dflag is unused when LOADER_VERIEXEC isn't defined, so move it under the ifdef. Sponsored by: Netflix
1869 lines
41 KiB
C
1869 lines
41 KiB
C
/*-
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* file/module function dispatcher, support, etc.
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*/
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#include <stand.h>
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#include <string.h>
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/module.h>
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#include <sys/queue.h>
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#include <sys/stdint.h>
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#include <sys/font.h>
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#include <gfx_fb.h>
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#if defined(LOADER_FDT_SUPPORT)
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#include <fdt_platform.h>
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#endif
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#include "bootstrap.h"
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#define MDIR_REMOVED 0x0001
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#define MDIR_NOHINTS 0x0002
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struct moduledir {
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char *d_path; /* path of modules directory */
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u_char *d_hints; /* content of linker.hints file */
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int d_hintsz; /* size of hints data */
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int d_flags;
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STAILQ_ENTRY(moduledir) d_link;
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};
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static int file_load(char *filename, vm_offset_t dest, struct preloaded_file **result);
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static int file_load_dependencies(struct preloaded_file *base_mod);
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static char * file_search(const char *name, char **extlist);
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static struct kernel_module * file_findmodule(struct preloaded_file *fp, char *modname, struct mod_depend *verinfo);
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static int file_havepath(const char *name);
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static char *mod_searchmodule(char *name, struct mod_depend *verinfo);
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static char * mod_searchmodule_pnpinfo(const char *bus, const char *pnpinfo);
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static void file_insert_tail(struct preloaded_file *mp);
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static void file_remove(struct preloaded_file *fp);
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struct file_metadata* metadata_next(struct file_metadata *base_mp, int type);
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static void moduledir_readhints(struct moduledir *mdp);
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static void moduledir_rebuild(void);
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/* load address should be tweaked by first module loaded (kernel) */
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static vm_offset_t loadaddr = 0;
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#if defined(LOADER_FDT_SUPPORT)
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static const char *default_searchpath =
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"/boot/kernel;/boot/modules;/boot/dtb";
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#else
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static const char *default_searchpath = "/boot/kernel;/boot/modules";
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#endif
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static STAILQ_HEAD(, moduledir) moduledir_list =
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STAILQ_HEAD_INITIALIZER(moduledir_list);
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struct preloaded_file *preloaded_files = NULL;
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static char *kld_ext_list[] = {
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".ko",
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"",
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".debug",
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NULL
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};
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/*
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* load an object, either a disk file or code module.
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*
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* To load a file, the syntax is:
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*
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* load -t <type> <path>
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*
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* code modules are loaded as:
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*
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* load <path> <options>
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*/
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COMMAND_SET(load, "load", "load a kernel or module", command_load);
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static int
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command_load(int argc, char *argv[])
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{
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struct preloaded_file *fp;
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char *typestr;
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#ifdef LOADER_VERIEXEC
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char *prefix, *skip;
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int dflag = 0;
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char *args = "dkp:s:t:";
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#else
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char *args = "kt:";
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#endif
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int dofile, dokld, ch, error;
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dokld = dofile = 0;
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optind = 1;
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optreset = 1;
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typestr = NULL;
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if (argc == 1) {
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command_errmsg = "no filename specified";
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return (CMD_CRIT);
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}
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#ifdef LOADER_VERIEXEC
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prefix = NULL;
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skip = NULL;
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#endif
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while ((ch = getopt(argc, argv, args)) != -1) {
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switch(ch) {
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#ifdef LOADER_VERIEXEC
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case 'd':
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dflag++;
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break;
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#endif
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case 'k':
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dokld = 1;
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break;
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#ifdef LOADER_VERIEXEC
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case 'p':
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prefix = optarg;
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break;
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case 's':
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skip = optarg;
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break;
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#endif
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case 't':
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typestr = optarg;
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dofile = 1;
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break;
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case '?':
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default:
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/* getopt has already reported an error */
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return (CMD_OK);
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}
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}
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argv += (optind - 1);
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argc -= (optind - 1);
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/*
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* Request to load a raw file?
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*/
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if (dofile) {
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if ((argc != 2) || (typestr == NULL) || (*typestr == 0)) {
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command_errmsg = "invalid load type";
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return (CMD_CRIT);
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}
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#ifdef LOADER_VERIEXEC
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if (strncmp(typestr, "manifest", 8) == 0) {
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if (dflag > 0)
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ve_debug_set(dflag);
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return (load_manifest(argv[1], prefix, skip, NULL));
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}
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#ifdef LOADER_VERIEXEC_PASS_MANIFEST
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if (strncmp(typestr, "pass_manifest", 13) == 0) {
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if (dflag > 0)
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ve_debug_set(dflag);
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return (pass_manifest(argv[1], prefix));
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}
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#endif
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#endif
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fp = file_findfile(argv[1], typestr);
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if (fp) {
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snprintf(command_errbuf, sizeof(command_errbuf),
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"warning: file '%s' already loaded", argv[1]);
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return (CMD_WARN);
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}
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if (file_loadraw(argv[1], typestr, 1) != NULL)
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return (CMD_OK);
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/* Failing to load mfs_root is never going to end well! */
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if (strcmp("mfs_root", typestr) == 0)
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return (CMD_FATAL);
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return (CMD_ERROR);
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}
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/*
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* Do we have explicit KLD load ?
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*/
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if (dokld || file_havepath(argv[1])) {
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error = mod_loadkld(argv[1], argc - 2, argv + 2);
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if (error == EEXIST) {
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snprintf(command_errbuf, sizeof(command_errbuf),
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"warning: KLD '%s' already loaded", argv[1]);
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return (CMD_WARN);
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}
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return (error == 0 ? CMD_OK : CMD_CRIT);
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}
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/*
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* Looks like a request for a module.
