1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
VERSION = 12
RELEASE :=
ifneq ($(RELEASE),"")
RELEASE:="-$(RELEASE)"
endif
ifeq ($(MAKELEVEL),0)
TOPDIR ?= $(shell pwd)
endif
override TOPDIR := $(abspath $(TOPDIR))
VPATH = $(TOPDIR)
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy
OPENSSL ?= openssl
HEXDUMP ?= hexdump
PK12UTIL ?= pk12util
CERTUTIL ?= certutil
PESIGN ?= pesign
ARCH ?= $(shell $(CC) -dumpmachine | cut -f1 -d- | sed s,i[3456789]86,ia32,)
OBJCOPY_GTE224 = $(shell expr `$(OBJCOPY) --version |grep ^"GNU objcopy" | sed 's/^.*\((.*)\|version\) //g' | cut -f1-2 -d.` \>= 2.24)
SUBDIRS = $(TOPDIR)/Cryptlib $(TOPDIR)/lib
EFI_INCLUDE := /usr/include/efi
EFI_INCLUDES = -nostdinc -I$(TOPDIR)/Cryptlib -I$(TOPDIR)/Cryptlib/Include \
-I$(EFI_INCLUDE) -I$(EFI_INCLUDE)/$(ARCH) -I$(EFI_INCLUDE)/protocol \
-I$(TOPDIR)/include -iquote $(TOPDIR) -iquote $(shell pwd)
LIB_GCC = $(shell $(CC) -print-libgcc-file-name)
EFI_LIBS = -lefi -lgnuefi --start-group Cryptlib/libcryptlib.a Cryptlib/OpenSSL/libopenssl.a --end-group $(LIB_GCC)
EFI_CRT_OBJS = $(EFI_PATH)/crt0-efi-$(ARCH).o
EFI_LDS = $(TOPDIR)/elf_$(ARCH)_efi.lds
DEFAULT_LOADER := \\\\grub.efi
CFLAGS = -ggdb -O0 -fno-stack-protector -fno-strict-aliasing -fpic \
-fshort-wchar -Wall -Wsign-compare -Werror -fno-builtin \
-Werror=sign-compare -ffreestanding -std=gnu89 \
-I$(shell $(CC) -print-file-name=include) \
"-DDEFAULT_LOADER=L\"$(DEFAULT_LOADER)\"" \
"-DDEFAULT_LOADER_CHAR=\"$(DEFAULT_LOADER)\"" \
$(EFI_INCLUDES)
SHIMNAME = shim
MMNAME = MokManager
FBNAME = fallback
COMMITID ?= $(shell if [ -d .git ] ; then git log -1 --pretty=format:%H ; elif [ -f commit ]; then cat commit ; else echo commit id not available; fi)
ifneq ($(origin OVERRIDE_SECURITY_POLICY), undefined)
CFLAGS += -DOVERRIDE_SECURITY_POLICY
endif
ifneq ($(origin ENABLE_HTTPBOOT), undefined)
CFLAGS += -DENABLE_HTTPBOOT
endif
ifeq ($(ARCH),x86_64)
CFLAGS += -mno-mmx -mno-sse -mno-red-zone -nostdinc \
-maccumulate-outgoing-args \
-DEFI_FUNCTION_WRAPPER -DGNU_EFI_USE_MS_ABI \
-DNO_BUILTIN_VA_FUNCS \
-DMDE_CPU_X64 "-DEFI_ARCH=L\"x64\"" -DPAGE_SIZE=4096 \
"-DDEBUGDIR=L\"/usr/lib/debug/usr/share/shim/x64-$(VERSION)$(RELEASE)/\""
MMNAME = mmx64
FBNAME = fbx64
SHIMNAME= shimx64
EFI_PATH:=/usr/lib64/gnuefi
LIB_PATH:=/usr/lib64
endif
ifeq ($(ARCH),ia32)
CFLAGS += -mno-mmx -mno-sse -mno-red-zone -nostdinc \
-maccumulate-outgoing-args -m32 \
-DMDE_CPU_IA32 "-DEFI_ARCH=L\"ia32\"" -DPAGE_SIZE=4096 \
"-DDEBUGDIR=L\"/usr/lib/debug/usr/share/shim/ia32-$(VERSION)$(RELEASE)/\""
MMNAME = mmia32
FBNAME = fbia32
SHIMNAME= shimia32
EFI_PATH:=/usr/lib/gnuefi
LIB_PATH:=/usr/lib
endif
ifeq ($(ARCH),aarch64)
CFLAGS += -DMDE_CPU_AARCH64 "-DEFI_ARCH=L\"aa64\"" -DPAGE_SIZE=4096 \
"-DDEBUGDIR=L\"/usr/lib/debug/usr/share/shim/aa64-$(VERSION)$(RELEASE)/\""
