This class defines methods to parse and extract information from the given Microsoft SQL Server banner based upon the data in XML file
| 18 | from lib.parse.handler import FingerprintHandler |
| 19 | |
| 20 | class MSSQLBannerHandler(ContentHandler): |
| 21 | """ |
| 22 | This class defines methods to parse and extract information from the |
| 23 | given Microsoft SQL Server banner based upon the data in XML file |
| 24 | """ |
| 25 | |
| 26 | def __init__(self, banner, info): |
| 27 | ContentHandler.__init__(self) |
| 28 | |
| 29 | self._banner = sanitizeStr(banner or "") |
| 30 | self._inVersion = False |
| 31 | self._inServicePack = False |
| 32 | self._release = None |
| 33 | self._version = "" |
| 34 | self._versionAlt = None |
| 35 | self._servicePack = "" |
| 36 | self._info = info |
| 37 | |
| 38 | def _feedInfo(self, key, value): |
| 39 | value = sanitizeStr(value) |
| 40 | |
| 41 | if value in (None, "None"): |
| 42 | return |
| 43 | |
| 44 | self._info[key] = value |
| 45 | |
| 46 | def startElement(self, name, attrs): |
| 47 | if name == "signatures": |
| 48 | self._release = sanitizeStr(attrs.get("release")) |
| 49 | |
| 50 | elif name == "version": |
| 51 | self._inVersion = True |
| 52 | |
| 53 | elif name == "servicepack": |
| 54 | self._inServicePack = True |
| 55 | |
| 56 | def characters(self, content): |
| 57 | if self._inVersion: |
| 58 | self._version += sanitizeStr(content) |
| 59 | elif self._inServicePack: |
| 60 | self._servicePack += sanitizeStr(content) |
| 61 | |
| 62 | def endElement(self, name): |
| 63 | if name == "signature": |
| 64 | for version in (self._version, self._versionAlt): |
| 65 | if version and self._banner and re.search(r" %s[\.\ ]+" % re.escape(version), self._banner): |
| 66 | self._feedInfo("dbmsRelease", self._release) |
| 67 | self._feedInfo("dbmsVersion", self._version) |
| 68 | self._feedInfo("dbmsServicePack", self._servicePack) |
| 69 | break |
| 70 | |
| 71 | self._version = "" |
| 72 | self._versionAlt = None |
| 73 | self._servicePack = "" |
| 74 | |
| 75 | elif name == "version": |
| 76 | self._inVersion = False |
| 77 | self._version = self._version.replace(" ", "") |
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