Files
mars-tinyldap/scan_ldapmodifyrequest.c
2002-04-03 19:34:37 +00:00

78 lines
2.5 KiB
C

#include <stdlib.h>
#include "asn1.h"
#include "ldap.h"
#if 0
ModifyRequest ::= [APPLICATION 6] SEQUENCE {
object LDAPDN,
modification SEQUENCE OF SEQUENCE {
operation ENUMERATED {
add (0),
delete (1),
replace (2) },
modification AttributeTypeAndValues } }
AttributeTypeAndValues ::= SEQUENCE {
type AttributeDescription,
vals SET OF AttributeValue }
#endif
int scan_ldapmodifyrequest(const char* src,const char* max,struct ModifyRequest* m) {
int res,tmp;
long oslen; /* outer sequence length */
struct Modification* last=0;
if (!(res=scan_ldapstring(src,max,&m->object))) goto error;
if (!(tmp=scan_asn1SEQUENCE(src+res,max,&oslen))) goto error;
res+=tmp;
if (src+res+oslen>max) goto error;
max=src+res+oslen;
if (src+res>=max) goto error; /* need at least one record */
do {
long islen, etmp;
if (last) {
struct Modification* cur;
if (!(cur=malloc(sizeof(struct Modification)))) goto error;
last->next=cur; last=cur;
} else
last=&m->m;
last->next=0;
if (!(tmp=scan_asn1SEQUENCE(src+res,max,&islen))) goto error;
res+=tmp;
if (!(tmp=scan_asn1ENUMERATED(src+res,max,&etmp))) goto error;
if (etmp>2) goto error; last->operation=etmp; res+=tmp;
{
long iislen; /* urgh, _three_ levels of indirection */
const char* imax;
if (!(tmp=scan_asn1SEQUENCE(src+res,max,&iislen))) goto error;
res+=tmp;
imax=src+res+iislen;
if (imax>max) goto error;
if (!(tmp=scan_ldapstring(src+res,imax,&last->AttributeDescription))) goto error;
res+=tmp;
{
long iiislen; /* waah, _four_ levels of indirection! It doesn't get more inefficient than this */
const char* iimax;
struct AttributeDescriptionList* ilast=0;
if (!(tmp=scan_asn1SET(src+res,max,&iiislen))) goto error;
res+=tmp;
iimax=src+res+iiislen;
if (src+res+iiislen!=imax) goto error;
while (src+res<iimax) {
if (ilast) {
struct AttributeDescriptionList* x;
if (!(x=malloc(sizeof(struct AttributeDescriptionList)))) goto error;
x->next=ilast; ilast=x;
} else
ilast=&last->vals;
if (!(tmp=scan_ldapstring(src+res,imax,&ilast->a))) goto error;
res+=tmp;
}
}
}
break;
} while (src+res<max);
return res;
error:
return 0;
}