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openldap/contrib/ldaptcl/neoXldap.c
Randy Kunkee d304d012af Call ldap_memfree(attributeName) for returns from ldap_first_attribute() 
and ldap_next_attribute if using newer interface.  Current test for this
is an #if LDAP_API_VERSION >= 2004.
2001-07-10 22:11:57 +00:00

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/*
* NeoSoft Tcl client extensions to Lightweight Directory Access Protocol.
*
* Copyright (c) 1998-1999 NeoSoft, Inc.
* All Rights Reserved.
*
* This software may be used, modified, copied, distributed, and sold,
* in both source and binary form provided that these copyrights are
* retained and their terms are followed.
*
* Under no circumstances are the authors or NeoSoft Inc. responsible
* for the proper functioning of this software, nor do the authors
* assume any liability for damages incurred with its use.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to NeoSoft, Inc.
*
* NeoSoft, Inc. may not be used to endorse or promote products derived
* from this software without specific prior written permission. This
* software is provided ``as is'' without express or implied warranty.
*
* Requests for permission may be sent to NeoSoft Inc, 1770 St. James Place,
* Suite 500, Houston, TX, 77056.
*
* $OpenLDAP$
*
*/
/*
* This code was originally developed by Karl Lehenbauer to work with
* Umich-3.3 LDAP. It was debugged against the Netscape LDAP server
* and their much more reliable SDK, and again backported to the
* Umich-3.3 client code. The UMICH_LDAP define is used to include
* code that will work with the Umich-3.3 LDAP, but not with Netscape's
* SDK. OpenLDAP may support some of these, but they have not been tested.
* Currently supported by Randy Kunkee (kunkee@OpenLDAP.org).
*/
/*
* Add timeout to controlArray to set timeout for ldap_result.
* 4/14/99 - Randy
*/
#include "tclExtend.h"
#include <lber.h>
#include <ldap.h>
#include <string.h>
#include <sys/time.h>
#include <math.h>
/*
* Macros to do string compares. They pre-check the first character before
* checking of the strings are equal.
*/
#define STREQU(str1, str2) \
(((str1) [0] == (str2) [0]) && (strcmp (str1, str2) == 0))
#define STRNEQU(str1, str2, n) \
(((str1) [0] == (str2) [0]) && (strncmp (str1, str2, n) == 0))
/*
* The following section defines some common macros used by the rest
* of the code. It's ugly, and can use some work. This code was
* originally developed to work with Umich-3.3 LDAP. It was debugged
* against the Netscape LDAP server and the much more reliable SDK,
* and then again backported to the Umich-3.3 client code.
*/
#define OPEN_LDAP 1
#if defined(OPEN_LDAP)
/* LDAP_API_VERSION must be defined per the current draft spec
** it's value will be assigned RFC number. However, as
** no RFC is defined, it's value is currently implementation
** specific (though I would hope it's value is greater than 1823).
** In OpenLDAP 2.x-devel, its 2000 + the draft number, ie 2002.
** This section is for OPENLDAP.
*/
#ifndef LDAP_API_FEATURE_X_OPENLDAP
#define ldap_memfree(p) free(p)
#endif
#ifdef LDAP_OPT_ERROR_NUMBER
#define ldap_get_lderrno(ld) (ldap_get_option(ld, LDAP_OPT_ERROR_NUMBER, &lderrno), lderrno)
#else
#define ldap_get_lderrno(ld) (ld->ld_errno)
#endif
#define LDAP_ERR_STRING(ld) \
ldap_err2string(ldap_get_lderrno(ld))
#elif defined( LDAP_OPT_SIZELIMIT )
/*
** Netscape SDK w/ ldap_set_option, ldap_get_option
*/
#define LDAP_ERR_STRING(ld) \
ldap_err2string(ldap_get_lderrno(ldap))
#else
/* U-Mich/OpenLDAP 1.x API */
/* RFC-1823 w/ changes */
#define UMICH_LDAP 1
#define ldap_memfree(p) free(p)
#define ldap_ber_free(p, n) ber_free(p, n)
#define ldap_value_free_len(bvals) ber_bvecfree(bvals)
#define ldap_get_lderrno(ld) (ld->ld_errno)
#define LDAP_ERR_STRING(ld) \
ldap_err2string(ld->ld_errno)
#endif
typedef struct ldaptclobj {
LDAP *ldap;
int caching; /* flag 1/0 if caching is enabled */
long timeout; /* timeout from last cache enable */
long maxmem; /* maxmem from last cache enable */
Tcl_Obj *trapCmdObj; /* error handler */
int *traplist; /* list of errorCodes to trap */
int flags;
} LDAPTCL;
#define LDAPTCL_INTERRCODES 0x001
#include "ldaptclerr.h"
static
LDAP_SetErrorCode(LDAPTCL *ldaptcl, int code, Tcl_Interp *interp)
{
char shortbuf[16];
char *errp;
int lderrno;
if (code == -1)
code = ldap_get_lderrno(ldaptcl->ldap);
if ((ldaptcl->flags & LDAPTCL_INTERRCODES) || code > LDAPTCL_MAXERR ||
ldaptclerrorcode[code] == NULL) {
sprintf(shortbuf, "0x%03x", code);
errp = shortbuf;
} else
errp = ldaptclerrorcode[code];
Tcl_SetErrorCode(interp, errp, NULL);
if (ldaptcl->trapCmdObj) {
int *i;
Tcl_Obj *cmdObj;
if (ldaptcl->traplist != NULL) {
for (i = ldaptcl->traplist; *i && *i != code; i++)
;
if (*i == 0) return;
}
(void) Tcl_EvalObj(interp, ldaptcl->trapCmdObj);
}
}
static
LDAP_ErrorStringToCode(Tcl_Interp *interp, char *s)
{
int offset;
int code;
offset = (strncasecmp(s, "LDAP_", 5) == 0) ? 0 : 5;
for (code = 0; code < LDAPTCL_MAXERR; code++) {
if (!ldaptclerrorcode[code]) continue;
if (strcasecmp(s, ldaptclerrorcode[code]+offset) == 0)
return code;
}
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, s, " is an invalid code", (char *) NULL);
return -1;
}
/*-----------------------------------------------------------------------------
* LDAP_ProcessOneSearchResult --
*
* Process one result return from an LDAP search.
