summaryrefslogtreecommitdiffstats
path: root/meta/lib/oe/sstatesig.py
blob: c6c85b9acc22359fc5ed8ee39dc77f3aa018c724 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
import bb.siggen

def sstate_rundepfilter(siggen, fn, recipename, task, dep, depname, dataCache):
    # Return True if we should keep the dependency, False to drop it
    def isNative(x):
        return x.endswith("-native")
    def isCross(x):
        return "-cross-" in x
    def isNativeSDK(x):
        return x.startswith("nativesdk-")
    def isKernel(fn):
        inherits = " ".join(dataCache.inherits[fn])
        return inherits.find("/module-base.bbclass") != -1 or inherits.find("/linux-kernel-base.bbclass") != -1
    def isPackageGroup(fn):
        inherits = " ".join(dataCache.inherits[fn])
        return "/packagegroup.bbclass" in inherits
    def isAllArch(fn):
        inherits = " ".join(dataCache.inherits[fn])
        return "/allarch.bbclass" in inherits
    def isImage(fn):
        return "/image.bbclass" in " ".join(dataCache.inherits[fn])

    # Always include our own inter-task dependencies
    if recipename == depname:
        return True

    # Quilt (patch application) changing isn't likely to affect anything
    excludelist = ['quilt-native', 'subversion-native', 'git-native']
    if depname in excludelist and recipename != depname:
        return False

    # Exclude well defined recipe->dependency
    if "%s->%s" % (recipename, depname) in siggen.saferecipedeps:
        return False

    # Don't change native/cross/nativesdk recipe dependencies any further
    if isNative(recipename) or isCross(recipename) or isNativeSDK(recipename):
        return True

    # Only target packages beyond here

    # allarch packagegroups are assumed to have well behaved names which don't change between architecures/tunes
    if isPackageGroup(fn) and isAllArch(fn):
        return False  

    # Exclude well defined machine specific configurations which don't change ABI
    if depname in siggen.abisaferecipes and not isImage(fn):
        return False

    # Kernel modules are well namespaced. We don't want to depend on the kernel's checksum
    # if we're just doing an RRECOMMENDS_xxx = "kernel-module-*", not least because the checksum
    # is machine specific.
    # Therefore if we're not a kernel or a module recipe (inheriting the kernel classes)
    # and we reccomend a kernel-module, we exclude the dependency.
    depfn = dep.rsplit(".", 1)[0]
    if dataCache and isKernel(depfn) and not isKernel(fn):
        for pkg in dataCache.runrecs[fn]:
            if " ".join(dataCache.runrecs[fn][pkg]).find("kernel-module-") != -1:
                return False

    # Default to keep dependencies
    return True

def sstate_lockedsigs(d):
    sigs = {}
    types = (d.getVar("SIGGEN_LOCKEDSIGS_TYPES", True) or "").split()
    for t in types:
        lockedsigs = (d.getVar("SIGGEN_LOCKEDSIGS_%s" % t, True) or "").split()
        for ls in lockedsigs:
            pn, task, h = ls.split(":", 2)
            if pn not in sigs:
                sigs[pn] = {}
            sigs[pn][task] = h
    return sigs

class SignatureGeneratorOEBasic(bb.siggen.SignatureGeneratorBasic):
    name = "OEBasic"
    def init_rundepcheck(self, data):
        self.abisaferecipes = (data.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE", True) or "").split()
        self.saferecipedeps = (data.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS", True) or "").split()
        pass
    def rundep_check(self, fn, recipename, task, dep, depname, dataCache = None):
        return sstate_rundepfilter(self, fn, recipename, task, dep, depname, dataCache)

