diff options
Diffstat (limited to 'boot-proxy-exc/bootstrapServer.c')
| -rw-r--r-- | boot-proxy-exc/bootstrapServer.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/boot-proxy-exc/bootstrapServer.c b/boot-proxy-exc/bootstrapServer.c new file mode 100644 index 00000000..2aa817be --- /dev/null +++ b/boot-proxy-exc/bootstrapServer.c @@ -0,0 +1,154 @@ +/* Module bootstrap */ + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE 1 +#endif + +#define EXPORT_BOOLEAN +#include <mach/boolean.h> +#include <mach/kern_return.h> +#include <mach/message.h> +#include <mach/mig_errors.h> +#include <mach/mig_support.h> + +#ifndef mig_internal +#define mig_internal static +#endif + +#ifndef mig_external +#define mig_external +#endif + +#ifndef TypeCheck +#define TypeCheck 1 +#endif + +#ifndef UseExternRCSId +#define UseExternRCSId 1 +#endif + +#define BAD_TYPECHECK(type, check) ({\ + union { mach_msg_type_t t; unsigned32_t w; } _t, _c;\ + _t.t = *(type); _c.t = *(check); _t.w != _c.w; }) +#define msgh_request_port msgh_local_port +#define MACH_MSGH_BITS_REQUEST(bits) MACH_MSGH_BITS_LOCAL(bits) +#define msgh_reply_port msgh_remote_port +#define MACH_MSGH_BITS_REPLY(bits) MACH_MSGH_BITS_REMOTE(bits) + +#include <mach/std_types.h> + +/* Routine bootstrap_privileged_ports */ +mig_internal void _Xbootstrap_privileged_ports + (mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP) +{ + typedef struct { + mach_msg_header_t Head; + } Request; + + typedef struct { + mach_msg_header_t Head; + mach_msg_type_t RetCodeType; + kern_return_t RetCode; + mach_msg_type_t priv_hostType; + mach_port_t priv_host; + mach_msg_type_t priv_deviceType; + mach_port_t priv_device; + } Reply; + + register Request *In0P = (Request *) InHeadP; + register Reply *OutP = (Reply *) OutHeadP; + mig_external kern_return_t do_bootstrap_privileged_ports + (mach_port_t bootstrap, mach_port_t *priv_host, mach_port_t *priv_device); + + auto const mach_msg_type_t priv_hostType = { + /* msgt_name = */ 19, + /* msgt_size = */ 32, + /* msgt_number = */ 1, + /* msgt_inline = */ TRUE, + /* msgt_longform = */ FALSE, + /* msgt_deallocate = */ FALSE, + /* msgt_unused = */ 0 + }; + + auto const mach_msg_type_t priv_deviceType = { + /* msgt_name = */ 19, + /* msgt_size = */ 32, + /* msgt_number = */ 1, + /* msgt_inline = */ TRUE, + /* msgt_longform = */ FALSE, + /* msgt_deallocate = */ FALSE, + /* msgt_unused = */ 0 + }; + +#if TypeCheck + if ((In0P->Head.msgh_size != 24) || + (In0P->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX)) + { OutP->RetCode = MIG_BAD_ARGUMENTS; return; } +#endif /* TypeCheck */ + + OutP->RetCode = do_bootstrap_privileged_ports(In0P->Head.msgh_request_port, &OutP->priv_host, &OutP->priv_device); + if (OutP->RetCode != KERN_SUCCESS) + return; + + OutP->Head.msgh_bits |= MACH_MSGH_BITS_COMPLEX; + OutP->Head.msgh_size = 48; + + OutP->priv_hostType = priv_hostType; + + OutP->priv_deviceType = priv_deviceType; +} + +static mig_routine_t bootstrap_server_routines[] = { + 0, + _Xbootstrap_privileged_ports, +}; + +mig_external boolean_t bootstrap_server + (mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP) +{ + register mach_msg_header_t *InP = InHeadP; + register mig_reply_header_t *OutP = (mig_reply_header_t *) OutHeadP; + + auto const mach_msg_type_t RetCodeType = { + /* msgt_name = */ MACH_MSG_TYPE_INTEGER_32, + /* msgt_size = */ 32, + /* msgt_number = */ 1, + /* msgt_inline = */ TRUE, + /* msgt_longform = */ FALSE, + /* msgt_deallocate = */ FALSE, + /* msgt_unused = */ 0 + }; + + register mig_routine_t routine; + + OutP->Head.msgh_bits = MACH_MSGH_BITS(MACH_MSGH_BITS_REPLY(InP->msgh_bits), 0); + OutP->Head.msgh_size = sizeof *OutP; + OutP->Head.msgh_remote_port = InP->msgh_reply_port; + OutP->Head.msgh_local_port = MACH_PORT_NULL; + OutP->Head.msgh_seqno = 0; + OutP->Head.msgh_id = InP->msgh_id + 100; + + OutP->RetCodeType = RetCodeType; + + if ((InP->msgh_id > 1000000) || (InP->msgh_id < 999999) || + ((routine = bootstrap_server_routines[InP->msgh_id - 999999]) == 0)) { + OutP->RetCode = MIG_BAD_ID; + return FALSE; + } + (*routine) (InP, &OutP->Head); + return TRUE; +} + +mig_external mig_routine_t bootstrap_server_routine + (const mach_msg_header_t *InHeadP) +{ + register int msgh_id; + + msgh_id = InHeadP->msgh_id - 999999; + + if ((msgh_id > 1) || (msgh_id < 0)) + return 0; + + return bootstrap_server_routines[msgh_id]; +} + |