1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#include <u.h>
#include <libc.h>
#include <authsrv.h>
#define CHAR(x) f->x = *p++
#define SHORT(x) f->x = (p[0] | (p[1]<<8)); p += 2
#define VLONG(q) q = (p[0] | (p[1]<<8) | (p[2]<<16) | (p[3]<<24)); p += 4
#define LONG(x) VLONG(f->x)
#define STRING(x,n) memmove(f->x, p, n); p += n
int
convM2PR(char *ap, int n, Passwordreq *f, Ticket *t)
{
uchar *p, buf[PASSREQLEN];
memset(f, 0, sizeof(Passwordreq));
if(n < PASSREQLEN)
return -PASSREQLEN;
if(t){
memmove(buf, ap, PASSREQLEN);
ap = (char*)buf;
decrypt(t->key, ap, PASSREQLEN);
}
p = (uchar*)ap;
CHAR(num);
STRING(old, ANAMELEN);
f->old[ANAMELEN-1] = 0;
STRING(new, ANAMELEN);
f->new[ANAMELEN-1] = 0;
CHAR(changesecret);
STRING(secret, SECRETLEN);
f->secret[SECRETLEN-1] = 0;
n = p - (uchar*)ap;
return n;
}
|
