xnu-3248.50.21.tar.gz

[apple/xnu.git] / bsd / sys / spawn_internal.h

diff --git a/bsd/sys/spawn_internal.h b/bsd/sys/spawn_internal.h
index e794747db6ab98917fc1efc0903ba7b480211c60..e86e6c2fdd7c8582a54f39da1b321717c8daf4cc 100644 (file)
--- a/bsd/sys/spawn_internal.h
+++ b/bsd/sys/spawn_internal.h
@@ -131,6 +131,33 @@ struct _posix_spawn_coalition_info {
        } psci_info[COALITION_NUM_TYPES];
 };
 
+/*
+ * Persona attributes
+ */
+struct _posix_spawn_persona_info {
+       uid_t    pspi_id;       /* persona ID (unix UID) */
+       uint32_t pspi_flags;    /* spawn persona flags */
+       uid_t    pspi_uid;      /* alternate posix/unix UID  */
+       gid_t    pspi_gid;      /* alternate posix/unix GID */
+       uint32_t pspi_ngroups;  /* alternate advisory groups */
+       gid_t    pspi_groups[NGROUPS];
+       uid_t    pspi_gmuid;    /* group membership UID */
+};
+
+#define POSIX_SPAWN_PERSONA_FLAGS_NONE     0x0
+#define POSIX_SPAWN_PERSONA_FLAGS_OVERRIDE 0x1
+#define POSIX_SPAWN_PERSONA_FLAGS_VERIFY   0x2
+
+#define POSIX_SPAWN_PERSONA_ALL_FLAGS \
+       (POSIX_SPAWN_PERSONA_FLAGS_OVERRIDE \
+        | POSIX_SPAWN_PERSONA_FLAGS_VERIFY \
+       )
+
+#define POSIX_SPAWN_PERSONA_UID           0x00010000
+#define POSIX_SPAWN_PERSONA_GID           0x00020000
+#define POSIX_SPAWN_PERSONA_GROUPS        0x00040000
+
+
 /*
  * A posix_spawnattr structure contains all of the attribute elements that
  * can be set, as well as any metadata whose validity is signalled by the
@@ -168,7 +195,7 @@ typedef struct _posix_spawnattr {
         _posix_spawn_port_actions_t    psa_ports; /* special/exception ports */
        _posix_spawn_mac_policy_extensions_t psa_mac_extensions; /* MAC policy-specific extensions. */
        struct _posix_spawn_coalition_info *psa_coalition_info;  /* coalition info */
-       void            *reserved;
+       struct _posix_spawn_persona_info   *psa_persona_info;    /* spawn new process into given persona */
 } *_posix_spawnattr_t;
 
 /*
@@ -339,8 +366,8 @@ struct _posix_spawn_args_desc {
        __darwin_size_t coal_info_size;
        struct _posix_spawn_coalition_info *coal_info;  /* pointer to coalition info */
 
-       __darwin_size_t reserved_size;
-       void *reserved;
+       __darwin_size_t persona_info_size;
+       struct _posix_spawn_persona_info   *persona_info;
 };
 
 #ifdef KERNEL
@@ -362,8 +389,8 @@ struct user32__posix_spawn_args_desc {
        uint32_t        mac_extensions;
        uint32_t        coal_info_size;
        uint32_t        coal_info;
-       uint32_t        reserved_size;
-       uint32_t        reserved;
+       uint32_t        persona_info_size;
+       uint32_t        persona_info;
 };
 
 struct user__posix_spawn_args_desc {
@@ -377,8 +404,8 @@ struct user__posix_spawn_args_desc {
        user_addr_t     mac_extensions;         /* pointer to block */
        user_size_t     coal_info_size;
        user_addr_t     coal_info;
-       user_size_t     reserved_size;
-       user_addr_t     reserved;
+       user_size_t     persona_info_size;
+       user_addr_t     persona_info;
 };