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