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<h3>
Gary E. Miller pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/8a4b4a66f282b797f11a3f7626d246ce016907cd">8a4b4a66</a></strong>
<div>
<span>by Gary E. Miller</span>
<i>at 2019-03-02T21:20:42Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">refclock_gpsd: Partially mitigate overrun of "buffer".
Not a fix. Just a longer buffer. Needs to be fixed.
</pre>
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<h4>1 changed file:</h4>
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<a href="#c4dd771e99cadaf98615afb221ab4e2322a1f57c">
ntpd/refclock_gpsd.c
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<h4>Changes:</h4>
<li id="c4dd771e99cadaf98615afb221ab4e2322a1f57c">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/8a4b4a66f282b797f11a3f7626d246ce016907cd#c4dd771e99cadaf98615afb221ab4e2322a1f57c"><strong>ntpd/refclock_gpsd.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -166,7 +166,10 @@ typedef unsigned long int json_uint;</td>
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<pre style="margin: 0;"> <span id="LC166" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define NAME "GPSD" </span><span class="cm" style="color: #998; font-style: italic;">/* shortname */</span></span>
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167
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<pre style="margin: 0;"> <span id="LC167" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define DESCRIPTION "GPSD JSON client clock" </span><span class="cm" style="color: #998; font-style: italic;">/* who we are */</span></span>
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168
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<pre style="margin: 0;"> <span id="LC168" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC169" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define MAX_PDU_LEN 1600</span></span>
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<pre style="margin: 0;">+<span id="LC169" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/* MAX_PDU_LEN needs to be bigger than GPS_JSON_RESPONSE_MAX from gpsd.</span></span>
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170
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<pre style="margin: 0;">+<span id="LC170" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * As of March 2019 that is 4096 */</span></span>
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<pre style="margin: 0;">+<span id="LC171" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define MAX_PDU_LEN 8192</span></span>
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<pre style="margin: 0;">+<span id="LC172" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC173" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define TICKOVER_LOW 10</span></span>
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<pre style="margin: 0;"> <span id="LC174" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define TICKOVER_HIGH 120</span></span>
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<pre style="margin: 0;"> <span id="LC175" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define LOGTHROTTLE SECSPERHR</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="658" 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">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="661" 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">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -658,6 +661,7 @@ gpsd_receive(</td>
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658
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<pre style="margin: 0;"> <span id="LC661" class="line" lang="c"> <span class="n" style="color: #333;">pdst</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">up</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">buffer</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">up</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">buflen</span><span class="p">;</span></span>
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659
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<pre style="margin: 0;"> <span id="LC662" class="line" lang="c"> <span class="n" style="color: #333;">edst</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pdst</span> <span class="o" style="font-weight: 600;">+</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">up</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">buffer</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-</span> <span class="mi" style="color: #099;">1</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic;">/* for trailing NUL */</span></span>
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<pre style="margin: 0;"> <span id="LC663" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC664" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* FIXME!! Check for overrun of "buffer" */</span></span>
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661
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<pre style="margin: 0;"> <span id="LC665" class="line" lang="c"> <span class="k" style="font-weight: 600;">while</span> <span class="p">(</span><span class="n" style="color: #333;">psrc</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">esrc</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC666" class="line" lang="c"> <span class="n" style="color: #333;">ch</span> <span class="o" style="font-weight: 600;">=</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">psrc</span><span class="o" style="font-weight: 600;">++</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC667" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">ch</span> <span class="o" style="font-weight: 600;">==</span> <span class="sc" style="color: #d14;">'\n'</span><span class="p">)</span> <span class="p">{</span></span>
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