def repr_phdrs(phdrs, sno_range=None):
retval = TablePrinter()
COLUMN_SNO = 0
COLUMN_TYPE = 1
COLUMN_OFF = 2
COLUMN_VADDR = 3
COLUMN_PADDR = 4
COLUMN_FSIZE = 5
COLUMN_MSIZE = 6
COLUMN_FLAGS = 7
COLUMN_ALIGN = 8
retval.insert_data(0, COLUMN_SNO, 'S.No')
retval.insert_data(0, COLUMN_TYPE, 'Type')
retval.insert_data(0, COLUMN_OFF, 'Offset')
retval.insert_data(0, COLUMN_VADDR, 'VirtAddr')
retval.insert_data(0, COLUMN_PADDR, 'PhysAddr')
retval.insert_data(0, COLUMN_FSIZE, 'FileSize')
retval.insert_data(0, COLUMN_MSIZE, 'MemSize')
retval.insert_data(0, COLUMN_FLAGS, 'Flags')
retval.insert_data(0, COLUMN_ALIGN, 'Align')
stats = [0] * (COLUMN_ALIGN + 1)
for idx, phdr in enumerate(phdrs):
stats[COLUMN_OFF] = phdr.p_offset if phdr.p_offset > stats[
COLUMN_OFF] else stats[COLUMN_OFF]
stats[COLUMN_VADDR] = phdr.p_vaddr if phdr.p_vaddr > stats[
COLUMN_VADDR] else stats[COLUMN_VADDR]
stats[COLUMN_PADDR] = phdr.p_paddr if phdr.p_paddr > stats[
COLUMN_PADDR] else stats[COLUMN_PADDR]
stats[COLUMN_FSIZE] = phdr.p_filesz if phdr.p_filesz > stats[
COLUMN_FSIZE] else stats[COLUMN_FSIZE]
stats[COLUMN_MSIZE] = phdr.p_memsz if phdr.p_memsz > stats[
COLUMN_MSIZE] else stats[COLUMN_MSIZE]
stats[COLUMN_FLAGS] = phdr.p_flags if phdr.p_flags > stats[
COLUMN_FLAGS] else stats[COLUMN_FLAGS]
for idx in range(COLUMN_ALIGN + 1):
stats[idx] = len(hex(stats[idx]).rstrip('L')) - 2
if sno_range is None:
sno_range = range(1, len(phdrs) + 1)
for idx, phdr in enumerate(phdrs):
retval.insert_data(idx + 1, COLUMN_SNO, str(sno_range[idx]))
retval.insert_data(idx + 1, COLUMN_TYPE,
PT_DESCRIPTION.get(phdr.p_type, phdr.p_type))
retval.insert_data(idx + 1, COLUMN_OFF,
hex_addr(phdr.p_offset, stats[COLUMN_OFF]))
retval.insert_data(idx + 1, COLUMN_VADDR,
hex_addr(phdr.p_vaddr, stats[COLUMN_VADDR]))
retval.insert_data(idx + 1, COLUMN_PADDR,
hex_addr(phdr.p_paddr, stats[COLUMN_PADDR]))
retval.insert_data(idx + 1, COLUMN_FSIZE,
hex_addr(phdr.p_filesz, stats[COLUMN_FSIZE]))
retval.insert_data(idx + 1, COLUMN_MSIZE,
hex_addr(phdr.p_memsz, stats[COLUMN_MSIZE]))
retval.insert_data(idx + 1, COLUMN_FLAGS,
hex_addr(phdr.p_flags, stats[COLUMN_FLAGS]))
retval.insert_data(idx + 1,
COLUMN_ALIGN,
hex(phdr.p_align),
justify=retval.LEFT)
return retval.get_data()
def print_summary(args, image_info_list):
"""Prints the summary of the actions performed by SecImage"""
if not image_info_list:
return
# Check which actions were performed
actions = []
if args.sign:
actions.append('sign')
if args.validate:
actions.append('validate')
if args.integrity_check:
actions.append('integrity_check')
if not actions:
return
# Figure out the output directory
if args.output_dir:
output_print = 'Output is saved at: %s\n' % args.output_dir
else:
output_print = '\n'
# Log the actions and output directory
actions_str = 'Following actions were performed: "%s"\n' % ', '.join(
actions)
logger.info('SUMMARY:' + '\n' + actions_str + output_print)
# Table information
summary_table = TablePrinter([1])
(COLUMN_PARSE, COLUMN_INTEGRITY_CHECK, COLUMN_SIGN, COLUMN_VAL_PARSE,
