/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <ac/string.h>
#include "slap.h"
+#include "lutil.h"
+
+/* define to get an error if requesting limit higher than hard */
+#undef ABOVE_HARD_LIMIT_IS_ERROR
+
+static char *
+limits2str( unsigned i )
+{
+ switch ( i ) {
+ case SLAP_LIMITS_UNDEFINED:
+ return "UNDEFINED";
+
+ case SLAP_LIMITS_EXACT:
+ return "EXACT";
+
+ case SLAP_LIMITS_ONE:
+ return "ONELEVEL";
+
+ case SLAP_LIMITS_SUBTREE:
+ return "SUBTREE";
+
+ case SLAP_LIMITS_CHILDREN:
+ return "CHILDREN";
+
+ case SLAP_LIMITS_REGEX:
+ return "REGEX";
+
+ case SLAP_LIMITS_ANONYMOUS:
+ return "ANONYMOUS";
+
+ case SLAP_LIMITS_USERS:
+ return "USERS";
+
+ case SLAP_LIMITS_ANY:
+ return "ANY";
+
+ default:
+ return "UNKNOWN";
+ }
+}
int
limits_get(
{
struct slap_limits **lm;
- assert( op );
- assert( limit );
+ assert( op != NULL );
+ assert( limit != NULL );
+ Debug( LDAP_DEBUG_TRACE, "==> limits_get: %s dn=\"%s\"\n",
+ op->o_log_prefix,
+ BER_BVISNULL( ndn ) ? "[anonymous]" : ndn->bv_val, 0 );
/*
* default values
*/
switch ( style ) {
case SLAP_LIMITS_EXACT:
- if ( ndn->bv_len == 0 ) {
+ if ( BER_BVISEMPTY( ndn ) ) {
break;
}
lm[0]->lm_group_ad );
if ( rc == 0 ) {
*limit = &lm[0]->lm_limits;
+ Debug( LDAP_DEBUG_TRACE, "<== limits_get: type=GROUP match=EXACT "
+ "dn=\"%s\" oc=\"%s\" ad=\"%s\"\n",
+ lm[0]->lm_pat.bv_val,
+ lm[0]->lm_group_oc->soc_cname.bv_val,
+ lm[0]->lm_group_ad->ad_cname.bv_val );
+
return( 0 );
}
- }
+ } else {
- if ( dn_match( &lm[0]->lm_pat, ndn ) ) {
- *limit = &lm[0]->lm_limits;
- return( 0 );
+ if ( dn_match( &lm[0]->lm_pat, ndn ) ) {
+ *limit = &lm[0]->lm_limits;
+ Debug( LDAP_DEBUG_TRACE, "<== limits_get: type=DN match=EXACT dn=\"%s\"\n",
+ lm[0]->lm_pat.bv_val, 0, 0 );
+ return( 0 );
+ }
}
break;
case SLAP_LIMITS_CHILDREN: {
size_t d;
- if ( ndn->bv_len == 0 ) {
+ if ( BER_BVISEMPTY( ndn ) ) {
break;
}
}
} else {
/* check for unescaped rdn separator */
- if ( !DN_SEPARATOR( ndn->bv_val[d-1] ) ) {
+ if ( !DN_SEPARATOR( ndn->bv_val[d - 1] ) ) {
break;
}
}
}
*limit = &lm[0]->lm_limits;
+ Debug( LDAP_DEBUG_TRACE, "<== limits_get: type=DN match=%s dn=\"%s\"\n",
+ limits2str( style ), lm[0]->lm_pat.bv_val, 0 );
return( 0 );
}
}
case SLAP_LIMITS_REGEX:
- if ( ndn->bv_len == 0 ) {
+ if ( BER_BVISEMPTY( ndn ) ) {
break;
}
if ( regexec( &lm[0]->lm_regex, ndn->bv_val,
0, NULL, 0 ) == 0 )
{
*limit = &lm[0]->lm_limits;
+ Debug( LDAP_DEBUG_TRACE, "<== limits_get: type=DN match=%s dn=\"%s\"\n",
+ limits2str( style ), lm[0]->lm_pat.bv_val, 0 );
return( 0 );
}
break;
case SLAP_LIMITS_ANONYMOUS:
- if ( ndn->bv_len == 0 ) {
+ if ( BER_BVISEMPTY( ndn ) ) {
+ Debug( LDAP_DEBUG_TRACE, "<== limits_get: type=DN match=%s\n",
+ limits2str( style ), 0, 0 );
*limit = &lm[0]->lm_limits;
return( 0 );
}
break;
case SLAP_LIMITS_USERS:
- if ( ndn->bv_len != 0 ) {
+ if ( !BER_BVISEMPTY( ndn ) ) {
*limit = &lm[0]->lm_limits;
+ Debug( LDAP_DEBUG_TRACE, "<== limits_get: type=DN match=%s\n",
+ limits2str( style ), 0, 0 );
return( 0 );
}
break;
struct slap_limits *lm;
unsigned type, style;
- assert( be );
- assert( limit );
+ assert( be != NULL );
+ assert( limit != NULL );
type = flags & SLAP_LIMITS_TYPE_MASK;
style = flags & SLAP_LIMITS_MASK;
{
int rc;
struct berval bv;
- bv.bv_val = (char *) pattern;
- bv.bv_len = strlen( pattern );
+
+ ber_str2bv( pattern, 0, 0, &bv );
rc = dnNormalize( 0, NULL, NULL, &bv, &lm->lm_pat, NULL );
if ( rc != LDAP_SUCCESS ) {
case SLAP_LIMITS_USERS:
case SLAP_LIMITS_ANY:
lm->lm_flags = style | type;
- lm->lm_pat.bv_val = NULL;
- lm->lm_pat.bv_len = 0;
+ BER_BVZERO( &lm->lm_pat );
break;
}
switch ( type ) {
case SLAP_LIMITS_TYPE_GROUP:
