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-rw-r--r--addressbook/gui/component/Makefile.am3
-rw-r--r--addressbook/gui/component/openldap-extract.h1427
2 files changed, 1429 insertions, 1 deletions
diff --git a/addressbook/gui/component/Makefile.am b/addressbook/gui/component/Makefile.am
index 3352728630..b5fd69d1bc 100644
--- a/addressbook/gui/component/Makefile.am
+++ b/addressbook/gui/component/Makefile.am
@@ -105,7 +105,8 @@ CLEANFILES = $(BUILT_SOURCES)
EXTRA_DIST = \
$(glade_DATA) \
$(schema_in_files) \
- $(server_in_files)
+ $(server_in_files) \
+ openldap-extract.h
dist-hook:
cd $(distdir); rm -f $(BUILT_SOURCES)
diff --git a/addressbook/gui/component/openldap-extract.h b/addressbook/gui/component/openldap-extract.h
new file mode 100644
index 0000000000..25c47df653
--- /dev/null
+++ b/addressbook/gui/component/openldap-extract.h
@@ -0,0 +1,1427 @@
+/* This is extracted from the OpenLDAP sources.
+ *
+ * Stuff that isn't used in e-book-backend-ldap.c was dropped, like
+ * the LDAPSchemaExtensionItem stuff.
+ *
+ * This file basically has three parts:
+ *
+ * - some general macros from OpenLDAP that work as such on all
+ * implementations.
+ *
+ * - ldap_str2objectclass()
+ *
+ * - ldap_url_parse()
+ */
+
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2005 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include <string.h>
+#include <assert.h>
+
+/* from various header files */
+
+#define LDAP_CONST const
+
+#define LDAP_PORT 389 /* ldap:/// default LDAP port */
+#define LDAPS_PORT 636 /* ldaps:/// default LDAP over TLS port */
+
+#define LDAP_ROOT_DSE ""
+
+#define LDAP_SPACE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n')
+#define LDAP_DIGIT(c) ((c) >= '0' && (c) <= '9')
+
+#define LDAP_EXOP_START_TLS "1.3.6.1.4.1.1466.20037" /* RFC 2830 */
+
+#define LDAP_MALLOC(n) malloc((n))
+#define LDAP_CALLOC(n,s) calloc((n),(s))
+#define LDAP_REALLOC(p,s) realloc((p),(s))
+#define LDAP_FREE(p) free((p))
+#define LDAP_VFREE(p) vfree((void **)(p))
+#define LDAP_STRDUP(s) strdup((s))
+
+#define LDAP_RANGE(n,x,y) (((x) <= (n)) && ((n) <= (y)))
+#define LDAP_NAME_ERROR(n) LDAP_RANGE((n),0x20,0x24) /* 32-34,36 */
+
+#define ldap_msgtype(lm) (lm)->lm_msgtype
+#define ldap_msgid(lm) (lm)->lm_msgid
+
+#define LDAP_SCHERR_OUTOFMEM 1
+#define LDAP_SCHERR_UNEXPTOKEN 2
+#define LDAP_SCHERR_NOLEFTPAREN 3
+#define LDAP_SCHERR_NORIGHTPAREN 4
+#define LDAP_SCHERR_NODIGIT 5
+#define LDAP_SCHERR_BADNAME 6
+#define LDAP_SCHERR_BADDESC 7
+#define LDAP_SCHERR_BADSUP 8
+#define LDAP_SCHERR_DUPOPT 9
+#define LDAP_SCHERR_EMPTY 10
+#define LDAP_SCHERR_MISSING 11
+#define LDAP_SCHERR_OUT_OF_ORDER 12
+
+#define LDAP_SCHEMA_YES 1
+
+#define LDAP_SCHEMA_ABSTRACT 0
+#define LDAP_SCHEMA_STRUCTURAL 1
+#define LDAP_SCHEMA_AUXILIARY 2
+
+#define LDAP_SCHEMA_ALLOW_NONE 0x00U /* Strict parsing */
+#define LDAP_SCHEMA_ALLOW_NO_OID 0x01U /* Allow missing oid */
+#define LDAP_SCHEMA_ALLOW_QUOTED 0x02U /* Allow bogus extra quotes */
+#define LDAP_SCHEMA_ALLOW_DESCR 0x04U /* Allow descr instead of OID */
+#define LDAP_SCHEMA_ALLOW_DESCR_PREFIX 0x08U /* Allow descr as OID prefix */
+#define LDAP_SCHEMA_ALLOW_OID_MACRO 0x10U /* Allow OID macros in slapd */
+#define LDAP_SCHEMA_ALLOW_OUT_OF_ORDER_FIELDS 0x20U /* Allow fields in most any order */
+#define LDAP_SCHEMA_ALLOW_ALL 0x3fU /* Be very liberal in parsing */
+#define LDAP_SCHEMA_SKIP 0x80U /* Don't malloc any result */
+
+typedef struct ldap_objectclass {
+ char *oc_oid; /* REQUIRED */
+ char **oc_names; /* OPTIONAL */
+ char *oc_desc; /* OPTIONAL */
+ int oc_obsolete; /* 0=no, 1=yes */
+ char **oc_sup_oids; /* OPTIONAL */
+ int oc_kind; /* 0=ABSTRACT, 1=STRUCTURAL, 2=AUXILIARY */
+ char **oc_at_oids_must; /* OPTIONAL */
+ char **oc_at_oids_may; /* OPTIONAL */
+} LDAPObjectClass;
+
+
+static void
+vfree(void **vec)
+{
+ int i;
+
+ for (i = 0; vec[i] != NULL; i++)
+ free(vec[i]);
+}
+
+/* from schema.c */
+
+/*
+ * Now come the parsers. There is one parser for each entity type:
+ * objectclasses, attributetypes, etc.