COLUMN_VAL_INTEGRITY_CHECK, COLUMN_VAL_SIGN) = range(6)
# First row
row = 0
summary_table.insert_data(row, COLUMN_PARSE, 'Parse')
summary_table.insert_data(row, COLUMN_INTEGRITY_CHECK, 'Integrity')
summary_table.insert_data(row, COLUMN_SIGN, 'Sign')
summary_table.insert_data(row,
COLUMN_VAL_PARSE,
'Validate',
column_end=COLUMN_VAL_SIGN)
# Second row
row += 1
summary_table.insert_data(row, COLUMN_VAL_PARSE, 'Parse')
summary_table.insert_data(row, COLUMN_VAL_INTEGRITY_CHECK, 'Integrity')
summary_table.insert_data(row, COLUMN_VAL_SIGN, 'Sign')
# Data rows
for image in image_info_list:
row += 1
summary_table.insert_data(row, COLUMN_PARSE,
image.status.parsegen.state)
summary_table.insert_data(row, COLUMN_INTEGRITY_CHECK,
image.status.integrity_check.state)
summary_table.insert_data(row, COLUMN_SIGN, image.status.sign.state)
summary_table.insert_data(row, COLUMN_VAL_PARSE,
image.status.validate_parsegen.state)
summary_table.insert_data(row, COLUMN_VAL_INTEGRITY_CHECK,
image.status.validate_integrity_check.state)
summary_table.insert_data(row, COLUMN_VAL_SIGN,
image.status.validate_sign.state)
logger.info(summary_table.get_data())
def print_summary(args, image_info_list):
"""Prints the summary of the actions performed by SecImage"""
actions = []
# Check which actions were performed
if args.integrity_check:
actions.append('integrity_check')
if args.sign:
actions.append('sign')
if args.encrypt:
actions.append('encrypt')
if args.validate:
actions.append('validate')
if not actions:
return
# Figure out the output directory
output_print = (('Output is saved at: ' + args.output_dir +
'\n') if args.output_dir else
('Minimized build was updated at: ' + args.mini_build +
'\n') if args.mini_build else '\n')
# Log the actions and output directory
logger.info('SUMMARY:' + '\n' + 'Following actions were performed: "' +
', '.join(actions) + '"' + '\n' + output_print)
# Table information
summary_table = TablePrinter([1])
# summary_table = TablePrinter([0])
COLUMN_IDX = 0
COLUMN_SIGN_ID = 1
COLUMN_PARSE = 2
COLUMN_INTEGRITY_CHECK = 3
COLUMN_SIGN = 4
COLUMN_ENCRYPT = 5
COLUMN_VAL_PARSE = 6
COLUMN_VAL_INTEGRITY_CHECK = 7
COLUMN_VAL_SIGN = 8
COLUMN_VAL_ENCRYPT = 9
# First row
summary_table.insert_data(0, COLUMN_IDX, 'Idx')
summary_table.insert_data(0, COLUMN_SIGN_ID, 'SignId')
summary_table.insert_data(0, COLUMN_PARSE, 'Parse')
summary_table.insert_data(0, COLUMN_INTEGRITY_CHECK, 'Integrity')
summary_table.insert_data(0, COLUMN_SIGN, 'Sign')
summary_table.insert_data(0, COLUMN_ENCRYPT, 'Encrypt')
summary_table.insert_data(0,
COLUMN_VAL_PARSE,
'Validate',
column_end=COLUMN_VAL_ENCRYPT)
# Second row
summary_table.insert_data(1, COLUMN_VAL_PARSE, 'Parse')
summary_table.insert_data(1, COLUMN_VAL_INTEGRITY_CHECK, 'Integrity')
summary_table.insert_data(1, COLUMN_VAL_SIGN, 'Sign')
summary_table.insert_data(1, COLUMN_VAL_ENCRYPT, 'Encrypt')
# Data rows
for idx, image in enumerate(image_info_list):
idx += 2
summary_table.insert_data(idx, COLUMN_IDX, str(idx - 1) + '.')
