#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>
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 int pw_userdel(char *name, long id);
+static int print_user(struct passwd * pwd);
+static uid_t pw_uidpolicy(struct userconf * cnf, long id);
+static uid_t pw_gidpolicy(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 *pw_password(struct userconf * cnf, 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 void
+create_and_populate_homedir(struct passwd *pwd)
+{
+ struct userconf *cnf = conf.userconf;
+ const char *skeldir;
+ int skelfd = -1;
+
+ skeldir = cnf->dotdir;
+
+ if (skeldir != NULL && *skeldir != '\0') {
+ if (*skeldir == '/')
+ skeldir++;
+ skelfd = openat(conf.rootfd, skeldir, O_DIRECTORY|O_CLOEXEC);
+ }
+
+ copymkdir(conf.rootfd, pwd->pw_dir, skelfd, cnf->homemode, pwd->pw_uid,
+ pwd->pw_gid, 0);
+ pw_log(cnf, M_ADD, W_USER, "%s(%u) home %s made", pwd->pw_name,
+ pwd->pw_uid, pwd->pw_dir);
+}
+
+static int
+set_passwd(struct passwd *pwd, bool update)
+{
+ int b, istty;
+ struct termios t, n;
+ login_cap_t *lc;
+ char line[_PASSWORD_LEN+1];
+ char *p;
+
+ if (conf.fd == '-') {
+ if (!pwd->pw_passwd || *pwd->pw_passwd != '*') {
+ pwd->pw_passwd = "*"; /* No access */
+ return (1);
+ }
+ return (0);
+ }
+
+ if ((istty = isatty(conf.fd))) {
+ if (tcgetattr(conf.fd, &t) == -1)
+ istty = 0;
+ else {
+ n = t;
+ n.c_lflag &= ~(ECHO);
+ tcsetattr(conf.fd, TCSANOW, &n);
+ printf("%s%spassword for user %s:",
+ update ? "new " : "",
+ conf.precrypted ? "encrypted " : "",
+ pwd->pw_name);
+ fflush(stdout);
+ }
+ }
+ b = read(conf.fd, line, sizeof(line) - 1);
+ if (istty) { /* Restore state */
+ tcsetattr(conf.fd, TCSANOW, &t);
+ fputc('\n', stdout);
+ fflush(stdout);
+ }
+
+ if (b < 0)
+ err(EX_IOERR, "-%c file descriptor",
+ conf.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",
+ conf.fd);
+ if (conf.precrypted) {
+ if (strchr(line, ':') != NULL)
+ errx(EX_DATAERR, "bad encrypted password");
+ pwd->pw_passwd = line;
+ } else {
+ 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_pwcrypt(line);
+ }
+ return (1);
+}
+
+int
+pw_usernext(struct userconf *cnf, bool quiet)
+{
+ uid_t next = pw_uidpolicy(cnf, -1);
+
+ if (quiet)
+ return (next);
+
+ printf("%u:", next);
+ pw_groupnext(cnf, quiet);
+
+ return (EXIT_SUCCESS);
+}
+
+static int
+pw_usershow(char *name, long id, struct passwd *fakeuser)
+{
+ struct passwd *pwd = NULL;
+
+ if (id < 0 && name == NULL && !conf.all)
+ errx(EX_DATAERR, "username or id or '-a' required");
+
+ if (conf.all) {
+ SETPWENT();
+ while ((pwd = GETPWENT()) != NULL)
+ print_user(pwd);
+ ENDPWENT();
+ return (EXIT_SUCCESS);
+ }
+
+ pwd = (name != NULL) ? GETPWNAM(pw_checkname(name, 0)) : GETPWUID(id);
+ if (pwd == NULL) {
+ if (conf.force) {
+ pwd = fakeuser;
+ } else {
+ if (name == NULL)
+ errx(EX_NOUSER, "no such uid `%ld'", id);
+ errx(EX_NOUSER, "no such user `%s'", name);
+ }
+ }
+
+ return (print_user(pwd));
+}
+
+static void
+perform_chgpwent(const char *name, struct passwd *pwd)
+{
+ int rc;
+
+ 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 (conf.userconf->nispasswd && *conf.userconf->nispasswd == '/') {
+ rc = chgnispwent(conf.userconf->nispasswd, name, 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 */
+ }
+}
+
+/*
+ * 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 *name, long id, int mode)
+{
+ struct passwd *pwd = NULL;
