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external database representation

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This commit is contained in:
leitner
2002-03-24 03:08:04 +00:00
parent 8f9cd366f0
commit 13258a3f89
18 changed files with 1008 additions and 69 deletions
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88
ldif_parse.c
View File

@@ -3,26 +3,47 @@
#include <open.h>
#include <unistd.h>
#include <stdlib.h>
#include "strduptab.h"
#include "strstorage.h"
#include "mduptab.h"
#include "mstorage.h"
#include "str.h"
#include "ldif.h"
static struct stringduptable tags;
static struct stringduptable classes;
mduptab_t attributes,classes;
mstorage_t stringtable;
const char* dn,* mail,* sn,* cn,* objectClass;
long dn, mail, sn, cn, objectClass;
unsigned long ldifrecords;
static void addattribute(struct ldaprec** l,long name,long val) {
if (name==dn) (*l)->dn=val; else
if (name==mail) (*l)->mail=val; else
if (name==sn) (*l)->sn=val; else
if (name==cn) (*l)->cn=val; else {
if ((*l)->n<ATTRIBS) {
(*l)->a[(*l)->n].name=name;
(*l)->a[(*l)->n].value=val;
++(*l)->n;
} else {
buffer_putsflush(buffer_2,"LDIF parse error: too many attributes!\n");
exit(1);
}
}
}
static int parserec(buffer* b, struct ldaprec** l) {
char buf[8192];
int n,i,eof=0,ofs=0;
if (!(*l=malloc(sizeof(struct ldaprec)))) return 2;
(*l)->dn=(*l)->mail=(*l)->sn=(*l)->cn=-1;
(*l)->next=0; (*l)->n=0;
ldifrecords=0;
do {
const char* tmp,* val;
long tmp, val;
n=ofs+buffer_get_token(b,buf+ofs,8192-ofs,":",1);
i=scan_whitenskip(buf,n);
buf[n]=0;
if (!(tmp=strduptab_add(&tags,buf+i))) {
if ((tmp=mduptab_add(&attributes,buf+i))<0) {
nomem:
buffer_putsflush(buffer_2,"out of memory!\n");
return 1;
@@ -30,6 +51,7 @@ nomem:
n=buffer_get_token(b,buf,8192,"\n",1);
if (n==0) break;
i=scan_whitenskip(buf,n);
buf[n]=0;
lookagain:
{
char c;
@@ -42,43 +64,37 @@ lookagain:
n+=buffer_get_token(b,buf+n,8192-n,"\n",1);
goto lookagain;
} else if (c=='\n') {
#if 1
struct ldaprec* m=malloc(sizeof(struct ldaprec));
if (!m) return 2;
if (tmp==objectClass) {
if ((val=mduptab_add(&classes,buf+i))<0) goto nomem;
} else
if ((val=mstorage_add(&stringtable,buf+i,n-i+1))<0) goto nomem;
addattribute(l,tmp,val);
(*l)->next=m;
m->n=0; m->dn=m->mail=m->sn=m->cn=0; m->next=0;
m->n=0; m->dn=m->mail=m->sn=m->cn=-1; m->next=0;
ofs=0;
// dumprec(*l);
l=&((*l)->next);
#else
struct ldaprec* m=malloc(sizeof(struct ldaprec));
if (!m) return 2;
m->next=*l;
*l=m;
m->n=0; m->dn=m->mail=m->sn=m->cn=0;
ofs=0;
#endif
++ldifrecords;
continue;
} else {
ofs=1;
buf[0]=c;
}
}
buf[n]=0;
// buf[n]=0;
#if 1
if (tmp==objectClass) {
if (!(val=strduptab_add(&classes,buf+i))) goto nomem;
if ((val=mduptab_add(&classes,buf+i))<0) goto nomem;
} else
if (!(val=strstorage_add(buf+i,n-i+1))) goto nomem;
if (tmp==dn) (*l)->dn=val; else
if (tmp==mail) (*l)->mail=val; else
if (tmp==sn) (*l)->sn=val; else
if (tmp==cn) (*l)->cn=val; else {
if ((*l)->n<ATTRIBS) {
(*l)->a[(*l)->n].name=tmp;
(*l)->a[(*l)->n].value=val;
++(*l)->n;
}
}
if ((val=mstorage_add(&stringtable,buf+i,n-i+1))<0) goto nomem;
addattribute(l,tmp,val);
#endif
} while (!eof);
if (!(*l)->dn) {
if ((*l)->dn<0) {
struct ldaprec* m=(*l)->next;
free((*l));
(*l)=m;
@@ -93,11 +109,11 @@ int ldif_parse(const char* filename) {
int fd=open_read(filename);
buffer in=BUFFER_INIT(read,fd,buf,sizeof buf);
if (fd<0) return 1;
dn=strduptab_add(&tags,"dn");
mail=strduptab_add(&tags,"mail");
sn=strduptab_add(&tags,"sn");
cn=strduptab_add(&tags,"cn");
objectClass=strduptab_add(&tags,"objectClass");
dn=mduptab_add(&attributes,"dn");
mail=mduptab_add(&attributes,"mail");
sn=mduptab_add(&attributes,"sn");
cn=mduptab_add(&attributes,"cn");
objectClass=mduptab_add(&attributes,"objectClass");
{
int res=parserec(&in,&first);
close(fd);