*
* Paramaters:
* o interp - Tcl interpreter; Errors are returned in result.
* o ldap - LDAP structure pointer.
* o entry - LDAP message pointer.
* o destArrayNameObj - Name of Tcl array in which to store attributes.
* o evalCodeObj - Tcl_Obj pointer to code to eval against this result.
* Returns:
* o TCL_OK if processing succeeded..
* o TCL_ERROR if an error occured, with error message in interp.
*-----------------------------------------------------------------------------
*/
int
LDAP_ProcessOneSearchResult (interp, ldap, entry, destArrayNameObj, evalCodeObj)
Tcl_Interp *interp;
LDAP *ldap;
LDAPMessage *entry;
Tcl_Obj *destArrayNameObj;
Tcl_Obj *evalCodeObj;
{
char *attributeName;
Tcl_Obj *attributeNameObj;
Tcl_Obj *attributeDataObj;
int i;
BerElement *ber;
struct berval **bvals;
char *dn;
int lderrno;
Tcl_UnsetVar (interp, Tcl_GetStringFromObj (destArrayNameObj, NULL), 0);
dn = ldap_get_dn(ldap, entry);
if (dn != NULL) {
if (Tcl_SetVar2(interp, /* set dn */
Tcl_GetStringFromObj(destArrayNameObj, NULL),
"dn",
dn,
TCL_LEAVE_ERR_MSG) == NULL)
return TCL_ERROR;
ldap_memfree(dn);
}
attributeNameObj = Tcl_NewObj();
Tcl_IncrRefCount (attributeNameObj);
/* Note that attributeName below is allocated for OL2+ libldap, so it
must be freed with ldap_memfree(). Test below is admittedly a hack.
*/
for (attributeName = ldap_first_attribute (ldap, entry, &ber);
attributeName != NULL;
attributeName = ldap_next_attribute(ldap, entry, ber)) {
bvals = ldap_get_values_len(ldap, entry, attributeName);
if (bvals != NULL) {
/* Note here that the U.of.M. ldap will return a null bvals
when the last attribute value has been deleted, but still
retains the attributeName. Even though this is documented
as an error, we ignore it to present a consistent interface
with Netscape's server
*/
attributeDataObj = Tcl_NewObj();
Tcl_SetStringObj(attributeNameObj, attributeName, -1);
#if LDAP_API_VERSION >= 2004
ldap_memfree(attributeName); /* free if newer API */
#endif
for (i = 0; bvals[i] != NULL; i++) {
Tcl_Obj *singleAttributeValueObj;
singleAttributeValueObj = Tcl_NewStringObj(bvals[i]->bv_val, bvals[i]->bv_len);
if (Tcl_ListObjAppendElement (interp,
attributeDataObj,
singleAttributeValueObj)
== TCL_ERROR) {
ber_free(ber, 0);
return TCL_ERROR;
}
}
ldap_value_free_len(bvals);
if (Tcl_ObjSetVar2 (interp,
destArrayNameObj,
attributeNameObj,
attributeDataObj,
TCL_LEAVE_ERR_MSG) == NULL) {
return TCL_ERROR;
}
}
}
Tcl_DecrRefCount (attributeNameObj);
return Tcl_EvalObj (interp, evalCodeObj);
}
/*-----------------------------------------------------------------------------
* LDAP_PerformSearch --
*
* Perform an LDAP search.
*
* Paramaters:
* o interp - Tcl interpreter; Errors are returned in result.
* o ldap - LDAP structure pointer.
* o base - Base DN from which to perform search.
* o scope - LDAP search scope, must be one of LDAP_SCOPE_BASE,
* LDAP_SCOPE_ONELEVEL, or LDAP_SCOPE_SUBTREE.
* o attrs - Pointer to array of char * pointers of desired
* attribute names, or NULL for all attributes.
* o filtpatt LDAP filter pattern.
* o value Value to get sprintf'ed into filter pattern.
* o destArrayNameObj - Name of Tcl array in which to store attributes.
* o evalCodeObj - Tcl_Obj pointer to code to eval against this result.
* Returns:
* o TCL_OK if processing succeeded..
* o TCL_ERROR if an error occured, with error message in interp.
