[Secure-testing-commits] r14648 - in lib/python: sectracker sectracker_test

[Florian Weimer]

Author: fw
Date: 2010-05-08 18:23:58 +0000 (Sat, 08 May 2010)
New Revision: 14648

Modified:
   lib/python/sectracker/parsers.py
   lib/python/sectracker_test/test_parsers.py
Log:
sectracker.parsers.dsalist(): DSA file parser


Modified: lib/python/sectracker/parsers.py
===================================================================
--- lib/python/sectracker/parsers.py	2010-05-08 18:22:31 UTC (rev 14647)
+++ lib/python/sectracker/parsers.py	2010-05-08 18:23:58 UTC (rev 14648)
@@ -185,65 +185,92 @@
 Bug = _namedtuple("Bug", "file header annotations")
 Header = _namedtuple("Header", "line name description")
 
-def _cveuniquename(line, anns):
-    bug = 0
-    for ann in anns:
-        if ann.type == "package" and ann.debian_bugs:
-            bug = ann.debian_bugs[0]
-            break
-    return "TEMP-%07d-%06d" % (bug, line)
-
-_re_cve_header = re.compile(r'^(CVE-\d{4}-(?:\d{4}|XXXX))\s+(.*?)\s*$')
- at _xpickle.loader("CVE" + FORMAT)
-def cvelist(path, f):
+def _parselist(path, f, parseheader, finish):
     lineno = 0
     headerlineno = None
     bugs = []
     diag = sectracker.diagnostics.Diagnostics()
-    name = desc = None
+    header = None
     anns = []
 
-    def emit():
-        if name is None:
-            return
-
-        if name[-1] == "X":
-            name1 = _cveuniquename(headerlineno, anns)
-        else:
-            name1 = name
-        bugs.append(Bug(path, Header(headerlineno, name1, desc), tuple(anns)))
-        del anns[:]
-
     for line in f.readlines():
         lineno += 1
         diag.setlocation(path, lineno)
 
         if line[:1] in " \t":
-            if name is None:
+            if header is None:
                 diag.error("header expected")
                 continue
             _annotationdispatcher(line, diag, anns)
         else:
-            emit()
+            if header is not None:
+                bugs.append(finish(header, headerlineno, anns, diag))
+                del anns[:]
             headerlineno = lineno
         
-            match = _re_cve_header.match(line)
-            if match is None:
+            header = parseheader(line)
+            if header is None:
                 diag.error("malformed header")
-                name = desc = None
                 continue
-            name, desc = match.groups()
-            if desc:
-                if desc[0] == '(':
-                    if desc[-1] <> ')':
-                        diag.error("error", "missing ')'")
-                    else:
-                        desc = desc[1:-1]
-                elif desc[0] == '[':
-                    if desc[-1] <> ']':
-                        diag.error("missing ']'")
-                    else:
-                        desc = desc[1:-1]
 
-    emit()
+    if header is not None:
+        finish(header, headerlineno, anns, diag)
     return List(tuple(bugs), diag.messages())
+
+ at _xpickle.loader("CVE" + FORMAT)
+def cvelist(path, f):
+    re_header = re.compile(r'^(CVE-\d{4}-(?:\d{4}|XXXX))\s+(.*?)\s*$')
+    def parseheader(line):
+        match = re_header.match(line)
+        if match is None:
+            return None
+        name, desc = match.groups()
+        if desc:
+            if desc[0] == '(':
+                if desc[-1] <> ')':
+                    diag.error("error", "missing ')'")
+                else:
+                    desc = desc[1:-1]
+            elif desc[0] == '[':
+                if desc[-1] <> ']':
+                    diag.error("missing ']'")
+                else:
+                    desc = desc[1:-1]
+        return (name, desc)
+    def cveuniquename(line, anns):
+        bug = 0
+        for ann in anns:
+            if ann.type == "package" and ann.debian_bugs:
+                bug = ann.debian_bugs[0]
+                break
+        return "TEMP-%07d-%06d" % (bug, line)
+    def finish(header, headerlineno, anns, diag):
+        name, desc = header
+        if name[-1] == "X":
+            name1 = cveuniquename(headerlineno, anns)
+        else:
+            name1 = name
+        return Bug(path, Header(headerlineno, name1, desc), tuple(anns))
+    return _parselist(path, f, parseheader, finish)
+
+def _checkrelease(anns, diag, kind):
+    for ann in anns:
+        if ann.type == "package" and ann.release is None:
+            diag.error("release annotation required in %s file" % kind,
+                       line=ann.line)
+
+ at _xpickle.loader("DSA" + FORMAT)
+def dsalist(path, f):
+    re_header = re.compile(r'^\[(\d\d) ([A-Z][a-z][a-z]) (\d{4})\] '
+                            + r'(DSA-\d+(?:-\d+)?)\s+'
+                            + r'(.*?)\s*$')
+    def parseheader(line):
+        match = re_header.match(line)
+        if match is None:
+            return None
+        return match.groups()
+    def finish(header, headerlineno, anns, diag):
+        d, m, y, name, desc = header
+        _checkrelease(anns, diag, "DSA")
+        return Bug(path, Header(headerlineno, name, None), tuple(anns))
+    return _parselist(path, f, parseheader, finish)

Modified: lib/python/sectracker_test/test_parsers.py
===================================================================
--- lib/python/sectracker_test/test_parsers.py	2010-05-08 18:22:31 UTC (rev 14647)
+++ lib/python/sectracker_test/test_parsers.py	2010-05-08 18:23:58 UTC (rev 14648)
@@ -30,6 +30,11 @@
 for err in o.messages:
     print "%s:%d: %s: %s" % (err.file, err.line, err.level, err.message)
 
+safeunlink("../../data/DSA/list" + EXTENSION)
+o = dsalist("../../data/DSA/list")
+for err in o.messages:
+    print "%s:%d: %s: %s" % (err.file, err.line, err.level, err.message)
+
 Message = sectracker.diagnostics.Message
 for (line, res, xmsgs) in [
         (' - foo <unfixed>',