+++ /dev/null
-/*
- * $Id: uam.c,v 1.11 2009-10-15 11:39:48 didg Exp $
- *
- * Copyright (c) 1999 Adrian Sun (asun@zoology.washington.edu)
- * All Rights Reserved. See COPYRIGHT.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif /* HAVE_CONFIG_H */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* STDC check */
-#if STDC_HEADERS
-#include <string.h>
-#else /* STDC_HEADERS */
-#ifndef HAVE_STRCHR
-#define strchr index
-#define strrchr index
-#endif /* HAVE_STRCHR */
-char *strchr (), *strrchr ();
-#ifndef HAVE_MEMCPY
-#define memcpy(d,s,n) bcopy ((s), (d), (n))
-#define memmove(d,s,n) bcopy ((s), (d), (n))
-#endif /* ! HAVE_MEMCPY */
-#endif /* STDC_HEADERS */
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#include <fcntl.h>
-#include <ctype.h>
-#include <atalk/logger.h>
-#include <sys/param.h>
-#include <sys/time.h>
-
-#include <netatalk/endian.h>
-#include <atalk/asp.h>
-#include <atalk/dsi.h>
-#include <atalk/afp.h>
-#include <atalk/util.h>
-
-#include "uam_auth.h"
-
-/* --- server uam functions -- */
-
-/* uam_load. uams must have a uam_setup function. */
-struct uam_mod *uam_load(const char *path, const char *name)
-{
- char buf[MAXPATHLEN + 1], *p;
- struct uam_mod *mod;
- void *module;
-
- if ((module = mod_open(path)) == NULL) {
- LOG(log_error, logtype_papd, "uam_load(%s): failed to load: %s", name, mod_error());
- return NULL;
- }
-
- if ((mod = (struct uam_mod *) malloc(sizeof(struct uam_mod))) == NULL) {
- LOG(log_error, logtype_papd, "uam_load(%s): malloc failed", name);
- goto uam_load_fail;
- }
-
- strlcpy(buf, name, sizeof(buf));
- if ((p = strchr(buf, '.')))
- *p = '\0';
- if ((mod->uam_fcn = mod_symbol(module, buf)) == NULL) {
- goto uam_load_err;
- }
-
- if (mod->uam_fcn->uam_type != UAM_MODULE_SERVER) {
- LOG(log_error, logtype_papd, "uam_load(%s): attempted to load a non-server module",
- name);
- goto uam_load_err;
- }
-
- /* version check would go here */
-
- if (!mod->uam_fcn->uam_setup ||
- ((*mod->uam_fcn->uam_setup)(name) < 0)) {
- LOG(log_error, logtype_papd, "uam_load(%s): uam_setup failed", name);
- goto uam_load_err;
- }
-
- mod->uam_module = module;
- return mod;
-
-uam_load_err:
- free(mod);
-uam_load_fail:
- mod_close(module);
- return NULL;
-}
-
-/* unload the module. we check for a cleanup function, but we don't
- * die if one doesn't exist. however, things are likely to leak without one.
- */
-void uam_unload(struct uam_mod *mod)
-{
- if (mod->uam_fcn->uam_cleanup)
- (*mod->uam_fcn->uam_cleanup)();
- mod_close(mod->uam_module);
- free(mod);
-}
-
-/* -- client-side uam functions -- */
-
-/* set up stuff for this uam. */
-int uam_register(const int type, const char *path, const char *name, ...)
-{
- va_list ap;
- struct uam_obj *uam;
- int ret;
-
- if (!name)
- return -1;
-
- /* see if it already exists. */
- if ((uam = auth_uamfind(type, name, strlen(name)))) {
- if (strcmp(uam->uam_path, path)) {
- /* it exists, but it's not the same module. */
- LOG(log_error, logtype_papd, "uam_register: \"%s\" already loaded by %s",
- name, path);
- return -1;
- }
- uam->uam_count++;
- return 0;
- }
-
- /* allocate space for uam */
- if ((uam = calloc(1, sizeof(struct uam_obj))) == NULL)
- return -1;
-
- uam->uam_name = name;
- uam->uam_path = strdup(path);
- uam->uam_count++;
-
- va_start(ap, name);
- switch (type) {
- case UAM_SERVER_LOGIN: /* expect three arguments */
- uam->u.uam_login.login = va_arg(ap, void *);
- uam->u.uam_login.logincont = va_arg(ap, void *);
- uam->u.uam_login.logout = va_arg(ap, void *);
- break;
- case UAM_SERVER_CHANGEPW: /* one argument */
- uam->u.uam_changepw = va_arg(ap, void *);
- break;
- case UAM_SERVER_PRINTAUTH: /* x arguments */
- uam->u.uam_printer = va_arg(ap, void *);
- break;
- default:
- break;
- }
- va_end(ap);
-
- /* attach to other uams */
- ret = auth_register(type, uam);
- if (ret) {
- free(uam->uam_path);
- free(uam);
- }
-
- return ret;
-}
-
-void uam_unregister(const int type, const char *name)
-{
- struct uam_obj *uam;
-
- if (!name)
- return;
-
- uam = auth_uamfind(type, name, strlen(name));
- if (!uam || --uam->uam_count > 0)
- return;
-
- auth_unregister(uam);
- free(uam->uam_path);
- free(uam);
-}
-
-/* Crap to support uams which call this afpd function */
-int uam_afpserver_option(void *private _U_, const int what _U_, void *option _U_,
- size_t *len _U_)
-{
- return(0);
-}
-
-/* --- helper functions for plugin uams --- */
-
-struct passwd *uam_getname(void *dummy _U_, char *name, const int len)
-{
- struct passwd *pwent;
- char *user;
- int i;
-
- if ((pwent = getpwnam(name)))
- return pwent;
-
-#ifndef NO_REAL_USER_NAME
- for (i = 0; i < len; i++)
- name[i] = tolower(name[i]);
-
- setpwent();
- while ((pwent = getpwent())) {
- if ((user = strchr(pwent->pw_gecos, ','))) *user = '\0';
- user = pwent->pw_gecos;
-
- /* check against both the gecos and the name fields. the user
- * might have just used a different capitalization. */
- if ((strncasecmp(user, name, len) == 0) ||
- (strncasecmp(pwent->pw_name, name, len) == 0)) {
- strncpy(name, pwent->pw_name, len);
- break;
- }
- }
- endpwent();
-#endif /* NO_REAL_USER_NAME */
-
- /* os x server doesn't keep anything useful if we do getpwent */
- return pwent ? getpwnam(name) : NULL;
-}
-
-
-int uam_checkuser(const struct passwd *pwd)
-{
- char *p;
-
- if (!pwd || !pwd->pw_shell || (*pwd->pw_shell == '\0'))
- return -1;
-
- while ((p = getusershell())) {
- if ( strcmp( p, pwd->pw_shell ) == 0 )
- break;
- }
- endusershell();
-
-#ifndef DISABLE_SHELLCHECK
- if (!p) {
- LOG(log_info, logtype_papd, "illegal shell %s for %s",pwd->pw_shell,pwd->pw_name);
- return -1;
- }
-#endif /* DISABLE_SHELLCHECK */
-
- return 0;
-}
-
-
projects / netatalk.git / blobdiff