+ *
+ * Each of them is written as a recursive-descent parser, except that
+ * none of them is really recursive. But the idea is kept: there
+ * is one routine per non-terminal that eithers gobbles lexical tokens
+ * or calls lower-level routines, etc.
+ *
+ * The scanner is implemented in the routine get_token. Actually,
+ * get_token is more than a scanner and will return tokens that are
+ * in fact non-terminals in the grammar. So you can see the whole
+ * approach as the combination of a low-level bottom-up recognizer
+ * combined with a scanner and a number of top-down parsers. Or just
+ * consider that the real grammars recognized by the parsers are not
+ * those of the standards. As a matter of fact, our parsers are more
+ * liberal than the spec when there is no ambiguity.
+ *
+ * The difference is pretty academic (modulo bugs or incorrect
+ * interpretation of the specs).
+ */
+
+#define TK_NOENDQUOTE -2
+#define TK_OUTOFMEM -1
+#define TK_EOS 0
+#define TK_UNEXPCHAR 1
+#define TK_BAREWORD 2
+#define TK_QDSTRING 3
+#define TK_LEFTPAREN 4
+#define TK_RIGHTPAREN 5
+#define TK_DOLLAR 6
+#define TK_QDESCR TK_QDSTRING
+
+struct token {
+ int type;
+ char *sval;
+};
+
+static int
+get_token( const char ** sp, char ** token_val )
+{
+ int kind;
+ const char * p;
+ const char * q;
+ char * res;
+
+ *token_val = NULL;
+ switch (**sp) {
+ case '\0':
+ kind = TK_EOS;
+ (*sp)++;
+ break;
+ case '(':
+ kind = TK_LEFTPAREN;
+ (*sp)++;
+ break;
+ case ')':
+ kind = TK_RIGHTPAREN;
+ (*sp)++;
+ break;
+ case '$':
+ kind = TK_DOLLAR;
+ (*sp)++;
+ break;
+ case '\'':
+ kind = TK_QDSTRING;
+ (*sp)++;
+ p = *sp;
+ while ( **sp != '\'' && **sp != '\0' )
+ (*sp)++;
+ if ( **sp == '\'' ) {
+ q = *sp;
+ res = LDAP_MALLOC(q-p+1);
+ if ( !res ) {
+ kind = TK_OUTOFMEM;
+ } else {
+ strncpy(res,p,q-p);
+ res[q-p] = '\0';
+ *token_val = res;
+ }
+ (*sp)++;
+ } else {
+ kind = TK_NOENDQUOTE;
+ }
+ break;
+ default:
+ kind = TK_BAREWORD;
+ p = *sp;
+ while ( !LDAP_SPACE(**sp) &&
+ **sp != '(' &&
+ **sp != ')' &&
+ **sp != '$' &&
+ **sp != '\'' &&
+ **sp != '\0' )
+ (*sp)++;
+ q = *sp;
+ res = LDAP_MALLOC(q-p+1);
+ if ( !res ) {
+ kind = TK_OUTOFMEM;
+ } else {
+ strncpy(res,p,q-p);
+ res[q-p] = '\0';
+ *token_val = res;
+ }
+ break;
+/* kind = TK_UNEXPCHAR; */
+/* break; */
+ }
+
+ return kind;
+}
+
+/* Gobble optional whitespace */
+static void
+parse_whsp(const char **sp)
+{
+ while (LDAP_SPACE(**sp))
+ (*sp)++;
+}
+
+/* Parse a sequence of dot-separated decimal strings */
+static char *
+ldap_int_parse_numericoid(const char **sp, int *code, const int flags)
+{
+ char * res = NULL;
+ const char * start = *sp;
+ int len;
+ int quoted = 0;
+
+ /* Netscape puts the SYNTAX value in quotes (incorrectly) */
+ if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && **sp == '\'' ) {
+ quoted = 1;
+ (*sp)++;
+ start++;
+ }
+ /* Each iteration of this loop gets one decimal string */
+ while (**sp) {
+ if ( !LDAP_DIGIT(**sp) ) {
+ /*
+ * Initial char is not a digit or char after dot is
+ * not a digit
+ */
+ *code = LDAP_SCHERR_NODIGIT;
+ return NULL;
+ }
+ (*sp)++;
+ while ( LDAP_DIGIT(**sp) )
+ (*sp)++;
+ if ( **sp != '.' )
+ break;
+ /* Otherwise, gobble the dot and loop again */
+ (*sp)++;
+ }
+ /* Now *sp points at the char past the numericoid. Perfect. */
+ len = *sp - start;
+ if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && quoted ) {
+ if ( **sp == '\'' ) {
+ (*sp)++;
+ } else {
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ return NULL;
+ }
+ }
+ if (flags & LDAP_SCHEMA_SKIP) {
+ res = (char *)start;
+ } else {
+ res = LDAP_MALLOC(len+1);
+ if (!res) {
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return(NULL);
+ }
+ strncpy(res,start,len);
+ res[len] = '\0';
+ }
+ return(res);
+}
+
+/* Parse a qdescr or a list of them enclosed in () */
+static char **
+parse_qdescrs(const char **sp, int *code)
+{
+ char ** res;
+ char ** res1;
+ int kind;
+ char * sval;
+ int size;
+ int pos;
+
+ parse_whsp(sp);
+ kind = get_token(sp,&sval);
+ if ( kind == TK_LEFTPAREN ) {
+ /* Let's presume there will be at least 2 entries */
+ size = 3;
+ res = LDAP_CALLOC(3,sizeof(char *));
+ if ( !res ) {
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return NULL;
+ }
+ pos = 0;
+ while (1) {
+ parse_whsp(sp);
+ kind = get_token(sp,&sval);
