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-rw-r--r--modules/pam_access/pam_access.c852
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diff --git a/modules/pam_access/pam_access.c b/modules/pam_access/pam_access.c
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index 80d94cc9..00000000
--- a/modules/pam_access/pam_access.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/* pam_access module */
-
-/*
- * Written by Alexei Nogin <alexei@nogin.dnttm.ru> 1997/06/15
- * (I took login_access from logdaemon-5.6 and converted it to PAM
- * using parts of pam_time code.)
- *
- ************************************************************************
- * Copyright message from logdaemon-5.6 (original file name DISCLAIMER)
- ************************************************************************
- * Copyright 1995 by Wietse Venema. All rights reserved. Individual files
- * may be covered by other copyrights (as noted in the file itself.)
- *
- * This material was originally written and compiled by Wietse Venema at
- * Eindhoven University of Technology, The Netherlands, in 1990, 1991,
- * 1992, 1993, 1994 and 1995.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that this entire copyright notice is duplicated in all such
- * copies.
- *
- * This software is provided "as is" and without any expressed or implied
- * warranties, including, without limitation, the implied warranties of
- * merchantibility and fitness for any particular purpose.
- *************************************************************************
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <stdarg.h>
-#include <syslog.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <pwd.h>
-#include <grp.h>
-#include <errno.h>
-#include <ctype.h>
-#include <sys/utsname.h>
-#include <rpcsvc/ypclnt.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/socket.h>
-
-/*
- * here, we make definitions for the externally accessible functions
- * in this file (these definitions are required for static modules
- * but strongly encouraged generally) they are used to instruct the
- * modules include file to define their prototypes.
- */
-
-#define PAM_SM_AUTH
-#define PAM_SM_ACCOUNT
-#define PAM_SM_SESSION
-#define PAM_SM_PASSWORD
-
-#include <security/_pam_macros.h>
-#include <security/pam_modules.h>
-#include <security/pam_modutil.h>
-#include <security/pam_ext.h>
-
-/* login_access.c from logdaemon-5.6 with several changes by A.Nogin: */
-
- /*
- * This module implements a simple but effective form of login access
- * control based on login names and on host (or domain) names, internet
- * addresses (or network numbers), or on terminal line names in case of
- * non-networked logins. Diagnostics are reported through syslog(3).
- *
- * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
- */
-
-#if !defined(MAXHOSTNAMELEN) || (MAXHOSTNAMELEN < 64)
-#undef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 256
-#endif
-
- /* Delimiters for fields and for lists of users, ttys or hosts. */
-
-static const char *fs = ":"; /* field separator */
-static const char *sep = ", \t"; /* list-element separator */
-
- /* Constants to be used in assignments only, not in comparisons... */
-
-#define YES 1
-#define NO 0
-
- /*
- * A structure to bundle up all login-related information to keep the
- * functional interfaces as generic as possible.
- */
-struct login_info {
- const struct passwd *user;
- const char *from;
- const char *config_file;
-};
-
-/* Print debugging messages.
- Default is NO which means don't print debugging messages. */
-static char pam_access_debug = NO;
-
-/* Parse module config arguments */
-
-static int
-parse_args(pam_handle_t *pamh, struct login_info *loginfo,
- int argc, const char **argv)
-{
- int i;
-
- for (i=0; i<argc; ++i) {
- if (!strncmp("fieldsep=", argv[i], 9)) {
-
- /* the admin wants to override the default field separators */
- fs = argv[i]+9;
-
- } else if (!strncmp("listsep=", argv[i], 8)) {
-
- /* the admin wants to override the default list separators */
- sep = argv[i]+8;
-
- } else if (!strncmp("accessfile=", argv[i], 11)) {
- FILE *fp = fopen(11 + argv[i], "r");
-
- if (fp) {
- loginfo->config_file = 11 + argv[i];
- fclose(fp);
- } else {
- pam_syslog(pamh, LOG_ERR,
- "failed to open accessfile=[%s]: %m", 11 + argv[i]);
- return 0;
- }
-
- } else if (strcmp (argv[i], "debug") == 0) {
- pam_access_debug = YES;
- } else {
- pam_syslog(pamh, LOG_ERR, "unrecognized option [%s]", argv[i]);
- }
- }
-
- return 1; /* OK */
-}
-
-/* --- static functions for checking whether the user should be let in --- */
-
-typedef int match_func (pam_handle_t *, char *, struct login_info *);
-
-static int list_match (pam_handle_t *, char *, struct login_info *,
- match_func *);
-static int user_match (pam_handle_t *, char *, struct login_info *);
-static int from_match (pam_handle_t *, char *, struct login_info *);
-static int string_match (pam_handle_t *, const char *, const char *);
-static int network_netmask_match (pam_handle_t *, const char *, const char *);
-
-
-/* isipaddr - find out if string provided is an IP address or not */
-
-static int
-isipaddr (const char *string, int *addr_type,
- struct sockaddr_storage *addr)
-{
- struct sockaddr_storage local_addr;
- int is_ip;
-
- /* We use struct sockaddr_storage addr because
- * struct in_addr/in6_addr is an integral part
- * of struct sockaddr and we doesn't want to
- * use its value.
