1 files changed, 114 insertions, 0 deletions
diff --git a/include/linux/personality.h b/include/linux/personality.h
new file mode 100644
index 000000000000..80d780e5a8f5
--- /dev/null
+++ b/include/linux/personality.h
@@ -0,0 +1,114 @@
+#ifndef _LINUX_PERSONALITY_H
+#define _LINUX_PERSONALITY_H
+/*
+ * Handling of different ABIs (personalities).
+ */
+struct exec_domain;
+struct pt_regs;
+extern int              register_exec_domain(struct exec_domain *);
+extern int              unregister_exec_domain(struct exec_domain *);
+extern int              __set_personality(unsigned long);
+/*
+ * Flags for bug emulation.
+ *
+ * These occupy the top three bytes.
+ */
+enum {
+        ADDR_NO_RANDOMIZE =     0x0040000,      /* disable randomization of VA space */
+        FDPIC_FUNCPTRS =        0x0080000,      /* userspace function ptrs point to descriptors
+                                                 * (signal handling)
+                                                 */
+        MMAP_PAGE_ZERO =        0x0100000,
+        ADDR_COMPAT_LAYOUT =    0x0200000,
+        READ_IMPLIES_EXEC =     0x0400000,
+        ADDR_LIMIT_32BIT =      0x0800000,
+        SHORT_INODE =           0x1000000,
+        WHOLE_SECONDS =         0x2000000,
+        STICKY_TIMEOUTS =       0x4000000,
+        ADDR_LIMIT_3GB =        0x8000000,
+};
+/*
+ * Security-relevant compatibility flags that must be
+ * cleared upon setuid or setgid exec:
+ */
+#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE)
+/*
+ * Personality types.
+ *
+ * These go in the low byte.  Avoid using the top bit, it will
+ * conflict with error returns.
+ */
+enum {
+        PER_LINUX =             0x0000,
+        PER_LINUX_32BIT =       0x0000 | ADDR_LIMIT_32BIT,
+        PER_LINUX_FDPIC =       0x0000 | FDPIC_FUNCPTRS,
+        PER_SVR4 =              0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
+        PER_SVR3 =              0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
+        PER_SCOSVR3 =           0x0003 | STICKY_TIMEOUTS |
+                                         WHOLE_SECONDS | SHORT_INODE,
+        PER_OSR5 =              0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
+        PER_WYSEV386 =          0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
+        PER_ISCR4 =             0x0005 | STICKY_TIMEOUTS,
+        PER_BSD =               0x0006,
+        PER_SUNOS =             0x0006 | STICKY_TIMEOUTS,
+        PER_XENIX =             0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
+        PER_LINUX32 =           0x0008,
+        PER_LINUX32_3GB =       0x0008 | ADDR_LIMIT_3GB,
+        PER_IRIX32 =            0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */
+        PER_IRIXN32 =           0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */
+        PER_IRIX64 =            0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */
+        PER_RISCOS =            0x000c,
+        PER_SOLARIS =           0x000d | STICKY_TIMEOUTS,
+        PER_UW7 =               0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
+        PER_OSF4 =              0x000f,                  /* OSF/1 v4 */
+        PER_HPUX =              0x0010,
+        PER_MASK =              0x00ff,
+};
+/*
+ * Description of an execution domain.
+ * 
+ * The first two members are refernced from assembly source
+ * and should stay where they are unless explicitly needed.
+ */
+typedef void (*handler_t)(int, struct pt_regs *);
+struct exec_domain {
+        const char              *name;          /* name of the execdomain */
+        handler_t               handler;        /* handler for syscalls */
+        unsigned char           pers_low;       /* lowest personality */
+        unsigned char           pers_high;      /* highest personality */
+        unsigned long           *signal_map;    /* signal mapping */
+        unsigned long           *signal_invmap; /* reverse signal mapping */
+        struct map_segment      *err_map;       /* error mapping */
+        struct map_segment      *socktype_map;  /* socket type mapping */
+        struct map_segment      *sockopt_map;   /* socket option mapping */
+        struct map_segment      *af_map;        /* address family mapping */
+        struct module           *module;        /* module context of the ed. */
+        struct exec_domain      *next;          /* linked list (internal) */
+};
+/*
+ * Return the base personality without flags.
+ */
+#define personality(pers)       (pers & PER_MASK)
+/*
+ * Personality of the currently running process.
+ */
+#define get_personality         (current->personality)
+/*
+ * Change personality of the currently running process.
+ */
+#define set_personality(pers) \
+        ((current->personality == pers) ? 0 : __set_personality(pers))
+#endif /* _LINUX_PERSONALITY_H */

diff --git a/include/linux/personality.h b/include/linux/personality.h new file mode 100644 index 000000000000..80d780e5a8f5 --- /dev/null +++ b/include/linux/personality.h
@@ -0,0 +1,114 @@
	1	#ifndef _LINUX_PERSONALITY_H
	2	#define _LINUX_PERSONALITY_H
	3
	4	/*
	5	* Handling of different ABIs (personalities).
