->nispasswd && *cnf->nispasswd=='/') {
- rc = chgnispwent(cnf->nispasswd, a_name->val, pwd);
- if (rc == -1)
- warn("User '%s' not found in NIS passwd", pwd->pw_name);
- else
- warn("NIS passwd update");
- /* NOTE: NIS-only update errors are not fatal */
- }
- }
+ if (pwd == NULL) {
+ 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);
}
- /*
- * Ok, user is created or changed - now edit group file
- */
-
- if (mode == M_ADD || getarg(args, 'G') != NULL) {
- int i;
- for (i = 0; cnf->groups[i] != NULL; i++) {
- grp = GETGRNAM(cnf->groups[i]);
- grp = gr_add(grp, pwd->pw_name);
- /*
- * grp can only be NULL in 2 cases:
- * - the new member is already a member
- * - a problem with memory occurs
- * in both cases we want to skip now.
- */
- if (grp == NULL)
- continue;
- chggrent(cnf->groups[i], grp);
- free(grp);
- }
+ if (name == NULL)
+ name = pwd->pw_name;
+
+ if (strncmp(pwd->pw_passwd, locked_str, sizeof(locked_str) -1) == 0)
+ locked = true;
+ if (mode == M_LOCK && locked)
+ errx(EX_DATAERR, "user '%s' is already locked", pwd->pw_name);
+ if (mode == M_UNLOCK && !locked)
+ errx(EX_DATAERR, "user '%s' is not locked", pwd->pw_name);
+
+ if (mode == M_LOCK) {
+ asprintf(&passtmp, "%s%s", locked_str, pwd->pw_passwd);
+ if (passtmp == NULL) /* disaster */
+ errx(EX_UNAVAILABLE, "out of memory");
+ pwd->pw_passwd = passtmp;
+ } else {
+ pwd->pw_passwd += sizeof(locked_str)-1;
}
+ perform_chgpwent(name, pwd, NULL);
+ free(passtmp);
- /* go get a current version of pwd */
- pwd = GETPWNAM(a_name->val);
- if (pwd == NULL) {
- /* This will fail when we rename, so special case that */
- if (mode == M_UPDATE && (arg = getarg(args, 'l')) != NULL) {
- a_name->val = arg->val; /* update new name */
- pwd = GETPWNAM(a_name->val); /* refetch renamed rec */
- }
- }
- if (pwd == NULL) /* can't go on without this */
- errx(EX_NOUSER, "user '%s' disappeared during update", a_name->val);
+ return (EXIT_SUCCESS);
+}
- grp = GETGRGID(pwd->pw_gid);
- pw_log(cnf, mode, W_USER, "%s(%ld):%s(%ld):%s:%s:%s",
- pwd->pw_name, (long) pwd->pw_uid,
- grp ? grp->gr_name : "unknown", (long) (grp ? grp->gr_gid : -1),
- pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell);
+static uid_t
+pw_uidpolicy(struct userconf * cnf, intmax_t id)
+{
+ struct passwd *pwd;
+ struct bitmap bm;
+ uid_t uid = (uid_t) - 1;
/*
- * If adding, let's touch and chown the user's mail file. This is not
- * strictly necessary under BSD with a 0755 maildir but it also
- * doesn't hurt anything to create the empty mailfile
+ * Check the given uid, if any
*/
- if (mode == M_ADD) {
- if (!PWALTDIR()) {
- sprintf(line, "%s/%s", _PATH_MAILDIR, pwd->pw_name);
- close(open(line, O_RDWR | O_CREAT, 0600)); /* Preserve contents &
- * mtime */
- chown(line, pwd->pw_uid, pwd->pw_gid);
- }
- }
+ if (id >= 0) {
+ uid = (uid_t) id;
+ if ((pwd = GETPWUID(uid)) != NULL && conf.checkduplicate)
+ errx(EX_DATAERR, "uid `%ju' has already been allocated",
+ (uintmax_t)pwd->pw_uid);
+ return (uid);
+ }
/*
- * Let's create and populate the user's home directory. Note
- * that this also `works' for editing users if -m is used, but
- * existing files will *not* be overwritten.
+ * We need to allocate the next available uid under one of
+ * two policies a) Grab the first unused uid b) Grab the
+ * highest possible unused uid
*/
- if (!PWALTDIR() && getarg(args, 'm') != NULL && pwd->pw_dir && *pwd->pw_dir == '/' && pwd->pw_dir[1]) {
- copymkdir(pwd->pw_dir, cnf->dotdir, cnf->homemode, pwd->pw_uid, pwd->pw_gid);
- pw_log(cnf, mode, W_USER, "%s(%ld) home %s made",
- pwd->pw_name, (long) pwd->pw_uid, pwd->pw_dir);
+ if (cnf->min_uid >= cnf->max_uid) { /* Sanity
+ * claus^H^H^H^Hheck */
+ cnf->min_uid = 1000;
+ cnf->max_uid = 32000;
}
-
+ bm = bm_alloc(cnf->max_uid - cnf->min_uid + 1);
/*
- * Finally, send mail to the new user as well, if we are asked to
+ * Now, let's fill the bitmap from the password file
*/
- if (mode == M_ADD && !PWALTDIR() && cnf->newmail && *cnf->newmail && (fp = fopen(cnf->newmail, "r")) != NULL) {
- FILE *pfp = popen(_PATH_SENDMAIL " -t", "w");
-
- if (pfp == NULL)
- warn("sendmail");
- else {
- fprintf(pfp, "From: root\n" "To: %s\n" "Subject: Welcome!\n\n", pwd->pw_name);
- while (fgets(line, sizeof(line), fp) != NULL) {
- /* Do substitutions? */
- fputs(line, pfp);
- }
- pclose(pfp);
- pw_log(cnf, mode, W_USER, "%s(%ld) new user mail sent",
- pwd->pw_name, (long) pwd->pw_uid);
- }
- fclose(fp);
- }
-
- return EXIT_SUCCESS;
-}
-
-
-static uid_t
-pw_uidpolicy(struct userconf * cnf, struct cargs * args)
-{
- struct passwd *pwd;
- uid_t uid = (uid_t) - 1;
- struct carg *a_uid = getarg(args, 'u');
+ SETPWENT();
+ while ((pwd = GETPWENT()) != NULL)
+ if (pwd->pw_uid >= (uid_t) cnf->min_uid && pwd->pw_uid <= (uid_t) cnf->max_uid)
+ bm_setbit(&bm, pwd->pw_uid - cnf->min_uid);
+ ENDPWENT();
/*
- * Check the given uid, if any
+ * Then apply the policy, with fallback to reuse if necessary
*/
- if (a_uid != NULL) {
- uid = (uid_t) atol(a_uid->val);
-
- if ((pwd = GETPWUID(uid)) != NULL && getarg(args, 'o') == NULL)
- errx(EX_DATAERR, "uid `%ld' has already been allocated", (long) pwd->pw_uid);
- } else {
- struct bitmap bm;
+ if (cnf->reuse_uids || (uid = (uid_t) (bm_lastset(&bm) + cnf->min_uid + 1)) > cnf->max_uid)
+ uid = (uid_t) (bm_firstunset(&bm) + cnf->min_uid);
- /*
- * We need to allocate the next available uid under one of