- assert( group_oc );
- assert( group_ad );
+ assert( group_oc != NULL );
+ assert( group_ad != NULL );
lm->lm_group_oc = group_oc;
lm->lm_group_ad = group_ad;
break;
ObjectClass *group_oc = NULL;
AttributeDescription *group_ad = NULL;
- assert( be );
+ assert( be != NULL );
if ( argc < 3 ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s : line %d: missing arg(s) in "
- "\"limits <pattern> <limits>\" line.\n", fname, lineno, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: missing arg(s) in "
"\"limits <pattern> <limits>\" line.\n%s",
fname, lineno, "" );
-#endif
return( -1 );
}
pattern += STRLENOF( "level" );
} else {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, WARNING ,
- "%s : line %d: deprecated \"one\" style "
- "\"limits <pattern> <limits>\" line; "
- "use \"onelevel\" instead.\n", fname, lineno, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: deprecated \"one\" style "
"\"limits <pattern> <limits>\" line; "
"use \"onelevel\" instead.\n", fname, lineno, 0 );
-#endif
}
} else if ( strncasecmp( pattern, "sub", STRLENOF( "sub" ) ) == 0 ) {
pattern += STRLENOF( "tree" );
} else {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, WARNING ,
- "%s : line %d: deprecated \"sub\" style "
- "\"limits <pattern> <limits>\" line; "
- "use \"subtree\" instead.\n", fname, lineno, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: deprecated \"sub\" style "
"\"limits <pattern> <limits>\" line; "
"use \"subtree\" instead.\n", fname, lineno, 0 );
-#endif
}
} else if ( strncasecmp( pattern, "children", STRLENOF( "children" ) ) == 0 ) {
default:
if ( pattern[0] != '=' ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s : line %d: missing '=' in "
- "\"dn[.{exact|base|onelevel|subtree"
- "|children|regex|anonymous}]" "=<pattern>\" in "
- "\"limits <pattern> <limits>\" line.\n", fname, lineno, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: missing '=' in "
"\"dn[.{exact|base|onelevel|subtree"
"\"limits <pattern> <limits>\" "
"line.\n%s",
fname, lineno, "" );
-#endif
return( -1 );
}
struct berval oc, ad;
oc.bv_val = pattern + 1;
+ pattern = strchr( pattern, '=' );
+ if ( pattern == NULL ) {
+ return -1;
+ }
- ad.bv_val = strchr(pattern, '/');
+ ad.bv_val = strchr( oc.bv_val, '/' );
if ( ad.bv_val != NULL ) {
const char *text = NULL;
int rc;
oc.bv_len = ad.bv_val - oc.bv_val;
ad.bv_val++;
- ad.bv_len = strlen( ad.bv_val );
+ ad.bv_len = pattern - ad.bv_val;
rc = slap_bv2ad( &ad, &group_ad, &text );
if ( rc != LDAP_SUCCESS ) {
goto no_ad;
}
- pattern = ad.bv_val + ad.bv_len;
-
} else {
- oc.bv_len = strlen( oc.bv_val );
-
- pattern = oc.bv_val + oc.bv_len;
+ oc.bv_len = pattern - oc.bv_val;
}
group_oc = oc_bvfind( &oc );
flags = SLAP_LIMITS_TYPE_GROUP | SLAP_LIMITS_EXACT;
if ( pattern[0] != '=' ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s : line %d: missing '=' in "
- "\"group[/objectClass[/attributeType]]"
- "=<pattern>\" in "
- "\"limits <pattern> <limits>\" line.\n",
- fname, lineno, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: missing '=' in "
"\"group[/objectClass[/attributeType]]"
"=<pattern>\" in "
"\"limits <pattern> <limits>\" line.\n",
fname, lineno, 0 );
-#endif
return( -1 );
}
for ( i = 2; i < argc; i++ ) {
if ( limits_parse_one( argv[i], &limit ) ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s : line %d: unknown limit values \"%s\" in "
- "\"limits <pattern> <limits>\" line.\n",
- fname, lineno, argv[i] );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: unknown limit values \"%s\" in "
"\"limits <pattern> <limits>\" line.\n",
fname, lineno, argv[i] );
-#endif
return( 1 );
}
/*
* sanity checks ...
