diff options
Diffstat (limited to 'lib/graypam.h')
| -rw-r--r-- | lib/graypam.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/lib/graypam.h b/lib/graypam.h new file mode 100644 index 0000000..24b8ea7 --- /dev/null +++ b/lib/graypam.h @@ -0,0 +1,149 @@ +/* This file is part of pam-modules. + Copyright (C) 2008 Sergey Poznyakoff + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef _graypam_h_ +#define _graypam_h_ + +#if defined(HAVE_CONFIG_H) +# include <config.h> +#endif +#ifdef HAVE__PAM_ACONF_H +#include <security/_pam_aconf.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <unistd.h> +#include <ctype.h> +#include <syslog.h> +#include <errno.h> +#include <regex.h> +#include <setjmp.h> + +#ifndef LINUX_PAM +#include <security/pam_appl.h> +#endif /* LINUX_PAM */ +#include <security/pam_modules.h> + +#ifndef PAM_CONV_AGAIN +# define PAM_CONV_AGAIN PAM_TRY_AGAIN +#endif +#ifndef PAM_AUTHTOK_RECOVER_ERR +# define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR +#endif +#ifndef PAM_EXTERN +# define PAM_EXTERN +#endif + +#define XSTRDUP(s) ((s) ? strdup(s) : NULL) + +#define PAM_OVERWRITE(s) \ + do { \ + register char *p; \ + if ((p = s) != NULL) \ + while (*p) *p++ = 0; \ + } while (0) + +#define PAM_DROP_REPLY(reply, nrepl) \ + do { \ + int i; \ + for (i=0; i<nrepl; i++) { \ + PAM_OVERWRITE(reply[i].resp); \ + free(reply[i].resp); \ + } \ + if (reply) \ + free(reply); \ + } while (0) + + +#define MAKE_STR(pamh, str, var) \ + gray_make_str(pamh,str,#var,&var) + +#define WAITDEBUG(arg) do { size_t line = __LINE__; \ + if ((arg)[0] == '=') \ + gray_wait_debug(atoi((arg)+1), __FILE__, line); \ + else \ + gray_wait_debug(0, __FILE__, line); \ +} while (0) + +extern jmp_buf gray_pam_jmp; + +#define gray_pam_init(retval) \ + if (setjmp(gray_pam_jmp)) \ + return retval; \ + +void gray_raise(const char *fmt, ...); + +void *gray_malloc(size_t size); +void *gray_zalloc(size_t size); +void *gray_realloc(void *ptr, size_t size); + +void gray_pam_delete(char *x); +void gray_cleanup_string(pam_handle_t *pamh, void *x, int error_status); +void gray_cleanup_regex(pam_handle_t *pamh, void *x, int error_status); +void gray_make_str(pam_handle_t *pamh, const char *str, const char *name, + char **ret); + + +typedef struct gray_slist *gray_slist_t; + +gray_slist_t gray_slist_create(); +void gray_slist_clear(gray_slist_t slist); +void gray_slist_free(gray_slist_t *slist); +void gray_slist_append(gray_slist_t slist, const char *str, size_t n); +void gray_slist_append_char(gray_slist_t slist, char c); +size_t gray_slist_size(gray_slist_t slist); +size_t gray_slist_coalesce(gray_slist_t slist); +void *gray_slist_head(gray_slist_t slist, size_t *psize); +void *gray_slist_finish(gray_slist_t slist); +void gray_slist_grow_backslash_num(gray_slist_t slist, char *text, char **pend, + int len, int base); +void gray_slist_grow_backslash(gray_slist_t slist, char *text, char **endp); + + +void gray_log_init(int dont_open, const char *tag, int f); +void gray_pam_vlog(int err, const char *format, va_list args); +void gray_pam_log(int err, const char *format, ...); +void gray_pam_debug(const char *format, ...); +void gray_wait_debug(size_t interval, const char *file, size_t line); + +#define _pam_vlog gray_pam_vlog +#define _pam_log gray_pam_log +#define _pam_debug gray_pam_debug + + +int gray_transform_name_to_slist (gray_slist_t slist, char *input, char **output); +void gray_set_transform_expr (const char *expr); + + +int gray_converse(pam_handle_t *pamh, int nargs, + struct pam_message **message, + struct pam_response **response); + +/* Command line parsing */ +#define CNTL_DEBUG 0x0001 +#define CNTL_AUDIT 0x0002 +#define CNTL_WAITDEBUG 0x0004 + +#define CNTL_DEBUG_LEV() (cntl_flags>>16) +#define CNTL_SET_DEBUG_LEV(cntl,n) (cntl |= ((n)<<16)) + +#define DEBUG(m,c) if (CNTL_DEBUG_LEV()>=(m)) _pam_debug c +#define AUDIT(c) if (cntl_flags&CNTL_AUDIT) _pam_debug c + +#endif |