*-----------------------------------------------------------------------------
*/
int
LDAP_PerformSearch (interp, ldaptcl, base, scope, attrs, filtpatt, value,
destArrayNameObj, evalCodeObj, timeout_p, all, sortattr)
Tcl_Interp *interp;
LDAPTCL *ldaptcl;
char *base;
int scope;
char **attrs;
char *filtpatt;
char *value;
Tcl_Obj *destArrayNameObj;
Tcl_Obj *evalCodeObj;
struct timeval *timeout_p;
int all;
char *sortattr;
{
LDAP *ldap = ldaptcl->ldap;
char filter[BUFSIZ];
int resultCode;
int errorCode;
int abandon;
int tclResult = TCL_OK;
int msgid;
LDAPMessage *resultMessage = 0;
LDAPMessage *entryMessage = 0;
char *sortKey;
int lderrno;
sprintf(filter, filtpatt, value);
fflush(stderr);
if ((msgid = ldap_search (ldap, base, scope, filter, attrs, 0)) == -1) {
Tcl_AppendResult (interp,
"LDAP start search error: ",
LDAP_ERR_STRING(ldap),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, -1, interp);
return TCL_ERROR;
}
abandon = 0;
if (sortattr)
all = 1;
tclResult = TCL_OK;
while (!abandon) {
resultCode = ldap_result (ldap, msgid, all, timeout_p, &resultMessage);
if (resultCode != LDAP_RES_SEARCH_RESULT &&
resultCode != LDAP_RES_SEARCH_ENTRY)
break;
if (sortattr) {
sortKey = (strcasecmp(sortattr, "dn") == 0) ? NULL : sortattr;
ldap_sort_entries(ldap, &resultMessage, sortKey, strcasecmp);
}
entryMessage = ldap_first_entry(ldap, resultMessage);
while (entryMessage) {
tclResult = LDAP_ProcessOneSearchResult (interp,
ldap,
entryMessage,
destArrayNameObj,
evalCodeObj);
if (tclResult != TCL_OK) {
if (tclResult == TCL_CONTINUE) {
tclResult = TCL_OK;
} else if (tclResult == TCL_BREAK) {
tclResult = TCL_OK;
abandon = 1;
break;
} else if (tclResult == TCL_ERROR) {
char msg[100];
sprintf(msg, "\n (\"search\" body line %d)",
interp->errorLine);
Tcl_AddObjErrorInfo(interp, msg, -1);
abandon = 1;
break;
} else {
abandon = 1;
break;
}
}
entryMessage = ldap_next_entry(ldap, entryMessage);
}
if (resultCode == LDAP_RES_SEARCH_RESULT || all)
break;
if (resultMessage)
ldap_msgfree(resultMessage);
resultMessage = NULL;
}
if (abandon) {
if (resultMessage)
ldap_msgfree(resultMessage);
if (resultCode == LDAP_RES_SEARCH_ENTRY)
ldap_abandon(ldap, msgid);
return tclResult;
}
if (resultCode == -1) {
Tcl_ResetResult (interp);
Tcl_AppendResult (interp,
"LDAP result search error: ",
LDAP_ERR_STRING(ldap),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, -1, interp);
return TCL_ERROR;
}
if ((errorCode = ldap_result2error (ldap, resultMessage, 0))
!= LDAP_SUCCESS) {
Tcl_ResetResult (interp);
Tcl_AppendResult (interp,
"LDAP search error: ",
ldap_err2string(errorCode),
(char *)NULL);
if (resultMessage)
ldap_msgfree(resultMessage);
LDAP_SetErrorCode(ldaptcl, errorCode, interp);
return TCL_ERROR;
}
if (resultMessage)
ldap_msgfree(resultMessage);
return tclResult;
}
/*-----------------------------------------------------------------------------
* NeoX_LdapTargetObjCmd --
*
* Implements the body of commands created by Neo_LdapObjCmd.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*-----------------------------------------------------------------------------
*/
int
NeoX_LdapTargetObjCmd (clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
char *command;
char *subCommand;
LDAPTCL *ldaptcl = (LDAPTCL *)clientData;
LDAP *ldap = ldaptcl->ldap;
char *dn;
int is_add = 0;
int is_add_or_modify = 0;
int mod_op = 0;
char *m, *s, *errmsg;
int errcode;
int tclResult;
int lderrno; /* might be used by LDAP_ERR_STRING macro */
Tcl_Obj *resultObj = Tcl_GetObjResult (interp);
if (objc < 2) {
Tcl_WrongNumArgs (interp, 1, objv, "subcommand [args...]");
return TCL_ERROR;
}
command = Tcl_GetStringFromObj (objv[0], NULL);
subCommand = Tcl_GetStringFromObj (objv[1], NULL);
/* object bind authtype name password */
if (STREQU (subCommand, "bind")) {
char *binddn;
char *passwd;
int stringLength;
char *ldap_authString;
int ldap_authInt;
if (objc != 5) {
Tcl_WrongNumArgs (interp, 2, objv, "authtype dn passwd");
return TCL_ERROR;
}
ldap_authString = Tcl_GetStringFromObj (objv[2], NULL);
if (STREQU (ldap_authString, "simple")) {
ldap_authInt = LDAP_AUTH_SIMPLE;
}
#ifdef UMICH_LDAP
else if (STREQU (ldap_authString, "kerberos_ldap")) {
ldap_authInt = LDAP_AUTH_KRBV41;
} else if (STREQU (ldap_authString, "kerberos_dsa")) {
ldap_authInt = LDAP_AUTH_KRBV42;
} else if (STREQU (ldap_authString, "kerberos_both")) {
ldap_authInt = LDAP_AUTH_KRBV4;
}
#endif
else {
Tcl_AppendStringsToObj (resultObj,