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*/
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error = mod_load(argv[1], NULL, argc - 2, argv + 2);
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if (error == EEXIST) {
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snprintf(command_errbuf, sizeof(command_errbuf),
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"warning: module '%s' already loaded", argv[1]);
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return (CMD_WARN);
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}
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return (error == 0 ? CMD_OK : CMD_CRIT);
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}
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#ifdef LOADER_GELI_SUPPORT
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COMMAND_SET(load_geli, "load_geli", "load a geli key", command_load_geli);
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static int
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command_load_geli(int argc, char *argv[])
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{
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char typestr[80];
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char *cp;
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int ch, num;
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if (argc < 3) {
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command_errmsg = "usage is [-n key#] <prov> <file>";
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return(CMD_ERROR);
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}
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num = 0;
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optind = 1;
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optreset = 1;
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while ((ch = getopt(argc, argv, "n:")) != -1) {
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switch(ch) {
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case 'n':
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num = strtol(optarg, &cp, 0);
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if (cp == optarg) {
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snprintf(command_errbuf, sizeof(command_errbuf),
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"bad key index '%s'", optarg);
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return(CMD_ERROR);
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}
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break;
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case '?':
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default:
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/* getopt has already reported an error */
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return(CMD_OK);
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}
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}
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argv += (optind - 1);
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argc -= (optind - 1);
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sprintf(typestr, "%s:geli_keyfile%d", argv[1], num);
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return (file_loadraw(argv[2], typestr, 1) ? CMD_OK : CMD_ERROR);
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}
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#endif
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void
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unload(void)
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{
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struct preloaded_file *fp;
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while (preloaded_files != NULL) {
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fp = preloaded_files;
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preloaded_files = preloaded_files->f_next;
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file_discard(fp);
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}
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loadaddr = 0;
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unsetenv("kernelname");
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}
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COMMAND_SET(unload, "unload", "unload all modules", command_unload);
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static int
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command_unload(int argc, char *argv[])
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{
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unload();
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return(CMD_OK);
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}
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COMMAND_SET(lsmod, "lsmod", "list loaded modules", command_lsmod);
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static int
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command_lsmod(int argc, char *argv[])
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{
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struct preloaded_file *fp;
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struct kernel_module *mp;
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struct file_metadata *md;
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char lbuf[80];
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int ch, verbose, ret = 0;
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verbose = 0;
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optind = 1;
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optreset = 1;
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while ((ch = getopt(argc, argv, "v")) != -1) {
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switch(ch) {
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case 'v':
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verbose = 1;
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break;
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case '?':
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default:
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/* getopt has already reported an error */
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return(CMD_OK);
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}
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}
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pager_open();
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for (fp = preloaded_files; fp; fp = fp->f_next) {
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snprintf(lbuf, sizeof(lbuf), " %p: ", (void *) fp->f_addr);
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pager_output(lbuf);
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pager_output(fp->f_name);
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snprintf(lbuf, sizeof(lbuf), " (%s, 0x%lx)\n", fp->f_type,
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(long)fp->f_size);
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if (pager_output(lbuf))
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break;
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if (fp->f_args != NULL) {
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pager_output(" args: ");
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pager_output(fp->f_args);
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if (pager_output("\n"))
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break;
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}
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if (fp->f_modules) {
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pager_output(" modules: ");
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for (mp = fp->f_modules; mp; mp = mp->m_next) {
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snprintf(lbuf, sizeof(lbuf), "%s.%d ", mp->m_name,
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mp->m_version);
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pager_output(lbuf);
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}
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if (pager_output("\n"))
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break;
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}
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if (verbose) {
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|
/* XXX could add some formatting smarts here to display some better */
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for (md = fp->f_metadata; md != NULL; md = md->md_next) {
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snprintf(lbuf, sizeof(lbuf), " 0x%04x, 0x%lx\n",
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md->md_type, (long) md->md_size);
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if (pager_output(lbuf))
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break;
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}
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}
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if (ret)
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break;
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}
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pager_close();
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return(CMD_OK);
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}
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COMMAND_SET(pnpmatch, "pnpmatch", "list matched modules based on pnpinfo", command_pnpmatch);
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static int pnp_dump_flag = 0;
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static int pnp_unbound_flag = 0;
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static int pnp_verbose_flag = 0;
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static int
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command_pnpmatch(int argc, char *argv[])
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{
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char *module;
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int ch;
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pnp_verbose_flag = 0;
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pnp_dump_flag = 0;
