Beispiel #1
0
/**
 * The callee contains an invoke to a virtual method we either do not know
 * or it's not public. Given the caller may not be in the same
 * hierarchy/package we cannot inline it unless we make the method public.
 * But we need to make all methods public across the hierarchy and for methods
 * we don't know we have no idea whether the method was public or not anyway.
 */
bool MultiMethodInliner::unknown_virtual(DexInstruction* insn, DexMethod* context) {
  if (insn->opcode() == OPCODE_INVOKE_VIRTUAL ||
      insn->opcode() == OPCODE_INVOKE_VIRTUAL_RANGE) {
    auto method = static_cast<DexOpcodeMethod*>(insn)->get_method();
    auto res_method = resolver(method, MethodSearch::Virtual);
    if (res_method == nullptr) {
      // if it's not known to redex but it's a common java/android API method
      if (method_ok(method->get_class(), method)) {
        return false;
      }
      auto type = method->get_class();
      if (type_ok(type)) return false;

      // the method ref is bound to a type known to redex but the method does
      // not exist in the hierarchy known to redex. Essentially the method
      // is from an external type i.e. A.equals(Object)
      auto cls = type_class(type);
      while (cls != nullptr) {
        type = cls->get_super_class();
        cls = type_class(type);
      }
      if (type_ok(type)) return false;
      if (method_ok(type, method)) return false;
      assert(track(method));
      info.escaped_virtual++;
      return true;
    }
    if (res_method->is_external() && !is_public(res_method)) {
      info.non_pub_virtual++;
      return true;
    }
  }
  return false;
}
Beispiel #2
0
void
show_all_messages (CT *cts)
{
    CT ct, *ctp;

    /*
     * If form is not specified, then get default form
     * for showing headers of MIME messages.
     */
    if (!formsw)
	formsw = getcpy (etcpath ("mhl.headers"));

    /*
     * If form is "mhl.null", suppress display of header.
     */
    if (!strcmp (formsw, "mhl.null"))
	formsw = NULL;

    for (ctp = cts; *ctp; ctp++) {
	ct = *ctp;

	/* if top-level type is ok, then display message */
	if (type_ok (ct, 1))
	    show_single_message (ct, formsw);
    }
}
Beispiel #3
0
static int
show_external (CT ct, int serial, int alternate)
{
    struct exbody *e = (struct exbody *) ct->c_ctparams;
    CT p = e->eb_content;

    if (!type_ok (p, 0))
	return OK;

    return show_switch (p, serial, alternate);
}
Beispiel #4
0
int
main (int argc, char **argv)
{
    int msgnum, *icachesw;
    char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
    char *maildir, buf[100], **argp;
    char **arguments;
    struct msgs_array msgs = { 0, 0, NULL };
    struct msgs *mp = NULL;
    CT ct, *ctp;
    FILE *fp;

    if (nmh_init(argv[0], 1)) { return 1; }

    done=freects_done;

    arguments = getarguments (invo_name, argc, argv, 1);
    argp = arguments;

    /*
     * Parse arguments
     */
    while ((cp = *argp++)) {
	if (*cp == '-') {
	    switch (smatch (++cp, switches)) {
	    case AMBIGSW: 
		ambigsw (cp, switches);
		done (1);
	    case UNKWNSW: 
		adios (NULL, "-%s unknown", cp);

	    case HELPSW: 
		snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
			invo_name);
		print_help (buf, switches, 1);
		done (0);
	    case VERSIONSW:
		print_version(invo_name);
		done (0);

	    case AUTOSW:
		autosw++;
		continue;
	    case NAUTOSW:
		autosw = 0;
		continue;

	    case RCACHESW:
		icachesw = &rcachesw;
		goto do_cache;
	    case WCACHESW:
		icachesw = &wcachesw;
do_cache:
		if (!(cp = *argp++) || *cp == '-')
		    adios (NULL, "missing argument to %s", argp[-2]);
		switch (*icachesw = smatch (cp, caches)) {
		case AMBIGSW:
		    ambigsw (cp, caches);
		    done (1);
		case UNKWNSW:
		    adios (NULL, "%s unknown", cp);
		default:
		    break;
		}
		continue;

	    case CHECKSW:
		checksw++;
		continue;
	    case NCHECKSW:
		checksw = 0;
		continue;