+ *
+ * FIXME: add warnings?
*/
if ( limit.lms_t_hard > 0 &&
( limit.lms_t_hard < limit.lms_t_soft
|| limit.lms_s_soft == -1 ) ) {
limit.lms_s_hard = limit.lms_s_soft;
}
-
+
+ /*
+ * defaults ...
+ *
+ * lms_t_hard:
+ * -1 => no limits
+ * 0 => same as soft
+ * > 0 => limit (in seconds)
+ *
+ * lms_s_hard:
+ * -1 => no limits
+ * 0 0> same as soft
+ * > 0 => limit (in entries)
+ *
+ * lms_s_pr_total:
+ * -2 => disable the control
+ * -1 => no limits
+ * 0 => same as soft
+ * > 0 => limit (in entries)
+ *
+ * lms_s_pr:
+ * -1 => no limits
+ * 0 => no limits?
+ * > 0 => limit size (in entries)
+ */
+ if ( limit.lms_s_pr_total > 0 &&
+ limit.lms_s_pr > limit.lms_s_pr_total ) {
+ limit.lms_s_pr = limit.lms_s_pr_total;
+ }
+
rc = limits_add( be, flags, pattern, group_oc, group_ad, &limit );
if ( rc ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s : line %d: unable to add limit in "
- "\"limits <pattern> <limits>\" line.\n",
- fname, lineno, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: unable to add limit in "
"\"limits <pattern> <limits>\" line.\n",
fname, lineno, 0 );
-#endif
}
return( rc );
struct slap_limits_set *limit
)
{
- assert( arg );
- assert( limit );
+ assert( arg != NULL );
+ assert( limit != NULL );
if ( strncasecmp( arg, "time", STRLENOF( "time" ) ) == 0 ) {
- arg += 4;
+ arg += STRLENOF( "time" );
if ( arg[0] == '.' ) {
arg++;
- if ( strncasecmp( arg, "soft", STRLENOF( "soft" ) ) == 0 ) {
- arg += 4;
- if ( arg[0] != '=' ) {
- return( 1 );
- }
- arg++;
- if ( strcasecmp( arg, "none" ) == 0 ) {
+ if ( strncasecmp( arg, "soft=", STRLENOF( "soft=" ) ) == 0 ) {
+ arg += STRLENOF( "soft=" );
+ if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_t_soft = -1;
+
} else {
- char *next = NULL;
+ int soft;
- limit->lms_t_soft =
- strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_t_soft < -1 ) {
+ if ( lutil_atoi( &soft, arg ) != 0 || soft < -1 ) {
return( 1 );
}
+
+ if ( soft == -1 ) {
+ /* FIXME: use "unlimited" instead; issue warning? */
+ }
+
+ limit->lms_t_soft = soft;
}
- } else if ( strncasecmp( arg, "hard", STRLENOF( "hard" ) ) == 0 ) {
- arg += 4;
- if ( arg[0] != '=' ) {
- return( 1 );
- }
- arg++;
+ } else if ( strncasecmp( arg, "hard=", STRLENOF( "hard=" ) ) == 0 ) {
+ arg += STRLENOF( "hard=" );
if ( strcasecmp( arg, "soft" ) == 0 ) {
limit->lms_t_hard = 0;
- } else if ( strcasecmp( arg, "none" ) == 0 ) {
+
+ } else if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_t_hard = -1;
+
} else {
- char *next = NULL;
+ int hard;
- limit->lms_t_hard =
- strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_t_hard < -1 ) {
+ if ( lutil_atoi( &hard, arg ) != 0 || hard < -1 ) {
return( 1 );
}
+
+ if ( hard == -1 ) {
+ /* FIXME: use "unlimited" instead */
+ }
+
+ if ( hard == 0 ) {
+ /* FIXME: use "soft" instead */
+ }
+
+ limit->lms_t_hard = hard;
}
} else {
} else if ( arg[0] == '=' ) {
arg++;
- if ( strcasecmp( arg, "none" ) == 0 ) {
+ if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_t_soft = -1;
- } else {
- char *next = NULL;
- limit->lms_t_soft = strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_t_soft < -1 ) {
+ } else {
+ if ( lutil_atoi( &limit->lms_t_soft, arg ) != 0
+ || limit->lms_t_soft < -1 )
+ {
return( 1 );
}
}
}
} else if ( strncasecmp( arg, "size", STRLENOF( "size" ) ) == 0 ) {
- arg += 4;
+ arg += STRLENOF( "size" );
if ( arg[0] == '.' ) {
arg++;
- if ( strncasecmp( arg, "soft", STRLENOF( "soft" ) ) == 0 ) {
