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Avoid overwriting custom procfs mappings

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This commit is contained in:
elicn
2023-04-02 21:34:45 +03:00
parent 5aedbaf166
commit 82610397ac
1 changed files with 12 additions and 5 deletions
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qiling/os/linux/linux.py
+12 -5
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@@ -121,11 +121,18 @@ class QlOsLinux(QlOsPosix):
self.fd[i] = None
def setup_procfs(self):
self.fs_mapper.add_mapping(r'/proc/self/auxv', partial(QlProcFS.self_auxv, self), force=True)
self.fs_mapper.add_mapping(r'/proc/self/cmdline', partial(QlProcFS.self_cmdline, self), force=True)
self.fs_mapper.add_mapping(r'/proc/self/environ', partial(QlProcFS.self_environ, self), force=True)
self.fs_mapper.add_mapping(r'/proc/self/exe', partial(QlProcFS.self_exe, self), force=True)
self.fs_mapper.add_mapping(r'/proc/self/maps', partial(QlProcFS.self_map, self.ql.mem), force=True)
files = (
(r'/proc/self/auxv', lambda: partial(QlProcFS.self_auxv, self)),
(r'/proc/self/cmdline', lambda: partial(QlProcFS.self_cmdline, self)),
(r'/proc/self/environ', lambda: partial(QlProcFS.self_environ, self)),
(r'/proc/self/exe', lambda: partial(QlProcFS.self_exe, self)),
(r'/proc/self/maps', lambda: partial(QlProcFS.self_map, self.ql.mem))
)
for filename, wrapper in files:
# add mapping only if the user has not already mapped it
if not self.fs_mapper.has_mapping(filename):
self.fs_mapper.add_mapping(filename, wrapper())
def hook_syscall(self, ql, intno = None):
return self.load_syscall()