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DecodePolicyOID - check out index

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This commit is contained in:
Sean Parkinson
2019-12-13 12:13:38 +10:00
parent 093a31ed49
commit 6a2975c742
1 changed files with 4 additions and 2 deletions
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6
wolfcrypt/src/asn.c
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@@ -7792,7 +7792,7 @@ int DecodePolicyOID(char *out, word32 outSz, const byte *in, word32 inSz)
outIdx += w; outIdx += w;
val = 0; val = 0;
do { while (inIdx < inSz && outIdx < outSz) {
/* extract the next OID digit from in to val */ /* extract the next OID digit from in to val */
/* first bit is used to set if value is coded on 1 or multiple bytes */ /* first bit is used to set if value is coded on 1 or multiple bytes */
if (in[inIdx] & 0x80) { if (in[inIdx] & 0x80) {
@@ -7809,7 +7809,9 @@ int DecodePolicyOID(char *out, word32 outSz, const byte *in, word32 inSz)
val = 0; val = 0;
} }
inIdx++; inIdx++;
} while (inIdx < inSz); }
if (outIdx == outSz)
outIdx--;
out[outIdx] = 0; out[outIdx] = 0;
w = (int)outIdx; w = (int)outIdx;