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optind = 1;
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optreset = 1;
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while ((ch = getopt(argc, argv, "vd")) != -1) {
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switch(ch) {
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case 'v':
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pnp_verbose_flag = 1;
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break;
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case 'd':
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|
pnp_dump_flag = 1;
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break;
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case '?':
|
|
default:
|
|
/* getopt has already reported an error */
|
|
return(CMD_OK);
|
|
}
|
|
}
|
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argv += optind;
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argc -= optind;
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|
|
|
if (argc != 2) {
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command_errmsg = "Usage: pnpmatch <busname> compat=<compatdata>";
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return (CMD_CRIT);
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}
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|
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module = mod_searchmodule_pnpinfo(argv[0], argv[1]);
|
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if (module)
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printf("Matched module: %s\n", module);
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else
|
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printf("No module matches %s on bus %s\n", argv[1], argv[0]);
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|
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return (CMD_OK);
|
|
}
|
|
|
|
COMMAND_SET(pnpload, "pnpload", "load matched modules based on pnpinfo", command_pnpload);
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|
|
|
static int
|
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command_pnpload(int argc, char *argv[])
|
|
{
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|
char *module;
|
|
int ch, error;
|
|
|
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pnp_verbose_flag = 0;
|
|
pnp_dump_flag = 0;
|
|
optind = 1;
|
|
optreset = 1;
|
|
while ((ch = getopt(argc, argv, "vd")) != -1) {
|
|
switch(ch) {
|
|
case 'v':
|
|
pnp_verbose_flag = 1;
|
|
break;
|
|
case 'd':
|
|
pnp_dump_flag = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
/* getopt has already reported an error */
|
|
return(CMD_OK);
|
|
}
|
|
}
|
|
argv += optind;
|
|
argc -= optind;
|
|
|
|
if (argc != 2) {
|
|
command_errmsg = "Usage: pnpload <busname> compat=<compatdata>";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
module = mod_searchmodule_pnpinfo(argv[0], argv[1]);
|
|
|
|
error = mod_load(module, NULL, 0, NULL);
|
|
if (error == EEXIST) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"warning: module '%s' already loaded", argv[1]);
|
|
return (CMD_WARN);
|
|
}
|
|
|
|
return (error == 0 ? CMD_OK : CMD_CRIT);
|
|
}
|
|
|
|
#if defined(LOADER_FDT_SUPPORT)
|
|
static void
|
|
pnpautoload_fdt_bus(const char *busname) {
|
|
const char *pnpstring;
|
|
const char *compatstr;
|
|
char *pnpinfo = NULL;
|
|
char *module = NULL;
|
|
int tag = 0, len, pnplen;
|
|
int error;
|
|
|
|
while (1) {
|
|
pnpstring = fdt_devmatch_next(&tag, &len);
|
|
if (pnpstring == NULL)
|
|
return;
|
|
|
|
compatstr = pnpstring;
|
|
for (pnplen = 0; pnplen != len; compatstr = pnpstring + pnplen) {
|
|
pnplen += strlen(compatstr) + 1;
|
|
asprintf(&pnpinfo, "compat=%s", compatstr);
|
|
|
|
module = mod_searchmodule_pnpinfo(busname, pnpinfo);
|
|
if (module) {
|
|
error = mod_loadkld(module, 0, NULL);
|
|
if (error)
|
|
printf("Cannot load module %s\n", module);
|
|
break;
|
|
}
|
|
}
|
|
free(pnpinfo);
|
|
free(module);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
struct pnp_bus {
|
|
const char *name;
|
|
void (*load)(const char *busname);
|
|
};
|
|
|
|
struct pnp_bus pnp_buses[] = {
|
|
#if defined(LOADER_FDT_SUPPORT)
|
|
{"simplebus", pnpautoload_fdt_bus},
|
|
{"ofwbus", pnpautoload_fdt_bus},
|
|
{"iicbus", pnpautoload_fdt_bus},
|
|
{"spibus", pnpautoload_fdt_bus},
|
|
#endif
|
|
};
|
|
|
|
COMMAND_SET(pnpautoload, "pnpautoload", "auto load modules based on pnpinfo", command_pnpautoload);
|
|
|
|
static int
|
|
command_pnpautoload(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
int verbose;
|
|
int ch, match;
|
|
|
|
pnp_verbose_flag = 0;
|
|
pnp_dump_flag = 0;
|
|
verbose = 0;
|
|
optind = 1;
|
|
optreset = 1;
|
|
match = 0;
|
|
while ((ch = getopt(argc, argv, "v")) != -1) {
|
|
switch(ch) {
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
/* getopt has already reported an error */
|
|
return(CMD_OK);
|
|
}
|
|
}
|
|
argv += (optind - 1);
|
|
argc -= (optind - 1);
|
|
|
|
if (argc > 2)
|
|
return (CMD_ERROR);
|
|
|
|
for (i = 0; i < nitems(pnp_buses); i++) {
|
|
if (argc == 2 && strcmp(argv[1], pnp_buses[i].name) != 0) {
|
|
if (verbose)
|
|
printf("Skipping bus %s\n", pnp_buses[i].name);
|
|
continue;
|
|
}
|
|
if (verbose)
|
|
printf("Autoloading modules for %s\n", pnp_buses[i].name);
|
|
pnp_buses[i].load(pnp_buses[i].name);
|
|
match = 1;
|
|
}
|
|
if (match == 0)
|
|
printf("Unsupported bus %s\n", argv[1]);
|
|
|
|
return (CMD_OK);
|
|
}
|
|
|
|
/*
|
|
* File level interface, functions file_*
|
|
*/
|
|
int
|
|
file_load(char *filename, vm_offset_t dest, struct preloaded_file **result)
|
|
{
|
|
static int last_file_format = 0;
|
|
struct preloaded_file *fp;
|
|
int error;
|
|
int i;
|
|
|
|
TSENTER2(filename);
|
|
if (archsw.arch_loadaddr != NULL)
|
|
dest = archsw.arch_loadaddr(LOAD_RAW, filename, dest);
|
|
|
|
error = EFTYPE;
|
|
for (i = last_file_format, fp = NULL;
|
|
file_formats[i] && fp == NULL; i++) {
|
|
error = (file_formats[i]->l_load)(filename, dest, &fp);
|
|
if (error == 0) {
|
|
fp->f_loader = last_file_format = i; /* remember the loader */
|
|
*result = fp;
|
|
break;
|
|
} else if (last_file_format == i && i != 0) {
|
|
/* Restart from the beginning */
|
|
i = -1;
|
|
last_file_format = 0;
|
|
fp = NULL;
|
|
continue;
|
|
}
|
|
if (error == EFTYPE)
|
|
continue; /* Unknown to this handler? */
|
|
if (error) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"can't load file '%s': %s", filename, strerror(error));
|
|
break;
|
|
}
|
|
}
|
|
TSEXIT();
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
file_load_dependencies(struct preloaded_file *base_file)
|
|
{
|
|
struct file_metadata *md;
|
|
struct preloaded_file *fp;
|
|
struct mod_depend *verinfo;
|
|
struct kernel_module *mp;
|
|
char *dmodname;
|
|
int error;
|
|
|
|
md = file_findmetadata(base_file, MODINFOMD_DEPLIST);
|
|
if (md == NULL)
|
|
return (0);
|
|
error = 0;
|
|
do {
|
|
verinfo = (struct mod_depend*)md->md_data;
|
|
dmodname = (char *)(verinfo + 1);
|
|
if (file_findmodule(NULL, dmodname, verinfo) == NULL) {
|
|
if (module_verbose > MODULE_VERBOSE_SILENT)
|
|
printf("loading required module '%s'\n", dmodname);
|
|
error = mod_load(dmodname, verinfo, 0, NULL);
|
|
if (error)
|
|
break;
|
|
/*
|
|
* If module loaded via kld name which isn't listed
|
|
* in the linker.hints file, we should check if it have
|
|
* required version.
|
|
*/
|
|
mp = file_findmodule(NULL, dmodname, verinfo);
|
|
if (mp == NULL) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"module '%s' exists but with wrong version", dmodname);
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
md = metadata_next(md, MODINFOMD_DEPLIST);
|
|
} while (md);
|
|
if (!error)
|
|
return (0);
|
|
/* Load failed; discard everything */
|
|
while (base_file != NULL) {
|
|
fp = base_file;
|
|
base_file = base_file->f_next;
|
|
file_discard(fp);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
vm_offset_t
|
|
build_font_module(vm_offset_t addr)
|
|
{
|
|
vt_font_bitmap_data_t *bd;
|
|
struct vt_font *fd;
|
|
struct preloaded_file *fp;
|
|
size_t size;
|
|
uint32_t checksum;
|
|
int i;
|
|
struct font_info fi;
|
|
struct fontlist *fl;
|
|
uint64_t fontp;
|
|
|
|
if (STAILQ_EMPTY(&fonts))
|
|
return (addr);
|
|
|
|
/* We can't load first */
|
|
if ((file_findfile(NULL, NULL)) == NULL) {
|
|
printf("Can not load font module: %s\n",
|
|
"the kernel is not loaded");
|
|
return (addr);
|
|
}
|
|
|
|
/* helper pointers */
|
|
bd = NULL;
|
|
STAILQ_FOREACH(fl, &fonts, font_next) {
|
|
if (gfx_state.tg_font.vf_width == fl->font_data->vfbd_width &&
|
|
gfx_state.tg_font.vf_height == fl->font_data->vfbd_height) {
|
|
/*
|
|
* Kernel does have better built in font.
|
|
*/
|
|
if (fl->font_flags == FONT_BUILTIN)
|
|
return (addr);
|
|
|
|
bd = fl->font_data;
|
|
break;
|
|
}
|
|
}
|
|
if (bd == NULL)
|
|
return (addr);
|
|
fd = bd->vfbd_font;
|
|
|
|
fi.fi_width = fd->vf_width;
|
|
checksum = fi.fi_width;
|
|
fi.fi_height = fd->vf_height;
|
|
checksum += fi.fi_height;
|
|
fi.fi_bitmap_size = bd->vfbd_uncompressed_size;
|
|
checksum += fi.fi_bitmap_size;
|
|
|
|
size = roundup2(sizeof (struct font_info), 8);
|
|
for (i = 0; i < VFNT_MAPS; i++) {
|
|
fi.fi_map_count[i] = fd->vf_map_count[i];
|
|
checksum += fi.fi_map_count[i];
|
|
size += fd->vf_map_count[i] * sizeof (struct vfnt_map);
|
|
size += roundup2(size, 8);
|
|
}
|
|
size += bd->vfbd_uncompressed_size;
|
|
|
|
fi.fi_checksum = -checksum;
|
|
|
|
fp = file_findfile(NULL, "elf kernel");
|
|
if (fp == NULL)
|
|
fp = file_findfile(NULL, "elf64 kernel");
|
|
if (fp == NULL)
|
|
panic("can't find kernel file");
|
|
|
|
fontp = addr;
|
|
addr += archsw.arch_copyin(&fi, addr, sizeof (struct font_info));
|
|
addr = roundup2(addr, 8);
|
|
|
|
/* Copy maps. */
|
|
for (i = 0; i < VFNT_MAPS; i++) {
|
|
if (fd->vf_map_count[i] != 0) {
|
|
addr += archsw.arch_copyin(fd->vf_map[i], addr,
|
|
fd->vf_map_count[i] * sizeof (struct vfnt_map));
|
|
addr = roundup2(addr, 8);
|
|
}
|
|
}
|
|
|
|
/* Copy the bitmap. */
|
|
addr += archsw.arch_copyin(fd->vf_bytes, addr, fi.fi_bitmap_size);
|
|
|
|
/* Looks OK so far; populate control structure */
|
|
file_addmetadata(fp, MODINFOMD_FONT, sizeof(fontp), &fontp);
|
|
return (addr);
|
|
}
|
|
|
|
#ifdef LOADER_VERIEXEC_VECTX
|
|
#define VECTX_HANDLE(fd) vctx
|
|
#else
|
|
#define VECTX_HANDLE(fd) fd
|
|
#endif
|
|
|
|
|
|
/*
|
|
* We've been asked to load (fname) as (type), so just suck it in,
|
|
* no arguments or anything.