- */
-
- if (addr == NULL)
- addr = &local_addr;
-
- memset(addr, 0, sizeof(struct sockaddr_storage));
-
- /* first ipv4 */
- if (inet_pton(AF_INET, string, addr) > 0)
- {
- if (addr_type != NULL)
- *addr_type = AF_INET;
-
- is_ip = YES;
- }
- else if (inet_pton(AF_INET6, string, addr) > 0)
- { /* then ipv6 */
- if (addr_type != NULL) {
- *addr_type = AF_INET6;
- }
- is_ip = YES;
- }
- else
- is_ip = NO;
-
- return is_ip;
-}
-
-
-/* are_addresses_equal - translate IP address strings to real IP
- * addresses and compare them to find out if they are equal.
- * If netmask was provided it will be used to focus comparation to
- * relevant bits.
- */
-static int
-are_addresses_equal (const char *ipaddr0, const char *ipaddr1,
- const char *netmask)
-{
- struct sockaddr_storage addr0;
- struct sockaddr_storage addr1;
- int addr_type0 = 0;
- int addr_type1 = 0;
-
- if (isipaddr (ipaddr0, &addr_type0, &addr0) == NO)
- return NO;
-
- if (isipaddr (ipaddr1, &addr_type1, &addr1) == NO)
- return NO;
-
- if (addr_type0 != addr_type1)
- /* different address types */
- return NO;
-
- if (netmask != NULL) {
- /* Got a netmask, so normalize addresses? */
- struct sockaddr_storage nmask;
- unsigned char *byte_a, *byte_nm;
-
- memset(&nmask, 0, sizeof(struct sockaddr_storage));
- if (inet_pton(addr_type0, netmask, (void *)&nmask) > 0) {
- unsigned int i;
- byte_a = (unsigned char *)(&addr0);
- byte_nm = (unsigned char *)(&nmask);
- for (i=0; i<sizeof(struct sockaddr_storage); i++) {
- byte_a[i] = byte_a[i] & byte_nm[i];
- }
-
- byte_a = (unsigned char *)(&addr1);
- byte_nm = (unsigned char *)(&nmask);
- for (i=0; i<sizeof(struct sockaddr_storage); i++) {
- byte_a[i] = byte_a[i] & byte_nm[i];
- }
- }
- }
-
-
- /* Are the two addresses equal? */
- if (memcmp((void *)&addr0, (void *)&addr1,
- sizeof(struct sockaddr_storage)) == 0) {
- return(YES);
- }
-
- return(NO);
-}
-
-static char *
-number_to_netmask (long netmask, int addr_type,
- char *ipaddr_buf, size_t ipaddr_buf_len)
-{
- /* We use struct sockaddr_storage addr because
- * struct in_addr/in6_addr is an integral part
- * of struct sockaddr and we doesn't want to
- * use its value.