+ if ( kind == TK_RIGHTPAREN )
+ break;
+ if ( kind == TK_QDESCR ) {
+ if ( pos == size-2 ) {
+ size++;
+ res1 = LDAP_REALLOC(res,size*sizeof(char *));
+ if ( !res1 ) {
+ LDAP_VFREE(res);
+ LDAP_FREE(sval);
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return(NULL);
+ }
+ res = res1;
+ }
+ res[pos++] = sval;
+ res[pos] = NULL;
+ parse_whsp(sp);
+ } else {
+ LDAP_VFREE(res);
+ LDAP_FREE(sval);
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ return(NULL);
+ }
+ }
+ parse_whsp(sp);
+ return(res);
+ } else if ( kind == TK_QDESCR ) {
+ res = LDAP_CALLOC(2,sizeof(char *));
+ if ( !res ) {
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return NULL;
+ }
+ res[0] = sval;
+ res[1] = NULL;
+ parse_whsp(sp);
+ return res;
+ } else {
+ LDAP_FREE(sval);
+ *code = LDAP_SCHERR_BADNAME;
+ return NULL;
+ }
+}
+
+/* Parse a woid or a $-separated list of them enclosed in () */
+static char **
+parse_oids(const char **sp, int *code, const int allow_quoted)
+{
+ char ** res;
+ char ** res1;
+ int kind;
+ char * sval;
+ int size;
+ int pos;
+
+ /*
+ * Strictly speaking, doing this here accepts whsp before the
+ * ( at the begining of an oidlist, but this is harmless. Also,
+ * we are very liberal in what we accept as an OID. Maybe
+ * refine later.
+ */
+ parse_whsp(sp);
+ kind = get_token(sp,&sval);
+ if ( kind == TK_LEFTPAREN ) {
+ /* Let's presume there will be at least 2 entries */
+ size = 3;
+ res = LDAP_CALLOC(3,sizeof(char *));
+ if ( !res ) {
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return NULL;
+ }
+ pos = 0;
+ parse_whsp(sp);
+ kind = get_token(sp,&sval);
+ if ( kind == TK_BAREWORD ||
+ ( allow_quoted && kind == TK_QDSTRING ) ) {
+ res[pos++] = sval;
+ res[pos] = NULL;
+ } else {
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ LDAP_FREE(sval);
+ LDAP_VFREE(res);
+ return NULL;
+ }
+ parse_whsp(sp);
+ while (1) {
+ kind = get_token(sp,&sval);
+ if ( kind == TK_RIGHTPAREN )
+ break;
+ if ( kind == TK_DOLLAR ) {
+ parse_whsp(sp);
+ kind = get_token(sp,&sval);
+ if ( kind == TK_BAREWORD ||
+ ( allow_quoted &&
+ kind == TK_QDSTRING ) ) {
+ if ( pos == size-2 ) {
+ size++;
+ res1 = LDAP_REALLOC(res,size*sizeof(char *));
+ if ( !res1 ) {
+ LDAP_FREE(sval);
+ LDAP_VFREE(res);
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return(NULL);
+ }
+ res = res1;
+ }
+ res[pos++] = sval;
+ res[pos] = NULL;
+ } else {
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ LDAP_FREE(sval);
+ LDAP_VFREE(res);
+ return NULL;
+ }
+ parse_whsp(sp);
+ } else {
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ LDAP_FREE(sval);
+ LDAP_VFREE(res);
+ return NULL;
+ }
+ }
+ parse_whsp(sp);
+ return(res);
+ } else if ( kind == TK_BAREWORD ||
+ ( allow_quoted && kind == TK_QDSTRING ) ) {
+ res = LDAP_CALLOC(2,sizeof(char *));
+ if ( !res ) {
+ LDAP_FREE(sval);
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return NULL;
+ }
+ res[0] = sval;
+ res[1] = NULL;
+ parse_whsp(sp);
+ return res;
+ } else {
+ LDAP_FREE(sval);
+ *code = LDAP_SCHERR_BADNAME;
+ return NULL;
+ }
+}
+
+static void
+ldap_objectclass_free(LDAPObjectClass * oc)
+{
+ LDAP_FREE(oc->oc_oid);
+ if (oc->oc_names) LDAP_VFREE(oc->oc_names);
+ if (oc->oc_desc) LDAP_FREE(oc->oc_desc);
+ if (oc->oc_sup_oids) LDAP_VFREE(oc->oc_sup_oids);
+ if (oc->oc_at_oids_must) LDAP_VFREE(oc->oc_at_oids_must);
+ if (oc->oc_at_oids_may) LDAP_VFREE(oc->oc_at_oids_may);
+ LDAP_FREE(oc);
+}
+
+static LDAPObjectClass *
+ldap_str2objectclass( LDAP_CONST char * s,
+ int * code,
+ LDAP_CONST char ** errp,
+ LDAP_CONST unsigned flags )
+{
+ int kind;
+ const char * ss = s;
+ char * sval;
+ int seen_name = 0;
+ int seen_desc = 0;
+ int seen_obsolete = 0;
+ int seen_sup = 0;
+ int seen_kind = 0;
+ int seen_must = 0;
+ int seen_may = 0;
+ LDAPObjectClass * oc;
+ char ** ext_vals;
+ const char * savepos;
+
+ if ( !s ) {
+ *code = LDAP_SCHERR_EMPTY;
+ *errp = "";
+ return NULL;
+ }
+
+ *errp = s;
+ oc = LDAP_CALLOC(1,sizeof(LDAPObjectClass));
+
+ if ( !oc ) {
+ *code = LDAP_SCHERR_OUTOFMEM;
+ return NULL;
+ }
+ oc->oc_kind = LDAP_SCHEMA_STRUCTURAL;
+
+ kind = get_token(&ss,&sval);
+ if ( kind != TK_LEFTPAREN ) {
+ *code = LDAP_SCHERR_NOLEFTPAREN;
+ LDAP_FREE(sval);
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+
+ /*
+ * Definitions MUST begin with an OID in the numericoid format.
