35 lines
647 B
C
35 lines
647 B
C
#include <u.h>
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#include <libc.h>
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#include <authsrv.h>
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extern int form1B2M(char *ap, int n, uchar key[32]);
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int
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convPR2M(Passwordreq *f, char *ap, int n, Ticket *t)
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{
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uchar *p;
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if(n < 1+2*PASSWDLEN+1+SECRETLEN)
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return 0;
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p = (uchar*)ap;
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*p++ = f->num;
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memmove(p, f->old, PASSWDLEN), p += PASSWDLEN;
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memmove(p, f->new, PASSWDLEN), p += PASSWDLEN;
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*p++ = f->changesecret;
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memmove(p, f->secret, SECRETLEN), p += SECRETLEN;
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switch(t->form){
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case 0:
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n = p - (uchar*)ap;
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encrypt(t->key, ap, n);
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return n;
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case 1:
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if(n < 12+2*PASSWDLEN+1+SECRETLEN+16)
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return 0;
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return form1B2M(ap, p - (uchar*)ap, t->key);
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}
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return 0;
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}
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