diff options
Diffstat (limited to 'pw/pw_user.c')
| -rw-r--r-- | pw/pw_user.c | 2259 |
1 files changed, 915 insertions, 1344 deletions
diff --git a/pw/pw_user.c b/pw/pw_user.c index f133147..d6dad3f 100644 --- a/pw/pw_user.c +++ b/pw/pw_user.c @@ -30,131 +30,48 @@ static const char rcsid[] = "$FreeBSD$"; #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 <grp.h> -#include <pwd.h> -#include <libutil.h> -#include <login_cap.h> +#include <sys/param.h> +#include <dirent.h> #include <paths.h> -#include <string.h> -#include <sysexits.h> #include <termios.h> -#include <unistd.h> - +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.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 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); +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, 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 -mkdir_home_parents(int dfd, const char *dir) -{ - struct stat st; - char *dirs, *tmp; - - if (*dir != '/') - errx(EX_DATAERR, "invalid base directory for home '%s'", dir); - - dir++; - - 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); - } - - dirs = strdup(dir); - if (dirs == NULL) - errx(EX_UNAVAILABLE, "out of memory"); - - tmp = strrchr(dirs, '/'); - if (tmp == NULL) - return; - tmp[0] = '\0'; - - /* - * 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(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); - } - 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); - } - *tmp = '/'; - } - } - 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); - } - - free(dirs); -} - -static void -create_and_populate_homedir(struct userconf *cnf, struct passwd *pwd, - const char *skeldir, mode_t homemode, bool update) +create_and_populate_homedir(struct passwd *pwd) { + struct userconf *cnf = conf.userconf; + const char *skeldir; int skelfd = -1; - /* Create home parents directories */ - mkdir_home_parents(conf.rootfd, pwd->pw_dir); + skeldir = cnf->dotdir; if (skeldir != NULL && *skeldir != '\0') { if (*skeldir == '/') @@ -162,14 +79,14 @@ create_and_populate_homedir(struct userconf *cnf, struct passwd *pwd, skelfd = openat(conf.rootfd, skeldir, O_DIRECTORY|O_CLOEXEC); } - copymkdir(conf.rootfd, pwd->pw_dir, skelfd, homemode, pwd->pw_uid, + copymkdir(conf.rootfd, pwd->pw_dir, skelfd, cnf->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); + pw_log(cnf, M_ADD, W_USER, "%s(%u) home %s made", pwd->pw_name, + pwd->pw_uid, pwd->pw_dir); } static int -pw_set_passwd(struct passwd *pwd, int fd, bool precrypted, bool update) +set_passwd(struct passwd *pwd, bool update) { int b, istty; struct termios t, n; @@ -177,7 +94,7 @@ pw_set_passwd(struct passwd *pwd, int fd, bool precrypted, bool update) char line[_PASSWORD_LEN+1]; char *p; - if (fd == '-') { + if (conf.fd == '-') { if (!pwd->pw_passwd || *pwd->pw_passwd != '*') { pwd->pw_passwd = "*"; /* No access */ return (1); @@ -185,40 +102,40 @@ pw_set_passwd(struct passwd *pwd, int fd, bool precrypted, bool update) return (0); } - if ((istty = isatty(fd))) { - if (tcgetattr(fd, &t) == -1) + if ((istty = isatty(conf.fd))) { + if (tcgetattr(conf.fd, &t) == -1) istty = 0; else { n = t; n.c_lflag &= ~(ECHO); - tcsetattr(fd, TCSANOW, &n); + tcsetattr(conf.fd, TCSANOW, &n); printf("%s%spassword for user %s:", update ? "new " : "", - precrypted ? "encrypted " : "", + conf.precrypted ? "encrypted " : "", pwd->pw_name); fflush(stdout); } } - b = read(fd, line, sizeof(line) - 1); + b = read(conf.fd, line, sizeof(line) - 1); if (istty) { /* Restore state */ - tcsetattr(fd, TCSANOW, &t); + tcsetattr(conf.fd, TCSANOW, &t); fputc('\n', stdout); fflush(stdout); } if (b < 0) err(EX_IOERR, "-%c file descriptor", - precrypted ? 'H' : 'h'); + 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", - fd); - if (precrypted) { + conf.fd); + if (conf.precrypted) { if (strchr(line, ':') != NULL) errx(EX_DATAERR, "bad encrypted password"); - pwd->pw_passwd = strdup(line); + pwd->pw_passwd = line; } else { lc = login_getpwclass(pwd); if (lc == NULL || @@ -230,15 +147,54 @@ pw_set_passwd(struct passwd *pwd, int fd, bool precrypted, bool update) 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, char *nispasswd) +perform_chgpwent(const char *name, struct passwd *pwd) { 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) @@ -246,11 +202,11 @@ perform_chgpwent(const char *name, struct