/* limits.c - routines to handle regex-based size and time limits */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
int
get_limits(
- Backend *be,
- const char *ndn,
- int *timelimit,
- int *sizelimit
+ Backend *be,
+ struct berval *ndn,
+ struct slap_limits_set **limit
)
{
struct slap_limits **lm;
+ assert( be );
+ assert( limit );
+
/*
* default values
*/
- *timelimit = be->be_timelimit;
- *sizelimit = be->be_sizelimit;
+ *limit = &be->be_def_limit;
- /*
- * anonymous or no regex-based limits?
- */
- if ( be->be_limits == NULL || ndn == NULL || ndn[0] == '\0' ) {
+ if ( be->be_limits == NULL ) {
return( 0 );
}
for ( lm = be->be_limits; lm[0] != NULL; lm++ ) {
- switch ( lm[0]->lm_type) {
+ switch ( lm[0]->lm_type ) {
case SLAP_LIMITS_EXACT:
- if ( strcmp( lm[0]->lm_dn_pat, ndn ) == 0 ) {
- *timelimit = lm[0]->lm_timelimit;
- *sizelimit = lm[0]->lm_sizelimit;
+ if ( ndn->bv_len == 0 ) {
+ break;
+ }
+ if ( dn_match( &lm[0]->lm_dn_pat, ndn ) ) {
+ *limit = &lm[0]->lm_limits;
+ return( 0 );
+ }
+ break;
+
+ case SLAP_LIMITS_ONE:
+ case SLAP_LIMITS_SUBTREE:
+ case SLAP_LIMITS_CHILDREN: {
+ size_t d;
+
+ if ( ndn->bv_len == 0 ) {
+ break;
+ }
+
+ /* ndn shorter than dn_pat */
+ if ( ndn->bv_len < lm[0]->lm_dn_pat.bv_len ) {
+ break;
+ }
+ d = ndn->bv_len - lm[0]->lm_dn_pat.bv_len;
+
+ /* allow exact match for SUBTREE only */
+ if ( d == 0 ) {
+ if ( lm[0]->lm_type != SLAP_LIMITS_SUBTREE ) {
+ break;
+ }
+ } else {
+ /* check for unescaped rdn separator */
+ if ( !DN_SEPARATOR( ndn->bv_val[d-1] ) ) {
+ break;
+ }
+ }
+
+ /* in case of (sub)match ... */
+ if ( lm[0]->lm_dn_pat.bv_len == ( ndn->bv_len - d )
+ && strcmp( lm[0]->lm_dn_pat.bv_val, &ndn->bv_val[d] ) == 0 ) {
+ /* check for exactly one rdn in case of ONE */
+ if ( lm[0]->lm_type == SLAP_LIMITS_ONE ) {
+ /*
+ * if ndn is more that one rdn
+ * below dn_pat, continue
+ */
+ if ( (size_t) dn_rdnlen( NULL, ndn ) != d - 1 ) {
+ break;
+ }
+ }
+
+ *limit = &lm[0]->lm_limits;
return( 0 );
}
+
break;
+ }
case SLAP_LIMITS_REGEX:
- if ( regexec( &lm[0]->lm_dn_regex, ndn, 0, NULL, 0) == 0 ) {
- *timelimit = lm[0]->lm_timelimit;
- *sizelimit = lm[0]->lm_sizelimit;
+ if ( ndn->bv_len == 0 ) {
+ break;
+ }
+ if ( regexec( &lm[0]->lm_dn_regex, ndn->bv_val, 0, NULL, 0 )
+ == 0 )
+ {
+ *limit = &lm[0]->lm_limits;
return( 0 );
}
break;
-
+
+ case SLAP_LIMITS_ANONYMOUS:
+ if ( ndn->bv_len == 0 ) {
+ *limit = &lm[0]->lm_limits;
+ return( 0 );
+ }
+ break;
+
+ case SLAP_LIMITS_USERS:
+ if ( ndn->bv_len != 0 ) {
+ *limit = &lm[0]->lm_limits;
+ return( 0 );
+ }
+ break;
+
+ case SLAP_LIMITS_ANY:
+ *limit = &lm[0]->lm_limits;
+ return( 0 );
+
default:
assert( 0 ); /* unreachable */
return( -1 );
return( 0 );
}
-int
+static int
add_limits(
- Backend *be,
- int type,
- const char *pattern,
- int timelimit,
- int sizelimit
+ Backend *be,
+ int type,
+ const char *pattern,
+ struct slap_limits_set *limit
)
{
int i;
struct slap_limits *lm;
assert( be );
- assert( pattern);
+ assert( limit );
lm = ( struct slap_limits * )ch_calloc( sizeof( struct slap_limits ), 1 );
switch ( type ) {
case SLAP_LIMITS_EXACT:
- lm->lm_type = SLAP_LIMITS_EXACT;
- lm->lm_dn_pat = ch_strdup( pattern );
- if ( dn_normalize( lm->lm_dn_pat ) == NULL ) {