- * two policies a) Grab the first unused uid b) Grab the
- * highest possible unused uid
- */
- if (cnf->min_uid >= cnf->max_uid) { /* Sanity
- * claus^H^H^H^Hheck */
- cnf->min_uid = 1000;
- cnf->max_uid = 32000;
- }
- bm = bm_alloc(cnf->max_uid - cnf->min_uid + 1);
-
- /*
- * Now, let's fill the bitmap from the password file
- */
- SETPWENT();
- while ((pwd = GETPWENT()) != NULL)
- if (pwd->pw_uid >= (uid_t) cnf->min_uid && pwd->pw_uid <= (uid_t) cnf->max_uid)
- bm_setbit(&bm, pwd->pw_uid - cnf->min_uid);
- ENDPWENT();
-
- /*
- * Then apply the policy, with fallback to reuse if necessary
- */
- if (cnf->reuse_uids || (uid = (uid_t) (bm_lastset(&bm) + cnf->min_uid + 1)) > cnf->max_uid)
- uid = (uid_t) (bm_firstunset(&bm) + cnf->min_uid);
-
- /*
- * Another sanity check
- */
- if (uid < cnf->min_uid || uid > cnf->max_uid)
- errx(EX_SOFTWARE, "unable to allocate a new uid - range fully used");
- bm_dealloc(&bm);
- }
- return uid;
+ /*
+ * Another sanity check
+ */
+ if (uid < cnf->min_uid || uid > cnf->max_uid)
+ errx(EX_SOFTWARE, "unable to allocate a new uid - range fully used");
+ bm_dealloc(&bm);
+ return (uid);
}
-
-static uid_t
-pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer)
+static uid_t
+pw_gidpolicy(struct userconf *cnf, char *grname, char *nam, gid_t prefer, bool dryrun)
{
struct group *grp;
gid_t gid = (uid_t) - 1;
- struct carg *a_gid = getarg(args, 'g');
-
- /*
- * If no arg given, see if default can help out
- */
- if (a_gid == NULL && cnf->default_group && *cnf->default_group)
- a_gid = addarg(args, 'g', cnf->default_group);
/*
* Check the given gid, if any
*/
SETGRENT();
- if (a_gid != NULL) {
- if ((grp = GETGRNAM(a_gid->val)) == NULL) {
- gid = (gid_t) atol(a_gid->val);
- if ((gid == 0 && !isdigit((unsigned char)*a_gid->val)) || (grp = GETGRGID(gid)) == NULL)
- errx(EX_NOUSER, "group `%s' is not defined", a_gid->val);
+ if (grname) {
+ if ((grp = GETGRNAM(grname)) == NULL) {
+ gid = pw_checkid(grname, GID_MAX);
+ grp = GETGRGID(gid);
}
gid = grp->gr_gid;
} else if ((grp = GETGRNAM(nam)) != NULL &&
(grp->gr_mem == NULL || grp->gr_mem[0] == NULL)) {
gid = grp->gr_gid; /* Already created? Use it anyway... */
} else {
- struct cargs grpargs;
- char tmp[32];
-
- LIST_INIT(&grpargs);
- addarg(&grpargs, 'n', nam);
+ intmax_t grid = -1;
/*
* We need to auto-create a group with the user's name. We
* user's name dups an existing group, then the group add
* function will happily handle that case for us and exit.
*/
- if (GETGRGID(prefer) == NULL) {
- sprintf(tmp, "%lu", (unsigned long) prefer);
- addarg(&grpargs, 'g', tmp);
- }
- if (getarg(args, 'N'))
- {
- addarg(&grpargs, 'N', NULL);
- addarg(&grpargs, 'q', NULL);
- gid = pw_group(cnf, M_NEXT, &grpargs);
- }
- else
- {
- pw_group(cnf, M_ADD, &grpargs);
+ if (GETGRGID(prefer) == NULL)
+ grid = prefer;
+ if (dryrun) {
+ gid = pw_groupnext(cnf, true);
+ } else {
+ if (grid == -1)
+ grid = pw_groupnext(cnf, true);
+ groupadd(cnf, nam, grid, NULL, -1, false, false, false);
if ((grp = GETGRNAM(nam)) != NULL)
gid = grp->gr_gid;
}
- a_gid = LIST_FIRST(&grpargs);
- while (a_gid != NULL) {
- struct carg *t = LIST_NEXT(a_gid, list);
- LIST_REMOVE(a_gid, list);
- a_gid = t;
- }
}
ENDGRENT();
- return gid;
+ return (gid);
}
-
-static time_t
-pw_pwdpolicy(struct userconf * cnf, struct cargs * args)
+static char *
+pw_homepolicy(struct userconf * cnf, char *homedir, const char *user)
{
- time_t result = 0;
- time_t now = time(NULL);
- struct carg *arg = getarg(args, 'p');
-
- if (arg != NULL) {
- if ((result = parse_date(now, arg->val)) == now)
- errx(EX_DATAERR, "invalid date/time `%s'", arg->val);
- } else if (cnf->password_days > 0)
- result = now + ((long) cnf->password_days * 86400L);
- return result;
-}
+ static char home[128];
+ if (homedir)
+ return (homedir);
-static time_t
-pw_exppolicy(struct userconf * cnf, struct cargs * args)
-{
- time_t result = 0;
- time_t now = time(NULL);
- struct carg *arg = getarg(args, 'e');
-
- if (arg != NULL) {
- if ((result = parse_date(now, arg->val)) == now)
- errx(EX_DATAERR, "invalid date/time `%s'", arg->val);
- } else if (cnf->expire_days > 0)
- result = now + ((long) cnf->expire_days * 86400L);
- return result;
+ if (cnf->home == NULL || *cnf->home == '\0')
+ errx(EX_CONFIG, "no base home directory set");
+ snprintf(home, sizeof(home), "%s/%s", cnf->home, user);
+
+ return (home);
}
-
-static char *
-pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user)
-{
- struct carg *arg = getarg(args, 'd');
-
- if (arg)
- return arg->val;
- else {
- static char home[128];
-
- if (cnf->home == NULL || *cnf->home == '\0')
- errx(EX_CONFIG, "no base home directory set");
- sprintf(home, "%s/%s", cnf->home, user);
- return home;
- }
-}
-
-static char *
+static char *
shell_path(char const * path, char *shells[], char *sh)
{
if (sh != NULL && (*sh == '/' || *sh == '\0'))
static char shellpath[256];
if (sh != NULL) {
- sprintf(shellpath, "%s/%s", p, sh);
+ snprintf(shellpath, sizeof(shellpath), "%s/%s", p, sh);
if (access(shellpath, X_OK) == 0)
return shellpath;
} else
for (i = 0; i < _UC_MAXSHELLS && shells[i] != NULL; i++) {
- sprintf(shellpath, "%s/%s", p, shells[i]);
+ snprintf(shellpath, sizeof(shellpath), "%s/%s", p, shells[i]);
if (access(shellpath, X_OK) == 0)
return shellpath;
}
}
}
-
-static char *
-pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell)
+static char *
