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opendmarc-ar: Accept AR header with a no-result as valid syntax. #267

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opendmarc-ar: Accept AR header with a no-result as valid syntax. #267

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18 changes: 16 additions & 2 deletions opendmarc/opendmarc-ar.c
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Original file line number Diff line number Diff line change
Expand Up @@ -422,7 +422,7 @@ ares_parse(u_char *hdr, struct authres *ar)
if (tokens[c][0] == ';')
{
prevstate = state;
state = 3;
state = 14;
}
else if (isascii(tokens[c][0]) &&
isdigit(tokens[c][0]))
Expand All @@ -447,10 +447,20 @@ ares_parse(u_char *hdr, struct authres *ar)
return -1;

prevstate = state;
state = 3;
state = 14;

break;

case 14: /* method or "none" */
if (strcasecmp((char *) tokens[c], "none") == 0)
{
prevstate = state;
state = 15;
continue;
}

/* FALLTHROUGH */

case 3: /* method */
n++;
r = 0;
Expand Down Expand Up @@ -619,6 +629,10 @@ ares_parse(u_char *hdr, struct authres *ar)
}

break;

case 15: /* terminal state after no-result */
/* any token should not appear */
return -1;
}
}

Expand Down