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check for escaped char before checking for escape char 

so if peer escapes 0x5d we interpret it correctly
This commit is contained in:
paulus 1994-05-29 23:44:23 +00:00
parent 766c830cb5
commit 5d72d095e8
1 changed files with 4 additions and 5 deletions
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9
sys/net/if_ppp.c
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@ -69,7 +69,7 @@
* Paul Mackerras (paulus@cs.anu.edu.au).
*/
/* $Id: if_ppp.c,v 1.10 1994/05/24 02:33:56 cgd Exp $ */
/* $Id: if_ppp.c,v 1.11 1994/05/29 23:44:23 paulus Exp $ */
/* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */
#include "ppp.h"
@ -1367,16 +1367,15 @@ pppinput(c, tp)
return;
}
if (c == PPP_ESCAPE) {
sc->sc_flags |= SC_ESCAPED;
return;
}
if (c < 0x20 && (sc->sc_rasyncmap & (1 << c)))
return;
if (sc->sc_flags & SC_ESCAPED) {
sc->sc_flags &= ~SC_ESCAPED;
c ^= PPP_TRANS;
} else if (c == PPP_ESCAPE) {
sc->sc_flags |= SC_ESCAPED;
return;
}
/*