+pw_shellpolicy(struct userconf * cnf)
{
- char *sh = newshell;
- struct carg *arg = getarg(args, 's');
- if (newshell == NULL && arg != NULL)
- sh = arg->val;
- return shell_path(cnf->shelldir, cnf->shells, sh ? sh : cnf->shell_default);
+ return shell_path(cnf->shelldir, cnf->shells, cnf->shell_default);
}
#define SALTSIZE 32
static char const chars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ./";
-char *
+char *
pw_pwcrypt(char *password)
{
int i;
char salt[SALTSIZE + 1];
char *cryptpw;
-
static char buf[256];
/*
return strcpy(buf, cryptpw);
}
-
-static char *
-pw_password(struct userconf * cnf, struct cargs * args, char const * user)
+static char *
+pw_password(struct userconf * cnf, char const * user, bool dryrun)
{
int i, l;
char pwbuf[32];
/*
* We give this information back to the user
*/
- if (getarg(args, 'h') == NULL && getarg(args, 'H') == NULL &&
- getarg(args, 'N') == NULL) {
+ if (conf.fd == -1 && !dryrun) {
if (isatty(STDOUT_FILENO))
printf("Password for '%s' is: ", user);
printf("%s\n", pwbuf);
return pw_pwcrypt(pwbuf);
}
-
static int
-print_user(struct passwd * pwd, int pretty, int v7)
+print_user(struct passwd * pwd, bool pretty, bool v7)
{
- if (!pretty) {
- char *buf;
+ int j;
+ char *p;
+ struct group *grp = GETGRGID(pwd->pw_gid);
+ char uname[60] = "User &", office[60] = "[None]",
+ wphone[60] = "[None]", hphone[60] = "[None]";
+ char acexpire[32] = "[None]", pwexpire[32] = "[None]";
+ struct tm * tptr;
- if (!v7)
- pwd->pw_passwd = (pwd->pw_passwd == NULL) ? "" : "*";
+ if (!pretty) {
+ p = v7 ? pw_make_v7(pwd) : pw_make(pwd);
+ printf("%s\n", p);
+ free(p);
+ return (EXIT_SUCCESS);
+ }
- buf = v7 ? pw_make_v7(pwd) : pw_make(pwd);
- printf("%s\n", buf);
- free(buf);
- } else {
- int j;
- char *p;
- struct group *grp = GETGRGID(pwd->pw_gid);
- char uname[60] = "User &", office[60] = "[None]",
- wphone[60] = "[None]", hphone[60] = "[None]";
- char acexpire[32] = "[None]", pwexpire[32] = "[None]";
- struct tm * tptr;
-
- if ((p = strtok(pwd->pw_gecos, ",")) != NULL) {
- strlcpy(uname, p, sizeof(uname));
+ if ((p = strtok(pwd->pw_gecos, ",")) != NULL) {
+ strlcpy(uname, p, sizeof(uname));
+ if ((p = strtok(NULL, ",")) != NULL) {
+ strlcpy(office, p, sizeof(office));
if ((p = strtok(NULL, ",")) != NULL) {
- strlcpy(office, p, sizeof(office));
- if ((p = strtok(NULL, ",")) != NULL) {
- strlcpy(wphone, p, sizeof(wphone));
- if ((p = strtok(NULL, "")) != NULL) {
- strlcpy(hphone, p,
- sizeof(hphone));
- }
+ strlcpy(wphone, p, sizeof(wphone));
+ if ((p = strtok(NULL, "")) != NULL) {
+ strlcpy(hphone, p, sizeof(hphone));
}
}
}
- /*
- * Handle '&' in gecos field
- */
- if ((p = strchr(uname, '&')) != NULL) {
- int l = strlen(pwd->pw_name);
- int m = strlen(p);
+ }
+ /*
+ * Handle '&' in gecos field
+ */
+ if ((p = strchr(uname, '&')) != NULL) {
+ int l = strlen(pwd->pw_name);
+ int m = strlen(p);
- memmove(p + l, p + 1, m);
- memmove(p, pwd->pw_name, l);
- *p = (char) toupper((unsigned char)*p);
- }
- if (pwd->pw_expire > (time_t)0 && (tptr = localtime(&pwd->pw_expire)) != NULL)
- strftime(acexpire, sizeof acexpire, "%c", tptr);
+ memmove(p + l, p + 1, m);
+ memmove(p, pwd->pw_name, l);
+ *p = (char) toupper((unsigned char)*p);
+ }
+ if (pwd->pw_expire > (time_t)0 && (tptr = localtime(&pwd->pw_expire)) != NULL)
+ strftime(acexpire, sizeof acexpire, "%c", tptr);
if (pwd->pw_change > (time_t)0 && (tptr = localtime(&pwd->pw_change)) != NULL)
- strftime(pwexpire, sizeof pwexpire, "%c", tptr);
- printf("Login Name: %-15s #%-12ld Group: %-15s #%ld\n"
- " Full Name: %s\n"
- " Home: %-26.26s Class: %s\n"
- " Shell: %-26.26s Office: %s\n"
- "Work Phone: %-26.26s Home Phone: %s\n"
- "Acc Expire: %-26.26s Pwd Expire: %s\n",
- pwd->pw_name, (long) pwd->pw_uid,
- grp ? grp->gr_name : "(invalid)", (long) pwd->pw_gid,
- uname, pwd->pw_dir, pwd->pw_class,
- pwd->pw_shell, office, wphone, hphone,
- acexpire, pwexpire);
- SETGRENT();
- j = 0;
- while ((grp=GETGRENT()) != NULL)
- {
- int i = 0;
- if (grp->gr_mem != NULL) {
- while (grp->gr_mem[i] != NULL)
- {
- if (strcmp(grp->gr_mem[i], pwd->pw_name)==0)
- {
- printf(j++ == 0 ? " Groups: %s" : ",%s", grp->gr_name);
- break;
- }
- ++i;
+ strftime(pwexpire, sizeof pwexpire, "%c", tptr);
+ printf("Login Name: %-15s #%-12ju Group: %-15s #%ju\n"
+ " Full Name: %s\n"
+ " Home: %-26.26s Class: %s\n"
+ " Shell: %-26.26s Office: %s\n"
+ "Work Phone: %-26.26s Home Phone: %s\n"
+ "Acc Expire: %-26.26s Pwd Expire: %s\n",
+ pwd->pw_name, (uintmax_t)pwd->pw_uid,
+ grp ? grp->gr_name : "(invalid)", (uintmax_t)pwd->pw_gid,
+ uname, pwd->pw_dir, pwd->pw_class,
+ pwd->pw_shell, office, wphone, hphone,
+ acexpire, pwexpire);
+ SETGRENT();
+ j = 0;
+ while ((grp=GETGRENT()) != NULL) {
+ int i = 0;
+ if (grp->gr_mem != NULL) {
+ while (grp->gr_mem[i] != NULL) {
+ if (strcmp(grp->gr_mem[i], pwd->pw_name)==0) {
+ printf(j++ == 0 ? " Groups: %s" : ",%s", grp->gr_name);
+ break;
}
+ ++i;
}
}
- ENDGRENT();
- printf("%s", j ? "\n" : "");
}
- return EXIT_SUCCESS;
+ ENDGRENT();
+ printf("%s", j ? "\n" : "");
+ return (EXIT_SUCCESS);
}
-char *
-pw_checkname(u_char *name, int gecos)
+char *
+pw_checkname(char *name, int gecos)
{
char showch[8];
- u_char const *badchars, *ch, *showtype;
+ const char *badchars, *ch, *showtype;
int reject;
ch = name;
}
if (!reject) {
while (*ch) {
- if (strchr(badchars, *ch) != NULL || *ch < ' ' ||
+ if (strchr(badchars, *ch) != NULL ||
