Merge branches 'cache-l2x0', 'fixes', 'hdrs', 'misc', 'mmci', 'vic' and 'warnings' into for-next

This commit is contained in:
Russell King
2012-12-11 00:20:18 +00:00
1701 changed files with 22639 additions and 16370 deletions

View File

@@ -5,7 +5,7 @@
# and for each file listed in this file with generic-y creates
# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)
kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild
kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild
-include $(kbuild-file)
include scripts/Kbuild.include

View File

@@ -27,7 +27,7 @@ endif
installed-mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(mod-fw))
installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all))
installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/.
installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/./
# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work.
PHONY += $(INSTALL_FW_PATH)/$$(%) install-all-dirs
@@ -42,7 +42,7 @@ quiet_cmd_install = INSTALL $(subst $(srctree)/,,$@)
$(installed-fw-dirs):
$(call cmd,mkdir)
$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $$(dir $(INSTALL_FW_PATH)/%)
$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $(INSTALL_FW_PATH)/$$(dir %)
$(call cmd,install)
PHONY += __fw_install __fw_modinst FORCE

View File

@@ -16,8 +16,9 @@ PHONY += $(modules)
__modinst: $(modules)
@:
# Don't stop modules_install if we can't sign external modules.
quiet_cmd_modules_install = INSTALL $@
cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@)
cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD))
# Modules built outside the kernel source tree go into extra by default
INSTALL_MOD_DIR ?= extra

View File

@@ -14,8 +14,7 @@
# 3) create one <module>.mod.c file pr. module
# 4) create one Module.symvers file with CRC for all exported symbols
# 5) compile all <module>.mod.c files
# 6) final link of the module to a <module.ko> (or <module.unsigned>) file
# 7) signs the modules to a <module.ko> file
# 6) final link of the module to a <module.ko> file
# Step 3 is used to place certain information in the module's ELF
# section, including information such as:
@@ -33,8 +32,6 @@
# Step 4 is solely used to allow module versioning in external modules,
# where the CRC of each module is retrieved from the Module.symvers file.
# Step 7 is dependent on CONFIG_MODULE_SIG being enabled.
# KBUILD_MODPOST_WARN can be set to avoid error out in case of undefined
# symbols in the final module linking stage
# KBUILD_MODPOST_NOFINAL can be set to skip the final link of modules.
@@ -119,7 +116,6 @@ $(modules:.ko=.mod.o): %.mod.o: %.mod.c FORCE
targets += $(modules:.ko=.mod.o)
# Step 6), final link of the modules
ifneq ($(CONFIG_MODULE_SIG),y)
quiet_cmd_ld_ko_o = LD [M] $@
cmd_ld_ko_o = $(LD) -r $(LDFLAGS) \
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
@@ -129,78 +125,7 @@ $(modules): %.ko :%.o %.mod.o FORCE
$(call if_changed,ld_ko_o)
targets += $(modules)
else
quiet_cmd_ld_ko_unsigned_o = LD [M] $@
cmd_ld_ko_unsigned_o = \
$(LD) -r $(LDFLAGS) \
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
-o $@ $(filter-out FORCE,$^) \
$(if $(AFTER_LINK),; $(AFTER_LINK))
$(modules:.ko=.ko.unsigned): %.ko.unsigned :%.o %.mod.o FORCE
$(call if_changed,ld_ko_unsigned_o)
targets += $(modules:.ko=.ko.unsigned)
# Step 7), sign the modules
MODSECKEY = ./signing_key.priv
MODPUBKEY = ./signing_key.x509
ifeq ($(wildcard $(MODSECKEY))+$(wildcard $(MODPUBKEY)),$(MODSECKEY)+$(MODPUBKEY))
ifeq ($(KBUILD_SRC),)
# no O= is being used
SCRIPTS_DIR := scripts
else
SCRIPTS_DIR := $(KBUILD_SRC)/scripts
endif
SIGN_MODULES := 1
else
SIGN_MODULES := 0
endif
# only sign if it's an in-tree module
ifneq ($(KBUILD_EXTMOD),)
SIGN_MODULES := 0
endif
# We strip the module as best we can - note that using both strip and eu-strip
# results in a smaller module than using either alone.
EU_STRIP = $(shell which eu-strip || echo true)
quiet_cmd_sign_ko_stripped_ko_unsigned = STRIP [M] $@
cmd_sign_ko_stripped_ko_unsigned = \
cp $< $@ && \
strip -x -g $@ && \
$(EU_STRIP) $@
ifeq ($(SIGN_MODULES),1)
quiet_cmd_genkeyid = GENKEYID $@
cmd_genkeyid = \
perl $(SCRIPTS_DIR)/x509keyid $< $<.signer $<.keyid
%.signer %.keyid: %
$(call if_changed,genkeyid)
KEYRING_DEP := $(MODSECKEY) $(MODPUBKEY) $(MODPUBKEY).signer $(MODPUBKEY).keyid
quiet_cmd_sign_ko_ko_stripped = SIGN [M] $@
cmd_sign_ko_ko_stripped = \
sh $(SCRIPTS_DIR)/sign-file $(MODSECKEY) $(MODPUBKEY) $< $@
else
KEYRING_DEP :=
quiet_cmd_sign_ko_ko_unsigned = NO SIGN [M] $@
cmd_sign_ko_ko_unsigned = \
cp $< $@
endif
$(modules): %.ko :%.ko.stripped $(KEYRING_DEP) FORCE
$(call if_changed,sign_ko_ko_stripped)
$(patsubst %.ko,%.ko.stripped,$(modules)): %.ko.stripped :%.ko.unsigned FORCE
$(call if_changed,sign_ko_stripped_ko_unsigned)
targets += $(modules)
endif
# Add FORCE to the prequisites of a target to force it to be always rebuilt.
# ---------------------------------------------------------------------------