passwd *pwd, char *nispasswd) else if (rc != 0) err(EX_IOERR, "passwd file update"); - if (nispasswd && *nispasswd == '/') { - rc = chgnispwent(nispasswd, name, nispwd); + 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 if (rc != 0) + else warn("NIS passwd update"); /* NOTE: NIS-only update errors are not fatal */ } @@ -266,29 +222,19 @@ perform_chgpwent(const char *name, struct passwd *pwd, char *nispasswd) * that is a known limitation. */ static int -pw_userlock(char *arg1, int mode) +pw_userlock(char *name, long id, int mode) { struct passwd *pwd = NULL; char *passtmp = NULL; - char *name; bool locked = false; - uid_t id; - if (geteuid() != 0) - errx(EX_NOPERM, "you must be root"); - - if (arg1 == NULL) + if (id < 0 && name == NULL) errx(EX_DATAERR, "username or id required"); - if (arg1[strspn(arg1, "0123456789")] == '\0') - id = pw_checkid(arg1, UID_MAX); - else - name = arg1; - 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 uid `%ld'", id); errx(EX_NOUSER, "no such user `%s'", name); } @@ -311,87 +257,629 @@ pw_userlock(char *arg1, int mode) pwd->pw_passwd += sizeof(locked_str)-1; } - perform_chgpwent(name, pwd, NULL); + perform_chgpwent(name, pwd); free(passtmp); return (EXIT_SUCCESS); } -static uid_t -pw_uidpolicy(struct userconf * cnf, intmax_t id) +/*- + * -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(int mode, char *name, long id, struct cargs * args) { - struct passwd *pwd; - struct bitmap bm; - uid_t uid = (uid_t) - 1; + int rc, edited = 0; + char *p = NULL; + 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 = + { + "nouser", + "*", + -1, + -1, + 0, + "", + "User &", + "/nonexistent", + "/bin/sh", + 0 +#if defined(__FreeBSD__) + ,0 +#endif + }; + + cnf = conf.userconf; + + if (mode == M_NEXT) + 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)); /* - * Check the given uid, if any + * We can do all of the common legwork here */ - 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); + if ((arg = getarg(args, 'b')) != NULL) { + cnf->home = arg->val; + } + + 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); + } + + /* + * If we'll need to use it or we're updating it, + * then create the base home directory if necessary + */ + 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) { + snprintf(dbuf, MAXPATHLEN, "/usr%s", cnf->home); + 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) + 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); + *p = '/'; + } + } + if (stat(dbuf, &st) == -1) { + if (mkdir(dbuf, _DEF_DIRMODE) == -1) + 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 ((arg = getarg(args, 'L')) != NULL) + cnf->default_class = pw_checkname(arg->val, 0); + + if ((arg = getarg(args, 'G')) != NULL && arg->val) { + 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); + } + sl_add(cnf->groups, newstr(grp->gr_name)); + } + } + + if ((arg = getarg(args, 'k')) != NULL) { + 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) + cnf->shell_default = arg->val; + + if ((arg = getarg(args, 'w')) != NULL) + cnf->default_password = boolean_val(arg->val, cnf->default_password); + if (mode == M_ADD && getarg(args, 'D')) { + 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->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; + } + + if (write_userconfig(conf.config)) + return (EXIT_SUCCESS); + err(EX_IOERR, "config udpate"); + } + + if (name != NULL) + pwd = GETPWNAM(pw_checkname(name, 0)); + + if (id < 0 && name == NULL) + errx(EX_DATAERR, "user name or id required"); + + /* + * Update require that the user exists + */ + if (mode == M_UPDATE) { + + if (name == NULL && pwd == NULL) /* Try harder */ + pwd = 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; + + /* + * The rest is edit code + */ + if (conf.newname != NULL) { + if (strcmp(pwd->pw_name, "root") == 0) + errx(EX_DATAERR, "can't rename `root' account"); + pwd->pw_name = pw_checkname(conf.newname, 0); + edited = 1; + } + + 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"); + 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 && conf.fd == -1) { + 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, pwd->pw_name); + edited = 1; + } + + } else { + login_cap_t *lc; + + /* + * Add code + */ + + if (name == NULL) /* Required */ + errx(EX_DATAERR, "login name required"); + 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 = name; + pwd->pw_class = cnf->default_class ? cnf->default_class : ""; + 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, "sha512", NULL) == NULL) + warn("setting crypt(3) format"); + login_close(lc); + pwd->pw_passwd = pw_password(cnf, 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); + } + + /* + * Shared add/edit code + */ + if (conf.gecos != NULL) { + if (strcmp(pwd->pw_gecos, conf.gecos) != 0) { + pwd->pw_gecos = conf.gecos; + edited = 1; + } + } + + if (conf.fd != -1) + edited = set_passwd(pwd, mode == M_UPDATE); + + /* + * Special case: -N only displays & exits + */ + if (conf.dryrun) + return print_user(pwd); + + if (mode == M_ADD) { + edited = 1; /* Always */ + rc = addpwent(pwd); + 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) + 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 && 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 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: + * - 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); + } } + + + /* go get a current version of pwd */ + pwd = GETPWNAM(name); + if (pwd == NULL) { + /* This will fail when we rename, so special case that */ + 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", name); + + grp = GETGRGID(pwd->pw_gid); + 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); + /* - * 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 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 */ - if (cnf->min_uid >= cnf->max_uid) { /* Sanity - * claus^H^H^H^Hheck */ - cnf->min_uid = 1000; - cnf->max_uid = 32000; + if (mode == M_ADD) { + 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); + } } - bm = bm_alloc(cnf->max_uid - cnf->min_uid + 1); /* - * Now, let's fill the bitmap from the password file + * 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. */ - 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(); + if (PWALTDIR() != PWF_ALT && getarg(args, 'm') != NULL && pwd->pw_dir && + *pwd->pw_dir == '/' && pwd->pw_dir[1]) + create_and_populate_homedir(pwd); /* - * Then apply the policy, with fallback to reuse if necessary + * Finally, send mail to the new user as well, if we are asked to */ - 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); + 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(%u) new user mail sent", + pwd->pw_name, pwd->pw_uid); + } + fclose(fp); + } + + return EXIT_SUCCESS; +} + + +static uid_t +pw_uidpolicy(struct userconf * cnf, long id) +{ + struct passwd *pwd; + uid_t uid = (uid_t) - 1; /* - * Another sanity check + * Check the given uid, if any */ - 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); + if (id >= 0) { + uid = (uid_t) id; + + if ((pwd = GETPWUID(uid)) != NULL && conf.checkduplicate) + errx(EX_DATAERR, "uid `%u' has already been allocated", pwd->pw_uid); + } else { + struct bitmap bm; + + /* + * 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; } -static uid_t -pw_gidpolicy(struct userconf *cnf, char *grname, char *nam, gid_t prefer, bool dryrun) + +static uid_t +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 + */ + 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 (grname) { - if ((grp = GETGRNAM(grname)) == NULL) { - gid = pw_checkid(grname, GID_MAX); - grp = GETGRGID(gid); + 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); } 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 { - intmax_t grid = -1; + gid_t grid = -1; /* * We need to auto-create a group with the user's name. We @@ -404,27 +892,59 @@ pw_gidpolicy(struct userconf *cnf, char *grname, char *nam, gid_t prefer, bool d */ if (GETGRGID(prefer) == NULL) grid = prefer; - if (dryrun) { + if (conf.dryrun) { gid = pw_groupnext(cnf, true); } else { - if (grid == -1) - grid = pw_groupnext(cnf, true); - groupadd(cnf, nam, grid, NULL, -1, false, false, false); + pw_group(M_ADD, nam, grid, NULL); if ((grp = GETGRNAM(nam)) != NULL) gid = grp->gr_gid; } } ENDGRENT(); - return (gid); + return gid; +} + + +static time_t +pw_pwdpolicy(struct userconf * cnf, struct cargs * args) +{ + 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 * -pw_homepolicy(struct userconf * cnf, char *homedir, const char *user) + +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; +} + + +static char * +pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user) +{ + struct carg *arg = getarg(args, 'd'); static char home[128]; - if (homedir) - return (homedir); + if (arg) + return (arg->val); if (cnf->home == NULL || *cnf->home == '\0') errx(EX_CONFIG, "no base home directory set"); @@ -433,7 +953,7 @@ pw_homepolicy(struct userconf * cnf, char *homedir, const char *user) return (home); } -static char * +static char * shell_path(char const * path, char *shells[], char *sh) { if (sh != NULL && (*sh == '/' || *sh == '\0')) @@ -468,23 +988,29 @@ shell_path(char const * path, char *shells[], char *sh) } } -static char * -pw_shellpolicy(struct userconf * cnf) + +static char * +pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell) { + char *sh = newshell; + struct carg *arg = getarg(args, 's'); - return shell_path(cnf->shelldir, cnf->shells, cnf->shell_default); + if (newshell == NULL && arg != NULL) + sh = arg->val; + return shell_path(cnf->shelldir, cnf->shells, sh ? sh : 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]; /* @@ -500,8 +1026,9 @@ pw_pwcrypt(char *password) return strcpy(buf, cryptpw); } -static char * -pw_password(struct userconf * cnf, char const * user, bool dryrun) + +static char * +pw_password(struct userconf * cnf, char const * user) { int i, l; char pwbuf[32]; @@ -516,7 +1043,7 @@ pw_password(struct userconf * cnf, char const * user, bool dryrun) /* * We give this information back to the user */ - if (conf.fd == -1 && !dryrun) { + if (conf.fd == -1 && !conf.dryrun) { if (isatty(STDOUT_FILENO)) printf("Password for '%s' is: ", user); printf("%s\n", pwbuf); @@ -539,78 +1066,201 @@ pw_password(struct userconf * cnf, char const * user, bool dryrun) } static int -print_user(struct passwd * pwd, bool pretty, bool v7) +pw_userdel(char *name, long id) { - 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 (!pretty) { - p = v7 ? pw_make_v7(pwd) : pw_make(pwd); - printf("%s\n", p); - free(p); - return (EXIT_SUCCESS); + 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 ((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(wphone, p, sizeof(wphone)); - if ((p = strtok(NULL, "")) != NULL) { - strlcpy(hphone, p, sizeof(hphone)); - } - } + 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); } } /* - * Handle '&' in gecos field + * Save these for later, since contents of pwd may be + * invalidated by deletion */ - if ((p = strchr(uname, '&')) != NULL) { - int l = strlen(pwd->pw_name); - int m = strlen(p); + 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'; - memmove(p + l, p + 1, m); - memmove(p, pwd->pw_name, l); - *p = (char) toupper((unsigned char)*p); + 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 */ } - if (pwd->pw_expire > (time_t)0 && (tptr = localtime(&pwd->pw_expire)) != NULL) - strftime(acexpire, sizeof acexpire, "%c", tptr); + + 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) +{ + if (!conf.pretty) { + char *buf; + + buf = conf.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(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)); + } + } + } + } + /* + * 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); if (pwd->pw_change > (time_t)0 && (tptr = localtime(&pwd->pw_change)) != NULL) - 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; + strftime(pwexpire, sizeof pwexpire, "%c", tptr); + 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, 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); + 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; } - ++i; } } + ENDGRENT(); + printf("%s", j ? "\n" : ""); } - ENDGRENT(); - printf("%s", j ? "\n" : ""); - return (EXIT_SUCCESS); + return EXIT_SUCCESS; } char * @@ -666,12 +1316,13 @@ pw_checkname(char *name, int gecos) showch, (ch - name), showtype); } if (!gecos && (ch - name) > LOGNAMESIZE) - errx(EX_USAGE, "name too long `%s' (max is %d)", name, + errx(EX_DATAERR, "name too long `%s' (max is %d)", name, LOGNAMESIZE); return (name); } + static void rmat(uid_t uid) { @@ -689,8 +1340,7 @@ rmat(uid_t uid) st.st_uid == uid) { char tmp[MAXPATHLEN]; - snprintf(tmp, sizeof(tmp), "/usr/bin/atrm %s", - e->d_name); + snprintf(tmp, sizeof(tmp), "/usr/bin/atrm %s", e->d_name); system(tmp); } } @@ -727,1082 +1377,3 @@ rmopie(char const * name) */ 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); - } - pclose(pfp); - pw_log(cnf, M_ADD, W_USER, "%s(%ju) new user mail sent", - pwd->pw_name, (uintmax_t)pwd->pw_uid); - } - 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); -} |