diff options
Diffstat (limited to 'pw/pw_conf.c')
| -rw-r--r-- | pw/pw_conf.c | 516 |
1 files changed, 0 insertions, 516 deletions
diff --git a/pw/pw_conf.c b/pw/pw_conf.c deleted file mode 100644 index 51672b9..0000000 --- a/pw/pw_conf.c +++ /dev/null @@ -1,516 +0,0 @@ -/*- - * Copyright (C) 1996 - * David L. Nugent. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <string.h> -#include <ctype.h> -#include <fcntl.h> - -#include "pw.h" - -#define debugging 0 - -enum { - _UC_NONE, - _UC_DEFAULTPWD, - _UC_REUSEUID, - _UC_REUSEGID, - _UC_NISPASSWD, - _UC_DOTDIR, - _UC_NEWMAIL, - _UC_LOGFILE, - _UC_HOMEROOT, - _UC_HOMEMODE, - _UC_SHELLPATH, - _UC_SHELLS, - _UC_DEFAULTSHELL, - _UC_DEFAULTGROUP, - _UC_EXTRAGROUPS, - _UC_DEFAULTCLASS, - _UC_MINUID, - _UC_MAXUID, - _UC_MINGID, - _UC_MAXGID, - _UC_EXPIRE, - _UC_PASSWORD, - _UC_FIELDS -}; - -static char bourne_shell[] = "sh"; - -static char *system_shells[_UC_MAXSHELLS] = -{ - bourne_shell, - "csh", - "tcsh" -}; - -static char const *booltrue[] = -{ - "yes", "true", "1", "on", NULL -}; -static char const *boolfalse[] = -{ - "no", "false", "0", "off", NULL -}; - -static struct userconf config = -{ - 0, /* Default password for new users? (nologin) */ - 0, /* Reuse uids? */ - 0, /* Reuse gids? */ - NULL, /* NIS version of the passwd file */ - "/usr/share/skel", /* Where to obtain skeleton files */ - NULL, /* Mail to send to new accounts */ - "/var/log/userlog", /* Where to log changes */ - "/home", /* Where to create home directory */ - 0777, /* Home directory perms, modified by umask */ - "/bin", /* Where shells are located */ - system_shells, /* List of shells (first is default) */ - bourne_shell, /* Default shell */ - NULL, /* Default group name */ - NULL, /* Default (additional) groups */ - NULL, /* Default login class */ - 1000, 32000, /* Allowed range of uids */ - 1000, 32000, /* Allowed range of gids */ - 0, /* Days until account expires */ - 0, /* Days until password expires */ - 0 /* size of default_group array */ -}; - -static char const *comments[_UC_FIELDS] = -{ - "#\n# pw.conf - user/group configuration defaults\n#\n", - "\n# Password for new users? no=nologin yes=loginid none=blank random=random\n", - "\n# Reuse gaps in uid sequence? (yes or no)\n", - "\n# Reuse gaps in gid sequence? (yes or no)\n", - "\n# Path to the NIS passwd file (blank or 'no' for none)\n", - "\n# Obtain default dotfiles from this directory\n", - "\n# Mail this file to new user (/etc/newuser.msg or no)\n", - "\n# Log add/change/remove information in this file\n", - "\n# Root directory in which $HOME directory is created\n", - "\n# Mode for the new $HOME directory, will be modified by umask\n", - "\n# Colon separated list of directories containing valid shells\n", - "\n# Comma separated list of available shells (without paths)\n", - "\n# Default shell (without path)\n", - "\n# Default group (leave blank for new group per user)\n", - "\n# Extra groups for new users\n", - "\n# Default login class for new users\n", - "\n# Range of valid default user ids\n", - NULL, - "\n# Range of valid default group ids\n", - NULL, - "\n# Days after which account expires (0=disabled)\n", - "\n# Days after which password expires (0=disabled)\n" -}; - -static char const *kwds[] = -{ - "", - "defaultpasswd", - "reuseuids", - "reusegids", - "nispasswd", - "skeleton", - "newmail", - "logfile", - "home", - "homemode", - "shellpath", - "shells", - "defaultshell", - "defaultgroup", - "extragroups", - "defaultclass", - "minuid", - "maxuid", - "mingid", - "maxgid", - "expire_days", - "password_days", - NULL -}; - -static char * -unquote(char const * str) -{ - if (str && (*str == '"' || *str == '\'')) { - char *p = strchr(str + 1, *str); - - if (p != NULL) - *p = '\0'; - return (char *) (*++str ? str : NULL); - } - return (char *) str; -} - -int -boolean_val(char const * str, int dflt) -{ - if ((str = unquote(str)) != NULL) { - int i; - - for (i = 0; booltrue[i]; i++) - if (strcmp(str, booltrue[i]) == 0) - return 1; - for (i = 0; boolfalse[i]; i++) - if (strcmp(str, boolfalse[i]) == 0) - return 0; - - /* - * Special cases for defaultpassword - */ - if (strcmp(str, "random") == 0) - return -1; - if (strcmp(str, "none") == 0) - return -2; - } - return dflt; -} - -char const * -boolean_str(int val) -{ - if (val == -1) - return "random"; - else if (val == -2) - return "none"; - else - return val ? booltrue[0] : boolfalse[0]; -} - -char * -newstr(char const * p) -{ - char *q = NULL; - - if ((p = unquote(p)) != NULL) { - int l = strlen(p) + 1; - - if ((q = malloc(l)) != NULL) - memcpy(q, p, l); - } - return q; -} - -#define LNBUFSZ 1024 - - -struct userconf * -read_userconfig(char const * file) -{ - FILE *fp; - - extendarray(&config.groups, &config.numgroups, 200); - memset(config.groups, 0, config.numgroups * sizeof(char *)); - if (file == NULL) - file = _PATH_PW_CONF; - if ((fp = fopen(file, "r")) != NULL) { - int buflen = LNBUFSZ; - char *buf = malloc(buflen); - - nextline: - while (fgets(buf, buflen, fp) != NULL) { - char *p; - - while ((p = strchr(buf, '\n')) == NULL) { - int l; - if (extendline(&buf, &buflen, buflen + LNBUFSZ) == -1) { - int ch; - while ((ch = fgetc(fp)) != '\n' && ch != EOF); - goto nextline; /* Ignore it */ - } - l = strlen(buf); - if (fgets(buf + l, buflen - l, fp) == NULL) - break; /* Unterminated last line */ - } - - if (p != NULL) - *p = '\0'; - - if (*buf && (p = strtok(buf, " \t\r\n=")) != NULL && *p != '#') { - static char const toks[] = " \t\r\n,="; - char *q = strtok(NULL, toks); - int i = 0; - mode_t *modeset; - - while (i < _UC_FIELDS && strcmp(p, kwds[i]) != 0) - ++i; -#if debugging - if (i == _UC_FIELDS) - printf("Got unknown kwd `%s' val=`%s'\n", p, q ? q : ""); - else - printf("Got kwd[%s]=%s\n", p, q); -#endif - switch (i) { - case _UC_DEFAULTPWD: - config.default_password = boolean_val(q, 1); - break; - case _UC_REUSEUID: - config.reuse_uids = boolean_val(q, 0); - break; - case _UC_REUSEGID: - config.reuse_gids = boolean_val(q, 0); - break; - case _UC_NISPASSWD: - config.nispasswd = (q == NULL || !boolean_val(q, 1)) - ? NULL : newstr(q); - break; - case _UC_DOTDIR: - config.dotdir = (q == NULL || !boolean_val(q, 1)) - ? NULL : newstr(q); - break; - case _UC_NEWMAIL: - config.newmail = (q == NULL || !boolean_val(q, 1)) - ? NULL : newstr(q); - break; - case _UC_LOGFILE: - config.logfile = (q == NULL || !boolean_val(q, 1)) - ? NULL : newstr(q); - break; - case _UC_HOMEROOT: - config.home = (q == NULL || !boolean_val(q, 1)) - ? "/home" : newstr(q); - break; - case _UC_HOMEMODE: - modeset = setmode(q); - config.homemode = (q == NULL || !boolean_val(q, 1)) - ? 0777 : getmode(modeset, 0777); - free(modeset); - break; - case _UC_SHELLPATH: - config.shelldir = (q == NULL || !boolean_val(q, 1)) - ? "/bin" : newstr(q); - break; - case _UC_SHELLS: - for (i = 0; i < _UC_MAXSHELLS && q != NULL; i++, q = strtok(NULL, toks)) - system_shells[i] = newstr(q); - if (i > 0) - while (i < _UC_MAXSHELLS) - system_shells[i++] = NULL; - break; - case _UC_DEFAULTSHELL: - config.shell_default = (q == NULL || !boolean_val(q, 1)) - ? (char *) bourne_shell : newstr(q); - break; - case _UC_DEFAULTGROUP: - q = unquote(q); - config.default_group = (q == NULL || !boolean_val(q, 1) || GETGRNAM(q) == NULL) - ? NULL : newstr(q); - break; - case _UC_EXTRAGROUPS: - for (i = 0; q != NULL; q = strtok(NULL, toks)) { - if (extendarray(&config.groups, &config.numgroups, i + 2) != -1) - config.groups[i++] = newstr(q); - } - if (i > 0) - while (i < config.numgroups) - config.groups[i++] = NULL; - break; - case _UC_DEFAULTCLASS: - config.default_class = (q == NULL || !boolean_val(q, 1)) - ? NULL : newstr(q); - break; - case _UC_MINUID: - if ((q = unquote(q)) != NULL && isdigit(*q)) - config.min_uid = (uid_t) atol(q); - break; - case _UC_MAXUID: - if ((q = unquote(q)) != NULL && isdigit(*q)) - config.max_uid = (uid_t) atol(q); - break; - case _UC_MINGID: - if ((q = unquote(q)) != NULL && isdigit(*q)) - config.min_gid = (gid_t) atol(q); - break; - case _UC_MAXGID: - if ((q = unquote(q)) != NULL && isdigit(*q)) - config.max_gid = (gid_t) atol(q); - break; - case _UC_EXPIRE: - if ((q = unquote(q)) != NULL && isdigit(*q)) - config.expire_days = atoi(q); - break; - case _UC_PASSWORD: - if ((q = unquote(q)) != NULL && isdigit(*q)) - config.password_days = atoi(q); - break; - case _UC_FIELDS: - case _UC_NONE: - break; - } - } - } - free(buf); - fclose(fp); - } - return &config; -} - - -int -write_userconfig(char const * file) -{ - int fd; - - if (file == NULL) - file = _PATH_PW_CONF; - - if ((fd = open(file, O_CREAT | O_RDWR | O_TRUNC | O_EXLOCK, 0644)) != -1) { - FILE *fp; - - if ((fp = fdopen(fd, "w")) == NULL) - close(fd); - else { - int i, j, k; - int len = LNBUFSZ; - char *buf = malloc(len); - - for (i = _UC_NONE; i < _UC_FIELDS; i++) { - int quote = 1; - char const *val = buf; - - *buf = '\0'; - switch (i) { - case _UC_DEFAULTPWD: - val = boolean_str(config.default_password); - break; - case _UC_REUSEUID: - val = boolean_str(config.reuse_uids); - break; - case _UC_REUSEGID: - val = boolean_str(config.reuse_gids); - break; - case _UC_NISPASSWD: - val = config.nispasswd ? config.nispasswd : ""; - quote = 0; - break; - case _UC_DOTDIR: - val = config.dotdir ? config.dotdir : boolean_str(0); - break; - case _UC_NEWMAIL: - val = config.newmail ? config.newmail : boolean_str(0); - break; - case _UC_LOGFILE: - val = config.logfile ? config.logfile : boolean_str(0); - break; - case _UC_HOMEROOT: - val = config.home; - break; - case _UC_HOMEMODE: - sprintf(buf, "%04o", config.homemode); - quote = 0; - break; - case _UC_SHELLPATH: - val = config.shelldir; - break; - case _UC_SHELLS: - for (j = k = 0; j < _UC_MAXSHELLS && system_shells[j] != NULL; j++) { - char lbuf[64]; - int l = snprintf(lbuf, sizeof lbuf, "%s\"%s\"", k ? "," : "", system_shells[j]); - if (l < 0) - l = 0; - if (l + k + 1 < len || extendline(&buf, &len, len + LNBUFSZ) != -1) { - strcpy(buf + k, lbuf); - k += l; - } - } - quote = 0; - break; - case _UC_DEFAULTSHELL: - val = config.shell_default ? config.shell_default : bourne_shell; - break; - case _UC_DEFAULTGROUP: - val = config.default_group ? config.default_group : ""; - break; - case _UC_EXTRAGROUPS: - extendarray(&config.groups, &config.numgroups, 200); - for (j = k = 0; j < config.numgroups && config.groups[j] != NULL; j++) { - char lbuf[64]; - int l = snprintf(lbuf, sizeof lbuf, "%s\"%s\"", k ? "," : "", config.groups[j]); - if (l < 0) - l = 0; - if (l + k + 1 < len || extendline(&buf, &len, len + 1024) != -1) { - strcpy(buf + k, lbuf); - k += l; - } - } - quote = 0; - break; - case _UC_DEFAULTCLASS: - val = config.default_class ? config.default_class : ""; - break; - case _UC_MINUID: - sprintf(buf, "%lu", (unsigned long) config.min_uid); - quote = 0; - break; - case _UC_MAXUID: - sprintf(buf, "%lu", (unsigned long) config.max_uid); - quote = 0; - break; - case _UC_MINGID: - sprintf(buf, "%lu", (unsigned long) config.min_gid); - quote = 0; - break; - case _UC_MAXGID: - sprintf(buf, "%lu", (unsigned long) config.max_gid); - quote = 0; - break; - case _UC_EXPIRE: - sprintf(buf, "%d", config.expire_days); - quote = 0; - break; - case _UC_PASSWORD: - sprintf(buf, "%d", config.password_days); - quote = 0; - break; - case _UC_NONE: - break; - } - - if (comments[i]) - fputs(comments[i], fp); - - if (*kwds[i]) { - if (quote) - fprintf(fp, "%s = \"%s\"\n", kwds[i], val); - else - fprintf(fp, "%s = %s\n", kwds[i], val); -#if debugging - printf("WROTE: %s = %s\n", kwds[i], val); -#endif - } - } - free(buf); - return fclose(fp) != EOF; - } - } - return 0; -} |