8000 Fix ELF argv encoding by elicn · Pull Request #1303 · qilingframework/qiling · GitHub
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Fix ELF argv encoding #1303

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Merged
merged 1 commit into from
Jan 15, 2023
Merged

Fix ELF argv encoding #1303

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2 changes: 1 addition & 1 deletion qiling/loader/elf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,7 @@ def __push_str(top: int, s: str) -> int:
Top of stack remains aligned to pointer size
"""

data = s.encode('utf-8') + b'\x00'
data = s.encode('latin') + b'\x00'
top = self.ql.mem.align(top - len(data), self.ql.arch.pointersize)
self.ql.mem.write(top, data)

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6 changes: 3 additions & 3 deletions qiling/os/linux/procfs.py
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Expand Up @@ -42,7 +42,7 @@ def self_auxv(os: 'QlOsLinux') -> QlFsMappedObject:

@staticmethod
def self_cmdline(os: 'QlOsLinux') -> QlFsMappedObject:
entries = (arg.encode('utf-8') for arg in os.ql.argv)
entries = (arg.encode('latin') for arg in os.ql.argv)
cmdline = b'\x00'.join(entries) + b'\x00'

return FsMappedStream(r'/proc/self/cmdline', cmdline)
Expand All @@ -51,7 +51,7 @@ def self_cmdline(os: 'QlOsLinux') -> QlFsMappedObject:
def self_environ(os: 'QlOsLinux') -> QlFsMappedObject:
def __to_bytes(s: AnyStr) -> bytes:
if isinstance(s, str):
return s.encode('utf-8')
return s.encode('latin')

return s

Expand All @@ -73,6 +73,6 @@ def self_map(mem: 'QlMemoryManager') -> QlFsMappedObject:
mapinfo = mem.get_mapinfo()

for lbound, ubound, perms, label, container in mapinfo:
content += f"{lbound:x}-{ubound:x}\t{perms}p\t0\t00:00\t0\t{container if container else label}\n".encode("utf-8")
content += f"{lbound:x}-{ubound:x}\t{perms}p\t0\t00:00\t0\t{container if container else label}\n".encode("latin")

return FsMappedStream(r'/proc/self/map', content)
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