+ * However, this routine is used by clients to parse the response
+ * from servers and very well known servers will provide an OID
+ * in the wrong format or even no OID at all. We do our best to
+ * extract info from those servers.
+ */
+ parse_whsp(&ss);
+ savepos = ss;
+ oc->oc_oid = ldap_int_parse_numericoid(&ss,code,0);
+ if ( !oc->oc_oid ) {
+ if ( (flags & LDAP_SCHEMA_ALLOW_ALL) && (ss == savepos) ) {
+ /* Backtracking */
+ ss = savepos;
+ kind = get_token(&ss,&sval);
+ if ( kind == TK_BAREWORD ) {
+ if ( !strcasecmp(sval, "NAME") ||
+ !strcasecmp(sval, "DESC") ||
+ !strcasecmp(sval, "OBSOLETE") ||
+ !strcasecmp(sval, "SUP") ||
+ !strcasecmp(sval, "ABSTRACT") ||
+ !strcasecmp(sval, "STRUCTURAL") ||
+ !strcasecmp(sval, "AUXILIARY") ||
+ !strcasecmp(sval, "MUST") ||
+ !strcasecmp(sval, "MAY") ||
+ !strncasecmp(sval, "X-", 2) ) {
+ /* Missing OID, backtrack */
+ ss = savepos;
+ } else if ( flags &
+ LDAP_SCHEMA_ALLOW_OID_MACRO ) {
+ /* Non-numerical OID, ignore */
+ int len = ss-savepos;
+ oc->oc_oid = LDAP_MALLOC(len+1);
+ strncpy(oc->oc_oid, savepos, len);
+ oc->oc_oid[len] = 0;
+ }
+ }
+ LDAP_FREE(sval);
+ } else {
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ }
+ parse_whsp(&ss);
+
+ /*
+ * Beyond this point we will be liberal an accept the items
+ * in any order.
+ */
+ while (1) {
+ kind = get_token(&ss,&sval);
+ switch (kind) {
+ case TK_EOS:
+ *code = LDAP_SCHERR_NORIGHTPAREN;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ case TK_RIGHTPAREN:
+ return oc;
+ case TK_BAREWORD:
+ if ( !strcasecmp(sval,"NAME") ) {
+ LDAP_FREE(sval);
+ if ( seen_name ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_name = 1;
+ oc->oc_names = parse_qdescrs(&ss,code);
+ if ( !oc->oc_names ) {
+ if ( *code != LDAP_SCHERR_OUTOFMEM )
+ *code = LDAP_SCHERR_BADNAME;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ } else if ( !strcasecmp(sval,"DESC") ) {
+ LDAP_FREE(sval);
+ if ( seen_desc ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_desc = 1;
+ parse_whsp(&ss);
+ kind = get_token(&ss,&sval);
+ if ( kind != TK_QDSTRING ) {
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ *errp = ss;
+ LDAP_FREE(sval);
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ oc->oc_desc = sval;
+ parse_whsp(&ss);
+ } else if ( !strcasecmp(sval,"OBSOLETE") ) {
+ LDAP_FREE(sval);
+ if ( seen_obsolete ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_obsolete = 1;
+ oc->oc_obsolete = LDAP_SCHEMA_YES;
+ parse_whsp(&ss);
+ } else if ( !strcasecmp(sval,"SUP") ) {
+ LDAP_FREE(sval);
+ if ( seen_sup ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_sup = 1;
+ oc->oc_sup_oids = parse_oids(&ss,
+ code,
+ flags);
+ if ( !oc->oc_sup_oids ) {
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ } else if ( !strcasecmp(sval,"ABSTRACT") ) {
+ LDAP_FREE(sval);
+ if ( seen_kind ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_kind = 1;
+ oc->oc_kind = LDAP_SCHEMA_ABSTRACT;
+ parse_whsp(&ss);
+ } else if ( !strcasecmp(sval,"STRUCTURAL") ) {
+ LDAP_FREE(sval);
+ if ( seen_kind ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_kind = 1;
+ oc->oc_kind = LDAP_SCHEMA_STRUCTURAL;
+ parse_whsp(&ss);
+ } else if ( !strcasecmp(sval,"AUXILIARY") ) {
+ LDAP_FREE(sval);
+ if ( seen_kind ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_kind = 1;
+ oc->oc_kind = LDAP_SCHEMA_AUXILIARY;
+ parse_whsp(&ss);
+ } else if ( !strcasecmp(sval,"MUST") ) {
+ LDAP_FREE(sval);
+ if ( seen_must ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_must = 1;
+ oc->oc_at_oids_must = parse_oids(&ss,code,0);
+ if ( !oc->oc_at_oids_must ) {
