Security-57336.1.9.tar.gz

[apple/security.git] / Security / libsecurity_codesigning / lib / cscdefs.h

diff --git a/Security/libsecurity_codesigning/lib/cscdefs.h b/Security/libsecurity_codesigning/lib/cscdefs.h
deleted file mode 100644 (file)
index 4c3b998..0000000
--- a/Security/libsecurity_codesigning/lib/cscdefs.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * 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_DETACHED_SIGNATURE = 0xfade0cc1, /* multi-arch collection of embedded signatures */
-       
-       CSSLOT_CODEDIRECTORY = 0,                               /* slot index for 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 __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;
-
-
-/*
- * 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) */
-       /* followed by dynamic content as located by offset fields above */
-} CS_CodeDirectory;
-
-
-/*
- * Sample code to locate the CodeDirectory from an embedded signature blob
- */
-static inline const CS_CodeDirectory *findCodeDirectory(const CS_SuperBlob *embedded)
-{
-       if (embedded && ntohl(embedded->magic) == CSMAGIC_EMBEDDED_SIGNATURE) {
-               const CS_BlobIndex *limit = &embedded->index[ntohl(embedded->count)];
-               const CS_BlobIndex *p;
-               for (p = embedded->index; p < limit; ++p)
-                       if (ntohl(p->type) == CSSLOT_CODEDIRECTORY) {
-                               const unsigned char *base = (const unsigned char *)embedded;
-                               const CS_CodeDirectory *cd = (const CS_CodeDirectory *)(base + ntohl(p->offset));
-                               if (cd->magic == CSMAGIC_CODEDIRECTORY)
-                                       return cd;
-                               else
-                                       break;
-                       }
-       }
-       // not found
-       return NULL;
-}
-
-
-/*
- * Locating a page hash
- */
-static inline const unsigned char *hashes(const CS_CodeDirectory *cd, unsigned page)
-{
-       const unsigned char *base = (const unsigned char *)cd;
-       assert(page < ntohl(cd->nCodeSlots));
-       
-       // "20" below is the size of a SHA-1 hash. There's got to be a constant for that
-       // where you get your SHA-1 functions from. This can also be had as cd->hashSize
-       // (but the constant is marginally faster, I suppose)
-       return base + ntohl(cd->hashOffset) + page * 20;
-}