|
|
*/
|
|
struct preloaded_file *
|
|
file_loadraw(const char *fname, char *type, int insert)
|
|
{
|
|
struct preloaded_file *fp;
|
|
char *name;
|
|
int fd, got;
|
|
vm_offset_t laddr;
|
|
#ifdef LOADER_VERIEXEC_VECTX
|
|
struct vectx *vctx;
|
|
int verror;
|
|
#endif
|
|
|
|
TSENTER2(fname);
|
|
/* We can't load first */
|
|
if ((file_findfile(NULL, NULL)) == NULL) {
|
|
command_errmsg = "can't load file before kernel";
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
|
|
/* locate the file on the load path */
|
|
name = file_search(fname, NULL);
|
|
if (name == NULL) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"can't find '%s'", fname);
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
|
|
if ((fd = open(name, O_RDONLY)) < 0) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"can't open '%s': %s", name, strerror(errno));
|
|
free(name);
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
|
|
#ifdef LOADER_VERIEXEC_VECTX
|
|
vctx = vectx_open(fd, name, 0L, NULL, &verror, __func__);
|
|
if (verror) {
|
|
sprintf(command_errbuf, "can't verify '%s': %s",
|
|
name, ve_error_get());
|
|
free(name);
|
|
free(vctx);
|
|
close(fd);
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
#else
|
|
#ifdef LOADER_VERIEXEC
|
|
if (verify_file(fd, name, 0, VE_MUST, __func__) < 0) {
|
|
sprintf(command_errbuf, "can't verify '%s': %s",
|
|
name, ve_error_get());
|
|
free(name);
|
|
close(fd);
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
if (archsw.arch_loadaddr != NULL)
|
|
loadaddr = archsw.arch_loadaddr(LOAD_RAW, name, loadaddr);
|
|
|
|
if (module_verbose > MODULE_VERBOSE_SILENT)
|
|
printf("%s ", name);
|
|
|
|
laddr = loadaddr;
|
|
for (;;) {
|
|
/* read in 4k chunks; size is not really important */
|
|
got = archsw.arch_readin(VECTX_HANDLE(fd), laddr, 4096);
|
|
if (got == 0) /* end of file */
|
|
break;
|
|
if (got < 0) { /* error */
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"error reading '%s': %s", name, strerror(errno));
|
|
free(name);
|
|
close(fd);
|
|
#ifdef LOADER_VERIEXEC_VECTX
|
|
free(vctx);
|
|
#endif
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
laddr += got;
|
|
}
|
|
|
|
if (module_verbose > MODULE_VERBOSE_SILENT)
|
|
printf("size=%#jx\n", (uintmax_t)(laddr - loadaddr));
|
|
#ifdef LOADER_VERIEXEC_VECTX
|
|
verror = vectx_close(vctx, VE_MUST, __func__);
|
|
if (verror) {
|
|
free(name);
|
|
close(fd);
|
|
free(vctx);
|
|
TSEXIT();
|
|
return(NULL);
|
|
}
|
|
#endif
|
|
|
|
/* Looks OK so far; create & populate control structure */
|
|
fp = file_alloc();
|
|
if (fp == NULL) {
|
|
snprintf(command_errbuf, sizeof (command_errbuf),
|
|
"no memory to load %s", name);
|
|
free(name);
|
|
close(fd);
|
|
TSEXIT();
|
|
return (NULL);
|
|
}
|
|
fp->f_name = name;
|
|
fp->f_type = strdup(type);
|
|
fp->f_args = NULL;
|
|
fp->f_metadata = NULL;
|
|
fp->f_loader = -1;
|
|
fp->f_addr = loadaddr;
|
|
fp->f_size = laddr - loadaddr;
|
|
|
|
if (fp->f_type == NULL) {
|
|
snprintf(command_errbuf, sizeof (command_errbuf),
|
|
"no memory to load %s", name);
|
|
free(name);
|
|
close(fd);
|
|
TSEXIT();
|
|
return (NULL);
|
|
}
|
|
/* recognise space consumption */
|
|
loadaddr = laddr;
|
|
|
|
/* Add to the list of loaded files */
|
|
if (insert != 0)
|
|
file_insert_tail(fp);
|
|
close(fd);
|
|
TSEXIT();
|
|
return(fp);
|
|
}
|
|
|
|
/*
|
|
* Load the module (name), pass it (argc),(argv), add container file
|
|
* to the list of loaded files.
|
|
* If module is already loaded just assign new argc/argv.
|
|
*/
|
|
int
|
|
mod_load(char *modname, struct mod_depend *verinfo, int argc, char *argv[])
|
|
{
|
|
struct kernel_module *mp;
|
|
int err;
|
|
char *filename;
|
|
|
|
TSENTER2(modname);
|
|
if (file_havepath(modname)) {
|
|
printf("Warning: mod_load() called instead of mod_loadkld() for module '%s'\n", modname);
|
|
TSEXIT();
|
|
return (mod_loadkld(modname, argc, argv));
|
|
}
|
|
/* see if module is already loaded */
|
|
mp = file_findmodule(NULL, modname, verinfo);
|
|
if (mp) {
|
|
#ifdef moduleargs
|
|
free(mp->m_args);
|
|
mp->m_args = unargv(argc, argv);
|
|
#endif
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"warning: module '%s' already loaded", mp->m_name);
|
|
TSEXIT();
|
|
return (0);
|
|
}
|
|
/* locate file with the module on the search path */
|
|
filename = mod_searchmodule(modname, verinfo);
|
|
if (filename == NULL) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"can't find '%s'", modname);
|
|
TSEXIT();
|
|
return (ENOENT);
|
|
}
|
|
err = mod_loadkld(filename, argc, argv);
|
|
free(filename);
|
|
TSEXIT();
|
|
return (err);
|
|
}
|
|
|
|
/*
|
|
* Load specified KLD. If path is omitted, then try to locate it via
|
|
* search path.
|
|
*/
|
|
int
|
|
mod_loadkld(const char *kldname, int argc, char *argv[])
|
|
{
|
|
struct preloaded_file *fp;
|
|
int err;
|
|
char *filename;
|
|
vm_offset_t loadaddr_saved;
|
|
|
|
TSENTER2(kldname);
|
|
/*
|
|
* Get fully qualified KLD name
|
|
*/
|
|
filename = file_search(kldname, kld_ext_list);
|
|
if (filename == NULL) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"can't find '%s'", kldname);
|
|
TSEXIT();
|
|
return (ENOENT);
|
|
}
|
|
/*
|
|
* Check if KLD already loaded
|
|
*/
|
|
fp = file_findfile(filename, NULL);
|
|
if (fp) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"warning: KLD '%s' already loaded", filename);
|
|
free(filename);
|
|
TSEXIT();
|
|
return (0);
|
|
}
|
|
|
|
do {
|
|
err = file_load(filename, loadaddr, &fp);
|
|
if (err)
|
|
break;
|
|
fp->f_args = unargv(argc, argv);
|
|
loadaddr_saved = loadaddr;
|
|
loadaddr = fp->f_addr + fp->f_size;
|
|
file_insert_tail(fp); /* Add to the list of loaded files */
|
|
if (file_load_dependencies(fp) != 0) {
|
|
err = ENOENT;
|
|
file_remove(fp);
|
|
loadaddr = loadaddr_saved;
|
|
fp = NULL;
|
|
break;
|
|
}
|
|
} while(0);
|
|
if (err == EFTYPE) {
|
|
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
"don't know how to load module '%s'", filename);
|
|
}
|
|
if (err)
|
|
file_discard(fp);
|
|
free(filename);
|
|
TSEXIT();
|
|
return (err);
|
|
}
|
|
|
|
/*
|
|
* Find a file matching (name) and (type).
