diff options
Diffstat (limited to 'print-pgm.c')
| -rw-r--r-- | print-pgm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/print-pgm.c b/print-pgm.c index e2d721c1..94f3465b 100644 --- a/print-pgm.c +++ b/print-pgm.c @@ -433,12 +433,14 @@ pgm_print(netdissect_options *ndo, * That option header MUST be an OPT_LENGTH option * (see the first paragraph of section 9.1 in RFC 3208). */ - opt_type = *bp++; + opt_type = EXTRACT_8BITS(bp); + bp++; if ((opt_type & PGM_OPT_MASK) != PGM_OPT_LENGTH) { ND_PRINT((ndo, "[First option bad, should be PGM_OPT_LENGTH, is %u]", opt_type & PGM_OPT_MASK)); return; } - opt_len = *bp++; + opt_len = EXTRACT_8BITS(bp); + bp++; if (opt_len != 4) { ND_PRINT((ndo, "[Bad OPT_LENGTH option, length %u != 4]", opt_len)); return; @@ -461,8 +463,10 @@ pgm_print(netdissect_options *ndo, ND_PRINT((ndo, " [|OPT]")); return; } - opt_type = *bp++; - opt_len = *bp++; + opt_type = EXTRACT_8BITS(bp); + bp++; + opt_len = EXTRACT_8BITS(bp); + bp++; if (opt_len < PGM_MIN_OPT_LEN) { ND_PRINT((ndo, "[Bad option, length %u < %u]", opt_len, PGM_MIN_OPT_LEN)); |