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ parse_whsp(&ss);
+ } else if ( !strcasecmp(sval,"MAY") ) {
+ LDAP_FREE(sval);
+ if ( seen_may ) {
+ *code = LDAP_SCHERR_DUPOPT;
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return(NULL);
+ }
+ seen_may = 1;
+ oc->oc_at_oids_may = parse_oids(&ss,code,0);
+ if ( !oc->oc_at_oids_may ) {
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ parse_whsp(&ss);
+ } else if ( sval[0] == 'X' && sval[1] == '-' ) {
+ /* Should be parse_qdstrings */
+ ext_vals = parse_qdescrs(&ss, code);
+ if ( !ext_vals ) {
+ *errp = ss;
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+#if 0
+ if ( add_extension(&oc->oc_extensions,
+ sval, ext_vals) ) {
+ *code = LDAP_SCHERR_OUTOFMEM;
+ *errp = ss;
+ LDAP_FREE(sval);
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+#endif
+ } else {
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ *errp = ss;
+ LDAP_FREE(sval);
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ break;
+ default:
+ *code = LDAP_SCHERR_UNEXPTOKEN;
+ *errp = ss;
+ LDAP_FREE(sval);
+ ldap_objectclass_free(oc);
+ return NULL;
+ }
+ }
+}
+
+/* from utf-8.c */
+
+#define LDAP_UTF8_NEXT(p) g_utf8_next_char((p))
+#define LDAP_UTF8_INCR(p) ((p)=LDAP_UTF8_NEXT((p)))
+#define ldap_x_utf8_to_ucs4(str) g_utf8_get_char(str)
+
+static char *ldap_utf8_strchr( const char *str, const char *chr )
+{
+ for( ; *str != '\0'; LDAP_UTF8_INCR(str) ) {
+ if( ldap_x_utf8_to_ucs4( str ) == ldap_x_utf8_to_ucs4( chr ) ) {
+ return (char *) str;
+ }
+ }
+
+ return NULL;
+}
+
+static size_t ldap_utf8_strcspn( const char *str, const char *set )
+{
+ const char *cstr;
+ const char *cset;
+
+ for( cstr = str; *cstr != '\0'; LDAP_UTF8_INCR(cstr) ) {
+ for( cset = set; *cset != '\0'; LDAP_UTF8_INCR(cset) ) {
+ if( ldap_x_utf8_to_ucs4( cstr ) == ldap_x_utf8_to_ucs4( cset ) ) {
+ return cstr - str;
+ }
+ }
+ }
+
+ return cstr - str;
+}
+
+static size_t ldap_utf8_strspn( const char *str, const char *set )
+{
+ const char *cstr;
+ const char *cset;
+
+ for( cstr = str; *cstr != '\0'; LDAP_UTF8_INCR(cstr) ) {
+ for( cset = set; ; LDAP_UTF8_INCR(cset) ) {
+ if( *cset == '\0' ) {
+ return cstr - str;
+ }
+
+ if( ldap_x_utf8_to_ucs4( cstr ) == ldap_x_utf8_to_ucs4( cset ) ) {
+ break;
+ }
+ }
+ }
+
+ return cstr - str;
+}
+
+static char *ldap_utf8_strtok(char *str, const char *sep, char **last)
+{
+ char *begin;
+ char *end;
+
+ if( last == NULL ) return NULL;
+
+ begin = str ? str : *last;
+
+ begin += ldap_utf8_strspn( begin, sep );
+
+ if( *begin == '\0' ) {
+ *last = NULL;
+ return NULL;
+ }
+
+ end = &begin[ ldap_utf8_strcspn( begin, sep ) ];
+
+ if( *end != '\0' ) {
+ char *next = LDAP_UTF8_NEXT( end );
+ *end = '\0';
+ end = next;
+ }
+
+ *last = end;
+ return begin;
+}
+
+/* from ldap.h */
+
+#define LDAP_URL_SUCCESS 0x00 /* Success */
+#define LDAP_URL_ERR_MEM 0x01 /* can't allocate memory space */
+#define LDAP_URL_ERR_PARAM 0x02 /* parameter is bad */
+
+#define LDAP_URL_ERR_BADSCHEME 0x03 /* URL doesn't begin with "ldap[si]://" */
+#define LDAP_URL_ERR_BADENCLOSURE 0x04 /* URL is missing trailing ">" */
+#define LDAP_URL_ERR_BADURL 0x05 /* URL is bad */
+#define LDAP_URL_ERR_BADHOST 0x06 /* host port is bad */
+#define LDAP_URL_ERR_BADATTRS 0x07 /* bad (or missing) attributes */
+#define LDAP_URL_ERR_BADSCOPE 0x08 /* scope string is invalid (or missing) */
+#define LDAP_URL_ERR_BADFILTER 0x09 /* bad or missing filter */
+#define LDAP_URL_ERR_BADEXTS 0x0a /* bad or missing extensions */
+
+#define LDAP_URL_PREFIX "ldap://"
+#define LDAP_URL_PREFIX_LEN (sizeof(LDAP_URL_PREFIX)-1)