|
|
* NULL may be passed as a wildcard to either.
|
|
*/
|
|
struct preloaded_file *
|
|
file_findfile(const char *name, const char *type)
|
|
{
|
|
struct preloaded_file *fp;
|
|
|
|
for (fp = preloaded_files; fp != NULL; fp = fp->f_next) {
|
|
if (((name == NULL) || !strcmp(name, fp->f_name)) &&
|
|
((type == NULL) || !strcmp(type, fp->f_type)))
|
|
break;
|
|
}
|
|
return (fp);
|
|
}
|
|
|
|
/*
|
|
* Find a module matching (name) inside of given file.
|
|
* NULL may be passed as a wildcard.
|
|
*/
|
|
struct kernel_module *
|
|
file_findmodule(struct preloaded_file *fp, char *modname,
|
|
struct mod_depend *verinfo)
|
|
{
|
|
struct kernel_module *mp, *best;
|
|
int bestver, mver;
|
|
|
|
if (fp == NULL) {
|
|
for (fp = preloaded_files; fp; fp = fp->f_next) {
|
|
mp = file_findmodule(fp, modname, verinfo);
|
|
if (mp)
|
|
return (mp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
best = NULL;
|
|
bestver = 0;
|
|
for (mp = fp->f_modules; mp; mp = mp->m_next) {
|
|
if (strcmp(modname, mp->m_name) == 0) {
|
|
if (verinfo == NULL)
|
|
return (mp);
|
|
mver = mp->m_version;
|
|
if (mver == verinfo->md_ver_preferred)
|
|
return (mp);
|
|
if (mver >= verinfo->md_ver_minimum &&
|
|
mver <= verinfo->md_ver_maximum &&
|
|
mver > bestver) {
|
|
best = mp;
|
|
bestver = mver;
|
|
}
|
|
}
|
|
}
|
|
return (best);
|
|
}
|
|
/*
|
|
* Make a copy of (size) bytes of data from (p), and associate them as
|
|
* metadata of (type) to the module (mp).
|
|
*/
|
|
void
|
|
file_addmetadata(struct preloaded_file *fp, int type, size_t size, void *p)
|
|
{
|
|
struct file_metadata *md;
|
|
|
|
md = malloc(sizeof(struct file_metadata) - sizeof(md->md_data) + size);
|
|
if (md != NULL) {
|
|
md->md_size = size;
|
|
md->md_type = type;
|
|
bcopy(p, md->md_data, size);
|
|
md->md_next = fp->f_metadata;
|
|
}
|
|
fp->f_metadata = md;
|
|
}
|
|
|
|
/*
|
|
* Find a metadata object of (type) associated with the file (fp)
|
|
*/
|
|
struct file_metadata *
|
|
file_findmetadata(struct preloaded_file *fp, int type)
|
|
{
|
|
struct file_metadata *md;
|
|
|
|
for (md = fp->f_metadata; md != NULL; md = md->md_next)
|
|
if (md->md_type == type)
|
|
break;
|
|
return(md);
|
|
}
|
|
|
|
/*
|
|
* Remove all metadata from the file.
|
|
*/
|
|
void
|
|
file_removemetadata(struct preloaded_file *fp)
|
|
{
|
|
struct file_metadata *md, *next;
|
|
|
|
for (md = fp->f_metadata; md != NULL; md = next)
|
|
{
|
|
next = md->md_next;
|
|
free(md);
|
|
}
|
|
fp->f_metadata = NULL;
|
|
}
|
|
|
|
/*
|
|
* Add a buffer to the list of preloaded "files".
|
|
*/
|
|
int
|
|
file_addbuf(const char *name, const char *type, size_t len, void *buf)
|
|
{
|
|
struct preloaded_file *fp;
|
|
vm_offset_t dest;
|
|
|
|
/* We can't load first */
|
|
if ((file_findfile(NULL, NULL)) == NULL) {
|
|
command_errmsg = "can't load file before kernel";
|
|
return (-1);
|
|
}
|
|
|
|
/* Figure out where to load the data. */
|
|
dest = loadaddr;
|
|
if (archsw.arch_loadaddr != NULL)
|
|
dest = archsw.arch_loadaddr(LOAD_RAW, (void *)name, dest);
|
|
|
|
/* Create & populate control structure */
|
|
fp = file_alloc();
|
|
if (fp == NULL) {
|
|
snprintf(command_errbuf, sizeof (command_errbuf),
|
|
"no memory to load %s", name);
|
|
return (-1);
|
|
}
|
|
fp->f_name = strdup(name);
|
|
fp->f_type = strdup(type);
|
|
fp->f_args = NULL;
|
|
fp->f_metadata = NULL;
|
|
fp->f_loader = -1;
|
|
fp->f_addr = dest;
|
|
fp->f_size = len;
|
|
if ((fp->f_name == NULL) || (fp->f_type == NULL)) {
|
|
snprintf(command_errbuf, sizeof (command_errbuf),
|
|
"no memory to load %s", name);
|
|
free(fp->f_name);
|
|
free(fp->f_type);
|
|
return (-1);
|
|
}
|
|
|
|
/* Copy the data in. */
|
|
archsw.arch_copyin(buf, fp->f_addr, len);
|
|
loadaddr = fp->f_addr + len;
|
|
|
|
/* Add to the list of loaded files */
|
|
file_insert_tail(fp);
|
|
return(0);
|
|
}
|
|
|
|
struct file_metadata *
|
|
metadata_next(struct file_metadata *md, int type)
|
|
{
|
|
|
|
if (md == NULL)
|
|
return (NULL);
|
|
while((md = md->md_next) != NULL)
|
|
if (md->md_type == type)
|
|
break;
|
|
return (md);
|
|
}
|
|
|
|
static char *emptyextlist[] = { "", NULL };
|
|
|
|
/*
|
|
* Check if the given file is in place and return full path to it.
|
|
*/
|
|
static char *
|
|
file_lookup(const char *path, const char *name, int namelen, char **extlist)
|
|
{
|
|
struct stat st;
|
|
char *result, *cp, **cpp;
|
|
int pathlen, extlen, len;
|
|
|
|
pathlen = strlen(path);
|
|
extlen = 0;
|
|
if (extlist == NULL)
|
|
extlist = emptyextlist;
|
|
for (cpp = extlist; *cpp; cpp++) {
|
|
len = strlen(*cpp);
|
|
if (len > extlen)
|
|
extlen = len;
|
|
}
|
|
result = malloc(pathlen + namelen + extlen + 2);
|
|
if (result == NULL)
|
|
return (NULL);
|
|
bcopy(path, result, pathlen);
|
|
if (pathlen > 0 && result[pathlen - 1] != '/')
|
|
result[pathlen++] = '/';
|
|
cp = result + pathlen;
|
|
bcopy(name, cp, namelen);
|
|
cp += namelen;
|
|
for (cpp = extlist; *cpp; cpp++) {
|
|
strcpy(cp, *cpp);
|
|
if (stat(result, &st) == 0 && S_ISREG(st.st_mode))
|
|
return result;
|
|
}
|
|
free(result);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Check if file name have any qualifiers
|
|
*/
|
|
static int
|
|
file_havepath(const char *name)
|
|
{
|
|
const char *cp;
|
|
|
|
archsw.arch_getdev(NULL, name, &cp);
|
|
return (cp != name || strchr(name, '/') != NULL);
|
|
}
|
|
|
|
/*
|
|
* Attempt to find the file (name) on the module searchpath.