MMNAME = mmaa64
FBNAME = fbaa64
SHIMNAME= shimaa64
EFI_PATH:=/usr/lib64/gnuefi
LIB_PATH:=/usr/lib64
endif
ifneq ($(origin VENDOR_CERT_FILE), undefined)
CFLAGS += -DVENDOR_CERT_FILE=\"$(VENDOR_CERT_FILE)\"
endif
ifneq ($(origin VENDOR_DBX_FILE), undefined)
CFLAGS += -DVENDOR_DBX_FILE=\"$(VENDOR_DBX_FILE)\"
endif
LDFLAGS = --hash-style=sysv -nostdlib -znocombreloc -T $(EFI_LDS) -shared -Bsymbolic -L$(EFI_PATH) -L$(LIB_PATH) -LCryptlib -LCryptlib/OpenSSL $(EFI_CRT_OBJS) --build-id=sha1
TARGET = $(SHIMNAME).efi $(MMNAME).efi.signed $(FBNAME).efi.signed
OBJS = shim.o netboot.o cert.o replacements.o tpm.o version.o
KEYS = shim_cert.h ocsp.* ca.* shim.crt shim.csr shim.p12 shim.pem shim.key shim.cer
ORIG_SOURCES = shim.c shim.h netboot.c include/PeImage.h include/wincert.h include/console.h replacements.c replacements.h tpm.c tpm.h version.h
MOK_OBJS = MokManager.o PasswordCrypt.o crypt_blowfish.o
ORIG_MOK_SOURCES = MokManager.c shim.h include/console.h PasswordCrypt.c PasswordCrypt.h crypt_blowfish.c crypt_blowfish.h
FALLBACK_OBJS = fallback.o
ORIG_FALLBACK_SRCS = fallback.c
ifneq ($(origin ENABLE_HTTPBOOT), undefined)
OBJS += httpboot.o
SOURCES += httpboot.c httpboot.h
endif
SOURCES = $(foreach source,$(ORIG_SOURCES),$(TOPDIR)/$(source)) version.c
MOK_SOURCES = $(foreach source,$(ORIG_MOK_SOURCES),$(TOPDIR)/$(source))
FALLBACK_SRCS = $(foreach source,$(ORIG_FALLBACK_SRCS),$(TOPDIR)/$(source))
all: $(TARGET)
shim.crt:
$(TOPDIR)/make-certs shim shim@xn--u4h.net all codesign 1.3.6.1.4.1.311.10.3.1 </dev/null
shim.cer: shim.crt
$(OPENSSL) x509 -outform der -in $< -out $@
shim_cert.h: shim.cer
echo "static UINT8 shim_cert[] = {" > $@
$(HEXDUMP) -v -e '1/1 "0x%02x, "' $< >> $@
echo "};" >> $@
version.c : $(TOPDIR)/version.c.in
sed -e "s,@@VERSION@@,$(VERSION)," \
-e "s,@@UNAME@@,$(shell uname -a)," \
-e "s,@@COMMIT@@,$(COMMITID)," \
< $< > $@
certdb/secmod.db: shim.crt
-mkdir certdb
$(PK12UTIL) -d certdb/ -i shim.p12 -W "" -K ""
$(CERTUTIL) -d certdb/ -A -i shim.crt -n shim -t u
shim.o: $(SOURCES) shim_cert.h
shim.o: $(wildcard $(TOPDIR)/*.h *.h)
cert.o : $(TOPDIR)/cert.S
$(CC) $(CFLAGS) -c -o $@ $<
$(SHIMNAME).so: $(OBJS) Cryptlib/libcryptlib.a Cryptlib/OpenSSL/libopenssl.a lib/lib.a
$(LD) -o $@ $(LDFLAGS) $^ $(EFI_LIBS)
fallback.o: $(FALLBACK_SRCS)
$(FBNAME).so: $(FALLBACK_OBJS) Cryptlib/libcryptlib.a Cryptlib/OpenSSL/libopenssl.a lib/lib.a
$(LD) -o $@ $(LDFLAGS) $^ $(EFI_LIBS)
MokManager.o: $(MOK_SOURCES)
$(MMNAME).so: $(MOK_OBJS) Cryptlib/libcryptlib.a Cryptlib/OpenSSL/libopenssl.a lib/lib.a
$(LD) -o $@ $(LDFLAGS) $^ $(EFI_LIBS) lib/lib.a
Cryptlib/libcryptlib.a:
mkdir -p Cryptlib/{Hash,Hmac,Cipher,Rand,Pk,Pem,SysCall}
$(MAKE) VPATH=$(TOPDIR)/Cryptlib TOPDIR=$(TOPDIR)/Cryptlib -C Cryptlib -f $(TOPDIR)/Cryptlib/Makefile
Cryptlib/OpenSSL/libopenssl.a:
