X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/a1c7dba18ef36983396c282fe85292db066e39db..5ba3f43ea354af8ad55bea84372a2bc834d8757c:/bsd/sys/codesign.h diff --git a/bsd/sys/codesign.h b/bsd/sys/codesign.h index bf908f8f8..15a39365b 100644 --- a/bsd/sys/codesign.h +++ b/bsd/sys/codesign.h @@ -29,31 +29,14 @@ #ifndef _SYS_CODESIGN_H_ #define _SYS_CODESIGN_H_ -/* code signing attributes of a process */ -#define CS_VALID 0x0000001 /* dynamically valid */ -#define CS_ADHOC 0x0000002 /* ad hoc signed */ -#define CS_GET_TASK_ALLOW 0x0000004 /* has get-task-allow entitlement */ -#define CS_INSTALLER 0x0000008 /* has installer entitlement */ - -#define CS_HARD 0x0000100 /* don't load invalid pages */ -#define CS_KILL 0x0000200 /* kill process if it becomes invalid */ -#define CS_CHECK_EXPIRATION 0x0000400 /* force expiration checking */ -#define CS_RESTRICT 0x0000800 /* tell dyld to treat restricted */ -#define CS_ENFORCEMENT 0x0001000 /* require enforcement */ -#define CS_REQUIRE_LV 0x0002000 /* require library validation */ -#define CS_ENTITLEMENTS_VALIDATED 0x0004000 - -#define CS_ALLOWED_MACHO 0x00ffffe - -#define CS_EXEC_SET_HARD 0x0100000 /* set CS_HARD on any exec'ed process */ -#define CS_EXEC_SET_KILL 0x0200000 /* set CS_KILL on any exec'ed process */ -#define CS_EXEC_SET_ENFORCEMENT 0x0400000 /* set CS_ENFORCEMENT on any exec'ed process */ -#define CS_EXEC_SET_INSTALLER 0x0800000 /* set CS_INSTALLER on any exec'ed process */ - -#define CS_KILLED 0x1000000 /* was killed by kernel for invalidity */ -#define CS_DYLD_PLATFORM 0x2000000 /* dyld used to load this is a platform binary */ +#if KERNEL +#include +#else +#include +#endif -#define CS_ENTITLEMENT_FLAGS (CS_GET_TASK_ALLOW | CS_INSTALLER) +/* MAC flags used by F_ADDFILESIGS_* */ +#define MAC_VNODE_CHECK_DYLD_SIM 0x1 /* tells the MAC framework that dyld-sim is being loaded */ /* csops operations */ #define CS_OPS_STATUS 0 /* return status */ @@ -70,108 +53,10 @@ #define CS_OPS_SET_STATUS 9 /* set codesign flags */ #define CS_OPS_BLOB 10 /* get codesign blob */ #define CS_OPS_IDENTITY 11 /* get codesign identity */ +#define CS_OPS_CLEARINSTALLER 12 /* clear INSTALLER flag */ +#define CS_OPS_CLEARPLATFORM 13 /* clear platform binary status (DEVELOPMENT-only) */ -/* SigPUP */ -#define CS_OPS_SIGPUP_INSTALL 20 -#define CS_OPS_SIGPUP_DROP 21 -#define CS_OPS_SIGPUP_VALIDATE 22 - -struct sigpup_install_table { - uint64_t data; - uint64_t length; - uint64_t path; -}; - - -/* - * Magic numbers used by Code Signing - */ -enum { - CSMAGIC_REQUIREMENT = 0xfade0c00, /* single Requirement blob */ - CSMAGIC_REQUIREMENTS = 0xfade0c01, /* Requirements vector (internal requirements) */ - CSMAGIC_CODEDIRECTORY = 0xfade0c02, /* CodeDirectory blob */ - CSMAGIC_EMBEDDED_SIGNATURE = 0xfade0cc0, /* embedded form of signature data */ - CSMAGIC_EMBEDDED_SIGNATURE_OLD = 0xfade0b02, /* XXX */ - CSMAGIC_EMBEDDED_ENTITLEMENTS = 0xfade7171, /* embedded entitlements */ - CSMAGIC_DETACHED_SIGNATURE = 0xfade0cc1, /* multi-arch collection of embedded signatures */ - CSMAGIC_BLOBWRAPPER = 0xfade0b01, /* CMS Signature, among other things */ - - CS_SUPPORTSSCATTER = 0x20100, - CS_SUPPORTSTEAMID = 0x20200, - - CSSLOT_CODEDIRECTORY = 0, /* slot index for CodeDirectory */ - CSSLOT_INFOSLOT = 1, - CSSLOT_REQUIREMENTS = 2, - CSSLOT_RESOURCEDIR = 3, - CSSLOT_APPLICATION = 4, - CSSLOT_ENTITLEMENTS = 5, - - CSSLOT_SIGNATURESLOT = 0x10000, /* CMS Signature */ - - CSTYPE_INDEX_REQUIREMENTS = 0x00000002, /* compat with amfi */ - CSTYPE_INDEX_ENTITLEMENTS = 0x00000005, /* compat with amfi */ - - CS_HASHTYPE_SHA1 = 1 -}; - - -#define KERNEL_HAVE_CS_CODEDIRECTORY 1 - -/* - * C form of a CodeDirectory. - */ -typedef struct __CodeDirectory { - uint32_t magic; /* magic number (CSMAGIC_CODEDIRECTORY) */ - uint32_t length; /* total length of CodeDirectory blob */ - uint32_t version; /* compatibility version */ - uint32_t flags; /* setup and mode flags */ - uint32_t hashOffset; /* offset of hash slot element at index zero */ - uint32_t identOffset; /* offset of identifier string */ - uint32_t nSpecialSlots; /* number of special hash slots */ - uint32_t nCodeSlots; /* number of ordinary (code) hash slots */ - uint32_t codeLimit; /* limit to main image signature range */ - uint8_t hashSize; /* size of each hash in bytes */ - uint8_t hashType; /* type of hash (cdHashType* constants) */ - uint8_t spare1; /* unused (must be zero) */ - uint8_t pageSize; /* log2(page size in bytes); 