- arg += 4;
- if ( arg[0] != '=' ) {
- return( 1 );
- }
- arg++;
- if ( strcasecmp( arg, "none" ) == 0 ) {
+ if ( strncasecmp( arg, "soft=", STRLENOF( "soft=" ) ) == 0 ) {
+ arg += STRLENOF( "soft=" );
+ if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_s_soft = -1;
+
} else {
- char *next = NULL;
+ int soft;
- limit->lms_s_soft =
- strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_s_soft < -1 ) {
+ if ( lutil_atoi( &soft, arg ) != 0 || soft < -1 ) {
return( 1 );
}
+
+ if ( soft == -1 ) {
+ /* FIXME: use "unlimited" instead */
+ }
+
+ limit->lms_s_soft = soft;
}
- } else if ( strncasecmp( arg, "hard", STRLENOF( "hard" ) ) == 0 ) {
- arg += 4;
- if ( arg[0] != '=' ) {
- return( 1 );
- }
- arg++;
+ } else if ( strncasecmp( arg, "hard=", STRLENOF( "hard=" ) ) == 0 ) {
+ arg += STRLENOF( "hard=" );
if ( strcasecmp( arg, "soft" ) == 0 ) {
limit->lms_s_hard = 0;
- } else if ( strcasecmp( arg, "none" ) == 0 ) {
+
+ } else if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_s_hard = -1;
+
} else {
- char *next = NULL;
+ int hard;
- limit->lms_s_hard =
- strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_s_hard < -1 ) {
+ if ( lutil_atoi( &hard, arg ) != 0 || hard < -1 ) {
return( 1 );
}
+
+ if ( hard == -1 ) {
+ /* FIXME: use "unlimited" instead */
+ }
+
+ if ( hard == 0 ) {
+ /* FIXME: use "soft" instead */
+ }
+
+ limit->lms_s_hard = hard;
}
- } else if ( strncasecmp( arg, "unchecked", STRLENOF( "unchecked" ) ) == 0 ) {
- arg += 9;
- if ( arg[0] != '=' ) {
- return( 1 );
- }
- arg++;
- if ( strcasecmp( arg, "none" ) == 0 ) {
+ } else if ( strncasecmp( arg, "unchecked=", STRLENOF( "unchecked=" ) ) == 0 ) {
+ arg += STRLENOF( "unchecked=" );
+ if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_s_unchecked = -1;
+
+ } else if ( strcasecmp( arg, "disabled" ) == 0 ) {
+ limit->lms_s_unchecked = 0;
+
} else {
- char *next = NULL;
+ int unchecked;
- limit->lms_s_unchecked =
- strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_s_unchecked < -1 ) {
+ if ( lutil_atoi( &unchecked, arg ) != 0 || unchecked < -1 ) {
return( 1 );
}
+
+ if ( unchecked == -1 ) {
+ /* FIXME: use "unlimited" instead */
+ }
+
+ limit->lms_s_unchecked = unchecked;
}
} else if ( strncasecmp( arg, "pr=", STRLENOF( "pr=" ) ) == 0 ) {
if ( strcasecmp( arg, "noEstimate" ) == 0 ) {
limit->lms_s_pr_hide = 1;
+ } else if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
+ limit->lms_s_pr = -1;
+
} else {
- char *next = NULL;
+ int pr;
- limit->lms_s_pr =
- strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_s_pr < -1 ) {
+ if ( lutil_atoi( &pr, arg ) != 0 || pr < -1 ) {
return( 1 );
}
+
+ if ( pr == -1 ) {
+ /* FIXME: use "unlimited" instead */
+ }
+
+ limit->lms_s_pr = pr;
}
} else if ( strncasecmp( arg, "prtotal=", STRLENOF( "prtotal=" ) ) == 0 ) {
- char *next = NULL;
-
arg += STRLENOF( "prtotal=" );
- limit->lms_s_pr_total = strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_s_pr_total < -1 ) {
- return( 1 );
+ if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
+ limit->lms_s_pr_total = -1;
+
+ } else if ( strcasecmp( arg, "disabled" ) == 0 ) {
+ limit->lms_s_pr_total = -2;
+
+ } else if ( strcasecmp( arg, "hard" ) == 0 ) {
+ limit->lms_s_pr_total = 0;
+
+ } else {
+ int total;
+
+ if ( lutil_atoi( &total, arg ) != 0 || total < -1 ) {
+ return( 1 );
+ }
+
+ if ( total == -1 ) {
+ /* FIXME: use "unlimited" instead */
+ }
+