+ char *passtmp = NULL;
+ bool locked = false;
+
+ 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 `%ld'", id);
+ errx(EX_NOUSER, "no such user `%s'", name);
+ }
+
+ 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);
+ free(passtmp);
+
+ return (EXIT_SUCCESS);
+}
+
/*-
* -C config configuration file
* -q quiet operation
*/
int
-pw_user(struct userconf * cnf, int mode, struct cargs * args)
+pw_user(int mode, char *name, long id, struct cargs * args)
{
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;
+ struct userconf *cnf;
char line[_PASSWORD_LEN+1];
+ char path[MAXPATHLEN];
FILE *fp;
char *dmode_c;
void *set = NULL;
static struct passwd fakeuser =
{
- NULL,
+ "nouser",
"*",
-1,
-1,
#endif
};
+ cnf = conf.userconf;
- /*
- * 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;
- }
+ return (pw_usernext(cnf, conf.quiet));
+
+ if (mode == M_PRINT)
+ return (pw_usershow(name, id, &fakeuser));
+
+ if (mode == M_DELETE)
+ return (pw_userdel(name, id));
+
+ if (mode == M_LOCK || mode == M_UNLOCK)
+ return (pw_userlock(name, id, mode));
/*
* We can do all of the common legwork here
* 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);
+ snprintf(dbuf, MAXPATHLEN, "/usr%s", cnf->home);
if (mkdir(dbuf, _DEF_DIRMODE) != -1 || errno == EEXIST) {
chown(dbuf, 0, 0);
/*
*p = '\0';
if (stat(dbuf, &st) == -1) {
if (mkdir(dbuf, _DEF_DIRMODE) == -1)
- goto direrr;
+ err(EX_OSFILE, "mkdir '%s'", dbuf);
chown(dbuf, 0, 0);
} else if (!S_ISDIR(st.st_mode))
errx(EX_OSFILE, "'%s' (root home parent) is not a directory", dbuf);
}
}
if (stat(dbuf, &st) == -1) {
- if (mkdir(dbuf, _DEF_DIRMODE) == -1) {
- direrr: err(EX_OSFILE, "mkdir '%s'", dbuf);
- }
+ if (mkdir(dbuf, _DEF_DIRMODE) == -1)
+ err(EX_OSFILE, "mkdir '%s'", dbuf);
chown(dbuf, 0, 0);
}
} else if (!S_ISDIR(st.st_mode))
}
}
if ((arg = getarg(args, 'L')) != NULL)
- cnf->default_class = pw_checkname((u_char *)arg->val, 0);
+ cnf->default_class = pw_checkname(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);
}
- if (extendarray(&cnf->groups, &cnf->numgroups, i + 2) != -1)
- cnf->groups[i++] = newstr(grp->gr_name);
+ sl_add(cnf->groups, newstr(grp->gr_name));
}
- 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);
+ char *tmp = cnf->dotdir = arg->val;
+ if (*tmp == '/')
+ tmp++;
+ if ((fstatat(conf.rootfd, tmp, &st, 0) == -1) ||
+ !S_ISDIR(st.st_mode))
+ errx(EX_OSFILE, "skeleton `%s' is not a directory or "
+ "does not exist", cnf->dotdir);
}
if ((arg = getarg(args, 's')) != NULL)
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)
+ if (name != 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->max_gid = 32000;
}
- arg = getarg(args, 'C');
- if (write_userconfig(arg ? arg->val : NULL))
- return EXIT_SUCCESS;
- warn("config update");
- return EX_IOERR;
+ if (write_userconfig(conf.config))
+ return (EXIT_SUCCESS);
+ err(EX_IOERR, "config udpate");
}
- 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 (name != NULL)
+ pwd = GETPWNAM(pw_checkname(name, 0));
- 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");
-
- /*
- * 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;
- }
- }
+ if (id < 0 && name == NULL)
+ errx(EX_DATAERR, "user name or id required");
/*
- * Update, delete & print require that the user exists
+ * Update require that the user exists
*/
- if (mode == M_UPDATE || mode == M_DELETE ||
