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Fix memory leak in s2i_ASN_INTEGER and return an error

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if any invalid characters are present.
This commit is contained in:
Dr. Stephen Henson 2002-11-13 00:40:51 +00:00
parent 137e7e3aa1
commit 2232e262bf
1 changed files with 3 additions and 2 deletions
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5
crypto/x509v3/v3_utl.c
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@ -156,11 +156,11 @@ ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value)
ASN1_INTEGER *aint; ASN1_INTEGER *aint;
int isneg, ishex; int isneg, ishex;
int ret; int ret;
bn = BN_new();
if (!value) { if (!value) {
X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_INVALID_NULL_VALUE); X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_INVALID_NULL_VALUE);
return 0; return 0;
} }
bn = BN_new();
if (value[0] == '-') { if (value[0] == '-') {
value++; value++;
isneg = 1; isneg = 1;
@ -174,7 +174,8 @@ ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value)
if (ishex) ret = BN_hex2bn(&bn, value); if (ishex) ret = BN_hex2bn(&bn, value);
else ret = BN_dec2bn(&bn, value); else ret = BN_dec2bn(&bn, value);
if (!ret) { if (!ret || value[ret]) {
BN_free(bn);
X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_BN_DEC2BN_ERROR); X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_BN_DEC2BN_ERROR);
return 0; return 0;
} }