+#define LDAPS_URL_PREFIX "ldaps://"
+#define LDAPS_URL_PREFIX_LEN (sizeof(LDAPS_URL_PREFIX)-1)
+#define LDAPI_URL_PREFIX "ldapi://"
+#define LDAPI_URL_PREFIX_LEN (sizeof(LDAPI_URL_PREFIX)-1)
+
+#define LDAP_URL_URLCOLON "URL:"
+#define LDAP_URL_URLCOLON_LEN (sizeof(LDAP_URL_URLCOLON)-1)
+
+typedef struct ldap_url_desc {
+ struct ldap_url_desc *lud_next;
+ char *lud_scheme;
+ char *lud_host;
+ int lud_port;
+ char *lud_dn;
+ char **lud_attrs;
+ int lud_scope;
+ char *lud_filter;
+ char **lud_exts;
+ int lud_crit_exts;
+} LDAPURLDesc;
+
+/* from url.c */
+
+static const char*
+skip_url_prefix(
+ const char *url,
+ int *enclosedp,
+ const char **scheme )
+{
+ /*
+ * return non-zero if this looks like a LDAP URL; zero if not
+ * if non-zero returned, *urlp will be moved past "ldap://" part of URL
+ */
+ const char *p;
+
+ if ( url == NULL ) {
+ return( NULL );
+ }
+
+ p = url;
+
+ /* skip leading '<' (if any) */
+ if ( *p == '<' ) {
+ *enclosedp = 1;
+ ++p;
+ } else {
+ *enclosedp = 0;
+ }
+
+ /* skip leading "URL:" (if any) */
+ if ( strncasecmp( p, LDAP_URL_URLCOLON, LDAP_URL_URLCOLON_LEN ) == 0 ) {
+ p += LDAP_URL_URLCOLON_LEN;
+ }
+
+ /* check for "ldap://" prefix */
+ if ( strncasecmp( p, LDAP_URL_PREFIX, LDAP_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "ldap://" prefix and return success */
+ p += LDAP_URL_PREFIX_LEN;
+ *scheme = "ldap";
+ return( p );
+ }
+
+ /* check for "ldaps://" prefix */
+ if ( strncasecmp( p, LDAPS_URL_PREFIX, LDAPS_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "ldaps://" prefix and return success */
+ p += LDAPS_URL_PREFIX_LEN;
+ *scheme = "ldaps";
+ return( p );
+ }
+
+ /* check for "ldapi://" prefix */
+ if ( strncasecmp( p, LDAPI_URL_PREFIX, LDAPI_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "ldapi://" prefix and return success */
+ p += LDAPI_URL_PREFIX_LEN;
+ *scheme = "ldapi";
+ return( p );
+ }
+
+#ifdef LDAP_CONNECTIONLESS
+ /* check for "cldap://" prefix */
+ if ( strncasecmp( p, LDAPC_URL_PREFIX, LDAPC_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "cldap://" prefix and return success */
+ p += LDAPC_URL_PREFIX_LEN;
+ *scheme = "cldap";
+ return( p );
+ }
+#endif
+
+ return( NULL );
+}
+
+static int str2scope( const char *p )
+{
+ if ( strcasecmp( p, "one" ) == 0 ) {
+ return LDAP_SCOPE_ONELEVEL;
+
+ } else if ( strcasecmp( p, "onelevel" ) == 0 ) {
+ return LDAP_SCOPE_ONELEVEL;
+
+ } else if ( strcasecmp( p, "base" ) == 0 ) {
+ return LDAP_SCOPE_BASE;
+
+ } else if ( strcasecmp( p, "sub" ) == 0 ) {
+ return LDAP_SCOPE_SUBTREE;
+
+ } else if ( strcasecmp( p, "subtree" ) == 0 ) {
+ return LDAP_SCOPE_SUBTREE;
+ }
+
+ return( -1 );
+}
+
+static void
+ldap_free_urldesc( LDAPURLDesc *ludp )
+{
+ if ( ludp == NULL ) {
+ return;
+ }
+
+ if ( ludp->lud_scheme != NULL ) {
+ LDAP_FREE( ludp->lud_scheme );
+ }
+
+ if ( ludp->lud_host != NULL ) {
+ LDAP_FREE( ludp->lud_host );
+ }
+
+ if ( ludp->lud_dn != NULL ) {
+ LDAP_FREE( ludp->lud_dn );
+ }
+
+ if ( ludp->lud_filter != NULL ) {
+ LDAP_FREE( ludp->lud_filter);
+ }
+
+ if ( ludp->lud_attrs != NULL ) {
+ LDAP_VFREE( ludp->lud_attrs );
+ }
+
+ if ( ludp->lud_exts != NULL ) {
+ LDAP_VFREE( ludp->lud_exts );
+ }
+
+ LDAP_FREE( ludp );
+}
+
+static int
+ldap_int_unhex( int c )
+{
+ return( c >= '0' && c <= '9' ? c - '0'
+ : c >= 'A' && c <= 'F' ? c - 'A' + 10
+ : c - 'a' + 10 );
+}
+
+static void
+ldap_pvt_hex_unescape( char *s )
+{
+ /*
+ * Remove URL hex escapes from s... done in place. The basic concept for
+ * this routine is borrowed from the WWW library HTUnEscape() routine.