|
|
* If (name) is qualified in any way, we simply check it and
|
|
* return it or NULL. If it is not qualified, then we attempt
|
|
* to construct a path using entries in the environment variable
|
|
* module_path.
|
|
*
|
|
* The path we return a pointer to need never be freed, as we manage
|
|
* it internally.
|
|
*/
|
|
static char *
|
|
file_search(const char *name, char **extlist)
|
|
{
|
|
struct moduledir *mdp;
|
|
struct stat sb;
|
|
char *result;
|
|
int namelen;
|
|
|
|
/* Don't look for nothing */
|
|
if (name == NULL)
|
|
return(NULL);
|
|
|
|
if (*name == 0)
|
|
return(strdup(name));
|
|
|
|
if (file_havepath(name)) {
|
|
/* Qualified, so just see if it exists */
|
|
if (stat(name, &sb) == 0)
|
|
return(strdup(name));
|
|
return(NULL);
|
|
}
|
|
moduledir_rebuild();
|
|
result = NULL;
|
|
namelen = strlen(name);
|
|
STAILQ_FOREACH(mdp, &moduledir_list, d_link) {
|
|
result = file_lookup(mdp->d_path, name, namelen, extlist);
|
|
if (result)
|
|
break;
|
|
}
|
|
return(result);
|
|
}
|
|
|
|
#define INT_ALIGN(base, ptr) ptr = \
|
|
(base) + roundup2((ptr) - (base), sizeof(int))
|
|
|
|
static char *
|
|
mod_search_hints(struct moduledir *mdp, const char *modname,
|
|
struct mod_depend *verinfo)
|
|
{
|
|
u_char *cp, *recptr, *bufend, *best;
|
|
char *result;
|
|
int *intp, bestver, blen, clen, found, ival, modnamelen, reclen;
|
|
|
|
moduledir_readhints(mdp);
|
|
modnamelen = strlen(modname);
|
|
found = 0;
|
|
result = NULL;
|
|
bestver = 0;
|
|
if (mdp->d_hints == NULL)
|
|
goto bad;
|
|
recptr = mdp->d_hints;
|
|
bufend = recptr + mdp->d_hintsz;
|
|
clen = blen = 0;
|
|
best = cp = NULL;
|
|
while (recptr < bufend && !found) {
|
|
intp = (int*)recptr;
|
|
reclen = *intp++;
|
|
ival = *intp++;
|
|
cp = (u_char*)intp;
|
|
switch (ival) {
|
|
case MDT_VERSION:
|
|
clen = *cp++;
|
|
if (clen != modnamelen || bcmp(cp, modname, clen) != 0)
|
|
break;
|
|
cp += clen;
|
|
INT_ALIGN(mdp->d_hints, cp);
|
|
ival = *(int*)cp;
|
|
cp += sizeof(int);
|
|
clen = *cp++;
|
|
if (verinfo == NULL || ival == verinfo->md_ver_preferred) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
if (ival >= verinfo->md_ver_minimum &&
|
|
ival <= verinfo->md_ver_maximum &&
|
|
ival > bestver) {
|
|
bestver = ival;
|
|
best = cp;
|
|
blen = clen;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
recptr += reclen + sizeof(int);
|
|
}
|
|
/*
|
|
* Finally check if KLD is in the place
|
|
*/
|
|
if (found)
|
|
result = file_lookup(mdp->d_path, (const char *)cp, clen, NULL);
|
|
else if (best)
|
|
result = file_lookup(mdp->d_path, (const char *)best, blen, NULL);
|
|
bad:
|
|
/*
|
|
* If nothing found or hints is absent - fallback to the old way
|
|
* by using "kldname[.ko]" as module name.
|
|
*/
|
|
if (!found && !bestver && result == NULL)
|
|
result = file_lookup(mdp->d_path, modname, modnamelen, kld_ext_list);
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
getint(void **ptr)
|
|
{
|
|
int *p = *ptr;
|
|
int rv;
|
|
|
|
p = (int *)roundup2((intptr_t)p, sizeof(int));
|
|
rv = *p++;
|
|
*ptr = p;
|
|
return rv;
|
|
}
|
|
|
|
static void
|
|
getstr(void **ptr, char *val)
|
|
{
|
|
int *p = *ptr;
|
|
char *c = (char *)p;
|
|
int len = *(uint8_t *)c;
|
|
|
|
memcpy(val, c + 1, len);
|
|
val[len] = 0;
|
|
c += len + 1;
|
|
*ptr = (void *)c;
|
|
}
|
|
|
|
static int
|
|
pnpval_as_int(const char *val, const char *pnpinfo)
|
|
{
|
|
int rv;
|
|
char key[256];
|
|
char *cp;
|
|
|
|
if (pnpinfo == NULL)
|
|
return -1;
|
|
|
|
cp = strchr(val, ';');
|
|
key[0] = ' ';
|
|
if (cp == NULL)
|
|
strlcpy(key + 1, val, sizeof(key) - 1);
|
|
else {
|
|
memcpy(key + 1, val, cp - val);
|
|
key[cp - val + 1] = '\0';
|
|
}
|
|
strlcat(key, "=", sizeof(key));
|
|
if (strncmp(key + 1, pnpinfo, strlen(key + 1)) == 0)
|
|
rv = strtol(pnpinfo + strlen(key + 1), NULL, 0);
|
|
else {
|
|
cp = strstr(pnpinfo, key);
|
|
if (cp == NULL)
|
|
rv = -1;
|
|
else
|
|
rv = strtol(cp + strlen(key), NULL, 0);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
static void
|
|
quoted_strcpy(char *dst, const char *src)
|
|
{
|
|
char q = ' ';
|
|
|
|
if (*src == '\'' || *src == '"')
|
|
q = *src++;
|
|
while (*src && *src != q)
|
|
*dst++ = *src++; // XXX backtick quoting
|
|
*dst++ = '\0';
|
|
// XXX overflow
|
|
}
|
|
|
|
static char *
|
|
pnpval_as_str(const char *val, const char *pnpinfo)
|
|
{
|
|
static char retval[256];
|
|
char key[256];
|
|
char *cp;
|
|
|
|
if (pnpinfo == NULL) {
|
|
*retval = '\0';
|
|
return retval;
|
|
}
|
|
|
|
cp = strchr(val, ';');
|
|
key[0] = ' ';
|
|
if (cp == NULL)
|
|
strlcpy(key + 1, val, sizeof(key) - 1);
|
|
else {
|
|
memcpy(key + 1, val, cp - val);
|
|
key[cp - val + 1] = '\0';
|
|
}
|
|
strlcat(key, "=", sizeof(key));
|
|
if (strncmp(key + 1, pnpinfo, strlen(key + 1)) == 0)
|
|
quoted_strcpy(retval, pnpinfo + strlen(key + 1));
|
|
else {
|
|
cp = strstr(pnpinfo, key);
|
|
if (cp == NULL)
|
|
strcpy(retval, "MISSING");
|
|
else
|
|
quoted_strcpy(retval, cp + strlen(key));
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
static char *
|
|
devmatch_search_hints(struct moduledir *mdp, const char *bus, const char *dev, const char *pnpinfo)
|
|
{
|
|
char val1[256], val2[256];
|
|
int ival, len, ents, i, notme, mask, bit, v, found;
|
|
void *ptr, *walker, *hints_end;
|
|
char *lastmod = NULL, *cp, *s;
|
|
|
|
moduledir_readhints(mdp);
|
|
found = 0;
|
|
if (mdp->d_hints == NULL)
|
|
goto bad;
|
|
walker = mdp->d_hints;
|
|
hints_end = walker + mdp->d_hintsz;
|
|
while (walker < hints_end && !found) {
|
|
len = getint(&walker);
|
|
ival = getint(&walker);
|
|
ptr = walker;
|
|
switch (ival) {
|
|
case MDT_VERSION:
|
|
getstr(&ptr, val1);
|
|
ival = getint(&ptr);
|
|
getstr(&ptr, val2);
|
|
if (pnp_dump_flag || pnp_verbose_flag)
|
|
printf("Version: if %s.%d kmod %s\n", val1, ival, val2);
|
|
break;
|