	    case PARTSW:
		if (!(cp = *argp++) || *cp == '-')
		    adios (NULL, "missing argument to %s", argp[-2]);
		if (npart >= NPARTS)
		    adios (NULL, "too many parts (starting with %s), %d max",
			   cp, NPARTS);
		parts[npart++] = cp;
		continue;

	    case TYPESW:
		if (!(cp = *argp++) || *cp == '-')
		    adios (NULL, "missing argument to %s", argp[-2]);
		if (ntype >= NTYPES)
		    adios (NULL, "too many types (starting with %s), %d max",
			   cp, NTYPES);
		types[ntype++] = cp;
		continue;

	    case FILESW:
		if (!(cp = *argp++) || (*cp == '-' && cp[1]))
		    adios (NULL, "missing argument to %s", argp[-2]);
		file = *cp == '-' ? cp : path (cp, TFILE);
		continue;

	    case OUTFILESW:
		if (!(cp = *argp++) || (*cp == '-' && cp[1]))
		    adios (NULL, "missing argument to %s", argp[-2]);
		outfile = *cp == '-' ? cp : path (cp, TFILE);
		continue;

	    case VERBSW: 
		verbosw = 1;
		continue;
	    case NVERBSW: 
		verbosw = 0;
		continue;
            case CLOBBERSW:
		if (!(cp = *argp++) || *cp == '-')
		    adios (NULL, "missing argument to %s", argp[-2]);
                if (save_clobber_policy (cp)) {
                  adios (NULL, "invalid argument, %s, to %s", argp[-1],
                         argp[-2]);
                }
		continue;
	    case DEBUGSW:
		debugsw = 1;
		continue;
	    }
	}
	if (*cp == '+' || *cp == '@') {
	    if (folder)
		adios (NULL, "only one folder at a time!");
	    else
		folder = pluspath (cp);
	} else
		app_msgarg(&msgs, cp);
    }

    /* null terminate the list of acceptable parts/types */
    parts[npart] = NULL;
    types[ntype] = NULL;

    /*
     * Check if we've specified an additional profile
     */
    if ((cp = getenv ("MHSTORE"))) {
	if ((fp = fopen (cp, "r"))) {
	    readconfig ((struct node **) 0, fp, cp, 0);
	    fclose (fp);
	} else {
	    admonish ("", "unable to read $MHSTORE profile (%s)", cp);
	}
    }

    /*
     * Read the standard profile setup
     */
    if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
	readconfig ((struct node **) 0, fp, cp, 0);
	fclose (fp);
    }

    /* Check for public cache location */
    if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
	cache_public = NULL;

    /* Check for private cache location */
    if (!(cache_private = context_find (nmhprivcache)))
	cache_private = ".cache";
    cache_private = getcpy (m_maildir (cache_private));

    /*
     * Cache the current directory before we do any chdirs()'s.
     */
    cwd = getcpy (pwd());

    if (!context_find ("path"))
	free (path ("./", TFOLDER));

    if (file && msgs.size)
	adios (NULL, "cannot specify msg and file at same time!");

    /*
     * check if message is coming from file
     */
    if (file) {
	if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts))))
	    adios (NULL, "out of memory");
	ctp = cts;

	if ((ct = parse_mime (file))) {
	    *ctp++ = ct;
	    if (outfile) {
		ct->c_storage = outfile;
	    }
        }
    } else {
	/*
	 * message(s) are coming from a folder
	 */
	if (!msgs.size)
	    app_msgarg(&msgs, "cur");
	if (!folder)
	    folder = getfolder (1);
	maildir = m_maildir (folder);

	if (chdir (maildir) == NOTOK)
	    adios (maildir, "unable to change directory to");

	/* read folder and create message structure */
	if (!(mp = folder_read (folder, 1)))
	    adios (NULL, "unable to read folder %s", folder);

	/* check for empty folder */
	if (mp->nummsg == 0)
	    adios (NULL, "no messages in %s", folder);

	/* parse all the message ranges/sequences and set SELECTED */
	for (msgnum = 0; msgnum < msgs.size; msgnum++)
	    if (!m_convert (mp, msgs.msgs[msgnum]))
		done (1);
	seq_setprev (mp);	/* set the previous-sequence */

	if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts))))
	    adios (NULL, "out of memory");
	ctp = cts;

	for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
	    if (is_selected(mp, msgnum)) {
		char *msgnam;

		msgnam = m_name (msgnum);
		if ((ct = parse_mime (msgnam))) {
		    *ctp++ = ct;
		    if (outfile) {
			ct->c_storage = add (outfile, NULL);
		    }
                }
	    }
	}
    }

    if (!*cts)
	done (1);

    userrs = 1;
    SIGNAL (SIGQUIT, quitser);
    SIGNAL (SIGPIPE, pipeser);