summary_table.insert_data(idx, COLUMN_SIGN_ID, image.sign_id)
summary_table.insert_data(idx, COLUMN_PARSE,
image.status.parsegen.state)
summary_table.insert_data(idx, COLUMN_INTEGRITY_CHECK,
image.status.integrity_check.state)
summary_table.insert_data(idx, COLUMN_SIGN, image.status.sign.state)
summary_table.insert_data(idx, COLUMN_ENCRYPT,
image.status.encrypt.state)
summary_table.insert_data(idx, COLUMN_VAL_PARSE,
image.status.validate_parsegen.state)
summary_table.insert_data(idx, COLUMN_VAL_INTEGRITY_CHECK,
image.status.validate_integrity_check.state)
summary_table.insert_data(idx, COLUMN_VAL_SIGN,
image.status.validate_sign.state)
summary_table.insert_data(idx, COLUMN_VAL_ENCRYPT,
image.status.validate_encrypt.state)
# TODO: put the error and image paths
logger.info(summary_table.get_data())
def _validate_segments(self):
if not POLICY_OVERLAPPING_SEGMENTS.is_ignore():
# Collect all the phys addr ranges
seg_ranges = []
for phdr in self._elf_parsegen.phdrs:
if self._elf_parsegen._segment_to_put(phdr):
seg_ranges.append(
(phdr.p_paddr, phdr.p_paddr + phdr.p_memsz,
phdr.p_memsz))
# Sort ranges by start address
seg_ranges.sort(key=lambda x: x[0])
# Check for overlaps
overlapping = []
for idx in range(len(seg_ranges) - 1):
if seg_ranges[idx + 1][0] < seg_ranges[idx][1]:
overlapping.append((seg_ranges[idx], seg_ranges[idx + 1]))
if overlapping:
# Create table header
table = TablePrinter([1])
table.insert_data(0, 0, 'S.No.')
table.insert_data(0, 1, 'Segment A', column_end=2)
table.insert_data(0, 3, 'Segment B', column_end=4)
# Create sub header
table.insert_data(1, 1, 'Phys')
table.insert_data(1, 2, 'Size')
table.insert_data(1, 3, 'Phys')
table.insert_data(1, 4, 'Size')
# Add all the overlapping segments
for idx, overlap in enumerate(overlapping):
table.insert_data(idx + 2, 1, hex(overlap[0][0]))
table.insert_data(idx + 2, 2, hex(overlap[0][2]))
table.insert_data(idx + 2, 3, hex(overlap[1][0]))
table.insert_data(idx + 2, 4, hex(overlap[1][2]))
# Create the error string
POLICY_OVERLAPPING_SEGMENTS.run(
'Following overlapping segments were found: ' + '\n' +
'\n'.join([' ' + l
for l in table.get_data().split('\n')]))
if not POLICY_NON_LOAD_OUTSIDE_LOAD.is_ignore():
load_ranges = []
non_load_ranges = []
# Collect address ranges
for idx, phdr in enumerate(self._elf_parsegen.phdrs):
if self._elf_parsegen._segment_to_put(phdr):
load_ranges.append(
(phdr.p_offset, phdr.p_offset + phdr.p_filesz))
elif phdr.p_type != PT_NULL and phdr.p_filesz != 0:
non_load_ranges.append(