|
case MDT_MODULE:
|
|
getstr(&ptr, val1);
|
|
getstr(&ptr, val2);
|
|
if (lastmod)
|
|
free(lastmod);
|
|
lastmod = strdup(val2);
|
|
if (pnp_dump_flag || pnp_verbose_flag)
|
|
printf("module %s in %s\n", val1, val1);
|
|
break;
|
|
case MDT_PNP_INFO:
|
|
if (!pnp_dump_flag && !pnp_unbound_flag && lastmod && strcmp(lastmod, "kernel") == 0)
|
|
break;
|
|
getstr(&ptr, val1);
|
|
getstr(&ptr, val2);
|
|
ents = getint(&ptr);
|
|
if (pnp_dump_flag || pnp_verbose_flag)
|
|
printf("PNP info for bus %s format %s %d entries (%s)\n",
|
|
val1, val2, ents, lastmod);
|
|
if (strcmp(val1, "usb") == 0) {
|
|
if (pnp_verbose_flag)
|
|
printf("Treating usb as uhub -- bug in source table still?\n");
|
|
strcpy(val1, "uhub");
|
|
}
|
|
if (bus && strcmp(val1, bus) != 0) {
|
|
if (pnp_verbose_flag)
|
|
printf("Skipped because table for bus %s, looking for %s\n",
|
|
val1, bus);
|
|
break;
|
|
}
|
|
for (i = 0; i < ents; i++) {
|
|
if (pnp_verbose_flag)
|
|
printf("---------- Entry %d ----------\n", i);
|
|
if (pnp_dump_flag)
|
|
printf(" ");
|
|
cp = val2;
|
|
notme = 0;
|
|
mask = -1;
|
|
bit = -1;
|
|
do {
|
|
switch (*cp) {
|
|
/* All integer fields */
|
|
case 'I':
|
|
case 'J':
|
|
case 'G':
|
|
case 'L':
|
|
case 'M':
|
|
ival = getint(&ptr);
|
|
if (pnp_dump_flag) {
|
|
printf("%#x:", ival);
|
|
break;
|
|
}
|
|
if (bit >= 0 && ((1 << bit) & mask) == 0)
|
|
break;
|
|
v = pnpval_as_int(cp + 2, pnpinfo);
|
|
if (pnp_verbose_flag)
|
|
printf("Matching %s (%c) table=%#x tomatch=%#x\n",
|
|
cp + 2, *cp, v, ival);
|
|
switch (*cp) {
|
|
case 'J':
|
|
if (ival == -1)
|
|
break;
|
|
/*FALLTHROUGH*/
|
|
case 'I':
|
|
if (v != ival)
|
|
notme++;
|
|
break;
|
|
case 'G':
|
|
if (v < ival)
|
|
notme++;
|
|
break;
|
|
case 'L':
|
|
if (v > ival)
|
|
notme++;
|
|
break;
|
|
case 'M':
|
|
mask = ival;
|
|
break;
|
|
}
|
|
break;
|
|
/* String fields */
|
|
case 'D':
|
|
case 'Z':
|
|
getstr(&ptr, val1);
|
|
if (pnp_dump_flag) {
|
|
printf("'%s':", val1);
|
|
break;
|
|
}
|
|
if (*cp == 'D')
|
|
break;
|
|
s = pnpval_as_str(cp + 2, pnpinfo);
|
|
if (strcmp(s, val1) != 0)
|
|
notme++;
|
|
break;
|
|
/* Key override fields, required to be last in the string */
|
|
case 'T':
|
|
/*
|
|
* This is imperfect and only does one key and will be redone
|
|
* to be more general for multiple keys. Currently, nothing
|
|
* does that.
|
|
*/
|
|
if (pnp_dump_flag) /* No per-row data stored */
|
|
break;
|
|
if (cp[strlen(cp) - 1] == ';') /* Skip required ; at end */
|
|
cp[strlen(cp) - 1] = '\0'; /* in case it's not there */
|
|
if ((s = strstr(pnpinfo, cp + 2)) == NULL)
|
|
notme++;
|
|
else if (s > pnpinfo && s[-1] != ' ')
|
|
notme++;
|
|
break;
|
|
default:
|
|
printf("Unknown field type %c\n:", *cp);
|
|
break;
|
|
}
|
|
bit++;
|
|
cp = strchr(cp, ';');
|
|
if (cp)
|
|
cp++;
|
|
} while (cp && *cp);
|
|
if (pnp_dump_flag)
|
|
printf("\n");
|
|
else if (!notme) {
|
|
if (!pnp_unbound_flag) {
|
|
if (pnp_verbose_flag)
|
|
printf("Matches --- %s ---\n", lastmod);
|
|
}
|
|
found++;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
walker = (void *)(len - sizeof(int) + (intptr_t)walker);
|
|
}
|
|
if (pnp_unbound_flag && found == 0 && *pnpinfo) {
|
|
if (pnp_verbose_flag)
|
|
printf("------------------------- ");
|
|
printf("%s on %s pnpinfo %s", *dev ? dev : "unattached", bus, pnpinfo);
|
|
if (pnp_verbose_flag)
|
|
printf(" -------------------------");
|
|
printf("\n");
|
|
}
|
|
if (found != 0)
|
|
return (lastmod);
|
|
free(lastmod);
|
|
|
|
bad:
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Attempt to locate the file containing the module (name)
|
|
*/
|
|
static char *
|
|
mod_searchmodule(char *name, struct mod_depend *verinfo)
|
|
{
|
|
struct moduledir *mdp;
|
|
char *result;
|
|
|
|
moduledir_rebuild();
|
|
/*
|
|
* Now we ready to lookup module in the given directories
|
|
*/
|
|
result = NULL;
|
|
STAILQ_FOREACH(mdp, &moduledir_list, d_link) {
|
|
result = mod_search_hints(mdp, name, verinfo);
|
|
if (result)
|
|
break;
|
|
}
|
|
|
|
return(result);
|
|
}
|
|
|
|
static char *
|
|
mod_searchmodule_pnpinfo(const char *bus, const char *pnpinfo)
|
|
{
|
|
struct moduledir *mdp;
|
|
char *result;
|
|
|
|
moduledir_rebuild();
|
|
/*
|
|
* Now we ready to lookup module in the given directories
|
|
*/
|
|
result = NULL;
|
|
STAILQ_FOREACH(mdp, &moduledir_list, d_link) {
|
|
result = devmatch_search_hints(mdp, bus, NULL, pnpinfo);
|
|
if (result)
|
|
break;
|
|
}
|
|
|
|
return(result);
|
|
}
|
|
|
|
int
|
|
file_addmodule(struct preloaded_file *fp, char *modname, int version,
|
|
struct kernel_module **newmp)
|
|
{
|
|
struct kernel_module *mp;
|
|
struct mod_depend mdepend;
|
|
|
|
bzero(&mdepend, sizeof(mdepend));
|
|
mdepend.md_ver_preferred = version;
|
|
mp = file_findmodule(fp, modname, &mdepend);
|
|
if (mp)
|
|
return (EEXIST);
|
|
mp = calloc(1, sizeof(struct kernel_module));
|
|
if (mp == NULL)
|
|
return (ENOMEM);
|
|
mp->m_name = strdup(modname);
|
|
if (mp->m_name == NULL) {
|
|
free(mp);
|
|
return (ENOMEM);
|
|
}
|
|
mp->m_version = version;
|
|
mp->m_fp = fp;
|
|
mp->m_next = fp->f_modules;
|
|
fp->f_modules = mp;
|
|
if (newmp)
|
|
*newmp = mp;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Throw a file away
|
|
*/
|
|
void
|
|
file_discard(struct preloaded_file *fp)
|
|
{
|
|
struct file_metadata *md, *md1;
|
|
struct kernel_module *mp, *mp1;
|
|
if (fp == NULL)
|
|
return;
|
|
md = fp->f_metadata;
|
|
while (md) {
|
|
md1 = md;
|
|
md = md->md_next;
|
|
free(md1);
|
|
}
|
|
mp = fp->f_modules;
|
|
while (mp) {
|
|
free(mp->m_name);
|
|
mp1 = mp;
|
|
mp = mp->m_next;
|
|
free(mp1);
|
|
}
|
|
free(fp->f_name);
|
|
free(fp->f_type);
|
|
free(fp->f_args);
|
|
free(fp);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new file; must be used instead of malloc()
|
|
* to ensure safe initialisation.