"\"",
command,
" ",
subCommand,
#ifdef UMICH_LDAP
"\" authtype must be one of \"simple\", ",
"\"kerberos_ldap\", \"kerberos_dsa\" ",
"or \"kerberos_both\"",
#else
"\" authtype must be \"simple\", ",
#endif
(char *)NULL);
return TCL_ERROR;
}
binddn = Tcl_GetStringFromObj (objv[3], &stringLength);
if (stringLength == 0)
binddn = NULL;
passwd = Tcl_GetStringFromObj (objv[4], &stringLength);
if (stringLength == 0)
passwd = NULL;
/* ldap_bind_s(ldap, dn, pw, method) */
#ifdef UMICH_LDAP
#define LDAP_BIND(ldap, dn, pw, method) \
ldap_bind_s(ldap, dn, pw, method)
#else
#define LDAP_BIND(ldap, dn, pw, method) \
ldap_simple_bind_s(ldap, dn, pw)
#endif
if ((errcode = LDAP_BIND (ldap,
binddn,
passwd,
ldap_authInt)) != LDAP_SUCCESS) {
Tcl_AppendStringsToObj (resultObj,
"LDAP bind error: ",
ldap_err2string(errcode),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, errcode, interp);
return TCL_ERROR;
}
return TCL_OK;
}
if (STREQU (subCommand, "unbind")) {
if (objc != 2) {
Tcl_WrongNumArgs (interp, 2, objv, "");
return TCL_ERROR;
}
return Tcl_DeleteCommand(interp, Tcl_GetStringFromObj(objv[0], NULL));
}
/* object delete dn */
if (STREQU (subCommand, "delete")) {
if (objc != 3) {
Tcl_WrongNumArgs (interp, 2, objv, "dn");
return TCL_ERROR;
}
dn = Tcl_GetStringFromObj (objv [2], NULL);
if ((errcode = ldap_delete_s(ldap, dn)) != LDAP_SUCCESS) {
Tcl_AppendStringsToObj (resultObj,
"LDAP delete error: ",
ldap_err2string(errcode),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, errcode, interp);
return TCL_ERROR;
}
return TCL_OK;
}
/* object rename_rdn dn rdn */
/* object modify_rdn dn rdn */
if (STREQU (subCommand, "rename_rdn") || STREQU (subCommand, "modify_rdn")) {
char *rdn;
int deleteOldRdn;
if (objc != 4) {
Tcl_WrongNumArgs (interp, 2, objv, "dn rdn");
return TCL_ERROR;
}
dn = Tcl_GetStringFromObj (objv [2], NULL);
rdn = Tcl_GetStringFromObj (objv [3], NULL);
deleteOldRdn = (*subCommand == 'r');
if ((errcode = ldap_modrdn2_s (ldap, dn, rdn, deleteOldRdn)) != LDAP_SUCCESS) {
Tcl_AppendStringsToObj (resultObj,
"LDAP ",
subCommand,
" error: ",
ldap_err2string(errcode),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, errcode, interp);
return TCL_ERROR;
}
return TCL_OK;
}
/* object add dn attributePairList */
/* object add_attributes dn attributePairList */
/* object replace_attributes dn attributePairList */
/* object delete_attributes dn attributePairList */
if (STREQU (subCommand, "add")) {
is_add = 1;
is_add_or_modify = 1;
} else {
is_add = 0;
if (STREQU (subCommand, "add_attributes")) {
is_add_or_modify = 1;
mod_op = LDAP_MOD_ADD;
} else if (STREQU (subCommand, "replace_attributes")) {
is_add_or_modify = 1;
mod_op = LDAP_MOD_REPLACE;
} else if (STREQU (subCommand, "delete_attributes")) {
is_add_or_modify = 1;
mod_op = LDAP_MOD_DELETE;
}
}
if (is_add_or_modify) {
int result;
LDAPMod **modArray;
LDAPMod *mod;
char **valPtrs = NULL;
int attribObjc;
Tcl_Obj **attribObjv;
int valuesObjc;
Tcl_Obj **valuesObjv;
int nPairs, allPairs;
int i;
int j;
int pairIndex;
int modIndex;
Tcl_Obj *resultObj = Tcl_GetObjResult (interp);
if (objc < 4 || objc > 4 && is_add || is_add == 0 && objc&1) {
Tcl_AppendStringsToObj (resultObj,
"wrong # args: ",
Tcl_GetStringFromObj (objv [0], NULL),
" ",
subCommand,
" dn attributePairList",
(char *)NULL);
if (!is_add)
Tcl_AppendStringsToObj (resultObj,
" ?[add|delete|replace] attributePairList ...?", (char *)NULL);
return TCL_ERROR;
}
dn = Tcl_GetStringFromObj (objv [2], NULL);
allPairs = 0;
for (i = 3; i < objc; i += 2) {
if (Tcl_ListObjLength (interp, objv[i], &j) == TCL_ERROR)
return TCL_ERROR;
if (j & 1) {
Tcl_AppendStringsToObj (resultObj,
"attribute list does not contain an ",
"even number of key-value elements",
(char *)NULL);
return TCL_ERROR;
}
allPairs += j / 2;
}
modArray = (LDAPMod **)malloc (sizeof(LDAPMod *) * (allPairs + 1));
pairIndex = 3;
modIndex = 0;
do {
if (Tcl_ListObjGetElements (interp, objv [pairIndex], &attribObjc, &attribObjv)
== TCL_ERROR) {
mod_op = -1;
goto badop;
}
nPairs = attribObjc / 2;
for (i = 0; i < nPairs; i++) {
mod = modArray[modIndex++] = (LDAPMod *) malloc (sizeof(LDAPMod));
mod->mod_op = mod_op;
mod->mod_type = Tcl_GetStringFromObj (attribObjv [i * 2], NULL);
if (Tcl_ListObjGetElements (interp, attribObjv [i * 2 + 1], &valuesObjc, &valuesObjv) == TCL_ERROR) {
/* FIX: cleanup memory here */
mod_op = -1;
goto badop;
}
valPtrs = mod->mod_vals.modv_strvals = \