+ (!gecos && *ch < ' ') ||
*ch == 127) {
reject = 1;
break;
showch, (ch - name), showtype);
}
if (!gecos && (ch - name) > LOGNAMESIZE)
- errx(EX_DATAERR, "name too long `%s' (max is %d)", name,
+ errx(EX_USAGE, "name too long `%s' (max is %d)", name,
LOGNAMESIZE);
- return (char *)name;
-}
+ return (name);
+}
static void
rmat(uid_t uid)
st.st_uid == uid) {
char tmp[MAXPATHLEN];
- sprintf(tmp, "/usr/bin/atrm %s", e->d_name);
+ snprintf(tmp, sizeof(tmp), "/usr/bin/atrm %s",
+ e->d_name);
system(tmp);
}
}
static void
rmopie(char const * name)
{
- static const char etcopie[] = "/etc/opiekeys";
- FILE *fp = fopen(etcopie, "r+");
-
- if (fp != NULL) {
- char tmp[1024];
- off_t atofs = 0;
- int length = strlen(name);
-
- while (fgets(tmp, sizeof tmp, fp) != NULL) {
- if (strncmp(name, tmp, length) == 0 && tmp[length]==' ') {
- if (fseek(fp, atofs, SEEK_SET) == 0) {
- fwrite("#", 1, 1, fp); /* Comment username out */
- }
- break;
+ char tmp[1014];
+ FILE *fp;
+ int fd;
+ size_t len;
+ off_t atofs = 0;
+
+ if ((fd = openat(conf.rootfd, "etc/opiekeys", O_RDWR)) == -1)
+ return;
+
+ fp = fdopen(fd, "r+");
+ len = strlen(name);
+
+ while (fgets(tmp, sizeof(tmp), fp) != NULL) {
+ if (strncmp(name, tmp, len) == 0 && tmp[len]==' ') {
+ /* Comment username out */
+ if (fseek(fp, atofs, SEEK_SET) == 0)
+ fwrite("#", 1, 1, fp);
+ break;
+ }
+ atofs = ftell(fp);
+ }
+ /*
+ * If we got an error of any sort, don't update!
+ */
+ fclose(fp);
+}
+
+int
+pw_user_next(int argc, char **argv, char *name __unused)
+{
+ struct userconf *cnf = NULL;
+ const char *cfg = NULL;
+ int ch;
+ bool quiet = false;
+ uid_t next;
+
+ while ((ch = getopt(argc, argv, "Cq")) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ }
+ }
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+
+ cnf = get_userconfig(cfg);
+
+ next = pw_uidpolicy(cnf, -1);
+
+ printf("%ju:", (uintmax_t)next);
+ pw_groupnext(cnf, quiet);
+
+ return (EXIT_SUCCESS);
+}
+
+int
+pw_user_show(int argc, char **argv, char *arg1)
+{
+ struct passwd *pwd = NULL;
+ char *name = NULL;
+ intmax_t id = -1;
+ int ch;
+ bool all = false;
+ bool pretty = false;
+ bool force = false;
+ bool v7 = false;
+ bool quiet = false;
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, UID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, "C:qn:u:FPa7")) != -1) {
+ switch (ch) {
+ case 'C':
+ /* ignore compatibility */
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'u':
+ id = pw_checkid(optarg, UID_MAX);
+ break;
+ case 'F':
+ force = true;
+ break;
+ case 'P':
+ pretty = true;
+ break;
+ case 'a':
+ all = true;
+ break;
+ case '7':
+ v7 = true;
+ break;
+ }
+ }
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+
+ if (all) {
+ SETPWENT();
+ while ((pwd = GETPWENT()) != NULL)
+ print_user(pwd, pretty, v7);
+ ENDPWENT();
+ return (EXIT_SUCCESS);
+ }
+
+ if (id < 0 && name == NULL)
+ errx(EX_DATAERR, "username or id required");
+
+ pwd = (name != NULL) ? GETPWNAM(pw_checkname(name, 0)) : GETPWUID(id);
+ if (pwd == NULL) {
+ if (force) {
+ pwd = &fakeuser;
+ } else {
+ if (name == NULL)
+ errx(EX_NOUSER, "no such uid `%ju'",
+ (uintmax_t) id);
+ errx(EX_NOUSER, "no such user `%s'", name);
+ }
+ }
+
+ return (print_user(pwd, pretty, v7));
+}
+
+int
+pw_user_del(int argc, char **argv, char *arg1)
+{
+ struct userconf *cnf = NULL;
+ struct passwd *pwd = NULL;
+ struct group *gr, *grp;
+ char *name = NULL;
+ char grname[MAXLOGNAME];
+ char *nispasswd = NULL;
+ char file[MAXPATHLEN];
+ char home[MAXPATHLEN];
+ const char *cfg = NULL;
+ struct stat st;
+ intmax_t id = -1;
+ int ch, rc;
+ bool nis = false;
+ bool deletehome = false;
+ bool quiet = false;
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, UID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, "C:qn:u:rYy:")) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'u':
+ id = pw_checkid(optarg, UID_MAX);
+ break;
+ case 'r':
+ deletehome = true;
+ break;
+ case 'y':
+ nispasswd = optarg;
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ }
+ }
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+
+ if (id < 0 && name == NULL)
+ errx(EX_DATAERR, "username or id required");
+
+ cnf = get_userconfig(cfg);
+
+ if (nispasswd == NULL)
+ nispasswd = cnf->nispasswd;
+
+ pwd = (name != NULL) ? GETPWNAM(pw_checkname(name, 0)) : GETPWUID(id);
+ if (pwd == NULL) {
+ if (name == NULL)
+ errx(EX_NOUSER, "no such uid `%ju'", (uintmax_t) id);
+ errx(EX_NOUSER, "no such user `%s'", name);
+ }
+
+ if (PWF._altdir == PWF_REGULAR &&
+ ((pwd->pw_fields & _PWF_SOURCE) != _PWF_FILES)) {
+ if ((pwd->pw_fields & _PWF_SOURCE) == _PWF_NIS) {
+ if (!nis && nispasswd && *nispasswd != '/')
+ errx(EX_NOUSER, "Cannot remove NIS user `%s'",
+ name);
+ } else {
+ errx(EX_NOUSER, "Cannot remove non local user `%s'",
+ name);
+ }
+ }
+
+ id = pwd->pw_uid;
+ if (name == NULL)
+ name = pwd->pw_name;
+
+ if (strcmp(pwd->pw_name, "root") == 0)
+ errx(EX_DATAERR, "cannot remove user 'root'");
+
+ /* Remove opie record from /etc/opiekeys */
+ if (PWALTDIR() != PWF_ALT)
+ rmopie(pwd->pw_name);
+
+ if (!PWALTDIR()) {
+ /* Remove crontabs */
+ snprintf(file, sizeof(file), "/var/cron/tabs/%s", pwd->pw_name);
+ if (access(file, F_OK) == 0) {
+ snprintf(file, sizeof(file), "crontab -u %s -r",
+ pwd->pw_name);
+ system(file);
+ }
+ }
+
+ /*
+ * Save these for later, since contents of pwd may be
+ * invalidated by deletion
+ */