class SignatureGeneratorOEBasicHash(bb.siggen.SignatureGeneratorBasicHash):
    name = "OEBasicHash"
    def init_rundepcheck(self, data):
        self.abisaferecipes = (data.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE", True) or "").split()
        self.saferecipedeps = (data.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS", True) or "").split()
        self.lockedsigs = sstate_lockedsigs(data)
        self.lockedhashes = {}
        self.lockedpnmap = {}
        self.lockedhashfn = {}
        self.machine = data.getVar("MACHINE", True)
        self.mismatch_msgs = []
        pass
    def rundep_check(self, fn, recipename, task, dep, depname, dataCache = None):
        return sstate_rundepfilter(self, fn, recipename, task, dep, depname, dataCache)

    def get_taskdata(self):
        data = super(bb.siggen.SignatureGeneratorBasicHash, self).get_taskdata()
        return (data, self.lockedpnmap, self.lockedhashfn)

    def set_taskdata(self, data):
        coredata, self.lockedpnmap, self.lockedhashfn = data
        super(bb.siggen.SignatureGeneratorBasicHash, self).set_taskdata(coredata)

    def dump_sigs(self, dataCache, options):
        self.dump_lockedsigs()
        return super(bb.siggen.SignatureGeneratorBasicHash, self).dump_sigs(dataCache, options)

    def get_taskhash(self, fn, task, deps, dataCache):
        h = super(bb.siggen.SignatureGeneratorBasicHash, self).get_taskhash(fn, task, deps, dataCache)

        recipename = dataCache.pkg_fn[fn]
        self.lockedpnmap[fn] = recipename
        self.lockedhashfn[fn] = dataCache.hashfn[fn]
        if recipename in self.lockedsigs:
            if task in self.lockedsigs[recipename]:
                k = fn + "." + task
                h_locked = self.lockedsigs[recipename][task]
                self.lockedhashes[k] = h_locked
                self.taskhash[k] = h_locked
                #bb.warn("Using %s %s %s" % (recipename, task, h))

                if h != h_locked:
                    self.mismatch_msgs.append('The %s:%s sig (%s) changed, use locked sig %s to instead'
                                          % (recipename, task, h, h_locked))

                return h_locked
        #bb.warn("%s %s %s" % (recipename, task, h))
        return h

    def dump_sigtask(self, fn, task, stampbase, runtime):
        k = fn + "." + task
        if k in self.lockedhashes:
            return
        super(bb.siggen.SignatureGeneratorBasicHash, self).dump_sigtask(fn, task, stampbase, runtime)

    def dump_lockedsigs(self, sigfile=None):
        if not sigfile:
            sigfile = os.getcwd() + "/locked-sigs.inc"

        bb.plain("Writing locked sigs to %s" % sigfile)
        types = {}
        for k in self.runtaskdeps:
            fn = k.rsplit(".",1)[0]
            t = self.lockedhashfn[fn].split(" ")[1].split(":")[5]
            t = 't-' + t.replace('_', '-')
            if t not in types:
                types[t] = []
            types[t].append(k)

        with open(sigfile, "w") as f:
            for t in types:
                f.write('SIGGEN_LOCKEDSIGS_%s = "\\\n' % t)
                types[t].sort()
                sortedk = sorted(types[t], key=lambda k: self.lockedpnmap[k.rsplit(".",1)[0]])
                for k in sortedk:
                    fn = k.rsplit(".",1)[0]
                    task = k.rsplit(".",1)[1]
                    if k not in self.taskhash:
                        continue
                    f.write("    " + self.lockedpnmap[fn] + ":" + task + ":" + self.taskhash[k] + " \\\n")
                f.write('    "\n')
            f.write('SIGGEN_LOCKEDSIGS_TYPES_%s = "%s"' % (self.machine, " ".join(types.keys())))

    def checkhashes(self, missed, ret, sq_fn, sq_task, sq_hash, sq_hashfn, d):
        checklevel = d.getVar("SIGGEN_LOCKEDSIGS_CHECK_LEVEL", True)
        for task in range(len(sq_fn)):
            if task not in ret:
                for pn in self.lockedsigs:
                    if sq_hash[task] in self.lockedsigs[pn].itervalues():
                        self.mismatch_msgs.append("Locked sig is set for %s:%s (%s) yet not in sstate cache?"
                                               % (pn, sq_task[task], sq_hash[task]))

        if self.mismatch_msgs and checklevel == 'warn':
            bb.warn("\n".join(self.mismatch_msgs))
        elif self.mismatch_msgs and checklevel == 'error':
            bb.fatal("\n".join(self.mismatch_msgs))