(char **)malloc (sizeof (char *) * (valuesObjc + 1));
valPtrs[valuesObjc] = (char *)NULL;
for (j = 0; j < valuesObjc; j++) {
valPtrs [j] = Tcl_GetStringFromObj (valuesObjv[j], NULL);
/* If it's "delete" and value is an empty string, make
* value be NULL to indicate entire attribute is to be
* deleted */
if ((*valPtrs [j] == '\0')
&& (mod->mod_op == LDAP_MOD_DELETE || mod->mod_op == LDAP_MOD_REPLACE)) {
valPtrs [j] = NULL;
}
}
}
pairIndex += 2;
if (mod_op != -1 && pairIndex < objc) {
subCommand = Tcl_GetStringFromObj (objv[pairIndex - 1], NULL);
mod_op = -1;
if (STREQU (subCommand, "add")) {
mod_op = LDAP_MOD_ADD;
} else if (STREQU (subCommand, "replace")) {
mod_op = LDAP_MOD_REPLACE;
} else if (STREQU (subCommand, "delete")) {
mod_op = LDAP_MOD_DELETE;
}
if (mod_op == -1) {
Tcl_SetStringObj (resultObj,
"Additional operators must be one of"
" add, replace, or delete", -1);
mod_op = -1;
goto badop;
}
}
} while (mod_op != -1 && pairIndex < objc);
modArray[modIndex] = (LDAPMod *) NULL;
if (is_add) {
result = ldap_add_s (ldap, dn, modArray);
} else {
result = ldap_modify_s (ldap, dn, modArray);
if (ldaptcl->caching)
ldap_uncache_entry (ldap, dn);
}
/* free the modArray elements, then the modArray itself. */
badop:
for (i = 0; i < modIndex; i++) {
free ((char *) modArray[i]->mod_vals.modv_strvals);
free ((char *) modArray[i]);
}
free ((char *) modArray);
/* after modArray is allocated, mod_op = -1 upon error for cleanup */
if (mod_op == -1)
return TCL_ERROR;
/* FIX: memory cleanup required all over the place here */
if (result != LDAP_SUCCESS) {
Tcl_AppendStringsToObj (resultObj,
"LDAP ",
subCommand,
" error: ",
ldap_err2string(result),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, result, interp);
return TCL_ERROR;
}
return TCL_OK;
}
/* object search controlArray dn pattern */
if (STREQU (subCommand, "search")) {
char *controlArrayName;
Tcl_Obj *controlArrayNameObj;
char *scopeString;
int scope;
char *derefString;
int deref;
char *baseString;
char **attributesArray;
char *attributesString;
int attributesArgc;
char *filterPatternString;
char *timeoutString;
double timeoutTime;
struct timeval timeout, *timeout_p;
char *paramString;
int cacheThis = -1;
int all = 0;
char *sortattr;
Tcl_Obj *destArrayNameObj;
Tcl_Obj *evalCodeObj;
if (objc != 5) {
Tcl_WrongNumArgs (interp, 2, objv,
"controlArray destArray code");
return TCL_ERROR;
}
controlArrayNameObj = objv [2];
controlArrayName = Tcl_GetStringFromObj (controlArrayNameObj, NULL);
destArrayNameObj = objv [3];
evalCodeObj = objv [4];
baseString = Tcl_GetVar2 (interp,
controlArrayName,
"base",
0);
if (baseString == (char *)NULL) {
Tcl_AppendStringsToObj (resultObj,
"required element \"base\" ",
"is missing from ldap control array \"",
controlArrayName,
"\"",
(char *)NULL);
return TCL_ERROR;
}
filterPatternString = Tcl_GetVar2 (interp,
controlArrayName,
"filter",
0);
if (filterPatternString == (char *)NULL) {
filterPatternString = "(objectclass=*)";
}
/* Fetch scope setting from control array.
* If it doesn't exist, default to subtree scoping.
*/
scopeString = Tcl_GetVar2 (interp, controlArrayName, "scope", 0);
if (scopeString == NULL) {
scope = LDAP_SCOPE_SUBTREE;
} else {
if (STREQU(scopeString, "base"))
scope = LDAP_SCOPE_BASE;
else if (STRNEQU(scopeString, "one", 3))
scope = LDAP_SCOPE_ONELEVEL;
else if (STRNEQU(scopeString, "sub", 3))
scope = LDAP_SCOPE_SUBTREE;
else {
Tcl_AppendStringsToObj (resultObj,
"\"scope\" element of \"",
controlArrayName,
"\" array is not one of ",
"\"base\", \"onelevel\", ",
"or \"subtree\"",
(char *) NULL);
return TCL_ERROR;
}
}
#ifdef LDAP_OPT_DEREF
/* Fetch dereference control setting from control array.
* If it doesn't exist, default to never dereference. */
derefString = Tcl_GetVar2 (interp,
controlArrayName,
"deref",
0);
if (derefString == (char *)NULL) {
deref = LDAP_DEREF_NEVER;
} else {
if (STREQU(derefString, "never"))
deref = LDAP_DEREF_NEVER;
else if (STREQU(derefString, "search"))
deref = LDAP_DEREF_SEARCHING;
else if (STREQU(derefString, "find"))
deref = LDAP_DEREF_FINDING;
else if (STREQU(derefString, "always"))
deref = LDAP_DEREF_ALWAYS;
else {
Tcl_AppendStringsToObj (resultObj,
"\"deref\" element of \"",
controlArrayName,
"\" array is not one of ",
"\"never\", \"search\", \"find\", ",
"or \"always\"",
(char *) NULL);
return TCL_ERROR;
}
}
#endif
/* Fetch list of attribute names from control array.
* If entry doesn't exist, default to NULL (all).