- ch_free( lm->lm_dn_pat );
- ch_free( lm );
- return( -1 );
+ case SLAP_LIMITS_ONE:
+ case SLAP_LIMITS_SUBTREE:
+ case SLAP_LIMITS_CHILDREN:
+ lm->lm_type = type;
+ {
+ int rc;
+ struct berval bv;
+ bv.bv_val = (char *) pattern;
+ bv.bv_len = strlen( pattern );
+
+ rc = dnNormalize2( NULL, &bv, &lm->lm_dn_pat );
+ if ( rc != LDAP_SUCCESS ) {
+ ch_free( lm );
+ return( -1 );
+ }
}
break;
case SLAP_LIMITS_REGEX:
case SLAP_LIMITS_UNDEFINED:
lm->lm_type = SLAP_LIMITS_REGEX;
- lm->lm_dn_pat = ch_strdup( pattern );
- if ( regcomp( &lm->lm_dn_regex, lm->lm_dn_pat, REG_EXTENDED | REG_ICASE ) ) {
- ch_free( lm->lm_dn_pat );
+ ber_str2bv( pattern, 0, 1, &lm->lm_dn_pat );
+ if ( regcomp( &lm->lm_dn_regex, lm->lm_dn_pat.bv_val,
+ REG_EXTENDED | REG_ICASE ) ) {
+ free( lm->lm_dn_pat.bv_val );
ch_free( lm );
return( -1 );
}
break;
+
+ case SLAP_LIMITS_ANONYMOUS:
+ case SLAP_LIMITS_USERS:
+ case SLAP_LIMITS_ANY:
+ lm->lm_type = type;
+ lm->lm_dn_pat.bv_val = NULL;
+ lm->lm_dn_pat.bv_len = 0;
+ break;
}
- lm->lm_timelimit = timelimit;
- lm->lm_sizelimit = sizelimit;
+ lm->lm_limits = *limit;
- if ( be->be_limits == NULL ) {
- i = 1;
- be->be_limits = ( struct slap_limits ** )ch_calloc( sizeof( struct slap_limits * ), 2 );
- } else {
- for ( i = 0; be->be_limits[i]; i++ );
-
- be->be_limits = ( struct slap_limits ** )ch_realloc( be->be_limits,
- sizeof( struct slap_limits * ) * ( i + 1 ) );
+ i = 0;
+ if ( be->be_limits != NULL ) {
+ for ( ; be->be_limits[i]; i++ );
}
+
+ be->be_limits = ( struct slap_limits ** )ch_realloc( be->be_limits,
+ sizeof( struct slap_limits * ) * ( i + 2 ) );
be->be_limits[i] = lm;
+ be->be_limits[i+1] = NULL;
return( 0 );
}
{
int type = SLAP_LIMITS_UNDEFINED;
char *pattern;
- int timelimit;
- int sizelimit;
+ struct slap_limits_set limit;
int i;
assert( be );
if ( argc < 3 ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "config", LDAP_LEVEL_CRIT,
+ LDAP_LOG( CONFIG, CRIT,
"%s : line %d: missing arg(s) in "
- "\"limits <pattern> <limits>\" line.\n",
- fname, lineno ));
+ "\"limits <pattern> <limits>\" line.\n", fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: missing arg(s) in "
return( -1 );
}
- timelimit = be->be_timelimit;
- sizelimit = be->be_sizelimit;
+ limit = be->be_def_limit;
/*
* syntax:
*
- * "limits" <pattern> <limit> [ <limit> [ ... ] ]
+ * "limits" <pattern> <limit> [ ... ]
*
*
* <pattern>:
*
- * [ "dn" [ "." { "exact" | "regex" } ] "=" ] <dn pattern>
+ * "anonymous"
+ * "users"
+ * [ "dn" [ "." { "exact" | "base" | "one" | "sub" | children"
+ * | "regex" | "anonymous" } ] "=" ] <dn pattern>
+ *
+ * Note:
+ * "exact" and "base" are the same (exact match);
+ * "one" means exactly one rdn below, NOT including the pattern
+ * "sub" means any rdn below, including the pattern
+ * "children" means any rdn below, NOT including the pattern
+ *
+ * "anonymous" may be deprecated in favour
+ * of the pattern = "anonymous" form
+ *
*
- *
* <limit>:
*
- * { "time" | "size" } "=" <value>
+ * "time" [ "." { "soft" | "hard" } ] "=" <integer>
+ *
+ * "size" [ "." { "soft" | "hard" | "unchecked" } ] "=" <integer>
*/
pattern = argv[1];
- if ( strncasecmp( pattern, "dn", 2 ) == 0 ) {
+ if ( strcmp( pattern, "*" ) == 0) {
+ type = SLAP_LIMITS_ANY;
+