+ snprintf(file, sizeof(file), "%s/%s", _PATH_MAILDIR, pwd->pw_name);
+ strlcpy(home, pwd->pw_dir, sizeof(home));
+ gr = GETGRGID(pwd->pw_gid);
+ if (gr != NULL)
+ strlcpy(grname, gr->gr_name, LOGNAMESIZE);
+ else
+ grname[0] = '\0';
+
+ rc = delpwent(pwd);
+ if (rc == -1)
+ err(EX_IOERR, "user '%s' does not exist", pwd->pw_name);
+ else if (rc != 0)
+ err(EX_IOERR, "passwd update");
+
+ if (nis && nispasswd && *nispasswd=='/') {
+ rc = delnispwent(nispasswd, name);
+ if (rc == -1)
+ warnx("WARNING: user '%s' does not exist in NIS passwd",
+ pwd->pw_name);
+ else if (rc != 0)
+ warn("WARNING: NIS passwd update");
+ }
+
+ grp = GETGRNAM(name);
+ if (grp != NULL &&
+ (grp->gr_mem == NULL || *grp->gr_mem == NULL) &&
+ strcmp(name, grname) == 0)
+ delgrent(GETGRNAM(name));
+ SETGRENT();
+ while ((grp = GETGRENT()) != NULL) {
+ int i, j;
+ char group[MAXLOGNAME];
+ if (grp->gr_mem == NULL)
+ continue;
+
+ for (i = 0; grp->gr_mem[i] != NULL; i++) {
+ if (strcmp(grp->gr_mem[i], name) != 0)
+ continue;
+
+ for (j = i; grp->gr_mem[j] != NULL; j++)
+ grp->gr_mem[j] = grp->gr_mem[j+1];
+ strlcpy(group, grp->gr_name, MAXLOGNAME);
+ chggrent(group, grp);
+ }
+ }
+ ENDGRENT();
+
+ pw_log(cnf, M_DELETE, W_USER, "%s(%ju) account removed", name,
+ (uintmax_t)id);
+
+ /* Remove mail file */
+ if (PWALTDIR() != PWF_ALT)
+ unlinkat(conf.rootfd, file + 1, 0);
+
+ /* Remove at jobs */
+ if (!PWALTDIR() && getpwuid(id) == NULL)
+ rmat(id);
+
+ /* Remove home directory and contents */
+ if (PWALTDIR() != PWF_ALT && deletehome && *home == '/' &&
+ GETPWUID(id) == NULL &&
+ fstatat(conf.rootfd, home + 1, &st, 0) != -1) {
+ rm_r(conf.rootfd, home, id);
+ pw_log(cnf, M_DELETE, W_USER, "%s(%ju) home '%s' %s"
+ "removed", name, (uintmax_t)id, home,
+ fstatat(conf.rootfd, home + 1, &st, 0) == -1 ? "" : "not "
+ "completely ");
+ }
+
+ return (EXIT_SUCCESS);
+}
+
+int
+pw_user_lock(int argc, char **argv, char *arg1)
+{
+ int ch;
+
+ while ((ch = getopt(argc, argv, "Cq")) != -1) {
+ switch (ch) {
+ case 'C':
+ case 'q':
+ /* compatibility */
+ break;
+ }
+ }
+
+ return (pw_userlock(arg1, M_LOCK));
+}
+
+int
+pw_user_unlock(int argc, char **argv, char *arg1)
+{
+ int ch;
+
+ while ((ch = getopt(argc, argv, "Cq")) != -1) {
+ switch (ch) {
+ case 'C':
+ case 'q':
+ /* compatibility */
+ break;
+ }
+ }
+
+ return (pw_userlock(arg1, M_UNLOCK));
+}
+
+static struct group *
+group_from_name_or_id(char *name)
+{
+ const char *errstr = NULL;
+ struct group *grp;
+ uintmax_t id;
+
+ if ((grp = GETGRNAM(name)) == NULL) {
+ id = strtounum(name, 0, GID_MAX, &errstr);
+ if (errstr)
+ errx(EX_NOUSER, "group `%s' does not exist", name);
+ grp = GETGRGID(id);
+ if (grp == NULL)
+ errx(EX_NOUSER, "group `%s' does not exist", name);
+ }
+
+ return (grp);
+}
+
+static void
+split_groups(StringList **groups, char *groupsstr)
+{
+ struct group *grp;
+ char *p;
+ char tok[] = ", \t";
+
+ for (p = strtok(groupsstr, tok); p != NULL; p = strtok(NULL, tok)) {
+ grp = group_from_name_or_id(p);
+ if (*groups == NULL)
+ *groups = sl_init();
+ sl_add(*groups, newstr(grp->gr_name));
+ }
+}
+
+static void
+validate_grname(struct userconf *cnf, char *group)
+{
+ struct group *grp;
+
+ if (group == NULL || *group == '\0') {
+ cnf->default_group = "";
+ return;
+ }
+ grp = group_from_name_or_id(group);
+ cnf->default_group = newstr(grp->gr_name);
+}
+
+static mode_t
+validate_mode(char *mode)
+{
+ mode_t m;
+ void *set;
+
+ if ((set = setmode(mode)) == NULL)
+ errx(EX_DATAERR, "invalid directory creation mode '%s'", mode);
+
+ m = getmode(set, _DEF_DIRMODE);
+ free(set);
+ return (m);
+}
+
+static void
+mix_config(struct userconf *cmdcnf, struct userconf *cfg)
+{
+
+ if (cmdcnf->default_password == 0)
+ cmdcnf->default_password = cfg->default_password;
+ if (cmdcnf->reuse_uids == 0)
+ cmdcnf->reuse_uids = cfg->reuse_uids;
+ if (cmdcnf->reuse_gids == 0)
+ cmdcnf->reuse_gids = cfg->reuse_gids;
+ if (cmdcnf->nispasswd == NULL)
+ cmdcnf->nispasswd = cfg->nispasswd;
+ if (cmdcnf->dotdir == NULL)
+ cmdcnf->dotdir = cfg->dotdir;
+ if (cmdcnf->newmail == NULL)
+ cmdcnf->newmail = cfg->newmail;
+ if (cmdcnf->logfile == NULL)
+ cmdcnf->logfile = cfg->logfile;
+ if (cmdcnf->home == NULL)
+ cmdcnf->home = cfg->home;
+ if (cmdcnf->homemode == 0)
+ cmdcnf->homemode = cfg->homemode;
+ if (cmdcnf->shelldir == NULL)
+ cmdcnf->shelldir = cfg->shelldir;
+ if (cmdcnf->shells == NULL)
+ cmdcnf->shells = cfg->shells;
+ if (cmdcnf->shell_default == NULL)
+ cmdcnf->shell_default = cfg->shell_default;
+ if (cmdcnf->default_group == NULL)
+ cmdcnf->default_group = cfg->default_group;
+ if (cmdcnf->groups == NULL)
+ cmdcnf->groups = cfg->groups;
+ if (cmdcnf->default_class == NULL)
+ cmdcnf->default_class = cfg->default_class;
+ if (cmdcnf->min_uid == 0)
+ cmdcnf->min_uid = cfg->min_uid;
+ if (cmdcnf->max_uid == 0)
+ cmdcnf->max_uid = cfg->max_uid;
+ if (cmdcnf->min_gid == 0)
+ cmdcnf->min_gid = cfg->min_gid;
+ if (cmdcnf->max_gid == 0)
+ cmdcnf->max_gid = cfg->max_gid;
+ if (cmdcnf->expire_days == 0)
+ cmdcnf->expire_days = cfg->expire_days;
+ if (cmdcnf->password_days == 0)
+ cmdcnf->password_days = cfg->password_days;
+}
+
+int
+pw_user_add(int argc, char **argv, char *arg1)
+{
+ struct userconf *cnf, *cmdcnf;
+ struct passwd *pwd;
+ struct group *grp;
+ struct stat st;
+ char args[] = "C:qn:u:c:d:e:p:g:G:mM:k:s:oL:i:w:h:H:Db:NPy:Y";
+ char line[_PASSWORD_LEN+1], path[MAXPATHLEN];
