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<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1223#note_310741486">lib/x509/dn.c</a>:
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<pre style="margin: 0;"> <span id="LC982" class="line" lang="c"><span class="nf" style="color: #900; font-weight: 600;">_gnutls_x509_compare_raw_dn</span><span class="p">(</span><span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">gnutls_datum_t</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">dn1</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC983" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">gnutls_datum_t</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">dn2</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC984" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC985" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">ret</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC986" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_datum_t</span> <span class="n" style="color: #333;">str1</span><span class="p">,</span> <span class="n" style="color: #333;">str2</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC987" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC986" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">dn1</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">dn2</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">size</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC988" class="line" lang="c"> <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gnutls_x509_rdn_get2</span><span class="p">(</span><span class="n" style="color: #333;">dn1</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">str1</span><span class="p">,</span> <span class="mi" style="color: #099;">0</span><span class="p">);</span></span>
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<p dir="auto">I wonder if there can be cases where <code>gnutls_x509_rdn_get2</code> can fail (e.g., on some incorrect DER format, or a DN format we may not support). I think we should have the raw matching in addition to this, so certificates that today passes this matching, continues to do so.</p>
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