(phdr.p_offset, phdr.p_offset + phdr.p_filesz, phdr,
idx + 3))
# Sort ranges by start address
load_ranges.sort(key=lambda x: x[0])
non_load_ranges.sort(key=lambda x: x[0])
# Check for non-encapsulated segments
non_encap = []
non_encap_sno = []
for d in range(len(non_load_ranges)):
in_seg = False
for s in range(len(load_ranges)):
in_rng = load_ranges[s][0] <= non_load_ranges[d][
0], non_load_ranges[d][1] <= load_ranges[s][1]
if in_rng[0] and in_rng[1]:
in_seg = True
# if non load segment not encapsulated in any segment, add to non_encapsulated list
if not in_seg:
non_encap.append(non_load_ranges[d][2])
non_encap_sno.append(non_load_ranges[d][3])
if non_encap:
# Create the error string
POLICY_NON_LOAD_OUTSIDE_LOAD.run(
"Following non-loadable segments found outside load segments: "
+ '\n' + repr_phdrs(non_encap, non_encap_sno))
def print_summary(args, image_info_list):
"""Prints the summary of the actions performed by SecImage"""
actions = []
# Check which actions were performed
if args.sign:
actions.append('sign')
if args.encrypt:
actions.append('encrypt')
if args.validate:
actions.append('validate')
if not actions:
return
# Figure out the output directory
output_print = (('Output is saved at: ' + args.output_dir +
'\n') if args.output_dir else
('Minimized build was updated at: ' + args.mini_build +
'\n') if args.mini_build else '\n')
# Log the actions and output directory
logger.info('SUMMARY:' + '\n' + 'Following actions were performed: "' +
', '.join(actions) + '"' + '\n' + output_print)
# Table information
summary_table = TablePrinter()
COLUMN_IDX = 0
COLUMN_SIGN_ID = 1
COLUMN_PARSE = 2
COLUMN_SIGN = 3
COLUMN_ENCRYPT = 4
#COLUMN_VAL_PARSE = 5
#COLUMN_VAL_SIGN = 6
#COLUMN_VAL_ENCRYPT = 7
COLUMN_ERROR = 5
COLUMN_IMAGE = 6
# First row
summary_table.insert_data(0, COLUMN_IDX, 'Idx')
summary_table.insert_data(0, COLUMN_SIGN_ID, 'SignId')
summary_table.insert_data(0, COLUMN_PARSE, 'Parse')
summary_table.insert_data(0, COLUMN_SIGN, 'Sign')
summary_table.insert_data(0, COLUMN_ENCRYPT, 'Encrypt')
#summary_table.insert_data(0, COLUMN_VAL_PARSE, 'Validate', column_end=COLUMN_VAL_ENCRYPT)
summary_table.insert_data(0, COLUMN_ERROR, 'Error')
summary_table.insert_data(0, COLUMN_IMAGE, 'Image Path')
# Second row
#summary_table.insert_data(1, COLUMN_VAL_PARSE, 'Parse')
#summary_table.insert_data(1, COLUMN_VAL_SIGN, 'Sign')
#summary_table.insert_data(1, COLUMN_VAL_ENCRYPT, 'Encrypt')
# Data rows
for idx, image in enumerate(image_info_list):
idx += 1
summary_table.insert_data(idx, COLUMN_IDX, str(idx - 1) + '.')