	6	*/
	7
	8	struct exec_domain;
	9	struct pt_regs;
	10
	11	extern int register_exec_domain(struct exec_domain *);
	12	extern int unregister_exec_domain(struct exec_domain *);
	13	extern int __set_personality(unsigned long);
	14
	15	/*
	16	* Flags for bug emulation.
	17	*
	18	* These occupy the top three bytes.
	19	*/
	20	enum {
	21	ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */
	22	FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors
	23	* (signal handling)
	24	*/
	25	MMAP_PAGE_ZERO = 0x0100000,
	26	ADDR_COMPAT_LAYOUT = 0x0200000,
	27	READ_IMPLIES_EXEC = 0x0400000,
	28	ADDR_LIMIT_32BIT = 0x0800000,
	29	SHORT_INODE = 0x1000000,
	30	WHOLE_SECONDS = 0x2000000,
	31	STICKY_TIMEOUTS = 0x4000000,
	32	ADDR_LIMIT_3GB = 0x8000000,
	33	};
	34
	35	/*
	36	* Security-relevant compatibility flags that must be
	37	* cleared upon setuid or setgid exec:
	38	*/
	39	#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC\|ADDR_NO_RANDOMIZE)
	40
	41	/*
	42	* Personality types.
	43	*
	44	* These go in the low byte. Avoid using the top bit, it will
	45	* conflict with error returns.
	46	*/
	47	enum {
	48	PER_LINUX = 0x0000,
	49	PER_LINUX_32BIT = 0x0000 \| ADDR_LIMIT_32BIT,
	50	PER_LINUX_FDPIC = 0x0000 \| FDPIC_FUNCPTRS,
	51	PER_SVR4 = 0x0001 \| STICKY_TIMEOUTS \| MMAP_PAGE_ZERO,
	52	PER_SVR3 = 0x0002 \| STICKY_TIMEOUTS \| SHORT_INODE,
	53	PER_SCOSVR3 = 0x0003 \| STICKY_TIMEOUTS \|
	54	WHOLE_SECONDS \| SHORT_INODE,
	55	PER_OSR5 = 0x0003 \| STICKY_TIMEOUTS \| WHOLE_SECONDS,
	56	PER_WYSEV386 = 0x0004 \| STICKY_TIMEOUTS \| SHORT_INODE,
	57	PER_ISCR4 = 0x0005 \| STICKY_TIMEOUTS,
	58	PER_BSD = 0x0006,
	59	PER_SUNOS = 0x0006 \| STICKY_TIMEOUTS,
	60	PER_XENIX = 0x0007 \| STICKY_TIMEOUTS \| SHORT_INODE,
	61	PER_LINUX32 = 0x0008,
	62	PER_LINUX32_3GB = 0x0008 \| ADDR_LIMIT_3GB,
	63	PER_IRIX32 = 0x0009 \| STICKY_TIMEOUTS,/* IRIX5 32-bit */
	64	PER_IRIXN32 = 0x000a \| STICKY_TIMEOUTS,/* IRIX6 new 32-bit */
	65	PER_IRIX64 = 0x000b \| STICKY_TIMEOUTS,/* IRIX6 64-bit */
	66	PER_RISCOS = 0x000c,
	67	PER_SOLARIS = 0x000d \| STICKY_TIMEOUTS,
	68	PER_UW7 = 0x000e \| STICKY_TIMEOUTS \| MMAP_PAGE_ZERO,
	69	PER_OSF4 = 0x000f, /* OSF/1 v4 */
	70	PER_HPUX = 0x0010,
	71	PER_MASK = 0x00ff,
	72	};
	73
	74
	75	/*
	76	* Description of an execution domain.
	77	*
	78	* The first two members are refernced from assembly source
	79	* and should stay where they are unless explicitly needed.
	80	*/
	81	typedef void (handler_t)(int, struct pt_regs );
	82
	83	struct exec_domain {
	84	const char name; / name of the execdomain */
	85	handler_t handler; /* handler for syscalls */
	86	unsigned char pers_low; /* lowest personality */
	87	unsigned char pers_high; /* highest personality */
	88	unsigned long signal_map; / signal mapping */
	89	unsigned long signal_invmap; / reverse signal mapping */
	90	struct map_segment err_map; / error mapping */
	91	struct map_segment socktype_map; / socket type mapping */
	92	struct map_segment sockopt_map; / socket option mapping */
	93	struct map_segment af_map; / address family mapping */
	94	struct module module; / module context of the ed. */
	95	struct exec_domain next; / linked list (internal) */
	96	};
	97
	98	/*
	99	* Return the base personality without flags.
	100	*/
	101	#define personality(pers) (pers & PER_MASK)
	102
	103	/*
	104	* Personality of the currently running process.
	105	*/
	106	#define get_personality (current->personality)
	107
	108	/*
	109	* Change personality of the currently running process.
	110	*/
	111	#define set_personality(pers) \
	112	((current->personality == pers) ? 0 : __set_personality(pers))
	113
	114	#endif /* _LINUX_PERSONALITY_H */