X-Git-Url: https://git.cameronkatri.com/pw-darwin.git/blobdiff_plain/87189f48bb3ff275026600ac63f7f684d92a7f3a..44a564bd4185ea1e172a8f310d13f71f24abf73f:/pw/pw_user.c diff --git a/pw/pw_user.c b/pw/pw_user.c index 483148a..ea3cb3d 100644 --- a/pw/pw_user.c +++ b/pw/pw_user.c @@ -40,7 +40,6 @@ static const char rcsid[] = #include #include #include -#include #include #include #include @@ -52,9 +51,11 @@ static const char rcsid[] = 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 delete_user(struct userconf *cnf, struct passwd *pwd, + char *name, int delete, int mode); +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); @@ -64,6 +65,27 @@ 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(int mode, struct passwd *pwd) +{ + char *homedir, *dotdir; + struct userconf *cnf = conf.userconf; + + homedir = dotdir = NULL; + + if (conf.rootdir[0] != '\0') { + asprintf(&homedir, "%s/%s", conf.rootdir, pwd->pw_dir); + if (homedir == NULL) + errx(EX_OSERR, "out of memory"); + asprintf(&dotdir, "%s/%s", conf.rootdir, cnf->dotdir); + } + + copymkdir(homedir ? homedir : pwd->pw_dir, dotdir ? dotdir: cnf->dotdir, + cnf->homemode, pwd->pw_uid, pwd->pw_gid); + pw_log(cnf, mode, W_USER, "%s(%u) home %s made", pwd->pw_name, + pwd->pw_uid, pwd->pw_dir); +} + /*- * -C config configuration file * -q quiet operation @@ -97,18 +119,18 @@ static void rmopie(char const * name); */ 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; @@ -130,19 +152,16 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) #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; + if (mode == M_NEXT) { + printf("%u:", pw_uidpolicy(cnf, id)); + pw_group(mode, name, -1, args); + return (EXIT_SUCCESS); } /* @@ -185,8 +204,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * 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); /* @@ -242,7 +260,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) } } 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; @@ -270,7 +288,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) 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) @@ -285,46 +303,24 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) 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); + print_user(pwd); ENDPWENT(); return EXIT_SUCCESS; } - 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"); + if (name != NULL) + pwd = GETPWNAM(pw_checkname(name, 0)); - /* - * 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; - } - } else { - if (strspn(a_uid->val, "0123456789") != strlen(a_uid->val)) - errx(EX_USAGE, "-u expects a number"); - } + if (id < 0 && name == NULL) + errx(EX_DATAERR, "user name or id required"); /* * Update, delete & print require that the user exists @@ -332,24 +328,22 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) if (mode == M_UPDATE || mode == M_DELETE || mode == M_PRINT || mode == M_LOCK || mode == M_UNLOCK) { - if (a_name == NULL && pwd == NULL) /* Try harder */ - pwd = GETPWUID(atoi(a_uid->val)); + if (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); + fakeuser.pw_name = name ? name : "nouser"; + fakeuser.pw_uid = (uid_t) id; + return print_user(&fakeuser); } - 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)); + if (name == NULL) + name = pwd->pw_name; /* * The M_LOCK and M_UNLOCK functions simply add or remove @@ -364,11 +358,9 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) 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)); + asprintf(&passtmp, "%s%s", locked_str, pwd->pw_passwd); 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) { @@ -376,130 +368,24 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) 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, j; - 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)) { - 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, 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); + } else if (mode == M_DELETE) + return (delete_user(cnf, pwd, name, + getarg(args, 'r') != NULL, mode)); + else if (mode == M_PRINT) + return print_user(pwd); /* * 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"); @@ -600,19 +486,19 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * 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); @@ -632,7 +518,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * Shared add/edit code */ if ((arg = getarg(args, 'c')) != NULL) { - char *gecos = pw_checkname((u_char *)arg->val, 1); + char *gecos = pw_checkname(arg->val, 1); if (strcmp(pwd->pw_gecos, gecos) != 0) { pwd->pw_gecos = gecos; edited = 1; @@ -676,11 +562,9 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) fputc('\n', stdout); fflush(stdout); } - if (b < 0) { - warn("-%c file descriptor", precrypt ? 'H' : - 'h'); - return EX_IOERR; - } + if (b < 0) + err(EX_IOERR, "-%c file descriptor", + precrypt ? 