- */
- struct sockaddr_storage nmask;
- unsigned char *byte_nm;
- const char *ipaddr_dst = NULL;
- int i, ip_bytes;
-
- if (netmask == 0) {
- /* mask 0 is the same like no mask */
- return(NULL);
- }
-
- memset(&nmask, 0, sizeof(struct sockaddr_storage));
- if (addr_type == AF_INET6) {
- /* ipv6 address mask */
- ip_bytes = 16;
- } else {
- /* default might be an ipv4 address mask */
- addr_type = AF_INET;
- ip_bytes = 4;
- }
-
- byte_nm = (unsigned char *)(&nmask);
- /* translate number to mask */
- for (i=0; i<ip_bytes; i++) {
- if (netmask >= 8) {
- byte_nm[i] = 0xff;
- netmask -= 8;
- } else
- if (netmask > 0) {
- byte_nm[i] = 0xff << (8 - netmask);
- break;
- } else
- if (netmask <= 0) {
- break;
- }
- }
-
- /* now generate netmask address string */
- ipaddr_dst = inet_ntop(addr_type, &nmask, ipaddr_buf, ipaddr_buf_len);
- if (ipaddr_dst == ipaddr_buf) {
- return (ipaddr_buf);
- }
-
- return (NULL);
-}
-
-/* login_access - match username/group and host/tty with access control file */
-
-static int
-login_access (pam_handle_t *pamh, struct login_info *item)
-{
- FILE *fp;
- char line[BUFSIZ];
- char *perm; /* becomes permission field */
- char *users; /* becomes list of login names */
- char *froms; /* becomes list of terminals or hosts */
- int match = NO;
- int end;
- int lineno = 0; /* for diagnostics */
-
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "login_access: user=%s, from=%s, file=%s",
- item->user->pw_name,
- item->from, item->config_file);
-
- /*
- * Process the table one line at a time and stop at the first match.
- * Blank lines and lines that begin with a '#' character are ignored.
- * Non-comment lines are broken at the ':' character. All fields are
- * mandatory. The first field should be a "+" or "-" character. A
- * non-existing table means no access control.
- */
-
- if ((fp = fopen(item->config_file, "r"))!=NULL) {
- while (!match && fgets(line, sizeof(line), fp)) {
- lineno++;
- if (line[end = strlen(line) - 1] != '\n') {
- pam_syslog(pamh, LOG_ERR,
- "%s: line %d: missing newline or line too long",
- item->config_file, lineno);
- continue;
- }
- if (line[0] == '#')
- continue; /* comment line */
- while (end > 0 && isspace(line[end - 1]))
- end--;
- line[end] = 0; /* strip trailing whitespace */
- if (line[0] == 0) /* skip blank lines */
- continue;
-
- /* Allow field seperator in last field of froms */
- if (!(perm = strtok(line, fs))
- || !(users = strtok((char *) 0, fs))
- || !(froms = strtok((char *) 0, "\n"))) {
- pam_syslog(pamh, LOG_ERR, "%s: line %d: bad field count",
- item->config_file, lineno);
- continue;
- }
- if (perm[0] != '+' && perm[0] != '-') {
- pam_syslog(pamh, LOG_ERR, "%s: line %d: bad first field",
- item->config_file, lineno);
- continue;
- }
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "line %d: %s : %s : %s", lineno, perm, users, froms);
- match = list_match(pamh, froms, item, from_match);
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "from_match=%d, \"%s\"", match, item->from);
- match = match && list_match (pamh, users, item, user_match);
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG, "user_match=%d, \"%s\"",
- match, item->user->pw_name);
- }
- (void) fclose(fp);
- } else if (errno == ENOENT) {
- /* This is no error. */
- pam_syslog(pamh, LOG_WARNING, "warning: cannot open %s: %m",
- item->config_file);
- } else {
- pam_syslog(pamh, LOG_ERR, "cannot open %s: %m", item->config_file);
- return NO;
- }
- return (match == NO || (line[0] == '+'));
-}
-
-
-/* list_match - match an item against a list of tokens with exceptions */
-
-static int list_match(pam_handle_t *pamh,
- char *list, struct login_info *item, match_func *match_fn)
-{
- char *tok;
- int match = NO;
-
- /*
- * Process tokens one at a time. We have exhausted all possible matches
- * when we reach an "EXCEPT" token or the end of the list. If we do find
- * a match, look for an "EXCEPT" list and recurse to determine whether
- * the match is affected by any exceptions.