summary_table.insert_data(idx, COLUMN_SIGN_ID, image.sign_id)
summary_table.insert_data(idx, COLUMN_PARSE,
image.status.parsegen.state)
summary_table.insert_data(idx, COLUMN_SIGN, image.status.sign.state)
summary_table.insert_data(idx, COLUMN_ENCRYPT,
image.status.encrypt.state)
#summary_table.insert_data(idx, COLUMN_VAL_PARSE, image.status.validate_secimage.state)
#summary_table.insert_data(idx, COLUMN_VAL_SIGN, image.status.validate_sign.state)
#summary_table.insert_data(idx, COLUMN_VAL_ENCRYPT, image.status.validate_encrypt.state)
summary_table.insert_data(idx, COLUMN_ERROR,
(('' if image.status.parsegen.error is None
else image.status.parsegen.error) +
('' if image.status.sign.error is None else
image.status.sign.error) +
('' if image.status.encrypt.error is None
else image.status.encrypt.error)))
summary_table.insert_data(idx, COLUMN_IMAGE,
image.image_under_operation)
logger.info(summary_table.get_data())
def repr_fuse_entries(fuse_entries):
retval = TablePrinter()
COLUMN_SNO = 0
COLUMN_ADDR = 1
COLUMN_OP = 2
COLUMN_MSB = 3
COLUMN_LSB = 4
COLUMN_REGION = 5
retval.insert_data(0, COLUMN_SNO, 'S.No')
retval.insert_data(0, COLUMN_ADDR, 'Address')
retval.insert_data(0, COLUMN_OP, 'Operation')
retval.insert_data(0, COLUMN_MSB, 'MSB')
retval.insert_data(0, COLUMN_LSB, 'LSB')
retval.insert_data(0, COLUMN_REGION, 'Region Type')
for idx, fuse in enumerate(sorted(fuse_entries.values(), key=lambda x: x.address)):
retval.insert_data(idx + 1, COLUMN_SNO, str(idx + 1))
retval.insert_data(idx + 1, COLUMN_ADDR, hex(fuse.address)[2:].rstrip('L').rjust(8,'0'))
retval.insert_data(idx + 1, COLUMN_OP, FUSEPROV_OPERATION_ETYPE_DICT.get(fuse.operation))
retval.insert_data(idx + 1, COLUMN_MSB, hex(fuse.msb)[2:].rstrip('L').rjust(8,'0'))
retval.insert_data(idx + 1, COLUMN_LSB, hex(fuse.lsb)[2:].rstrip('L').rjust(8,'0'))
retval.insert_data(idx + 1, COLUMN_REGION, FUSEPROV_REGION_ETYPE_DICT[fuse.region])
return retval.get_data()
def validate_addresses(self, addr_dict):
seg_ranges = []
# Collect all the addr ranges
for phdr in self.parsegen.phdrs:
if self.segment_to_put(phdr):
if addr_dict['isPhy']:
seg_ranges.append(
(phdr.p_paddr, phdr.p_paddr + phdr.p_memsz,
phdr.p_memsz))
else:
seg_ranges.append(
(phdr.p_vaddr, phdr.p_vaddr + phdr.p_memsz,
phdr.p_memsz))
# Sort ranges by start address
seg_ranges.sort(key=lambda x: x[0])
# Check for overlaps
overlapping = []
for idx in range(len(seg_ranges) - 1):
if seg_ranges[idx + 1][0] < seg_ranges[idx][1]:
overlapping.append((seg_ranges[idx], seg_ranges[idx + 1]))
if overlapping:
# Create table header
table = TablePrinter([1])
table.insert_data(0, 0, 'S.No.')
table.insert_data(0, 1, 'Segment A', column_end=2)
table.insert_data(0, 3, 'Segment B', column_end=4)
# Create sub header
table.insert_data(1, 1, addr_dict['tString'])
table.insert_data(1, 2, 'Size')
table.insert_data(1, 3, addr_dict['tString'])
table.insert_data(1, 4, 'Size')
# Add all the overlapping segments
for idx, overlap in enumerate(overlapping):
table.insert_data(idx + 2, 1, hex(overlap[0][0]))
table.insert_data(idx + 2, 2, hex(overlap[0][2]))
table.insert_data(idx + 2, 3, hex(overlap[1][0]))
table.insert_data(idx + 2, 4, hex(overlap[1][2]))
# Create the error string
addr_dict['policy']().run(
addr_dict['eString'] +
'\n'.join([' ' + l for l in table.get_data().split('\n')]))
def _validate_segments(self):
if not POLICY_OVERLAPPING_SEGMENTS.is_ignore():
# Collect all the phys addr ranges
seg_ranges = []
for phdr in self._elf_parsegen.phdrs:
if self._elf_parsegen._segment_to_put(phdr):
seg_ranges.append((phdr.p_paddr, phdr.p_paddr + phdr.p_memsz, phdr.p_memsz))
# Sort ranges by start address
seg_ranges.sort(key=lambda x: x[0])
# Check for overlaps
overlapping = []
for idx in range(len(seg_ranges)-1):
if seg_ranges[idx+1][0] < seg_ranges[idx][1]:
overlapping.append((seg_ranges[idx], seg_ranges[idx+1]))
if overlapping:
# Create table header
table = TablePrinter([1])
table.insert_data(0, 0, 'S.No.')