0 => infinite */ - uint32_t spare2; /* unused (must be zero) */ - /* Version 0x20100 */ - uint32_t scatterOffset; /* offset of optional scatter vector */ - /* Version 0x20200 */ - uint32_t teamOffset; /* offset of optional team identifier */ - /* followed by dynamic content as located by offset fields above */ -} CS_CodeDirectory; - -/* - * Structure of an embedded-signature SuperBlob - */ - -typedef struct __BlobIndex { - uint32_t type; /* type of entry */ - uint32_t offset; /* offset of entry */ -} CS_BlobIndex; - -typedef struct __SC_SuperBlob { - uint32_t magic; /* magic number */ - uint32_t length; /* total length of SuperBlob */ - uint32_t count; /* number of index entries following */ - CS_BlobIndex index[]; /* (count) entries */ - /* followed by Blobs in no particular order as indicated by offsets in index */ -} CS_SuperBlob; - -typedef struct __SC_GenericBlob { - uint32_t magic; /* magic number */ - uint32_t length; /* total length of blob */ - char data[]; -} CS_GenericBlob; - -typedef struct __SC_Scatter { - uint32_t count; // number of pages; zero for sentinel (only) - uint32_t base; // first page number - uint64_t targetOffset; // offset in target - uint64_t spare; // reserved -} SC_Scatter; - +#define CS_MAX_TEAMID_LEN 64 #ifndef KERNEL @@ -186,6 +71,8 @@ __END_DECLS #else /* !KERNEL */ +#include + #include #include @@ -193,50 +80,79 @@ struct vnode; struct cs_blob; struct fileglob; -struct cscsr_functions { - int csr_version; -#define CSCSR_VERSION 1 - int (*csr_validate_header)(const uint8_t *, size_t); - const void* (*csr_find_file_codedirectory)(struct vnode *, const uint8_t *, size_t, size_t *); -}; - __BEGIN_DECLS +int cs_valid(struct proc *); int cs_enforcement(struct proc *); int cs_require_lv(struct proc *); +int cs_system_require_lv(void); uint32_t cs_entitlement_flags(struct proc *p); int cs_entitlements_blob_get(struct proc *, void **, size_t *); +int cs_restricted(struct proc *); uint8_t * cs_get_cdhash(struct proc *); -void cs_register_cscsr(struct cscsr_functions *); -const CS_GenericBlob * - cs_find_blob(struct cs_blob *, uint32_t, uint32_t); +struct cs_blob * csproc_get_blob(struct proc *); +struct cs_blob * csvnode_get_blob(struct vnode *, off_t); +void csvnode_print_debug(struct vnode *); + +off_t csblob_get_base_offset(struct cs_blob *); +vm_size_t csblob_get_size(struct cs_blob *); +vm_address_t csblob_get_addr(struct cs_blob *); +const char * csblob_get_teamid(struct cs_blob *); +const char * csblob_get_identity(struct cs_blob *); +const uint8_t * csblob_get_cdhash(struct cs_blob *); +int csblob_get_platform_binary(struct cs_blob *); +unsigned int csblob_get_flags(struct cs_blob *); +uint8_t csblob_get_hashtype(struct cs_blob const *); +unsigned int csblob_get_signer_type(struct cs_blob *); +#if DEVELOPMENT || DEBUG +void csproc_clear_platform_binary(struct proc *); +#endif + +int csblob_get_entitlements(struct cs_blob *, void **, size_t *); + +const CS_GenericBlob * + csblob_find_blob(struct cs_blob *, uint32_t, uint32_t); +const CS_GenericBlob * + csblob_find_blob_bytes(const uint8_t *, size_t, uint32_t, uint32_t); +void * csblob_entitlements_dictionary_copy(struct cs_blob *csblob); +void csblob_entitlements_dictionary_set(struct cs_blob *csblob, void * entitlements); + +/* + * Mostly convenience functions below + */ -const char * csblob_get_teamid(struct cs_blob *); const char * csproc_get_teamid(struct proc *); const char * csvnode_get_teamid(struct vnode *, off_t); int csproc_get_platform_binary(struct proc *); +int csproc_get_prod_signed(struct proc *); const char * csfg_get_teamid(struct fileglob *); int csfg_get_path(struct fileglob *, char *, int *); int csfg_get_platform_binary(struct fileglob *); +uint8_t * csfg_get_cdhash(struct fileglob *, uint64_t, size_t *); +int csfg_get_prod_signed(struct fileglob *); +unsigned int csfg_get_signer_type(struct fileglob *); +unsigned int csproc_get_signer_type(struct proc *); -__END_DECLS +extern int cs_debug; #ifdef XNU_KERNEL_PRIVATE void cs_init(void); int cs_allow_invalid(struct proc *); -int cs_invalid_page(addr64_t); -int sigpup_install(user_addr_t); -int sigpup_drop(void); +int cs_invalid_page(addr64_t vaddr, boolean_t *cs_killed); +int csproc_get_platform_path(struct proc *); -extern int cs_debug; -extern int cs_validation; #if !SECURE_KERNEL extern int cs_enforcement_panic; #endif #endif /* XNU_KERNEL_PRIVATE */ + +__END_DECLS + + + #endif /* KERNEL */ #endif /* _SYS_CODESIGN_H_ */