View File

@@ -1890,8 +1890,10 @@ sub process {
}
if ($realfile =~ m@^(drivers/net/|net/)@ &&
$rawline !~ m@^\+[ \t]*(\/\*|\*\/)@ &&
$rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) {
$rawline !~ m@^\+[ \t]*\*/[ \t]*$@ && #trailing */
$rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ && #inline /*...*/
$rawline !~ m@^\+.*\*{2,}/[ \t]*$@ && #trailing **/
$rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { #non blank */
WARN("NETWORKING_BLOCK_COMMENT_STYLE",
"networking block comments put the trailing */ on a separate line\n" . $herecurr);
}

View File

@@ -161,51 +161,27 @@ struct node {
struct label *labels;
};
static inline struct label *for_each_label_next(struct label *l)
{
do {
l = l->next;
} while (l && l->deleted);
return l;
}
#define for_each_label(l0, l) \
for ((l) = (l0); (l); (l) = for_each_label_next(l))
#define for_each_label_withdel(l0, l) \
for ((l) = (l0); (l); (l) = (l)->next)
static inline struct property *for_each_property_next(struct property *p)
{
do {
p = p->next;
} while (p && p->deleted);
return p;
}
#define for_each_property(n, p) \
for ((p) = (n)->proplist; (p); (p) = for_each_property_next(p))
#define for_each_label(l0, l) \
for_each_label_withdel(l0, l) \
if (!(l)->deleted)
#define for_each_property_withdel(n, p) \
for ((p) = (n)->proplist; (p); (p) = (p)->next)
static inline struct node *for_each_child_next(struct node *c)
{
do {
c = c->next_sibling;
} while (c && c->deleted);
return c;
}
#define for_each_child(n, c) \
for ((c) = (n)->children; (c); (c) = for_each_child_next(c))
#define for_each_property(n, p) \
for_each_property_withdel(n, p) \
if (!(p)->deleted)
#define for_each_child_withdel(n, c) \
for ((c) = (n)->children; (c); (c) = (c)->next_sibling)
#define for_each_child(n, c) \
for_each_child_withdel(n, c) \
if (!(c)->deleted)
void add_label(struct label **labels, char *label);
void delete_labels(struct label **labels);

View File

@@ -42,6 +42,9 @@ foreach my $filename (@files) {
$line =~ s/(^|\s)(inline)\b/$1__$2__/g;
$line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g;
$line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g;
$line =~ s/#ifndef _UAPI/#ifndef /;
$line =~ s/#define _UAPI/#define /;
$line =~ s!#endif /[*] _UAPI!#endif /* !;
printf {$out} "%s", $line;
}
close $out;

View File

@@ -12,7 +12,7 @@ extern "C" {
#include <assert.h>
#include <stdio.h>
#include <sys/queue.h>
#include "list.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
@@ -175,12 +175,11 @@ struct menu {
#define MENU_ROOT 0x0002
struct jump_key {
CIRCLEQ_ENTRY(jump_key) entries;
struct list_head entries;
size_t offset;
struct menu *target;
int index;
};
CIRCLEQ_HEAD(jk_head, jump_key);
#define JUMP_NB 9