table.insert_data(0, 1, 'Segment A', column_end=2)
table.insert_data(0, 3, 'Segment B', column_end=4)
# Create sub header
table.insert_data(1, 1, 'Phys')
table.insert_data(1, 2, 'Size')
table.insert_data(1, 3, 'Phys')
table.insert_data(1, 4, 'Size')
# Add all the overlapping segments
for idx, overlap in enumerate(overlapping):
table.insert_data(idx + 2, 1, hex(overlap[0][0]))
table.insert_data(idx + 2, 2, hex(overlap[0][2]))
table.insert_data(idx + 2, 3, hex(overlap[1][0]))
table.insert_data(idx + 2, 4, hex(overlap[1][2]))
# Create the error string
POLICY_OVERLAPPING_SEGMENTS.run('Following overlapping segments were found: ' + '\n' +
'\n'.join([' ' + l for l in table.get_data().split('\n')]))
def repr_seghdrs(segments):
retval = TablePrinter()
COLUMN_SNO = 0
COLUMN_OFF = 1
COLUMN_TYPE = 2
COLUMN_ATTR = 3
retval.insert_data(0, COLUMN_SNO, 'S.No')
retval.insert_data(0, COLUMN_OFF, 'Offset')
retval.insert_data(0, COLUMN_TYPE, 'Type')
retval.insert_data(0, COLUMN_ATTR, 'Attribute')
for idx, segment in enumerate(segments):
retval.insert_data(idx + 1, COLUMN_SNO, str(idx + 1))
retval.insert_data(idx + 1, COLUMN_OFF, hex(segment.offset))
retval.insert_data(idx + 1, COLUMN_TYPE,
df.SEG_TYPE_DESCRIPTION.get(segment.type))
retval.insert_data(idx + 1, COLUMN_ATTR, hex(segment.attribute))
return retval.get_data()
def repr_phdrs(phdrs):
retval = TablePrinter()
COLUMN_SNO = 0
COLUMN_TYPE = 1
COLUMN_OFF = 2
COLUMN_VADDR = 3
COLUMN_PADDR = 4
COLUMN_FSIZE = 5
COLUMN_MSIZE = 6
COLUMN_FLAGS = 7
COLUMN_ALIGN = 8
retval.insert_data(0, COLUMN_SNO, 'S.No')
retval.insert_data(0, COLUMN_TYPE, 'Type')
retval.insert_data(0, COLUMN_OFF, 'Offset')
retval.insert_data(0, COLUMN_VADDR, 'VirtAddr')
retval.insert_data(0, COLUMN_PADDR, 'PhysAddr')
retval.insert_data(0, COLUMN_FSIZE, 'FileSize')
retval.insert_data(0, COLUMN_MSIZE, 'MemSize')
retval.insert_data(0, COLUMN_FLAGS, 'Flags')
retval.insert_data(0, COLUMN_ALIGN, 'Align')
stats = [0] * (COLUMN_ALIGN + 1)
for idx, phdr in enumerate(phdrs):
stats[COLUMN_OFF] = phdr.p_offset if phdr.p_offset > stats[COLUMN_OFF] else stats[COLUMN_OFF]
stats[COLUMN_VADDR] = phdr.p_vaddr if phdr.p_vaddr > stats[COLUMN_VADDR] else stats[COLUMN_VADDR]
stats[COLUMN_PADDR] = phdr.p_paddr if phdr.p_paddr > stats[COLUMN_PADDR] else stats[COLUMN_PADDR]
stats[COLUMN_FSIZE] = phdr.p_filesz if phdr.p_filesz > stats[COLUMN_FSIZE] else stats[COLUMN_FSIZE]
stats[COLUMN_MSIZE] = phdr.p_memsz if phdr.p_memsz > stats[COLUMN_MSIZE] else stats[COLUMN_MSIZE]
stats[COLUMN_FLAGS] = phdr.p_flags if phdr.p_flags > stats[COLUMN_FLAGS] else stats[COLUMN_FLAGS]
for idx in range(COLUMN_ALIGN + 1):
stats[idx] = len(hex(stats[idx]).rstrip('L'))-2
for idx, phdr in enumerate(phdrs):
retval.insert_data(idx+1, COLUMN_SNO, str(idx+1))
