syzkaller/sys/linux/smack.txt
Dmitry Vyukov 28d9ac763d sys/linux: add lsm attrs and xattrs
Add descriptions for /proc/self/attr/* and known lsm file xattrs.
2018-09-23 20:30:20 +02:00

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# Copyright 2018 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
resource fd_smack_current[fd]
# TODO: what exactly is this smack entry? Do we need to pass some known strings?
type smack_entry string
openat$smack_task_current(fd const[AT_FDCWD], file ptr[in, string["/proc/self/attr/current"]], flags const[O_RDWR], mode const[0]) fd_smack_current
openat$smack_thread_current(fd const[AT_FDCWD], file ptr[in, string["/proc/thread-self/attr/current"]], flags const[O_RDWR], mode const[0]) fd_smack_current
write$smack_current(fd fd_smack_current, data ptr[in, smack_entry], len len[data])
setxattr$security_smack_entry(path ptr[in, filename], name ptr[in, string[smack_xattr_entry]], val ptr[in, smack_entry], size len[val], flags flags[setxattr_flags])
lsetxattr$security_smack_entry(path ptr[in, filename], name ptr[in, string[smack_xattr_entry]], val ptr[in, smack_entry], size len[val], flags flags[setxattr_flags])
fsetxattr$security_smack_entry(fd fd, name ptr[in, string[smack_xattr_entry]], val ptr[in, smack_entry], size len[val], flags flags[setxattr_flags])
smack_xattr_entry = "security.SMACK64", "security.SMACK64IPIN", "security.SMACK64IPOUT", "security.SMACK64EXEC", "security.SMACK64MMAP"
setxattr$security_smack_transmute(path ptr[in, filename], name ptr[in, string["security.SMACK64TRANSMUTE"]], val ptr[in, stringnoz["TRUE"]], size len[val], flags flags[setxattr_flags])
lsetxattr$security_smack_transmute(path ptr[in, filename], name ptr[in, string["security.SMACK64TRANSMUTE"]], val ptr[in, stringnoz["TRUE"]], size len[val], flags flags[setxattr_flags])
fsetxattr$security_smack_transmute(fd fd, name ptr[in, string["security.SMACK64TRANSMUTE"]], val ptr[in, stringnoz["TRUE"]], size len[val], flags flags[setxattr_flags])