mkdir -p Cryptlib/OpenSSL/crypto/{x509v3,x509,txt_db,stack,sha,rsa,rc4,rand,pkcs7,pkcs12,pem,ocsp,objects,modes,md5,lhash,kdf,hmac,evp,err,dso,dh,conf,comp,cmac,buffer,bn,bio,async{,/arch},asn1,aes}/
$(MAKE) VPATH=$(TOPDIR)/Cryptlib/OpenSSL TOPDIR=$(TOPDIR)/Cryptlib/OpenSSL -C Cryptlib/OpenSSL -f $(TOPDIR)/Cryptlib/OpenSSL/Makefile
lib/lib.a:
if [ ! -d lib ]; then mkdir lib ; fi
$(MAKE) VPATH=$(TOPDIR)/lib TOPDIR=$(TOPDIR) CFLAGS="$(CFLAGS)" -C lib -f $(TOPDIR)/lib/Makefile
ifeq ($(ARCH),aarch64)
FORMAT := -O binary
SUBSYSTEM := 0xa
LDFLAGS += --defsym=EFI_SUBSYSTEM=$(SUBSYSTEM)
endif
ifeq ($(ARCH),arm)
FORMAT := -O binary
SUBSYSTEM := 0xa
LDFLAGS += --defsym=EFI_SUBSYSTEM=$(SUBSYSTEM)
endif
FORMAT ?= --target efi-app-$(ARCH)
%.efi: %.so
ifneq ($(OBJCOPY_GTE224),1)
$(error objcopy >= 2.24 is required)
endif
$(OBJCOPY) -j .text -j .sdata -j .data -j .data.ident \
-j .dynamic -j .dynsym -j .rel* \
-j .rela* -j .reloc -j .eh_frame \
-j .vendor_cert \
$(FORMAT) $^ $@
$(OBJCOPY) -j .text -j .sdata -j .data \
-j .dynamic -j .dynsym -j .rel* \
-j .rela* -j .reloc -j .eh_frame \
-j .debug_info -j .debug_abbrev -j .debug_aranges \
-j .debug_line -j .debug_str -j .debug_ranges \
-j .note.gnu.build-id \
$(FORMAT) $^ $@.debug
%.efi.signed: %.efi certdb/secmod.db
$(PESIGN) -n certdb -i $< -c "shim" -s -o $@ -f
clean:
$(MAKE) -C Cryptlib -f $(TOPDIR)/Cryptlib/Makefile clean
$(MAKE) -C Cryptlib/OpenSSL -f $(TOPDIR)/Cryptlib/OpenSSL/Makefile clean
$(MAKE) -C lib -f $(TOPDIR)/lib/Makefile clean
rm -rf $(TARGET) $(OBJS) $(MOK_OBJS) $(FALLBACK_OBJS) $(KEYS) certdb
rm -f *.debug *.so *.efi *.tar.* version.c
GITTAG = $(VERSION)
test-archive:
@rm -rf /tmp/shim-$(VERSION) /tmp/shim-$(VERSION)-tmp
@mkdir -p /tmp/shim-$(VERSION)-tmp
@git archive --format=tar $(shell git branch | awk '/^*/ { print $$2 }') | ( cd /tmp/shim-$(VERSION)-tmp/ ; tar x )
@git diff | ( cd /tmp/shim-$(VERSION)-tmp/ ; patch -s -p1 -b -z .gitdiff )
@mv /tmp/shim-$(VERSION)-tmp/ /tmp/shim-$(VERSION)/
@git log -1 --pretty=format:%H > /tmp/shim-$(VERSION)/commit
@dir=$$PWD; cd /tmp; tar -c --bzip2 -f $$dir/shim-$(VERSION).tar.bz2 shim-$(VERSION)
@rm -rf /tmp/shim-$(VERSION)
@echo "The archive is in shim-$(VERSION).tar.bz2"
tag:
git tag --sign $(GITTAG) refs/heads/master
git tag -f latest-release $(GITTAG)
archive: tag
@rm -rf /tmp/shim-$(VERSION) /tmp/shim-$(VERSION)-tmp
@mkdir -p /tmp/shim-$(VERSION)-tmp
@git archive --format=tar $(GITTAG) | ( cd /tmp/shim-$(VERSION)-tmp/ ; tar x )
@mv /tmp/shim-$(VERSION)-tmp/ /tmp/shim-$(VERSION)/
@git log -1 --pretty=format:%H > /tmp/shim-$(VERSION)/commit
@dir=$$PWD; cd /tmp; tar -c --bzip2 -f $$dir/shim-$(VERSION).tar.bz2 shim-$(VERSION)
@rm -rf /tmp/shim-$(VERSION)
@echo "The archive is in shim-$(VERSION).tar.bz2"
export ARCH CC LD OBJCOPY EFI_INCLUDE
|