|
|
*/
|
|
struct preloaded_file *
|
|
file_alloc(void)
|
|
{
|
|
|
|
return (calloc(1, sizeof(struct preloaded_file)));
|
|
}
|
|
|
|
/*
|
|
* Add a module to the chain
|
|
*/
|
|
static void
|
|
file_insert_tail(struct preloaded_file *fp)
|
|
{
|
|
struct preloaded_file *cm;
|
|
|
|
/* Append to list of loaded file */
|
|
fp->f_next = NULL;
|
|
if (preloaded_files == NULL) {
|
|
preloaded_files = fp;
|
|
} else {
|
|
for (cm = preloaded_files; cm->f_next != NULL; cm = cm->f_next)
|
|
;
|
|
cm->f_next = fp;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Remove module from the chain
|
|
*/
|
|
static void
|
|
file_remove(struct preloaded_file *fp)
|
|
{
|
|
struct preloaded_file *cm;
|
|
|
|
if (preloaded_files == NULL)
|
|
return;
|
|
|
|
if (preloaded_files == fp) {
|
|
preloaded_files = fp->f_next;
|
|
return;
|
|
}
|
|
for (cm = preloaded_files; cm->f_next != NULL; cm = cm->f_next) {
|
|
if (cm->f_next == fp) {
|
|
cm->f_next = fp->f_next;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *
|
|
moduledir_fullpath(struct moduledir *mdp, const char *fname)
|
|
{
|
|
char *cp;
|
|
|
|
cp = malloc(strlen(mdp->d_path) + strlen(fname) + 2);
|
|
if (cp == NULL)
|
|
return NULL;
|
|
strcpy(cp, mdp->d_path);
|
|
strcat(cp, "/");
|
|
strcat(cp, fname);
|
|
return (cp);
|
|
}
|
|
|
|
/*
|
|
* Read linker.hints file into memory performing some sanity checks.
|
|
*/
|
|
static void
|
|
moduledir_readhints(struct moduledir *mdp)
|
|
{
|
|
struct stat st;
|
|
char *path;
|
|
int fd, size, version;
|
|
|
|
if (mdp->d_hints != NULL || (mdp->d_flags & MDIR_NOHINTS))
|
|
return;
|
|
path = moduledir_fullpath(mdp, "linker.hints");
|
|
if (stat(path, &st) != 0 ||
|
|
st.st_size < (ssize_t)(sizeof(version) + sizeof(int)) ||
|
|
st.st_size > LINKER_HINTS_MAX || (fd = open(path, O_RDONLY)) < 0) {
|
|
free(path);
|
|
mdp->d_flags |= MDIR_NOHINTS;
|
|
return;
|
|
}
|
|
free(path);
|
|
size = read(fd, &version, sizeof(version));
|
|
if (size != sizeof(version) || version != LINKER_HINTS_VERSION)
|
|
goto bad;
|
|
size = st.st_size - size;
|
|
mdp->d_hints = malloc(size);
|
|
if (mdp->d_hints == NULL)
|
|
goto bad;
|
|
if (read(fd, mdp->d_hints, size) != size)
|
|
goto bad;
|
|
mdp->d_hintsz = size;
|
|
close(fd);
|
|
return;
|
|
bad:
|
|
close(fd);
|
|
free(mdp->d_hints);
|
|
mdp->d_hints = NULL;
|
|
mdp->d_flags |= MDIR_NOHINTS;
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Extract directories from the ';' separated list, remove duplicates.
|
|
*/
|
|
static void
|
|
moduledir_rebuild(void)
|
|
{
|
|
struct moduledir *mdp, *mtmp;
|
|
const char *path, *cp, *ep;
|
|
size_t cplen;
|
|
|
|
path = getenv("module_path");
|
|
if (path == NULL)
|
|
path = default_searchpath;
|
|
/*
|
|
* Rebuild list of module directories if it changed
|
|
*/
|
|
STAILQ_FOREACH(mdp, &moduledir_list, d_link)
|
|
mdp->d_flags |= MDIR_REMOVED;
|
|
|
|
for (ep = path; *ep != 0; ep++) {
|
|
cp = ep;
|
|
for (; *ep != 0 && *ep != ';'; ep++)
|
|
;
|
|
/*
|
|
* Ignore trailing slashes
|
|
*/
|
|
for (cplen = ep - cp; cplen > 1 && cp[cplen - 1] == '/'; cplen--)
|
|
;
|
|
STAILQ_FOREACH(mdp, &moduledir_list, d_link) {
|
|
if (strlen(mdp->d_path) != cplen || bcmp(cp, mdp->d_path, cplen) != 0)
|
|
continue;
|
|
mdp->d_flags &= ~MDIR_REMOVED;
|
|
break;
|
|
}
|
|
if (mdp == NULL) {
|
|
mdp = malloc(sizeof(*mdp) + cplen + 1);
|
|
if (mdp == NULL)
|
|
return;
|
|
mdp->d_path = (char*)(mdp + 1);
|
|
bcopy(cp, mdp->d_path, cplen);
|
|
mdp->d_path[cplen] = 0;
|
|
mdp->d_hints = NULL;
|
|
mdp->d_flags = 0;
|
|
STAILQ_INSERT_TAIL(&moduledir_list, mdp, d_link);
|
|
}
|
|
if (*ep == 0)
|
|
break;
|
|
}
|
|
/*
|
|
* Delete unused directories if any
|
|
*/
|
|
mdp = STAILQ_FIRST(&moduledir_list);
|
|
while (mdp) {
|
|
if ((mdp->d_flags & MDIR_REMOVED) == 0) {
|
|
mdp = STAILQ_NEXT(mdp, d_link);
|
|
} else {
|
|
free(mdp->d_hints);
|
|
mtmp = mdp;
|
|
mdp = STAILQ_NEXT(mdp, d_link);
|
|
STAILQ_REMOVE(&moduledir_list, mtmp, moduledir, d_link);
|
|
free(mtmp);
|
|
}
|
|
}
|
|
return;
|
|
}
|