+ char *gecos, *homedir, *skel, *walk, *userid, *groupid, *grname;
+ char *default_passwd, *name, *p;
+ const char *cfg;
+ login_cap_t *lc;
+ FILE *pfp, *fp;
+ intmax_t id = -1;
+ time_t now;
+ int rc, ch, fd = -1;
+ size_t i;
+ bool dryrun, nis, pretty, quiet, createhome, precrypted, genconf;
+
+ dryrun = nis = pretty = quiet = createhome = precrypted = false;
+ genconf = false;
+ gecos = homedir = skel = userid = groupid = default_passwd = NULL;
+ grname = name = NULL;
+
+ if ((cmdcnf = calloc(1, sizeof(struct userconf))) == NULL)
+ err(EXIT_FAILURE, "calloc()");
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, UID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, args)) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'u':
+ userid = optarg;
+ break;
+ case 'c':
+ gecos = pw_checkname(optarg, 1);
+ break;
+ case 'd':
+ homedir = optarg;
+ break;
+ case 'e':
+ now = time(NULL);
+ cmdcnf->expire_days = parse_date(now, optarg);
+ break;
+ case 'p':
+ now = time(NULL);
+ cmdcnf->password_days = parse_date(now, optarg);
+ break;
+ case 'g':
+ validate_grname(cmdcnf, optarg);
+ grname = optarg;
+ break;
+ case 'G':
+ split_groups(&cmdcnf->groups, optarg);
+ break;
+ case 'm':
+ createhome = true;
+ break;
+ case 'M':
+ cmdcnf->homemode = validate_mode(optarg);
+ break;
+ case 'k':
+ walk = skel = optarg;
+ if (*walk == '/')
+ walk++;
+ if (fstatat(conf.rootfd, walk, &st, 0) == -1)
+ errx(EX_OSFILE, "skeleton `%s' does not "
+ "exists", skel);
+ if (!S_ISDIR(st.st_mode))
+ errx(EX_OSFILE, "skeleton `%s' is not a "
+ "directory", skel);
+ cmdcnf->dotdir = skel;
+ break;
+ case 's':
+ cmdcnf->shell_default = optarg;
+ break;
+ case 'o':
+ conf.checkduplicate = false;
+ break;
+ case 'L':
+ cmdcnf->default_class = pw_checkname(optarg, 0);
+ break;
+ case 'i':
+ groupid = optarg;
+ break;
+ case 'w':
+ default_passwd = 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 'D':
+ genconf = true;
+ break;
+ case 'b':
+ cmdcnf->home = optarg;
+ break;
+ case 'N':
+ dryrun = true;
+ break;
+ case 'P':
+ pretty = true;
+ break;
+ case 'y':
+ cmdcnf->nispasswd = optarg;
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ }
+ }
+
+ if (geteuid() != 0 && ! dryrun)
+ errx(EX_NOPERM, "you must be root");
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+
+ cnf = get_userconfig(cfg);
+
+ mix_config(cmdcnf, cnf);
+ if (default_passwd)
+ cmdcnf->default_password = boolean_val(default_passwd,
+ cnf->default_password);
+ if (genconf) {
+ if (name != NULL)
+ errx(EX_DATAERR, "can't combine `-D' with `-n name'");
+ if (userid != NULL) {
+ if ((p = strtok(userid, ", \t")) != NULL)
+ cmdcnf->min_uid = pw_checkid(p, UID_MAX);
+ if (cmdcnf->min_uid == 0)
+ cmdcnf->min_uid = 1000;
+ if ((p = strtok(NULL, " ,\t")) != NULL)
+ cmdcnf->max_uid = pw_checkid(p, UID_MAX);
+ if (cmdcnf->max_uid == 0)
+ cmdcnf->max_uid = 32000;
+ }
+ if (groupid != NULL) {
+ if ((p = strtok(groupid, ", \t")) != NULL)
+ cmdcnf->min_gid = pw_checkid(p, GID_MAX);
+ if (cmdcnf->min_gid == 0)
+ cmdcnf->min_gid = 1000;
+ if ((p = strtok(NULL, " ,\t")) != NULL)
+ cmdcnf->max_gid = pw_checkid(p, GID_MAX);
+ if (cmdcnf->max_gid == 0)
+ cmdcnf->max_gid = 32000;
+ }
+ if (write_userconfig(cmdcnf, cfg))
+ return (EXIT_SUCCESS);
+ err(EX_IOERR, "config update");
+ }
+
+ if (userid)
+ id = pw_checkid(userid, UID_MAX);
+ if (id < 0 && name == NULL)
+ errx(EX_DATAERR, "user name or id required");
+
+ if (name == NULL)
+ errx(EX_DATAERR, "login name required");
+
+ if (GETPWNAM(name) != NULL)
+ errx(EX_DATAERR, "login name `%s' already exists", name);
+
+ pwd = &fakeuser;
+ pwd->pw_name = name;
+ pwd->pw_class = cmdcnf->default_class ? cmdcnf->default_class : "";
+ pwd->pw_uid = pw_uidpolicy(cmdcnf, id);
+ pwd->pw_gid = pw_gidpolicy(cnf, grname, pwd->pw_name,
+ (gid_t) pwd->pw_uid, dryrun);
+ pwd->pw_change = cmdcnf->password_days;
+ pwd->pw_expire = cmdcnf->expire_days;
+ pwd->pw_dir = pw_homepolicy(cmdcnf, homedir, pwd->pw_name);
+ pwd->pw_shell = pw_shellpolicy(cmdcnf);
+ lc = login_getpwclass(pwd);
+ if (lc == NULL || login_setcryptfmt(lc, "sha512", NULL) == NULL)
+ warn("setting crypt(3) format");
+ login_close(lc);
+ pwd->pw_passwd = pw_password(cmdcnf, pwd->pw_name, dryrun);
+ if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
+ warnx("WARNING: new account `%s' has a uid of 0 "
+ "(superuser access!)", pwd->pw_name);
+ if (gecos)
+ pwd->pw_gecos = gecos;
+
+ if (fd != -1)
+ pw_set_passwd(pwd, fd, precrypted, false);
+
+ if (dryrun)
+ return (print_user(pwd, pretty, false));
+
+ if ((rc = addpwent(pwd)) != 0) {
+ if (rc == -1)
+ errx(EX_IOERR, "user '%s' already exists",
+ pwd->pw_name);
+ else if (rc != 0)
+ err(EX_IOERR, "passwd file update");
+ }
+ if (nis && cmdcnf->nispasswd && *cmdcnf->nispasswd == '/') {
+ printf("%s\n", cmdcnf->nispasswd);
+ rc = addnispwent(cmdcnf->nispasswd, pwd);
+ if (rc == -1)
+ warnx("User '%s' already exists in NIS passwd",
+ pwd->pw_name);
+ else if (rc != 0)
+ warn("NIS passwd update");
+ /* NOTE: we treat NIS-only update errors as non-fatal */
+ }
+
+ if (cmdcnf->groups != NULL) {
+ for (i = 0; i < cmdcnf->groups->sl_cur; i++) {
+ grp = GETGRNAM(cmdcnf->groups->sl_str[i]);
+ grp = gr_add(grp, pwd->pw_name);
+ /*
+ * grp can only be NULL in 2 cases:
+ * - the new member is already a member
+ * - a problem with memory occurs
+ * in both cases we want to skip now.
