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<a href="https://gitlab.com/juaristi">Ander Juaristi</a>
commented on a discussion
on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/917#note_149746057">lib/auth/psk.h</a>:
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<td class="diff-line-num new_line" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/* these structures should not use allocated data */</span></span>
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<td class="diff-line-num old_line" data-linenumber="60" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="c"><span class="k" style="font-weight: 600;">typedef</span> <span class="k" style="font-weight: 600;">struct</span> <span class="n" style="color: #333;">psk_auth_info_st</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="61" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="69" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">char</span> <span class="n" style="color: #333;">username</span><span class="p">[</span><span class="n" style="color: #333;">MAX_USERNAME_SIZE</span> <span class="o" style="font-weight: 600;">+</span> <span class="mi" style="color: #099;">1</span><span class="p">];</span></span>
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<td class="diff-line-num new new_line" data-linenumber="70" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC70" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">uint16_t</span> <span class="n" style="color: #333;">len</span><span class="p">;</span></span>
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<td class="diff-line-num new_line" data-linenumber="71" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="c"> <span class="n" style="color: #333;">dh_info_st</span> <span class="n" style="color: #333;">dh</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">char</span> <span class="n" style="color: #333;">hint</span><span class="p">[</span><span class="n" style="color: #333;">MAX_USERNAME_SIZE</span> <span class="o" style="font-weight: 600;">+</span> <span class="mi" style="color: #099;">1</span><span class="p">];</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="c"><span class="p">}</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">psk_auth_info_t</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="c"><span class="k" style="font-weight: 600;">typedef</span> <span class="k" style="font-weight: 600;">struct</span> <span class="n" style="color: #333;">psk_auth_info_st</span> <span class="n" style="color: #333;">psk_auth_info_st</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC77" class="line" lang="c"><span class="kr" style="font-weight: 600;">inline</span> <span class="k" style="font-weight: 600;">static</span></span>
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<pre style="margin: 0;">+<span id="LC78" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">_gnutls_copy_psk_auth_info</span><span class="p">(</span><span class="n" style="color: #333;">psk_auth_info_t</span> <span class="n" style="color: #333;">info</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;">psk</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC79" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC80" class="line" lang="c"> <span class="n" style="color: #333;">memcpy</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">username</span><span class="p">,</span> <span class="n" style="color: #333;">psk</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">data</span><span class="p">,</span> <span class="n" style="color: #333;">psk</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">size</span><span class="p">);</span></span>
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<p dir="auto">How about an assertion? <code>assert(sizeof(info->username) <= username->size)</code></p>
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