# Insert these classes into siggen's namespace so it can see and select them
bb.siggen.SignatureGeneratorOEBasic = SignatureGeneratorOEBasic
bb.siggen.SignatureGeneratorOEBasicHash = SignatureGeneratorOEBasicHash


def find_siginfo(pn, taskname, taskhashlist, d):
    """ Find signature data files for comparison purposes """

    import fnmatch
    import glob

    if taskhashlist:
        hashfiles = {}

    if not taskname:
        # We have to derive pn and taskname
        key = pn
        splitit = key.split('.bb.')
        taskname = splitit[1]
        pn = os.path.basename(splitit[0]).split('_')[0]
        if key.startswith('virtual:native:'):
            pn = pn + '-native'

    if taskname in ['do_fetch', 'do_unpack', 'do_patch', 'do_populate_lic']:
        pn.replace("-native", "")

    filedates = {}

    # First search in stamps dir
    localdata = d.createCopy()
    localdata.setVar('MULTIMACH_TARGET_SYS', '*')
    localdata.setVar('PN', pn)
    localdata.setVar('PV', '*')
    localdata.setVar('PR', '*')
    localdata.setVar('EXTENDPE', '')
    stamp = localdata.getVar('STAMP', True)
    filespec = '%s.%s.sigdata.*' % (stamp, taskname)
    foundall = False
    import glob
    for fullpath in glob.glob(filespec):
        match = False
        if taskhashlist:
            for taskhash in taskhashlist:
                if fullpath.endswith('.%s' % taskhash):
                    hashfiles[taskhash] = fullpath
                    if len(hashfiles) == len(taskhashlist):
                        foundall = True
                        break
        else:
            try:
                filedates[fullpath] = os.stat(fullpath).st_mtime
            except OSError:
                continue

    if not taskhashlist and (len(filedates) < 2 and not foundall):
        # That didn't work, look in sstate-cache
        hashes = taskhashlist or ['*']
        localdata = bb.data.createCopy(d)
        for hashval in hashes:
            localdata.setVar('PACKAGE_ARCH', '*')
            localdata.setVar('TARGET_VENDOR', '*')
            localdata.setVar('TARGET_OS', '*')
            localdata.setVar('PN', pn)
            localdata.setVar('PV', '*')
            localdata.setVar('PR', '*')
            localdata.setVar('BB_TASKHASH', hashval)
            if pn.endswith('-native') or "-cross-" in pn or "-crosssdk-" in pn:
                localdata.setVar('SSTATE_EXTRAPATH', "${NATIVELSBSTRING}/")
            sstatename = taskname[3:]
            filespec = '%s_%s.*.siginfo' % (localdata.getVar('SSTATE_PKG', True), sstatename)

            if hashval != '*':
                sstatedir = "%s/%s" % (d.getVar('SSTATE_DIR', True), hashval[:2])
            else:
                sstatedir = d.getVar('SSTATE_DIR', True)

            for root, dirs, files in os.walk(sstatedir):
                for fn in files:
                    fullpath = os.path.join(root, fn)
                    if fnmatch.fnmatch(fullpath, filespec):
                        if taskhashlist:
                            hashfiles[hashval] = fullpath
                        else:
                            try:
                                filedates[fullpath] = os.stat(fullpath).st_mtime
                            except:
                                continue

    if taskhashlist:
        return hashfiles
    else:
        return filedates

bb.siggen.find_siginfo = find_siginfo