ITS#4879 fixes for url parse/unparse

This commit is contained in:
Howard Chu 2007-04-03 03:27:24 +00:00
parent b596ae0adf
commit 848be16aaf
2 changed files with 113 additions and 64 deletions

View file

@ -20,7 +20,7 @@
/*
* LDAP URLs look like this:
* ldap[is]://host:port[/[dn[?[attributes][?[scope][?[filter][?exts]]]]]]
* ldap[is]://host[:port][/[dn[?[attributes][?[scope][?[filter][?exts]]]]]]
*
* where:
* attributes is a comma separated list
@ -533,12 +533,17 @@ desc2str_len( LDAPURLDesc *u )
{
int sep = 0;
int len = 0;
int is_ipc = 0;
struct berval scope;
if ( u == NULL ) {
return -1;
}
if ( u->lud_scheme && !strcmp( "ldapi", u->lud_scheme )) {
is_ipc = 1;
}
if ( u->lud_exts ) {
len += hex_escape_len_list( u->lud_exts, URLESC_COMMA );
if ( !sep ) {
@ -587,6 +592,9 @@ desc2str_len( LDAPURLDesc *u )
} else {
if ( u->lud_host && u->lud_host[0] ) {
len += hex_escape_len( u->lud_host, URLESC_SLASH );
if ( !is_ipc && strchr( u->lud_host, ':' )) {
len += 2; /* IPv6, [] */
}
}
}
@ -595,12 +603,14 @@ desc2str_len( LDAPURLDesc *u )
return len;
}
int
static int
desc2str( LDAPURLDesc *u, char *s, int len )
{
int i;
int sep = 0;
int sofar = 0;
int is_v6 = 0;
int is_ipc = 0;
struct berval scope = BER_BVNULL;
if ( u == NULL ) {
@ -611,6 +621,10 @@ desc2str( LDAPURLDesc *u, char *s, int len )
return -1;
}
if ( u->lud_scheme && !strcmp( "ldapi", u->lud_scheme )) {
is_ipc = 1;
}
ldap_pvt_scope2bv( u->lud_scope, &scope );
if ( u->lud_exts ) {
@ -625,17 +639,31 @@ desc2str( LDAPURLDesc *u, char *s, int len )
sep = 1;
}
if ( !is_ipc && u->lud_host && strchr( u->lud_host, ':' )) {
is_v6 = 1;
}
if ( u->lud_port ) {
len -= sprintf( s, "%s://%s:%d%n", u->lud_scheme,
len -= sprintf( s, "%s://%s%s%s:%d%n", u->lud_scheme,
is_v6 ? "[" : "",
u->lud_host ? u->lud_host : "",
is_v6 ? "]" : "",
u->lud_port, &sofar );
} else {
len -= sprintf( s, "%s://%n", u->lud_scheme, &sofar );
if ( u->lud_host && u->lud_host[0] ) {
if ( is_v6 ) {
s[sofar++] = '[';
len--;
}
i = hex_escape( &s[sofar], len, u->lud_host, URLESC_SLASH );
sofar += i;
len -= i;
if ( is_v6 ) {
s[sofar++] = ']';
len--;
}
}
}
@ -765,7 +793,7 @@ ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp, unsigned flags
LDAPURLDesc *ludp;
char *p, *q, *r;
int i, enclosed;
int i, enclosed, proto, is_v6 = 0;
const char *scheme = NULL;
const char *url_tmp;
char *url;
@ -795,6 +823,11 @@ ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp, unsigned flags
assert( scheme != NULL );
proto = ldap_pvt_url_scheme2proto( scheme );
if ( proto == -1 ) {
return LDAP_URL_ERR_BADSCHEME;
}
/* make working copy of the remainder of the URL */
url = LDAP_STRDUP( url_tmp );
if ( url == NULL ) {
@ -839,62 +872,79 @@ ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp, unsigned flags
/* scan forward for '/' that marks end of hostport and begin. of dn */
p = strchr( url, '/' );
q = NULL;
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 == q || next[0] != '\0' ) {
LDAP_FREE( url );
ldap_free_urldesc( ludp );
return LDAP_URL_ERR_BADURL;
/* check for Novell kludge, see below */
p = strchr( url, '?' );
if ( p ) {
*p++ = '\0';
q = p;
p = NULL;
}
}
if ( ( flags & LDAP_PVT_URL_PARSE_DEF_PORT ) && ludp->lud_port == 0 ) {
if ( strcmp( ludp->lud_scheme, "ldap" ) == 0 ) {
ludp->lud_port = LDAP_PORT;
#ifdef LDAP_CONNECTIONLESS
} else if ( strcmp( ludp->lud_scheme, "cldap" ) == 0 ) {
ludp->lud_port = LDAP_PORT;
#endif
} else if ( strcmp( ludp->lud_scheme, "ldaps" ) == 0 ) {
ludp->lud_port = LDAPS_PORT;
if ( proto != LDAP_PROTO_IPC ) {
/* 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, ':' );
if ( q && q != r ) {
LDAP_FREE( url );
ldap_free_urldesc( ludp );
return LDAP_URL_ERR_BADURL;
}
is_v6 = 1;
} 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 == q || next[0] != '\0' ) {
LDAP_FREE( url );
ldap_free_urldesc( ludp );
return LDAP_URL_ERR_BADURL;
}
/* check for Novell kludge */
if ( !p ) {
q = next+1;
}
}
if ( ( flags & LDAP_PVT_URL_PARSE_DEF_PORT ) && ludp->lud_port == 0 ) {
if ( strcmp( ludp->lud_scheme, "ldaps" ) == 0 ) {
ludp->lud_port = LDAPS_PORT;
} else {
ludp->lud_port = LDAP_PORT;
}
}
}
ldap_pvt_hex_unescape( url );
/* If [ip address]:port syntax, url is [ip and we skip the [ */
ludp->lud_host = LDAP_STRDUP( url + ( *url == '[' ) );
ludp->lud_host = LDAP_STRDUP( url + is_v6 );
if( ludp->lud_host == NULL ) {
LDAP_FREE( url );
@ -919,28 +969,25 @@ ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp, unsigned flags
* 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++;
if( (p == NULL) && (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 );
q++;
if( *q != '\0' ) {
/* parse dn part */
ldap_pvt_hex_unescape( q );
ludp->lud_dn = LDAP_STRDUP( q );
} else if ( !( flags & LDAP_PVT_URL_PARSE_NOEMPTY_DN ) ) {
ludp->lud_dn = LDAP_STRDUP( "" );
} else if ( !( flags & LDAP_PVT_URL_PARSE_NOEMPTY_DN ) ) {
ludp->lud_dn = LDAP_STRDUP( "" );
} else {
check_dn = 0;
}
} else {
check_dn = 0;
}
if ( check_dn && ludp->lud_dn == NULL ) {
LDAP_FREE( url );
ldap_free_urldesc( ludp );
return LDAP_URL_ERR_MEM;
}
if ( check_dn && ludp->lud_dn == NULL ) {
LDAP_FREE( url );
ldap_free_urldesc( ludp );
return LDAP_URL_ERR_MEM;
}
}

View file

@ -122,5 +122,7 @@ main(int argc, char *argv[])
}
}
fprintf( stdout, "URL: %s\n", ldap_url_desc2str( lud ));
return EXIT_SUCCESS;
}