+ if ( total == 0 ) {
+ /* FIXME: use "pr=disable" instead */
+ }
+
+ limit->lms_s_pr_total = total;
}
} else {
} else if ( arg[0] == '=' ) {
arg++;
- if ( strcasecmp( arg, "none" ) == 0 ) {
+ if ( strcasecmp( arg, "unlimited" ) == 0 || strcasecmp( arg, "none" ) == 0 ) {
limit->lms_s_soft = -1;
- } else {
- char *next = NULL;
- limit->lms_s_soft = strtol( arg, &next, 10 );
- if ( next == arg || limit->lms_s_soft < -1 ) {
+ } else {
+ if ( lutil_atoi( &limit->lms_s_soft, arg ) != 0
+ || limit->lms_s_soft < -1 )
+ {
return( 1 );
}
}
return 0;
}
+static const char *lmpats[] = {
+ "base",
+ "base",
+ "onelevel",
+ "subtree",
+ "children",
+ "regex",
+ "anonymous",
+ "users",
+ "*"
+};
+
+/* Caller must provide an adequately sized buffer in bv */
+void
+limits_unparse( struct slap_limits *lim, struct berval *bv )
+{
+ struct berval btmp;
+ char *ptr;
+ int lm;
+
+ if ( !bv || !bv->bv_val ) return;
+
+ ptr = bv->bv_val;
+
+ if (( lim->lm_flags & SLAP_LIMITS_TYPE_MASK ) == SLAP_LIMITS_TYPE_GROUP ) {
+ ptr = lutil_strcopy( ptr, "group/" );
+ ptr = lutil_strcopy( ptr, lim->lm_group_oc->soc_cname.bv_val );
+ *ptr++ = '/';
+ ptr = lutil_strcopy( ptr, lim->lm_group_ad->ad_cname.bv_val );
+ ptr = lutil_strcopy( ptr, "=\"" );
+ ptr = lutil_strcopy( ptr, lim->lm_pat.bv_val );
+ *ptr++ = '"';
+ } else {
+ lm = lim->lm_flags & SLAP_LIMITS_MASK;
+ switch( lm ) {
+ case SLAP_LIMITS_ANONYMOUS:
+ case SLAP_LIMITS_USERS:
+ case SLAP_LIMITS_ANY:
+ ptr = lutil_strcopy( ptr, lmpats[lm] );
+ break;
+ case SLAP_LIMITS_UNDEFINED:
+ case SLAP_LIMITS_EXACT:
+ case SLAP_LIMITS_ONE:
+ case SLAP_LIMITS_SUBTREE:
+ case SLAP_LIMITS_CHILDREN:
+ case SLAP_LIMITS_REGEX:
+ ptr = lutil_strcopy( ptr, "dn." );
+ ptr = lutil_strcopy( ptr, lmpats[lm] );
+ *ptr++ = '=';
+ *ptr++ = '"';
+ ptr = lutil_strcopy( ptr, lim->lm_pat.bv_val );
+ *ptr++ = '"';
+ break;
+ }
+ }
+ *ptr++ = ' ';
+ bv->bv_len = ptr - bv->bv_val;
+ btmp.bv_val = ptr;
+ btmp.bv_len = 0;
+ limits_unparse_one( &lim->lm_limits, SLAP_LIMIT_SIZE|SLAP_LIMIT_TIME, &btmp );
+ bv->bv_len += btmp.bv_len;
+}
+
+/* Caller must provide an adequately sized buffer in bv */
+void
+limits_unparse_one( struct slap_limits_set *lim, int which, struct berval *bv )
+{
+ char *ptr;
+
+ if ( !bv || !bv->bv_val ) return;
+
+ ptr = bv->bv_val;
+
+ if ( which & SLAP_LIMIT_SIZE ) {
+ if ( lim->lms_s_soft != SLAPD_DEFAULT_SIZELIMIT ) {
+
+ /* If same as global limit, drop it */
+ if ( lim != &frontendDB->be_def_limit &&
+ lim->lms_s_soft == frontendDB->be_def_limit.lms_s_soft )
+ goto s_hard;
+ /* If there's also a hard limit, fully qualify this one */
+ else if ( lim->lms_s_hard )
+ ptr = lutil_strcopy( ptr, " size.soft=" );
+
+ /* If doing both size & time, qualify this */
+ else if ( which & SLAP_LIMIT_TIME )
+ ptr = lutil_strcopy( ptr, " size=" );
+
+ if ( lim->lms_s_soft == -1 )
+ ptr = lutil_strcopy( ptr, "unlimited" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_s_soft );
+ *ptr++ = ' ';
+ }
+s_hard:
+ if ( lim->lms_s_hard ) {
+ ptr = lutil_strcopy( ptr, " size.hard=" );
+ if ( lim->lms_s_hard == -1 )
+ ptr = lutil_strcopy( ptr, "unlimited" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_s_hard );
+ *ptr++ = ' ';
+ }
+ if ( lim->lms_s_unchecked != -1 ) {
+ ptr = lutil_strcopy( ptr, " size.unchecked=" );
+ if ( lim->lms_s_unchecked == 0 )
+ ptr = lutil_strcopy( ptr, "disabled" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_s_unchecked );