- mode == M_PRINT || mode == M_LOCK || mode == M_UNLOCK) {
+ if (mode == M_UPDATE) {
- if (a_name == NULL && pwd == NULL) /* Try harder */
- pwd = GETPWUID(atoi(a_uid->val));
+ if (name == NULL && pwd == NULL) /* Try harder */
+ pwd = GETPWUID(id);
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 (name == NULL)
+ errx(EX_NOUSER, "no such uid `%ld'", id);
+ errx(EX_NOUSER, "no such user `%s'", name);
}
- 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);
+ if (name == NULL)
+ name = pwd->pw_name;
/*
* The rest is edit code
*/
- if ((arg = getarg(args, 'l')) != NULL) {
+ if (conf.newname != 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);
+ pwd->pw_name = pw_checkname(conf.newname, 0);
edited = 1;
}
- if ((arg = getarg(args, 'u')) != NULL && isdigit((unsigned char)*arg->val)) {
- pwd->pw_uid = (uid_t) atol(arg->val);
+ if (id > 0 && isdigit((unsigned char)*arg->val)) {
+ pwd->pw_uid = (uid_t)id;
edited = 1;
if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0)
errx(EX_DATAERR, "can't change uid of `root' account");
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) {
+ if ((arg = getarg(args, 'w')) != NULL && conf.fd == -1) {
login_cap_t *lc;
lc = login_getpwclass(pwd);
login_setcryptfmt(lc, "sha512", NULL) == NULL)
warn("setting crypt(3) format");
login_close(lc);
- pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name);
+ pwd->pw_passwd = pw_password(cnf, pwd->pw_name);
edited = 1;
}
* Add code
*/
- if (a_name == NULL) /* Required */
+ if (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);
+ else if ((pwd = GETPWNAM(name)) != NULL) /* Exists */
+ errx(EX_DATAERR, "login name `%s' already exists", name);
/*
* Now, set up defaults for a new user
*/
pwd = &fakeuser;
- pwd->pw_name = a_name->val;
+ pwd->pw_name = name;
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_uid = pw_uidpolicy(cnf, id);
+ pwd->pw_gid = pw_gidpolicy(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);
+ pwd->pw_passwd = pw_password(cnf, pwd->pw_name);
edited = 1;
if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
/*
* 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;
+ if (conf.gecos != NULL) {
+ if (strcmp(pwd->pw_gecos, conf.gecos) != 0) {
+ pwd->pw_gecos = conf.gecos;
edited = 1;
}
}
- 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;
- }
- }
+ if (conf.fd != -1)
+ edited = set_passwd(pwd, mode == M_UPDATE);
/*
* Special case: -N only displays & exits
*/
- if (getarg(args, 'N') != NULL)
- return print_user(pwd,
- getarg(args, 'P') != NULL,
- getarg(args, '7') != NULL);
+ if (conf.dryrun)
+ return print_user(pwd);
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 (rc == -1)
+ errx(EX_IOERR, "user '%s' already exists",
+ pwd->pw_name);
+ else if (rc != 0)
+ err(EX_IOERR, "passwd file update");
if (cnf->nispasswd && *cnf->nispasswd=='/') {
rc = addnispwent(cnf->nispasswd, pwd);
if (rc == -1)
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 */
- }
- }
- }
+ } else if (mode == M_UPDATE && edited) /* Only updated this if required */
+ perform_chgpwent(name, pwd);
/*
* 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]);
+ int j;
+ size_t i;
+ /* First remove the user from all group */
+ SETGRENT();
+ while ((grp = GETGRENT()) != NULL) {
+ char group[MAXLOGNAME];
+ if (grp->gr_mem == NULL)
+ continue;
+ for (i = 0; grp->gr_mem[i] != NULL; i++) {