91
scripts/kconfig/list.h Normal file
View File

@@ -0,0 +1,91 @@
#ifndef LIST_H
#define LIST_H
/*
* Copied from include/linux/...
*/
#undef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
/**
* container_of - cast a member of a structure out to the containing structure
* @ptr: the pointer to the member.
* @type: the type of the container struct this is embedded in.
* @member: the name of the member within the struct.
*
*/
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
struct list_head {
struct list_head *next, *prev;
};
#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) \
struct list_head name = LIST_HEAD_INIT(name)
/**
* list_entry - get the struct for this entry
* @ptr: the &struct list_head pointer.
* @type: the type of the struct this is embedded in.
* @member: the name of the list_struct within the struct.
*/
#define list_entry(ptr, type, member) \
container_of(ptr, type, member)
/**
* list_for_each_entry - iterate over list of given type
* @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
*/
#define list_for_each_entry(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member); \
&pos->member != (head); \
pos = list_entry(pos->member.next, typeof(*pos), member))
/**
* list_empty - tests whether a list is empty
* @head: the list to test.
*/
static inline int list_empty(const struct list_head *head)
{
return head->next == head;
}
/*
* Insert a new entry between two known consecutive entries.
*
* This is only for internal list manipulation where we know
* the prev/next entries already!
*/
static inline void __list_add(struct list_head *_new,
struct list_head *prev,
struct list_head *next)
{
next->prev = _new;
_new->next = next;
_new->prev = prev;
prev->next = _new;
}
/**
* list_add_tail - add a new entry
* @new: new entry to be added
* @head: list head to add it before
*
* Insert a new entry before the specified head.
* This is useful for implementing queues.
*/
static inline void list_add_tail(struct list_head *_new, struct list_head *head)
{
__list_add(_new, head->prev, head);
}
#endif

View File

@@ -21,9 +21,9 @@ P(menu_get_root_menu,struct menu *,(struct menu *menu));
P(menu_get_parent_menu,struct menu *,(struct menu *menu));
P(menu_has_help,bool,(struct menu *menu));
P(menu_get_help,const char *,(struct menu *menu));
P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head
P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head
*head));
P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head
P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head
*head));
P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));

View File

@@ -312,7 +312,7 @@ static void set_config_filename(const char *config_filename)
struct search_data {
struct jk_head *head;
struct list_head *head;
struct menu **targets;
int *keys;
};
@@ -323,7 +323,7 @@ static void update_text(char *buf, size_t start, size_t end, void *_data)
struct jump_key *pos;
int k = 0;
CIRCLEQ_FOREACH(pos, data->head, entries) {
list_for_each_entry(pos, data->head, entries) {
if (pos->offset >= start && pos->offset < end) {
char header[4];
@@ -375,7 +375,7 @@ again:
sym_arr = sym_re_search(dialog_input);
do {
struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head);
LIST_HEAD(head);
struct menu *targets[JUMP_NB];
int keys[JUMP_NB + 1], i;
struct search_data data = {

View File

@@ -508,7 +508,7 @@ const char *menu_get_help(struct menu *menu)
}
static void get_prompt_str(struct gstr *r, struct property *prop,
struct jk_head *head)
struct list_head *head)
{
int i, j;
struct menu *submenu[8], *menu, *location = NULL;
@@ -544,12 +544,13 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
} else
jump->target = location;
if (CIRCLEQ_EMPTY(head))
if (list_empty(head))
jump->index = 0;
else
jump->index = CIRCLEQ_LAST(head)->index + 1;
jump->index = list_entry(head->prev, struct jump_key,
entries)->index + 1;
CIRCLEQ_INSERT_TAIL(head, jump, entries);
list_add_tail(&jump->entries, head);
}
if (i > 0) {
@@ -573,7 +574,8 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
/*
* head is optional and may be NULL
*/
void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head)
void get_symbol_str(struct gstr *r, struct symbol *sym,
struct list_head *head)
{
bool hit;
struct property *prop;
@@ -612,7 +614,7 @@ void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head)
str_append(r, "\n\n");
}
struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head)
struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head)
{
struct symbol *sym;
struct gstr res = str_new();