+ *ptr++ = ' ';
+ }
+ if ( lim->lms_s_pr_hide ) {
+ ptr = lutil_strcopy( ptr, " size.pr=noEstimate " );
+ }
+ if ( lim->lms_s_pr ) {
+ ptr = lutil_strcopy( ptr, " size.pr=" );
+ if ( lim->lms_s_pr == -1 )
+ ptr = lutil_strcopy( ptr, "unlimited" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_s_pr );
+ *ptr++ = ' ';
+ }
+ if ( lim->lms_s_pr_total ) {
+ ptr = lutil_strcopy( ptr, " size.prtotal=" );
+ if ( lim->lms_s_pr_total == -1 )
+ ptr = lutil_strcopy( ptr, "unlimited" );
+ else if ( lim->lms_s_pr_total == -2 )
+ ptr = lutil_strcopy( ptr, "disabled" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_s_pr_total );
+ *ptr++ = ' ';
+ }
+ }
+ if ( which & SLAP_LIMIT_TIME ) {
+ if ( lim->lms_t_soft != SLAPD_DEFAULT_TIMELIMIT ) {
+
+ /* If same as global limit, drop it */
+ if ( lim != &frontendDB->be_def_limit &&
+ lim->lms_t_soft == frontendDB->be_def_limit.lms_t_soft )
+ goto t_hard;
+
+ /* If there's also a hard limit, fully qualify this one */
+ else if ( lim->lms_t_hard )
+ ptr = lutil_strcopy( ptr, " time.soft=" );
+
+ /* If doing both size & time, qualify this */
+ else if ( which & SLAP_LIMIT_SIZE )
+ ptr = lutil_strcopy( ptr, " time=" );
+
+ if ( lim->lms_t_soft == -1 )
+ ptr = lutil_strcopy( ptr, "unlimited" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_t_soft );
+ *ptr++ = ' ';
+ }
+t_hard:
+ if ( lim->lms_t_hard ) {
+ ptr = lutil_strcopy( ptr, " time.hard=" );
+ if ( lim->lms_t_hard == -1 )
+ ptr = lutil_strcopy( ptr, "unlimited" );
+ else
+ ptr += sprintf( ptr, "%d", lim->lms_t_hard );
+ *ptr++ = ' ';
+ }
+ }
+ if ( ptr != bv->bv_val ) {
+ ptr--;
+ *ptr = '\0';
+ bv->bv_len = ptr - bv->bv_val;
+ }
+}
int
limits_check( Operation *op, SlapReply *rs )
{
- assert( op );
- assert( rs );
+ assert( op != NULL );
+ assert( rs != NULL );
/* FIXME: should this be always true? */
assert( op->o_tag == LDAP_REQ_SEARCH);
-
+
+ /* protocol only allows 0..maxInt;
+ *
+ * internal searches:
+ * - may use SLAP_NO_LIMIT ( = -1 ) to indicate no limits;
+ * - should use slimit = N and tlimit = SLAP_NO_LIMIT to
+ * indicate searches that should return exactly N matches,
+ * and handle errors thru a callback (see for instance
+ * slap_sasl_match() and slap_sasl2dn())
+ */
+ if ( op->ors_tlimit == SLAP_NO_LIMIT && op->ors_slimit == SLAP_NO_LIMIT ) {
+ return 0;
+ }
+
/* allow root to set no limit */
if ( be_isroot( op ) ) {
op->ors_limit = NULL;
if ( op->ors_tlimit == 0 ) {
- op->ors_tlimit = -1;
+ op->ors_tlimit = SLAP_NO_LIMIT;
}
if ( op->ors_slimit == 0 ) {
- op->ors_slimit = -1;
+ op->ors_slimit = SLAP_NO_LIMIT;
}
/* if not root, get appropriate limits */
assert( op->ors_limit != NULL );
/* if no limit is required, use soft limit */
- if ( op->ors_tlimit <= 0 ) {
+ if ( op->ors_tlimit == 0 ) {
op->ors_tlimit = op->ors_limit->lms_t_soft;
- /* if requested limit higher than hard limit, abort */
- } else if ( op->ors_tlimit > op->ors_limit->lms_t_hard ) {
- /* no hard limit means use soft instead */
- if ( op->ors_limit->lms_t_hard == 0
- && op->ors_limit->lms_t_soft > -1
- && op->ors_tlimit > op->ors_limit->lms_t_soft ) {
- op->ors_tlimit = op->ors_limit->lms_t_soft;
+ /* limit required: check if legal */
+ } else {
+ if ( op->ors_limit->lms_t_hard == 0 ) {
+ if ( op->ors_limit->lms_t_soft > 0
+ && ( op->ors_tlimit > op->ors_limit->lms_t_soft ) ) {
+ op->ors_tlimit = op->ors_limit->lms_t_soft;
+ }
- /* positive hard limit means abort */