+ } else if ( strcasecmp( pattern, "anonymous" ) == 0 ) {
+ type = SLAP_LIMITS_ANONYMOUS;
+
+ } else if ( strcasecmp( pattern, "users" ) == 0 ) {
+ type = SLAP_LIMITS_USERS;
+
+ } else if ( strncasecmp( pattern, "dn", 2 ) == 0 ) {
pattern += 2;
if ( pattern[0] == '.' ) {
pattern++;
if ( strncasecmp( pattern, "exact", 5 ) == 0 ) {
type = SLAP_LIMITS_EXACT;
pattern += 5;
+
+ } else if ( strncasecmp( pattern, "base", 4 ) == 0 ) {
+ type = SLAP_LIMITS_BASE;
+ pattern += 4;
+
+ } else if ( strncasecmp( pattern, "one", 3 ) == 0 ) {
+ type = SLAP_LIMITS_ONE;
+ pattern += 3;
+
+ } else if ( strncasecmp( pattern, "subtree", 7 ) == 0 ) {
+ type = SLAP_LIMITS_SUBTREE;
+ pattern += 7;
+
+ } else if ( strncasecmp( pattern, "children", 8 ) == 0 ) {
+ type = SLAP_LIMITS_CHILDREN;
+ pattern += 8;
+
} else if ( strncasecmp( pattern, "regex", 5 ) == 0 ) {
type = SLAP_LIMITS_REGEX;
pattern += 5;
+
+ /*
+ * this could be deprecated in favour
+ * of the pattern = "anonymous" form
+ */
+ } else if ( strncasecmp( pattern, "anonymous", 9 ) == 0 ) {
+ type = SLAP_LIMITS_ANONYMOUS;
+ pattern = NULL;
}
}
- if ( pattern[0] != '=' ) {
+ /* pre-check the data */
+ switch ( type ) {
+ case SLAP_LIMITS_ANONYMOUS:
+ case SLAP_LIMITS_USERS:
+
+ /* no need for pattern */
+ pattern = NULL;
+ break;
+
+ default:
+ if ( pattern[0] != '=' ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "config", LDAP_LEVEL_CRIT,
- "%s : line %d: missing '=' in "
- "\"dn[.{exact|regex}]=<pattern>\" in "
- "\"limits <pattern> <limits>\" line.\n",
- fname, lineno ));
+ LDAP_LOG( CONFIG, CRIT,
+ "%s : line %d: missing '=' in "
+ "\"dn[.{exact|base|one|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|regex}]=<pattern>\" in "
- "\"limits <pattern> <limits>\" line.\n%s",
- fname, lineno, "" );
+ Debug( LDAP_DEBUG_ANY,
+ "%s : line %d: missing '=' in "
+ "\"dn[.{exact|base|one|subtree"
+ "|children|regex|anonymous}]"
+ "=<pattern>\" in "
+ "\"limits <pattern> <limits>\" "
+ "line.\n%s",
+ fname, lineno, "" );
#endif
- return( -1 );
- }
+ return( -1 );
+ }
+
+ /* skip '=' (required) */
+ pattern++;
+
+ /* trim obvious cases */
+ if ( strcmp( pattern, "*" ) == 0 ) {
+ type = SLAP_LIMITS_ANY;
+ pattern = NULL;
- /* skip '=' (required) */
- pattern++;
+ } else if ( ( type == SLAP_LIMITS_REGEX || type == SLAP_LIMITS_UNDEFINED )
+ && strcmp( pattern, ".*" ) == 0 ) {
+ type = SLAP_LIMITS_ANY;
+ pattern = NULL;
+ }
+ }
}
+ /* get the limits */
for ( i = 2; i < argc; i++ ) {
- if ( strncasecmp( argv[i], "time=", 5) == 0 ) {
- timelimit = atoi( argv[i]+5 );
- } else if ( strncasecmp( argv[i], "size=", 5) == 0 ) {
- sizelimit = atoi( argv[i]+5 );
- } else {
+ if ( parse_limit( argv[i], &limit ) ) {
+
#ifdef NEW_LOGGING
- LDAP_LOG(( "config", LDAP_LEVEL_CRIT,
+ LDAP_LOG( CONFIG, CRIT,
"%s : line %d: unknown limit type \"%s\" in "
- "\"limits <pattern> <limits>\" line "
- "(ignored).\n",
- fname, lineno, argv[i] ));
+ "\"limits <pattern> <limits>\" line.\n",
+ fname, lineno, argv[i] );
#else
Debug( LDAP_DEBUG_ANY,
"%s : line %d: unknown limit type \"%s\" in "
- "\"limits <pattern> <limits>\" line "
- "(ignored).\n",
+ "\"limits <pattern> <limits>\" line.\n",
fname, lineno, argv[i] );
#endif
+
+ return( 1 );
}
}
+
+ /*
+ * sanity checks ...