484
scripts/sign-file Normal file → Executable file
View File

@@ -1,115 +1,429 @@
#!/bin/sh
#!/usr/bin/perl -w
#
# Sign a module file using the given key.
#
# Format: sign-file <key> <x509> <src-file> <dst-file>
# Format:
#
# ./scripts/sign-file [-v] <key> <x509> <module> [<dest>]
#
#
use strict;
use FileHandle;
use IPC::Open2;
scripts=`dirname $0`
my $verbose = 0;
if ($#ARGV >= 0 && $ARGV[0] eq "-v") {
$verbose = 1;
shift;
}
CONFIG_MODULE_SIG_SHA512=y
if [ -r .config ]
then
. ./.config
fi
die "Format: ./scripts/sign-file [-v] <key> <x509> <module> [<dest>]\n"
if ($#ARGV != 2 && $#ARGV != 3);
key="$1"
x509="$2"
src="$3"
dst="$4"
my $private_key = $ARGV[0];
my $x509 = $ARGV[1];
my $module = $ARGV[2];
my $dest = ($#ARGV == 3) ? $ARGV[3] : $ARGV[2] . "~";
if [ ! -r "$key" ]
then
echo "Can't read private key" >&2
exit 2
fi
die "Can't read private key\n" unless (-r $private_key);
die "Can't read X.509 certificate\n" unless (-r $x509);
die "Can't read module\n" unless (-r $module);
if [ ! -r "$x509" ]
then
echo "Can't read X.509 certificate" >&2
exit 2
fi
if [ ! -r "$x509.signer" ]
then
echo "Can't read Signer name" >&2
exit 2;
fi
if [ ! -r "$x509.keyid" ]
then
echo "Can't read Key identifier" >&2
exit 2;
fi
#
# Read the kernel configuration
#
my %config = (
CONFIG_MODULE_SIG_SHA512 => 1
);
if (-r ".config") {
open(FD, "<.config") || die ".config";
while (<FD>) {
if ($_ =~ /^(CONFIG_.*)=[ym]/) {
$config{$1} = 1;
}
}
close(FD);
}
#
# Function to read the contents of a file into a variable.
#
sub read_file($)
{
my ($file) = @_;
my $contents;
my $len;
open(FD, "<$file") || die $file;
binmode FD;
my @st = stat(FD);
die $file if (!@st);
$len = read(FD, $contents, $st[7]) || die $file;
close(FD) || die $file;
die "$file: Wanted length ", $st[7], ", got ", $len, "\n"
if ($len != $st[7]);
return $contents;
}
###############################################################################
#
# First of all, we have to parse the X.509 certificate to find certain details
# about it.
#
# We read the DER-encoded X509 certificate and parse it to extract the Subject
# name and Subject Key Identifier. Theis provides the data we need to build
# the certificate identifier.
#
# The signer's name part of the identifier is fabricated from the commonName,
# the organizationName or the emailAddress components of the X.509 subject
# name.
#
# The subject key ID is used to select which of that signer's certificates
# we're intending to use to sign the module.
#
###############################################################################
my $x509_certificate = read_file($x509);
my $UNIV = 0 << 6;
my $APPL = 1 << 6;
my $CONT = 2 << 6;
my $PRIV = 3 << 6;
my $CONS = 0x20;
my $BOOLEAN = 0x01;
my $INTEGER = 0x02;
my $BIT_STRING = 0x03;
my $OCTET_STRING = 0x04;
my $NULL = 0x05;
my $OBJ_ID = 0x06;
my $UTF8String = 0x0c;
my $SEQUENCE = 0x10;
my $SET = 0x11;
my $UTCTime = 0x17;
my $GeneralizedTime = 0x18;
my %OIDs = (
pack("CCC", 85, 4, 3) => "commonName",
pack("CCC", 85, 4, 6) => "countryName",
pack("CCC", 85, 4, 10) => "organizationName",
pack("CCC", 85, 4, 11) => "organizationUnitName",
pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 1, 1) => "rsaEncryption",
pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 1, 5) => "sha1WithRSAEncryption",
pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 9, 1) => "emailAddress",
pack("CCC", 85, 29, 35) => "authorityKeyIdentifier",
pack("CCC", 85, 29, 14) => "subjectKeyIdentifier",
pack("CCC", 85, 29, 19) => "basicConstraints"
);
###############################################################################
#
# Extract an ASN.1 element from a string and return information about it.
#
###############################################################################
sub asn1_extract($$@)
{
my ($cursor, $expected_tag, $optional) = @_;
return [ -1 ]
if ($cursor->[1] == 0 && $optional);
die $x509, ": ", $cursor->[0], ": ASN.1 data underrun (elem ", $cursor->[1], ")\n"
if ($cursor->[1] < 2);
my ($tag, $len) = unpack("CC", substr(${$cursor->[2]}, $cursor->[0], 2));
if ($expected_tag != -1 && $tag != $expected_tag) {
return [ -1 ]
if ($optional);
die $x509, ": ", $cursor->[0], ": ASN.1 unexpected tag (", $tag,
" not ", $expected_tag, ")\n";
}
$cursor->[0] += 2;
$cursor->[1] -= 2;
die $x509, ": ", $cursor->[0], ": ASN.1 long tag\n"
if (($tag & 0x1f) == 0x1f);
die $x509, ": ", $cursor->[0], ": ASN.1 indefinite length\n"
if ($len == 0x80);
if ($len > 0x80) {
my $l = $len - 0x80;
die $x509, ": ", $cursor->[0], ": ASN.1 data underrun (len len $l)\n"
if ($cursor->[1] < $l);
if ($l == 0x1) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1));