retval.insert_data(idx+1, COLUMN_TYPE, PT_DESCRIPTION.get(phdr.p_type, phdr.p_type))
retval.insert_data(idx+1, COLUMN_OFF, hex_addr(phdr.p_offset, stats[COLUMN_OFF]))
retval.insert_data(idx+1, COLUMN_VADDR, hex_addr(phdr.p_vaddr, stats[COLUMN_VADDR]))
retval.insert_data(idx+1, COLUMN_PADDR, hex_addr(phdr.p_paddr, stats[COLUMN_PADDR]))
retval.insert_data(idx+1, COLUMN_FSIZE, hex_addr(phdr.p_filesz, stats[COLUMN_FSIZE]))
retval.insert_data(idx+1, COLUMN_MSIZE, hex_addr(phdr.p_memsz, stats[COLUMN_MSIZE]))
retval.insert_data(idx+1, COLUMN_FLAGS, hex_addr(phdr.p_flags, stats[COLUMN_FLAGS]))
retval.insert_data(idx+1, COLUMN_ALIGN, hex(phdr.p_align), justify=retval.LEFT)
return retval.get_data()
def repr_shdrs(shdrs, sno_range=None):
retval = TablePrinter()
COLUMN_SNO = 0
COLUMN_NAME = 1
COLUMN_TYPE = 2
COLUMN_ADDR = 3
COLUMN_OFF = 4
COLUMN_SIZE = 5
COLUMN_ENTSIZE = 6
COLUMN_FLAGS = 7
COLUMN_LINK = 8
COLUMN_INFO = 9
COLUMN_ALIGN = 10
retval.insert_data(0, COLUMN_SNO, 'Num')
retval.insert_data(0, COLUMN_NAME, 'Name')
retval.insert_data(0, COLUMN_TYPE, 'Type')
retval.insert_data(0, COLUMN_ADDR, 'Addr')
retval.insert_data(0, COLUMN_OFF, 'Offset')
retval.insert_data(0, COLUMN_SIZE, 'Size')
retval.insert_data(0, COLUMN_ENTSIZE, 'EntSize')
retval.insert_data(0, COLUMN_FLAGS, 'Flags')
retval.insert_data(0, COLUMN_LINK, 'Link')
retval.insert_data(0, COLUMN_INFO, 'Info')
retval.insert_data(0, COLUMN_ALIGN, 'Align')
stats = [0] * (COLUMN_ALIGN + 1)
for idx, shdr in enumerate(shdrs):
stats[COLUMN_ADDR] = shdr.sh_addr if shdr.sh_addr > stats[COLUMN_ADDR] else stats[COLUMN_ADDR]
stats[COLUMN_OFF] = shdr.sh_offset if shdr.sh_offset > stats[COLUMN_OFF] else stats[COLUMN_OFF]
stats[COLUMN_SIZE] = shdr.sh_size if shdr.sh_size > stats[COLUMN_SIZE] else stats[COLUMN_SIZE]
stats[COLUMN_ENTSIZE] = shdr.sh_entsize if shdr.sh_entsize > stats[COLUMN_ENTSIZE] else stats[COLUMN_ENTSIZE]
for idx in range(COLUMN_ALIGN + 1):
stats[idx] = len(hex(stats[idx]).rstrip('L'))-2
if sno_range is None:
sno_range = range(1, len(shdrs)+1)
for idx, shdr in enumerate(shdrs):
retval.insert_data(idx+1, COLUMN_SNO, str(sno_range[idx]))
retval.insert_data(idx+1, COLUMN_NAME, shdr.sh_name_str, justify=retval.LEFT)
retval.insert_data(idx+1, COLUMN_TYPE, str(ST_DESCRIPTION.get(shdr.sh_type, shdr.sh_type)), justify=retval.LEFT)
retval.insert_data(idx+1, COLUMN_ADDR, hex_addr(shdr.sh_addr, stats[COLUMN_ADDR]))
retval.insert_data(idx+1, COLUMN_OFF, hex_addr(shdr.sh_offset, stats[COLUMN_OFF]))
retval.insert_data(idx+1, COLUMN_SIZE, hex_addr(shdr.sh_size, stats[COLUMN_SIZE]))
retval.insert_data(idx+1, COLUMN_ENTSIZE, hex_addr(shdr.sh_entsize, stats[COLUMN_ENTSIZE]))
retval.insert_data(idx+1, COLUMN_FLAGS, PERM_DESCRIPTION.get(shdr.flags, ""))
retval.insert_data(idx+1, COLUMN_LINK, shdr.sh_link)
