Add ldap_url_desc2str().

This commit is contained in:
Kurt Zeilenga 2001-09-24 18:30:57 +00:00
parent b1f429b1cd
commit afd665034a

View file

@ -64,7 +64,7 @@ int ldap_pvt_url_scheme2proto( const char *scheme )
return -1;
}
int ldap_pvt_url_scheme2tls( const char *scheme )
LDAP_F(int) ldap_pvt_url_scheme2tls( const char *scheme )
{
assert( scheme );
@ -206,6 +206,184 @@ static int str2scope( const char *p )
return( -1 );
}
static int hex_escape( char *buf, const char *s, int list )
{
int i;
int pos;
static const char hex[] = "0123456789ABCDEF";
if( s == NULL ) return 0;
for( pos=0,i=0; s[i]; i++ ) {
int escape = 0;
switch( s[i] ) {
case ',':
escape = list;
break;
case '%':
case '?':
case ' ':
case '<':
case '>':
case '"':
case '#':
case '{':
case '}':
case '|':
case '\\':
case '^':
case '~':
case '`':
case '[':
case ']':
escape = 1;
break;
default:
escape = s[i] < 0x20 || 0x1f >= s[i];
}
if( escape ) {
buf[pos++] = '%';
buf[pos++] = hex[ (s[i] >> 4) & 0x0f ];
buf[pos++] = hex[ s[i] & 0x0f ];
} else {
buf[pos++] = s[i];
}
}
return pos;
}
static int hex_escape_args( char *buf, char **s )
{
int pos;
int i;
if( s == NULL ) return 0;
pos = 0;
for( i=0; s[i] != NULL; i++ ) {
if( pos ) {
buf[pos++] = ',';
}
pos += hex_escape( &buf[pos], s[i], 1 );
}
return pos;
}
char * ldap_url_desc2str( LDAPURLDesc *u )
{
char *s;
int i;
int sep = 0;
int sofar;
size_t len = 0;
if( u == NULL ) return NULL;
if( u->lud_exts ) {
for( i=0; u->lud_exts[i]; i++ ) {
len += strlen( u->lud_exts[i] ) + 1;
}
if( !sep ) sep = 5;
}
if( u->lud_filter ) {
len += strlen( u->lud_filter );
if( !sep ) sep = 4;
}
if ( len ) len++; /* ? */
switch( u->lud_scope ) {
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
case LDAP_SCOPE_BASE:
len += sizeof("base");
if( !sep ) sep = 3;
break;
default:
if ( len ) len++; /* ? */
}
if( u->lud_attrs ) {
for( i=0; u->lud_attrs[i]; i++ ) {
len += strlen( u->lud_attrs[i] ) + 1;
}
if( !sep ) sep = 2;
} else if ( len ) len++; /* ? */
if( u->lud_dn ) {
len += strlen( u->lud_dn ) + 1;
if( !sep ) sep = 1;
};
if( u->lud_port ) {
len+=6;
}
if( u->lud_host ) {
len+=strlen( u->lud_host );
}
len += strlen( u->lud_scheme ) + sizeof("://");
/* allocate enough to hex escape everything -- overkill */
s = LDAP_MALLOC( 3*len );
if( s == NULL ) return NULL;
if( u->lud_port ) {
sprintf( s, "%s://%s:%d%n", u->lud_scheme,
u->lud_host, u->lud_port, &sofar );
} else {
sprintf( s, "%s://%s%n", u->lud_scheme,
u->lud_host, &sofar );
}
if( sep < 1 ) goto done;
s[sofar++] = '/';
sofar += hex_escape( &s[sofar], u->lud_dn, 0 );
if( sep < 2 ) goto done;
s[sofar++] = '?';
sofar += hex_escape_args( &s[sofar], u->lud_attrs );
if( sep < 3 ) goto done;
s[sofar++] = '?';
switch( u->lud_scope ) {
case LDAP_SCOPE_BASE:
strcpy( &s[sofar], "base" );
sofar += sizeof("base") - 1;
break;
case LDAP_SCOPE_ONELEVEL:
strcpy( &s[sofar], "one" );
sofar += sizeof("one") - 1;
break;
case LDAP_SCOPE_SUBTREE:
strcpy( &s[sofar], "sub" );
sofar += sizeof("sub") - 1;
break;
}
if( sep < 4 ) goto done;
s[sofar++] = '?';
sofar += hex_escape( &s[sofar], u->lud_filter, 0 );
if( sep < 5 ) goto done;
s[sofar++] = '?';
sofar += hex_escape_args( &s[sofar], u->lud_exts );
done:
s[sofar] = '\0';
return s;
}
int
ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
@ -271,7 +449,7 @@ ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
ludp->lud_next = NULL;
ludp->lud_host = NULL;
ludp->lud_port = LDAP_PORT;
ludp->lud_port = 0;
ludp->lud_dn = NULL;
ludp->lud_attrs = NULL;
ludp->lud_filter = NULL;
@ -287,10 +465,6 @@ ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
return LDAP_URL_ERR_MEM;
}
if( strcasecmp( ludp->lud_scheme, "ldaps" ) == 0 ) {
ludp->lud_port = LDAPS_PORT;
}
/* scan forward for '/' that marks end of hostport and begin. of dn */
p = strchr( url, '/' );
@ -555,6 +729,14 @@ ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
(*ludpp)->lud_host = NULL;
}
if ((*ludpp)->lud_port == 0) {
if( strcmp((*ludpp)->lud_scheme, "ldap") == 0 ) {
(*ludpp)->lud_port = LDAP_PORT;
} else if( strcmp((*ludpp)->lud_scheme, "ldaps") == 0 ) {
(*ludpp)->lud_port = LDAPS_PORT;
}
}
return rc;
}