'H' : 'h'); line[b] = '\0'; if ((p = strpbrk(line, "\r\n")) != NULL) *p = '\0'; @@ -705,21 +589,17 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) /* * 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) @@ -730,16 +610,13 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) } } 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; - } + 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 ( cnf->nispasswd && *cnf->nispasswd=='/') { - rc = chgnispwent(cnf->nispasswd, a_name->val, pwd); + rc = chgnispwent(cnf->nispasswd, name, pwd); if (rc == -1) warn("User '%s' not found in NIS passwd", pwd->pw_name); else @@ -791,21 +668,21 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) /* 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); /* @@ -814,11 +691,13 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * 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 & + if (PWALTDIR() != PWF_ALT) { + arg = getarg(args, 'R'); + snprintf(path, sizeof(path), "%s%s/%s", + arg ? arg->val : "", _PATH_MAILDIR, pwd->pw_name); + close(open(path, O_RDWR | O_CREAT, 0600)); /* Preserve contents & * mtime */ - chown(line, pwd->pw_uid, pwd->pw_gid); + chown(path, pwd->pw_uid, pwd->pw_gid); } } @@ -827,12 +706,9 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * 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(mode, pwd); /* * Finally, send mail to the new user as well, if we are asked to @@ -849,8 +725,8 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) 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); } @@ -860,20 +736,19 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) 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; @@ -916,11 +791,12 @@ pw_uidpolicy(struct userconf * cnf, struct cargs * args) 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 @@ -947,7 +823,6 @@ pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer char tmp[32]; LIST_INIT(&grpargs); - addarg(&grpargs, 'n', nam); /* * We need to auto-create a group with the user's name. We @@ -959,18 +834,16 @@ pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer * function will happily handle that case for us and exit. */ if (GETGRGID(prefer) == NULL) { - sprintf(tmp, "%lu", (unsigned long) prefer); + snprintf(tmp, sizeof(tmp), "%u", prefer); addarg(&grpargs, 'g', tmp); } - if (getarg(args, 'N')) - { - addarg(&grpargs, 'N', NULL); + if (conf.dryrun) { addarg(&grpargs, 'q', NULL); - gid = pw_group(cnf, M_NEXT, &grpargs); + gid = pw_group(M_NEXT, nam, -1, &grpargs); } else { - pw_group(cnf, M_ADD, &grpargs); + pw_group(M_ADD, nam, -1, &grpargs); if ((grp = GETGRNAM(nam)) != NULL) gid = grp->gr_gid; } @@ -1022,17 +895,16 @@ static char * 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 * @@ -1053,12 +925,12 @@ shell_path(char const * path, char *shells[], char *sh) 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; } @@ -1126,7 +998,7 @@ pw_password(struct userconf * cnf, struct cargs * args, char const * user) * We give this information back to the user */ if (getarg(args, 'h') == NULL && getarg(args, 'H') == NULL && - getarg(args, 'N') == NULL) { + !conf.dryrun) { if (isatty(STDOUT_FILENO)) printf("Password for '%s' is: ", user); printf("%s\n", pwbuf); @@ -1148,17 +1020,124 @@ pw_password(struct userconf * cnf, struct cargs * args, char const * user) return pw_pwcrypt(pwbuf); } +static int +delete_user(struct userconf *cnf, struct passwd *pwd, char *name, + int delete, int mode) +{ + char file[MAXPATHLEN]; + char home[MAXPATHLEN]; + uid_t uid = pwd->pw_uid; + struct group *gr, *grp; + char grname[LOGNAMESIZE]; + int rc; + struct stat st; + + 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) { + 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 (cnf->nispasswd && *cnf->nispasswd=='/') { + rc = delnispwent(cnf->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(cnf, mode, W_USER, "%s(%u) account removed", name, uid); + + if (!PWALTDIR()) { + /* + * Remove mail file + */ + remove(file); + + /* + * Remove at jobs + */ + if (getpwuid(uid) == NULL) + rmat(uid); + + /* + * Remove home directory and contents + */ + if (delete && *home == '/' && getpwuid(uid) == NULL && + stat(home, &st) != -1) { + rm_r(home, uid); + pw_log(cnf, mode, W_USER, "%s(%u) home '%s' %sremoved", + name, uid, home, + stat(home, &st) == -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 { @@ -1198,14 +1177,14 @@ print_user(struct passwd * pwd, int pretty, int v7) 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); @@ -1232,11 +1211,11 @@ print_user(struct passwd * pwd, int pretty, int v7) 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; @@ -1287,7 +1266,8 @@ pw_checkname(u_char *name, int gecos) if (!gecos && (ch - name) > LOGNAMESIZE) errx(EX_DATAERR, "name too long `%s' (max is %d)", name, LOGNAMESIZE); - return (char *)name; + + return (name); } @@ -1308,7 +1288,7 @@ rmat(uid_t uid) st.st_uid == uid) { char tmp[MAXPATHLEN]; - sprintf(tmp, "/usr/bin/atrm %s", e->d_name); + snprintf(tmp, sizeof(tmp), "/usr/bin/atrm %s", e->d_name); system(tmp); } }