+ */
+ if ( limit.lms_t_hard > 0 && limit.lms_t_hard < limit.lms_t_soft ) {
+ limit.lms_t_hard = limit.lms_t_soft;
+ }
+
+ if ( limit.lms_s_hard > 0 && limit.lms_s_hard < limit.lms_s_soft ) {
+ limit.lms_s_hard = limit.lms_s_soft;
+ }
- return( add_limits( be, type, pattern, timelimit, sizelimit ) );
+ return( add_limits( be, type, pattern, &limit ) );
+}
+
+int
+parse_limit(
+ const char *arg,
+ struct slap_limits_set *limit
+)
+{
+ assert( arg );
+ assert( limit );
+
+ if ( strncasecmp( arg, "time", 4 ) == 0 ) {
+ arg += 4;
+
+ if ( arg[0] == '.' ) {
+ arg++;
+ if ( strncasecmp( arg, "soft", 4 ) == 0 ) {
+ arg += 4;
+ if ( arg[0] != '=' ) {
+ return( 1 );
+ }
+ arg++;
+ limit->lms_t_soft = atoi( arg );
+
+ } else if ( strncasecmp( arg, "hard", 4 ) == 0 ) {
+ arg += 4;
+ if ( arg[0] != '=' ) {
+ return( 1 );
+ }
+ arg++;
+ if ( strcasecmp( arg, "soft" ) == 0 ) {
+ limit->lms_t_hard = 0;
+ } else if ( strcasecmp( arg, "none" ) == 0 ) {
+ limit->lms_t_hard = -1;
+ } else {
+ limit->lms_t_hard = atoi( arg );
+ }
+
+ } else {
+ return( 1 );
+ }
+
+ } else if ( arg[0] == '=' ) {
+ limit->lms_t_soft = atoi( arg );
+ limit->lms_t_hard = 0;
+
+ } else {
+ return( 1 );
+ }
+
+ } else if ( strncasecmp( arg, "size", 4 ) == 0 ) {
+ arg += 4;
+
+ if ( arg[0] == '.' ) {
+ arg++;
+ if ( strncasecmp( arg, "soft", 4 ) == 0 ) {
+ arg += 4;
+ if ( arg[0] != '=' ) {
+ return( 1 );
+ }
+ arg++;
+ limit->lms_s_soft = atoi( arg );
+
+ } else if ( strncasecmp( arg, "hard", 4 ) == 0 ) {
+ arg += 4;
+ if ( arg[0] != '=' ) {
+ return( 1 );
+ }
+ arg++;
+ if ( strcasecmp( arg, "soft" ) == 0 ) {
+ limit->lms_s_hard = 0;
+ } else if ( strcasecmp( arg, "none" ) == 0 ) {
+ limit->lms_s_hard = -1;
+ } else {
+ limit->lms_s_hard = atoi( arg );
+ }
+
+ } else if ( strncasecmp( arg, "unchecked", 9 ) == 0 ) {
+ arg += 9;
+ if ( arg[0] != '=' ) {
+ return( 1 );
+ }
+ arg++;
+ if ( strcasecmp( arg, "none" ) == 0 ) {
+ limit->lms_s_unchecked = -1;
+ } else {
+ limit->lms_s_unchecked = atoi( arg );
+ }
+
+ } else {
+ return( 1 );
+ }
+
+ } else if ( arg[0] == '=' ) {
+ limit->lms_s_soft = atoi( arg );
+ limit->lms_s_hard = 0;
+
+ } else {
+ return( 1 );
+ }
+ }
+
+ return 0;
}
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