+ */
+ char *p;
+
+ for ( p = s; *s != '\0'; ++s ) {
+ if ( *s == '%' ) {
+ if ( *++s == '\0' ) {
+ break;
+ }
+ *p = ldap_int_unhex( *s ) << 4;
+ if ( *++s == '\0' ) {
+ break;
+ }
+ *p++ += ldap_int_unhex( *s );
+ } else {
+ *p++ = *s;
+ }
+ }
+
+ *p = '\0';
+}
+
+static char **
+ldap_str2charray( const char *str_in, const char *brkstr )
+{
+ char **res;
+ char *str, *s;
+ char *lasts;
+ int i;
+
+ /* protect the input string from strtok */
+ str = LDAP_STRDUP( str_in );
+ if( str == NULL ) {
+ return NULL;
+ }
+
+ i = 1;
+ for ( s = str; *s; s++ ) {
+ if ( ldap_utf8_strchr( brkstr, s ) != NULL ) {
+ i++;
+ }
+ }
+
+ res = (char **) LDAP_MALLOC( (i + 1) * sizeof(char *) );
+
+ if( res == NULL ) {
+ LDAP_FREE( str );
+ return NULL;
+ }
+
+ i = 0;
+
+ for ( s = ldap_utf8_strtok( str, brkstr, &lasts );
+ s != NULL;
+ s = ldap_utf8_strtok( NULL, brkstr, &lasts ) )
+ {
+ res[i] = LDAP_STRDUP( s );
+
+ if(res[i] == NULL) {
+ for( --i ; i >= 0 ; i-- ) {
+ LDAP_FREE( res[i] );
+ }
+ LDAP_FREE( res );
+ LDAP_FREE( str );
+ return NULL;
+ }
+
+ i++;
+ }
+
+ res[i] = NULL;
+
+ LDAP_FREE( str );
+ return( res );
+}
+
+static int
+ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
+{
+/*
+ * Pick apart the pieces of an LDAP URL.
+ */
+
+ LDAPURLDesc *ludp;
+ char *p, *q, *r;
+ int i, enclosed;
+ const char *scheme = NULL;
+ const char *url_tmp;
+ char *url;
+
+ if( url_in == NULL || ludpp == NULL ) {
+ return LDAP_URL_ERR_PARAM;
+ }
+
+ *ludpp = NULL; /* pessimistic */
+
+ url_tmp = skip_url_prefix( url_in, &enclosed, &scheme );
+
+ if ( url_tmp == NULL ) {
+ return LDAP_URL_ERR_BADSCHEME;
+ }
+
+ assert( scheme );
+
+ /* make working copy of the remainder of the URL */
+ url = LDAP_STRDUP( url_tmp );
+ if ( url == NULL ) {
+ return LDAP_URL_ERR_MEM;
+ }
+
+ if ( enclosed ) {
+ p = &url[strlen(url)-1];
+
+ if( *p != '>' ) {
+ LDAP_FREE( url );
+ return LDAP_URL_ERR_BADENCLOSURE;
+ }
+
+ *p = '\0';
+ }
+
+ /* allocate return struct */
+ ludp = (LDAPURLDesc *)LDAP_CALLOC( 1, sizeof( LDAPURLDesc ));
+
+ if ( ludp == NULL ) {
+ LDAP_FREE( url );
+ return LDAP_URL_ERR_MEM;
+ }
+
+ ludp->lud_next = NULL;
+ ludp->lud_host = NULL;
+ ludp->lud_port = 0;
+ ludp->lud_dn = NULL;
+ ludp->lud_attrs = NULL;
+ ludp->lud_filter = NULL;
+ ludp->lud_scope = LDAP_SCOPE_DEFAULT;
+ ludp->lud_filter = NULL;
+ ludp->lud_exts = NULL;
+
+ ludp->lud_scheme = LDAP_STRDUP( scheme );
+
+ if ( ludp->lud_scheme == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_MEM;
+ }
+
+ /* scan forward for '/' that marks end of hostport and begin. of dn */
+ p = strchr( url, '/' );
+
+ if( p != NULL ) {
+ /* terminate hostport; point to start of dn */
+ *p++ = '\0';
+ }
+
+ /* IPv6 syntax with [ip address]:port */
+ if ( *url == '[' ) {
+ r = strchr( url, ']' );
+ if ( r == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADURL;
+ }
+ *r++ = '\0';
+ q = strchr( r, ':' );
+ } else {
+ q = strchr( url, ':' );
+ }
+
+ if ( q != NULL ) {
+ char *next;
+
+ *q++ = '\0';
+ ldap_pvt_hex_unescape( q );
+
+ if( *q == '\0' ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADURL;
+ }
+
+ ludp->lud_port = strtol( q, &next, 10 );
+ if ( next == NULL || next[0] != '\0' ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADURL;
+ }
+ }
+
+ ldap_pvt_hex_unescape( url );
+
+ /* If [ip address]:port syntax, url is [ip and we skip the [ */
+ ludp->lud_host = LDAP_STRDUP( url + ( *url == '[' ) );
+
+ if( ludp->lud_host == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_MEM;
+ }
+
+ /*
+ * Kludge. ldap://111.222.333.444:389??cn=abc,o=company
+ *
+ * On early Novell releases, search references/referrals were returned
+ * in this format, i.e., the dn was kind of in the scope position,
+ * but the required slash is missing. The whole thing is illegal syntax,
+ * but we need to account for it. Fortunately it can't be confused with
+ * anything real.
