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DSD demod: fixed possible buffer overrun with sprintf

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This commit is contained in:
f4exb 2017-05-06 12:24:57 +02:00
parent 15443fb72d
commit 62cbcc3083
1 changed files with 2 additions and 2 deletions
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4
plugins/channelrx/demoddsd/dsddemodgui.cpp
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@ -510,7 +510,7 @@ void DSDDemodGUI::formatStatusText()
} }
memcpy(&m_formatStatusText[41], m_dsdDemod->getDecoder().getDStarDecoder().getInfoText(), 20); memcpy(&m_formatStatusText[41], m_dsdDemod->getDecoder().getDStarDecoder().getInfoText(), 20);
memcpy(&m_formatStatusText[62], m_dsdDemod->getDecoder().getDStarDecoder().getLocator(), 6); memcpy(&m_formatStatusText[62], m_dsdDemod->getDecoder().getDStarDecoder().getLocator(), 6);
sprintf(&m_formatStatusText[69], "%03d/%07.1f", snprintf(&m_formatStatusText[69], 82-69, "%03d/%07.1f",
m_dsdDemod->getDecoder().getDStarDecoder().getBearing(), m_dsdDemod->getDecoder().getDStarDecoder().getBearing(),
m_dsdDemod->getDecoder().getDStarDecoder().getDistance()); m_dsdDemod->getDecoder().getDStarDecoder().getDistance());
} }
@ -519,7 +519,7 @@ void DSDDemodGUI::formatStatusText()
m_signalFormat = signalFormatDStar; m_signalFormat = signalFormatDStar;
break; break;
case DSDcc::DSDDecoder::DSDSyncDPMR: case DSDcc::DSDDecoder::DSDSyncDPMR:
sprintf(m_formatStatusText, "%s CC: %04d OI: %08d CI: %08d", snprintf(m_formatStatusText, 82, "%s CC: %04d OI: %08d CI: %08d",
DSDcc::DSDdPMR::dpmrFrameTypes[(int) m_dsdDemod->getDecoder().getDPMRDecoder().getFrameType()], DSDcc::DSDdPMR::dpmrFrameTypes[(int) m_dsdDemod->getDecoder().getDPMRDecoder().getFrameType()],
m_dsdDemod->getDecoder().getDPMRDecoder().getColorCode(), m_dsdDemod->getDecoder().getDPMRDecoder().getColorCode(),
m_dsdDemod->getDecoder().getDPMRDecoder().getOwnId(), m_dsdDemod->getDecoder().getDPMRDecoder().getOwnId(),