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check for root priveleges to access eeprom

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This commit is contained in:
Justin Thomas 2023-12-15 20:03:32 +00:00
parent be99434991
commit a5efee4a57
1 changed files with 34 additions and 30 deletions
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64
platform/broadcom/sonic-platform-modules-dell/n3248te/sonic_platform/eeprom.py
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@ -10,6 +10,7 @@
#############################################################################
try:
import os.path
import os.geteuid
from sonic_eeprom import eeprom_tlvinfo
except ImportError as e:
raise ImportError(str(e) + "- required module not found")
@ -25,37 +26,40 @@ class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
self.eeprom_path = f
super(Eeprom, self).__init__(self.eeprom_path, 0, '', True)
self.eeprom_tlv_dict = dict()
try:
self.eeprom_data = self.read_eeprom()
except Exception:
if os.geteuid() == 0:
try:
self.eeprom_data = self.read_eeprom()
except Exception:
self.eeprom_data = "N/A"
raise RuntimeError("Eeprom is not Programmed")
eeprom = self.eeprom_data
if not self.is_valid_tlvinfo_header(eeprom):
return
total_length = ((eeprom[9]) << 8) | (eeprom[10])
tlv_index = self._TLV_INFO_HDR_LEN
tlv_end = self._TLV_INFO_HDR_LEN + total_length
while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
if not self.is_valid_tlv(eeprom[tlv_index:]):
break
tlv = eeprom[tlv_index:tlv_index + 2
+ (eeprom[tlv_index + 1])]
code = "0x%02X" % ((tlv[0]))
name, value = self.decoder(None, tlv)
self.eeprom_tlv_dict[code] = value
if (eeprom[tlv_index]) == self._TLV_CODE_CRC_32:
break
tlv_index += (eeprom[tlv_index+1]) + 2
else:
self.eeprom_data = "N/A"
raise RuntimeError("Eeprom is not Programmed")
eeprom = self.eeprom_data
if not self.is_valid_tlvinfo_header(eeprom):
return
total_length = ((eeprom[9]) << 8) | (eeprom[10])
tlv_index = self._TLV_INFO_HDR_LEN
tlv_end = self._TLV_INFO_HDR_LEN + total_length
while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
if not self.is_valid_tlv(eeprom[tlv_index:]):
break
tlv = eeprom[tlv_index:tlv_index + 2
+ (eeprom[tlv_index + 1])]
code = "0x%02X" % ((tlv[0]))
name, value = self.decoder(None, tlv)
self.eeprom_tlv_dict[code] = value
if (eeprom[tlv_index]) == self._TLV_CODE_CRC_32:
break
tlv_index += (eeprom[tlv_index+1]) + 2
def serial_number_str(self):
"""