} else if ( op->ors_limit->lms_t_hard > 0 ) {
+#ifdef ABOVE_HARD_LIMIT_IS_ERROR
+ if ( op->ors_tlimit == SLAP_MAX_LIMIT ) {
+ op->ors_tlimit = op->ors_limit->lms_t_hard;
+
+ } else if ( op->ors_tlimit > op->ors_limit->lms_t_hard ) {
+ /* error if exceeding hard limit */
+ rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
+ send_ldap_result( op, rs );
+ rs->sr_err = LDAP_SUCCESS;
+ return -1;
+ }
+#else /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+ if ( op->ors_tlimit > op->ors_limit->lms_t_hard ) {
+ op->ors_tlimit = op->ors_limit->lms_t_hard;
+ }
+#endif /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+ }
+ }
+
+ /* else leave as is */
+
+ /* don't even get to backend if candidate check is disabled */
+ if ( op->ors_limit->lms_s_unchecked == 0 ) {
+ rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
+ send_ldap_result( op, rs );
+ rs->sr_err = LDAP_SUCCESS;
+ return -1;
+ }
+
+ /* if paged results is requested */
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
+ int slimit = -2;
+ int pr_total;
+ PagedResultsState *ps = op->o_pagedresults_state;
+
+ /* paged results is not allowed */
+ if ( op->ors_limit->lms_s_pr_total == -2 ) {
rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
+ rs->sr_text = "pagedResults control not allowed";
send_ldap_result( op, rs );
rs->sr_err = LDAP_SUCCESS;
+ rs->sr_text = NULL;
return -1;
}
-
- /* negative hard limit means no limit */
- }
-
- /* if no limit is required, use soft limit */
- if ( op->ors_slimit <= 0 ) {
- if ( get_pagedresults( op ) && op->ors_limit->lms_s_pr != 0 ) {
- op->ors_slimit = op->ors_limit->lms_s_pr;
+
+ if ( op->ors_limit->lms_s_pr > 0 && ps->ps_size > op->ors_limit->lms_s_pr ) {
+ rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
+ rs->sr_text = "illegal pagedResults page size";
+ send_ldap_result( op, rs );
+ rs->sr_err = LDAP_SUCCESS;
+ rs->sr_text = NULL;
+ return -1;
+ }
+
+ if ( op->ors_limit->lms_s_pr_total == 0 ) {
+ if ( op->ors_limit->lms_s_hard == 0 ) {
+ pr_total = op->ors_limit->lms_s_soft;
+ } else {
+ pr_total = op->ors_limit->lms_s_hard;
+ }
} else {
- op->ors_slimit = op->ors_limit->lms_s_soft;
+ pr_total = op->ors_limit->lms_s_pr_total;
}
- /* if requested limit higher than hard limit, abort */
- } else if ( op->ors_slimit > op->ors_limit->lms_s_hard ) {
- /* no hard limit means use soft instead */
- if ( op->ors_limit->lms_s_hard == 0
- && op->ors_limit->lms_s_soft > -1
- && op->ors_slimit > op->ors_limit->lms_s_soft ) {
- op->ors_slimit = op->ors_limit->lms_s_soft;
+ if ( pr_total == -1 ) {
+ if ( op->ors_slimit == 0 || op->ors_slimit == SLAP_MAX_LIMIT ) {
+ slimit = -1;
- /* positive hard limit means abort */
- } else if ( op->ors_limit->lms_s_hard > 0 ) {
+ } else {
+ slimit = op->ors_slimit - ps->ps_count;
+ }
+
+#ifdef ABOVE_HARD_LIMIT_IS_ERROR
+ } else if ( pr_total > 0 && op->ors_slimit != SLAP_MAX_LIMIT
+ && ( op->ors_slimit == SLAP_NO_LIMIT || op->ors_slimit > pr_total ) )
+ {
rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
send_ldap_result( op, rs );
- rs->sr_err = LDAP_SUCCESS;
+ rs->sr_err = LDAP_SUCCESS;
return -1;
+#endif /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+
+ } else {
+ /* if no limit is required, use soft limit */
+ int total;
+ int slimit2;
+
+ /* first round of pagedResults: set count to any appropriate limit */
+
+ /* if the limit is set, check that it does not violate any server-side limit */