} elsif ($l == 0x2) {
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0], 2));
} elsif ($l == 0x3) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1)) << 16;
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0] + 1, 2));
} elsif ($l == 0x4) {
$len = unpack("N", substr(${$cursor->[2]}, $cursor->[0], 4));
} else {
die $x509, ": ", $cursor->[0], ": ASN.1 element too long (", $l, ")\n";
}
$cursor->[0] += $l;
$cursor->[1] -= $l;
}
die $x509, ": ", $cursor->[0], ": ASN.1 data underrun (", $len, ")\n"
if ($cursor->[1] < $len);
my $ret = [ $tag, [ $cursor->[0], $len, $cursor->[2] ] ];
$cursor->[0] += $len;
$cursor->[1] -= $len;
return $ret;
}
###############################################################################
#
# Retrieve the data referred to by a cursor
#
###############################################################################
sub asn1_retrieve($)
{
my ($cursor) = @_;
my ($offset, $len, $data) = @$cursor;
return substr($$data, $offset, $len);
}
###############################################################################
#
# Roughly parse the X.509 certificate
#
###############################################################################
my $cursor = [ 0, length($x509_certificate), \$x509_certificate ];
my $cert = asn1_extract($cursor, $UNIV | $CONS | $SEQUENCE);
my $tbs = asn1_extract($cert->[1], $UNIV | $CONS | $SEQUENCE);
my $version = asn1_extract($tbs->[1], $CONT | $CONS | 0, 1);
my $serial_number = asn1_extract($tbs->[1], $UNIV | $INTEGER);
my $sig_type = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $issuer = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $validity = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $subject = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $key = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $issuer_uid = asn1_extract($tbs->[1], $CONT | $CONS | 1, 1);
my $subject_uid = asn1_extract($tbs->[1], $CONT | $CONS | 2, 1);
my $extension_list = asn1_extract($tbs->[1], $CONT | $CONS | 3, 1);
my $subject_key_id = ();
my $authority_key_id = ();
#
# Parse the extension list
#
if ($extension_list->[0] != -1) {
my $extensions = asn1_extract($extension_list->[1], $UNIV | $CONS | $SEQUENCE);
while ($extensions->[1]->[1] > 0) {
my $ext = asn1_extract($extensions->[1], $UNIV | $CONS | $SEQUENCE);
my $x_oid = asn1_extract($ext->[1], $UNIV | $OBJ_ID);
my $x_crit = asn1_extract($ext->[1], $UNIV | $BOOLEAN, 1);
my $x_val = asn1_extract($ext->[1], $UNIV | $OCTET_STRING);
my $raw_oid = asn1_retrieve($x_oid->[1]);
next if (!exists($OIDs{$raw_oid}));
my $x_type = $OIDs{$raw_oid};
my $raw_value = asn1_retrieve($x_val->[1]);
if ($x_type eq "subjectKeyIdentifier") {
my $vcursor = [ 0, length($raw_value), \$raw_value ];
$subject_key_id = asn1_extract($vcursor, $UNIV | $OCTET_STRING);
}
}
}
###############################################################################
#
# Determine what we're going to use as the signer's name. In order of
# preference, take one of: commonName, organizationName or emailAddress.
#
###############################################################################
my $org = "";
my $cn = "";
my $email = "";
while ($subject->[1]->[1] > 0) {
my $rdn = asn1_extract($subject->[1], $UNIV | $CONS | $SET);
my $attr = asn1_extract($rdn->[1], $UNIV | $CONS | $SEQUENCE);
my $n_oid = asn1_extract($attr->[1], $UNIV | $OBJ_ID);
my $n_val = asn1_extract($attr->[1], -1);
my $raw_oid = asn1_retrieve($n_oid->[1]);
next if (!exists($OIDs{$raw_oid}));
my $n_type = $OIDs{$raw_oid};
my $raw_value = asn1_retrieve($n_val->[1]);
if ($n_type eq "organizationName") {
$org = $raw_value;
} elsif ($n_type eq "commonName") {
$cn = $raw_value;
} elsif ($n_type eq "emailAddress") {
$email = $raw_value;
}
}
my $signers_name = $email;
if ($org && $cn) {
# Don't use the organizationName if the commonName repeats it
if (length($org) <= length($cn) &&
substr($cn, 0, length($org)) eq $org) {
$signers_name = $cn;
goto got_id_name;
}
# Or a signifcant chunk of it
if (length($org) >= 7 &&
length($cn) >= 7 &&
substr($cn, 0, 7) eq substr($org, 0, 7)) {
$signers_name = $cn;
goto got_id_name;
}
$signers_name = $org . ": " . $cn;
} elsif ($org) {
$signers_name = $org;
} elsif ($cn) {
$signers_name = $cn;
}
got_id_name:
die $x509, ": ", "X.509: Couldn't find the Subject Key Identifier extension\n"
if (!$subject_key_id);
my $key_identifier = asn1_retrieve($subject_key_id->[1]);
###############################################################################
#
# Create and attach the module signature
#
###############################################################################
