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Extern URI code to support literal IPv6 addresses

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Copyright 2000 Stig Venaas, UNINETT
All rights reserved.

Redistribution and use in source and binary forms are permitted
without restriction or fee of any kind as long as this notice is
preserved. The name of UNINETT may not be used to endorse or promote
products derived from this software without specific prior written
permission. This software is provided ``as is'' without express or
implied warranty.
This commit is contained in:
Kurt Zeilenga 2000-06-18 15:54:21 +00:00
parent 54f7e85770
commit 8da110a9e7
1 changed files with 57 additions and 9 deletions
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66
libraries/libldap/url.c
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@ -217,7 +217,7 @@ ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
*/
LDAPURLDesc *ludp;
char *p, *q;
char *p, *q, *r;
int i, enclosed;
const char *scheme = NULL;
const char *url_tmp;
@ -296,7 +296,19 @@ ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
*p++ = '\0';
}
q = strchr( url, ':' );
/* 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 ) {
*q++ = '\0';
@ -312,7 +324,9 @@ ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
}
ldap_pvt_hex_unescape( url );
ludp->lud_host = LDAP_STRDUP( 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 );
@ -677,9 +691,32 @@ ldap_url_parsehosts (LDAPURLDesc **ludlist, const char *hosts )
specs[i] = NULL;
p = strchr(ludp->lud_host, ':');
if (p != NULL) {
*p++ = 0;
ldap_pvt_hex_unescape(p);
ludp->lud_port = atoi(p);
/* more than one :, IPv6 address */
if ( strchr(p+1, ':') != NULL ) {
/* allow [address] and [address]:port */
if ( *ludp->lud_host == '[' ) {
p = LDAP_STRDUP(ludp->lud_host+1);
/* copied, make sure we free source later */
specs[i] = ludp->lud_host;
ludp->lud_host = p;
p = strchr( ludp->lud_host, ']' );
if ( p == NULL )
return LDAP_PARAM_ERROR;
*p++ = '\0';
if ( *p != ':' ) {
if ( *p != '\0' )
return LDAP_PARAM_ERROR;
p = NULL;
}
} else {
p = NULL;
}
}
if (p != NULL) {
*p++ = 0;
ldap_pvt_hex_unescape(p);
ludp->lud_port = atoi(p);
}
}
ldap_pvt_hex_unescape(ludp->lud_host);
ludp->lud_scheme = LDAP_STRDUP("ldap");
@ -688,6 +725,7 @@ ldap_url_parsehosts (LDAPURLDesc **ludlist, const char *hosts )
}
/* this should be an array of NULLs now */
/* except entries starting with [ */
ldap_charray_free(specs);
return LDAP_SUCCESS;
}
@ -706,6 +744,8 @@ ldap_url_list2hosts (LDAPURLDesc *ludlist)
size = 1; /* nul-term */
for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
size += strlen(ludp->lud_host) + 1; /* host and space */
if (strchr(ludp->lud_host, ':')) /* will add [ ] below */
size += 2;
if (ludp->lud_port != 0)
size += sprintf(buf, ":%d", ludp->lud_port);
}
@ -715,8 +755,12 @@ ldap_url_list2hosts (LDAPURLDesc *ludlist)
p = s;
for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
strcpy(p, ludp->lud_host);
p += strlen(ludp->lud_host);
if (strchr(ludp->lud_host, ':')) {
p += sprintf(p, "[%s]", ludp->lud_host);
} else {
strcpy(p, ludp->lud_host);
p += strlen(ludp->lud_host);
}
if (ludp->lud_port != 0)
p += sprintf(p, ":%d", ludp->lud_port);
*p++ = ' ';
@ -742,6 +786,8 @@ ldap_url_list2urls(
size = 1; /* nul-term */
for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
size += strlen(ludp->lud_scheme) + strlen(ludp->lud_host);
if (strchr(ludp->lud_host, ':')) /* will add [ ] below */
size += 2;
size += sizeof(":/// ");
if (ludp->lud_port != 0) {
@ -756,7 +802,9 @@ ldap_url_list2urls(
p = s;
for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
p += sprintf(p, "%s://%s", ludp->lud_scheme, ludp->lud_host);
p += sprintf(p,
strchr(ludp->lud_host, ':') ? "%s://[%s]" : "%s://%s",
ludp->lud_scheme, ludp->lud_host);
if (ludp->lud_port != 0)
p += sprintf(p, ":%d", ludp->lud_port);
*p++ = '/';