*/
attributesString = Tcl_GetVar2 (interp,
controlArrayName,
"attributes",
0);
if (attributesString == (char *)NULL) {
attributesArray = NULL;
} else {
if ((Tcl_SplitList (interp,
attributesString,
&attributesArgc,
&attributesArray)) != TCL_OK) {
return TCL_ERROR;
}
}
/* Fetch timeout value if there is one
*/
timeoutString = Tcl_GetVar2 (interp,
controlArrayName,
"timeout",
0);
timeout.tv_usec = 0;
if (timeoutString == (char *)NULL) {
timeout_p = NULL;
timeout.tv_sec = 0;
} else {
if (Tcl_GetDouble(interp, timeoutString, &timeoutTime) != TCL_OK)
return TCL_ERROR;
timeout.tv_sec = floor(timeoutTime);
timeout.tv_usec = (timeoutTime-timeout.tv_sec) * 1000000;
timeout_p = &timeout;
}
paramString = Tcl_GetVar2 (interp, controlArrayName, "cache", 0);
if (paramString) {
if (Tcl_GetInt(interp, paramString, &cacheThis) == TCL_ERROR)
return TCL_ERROR;
}
paramString = Tcl_GetVar2 (interp, controlArrayName, "all", 0);
if (paramString) {
if (Tcl_GetInt(interp, paramString, &all) == TCL_ERROR)
return TCL_ERROR;
}
sortattr = Tcl_GetVar2 (interp, controlArrayName, "sort", 0);
#ifdef UMICH_LDAP
ldap->ld_deref = deref;
ldap->ld_timelimit = 0;
ldap->ld_sizelimit = 0;
ldap->ld_options = 0;
#endif
/* Caching control within the search: if the "cache" control array */
/* value is set, disable/enable caching accordingly */
#if 0
if (cacheThis >= 0 && ldaptcl->caching != cacheThis) {
if (cacheThis) {
if (ldaptcl->timeout == 0) {
Tcl_SetStringObj(resultObj, "Caching never before enabled, I have no timeout value to use", -1);
return TCL_ERROR;
}
ldap_enable_cache(ldap, ldaptcl->timeout, ldaptcl->maxmem);
}
else
ldap_disable_cache(ldap);
}
#endif
#ifdef LDAP_OPT_DEREF
ldap_set_option(ldap, LDAP_OPT_DEREF, &deref);
#endif
tclResult = LDAP_PerformSearch (interp,
ldaptcl,
baseString,
scope,
attributesArray,
filterPatternString,
"",
destArrayNameObj,
evalCodeObj,
timeout_p,
all,
sortattr);
/* Following the search, if we changed the caching behavior, change */
/* it back. */
#if 0
if (cacheThis >= 0 && ldaptcl->caching != cacheThis) {
if (cacheThis)
ldap_disable_cache(ldap);
else
ldap_enable_cache(ldap, ldaptcl->timeout, ldaptcl->maxmem);
}
#ifdef LDAP_OPT_DEREF
deref = LDAP_DEREF_NEVER;
ldap_set_option(ldap, LDAP_OPT_DEREF, &deref);
#endif
#endif
return tclResult;
}
/* object compare dn attr value */
if (STREQU (subCommand, "compare")) {
char *dn;
char *attr;
char *value;
int result;
int lderrno;
if (objc != 5) {
Tcl_WrongNumArgs (interp,
2, objv,
"dn attribute value");
return TCL_ERROR;
}
dn = Tcl_GetStringFromObj (objv[2], NULL);
attr = Tcl_GetStringFromObj (objv[3], NULL);
value = Tcl_GetStringFromObj (objv[4], NULL);
result = ldap_compare_s (ldap, dn, attr, value);
if (result == LDAP_COMPARE_TRUE || result == LDAP_COMPARE_FALSE) {
Tcl_SetBooleanObj(resultObj, result == LDAP_COMPARE_TRUE);
return TCL_OK;
}
LDAP_SetErrorCode(ldaptcl, result, interp);
Tcl_AppendStringsToObj (resultObj,
"LDAP compare error: ",
LDAP_ERR_STRING(ldap),
(char *)NULL);
return TCL_ERROR;
}
if (STREQU (subCommand, "cache")) {
#if defined(UMICH_LDAP) || (defined(OPEN_LDAP) && !defined(LDAP_API_VERSION))
char *cacheCommand;
if (objc < 3) {
badargs:
Tcl_WrongNumArgs (interp, 2, objv [0], "command [args...]");
return TCL_ERROR;
}
cacheCommand = Tcl_GetStringFromObj (objv [2], NULL);
if (STREQU (cacheCommand, "uncache")) {
char *dn;
if (objc != 4) {
Tcl_WrongNumArgs (interp,
3, objv,
"dn");
return TCL_ERROR;
}
dn = Tcl_GetStringFromObj (objv [3], NULL);
ldap_uncache_entry (ldap, dn);
return TCL_OK;
}
if (STREQU (cacheCommand, "enable")) {
long timeout = ldaptcl->timeout;
long maxmem = ldaptcl->maxmem;
if (objc > 5) {
Tcl_WrongNumArgs (interp, 3, objv, "?timeout? ?maxmem?");
return TCL_ERROR;
}
if (objc > 3) {
if (Tcl_GetLongFromObj (interp, objv [3], &timeout) == TCL_ERROR)
return TCL_ERROR;
}
if (timeout == 0) {
Tcl_SetStringObj(resultObj,
objc > 3 ? "timeouts must be greater than 0" :
"no previous timeout to reference", -1);
return TCL_ERROR;
}
if (objc > 4)
if (Tcl_GetLongFromObj (interp, objv [4], &maxmem) == TCL_ERROR)
return TCL_ERROR;
if (ldap_enable_cache (ldap, timeout, maxmem) == -1) {
Tcl_AppendStringsToObj (resultObj,
"LDAP cache enable error: ",
LDAP_ERR_STRING(ldap),
(char *)NULL);
LDAP_SetErrorCode(ldaptcl, -1, interp);
return TCL_ERROR;
}
ldaptcl->caching = 1;
ldaptcl->timeout = timeout;
ldaptcl->maxmem = maxmem;
return TCL_OK;