#
# Signature parameters
#
algo=1 # Public-key crypto algorithm: RSA
hash= # Digest algorithm
id_type=1 # Identifier type: X.509
my $algo = 1; # Public-key crypto algorithm: RSA
my $hash = 0; # Digest algorithm
my $id_type = 1; # Identifier type: X.509
#
# Digest the data
#
dgst=
if [ "$CONFIG_MODULE_SIG_SHA1" = "y" ]
then
prologue="0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A, 0x05, 0x00, 0x04, 0x14"
dgst=-sha1
hash=2
elif [ "$CONFIG_MODULE_SIG_SHA224" = "y" ]
then
prologue="0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04, 0x1C"
dgst=-sha224
hash=7
elif [ "$CONFIG_MODULE_SIG_SHA256" = "y" ]
then
prologue="0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20"
dgst=-sha256
hash=4
elif [ "$CONFIG_MODULE_SIG_SHA384" = "y" ]
then
prologue="0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30"
dgst=-sha384
hash=5
elif [ "$CONFIG_MODULE_SIG_SHA512" = "y" ]
then
prologue="0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40"
dgst=-sha512
hash=6
else
echo "$0: Can't determine hash algorithm" >&2
exit 2
fi
my ($dgst, $prologue) = ();
if (exists $config{"CONFIG_MODULE_SIG_SHA1"}) {
$prologue = pack("C*",
0x30, 0x21, 0x30, 0x09, 0x06, 0x05,
0x2B, 0x0E, 0x03, 0x02, 0x1A,
0x05, 0x00, 0x04, 0x14);
$dgst = "-sha1";
$hash = 2;
} elsif (exists $config{"CONFIG_MODULE_SIG_SHA224"}) {
$prologue = pack("C*",
0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04,
0x05, 0x00, 0x04, 0x1C);
$dgst = "-sha224";
$hash = 7;
} elsif (exists $config{"CONFIG_MODULE_SIG_SHA256"}) {
$prologue = pack("C*",
0x30, 0x31, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
0x05, 0x00, 0x04, 0x20);
$dgst = "-sha256";
$hash = 4;
} elsif (exists $config{"CONFIG_MODULE_SIG_SHA384"}) {
$prologue = pack("C*",
0x30, 0x41, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02,
0x05, 0x00, 0x04, 0x30);
$dgst = "-sha384";
$hash = 5;
} elsif (exists $config{"CONFIG_MODULE_SIG_SHA512"}) {
$prologue = pack("C*",
0x30, 0x51, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03,
0x05, 0x00, 0x04, 0x40);
$dgst = "-sha512";
$hash = 6;
} else {
die "Can't determine hash algorithm";
}
(
perl -e "binmode STDOUT; print pack(\"C*\", $prologue)" || exit $?
openssl dgst $dgst -binary $src || exit $?
) >$src.dig || exit $?
#
# Generate the digest and read from openssl's stdout
#
my $digest;
$digest = readpipe("openssl dgst $dgst -binary $module") || die "openssl dgst";
#
# Generate the binary signature, which will be just the integer that comprises
# the signature with no metadata attached.
#
openssl rsautl -sign -inkey $key -keyform PEM -in $src.dig -out $src.sig || exit $?
signerlen=`stat -c %s $x509.signer`
keyidlen=`stat -c %s $x509.keyid`
siglen=`stat -c %s $src.sig`
my $pid;
$pid = open2(*read_from, *write_to,
"openssl rsautl -sign -inkey $private_key -keyform PEM") ||
die "openssl rsautl";
binmode write_to;
print write_to $prologue . $digest || die "pipe to openssl rsautl";
close(write_to) || die "pipe to openssl rsautl";
binmode read_from;
my $signature;
read(read_from, $signature, 4096) || die "pipe from openssl rsautl";
close(read_from) || die "pipe from openssl rsautl";
$signature = pack("n", length($signature)) . $signature,
waitpid($pid, 0) || die;
die "openssl rsautl died: $?" if ($? >> 8);
#
# Build the signed binary
#
(
cat $src || exit $?
echo '~Module signature appended~' || exit $?
cat $x509.signer $x509.keyid || exit $?
my $unsigned_module = read_file($module);
# Preface each signature integer with a 2-byte BE length
perl -e "binmode STDOUT; print pack(\"n\", $siglen)" || exit $?
cat $src.sig || exit $?
my $magic_number = "~Module signature appended~\n";
# Generate the information block
perl -e "binmode STDOUT; print pack(\"CCCCCxxxN\", $algo, $hash, $id_type, $signerlen, $keyidlen, $siglen + 2)" || exit $?
) >$dst~ || exit $?
my $info = pack("CCCCCxxxN",
$algo, $hash, $id_type,
length($signers_name),
length($key_identifier),
length($signature));
# Permit in-place signing
mv $dst~ $dst || exit $?
if ($verbose) {
print "Size of unsigned module: ", length($unsigned_module), "\n";
print "Size of signer's name : ", length($signers_name), "\n";
print "Size of key identifier : ", length($key_identifier), "\n";
print "Size of signature : ", length($signature), "\n";
print "Size of informaton : ", length($info), "\n";
print "Size of magic number : ", length($magic_number), "\n";
print "Signer's name : '", $signers_name, "'\n";
print "Digest : $dgst\n";
}
open(FD, ">$dest") || die $dest;
binmode FD;
print FD
$unsigned_module,
$signers_name,
$key_identifier,
$signature,
$info,
$magic_number
;
close FD || die $dest;
if ($#ARGV != 3) {
rename($dest, $module) || die $module;
}