- */
-
- for (tok = strtok(list, sep); tok != 0; tok = strtok((char *) 0, sep)) {
- if (strcasecmp(tok, "EXCEPT") == 0) /* EXCEPT: give up */
- break;
- if ((match = (*match_fn) (pamh, tok, item))) /* YES */
- break;
- }
- /* Process exceptions to matches. */
-
- if (match != NO) {
- while ((tok = strtok((char *) 0, sep)) && strcasecmp(tok, "EXCEPT"))
- /* VOID */ ;
- if (tok == 0 || list_match(pamh, (char *) 0, item, match_fn) == NO)
- return (match);
- }
- return (NO);
-}
-
-/* myhostname - figure out local machine name */
-
-static char * myhostname(void)
-{
- static char name[MAXHOSTNAMELEN + 1];
-
- if (gethostname(name, MAXHOSTNAMELEN) == 0) {
- name[MAXHOSTNAMELEN] = 0;
- return (name);
- }
- return NULL;
-}
-
-/* netgroup_match - match group against machine or user */
-
-static int
-netgroup_match (pam_handle_t *pamh, const char *group,
- const char *machine, const char *user)
-{
- char *mydomain = NULL;
- int retval;
-
- yp_get_default_domain(&mydomain);
-
-
- retval = innetgr (group, machine, user, mydomain);
- if (pam_access_debug == YES)
- pam_syslog (pamh, LOG_DEBUG,
- "netgroup_match: %d (group=%s, machine=%s, user=%s, domain=%s)",
- retval, group ? group : "NULL", machine ? machine : "NULL",
- user ? user : "NULL", mydomain ? mydomain : "NULL");
- return retval;
-
-}
-
-/* user_match - match a username against one token */
-
-static int
-user_match (pam_handle_t *pamh, char *tok, struct login_info *item)
-{
- char *string = item->user->pw_name;
- struct login_info fake_item;
- char *at;
-
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "user_match: tok=%s, item=%s", tok, string);
-
- /*
- * If a token has the magic value "ALL" the match always succeeds.
- * Otherwise, return YES if the token fully matches the username, if the
- * token is a group that contains the username, or if the token is the
- * name of the user's primary group.
- */
-
- if ((at = strchr(tok + 1, '@')) != 0) { /* split user@host pattern */
- *at = 0;
- fake_item.from = myhostname();
- if (fake_item.from == NULL)
- return NO;
- return (user_match (pamh, tok, item) &&
- from_match (pamh, at + 1, &fake_item));
- } else if (tok[0] == '@') /* netgroup */
- return (netgroup_match (pamh, tok + 1, (char *) 0, string));
- else if (string_match (pamh, tok, string)) /* ALL or exact match */
- return YES;
- else if (pam_modutil_user_in_group_nam_nam (pamh, item->user->pw_name, tok))
- /* try group membership */
- return YES;
-
- return NO;
-}
-
-/* from_match - match a host or tty against a list of tokens */
-
-static int
-from_match (pam_handle_t *pamh UNUSED, char *tok, struct login_info *item)
-{
- const char *string = item->from;
- int tok_len;
- int str_len;
-
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "from_match: tok=%s, item=%s", tok, string);
-
- /*
- * If a token has the magic value "ALL" the match always succeeds. Return
- * YES if the token fully matches the string. If the token is a domain
- * name, return YES if it matches the last fields of the string. If the
- * token has the magic value "LOCAL", return YES if the string does not
- * contain a "." character. If the token is a network number, return YES
- * if it matches the head of the string.
- */
-
- if (string == NULL) {
- return NO;
- } else if (tok[0] == '@') { /* netgroup */
- return (netgroup_match (pamh, tok + 1, string, (char *) 0));
- } else if (string_match(pamh, tok, string)) {
- /* ALL or exact match */
- return (YES);
- } else if (tok[0] == '.') { /* domain: match last fields */
- if ((str_len = strlen(string)) > (tok_len = strlen(tok))
- && strcasecmp(tok, string + str_len - tok_len) == 0)
- return (YES);
- } else if (strcasecmp(tok, "LOCAL") == 0) { /* local: no dots */
