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openssl: get_cert_chain: avoid NULL dereference

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CID 1361811: Explicit null dereferenced (FORWARD_NULL)
This commit is contained in:
Daniel Stenberg 2016-05-17 09:14:06 +02:00
parent b499073406
commit 8132fe11b3
1 changed files with 5 additions and 3 deletions
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8
lib/vtls/openssl.c
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@ -2385,10 +2385,12 @@ static CURLcode get_cert_chain(struct connectdata *conn,
X509_get0_signature(&psig, &palg, x);
X509_signature_print(mem, palg, a);
ASN1_STRING_free(a);
}
i2a_ASN1_OBJECT(mem, palg->algorithm);
push_certinfo("Public Key Algorithm", i);
if(palg) {
i2a_ASN1_OBJECT(mem, palg->algorithm);
push_certinfo("Public Key Algorithm", i);
}
}
X509V3_ext(data, i, X509_get0_extensions(x));
}
#else