+ */
+ if( (p == NULL) && (q != NULL) && ((q = strchr( q, '?')) != NULL)) {
+ q++;
+ /* ? immediately followed by question */
+ if( *q == '?') {
+ q++;
+ if( *q != '\0' ) {
+ /* parse dn part */
+ ldap_pvt_hex_unescape( q );
+ ludp->lud_dn = LDAP_STRDUP( q );
+ } else {
+ ludp->lud_dn = LDAP_STRDUP( "" );
+ }
+
+ if( ludp->lud_dn == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_MEM;
+ }
+ }
+ }
+
+ if( p == NULL ) {
+ LDAP_FREE( url );
+ *ludpp = ludp;
+ return LDAP_URL_SUCCESS;
+ }
+
+ /* scan forward for '?' that may marks end of dn */
+ q = strchr( p, '?' );
+
+ if( q != NULL ) {
+ /* terminate dn part */
+ *q++ = '\0';
+ }
+
+ if( *p != '\0' ) {
+ /* parse dn part */
+ ldap_pvt_hex_unescape( p );
+ ludp->lud_dn = LDAP_STRDUP( p );
+ } else {
+ ludp->lud_dn = LDAP_STRDUP( "" );
+ }
+
+ if( ludp->lud_dn == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_MEM;
+ }
+
+ if( q == NULL ) {
+ /* no more */
+ LDAP_FREE( url );
+ *ludpp = ludp;
+ return LDAP_URL_SUCCESS;
+ }
+
+ /* scan forward for '?' that may marks end of attributes */
+ p = q;
+ q = strchr( p, '?' );
+
+ if( q != NULL ) {
+ /* terminate attributes part */
+ *q++ = '\0';
+ }
+
+ if( *p != '\0' ) {
+ /* parse attributes */
+ ldap_pvt_hex_unescape( p );
+ ludp->lud_attrs = ldap_str2charray( p, "," );
+
+ if( ludp->lud_attrs == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADATTRS;
+ }
+ }
+
+ if ( q == NULL ) {
+ /* no more */
+ LDAP_FREE( url );
+ *ludpp = ludp;
+ return LDAP_URL_SUCCESS;
+ }
+
+ /* scan forward for '?' that may marks end of scope */
+ p = q;
+ q = strchr( p, '?' );
+
+ if( q != NULL ) {
+ /* terminate the scope part */
+ *q++ = '\0';
+ }
+
+ if( *p != '\0' ) {
+ /* parse the scope */
+ ldap_pvt_hex_unescape( p );
+ ludp->lud_scope = str2scope( p );
+
+ if( ludp->lud_scope == -1 ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADSCOPE;
+ }
+ }
+
+ if ( q == NULL ) {
+ /* no more */
+ LDAP_FREE( url );
+ *ludpp = ludp;
+ return LDAP_URL_SUCCESS;
+ }
+
+ /* scan forward for '?' that may marks end of filter */
+ p = q;
+ q = strchr( p, '?' );
+
+ if( q != NULL ) {
+ /* terminate the filter part */
+ *q++ = '\0';
+ }
+
+ if( *p != '\0' ) {
+ /* parse the filter */
+ ldap_pvt_hex_unescape( p );
+
+ if( ! *p ) {
+ /* missing filter */
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADFILTER;
+ }
+
+ LDAP_FREE( ludp->lud_filter );
+ ludp->lud_filter = LDAP_STRDUP( p );
+
+ if( ludp->lud_filter == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_MEM;
+ }
+ }
+
+ if ( q == NULL ) {
+ /* no more */
+ LDAP_FREE( url );
+ *ludpp = ludp;
+ return LDAP_URL_SUCCESS;
+ }
+
+ /* scan forward for '?' that may marks end of extensions */
+ p = q;
+ q = strchr( p, '?' );
+
+ if( q != NULL ) {
+ /* extra '?' */
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADURL;
+ }
+
+ /* parse the extensions */
+ ludp->lud_exts = ldap_str2charray( p, "," );
+
+ if( ludp->lud_exts == NULL ) {
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADEXTS;
+ }
+
+ for( i=0; ludp->lud_exts[i] != NULL; i++ ) {
+ ldap_pvt_hex_unescape( ludp->lud_exts[i] );
+
+ if( *ludp->lud_exts[i] == '!' ) {
+ /* count the number of critical extensions */
+ ludp->lud_crit_exts++;
+ }
+ }
+
+ if( i == 0 ) {
+ /* must have 1 or more */
+ LDAP_FREE( url );
+ ldap_free_urldesc( ludp );
+ return LDAP_URL_ERR_BADEXTS;
+ }
+
+ /* no more */
+ *ludpp = ludp;
+ LDAP_FREE( url );
+ return LDAP_URL_SUCCESS;
+}
+
+static int
+ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
+{
+ int rc = ldap_url_parse_ext( url_in, ludpp );
+
+ if( rc != LDAP_URL_SUCCESS ) {
+ return rc;
+ }
+
+ if ((*ludpp)->lud_scope == LDAP_SCOPE_DEFAULT) {
+ (*ludpp)->lud_scope = LDAP_SCOPE_BASE;
+ }
+
+ if ((*ludpp)->lud_host != NULL && *(*ludpp)->lud_host == '\0') {
+ LDAP_FREE( (*ludpp)->lud_host );
+ (*ludpp)->lud_host = NULL;
+ }
+
+ if ((*ludpp)->lud_port == 0) {
+ if( strcmp((*ludpp)->lud_scheme, "ldap") == 0 ) {
+ (*ludpp)->lud_port = LDAP_PORT;
+#ifdef LDAP_CONNECTIONLESS
+ } else if( strcmp((*ludpp)->lud_scheme, "cldap") == 0 ) {
+ (*ludpp)->lud_port = LDAP_PORT;
+#endif
+ } else if( strcmp((*ludpp)->lud_scheme, "ldaps") == 0 ) {
+ (*ludpp)->lud_port = LDAPS_PORT;
+ }
+ }
+
+ return rc;
+}
+
generated by cgit (git 2.34.1) at 2024-11-19 00:13:26 +0800