- if (strchr(string, '.') == 0)
- return (YES);
- } else if (tok[(tok_len = strlen(tok)) - 1] == '.') {
- struct addrinfo *res;
- struct addrinfo hint;
-
- memset (&hint, '\0', sizeof (hint));
- hint.ai_flags = AI_CANONNAME;
- hint.ai_family = AF_INET;
-
- if (getaddrinfo (string, NULL, &hint, &res) != 0)
- return NO;
- else
- {
- struct addrinfo *runp = res;
-
- while (runp != NULL)
- {
- char buf[INET_ADDRSTRLEN+2];
-
- if (runp->ai_family == AF_INET)
- {
- inet_ntop (runp->ai_family,
- &((struct sockaddr_in *) runp->ai_addr)->sin_addr,
- buf, sizeof (buf));
-
- strcat (buf, ".");
-
- if (strncmp(tok, buf, tok_len) == 0)
- {
- freeaddrinfo (res);
- return YES;
- }
- }
- runp = runp->ai_next;
- }
- freeaddrinfo (res);
- }
- } else if (isipaddr(string, NULL, NULL) == YES) {
- /* Assume network/netmask with a IP of a host. */
- if (network_netmask_match(pamh, tok, string))
- return YES;
- } else {
- /* Assume network/netmask with a name of a host. */
- struct addrinfo *res;
- struct addrinfo hint;
-
- memset (&hint, '\0', sizeof (hint));
- hint.ai_flags = AI_CANONNAME;
- hint.ai_family = AF_UNSPEC;
-
- if (getaddrinfo (string, NULL, &hint, &res) != 0)
- return NO;
- else
- {
- struct addrinfo *runp = res;
-
- while (runp != NULL)
- {
- char buf[INET6_ADDRSTRLEN];
-
- inet_ntop (runp->ai_family,
- runp->ai_family == AF_INET
- ? (void *) &((struct sockaddr_in *) runp->ai_addr)->sin_addr
- : (void *) &((struct sockaddr_in6 *) runp->ai_addr)->sin6_addr,
- buf, sizeof (buf));
-
- if (network_netmask_match(pamh, tok, buf))
- {
- freeaddrinfo (res);
- return YES;
- }
- runp = runp->ai_next;
- }
- freeaddrinfo (res);
- }
- }
-
- return NO;
-}
-
-/* string_match - match a string against one token */
-
-static int
-string_match (pam_handle_t *pamh, const char *tok, const char *string)
-{
-
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "string_match: tok=%s, item=%s", tok, string);
-
- /*
- * If the token has the magic value "ALL" the match always succeeds.
- * Otherwise, return YES if the token fully matches the string.
- * "NONE" token matches NULL string.
- */
-
- if (strcasecmp(tok, "ALL") == 0) { /* all: always matches */
- return (YES);
- } else if (string != NULL) {
- if (strcasecmp(tok, string) == 0) { /* try exact match */
- return (YES);
- }
- } else if (strcasecmp(tok, "NONE") == 0) {
- return (YES);
- }
- return (NO);
-}
-
-
-/* network_netmask_match - match a string against one token
- * where string is an ip (v4,v6) address and tok represents
- * whether a single ip (v4,v6) address or a network/netmask
- */
-static int
-network_netmask_match (pam_handle_t *pamh,
- const char *tok, const char *string)
-{
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "network_netmask_match: tok=%s, item=%s", tok, string);
-
- if (isipaddr(string, NULL, NULL) == YES)
- {
- char *netmask_ptr = NULL;
- static char netmask_string[MAXHOSTNAMELEN + 1] = "";
- int addr_type;
-
- /* OK, check if tok is of type addr/mask */
- if ((netmask_ptr = strchr(tok, '/')) != NULL)
- {
- long netmask = 0;
-
- /* YES */
- *netmask_ptr = 0;
- netmask_ptr++;
-
- if (isipaddr(tok, &addr_type, NULL) == NO)
- { /* no netaddr */
- return(NO);
- }
-
- /* check netmask */
- if (isipaddr(netmask_ptr, NULL, NULL) == NO)
- { /* netmask as integre value */
- char *endptr = NULL;
- netmask = strtol(netmask_ptr, &endptr, 0);
- if ((endptr == NULL) || (*endptr != '\0'))
- { /* invalid netmask value */
- return(NO);
- }
- if ((netmask < 0) || (netmask >= 128))
- { /* netmask value out of range */
- return(NO);
- }
-
- netmask_ptr = number_to_netmask(netmask, addr_type,
- netmask_string, MAXHOSTNAMELEN);
- }
-
- /* Netmask is now an ipv4/ipv6 address.
- * This works also if netmask_ptr is NULL.
