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#!/usr/bin/python -u # -*- coding: utf-8 -*- # WARNING: python -u means unbuffered I/O. Without it the messages are # passed to the parent asynchronously which looks bad in clients. from subprocess import Popen, PIPE import sys import os import getopt GETTEXT_PROGNAME = "abrt" import locale import gettext _ = lambda x: gettext.lgettext(x) verbose = 0 def log(s): sys.stderr.write("%s\n" % s) def log1(message): if verbose > 0: log(message) def log2(message): if verbose > 1: log(message) def error_msg(s): sys.stderr.write("%s\n" % s) def error_msg_and_die(s): sys.stderr.write("%s\n" % s) sys.exit(1) def xopen(name, mode): try: r = open(name, mode) except IOError, ex: error_msg_and_die("Can't open '%s': %s" % (name, ex)) return r def init_gettext(): try: locale.setlocale(locale.LC_ALL, "") except locale.Error: os.environ['LC_ALL'] = 'C' locale.setlocale(locale.LC_ALL, "") # Defeat "AttributeError: 'module' object has no attribute 'nl_langinfo'" try: gettext.bind_textdomain_codeset(GETTEXT_PROGNAME, locale.nl_langinfo(locale.CODESET)) except AttributeError: pass gettext.bindtextdomain(GETTEXT_PROGNAME, "/usr/share/locale") gettext.textdomain(GETTEXT_PROGNAME) #eu_unstrip_OUT=`eu-unstrip "--core=$core" -n 2>eu_unstrip.ERR` def extract_info_from_core(coredump_name): """ Extracts builds with filenames, Returns a list of tuples (build_id, filename) """ #OFFSET = 0 BUILD_ID = 1 LIBRARY = 2 #SEP = 3 EXECUTABLE = 4 log(_("Analyzing coredump '%s'") % coredump_name) eu_unstrip_OUT = Popen(["eu-unstrip","--core=%s" % coredump_name, "-n"], stdout=PIPE, bufsize=-1).communicate()[0] # parse eu_unstrip_OUT and return the list of build_ids # eu_unstrip_OUT = ( # "0x7f42362ca000+0x204000 c4d35d993598a6242f7525d024b5ec3becf5b447@0x7f42362ca1a0 /usr/lib64/libcanberra-gtk.so.0 - libcanberra-gtk.so.0\n" # "0x3afa400000+0x210000 607308f916c13c3ad9ee503008d31fa671ba73ce@0x3afa4001a0 /usr/lib64/libcanberra.so.0 - libcanberra.so.0\n" # "0x3afa400000+0x210000 607308f916c13c3ad9ee503008d31fa671ba73ce@0x3afa4001a0 /usr/lib64/libcanberra.so.0 - libcanberra.so.0\n" # "0x3bc7000000+0x208000 3be016bb723e85779a23e111a8ab1a520b209422@0x3bc70001a0 /usr/lib64/libvorbisfile.so.3 - libvorbisfile.so.3\n" # "0x7f423609e000+0x22c000 87f9c7d9844f364c73aa2566d6cfc9c5fa36d35d@0x7f423609e1a0 /usr/lib64/libvorbis.so.0 - libvorbis.so.0\n" # "0x7f4235e99000+0x205000 b5bc98c125a11b571cf4f2746268a6d3cfa95b68@0x7f4235e991a0 /usr/lib64/libogg.so.0 - libogg.so.0\n" # "0x7f4235c8b000+0x20e000 f1ff6c8ee30dba27e90ef0c5b013df2833da2889@0x7f4235c8b1a0 /usr/lib64/libtdb.so.1 - libtdb.so.1\n" # "0x3bc3000000+0x209000 8ef56f789fd914e8d0678eb0cdfda1bfebb00b40@0x3bc30001a0 /usr/lib64/libltdl.so.7 - libltdl.so.7\n" # "0x7f4231b64000+0x22b000 3ca5b83798349f78b362b1ea51c8a4bc8114b8b1@0x7f4231b641a0 /usr/lib64/gio/modules/libgvfsdbus.so - libgvfsdbus.so\n" # "0x7f423192a000+0x218000 ad024a01ad132737a8cfc7c95beb7c77733a652d@0x7f423192a1a0 /usr/lib64/libgvfscommon.so.0 - libgvfscommon.so.0\n" # "0x7f423192a000+0x218000 ad024a01ad132737a8cfc7c95beb7c77733a652d@0x7f423192a1a0 /usr/lib64/libgvfscommon.so.0 - libgvfscommon.so.0\n" # "0x3bb8e00000+0x20e000 d240ac5755184a95c783bb98a2d05530e0cf958a@0x3bb8e001a0 /lib64/libudev.so.0 - libudev.so.0\n" # ) #print eu_unstrip_OUT # we failed to get build ids from the core -> die if not eu_unstrip_OUT: error_msg_and_die("Can't get build ids from %s" % coredump_name) lines = eu_unstrip_OUT.split('\n') # using set ensures the unique values build_ids = set() libraries = set() for line in lines: b_ids_line = line.split() if len(b_ids_line) >= EXECUTABLE: # [exe] -> the executable itself # linux-vdso.so.1 -> Virtual Dynamic Shared Object # linux-gate.so.1 -> the same as vdso # See https://bugzilla.redhat.com/show_bug.cgi?id=706969 # "Please split kernel debuginfo packages so that VDSO debuginfos are separate" - # we might want to remove this special-casing later. if b_ids_line[BUILD_ID] == '-': log(_("Missing build id: %s" % b_ids_line[EXECUTABLE])) elif ((len(b_ids_line) == EXECUTABLE) or (b_ids_line[EXECUTABLE] not in ["linux-vdso.so.1", "linux-gate.so.1"])): build_id = b_ids_line[BUILD_ID].split('@')[0] build_ids.add(build_id) library = b_ids_line[LIBRARY] libraries.add(library) else: log2("skipping line '%s'" % line) log1("Found %i build_ids" % len(build_ids)) log1("Found %i libs" % len(libraries)) return build_ids def build_ids_to_path(build_ids): """ build_id1=${build_id:0:2} build_id2=${build_id:2} file="usr/lib/debug/.build-id/$build_id1/$build_id2.debug" """ return ["/usr/lib/debug/.build-id/%s/%s.debug" % (b_id[:2], b_id[2:]) for b_id in build_ids] if __name__ == "__main__": # localization init_gettext() ABRT_VERBOSE = os.getenv("ABRT_VERBOSE") if (ABRT_VERBOSE): try: verbose = int(ABRT_VERBOSE) except: pass progname = os.path.basename(sys.argv[0]) help_text = _("Usage: %s [-v] [-o OUTFILE] -c COREFILE") % progname try: opts, args = getopt.getopt(sys.argv[1:], "vhc:o:", ["help", "core="]) except getopt.GetoptError, err: error_msg(err) # prints something like "option -a not recognized" error_msg_and_die(help_text) core = None opt_o = None for opt, arg in opts: if opt in ("-h", "--help"): print help_text exit(0) elif opt == "-v": verbose += 1 elif opt == "-o": opt_o = arg elif opt in ("-c", "--core"): core = arg if not core: error_msg(_("COREFILE is not specified")) error_msg_and_die(help_text) b_ids = extract_info_from_core(core) try: # Note that we open -o FILE only when we reach the point # when we are definitely going to write something to it outfile = sys.stdout outname = opt_o # Make sure the file is readable for all oldmask = os.umask(0002) for bid in b_ids: if outname: outfile = xopen(outname, "w") outname = None outfile.write("%s\n" % bid) outfile.close() os.umask(oldmask) except IOError, e: if not opt_o: opt_o = "<stdout>" error_msg_and_die("Error writing to '%s': %s" % (opt_o, e))