+ */
+ if (grp == NULL)
+ continue;
+ chggrent(grp->gr_name, grp);
+ free(grp);
+ }
+ }
+
+ pwd = GETPWNAM(name);
+ if (pwd == NULL)
+ errx(EX_NOUSER, "user '%s' disappeared during update", name);
+
+ grp = GETGRGID(pwd->pw_gid);
+ pw_log(cnf, M_ADD, W_USER, "%s(%ju):%s(%ju):%s:%s:%s",
+ pwd->pw_name, (uintmax_t)pwd->pw_uid,
+ grp ? grp->gr_name : "unknown",
+ (uintmax_t)(grp ? grp->gr_gid : (uid_t)-1),
+ pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell);
+
+ /*
+ * let's touch and chown the user's mail file. This is not
+ * strictly necessary under BSD with a 0755 maildir but it also
+ * doesn't hurt anything to create the empty mailfile
+ */
+ if (PWALTDIR() != PWF_ALT) {
+ snprintf(path, sizeof(path), "%s/%s", _PATH_MAILDIR,
+ pwd->pw_name);
+ /* Preserve contents & mtime */
+ close(openat(conf.rootfd, path +1, O_RDWR | O_CREAT, 0600));
+ fchownat(conf.rootfd, path + 1, pwd->pw_uid, pwd->pw_gid,
+ AT_SYMLINK_NOFOLLOW);
+ }
+
+ /*
+ * Let's create and populate the user's home directory. Note
+ * that this also `works' for editing users if -m is used, but
+ * existing files will *not* be overwritten.
+ */
+ if (PWALTDIR() != PWF_ALT && createhome && pwd->pw_dir &&
+ *pwd->pw_dir == '/' && pwd->pw_dir[1])
+ create_and_populate_homedir(cmdcnf, pwd, cmdcnf->dotdir,
+ cmdcnf->homemode, false);
+
+ if (!PWALTDIR() && cmdcnf->newmail && *cmdcnf->newmail &&
+ (fp = fopen(cnf->newmail, "r")) != NULL) {
+ if ((pfp = popen(_PATH_SENDMAIL " -t", "w")) == NULL)
+ warn("sendmail");
+ else {
+ fprintf(pfp, "From: root\n" "To: %s\n"
+ "Subject: Welcome!\n\n", pwd->pw_name);
+ while (fgets(line, sizeof(line), fp) != NULL) {
+ /* Do substitutions? */
+ fputs(line, pfp);
}
- atofs = ftell(fp);
+ pclose(pfp);
+ pw_log(cnf, M_ADD, W_USER, "%s(%ju) new user mail sent",
+ pwd->pw_name, (uintmax_t)pwd->pw_uid);
}
- /*
- * If we got an error of any sort, don't update!
- */
fclose(fp);
}
+
+ if (nis && nis_update() == 0)
+ pw_log(cnf, M_ADD, W_USER, "NIS maps updated");
+
+ return (EXIT_SUCCESS);
}
+int
+pw_user_mod(int argc, char **argv, char *arg1)
+{
+ struct userconf *cnf;
+ struct passwd *pwd;
+ struct group *grp;
+ StringList *groups = NULL;
+ char args[] = "C:qn:u:c:d:e:p:g:G:mM:l:k:s:w:L:h:H:NPYy:";
+ const char *cfg;
+ char *gecos, *homedir, *grname, *name, *newname, *walk, *skel, *shell;
+ char *passwd, *class, *nispasswd;
+ login_cap_t *lc;
+ struct stat st;
+ intmax_t id = -1;
+ int ch, fd = -1;
+ size_t i, j;
+ bool quiet, createhome, pretty, dryrun, nis, edited, docreatehome;
+ bool precrypted;
+ mode_t homemode = 0;
+ time_t expire_days, password_days, now;
+
+ expire_days = password_days = -1;
+ gecos = homedir = grname = name = newname = skel = shell =NULL;
+ passwd = NULL;
+ class = nispasswd = NULL;
+ quiet = createhome = pretty = dryrun = nis = precrypted = false;
+ edited = docreatehome = false;
+
+ if (arg1 != NULL) {
+ if (arg1[strspn(arg1, "0123456789")] == '\0')
+ id = pw_checkid(arg1, UID_MAX);
+ else
+ name = arg1;
+ }
+
+ while ((ch = getopt(argc, argv, args)) != -1) {
+ switch (ch) {
+ case 'C':
+ cfg = optarg;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'n':
+ name = optarg;
+ break;
+ case 'u':
+ id = pw_checkid(optarg, UID_MAX);
+ break;
+ case 'c':
+ gecos = pw_checkname(optarg, 1);
+ break;
+ case 'd':
+ homedir = optarg;
+ break;
+ case 'e':
+ now = time(NULL);
+ expire_days = parse_date(now, optarg);
+ break;
+ case 'p':
+ now = time(NULL);
+ password_days = parse_date(now, optarg);
+ break;
+ case 'g':
+ group_from_name_or_id(optarg);
+ grname = optarg;
+ break;
+ case 'G':
+ split_groups(&groups, optarg);
+ break;
+ case 'm':
+ createhome = true;
+ break;
+ case 'M':
+ homemode = validate_mode(optarg);
+ break;
+ case 'l':
+ newname = optarg;
+ break;
+ case 'k':
+ walk = skel = optarg;
+ if (*walk == '/')
+ walk++;
+ if (fstatat(conf.rootfd, walk, &st, 0) == -1)
+ errx(EX_OSFILE, "skeleton `%s' does not "
+ "exists", skel);
+ if (!S_ISDIR(st.st_mode))
+ errx(EX_OSFILE, "skeleton `%s' is not a "
+ "directory", skel);
+ break;
+ case 's':
+ shell = optarg;
+ break;
+ case 'w':
+ passwd = optarg;
+ break;
+ case 'L':
+ class = pw_checkname(optarg, 0);
+ 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 'N':
+ dryrun = true;
+ break;
+ case 'P':
+ pretty = true;
+ break;
+ case 'y':
+ nispasswd = optarg;
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ }
+ }
+
+ if (geteuid() != 0 && ! dryrun)
+ errx(EX_NOPERM, "you must be root");
+
+ if (quiet)
+ freopen(_PATH_DEVNULL, "w", stderr);
+
+ cnf = get_userconfig(cfg);
+
+ if (id < 0 && name == NULL)
+ errx(EX_DATAERR, "username or id required");
+
+ pwd = (name != NULL) ? GETPWNAM(pw_checkname(name, 0)) : GETPWUID(id);
+ if (pwd == NULL) {
+ if (name == NULL)
+ errx(EX_NOUSER, "no such uid `%ju'",
+ (uintmax_t) id);
+ errx(EX_NOUSER, "no such user `%s'", name);
+ }
+
+ if (name == NULL)
+ name = pwd->pw_name;