+ if (strcmp(grp->gr_mem[i] , pwd->pw_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();
+
+ /* now add to group where needed */
+ for (i = 0; i < cnf->groups->sl_cur; i++) {
+ grp = GETGRNAM(cnf->groups->sl_str[i]);
grp = gr_add(grp, pwd->pw_name);
/*
* grp can only be NULL in 2 cases:
*/
if (grp == NULL)
continue;
- chggrent(cnf->groups[i], grp);
+ chggrent(grp->gr_name, grp);
free(grp);
}
}
/* go get a current version of pwd */
- pwd = GETPWNAM(a_name->val);
+ pwd = GETPWNAM(name);
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 (mode == M_UPDATE && conf.newname != NULL) {
+ name = conf.newname; /* update new name */
+ pwd = GETPWNAM(name); /* refetch renamed rec */
}
}
if (pwd == NULL) /* can't go on without this */
- errx(EX_NOUSER, "user '%s' disappeared during update", a_name->val);
+ errx(EX_NOUSER, "user '%s' disappeared during update", name);
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),
+ pw_log(cnf, mode, W_USER, "%s(%u):%s(%u):%s:%s:%s",
+ pwd->pw_name, pwd->pw_uid,
+ grp ? grp->gr_name : "unknown", (grp ? grp->gr_gid : (uid_t)-1),
pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell);
/*
* doesn't hurt anything to create the empty mailfile
*/
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 (PWALTDIR() != PWF_ALT) {
+ snprintf(path, sizeof(path), "%s/%s", _PATH_MAILDIR,
+ pwd->pw_name);
+ close(openat(conf.rootfd, path +1, O_RDWR | O_CREAT,
+ 0600)); /* Preserve contents & mtime */
+ fchownat(conf.rootfd, path + 1, pwd->pw_uid,
+ pwd->pw_gid, AT_SYMLINK_NOFOLLOW);
}
}
* that this also `works' for editing users if -m is used, but
* existing files will *not* be overwritten.
*/
- 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 (PWALTDIR() != PWF_ALT && getarg(args, 'm') != NULL && pwd->pw_dir &&
+ *pwd->pw_dir == '/' && pwd->pw_dir[1])
+ create_and_populate_homedir(pwd);
/*
* Finally, send mail to the new user as well, if we are asked to
fputs(line, pfp);
}
pclose(pfp);
- pw_log(cnf, mode, W_USER, "%s(%ld) new user mail sent",
- pwd->pw_name, (long) pwd->pw_uid);
+ pw_log(cnf, mode, W_USER, "%s(%u) new user mail sent",
+ pwd->pw_name, pwd->pw_uid);
}
fclose(fp);
}
static uid_t
-pw_uidpolicy(struct userconf * cnf, struct cargs * args)
+pw_uidpolicy(struct userconf * cnf, long id)
{
struct passwd *pwd;
uid_t uid = (uid_t) - 1;
- struct carg *a_uid = getarg(args, 'u');
/*
* Check the given uid, if any
*/
- if (a_uid != NULL) {
- uid = (uid_t) atol(a_uid->val);
+ if (id >= 0) {
+ uid = (uid_t) id;
- if ((pwd = GETPWUID(uid)) != NULL && getarg(args, 'o') == NULL)
- errx(EX_DATAERR, "uid `%ld' has already been allocated", (long) pwd->pw_uid);
+ if ((pwd = GETPWUID(uid)) != NULL && conf.checkduplicate)
+ errx(EX_DATAERR, "uid `%u' has already been allocated", pwd->pw_uid);
} else {
struct bitmap bm;
static uid_t
-pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer)
+pw_gidpolicy(struct cargs * args, char *nam, gid_t prefer)
{
struct group *grp;
gid_t gid = (uid_t) - 1;
struct carg *a_gid = getarg(args, 'g');
+ struct userconf *cnf = conf.userconf;
/*
* If no arg given, see if default can help out
(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);
+ gid_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 (conf.dryrun) {
+ gid = pw_groupnext(cnf, true);
+ } else {
+ pw_group(M_ADD, nam, grid, NULL);
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;
pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user)
{
struct carg *arg = getarg(args, 'd');
+ static char home[128];
if (arg)
- return arg->val;
- else {
- static char home[128];
+ return (arg->val);
- if (cnf->home == NULL || *cnf->home == '\0')
- errx(EX_CONFIG, "no base home directory set");
- sprintf(home, "%s/%s", cnf->home, user);
- return home;
- }
+ 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 *
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_password(struct userconf * cnf, struct cargs * args, char const * user)
+pw_password(struct userconf * cnf, char const * user)
{
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 && !conf.dryrun) {
if (isatty(STDOUT_FILENO))
printf("Password for '%s' is: ", user);
printf("%s\n", pwbuf);
return pw_pwcrypt(pwbuf);
}
+static int
+pw_userdel(char *name, long id)
+{
+ struct passwd *pwd = NULL;
+ char file[MAXPATHLEN];
+ char home[MAXPATHLEN];
+ uid_t uid;
+ struct group *gr, *grp;
+ char grname[LOGNAMESIZE];
+ int rc;
+ struct stat st;
+
+ 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 `%ld'", id);
+ errx(EX_NOUSER, "no such user `%s'", name);
+ }
+ uid = 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 (conf.userconf->nispasswd && *conf.userconf->nispasswd=='/') {
+ rc = delnispwent(conf.userconf->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");
+ /* non-fatal */
+ }
+
+ 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(conf.userconf, M_DELETE, W_USER, "%s(%u) account removed", name,
+ uid);
+
+ /* Remove mail file */
+ if (PWALTDIR() != PWF_ALT)
+ unlinkat(conf.rootfd, file + 1, 0);
+
+ /* Remove at jobs */
+ if (!PWALTDIR() && getpwuid(uid) == NULL)
+ rmat(uid);
+
+ /* Remove home directory and contents */
+ if (PWALTDIR() != PWF_ALT && conf.deletehome && *home == '/' &&
+ getpwuid(uid) == NULL &&
+ fstatat(conf.rootfd, home + 1, &st, 0) != -1) {
+ rm_r(conf.rootfd, home, uid);
+ pw_log(conf.userconf, M_DELETE, W_USER, "%s(%u) home '%s' %s"
+ "removed", name, uid, home,
+ fstatat(conf.rootfd, home + 1, &st, 0) == -1 ? "" : "not "
+ "completely ");
+ }
+
+ return (EXIT_SUCCESS);
+}
static int
-print_user(struct passwd * pwd, int pretty, int v7)
+print_user(struct passwd * pwd)
{
- if (!pretty) {
+ if (!conf.pretty) {
char *buf;
- if (!v7)
- pwd->pw_passwd = (pwd->pw_passwd == NULL) ? "" : "*";
-
- buf = v7 ? pw_make_v7(pwd) : pw_make(pwd);
+ buf = conf.v7 ? pw_make_v7(pwd) : pw_make(pwd);
printf("%s\n", buf);
free(buf);
} else {
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"
+ printf("Login Name: %-15s #%-12u Group: %-15s #%u\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,
+ pwd->pw_name, pwd->pw_uid,
+ grp ? grp->gr_name : "(invalid)", pwd->pw_gid,
uname, pwd->pw_dir, pwd->pw_class,
pwd->pw_shell, office, wphone, hphone,
acexpire, pwexpire);
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 (!gecos && (ch - name) > LOGNAMESIZE)
errx(EX_DATAERR, "name too long `%s' (max is %d)", name,
LOGNAMESIZE);
- return (char *)name;
+
+ return (name);
}
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;
- }
- atofs = ftell(fp);
+ 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;
}
- /*
- * If we got an error of any sort, don't update!
- */
- fclose(fp);
+ atofs = ftell(fp);
}
+ /*
+ * If we got an error of any sort, don't update!
+ */
+ fclose(fp);
}
-
git.ckatri.com / pw-darwin.git / blobdiff