- */
- return (are_addresses_equal(string, tok, netmask_ptr));
- }
- else
- /* NO, then check if it is only an addr */
- if (isipaddr(tok, NULL, NULL) == YES)
- { /* check if they are the same, no netmask */
- return(are_addresses_equal(string, tok, NULL));
- }
- }
-
- return (NO);
-}
-
-
-/* --- public PAM management functions --- */
-
-PAM_EXTERN int
-pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED,
- int argc, const char **argv)
-{
- struct login_info loginfo;
- const char *user=NULL;
- const void *void_from=NULL;
- const char *from;
- struct passwd *user_pw;
-
- /* set username */
-
- if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS || user == NULL
- || *user == '\0') {
- pam_syslog(pamh, LOG_ERR, "cannot determine the user's name");
- return PAM_USER_UNKNOWN;
- }
-
- /* remote host name */
-
- if (pam_get_item(pamh, PAM_RHOST, &void_from)
- != PAM_SUCCESS) {
- pam_syslog(pamh, LOG_ERR, "cannot find the remote host name");
- return PAM_ABORT;
- }
- from = void_from;
-
- if ((from==NULL) || (*from=='\0')) {
-
- /* local login, set tty name */
-
- if (pam_get_item(pamh, PAM_TTY, &void_from) != PAM_SUCCESS
- || void_from == NULL) {
- D(("PAM_TTY not set, probing stdin"));
- from = ttyname(STDIN_FILENO);
- if (from != NULL) {
- if (pam_set_item(pamh, PAM_TTY, from) != PAM_SUCCESS)
- pam_syslog(pamh, LOG_WARNING, "couldn't set tty name");
- } else {
- if (pam_get_item(pamh, PAM_SERVICE, &void_from) != PAM_SUCCESS
- || void_from == NULL) {
- pam_syslog (pamh, LOG_ERR,
- "cannot determine remote host, tty or service name");
- return PAM_ABORT;
- }
- from = void_from;
- if (pam_access_debug)
- pam_syslog (pamh, LOG_DEBUG,
- "cannot determine tty or remote hostname, using service %s",
- from);
- }
- }
- else
- from = void_from;
-
- if (from[0] == '/') { /* full path, remove device path. */
- const char *f;
- from++;
- if ((f = strchr(from, '/')) != NULL) {
- from = f + 1;
- }
- }
- }
-
- if ((user_pw=pam_modutil_getpwnam(pamh, user))==NULL)
- return (PAM_USER_UNKNOWN);
-
- /*
- * Bundle up the arguments to avoid unnecessary clumsiness later on.
- */
- loginfo.user = user_pw;
- loginfo.from = from;
- loginfo.config_file = PAM_ACCESS_CONFIG;
-
- /* parse the argument list */
-
- if (!parse_args(pamh, &loginfo, argc, argv)) {
- pam_syslog(pamh, LOG_ERR, "failed to parse the module arguments");
- return PAM_ABORT;
- }
-
- if (login_access(pamh, &loginfo)) {
- return (PAM_SUCCESS);
- } else {
- pam_syslog(pamh, LOG_ERR,
- "access denied for user `%s' from `%s'",user,from);
- return (PAM_PERM_DENIED);
- }
-}
-
-PAM_EXTERN int
-pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED,
- int argc UNUSED, const char **argv UNUSED)
-{
- return PAM_IGNORE;
-}
-
-PAM_EXTERN int
-pam_sm_acct_mgmt (pam_handle_t *pamh, int flags,
- int argc, const char **argv)
-{
- return pam_sm_authenticate (pamh, flags, argc, argv);
-}
-
-PAM_EXTERN int
-pam_sm_open_session(pam_handle_t *pamh, int flags,
- int argc, const char **argv)
-{
- return pam_sm_authenticate(pamh, flags, argc, argv);
-}
-
-PAM_EXTERN int
-pam_sm_close_session(pam_handle_t *pamh, int flags,
- int argc, const char **argv)
-{
- return pam_sm_authenticate(pamh, flags, argc, argv);
-}
-
-PAM_EXTERN int
-pam_sm_chauthtok(pam_handle_t *pamh, int flags,
- int argc, const char **argv)
-{
- return pam_sm_authenticate(pamh, flags, argc, argv);
-}
-
-/* end of module definition */
-
-#ifdef PAM_STATIC
-
-/* static module data */
-
-struct pam_module _pam_access_modstruct = {
- "pam_access",
- pam_sm_authenticate,
- pam_sm_setcred,
- pam_sm_acct_mgmt,
- pam_sm_open_session,
- pam_sm_close_session,
- pam_sm_chauthtok
-};
-#endif