}
if (objc != 3) goto badargs;
if (STREQU (cacheCommand, "disable")) {
ldap_disable_cache (ldap);
ldaptcl->caching = 0;
return TCL_OK;
}
if (STREQU (cacheCommand, "destroy")) {
ldap_destroy_cache (ldap);
ldaptcl->caching = 0;
return TCL_OK;
}
if (STREQU (cacheCommand, "flush")) {
ldap_flush_cache (ldap);
return TCL_OK;
}
if (STREQU (cacheCommand, "no_errors")) {
ldap_set_cache_options (ldap, LDAP_CACHE_OPT_CACHENOERRS);
return TCL_OK;
}
if (STREQU (cacheCommand, "all_errors")) {
ldap_set_cache_options (ldap, LDAP_CACHE_OPT_CACHEALLERRS);
return TCL_OK;
}
if (STREQU (cacheCommand, "size_errors")) {
ldap_set_cache_options (ldap, 0);
return TCL_OK;
}
Tcl_AppendStringsToObj (resultObj,
"\"",
command,
" ",
subCommand,
"\" subcommand",
" must be one of \"enable\", ",
"\"disable\", ",
"\"destroy\", \"flush\", \"uncache\", ",
"\"no_errors\", \"size_errors\",",
" or \"all_errors\"",
(char *)NULL);
return TCL_ERROR;
#else
return TCL_OK;
#endif
}
if (STREQU (subCommand, "trap")) {
Tcl_Obj *listObj, *resultObj;
int *p, l, i, code;
if (objc > 4) {
Tcl_WrongNumArgs (interp, 2, objv,
"command ?errorCode-list?");
return TCL_ERROR;
}
if (objc == 2) {
if (!ldaptcl->trapCmdObj)
return TCL_OK;
resultObj = Tcl_NewListObj(0, NULL);
Tcl_ListObjAppendElement(interp, resultObj, ldaptcl->trapCmdObj);
if (ldaptcl->traplist) {
listObj = Tcl_NewObj();
for (p = ldaptcl->traplist; *p; p++) {
Tcl_ListObjAppendElement(interp, listObj,
Tcl_NewStringObj(ldaptclerrorcode[*p], -1));
}
Tcl_ListObjAppendElement(interp, resultObj, listObj);
}
Tcl_SetObjResult(interp, resultObj);
return TCL_OK;
}
if (ldaptcl->trapCmdObj) {
Tcl_DecrRefCount (ldaptcl->trapCmdObj);
ldaptcl->trapCmdObj = NULL;
}
if (ldaptcl->traplist) {
free(ldaptcl->traplist);
ldaptcl->traplist = NULL;
}
Tcl_GetStringFromObj(objv[2], &l);
if (l == 0)
return TCL_OK; /* just turn off trap */
ldaptcl->trapCmdObj = objv[2];
Tcl_IncrRefCount (ldaptcl->trapCmdObj);
if (objc < 4)
return TCL_OK; /* no code list */
if (Tcl_ListObjLength(interp, objv[3], &l) != TCL_OK)
return TCL_ERROR;
if (l == 0)
return TCL_OK; /* empty code list */
ldaptcl->traplist = (int*)malloc(sizeof(int) * (l + 1));
ldaptcl->traplist[l] = 0;
for (i = 0; i < l; i++) {
Tcl_ListObjIndex(interp, objv[3], i, &resultObj);
code = LDAP_ErrorStringToCode(interp, Tcl_GetStringFromObj(resultObj, NULL));
if (code == -1) {
free(ldaptcl->traplist);
ldaptcl->traplist = NULL;
return TCL_ERROR;
}
ldaptcl->traplist[i] = code;
}
return TCL_OK;
}
if (STREQU (subCommand, "trapcodes")) {
int code;
Tcl_Obj *resultObj;
Tcl_Obj *stringObj;
resultObj = Tcl_GetObjResult(interp);
for (code = 0; code < LDAPTCL_MAXERR; code++) {
if (!ldaptclerrorcode[code]) continue;
Tcl_ListObjAppendElement(interp, resultObj,
Tcl_NewStringObj(ldaptclerrorcode[code], -1));
}
return TCL_OK;
}
#ifdef LDAP_DEBUG
if (STREQU (subCommand, "debug")) {
if (objc != 3) {
Tcl_AppendStringsToObj(resultObj, "Wrong # of arguments",
(char*)NULL);
return TCL_ERROR;
}
return Tcl_GetIntFromObj(interp, objv[2], &ldap_debug);
}
#endif
/* FIX: this needs to enumerate all the possibilities */
Tcl_AppendStringsToObj (resultObj,
"subcommand \"",
subCommand,
"\" must be one of \"add\", ",
"\"add_attributes\", ",
"\"bind\", \"cache\", \"delete\", ",
"\"delete_attributes\", \"modify\", ",
"\"modify_rdn\", \"rename_rdn\", ",
"\"replace_attributes\", ",
"\"search\" or \"unbind\".",
(char *)NULL);
return TCL_ERROR;
}
/*
* Delete and LDAP command object
*
*/
static void
NeoX_LdapObjDeleteCmd(clientData)
ClientData clientData;
{
LDAPTCL *ldaptcl = (LDAPTCL *)clientData;
LDAP *ldap = ldaptcl->ldap;
if (ldaptcl->trapCmdObj)
Tcl_DecrRefCount (ldaptcl->trapCmdObj);
if (ldaptcl->traplist)
free(ldaptcl->traplist);
ldap_unbind(ldap);
free((char*) ldaptcl);
}
/*-----------------------------------------------------------------------------
* NeoX_LdapObjCmd --
*
* Implements the `ldap' command:
* ldap open newObjName host [port]
* ldap init newObjName host [port]
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*-----------------------------------------------------------------------------
*/
static int
NeoX_LdapObjCmd (clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
extern int errno;
char *subCommand;
char *newCommand;
char *ldapHost;
int ldapPort = LDAP_PORT;
LDAP *ldap;
LDAPTCL *ldaptcl;
Tcl_Obj *resultObj = Tcl_GetObjResult (interp);
if (objc < 3) {