+
+ if (nis && nispasswd == NULL)
+ nispasswd = cnf->nispasswd;
+
+ if (PWF._altdir == PWF_REGULAR &&
+ ((pwd->pw_fields & _PWF_SOURCE) != _PWF_FILES)) {
+ if ((pwd->pw_fields & _PWF_SOURCE) == _PWF_NIS) {
+ if (!nis && nispasswd && *nispasswd != '/')
+ errx(EX_NOUSER, "Cannot modify NIS user `%s'",
+ name);
+ } else {
+ errx(EX_NOUSER, "Cannot modify non local user `%s'",
+ name);
+ }
+ }
+
+ if (newname) {
+ if (strcmp(pwd->pw_name, "root") == 0)
+ errx(EX_DATAERR, "can't rename `root' account");
+ if (strcmp(pwd->pw_name, newname) != 0) {
+ pwd->pw_name = pw_checkname(newname, 0);
+ edited = true;
+ }
+ }
+
+ if (id >= 0 && pwd->pw_uid != id) {
+ pwd->pw_uid = id;
+ edited = true;
+ if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0)
+ errx(EX_DATAERR, "can't change uid of `root' account");
+ if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
+ warnx("WARNING: account `%s' will have a uid of 0 "
+ "(superuser access!)", pwd->pw_name);
+ }
+
+ if (grname && pwd->pw_uid != 0) {
+ grp = GETGRNAM(grname);
+ if (grp == NULL)
+ grp = GETGRGID(pw_checkid(grname, GID_MAX));
+ if (grp->gr_gid != pwd->pw_gid) {
+ pwd->pw_gid = grp->gr_gid;
+ edited = true;
+ }
+ }
+
+ if (password_days >= 0 && pwd->pw_change != password_days) {
+ pwd->pw_change = password_days;
+ edited = true;
+ }
+
+ if (expire_days >= 0 && pwd->pw_expire != expire_days) {
+ pwd->pw_expire = expire_days;
+ edited = true;
+ }
+
+ if (shell) {
+ shell = shell_path(cnf->shelldir, cnf->shells, shell);
+ if (shell == NULL)
+ shell = "";
+ if (strcmp(shell, pwd->pw_shell) != 0) {
+ pwd->pw_shell = shell;
+ edited = true;
+ }
+ }
+
+ if (class && strcmp(pwd->pw_class, class) != 0) {
+ pwd->pw_class = class;
+ edited = true;
+ }
+
+ if (homedir && strcmp(pwd->pw_dir, homedir) != 0) {
+ pwd->pw_dir = homedir;
+ edited = true;
+ if (fstatat(conf.rootfd, pwd->pw_dir, &st, 0) == -1) {
+ if (!createhome)
+ warnx("WARNING: home `%s' does not exist",
+ pwd->pw_dir);
+ else
+ docreatehome = true;
+ } else if (!S_ISDIR(st.st_mode)) {
+ warnx("WARNING: home `%s' is not a directory",
+ pwd->pw_dir);
+ }
+ }
+
+ if (passwd && conf.fd == -1) {
+ lc = login_getpwclass(pwd);
+ if (lc == NULL || login_setcryptfmt(lc, "sha512", NULL) == NULL)
+ warn("setting crypt(3) format");
+ login_close(lc);
+ cnf->default_password = boolean_val(passwd,
+ cnf->default_password);
+ pwd->pw_passwd = pw_password(cnf, pwd->pw_name, dryrun);
+ edited = true;
+ }
+
+ if (gecos && strcmp(pwd->pw_gecos, gecos) != 0) {
+ pwd->pw_gecos = gecos;
+ edited = true;
+ }
+
+ if (fd != -1)
+ edited = pw_set_passwd(pwd, fd, precrypted, true);
+
+ if (dryrun)
+ return (print_user(pwd, pretty, false));
+
+ if (edited) /* Only updated this if required */
+ perform_chgpwent(name, pwd, nis ? nispasswd : NULL);
+ /* Now perform the needed changes concern groups */
+ if (groups != NULL) {
+ /* Delete User from groups using old name */
+ SETGRENT();
+ while ((grp = GETGRENT()) != NULL) {
+ if (grp->gr_mem == NULL)
+ continue;
+ for (i = 0; grp->gr_mem[i] != NULL; i++) {
+ if (strcmp(grp->gr_mem[i] , name) != 0)
+ continue;
+ for (j = i; grp->gr_mem[j] != NULL ; j++)
+ grp->gr_mem[j] = grp->gr_mem[j+1];
+ chggrent(grp->gr_name, grp);
+ break;
+ }
+ }
+ ENDGRENT();
+ /* Add the user to the needed groups */
+ for (i = 0; i < groups->sl_cur; i++) {
+ grp = GETGRNAM(groups->sl_str[i]);
+ grp = gr_add(grp, pwd->pw_name);
+ if (grp == NULL)
+ continue;
+ chggrent(grp->gr_name, grp);
+ free(grp);
+ }
+ }
+ /* In case of rename we need to walk over the different groups */
+ if (newname) {
+ SETGRENT();
+ while ((grp = GETGRENT()) != NULL) {
+ if (grp->gr_mem == NULL)
+ continue;
+ for (i = 0; grp->gr_mem[i] != NULL; i++) {
+ if (strcmp(grp->gr_mem[i], name) != 0)
+ continue;
+ grp->gr_mem[i] = newname;
+ chggrent(grp->gr_name, grp);
+ break;
+ }
+ }
+ }
+
+ /* go get a current version of pwd */
+ if (newname)
+ name = newname;
+ pwd = GETPWNAM(name);
+ if (pwd == NULL)
+ errx(EX_NOUSER, "user '%s' disappeared during update", name);
+ grp = GETGRGID(pwd->pw_gid);
+ pw_log(cnf, M_UPDATE, W_USER, "%s(%ju):%s(%ju):%s:%s:%s",
+ pwd->pw_name, (uintmax_t)pwd->pw_uid,
+ grp ? grp->gr_name : "unknown",
+ (uintmax_t)(grp ? grp->gr_gid : (uid_t)-1),
+ pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell);
+
+ /*
+ * Let's create and populate the user's home directory. Note
+ * that this also `works' for editing users if -m is used, but
+ * existing files will *not* be overwritten.
+ */
+ if (PWALTDIR() != PWF_ALT && docreatehome && pwd->pw_dir &&
+ *pwd->pw_dir == '/' && pwd->pw_dir[1]) {
+ if (!skel)
+ skel = cnf->dotdir;
+ if (homemode == 0)
+ homemode = cnf->homemode;
+ create_and_populate_homedir(cnf, pwd, skel, homemode, true);
+ }
+
+ if (nis && nis_update() == 0)
+ pw_log(cnf, M_UPDATE, W_USER, "NIS maps updated");
+
+ return (EXIT_SUCCESS);
+}
git.ckatri.com / pw-darwin.git / blobdiff