1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _UAPI_LINUX_PERSONALITY_H 3607ca46eSDavid Howells #define _UAPI_LINUX_PERSONALITY_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells 6607ca46eSDavid Howells /* 7607ca46eSDavid Howells * Flags for bug emulation. 8607ca46eSDavid Howells * 9607ca46eSDavid Howells * These occupy the top three bytes. 10607ca46eSDavid Howells */ 11607ca46eSDavid Howells enum { 12607ca46eSDavid Howells UNAME26 = 0x0020000, 13607ca46eSDavid Howells ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ 14607ca46eSDavid Howells FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors 15607ca46eSDavid Howells * (signal handling) 16607ca46eSDavid Howells */ 17607ca46eSDavid Howells MMAP_PAGE_ZERO = 0x0100000, 18607ca46eSDavid Howells ADDR_COMPAT_LAYOUT = 0x0200000, 19607ca46eSDavid Howells READ_IMPLIES_EXEC = 0x0400000, 20607ca46eSDavid Howells ADDR_LIMIT_32BIT = 0x0800000, 21607ca46eSDavid Howells SHORT_INODE = 0x1000000, 22607ca46eSDavid Howells WHOLE_SECONDS = 0x2000000, 23607ca46eSDavid Howells STICKY_TIMEOUTS = 0x4000000, 24607ca46eSDavid Howells ADDR_LIMIT_3GB = 0x8000000, 25607ca46eSDavid Howells }; 26607ca46eSDavid Howells 27607ca46eSDavid Howells /* 28607ca46eSDavid Howells * Security-relevant compatibility flags that must be 29607ca46eSDavid Howells * cleared upon setuid or setgid exec: 30607ca46eSDavid Howells */ 31607ca46eSDavid Howells #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ 32607ca46eSDavid Howells ADDR_NO_RANDOMIZE | \ 33607ca46eSDavid Howells ADDR_COMPAT_LAYOUT | \ 34607ca46eSDavid Howells MMAP_PAGE_ZERO) 35607ca46eSDavid Howells 36607ca46eSDavid Howells /* 37607ca46eSDavid Howells * Personality types. 38607ca46eSDavid Howells * 39607ca46eSDavid Howells * These go in the low byte. Avoid using the top bit, it will 40607ca46eSDavid Howells * conflict with error returns. 41607ca46eSDavid Howells */ 42607ca46eSDavid Howells enum { 43607ca46eSDavid Howells PER_LINUX = 0x0000, 44607ca46eSDavid Howells PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, 45607ca46eSDavid Howells PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, 46607ca46eSDavid Howells PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, 47607ca46eSDavid Howells PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, 48607ca46eSDavid Howells PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | 49607ca46eSDavid Howells WHOLE_SECONDS | SHORT_INODE, 50607ca46eSDavid Howells PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, 51607ca46eSDavid Howells PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, 52607ca46eSDavid Howells PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, 53607ca46eSDavid Howells PER_BSD = 0x0006, 54607ca46eSDavid Howells PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, 55607ca46eSDavid Howells PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, 56607ca46eSDavid Howells PER_LINUX32 = 0x0008, 57607ca46eSDavid Howells PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, 58607ca46eSDavid Howells PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ 59607ca46eSDavid Howells PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ 60607ca46eSDavid Howells PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ 61607ca46eSDavid Howells PER_RISCOS = 0x000c, 62607ca46eSDavid Howells PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, 63607ca46eSDavid Howells PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, 64607ca46eSDavid Howells PER_OSF4 = 0x000f, /* OSF/1 v4 */ 65607ca46eSDavid Howells PER_HPUX = 0x0010, 66607ca46eSDavid Howells PER_MASK = 0x00ff, 67607ca46eSDavid Howells }; 68607ca46eSDavid Howells 69607ca46eSDavid Howells 70607ca46eSDavid Howells #endif /* _UAPI_LINUX_PERSONALITY_H */ 71