xnu-2782.20.48.tar.gz

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

diff --git a/bsd/sys/imgact.h b/bsd/sys/imgact.h
index 65aa3d9c34b973e2eddd4b7545529709f93df83a..945da513d99a6ac70ed27a1c07bf7e8c38237333 100644 (file)
--- a/bsd/sys/imgact.h
+++ b/bsd/sys/imgact.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2005, 2011 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -57,11 +57,18 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
 #ifndef _SYS_IMGACT_H_
 #define        _SYS_IMGACT_H_
 
 #define        IMG_SHSIZE      512     /* largest shell interpreter, in bytes */
 
+struct label;
 struct proc;
 struct nameidata;
 
@@ -69,37 +76,61 @@ struct image_params {
        user_addr_t     ip_user_fname;          /* argument */
        user_addr_t     ip_user_argv;           /* argument */
        user_addr_t     ip_user_envv;           /* argument */
+       int             ip_seg;                 /* segment for arguments */
        struct vnode    *ip_vp;                 /* file */
        struct vnode_attr       *ip_vattr;      /* run file attributes */
        struct vnode_attr       *ip_origvattr;  /* invocation file attributes */
+       cpu_type_t      ip_origcputype;         /* cputype of invocation file */
+       cpu_subtype_t   ip_origcpusubtype;      /* subtype of invocation file */
        char            *ip_vdata;              /* file data (up to one page) */
        int             ip_flags;               /* image flags */
        int             ip_argc;                /* argument count */
-       char            *ip_argv;               /* argument vector beginning */
        int             ip_envc;                /* environment count */
+       int             ip_applec;              /* apple vector count */
+
+       char            *ip_startargv;          /* argument vector beginning */
+       char            *ip_endargv;    /* end of argv/start of envv */
+       char            *ip_endenvv;    /* end of envv/start of applev */
+
        char            *ip_strings;            /* base address for strings */
        char            *ip_strendp;            /* current end pointer */
-       char            *ip_strendargvp;        /* end of argv/start of envp */
-       int             ip_strspace;            /* remaining space */
+
+       int             ip_argspace;    /* remaining space of NCARGS limit (argv+envv) */
+       int             ip_strspace;            /* remaining total string space */
+
        user_size_t     ip_arch_offset;         /* subfile offset in ip_vp */
        user_size_t     ip_arch_size;           /* subfile length in ip_vp */
-       char            ip_interp_name[IMG_SHSIZE];     /* interpreter name */
+       char            ip_interp_buffer[IMG_SHSIZE];   /* interpreter buffer space */
+       int             ip_interp_sugid_fd;             /* fd for sugid script */
 
-       /* Next two fields are for support of Classic... */
+       /* Next two fields are for support of architecture translation... */
        char            *ip_p_comm;             /* optional alt p->p_comm */
-       char            *ip_tws_cache_name;     /* task working set cache */
        struct vfs_context      *ip_vfs_context;        /* VFS context */
        struct nameidata *ip_ndp;               /* current nameidata */
-       thread_t        ip_vfork_thread;        /* thread created, if vfork */
+       thread_t        ip_new_thread;          /* thread for spawn/vfork */
+
+       struct label    *ip_execlabelp;         /* label of the executable */
+       struct label    *ip_scriptlabelp;       /* label of the script */
+       struct vnode    *ip_scriptvp;           /* script */
+       unsigned int    ip_csflags;             /* code signing flags */
+       int             ip_mac_return;          /* return code from mac policy checks */
+       void            *ip_px_sa;
+       void            *ip_px_sfa;
+       void            *ip_px_spa;
+       void            *ip_px_smpx;            /* MAC-specific spawn attrs. */
 };
 
 /*
  * Image flags
  */
-#define        IMGPF_NONE      0x00000000              /* No flags */
-#define        IMGPF_INTERPRET 0x00000001              /* Interpreter invoked */
-#define        IMGPF_RESERVED1 0x00000002              /* reserved */
-#define        IMGPF_WAS_64BIT 0x00000004              /* exec from a 64Bit binary */
-#define        IMGPF_IS_64BIT  0x00000008              /* exec to a 64Bit binary */
+#define        IMGPF_NONE              0x00000000      /* No flags */
+#define        IMGPF_INTERPRET         0x00000001      /* Interpreter invoked */
+#define        IMGPF_RESERVED          0x00000002
+#define        IMGPF_WAS_64BIT         0x00000004      /* exec from a 64Bit binary */
+#define        IMGPF_IS_64BIT          0x00000008      /* exec to a 64Bit binary */
+#define        IMGPF_SPAWN             0x00000010      /* spawn (without setexec) */
+#define        IMGPF_DISABLE_ASLR      0x00000020      /* disable ASLR */
+#define        IMGPF_ALLOW_DATA_EXEC   0x00000040      /* forcibly disallow data execution */
+#define        IMGPF_VFORK_EXEC        0x00000080      /* vfork followed by exec */
 
 #endif /* !_SYS_IMGACT */