    /*
     * Get the associated umask for the relevant contents.
     */
    for (ctp = cts; *ctp; ctp++) {
	struct stat st;

	ct = *ctp;
	if (type_ok (ct, 1) && !ct->c_umask) {
	    if (stat (ct->c_file, &st) != NOTOK)
		ct->c_umask = ~(st.st_mode & 0777);
	    else
		ct->c_umask = ~m_gmprot();
	}
    }

    /*
     * Store the message content
     */
    store_all_messages (cts);

    /* Now free all the structures for the content */
    for (ctp = cts; *ctp; ctp++)
	free_content (*ctp);

    free ((char *) cts);
    cts = NULL;

    /* If reading from a folder, do some updating */
    if (mp) {
	context_replace (pfolder, folder);/* update current folder  */
	seq_setcur (mp, mp->hghsel);	  /* update current message */
	seq_save (mp);			  /* synchronize sequences  */
	context_save ();		  /* save the context file  */
    }

    done (files_not_clobbered);
    return 1;
}
Beispiel #5
0
static int
show_multi_internal (CT ct, int serial, int alternate)
{
    int	alternating, nowalternate, nowserial, result;
    struct multipart *m = (struct multipart *) ct->c_ctparams;
    struct part *part;
    CT p;
    sigset_t set, oset;

    alternating = 0;
    nowalternate = alternate;

    if (ct->c_subtype == MULTI_PARALLEL) {
	nowserial = serialsw;
    } else if (ct->c_subtype == MULTI_ALTERNATE) {
	nowalternate = 1;
	alternating  = 1;
	nowserial = serial;
    } else {
	/*
	 * multipart/mixed
	 * mutlipart/digest
	 * unknown subtypes of multipart (treat as mixed per rfc2046)
	 */
	nowserial = serial;
    }

    /* block a few signals */
    if (!nowserial) {
	sigemptyset (&set);
	sigaddset (&set, SIGHUP);
	sigaddset (&set, SIGINT);
	sigaddset (&set, SIGQUIT);
	sigaddset (&set, SIGTERM);
	sigprocmask (SIG_BLOCK, &set, &oset);
    }

/*
 * alternate   -> we are a part inside an multipart/alternative
 * alternating -> we are a multipart/alternative 
 */

    result = alternate ? NOTOK : OK;

    for (part = m->mp_parts; part; part = part->mp_next) {
	p = part->mp_part;

	if (part_ok (p, 1) && type_ok (p, 1)) {
	    int	inneresult;

	    inneresult = show_switch (p, nowserial, nowalternate);
	    switch (inneresult) {
		case NOTOK:
		    if (alternate && !alternating) {
			result = NOTOK;
			goto out;
		    }
		    continue;

		case OK:
		case DONE:
		    if (alternating) {
			result = DONE;
			break;
		    }
		    if (alternate) {
			alternate = nowalternate = 0;
			if (result == NOTOK)
			    result = inneresult;
		    }
		    continue;
	    }
	    break;
	}
    }

    if (alternating && !part) {
	if (!alternate)
	    content_error (NULL, ct, "don't know how to display any of the contents");
	result = NOTOK;
	goto out;
    }

    if (serial && !nowserial) {
	pid_t pid;
	int kids;
	int status;

	kids = 0;
	for (part = m->mp_parts; part; part = part->mp_next) {
	    p = part->mp_part;

	    if (p->c_pid > OK) {
		if (kill (p->c_pid, 0) == NOTOK)
		    p->c_pid = 0;
		else
		    kids++;
	    }
	}

	while (kids > 0 && (pid = wait (&status)) != NOTOK) {
	    pidcheck (status);

	    for (part = m->mp_parts; part; part = part->mp_next) {
		p = part->mp_part;

		if (xpid == pid)
		    xpid = 0;
		if (p->c_pid == pid) {
		    p->c_pid = 0;
		    kids--;
		    break;
		}
	    }
	}
    }

out:
    if (!nowserial) {
	/* reset the signal mask */
	sigprocmask (SIG_SETMASK, &oset, &set);
    }

    return result;
}