View File

@@ -248,6 +248,7 @@ do_file(char const *const fname)
case EM_S390:
custom_sort = sort_relative_table;
break;
case EM_ARM:
case EM_MIPS:
break;
} /* end switch */

View File

@@ -1,268 +0,0 @@
#!/usr/bin/perl -w
#
# Generate an identifier from an X.509 certificate that can be placed in a
# module signature to indentify the key to use.
#
# Format:
#
# ./scripts/x509keyid <x509-cert> <signer's-name> <key-id>
#
# We read the DER-encoded X509 certificate and parse it to extract the Subject
# name and Subject Key Identifier. The provide the data we need to build the
# certificate identifier.
#
# The signer's name part of the identifier is fabricated from the commonName,
# the organizationName or the emailAddress components of the X.509 subject
# name and written to the second named file.
#
# The subject key ID to select which of that signer's certificates we're
# intending to use to sign the module is written to the third named file.
#
use strict;
my $raw_data;
die "Need three filenames\n" if ($#ARGV != 2);
my $src = $ARGV[0];
open(FD, "<$src") || die $src;
binmode FD;
my @st = stat(FD);
die $src if (!@st);
read(FD, $raw_data, $st[7]) || die $src;
close(FD);
my $UNIV = 0 << 6;
my $APPL = 1 << 6;
my $CONT = 2 << 6;
my $PRIV = 3 << 6;
my $CONS = 0x20;
my $BOOLEAN = 0x01;
my $INTEGER = 0x02;
my $BIT_STRING = 0x03;
my $OCTET_STRING = 0x04;
my $NULL = 0x05;
my $OBJ_ID = 0x06;
my $UTF8String = 0x0c;
my $SEQUENCE = 0x10;
my $SET = 0x11;
my $UTCTime = 0x17;
my $GeneralizedTime = 0x18;
my %OIDs = (
pack("CCC", 85, 4, 3) => "commonName",
pack("CCC", 85, 4, 6) => "countryName",
pack("CCC", 85, 4, 10) => "organizationName",
pack("CCC", 85, 4, 11) => "organizationUnitName",
pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 1, 1) => "rsaEncryption",
pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 1, 5) => "sha1WithRSAEncryption",
pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 9, 1) => "emailAddress",
pack("CCC", 85, 29, 35) => "authorityKeyIdentifier",
pack("CCC", 85, 29, 14) => "subjectKeyIdentifier",
pack("CCC", 85, 29, 19) => "basicConstraints"
);
###############################################################################
#
# Extract an ASN.1 element from a string and return information about it.
#
###############################################################################
sub asn1_extract($$@)
{
my ($cursor, $expected_tag, $optional) = @_;
return [ -1 ]
if ($cursor->[1] == 0 && $optional);
die $src, ": ", $cursor->[0], ": ASN.1 data underrun (elem ", $cursor->[1], ")\n"
if ($cursor->[1] < 2);
my ($tag, $len) = unpack("CC", substr(${$cursor->[2]}, $cursor->[0], 2));
if ($expected_tag != -1 && $tag != $expected_tag) {
return [ -1 ]
if ($optional);
die $src, ": ", $cursor->[0], ": ASN.1 unexpected tag (", $tag,
" not ", $expected_tag, ")\n";
}
$cursor->[0] += 2;
$cursor->[1] -= 2;
die $src, ": ", $cursor->[0], ": ASN.1 long tag\n"
if (($tag & 0x1f) == 0x1f);
die $src, ": ", $cursor->[0], ": ASN.1 indefinite length\n"
if ($len == 0x80);
if ($len > 0x80) {
my $l = $len - 0x80;
die $src, ": ", $cursor->[0], ": ASN.1 data underrun (len len $l)\n"
if ($cursor->[1] < $l);
if ($l == 0x1) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1));
} elsif ($l = 0x2) {
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0], 2));
} elsif ($l = 0x3) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1)) << 16;
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0] + 1, 2));
} elsif ($l = 0x4) {
$len = unpack("N", substr(${$cursor->[2]}, $cursor->[0], 4));
} else {
die $src, ": ", $cursor->[0], ": ASN.1 element too long (", $l, ")\n";
}
$cursor->[0] += $l;
$cursor->[1] -= $l;
}
die $src, ": ", $cursor->[0], ": ASN.1 data underrun (", $len, ")\n"
if ($cursor->[1] < $len);
my $ret = [ $tag, [ $cursor->[0], $len, $cursor->[2] ] ];
$cursor->[0] += $len;
$cursor->[1] -= $len;
return $ret;
}
###############################################################################