retval.insert_data(idx+1, COLUMN_INFO, shdr.sh_info)
retval.insert_data(idx+1, COLUMN_ALIGN, shdr.sh_addralign)
return retval.get_data()
def validate(self, image, root_cert_hash=None, imageinfo=None):
if image.is_signed():
# Create error string
errstr = []
for i, data_to_sign, data_signature, cert_chain in image.get_signing_assets(
):
# Check if empty
if not data_signature and not cert_chain:
if i != image.authority:
logger.warning(i + ' signature is not present')
else:
raise RuntimeError(i + ' signature is not present')
continue
# Extract the cert chain list
cert_chain_der = crypto_functions.split_certificate_blob_into_certs(
cert_chain)
# Signature verification
if not self.validate_sig(data_to_sign, data_signature,
cert_chain_der):
errstr.append(i + ' signature is invalid')
# OID Validation
if len(cert_chain_der) == 3:
if not self.validate_oid_from_certs(
cert_chain_der[1], cert_chain_der[0]):
errstr.append(
'OID values in the certificate are invalid')
# Extract the cert chain list
cert_chain_blob = image.cert_chain
cert_chain_der = crypto_functions.split_certificate_blob_into_certs(
cert_chain_blob)
# Root cert hash validation
if root_cert_hash:
if not cert_chain_der:
errstr.append(
'Root certificate for ' + image.authority +
' is not present in image for root cert hash verification'
)
elif not self.validate_root_cert_hash(cert_chain_der,
root_cert_hash):
errstr.append(
'Root certificate from image does not match the given root cert hash value'
)
# Signing attributes vaidation
if imageinfo is not None:
if not cert_chain_der:
errstr.append(
'Certificate chain for ' + image.authority +
' is not present in image signing attributes verification'
)
else:
mismatch = self.validate_signing_attributes(
cert_chain_der, imageinfo)
if mismatch:
tp = TablePrinter()
tp.insert_data(0, 0, 'Attribute')
tp.insert_data(0, 1, 'Attestation Cert')
tp.insert_data(0, 2, 'Config File')
i = 0
for m in mismatch:
# Handle formatting of items that are lists
if isinstance(m[1], list) and isinstance(
m[2], list):
num_rows = max(len(m[1]), len(m[2]))
tp.insert_data(i + 1, 0, m[0])
for n in range(num_rows):
if n < len(m[1]):
tp.insert_data(i + n + 1, 1, m[1][n])
else:
tp.insert_data(i + n + 1, 1, "")
if n < len(m[2]):
tp.insert_data(i + n + 1, 2, m[2][n])
else:
tp.insert_data(i + n + 1, 2, "")
i += num_rows
continue
tp.insert_data(i + 1, 0, m[0])
tp.insert_data(i + 1, 1, m[1])
tp.insert_data(i + 1, 2, m[2])
i += 1
errstr.append(
'Following signing attributes do not match: \n '
+ '\n '.join(tp.get_data().split('\n')))
if errstr:
raise RuntimeError(
'Following validations failed for the image:\n ' +
'\n '.join([(str(i + 1) + '. ' + e)
for i, e in enumerate(errstr)]))
return True
else:
raise RuntimeError("Image supplied is not signed.")