Tcl_WrongNumArgs (interp, 1, objv,
"(open|init) new_command host [port]|explode dn");
return TCL_ERROR;
}
subCommand = Tcl_GetStringFromObj (objv[1], NULL);
if (STREQU(subCommand, "explode")) {
char *param;
int nonames = 0;
int list = 0;
char **exploded, **p;
param = Tcl_GetStringFromObj (objv[2], NULL);
if (param[0] == '-') {
if (STREQU(param, "-nonames")) {
nonames = 1;
} else if (STREQU(param, "-list")) {
list = 1;
} else {
Tcl_WrongNumArgs (interp, 1, objv, "explode ?-nonames|-list? dn");
return TCL_ERROR;
}
}
if (nonames || list)
param = Tcl_GetStringFromObj (objv[3], NULL);
exploded = ldap_explode_dn(param, nonames);
for (p = exploded; *p; p++) {
if (list) {
char *q = strchr(*p, '=');
if (!q) {
Tcl_SetObjLength(resultObj, 0);
Tcl_AppendStringsToObj(resultObj, "rdn ", *p,
" missing '='", NULL);
ldap_value_free(exploded);
return TCL_ERROR;
}
*q = '\0';
if (Tcl_ListObjAppendElement(interp, resultObj,
Tcl_NewStringObj(*p, -1)) != TCL_OK ||
Tcl_ListObjAppendElement(interp, resultObj,
Tcl_NewStringObj(q+1, -1)) != TCL_OK) {
ldap_value_free(exploded);
return TCL_ERROR;
}
} else {
if (Tcl_ListObjAppendElement(interp, resultObj,
Tcl_NewStringObj(*p, -1))) {
ldap_value_free(exploded);
return TCL_ERROR;
}
}
}
ldap_value_free(exploded);
return TCL_OK;
}
#ifdef UMICH_LDAP
if (STREQU(subCommand, "friendly")) {
char *friendly = ldap_dn2ufn(Tcl_GetStringFromObj(objv[2], NULL));
Tcl_SetStringObj(resultObj, friendly, -1);
free(friendly);
return TCL_OK;
}
#endif
newCommand = Tcl_GetStringFromObj (objv[2], NULL);
ldapHost = Tcl_GetStringFromObj (objv[3], NULL);
if (objc == 5) {
if (Tcl_GetIntFromObj (interp, objv [4], &ldapPort) == TCL_ERROR) {
Tcl_AppendStringsToObj (resultObj,
"LDAP port number is non-numeric",
(char *)NULL);
return TCL_ERROR;
}
}
if (STREQU (subCommand, "open")) {
ldap = ldap_open (ldapHost, ldapPort);
} else if (STREQU (subCommand, "init")) {
int version = -1;
int i;
int value;
char *subOption;
char *subValue;
#if LDAPTCL_PROTOCOL_VERSION_DEFAULT
version = LDAPTCL_PROTOCOL_VERSION_DEFAULT;
#endif
for (i = 6; i < objc; i += 2) {
subOption = Tcl_GetStringFromObj(objv[i-1], NULL);
if (STREQU (subOption, "protocol_version")) {
#ifdef LDAP_OPT_PROTOCOL_VERSION
subValue = Tcl_GetStringFromObj(objv[i], NULL);
if (STREQU (subValue, "2")) {
version = LDAP_VERSION2;
}
else if (STREQU (subValue, "3")) {
#ifdef LDAP_VERSION3
version = LDAP_VERSION3;
#else
Tcl_SetStringObj (resultObj, "protocol_version 3 not supported", -1);
return TCL_ERROR;
#endif
}
else {
Tcl_SetStringObj (resultObj, "protocol_version must be '2' or '3'", -1);
return TCL_ERROR;
}
#else
Tcl_SetStringObj (resultObj, "protocol_version not supported", -1);
return TCL_ERROR;
#endif
} else if (STREQU (subOption, "port")) {
if (Tcl_GetIntFromObj (interp, objv [i], &ldapPort) == TCL_ERROR) {
Tcl_AppendStringsToObj (resultObj,
"LDAP port number is non-numeric",
(char *)NULL);
return TCL_ERROR;
}
} else {
Tcl_SetStringObj (resultObj, "valid options: protocol_version, port", -1);
return TCL_ERROR;
}
}
ldap = ldap_init (ldapHost, ldapPort);
#if LDAP_OPT_PROTOCOL_VERSION
if (version != -1)
ldap_set_option(ldap, LDAP_OPT_PROTOCOL_VERSION, &version);
#endif
} else {
Tcl_AppendStringsToObj (resultObj,
"option was not \"open\" or \"init\"");
return TCL_ERROR;
}
if (ldap == (LDAP *)NULL) {
Tcl_SetErrno(errno);
Tcl_AppendStringsToObj (resultObj,
Tcl_PosixError (interp),
(char *)NULL);
return TCL_ERROR;
}
#if UMICH_LDAP
ldap->ld_deref = LDAP_DEREF_NEVER; /* Turn off alias dereferencing */
#endif
ldaptcl = (LDAPTCL *) malloc(sizeof(LDAPTCL));
ldaptcl->ldap = ldap;
ldaptcl->caching = 0;
ldaptcl->timeout = 0;
ldaptcl->maxmem = 0;
ldaptcl->trapCmdObj = NULL;
ldaptcl->traplist = NULL;
ldaptcl->flags = 0;
Tcl_CreateObjCommand (interp,
newCommand,
NeoX_LdapTargetObjCmd,
(ClientData) ldaptcl,
NeoX_LdapObjDeleteCmd);
return TCL_OK;
}
/*-----------------------------------------------------------------------------
* Neo_initLDAP --
* Initialize the LDAP interface.
*-----------------------------------------------------------------------------
*/
int
Ldaptcl_Init (interp)
Tcl_Interp *interp;
{
Tcl_CreateObjCommand (interp,
"ldap",
NeoX_LdapObjCmd,
(ClientData) NULL,
(Tcl_CmdDeleteProc*) NULL);
/*
if (Neo_initLDAPX(interp) != TCL_OK)
return TCL_ERROR;
*/
Tcl_PkgProvide(interp, "Ldaptcl", VERSION);
return TCL_OK;
}
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