#
# Retrieve the data referred to by a cursor
#
###############################################################################
sub asn1_retrieve($)
{
my ($cursor) = @_;
my ($offset, $len, $data) = @$cursor;
return substr($$data, $offset, $len);
}
###############################################################################
#
# Roughly parse the X.509 certificate
#
###############################################################################
my $cursor = [ 0, length($raw_data), \$raw_data ];
my $cert = asn1_extract($cursor, $UNIV | $CONS | $SEQUENCE);
my $tbs = asn1_extract($cert->[1], $UNIV | $CONS | $SEQUENCE);
my $version = asn1_extract($tbs->[1], $CONT | $CONS | 0, 1);
my $serial_number = asn1_extract($tbs->[1], $UNIV | $INTEGER);
my $sig_type = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $issuer = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $validity = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $subject = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $key = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE);
my $issuer_uid = asn1_extract($tbs->[1], $CONT | $CONS | 1, 1);
my $subject_uid = asn1_extract($tbs->[1], $CONT | $CONS | 2, 1);
my $extension_list = asn1_extract($tbs->[1], $CONT | $CONS | 3, 1);
my $subject_key_id = ();
my $authority_key_id = ();
#
# Parse the extension list
#
if ($extension_list->[0] != -1) {
my $extensions = asn1_extract($extension_list->[1], $UNIV | $CONS | $SEQUENCE);
while ($extensions->[1]->[1] > 0) {
my $ext = asn1_extract($extensions->[1], $UNIV | $CONS | $SEQUENCE);
my $x_oid = asn1_extract($ext->[1], $UNIV | $OBJ_ID);
my $x_crit = asn1_extract($ext->[1], $UNIV | $BOOLEAN, 1);
my $x_val = asn1_extract($ext->[1], $UNIV | $OCTET_STRING);
my $raw_oid = asn1_retrieve($x_oid->[1]);
next if (!exists($OIDs{$raw_oid}));
my $x_type = $OIDs{$raw_oid};
my $raw_value = asn1_retrieve($x_val->[1]);
if ($x_type eq "subjectKeyIdentifier") {
my $vcursor = [ 0, length($raw_value), \$raw_value ];
$subject_key_id = asn1_extract($vcursor, $UNIV | $OCTET_STRING);
}
}
}
###############################################################################
#
# Determine what we're going to use as the signer's name. In order of
# preference, take one of: commonName, organizationName or emailAddress.
#
###############################################################################
my $org = "";
my $cn = "";
my $email = "";
while ($subject->[1]->[1] > 0) {
my $rdn = asn1_extract($subject->[1], $UNIV | $CONS | $SET);
my $attr = asn1_extract($rdn->[1], $UNIV | $CONS | $SEQUENCE);
my $n_oid = asn1_extract($attr->[1], $UNIV | $OBJ_ID);
my $n_val = asn1_extract($attr->[1], -1);
my $raw_oid = asn1_retrieve($n_oid->[1]);
next if (!exists($OIDs{$raw_oid}));
my $n_type = $OIDs{$raw_oid};
my $raw_value = asn1_retrieve($n_val->[1]);
if ($n_type eq "organizationName") {
$org = $raw_value;
} elsif ($n_type eq "commonName") {
$cn = $raw_value;
} elsif ($n_type eq "emailAddress") {
$email = $raw_value;
}
}
my $id_name = $email;
if ($org && $cn) {
# Don't use the organizationName if the commonName repeats it
if (length($org) <= length($cn) &&
substr($cn, 0, length($org)) eq $org) {
$id_name = $cn;
goto got_id_name;
}
# Or a signifcant chunk of it
if (length($org) >= 7 &&
length($cn) >= 7 &&
substr($cn, 0, 7) eq substr($org, 0, 7)) {
$id_name = $cn;
goto got_id_name;
}
$id_name = $org . ": " . $cn;
} elsif ($org) {
$id_name = $org;
} elsif ($cn) {
$id_name = $cn;
}
got_id_name:
###############################################################################
#
# Output the signer's name and the key identifier that we're going to include
# in module signatures.
#
###############################################################################
die $src, ": ", "X.509: Couldn't find the Subject Key Identifier extension\n"
if (!$subject_key_id);
my $id_key_id = asn1_retrieve($subject_key_id->[1]);
open(OUTFD, ">$ARGV[1]") || die $ARGV[1];
print OUTFD $id_name;
close OUTFD || die $ARGV[1];
open(OUTFD, ">$ARGV[2]") || die $ARGV[2];
print OUTFD $id_key_id;
close OUTFD || die $ARGV[2];