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131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
#ifndef LINUX
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/* This is only needed by modules in the Sun implementation. */
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#include <security/pam_appl.h>
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#endif /* LINUX */
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#include <security/pam_modules.h>
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#ifndef PAM_AUTHTOK_RECOVER_ERR
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#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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/*
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* here is the string to inform the user that the new passwords they
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* typed were not the same.
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*/
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#define MISTYPED_PASS "Sorry, passwords do not match"
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/* type definition for the control options */
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typedef struct {
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const char *token;
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unsigned int mask; /* shall assume 32 bits of flags */
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unsigned int flag;
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} SMB_Ctrls;
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#ifndef False
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#define False (0)
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#endif
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#ifndef True
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#define True (1)
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#endif
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/* macro to determine if a given flag is on */
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#define on(x,ctrl) (smb_args[x].flag & ctrl)
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/* macro to determine that a given flag is NOT on */
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#define off(x,ctrl) (!on(x,ctrl))
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/* macro to turn on/off a ctrl flag manually */
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#define set(x,ctrl) (ctrl = ((ctrl)&smb_args[x].mask)|smb_args[x].flag)
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#define unset(x,ctrl) (ctrl &= ~(smb_args[x].flag))
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#ifndef __linux__
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#define strncasecmp(s1,s2,n) StrnCaseCmp(s1,s2,n)
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#endif
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/* the generic mask */
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#define _ALL_ON_ (~0U)
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/* end of macro definitions definitions for the control flags */
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/*
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* These are the options supported by the smb password module, very
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* similar to the pwdb options
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*/
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#define SMB__OLD_PASSWD 0 /* internal */
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#define SMB__VERIFY_PASSWD 1 /* internal */
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#define SMB_AUDIT 2 /* print more things than debug..
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some information may be sensitive */
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#define SMB_USE_FIRST_PASS 3
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#define SMB_TRY_FIRST_PASS 4
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#define SMB_NOT_SET_PASS 5 /* don't set the AUTHTOK items */
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#define SMB__NONULL 6 /* internal */
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#define SMB__QUIET 7 /* internal */
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#define SMB_USE_AUTHTOK 8 /* insist on reading PAM_AUTHTOK */
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#define SMB__NULLOK 9 /* Null token ok */
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#define SMB_DEBUG 10 /* send more info to syslog(3) */
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#define SMB_NODELAY 11 /* admin does not want a fail-delay */
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#define SMB_MIGRATE 12 /* Does no authentication, just
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updates the smb database. */
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#define SMB_CONF_FILE 13 /* Alternate location of smb.conf */
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#define SMB_CTRLS_ 14 /* number of ctrl arguments defined */
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static const SMB_Ctrls smb_args[SMB_CTRLS_] = {
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/* symbol token name ctrl mask ctrl *
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* ------------------ ------------------ -------------- ---------- */
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/* SMB__OLD_PASSWD */ { NULL, _ALL_ON_, 01 },
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/* SMB__VERIFY_PASSWD */ { NULL, _ALL_ON_, 02 },
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/* SMB_AUDIT */ { "audit", _ALL_ON_, 04 },
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/* SMB_USE_FIRST_PASS */ { "use_first_pass", _ALL_ON_^(030), 010 },
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/* SMB_TRY_FIRST_PASS */ { "try_first_pass", _ALL_ON_^(030), 020 },
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/* SMB_NOT_SET_PASS */ { "not_set_pass", _ALL_ON_, 040 },
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/* SMB__NONULL */ { "nonull", _ALL_ON_, 0100 },
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/* SMB__QUIET */ { NULL, _ALL_ON_, 0200 },
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/* SMB_USE_AUTHTOK */ { "use_authtok", _ALL_ON_, 0400 },
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/* SMB__NULLOK */ { "nullok", _ALL_ON_^(0100), 0 },
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/* SMB_DEBUG */ { "debug", _ALL_ON_, 01000 },
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/* SMB_NODELAY */ { "nodelay", _ALL_ON_, 02000 },
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/* SMB_MIGRATE */ { "migrate", _ALL_ON_^(0100), 04000 },
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/* SMB_CONF_FILE */ { "smbconf=", _ALL_ON_, 0 },
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};
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#define SMB_DEFAULTS (smb_args[SMB__NONULL].flag)
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/*
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* the following is used to keep track of the number of times a user fails
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* to authenticate themself.
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*/
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#define FAIL_PREFIX "-SMB-FAIL-"
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#define SMB_MAX_RETRIES 3
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struct _pam_failed_auth {
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char *user; /* user that's failed to be authenticated */
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int id; /* uid of requested user */
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char *agent; /* attempt from user with name */
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int count; /* number of failures so far */
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};
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/*
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* General use functions go here
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*/
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/* from support.c */
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int make_remark(pam_handle_t *, unsigned int, int, const char *);
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