def get_version(lines, filename):
"""returns version information for libnss as found in a given file.
The version info is returned as a tuple:
[modulename, is_or_contains, version]
VPkg: sqlite, sqlite
"""
mapdb = VersionSignatureDb('sqlite', get_version_map, 30)
with mapdb:
mapping = mapdb.get_mapping_data()
version_info = dict()
if "sqlite" in filename or "sqlite3" in filename:
version_info["is_or_contains"] = "is"
version_info["version"] = guess_version(lines, mapping)
else:
version = guess_contains(lines, mapping)
if version:
version_info["is_or_contains"] = "contains"
version_info["version"] = version
if "is_or_contains" in version_info:
version_info["modulename"] = "sqlite"
return version_info
class SqliteChecker(Checker):
CONTAINS_PATTERNS = [
r"unable to open a temporary database file for storing temporary tables",
r"json_object() requires an even number of arguments",
r"ESCAPE expression must be a single character",
r"SQLite version %s",
]
VENDOR_PACKAGE = [("sqlite", "sqlite")]
VERSION_PATTERNS = [r"Id: SQLite version (\d+\.\d+\.\d+)", r"sqlite(\d+)\.debug"]
FILENAME_PATTERNS = [r"sqlite", r"sqlite3"]
MODULE_NAME = "sqlite"
mapdb = VersionSignatureDb("sqlite", get_version_map, 30)
with mapdb:
VERSION_MAP = mapdb.get_mapping_data()
def guess_contains(self, lines):
"""Tries to determine if a file includes sqlite
"""
# since the version strings are super unique here, we can guess the version
# at the same time
for line in lines:
for mapping in self.VERSION_MAP:
if mapping[1] in line:
return True
# If that fails, find a signature that might indicate presence of sqlite
return super().guess_contains(lines)
def get_version(self, lines, filename):
"""returns version information for sqlite as found in a given file.
The most correct way to do this is to search for the sha1 sums per release.
Fedora rpms have a simpler SQLite version string.
If neither of those work, try to at least guess the major version
"""
version_info = super().get_version(lines, filename)
for line in lines:
for mapping in self.VERSION_MAP:
if mapping[1] in line:
# overwrite version with the version found by sha mapping
version_info["version"] = mapping[0]
return version_info