+#ifdef ABOVE_HARD_LIMIT_IS_ERROR
+ if ( op->ors_slimit == SLAP_MAX_LIMIT ) {
+ slimit2 = op->ors_slimit = pr_total;
+#else /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+ if ( op->ors_slimit == SLAP_MAX_LIMIT || op->ors_slimit > pr_total ) {
+ slimit2 = op->ors_slimit = pr_total;
+#endif /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+
+ } else if ( op->ors_slimit == 0 ) {
+ slimit2 = pr_total;
+
+ } else {
+ slimit2 = op->ors_slimit;
+ }
+
+ total = slimit2 - ps->ps_count;
+
+ if ( total >= 0 ) {
+ if ( op->ors_limit->lms_s_pr > 0 ) {
+ /* use the smallest limit set by total/per page */
+ if ( total < op->ors_limit->lms_s_pr ) {
+ slimit = total;
+
+ } else {
+ /* use the perpage limit if any
+ * NOTE: + 1 because the given value must be legal */
+ slimit = op->ors_limit->lms_s_pr + 1;
+ }
+
+ } else {
+ /* use the total limit if any */
+ slimit = total;
+ }
+
+ } else if ( op->ors_limit->lms_s_pr > 0 ) {
+ /* use the perpage limit if any
+ * NOTE: + 1 because the given value must be legal */
+ slimit = op->ors_limit->lms_s_pr + 1;
+
+ } else {
+ /* use the standard hard/soft limit if any */
+ slimit = op->ors_limit->lms_s_hard;
+ }
}
- /* negative hard limit means no limit */
+ /* if got any limit, use it */
+ if ( slimit != -2 ) {
+ if ( op->ors_slimit == 0 ) {
+ op->ors_slimit = slimit;
+
+ } else if ( slimit > 0 ) {
+ if ( op->ors_slimit - ps->ps_count > slimit ) {
+ rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
+ send_ldap_result( op, rs );
+ rs->sr_err = LDAP_SUCCESS;
+ return -1;
+ }
+ op->ors_slimit = slimit;
+
+ } else if ( slimit == 0 ) {
+ op->ors_slimit = 0;
+ }
+
+ } else {
+ /* use the standard hard/soft limit if any */
+ op->ors_slimit = pr_total;
+ }
+
+ /* no limit requested: use soft, whatever it is */
+ } else if ( op->ors_slimit == 0 ) {
+ op->ors_slimit = op->ors_limit->lms_s_soft;
+
+ /* limit requested: check if legal */
+ } else {
+ /* hard limit as soft (traditional behavior) */
+ if ( op->ors_limit->lms_s_hard == 0 ) {
+ if ( op->ors_limit->lms_s_soft > 0
+ && op->ors_slimit > op->ors_limit->lms_s_soft ) {
+ op->ors_slimit = op->ors_limit->lms_s_soft;
+ }
+
+ /* explicit hard limit: error if violated */
+ } else if ( op->ors_limit->lms_s_hard > 0 ) {
+#ifdef ABOVE_HARD_LIMIT_IS_ERROR
+ if ( op->ors_slimit == SLAP_MAX_LIMIT ) {
+ op->ors_slimit = op->ors_limit->lms_s_hard;
+
+ } else if ( op->ors_slimit > op->ors_limit->lms_s_hard ) {
+ /* if limit exceeds hard, error */
+ rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
+ send_ldap_result( op, rs );
+ rs->sr_err = LDAP_SUCCESS;
+ return -1;
+ }
+#else /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+ if ( op->ors_slimit > op->ors_limit->lms_s_hard ) {
+ op->ors_slimit = op->ors_limit->lms_s_hard;
+ }
+#endif /* ! ABOVE_HARD_LIMIT_IS_ERROR */
+ }
}
+
+ /* else leave as is */
}
return 0;
}
+void
+limits_destroy(
+ struct slap_limits **lm )
+{
+ int i;
+
+ if ( lm == NULL ) {
+ return;
+ }
+
+ for ( i = 0; lm[ i ]; i++ ) {
+ switch ( lm[ i ]->lm_flags & SLAP_LIMITS_MASK ) {
+ case SLAP_LIMITS_REGEX:
+ regfree( &lm[ i ]->lm_regex );
+ break;
+
+ case SLAP_LIMITS_EXACT:
+ case SLAP_LIMITS_ONE:
+ case SLAP_LIMITS_SUBTREE:
+ case SLAP_LIMITS_CHILDREN:
+ if ( !BER_BVISNULL( &lm[ i ]->lm_pat ) ) {
+ ch_free( lm[ i ]->lm_pat.bv_val );
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ ch_free( lm[ i ] );
+ }
+
+ ch_free( lm );
+}
projects / openldap / blobdiff