Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| 3 | * Redistribution and modifications are permitted subject to BSD license. |
| 4 | */ |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 5 | #include <asn_internal.h> |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 6 | #include <ANY.h> |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 7 | #include <errno.h> |
| 8 | |
Lev Walkin | bbd9325 | 2004-10-12 05:57:23 +0000 | [diff] [blame] | 9 | static asn_OCTET_STRING_specifics_t asn_DEF_ANY_specs = { |
| 10 | sizeof(ANY_t), |
| 11 | offsetof(ANY_t, _asn_ctx), |
| 12 | 2 /* Special indicator that this is an ANY type */ |
| 13 | }; |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 14 | asn_TYPE_descriptor_t asn_DEF_ANY = { |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 15 | "ANY", |
Lev Walkin | dc06f6b | 2004-10-20 15:50:55 +0000 | [diff] [blame] | 16 | "ANY", |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 17 | OCTET_STRING_free, |
| 18 | OCTET_STRING_print, |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 19 | asn_generic_no_constraint, |
| 20 | OCTET_STRING_decode_ber, |
| 21 | OCTET_STRING_encode_der, |
Lev Walkin | dc06f6b | 2004-10-20 15:50:55 +0000 | [diff] [blame] | 22 | OCTET_STRING_decode_xer_hex, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 23 | ANY_encode_xer, |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 24 | 0, /* Use generic outmost tag fetcher */ |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 25 | 0, 0, 0, 0, |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 26 | 0, 0, /* No members */ |
Lev Walkin | bbd9325 | 2004-10-12 05:57:23 +0000 | [diff] [blame] | 27 | &asn_DEF_ANY_specs, |
Lev Walkin | a737f3b | 2004-09-02 12:11:47 +0000 | [diff] [blame] | 28 | }; |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 29 | |
| 30 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 31 | asn_enc_rval_t |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 32 | ANY_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 33 | int ilevel, enum xer_encoder_flags_e flags, |
| 34 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 35 | |
Lev Walkin | cc6a910 | 2004-09-23 22:06:26 +0000 | [diff] [blame] | 36 | if(flags & XER_F_CANONICAL) { |
| 37 | /* |
| 38 | * Canonical XER-encoding of ANY type is not supported. |
| 39 | */ |
| 40 | _ASN_ENCODE_FAILED; |
| 41 | } |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 42 | |
Lev Walkin | cc6a910 | 2004-09-23 22:06:26 +0000 | [diff] [blame] | 43 | /* Dump as binary */ |
| 44 | return OCTET_STRING_encode_xer(td, sptr, ilevel, flags, cb, app_key); |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 47 | struct _callback_arg { |
| 48 | uint8_t *buffer; |
| 49 | size_t offset; |
| 50 | size_t size; |
| 51 | }; |
| 52 | |
| 53 | static int ANY__consume_bytes(const void *buffer, size_t size, void *key); |
| 54 | |
| 55 | int |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 56 | ANY_fromType(ANY_t *st, asn_TYPE_descriptor_t *td, void *sptr) { |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 57 | struct _callback_arg arg; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 58 | asn_enc_rval_t erval; |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 59 | |
| 60 | if(!st || !td) { |
| 61 | errno = EINVAL; |
| 62 | return -1; |
| 63 | } |
| 64 | |
| 65 | if(!sptr) { |
| 66 | if(st->buf) FREEMEM(st->buf); |
| 67 | st->size = 0; |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | arg.offset = arg.size = 0; |
| 72 | arg.buffer = 0; |
| 73 | |
| 74 | erval = der_encode(td, sptr, ANY__consume_bytes, &arg); |
| 75 | if(erval.encoded == -1) { |
| 76 | if(arg.buffer) FREEMEM(arg.buffer); |
| 77 | return -1; |
| 78 | } |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 79 | assert((size_t)erval.encoded == arg.offset); |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 80 | |
| 81 | if(st->buf) FREEMEM(st->buf); |
| 82 | st->buf = arg.buffer; |
| 83 | st->size = arg.offset; |
| 84 | |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | ANY_t * |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 89 | ANY_new_fromType(asn_TYPE_descriptor_t *td, void *sptr) { |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 90 | ANY_t tmp; |
| 91 | ANY_t *st; |
| 92 | |
| 93 | if(!td || !sptr) { |
| 94 | errno = EINVAL; |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | memset(&tmp, 0, sizeof(tmp)); |
| 99 | |
| 100 | if(ANY_fromType(&tmp, td, sptr)) return 0; |
| 101 | |
Lev Walkin | 40fecb0 | 2005-01-22 00:11:28 +0000 | [diff] [blame] | 102 | st = (ANY_t *)CALLOC(1, sizeof(ANY_t)); |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 103 | if(st) { |
| 104 | *st = tmp; |
| 105 | return st; |
| 106 | } else { |
| 107 | FREEMEM(tmp.buf); |
| 108 | return 0; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | int |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 113 | ANY_to_type(ANY_t *st, asn_TYPE_descriptor_t *td, void **struct_ptr) { |
Lev Walkin | dc06f6b | 2004-10-20 15:50:55 +0000 | [diff] [blame] | 114 | asn_dec_rval_t rval; |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 115 | void *newst = 0; |
| 116 | |
| 117 | if(!st || !td || !struct_ptr) { |
| 118 | errno = EINVAL; |
| 119 | return -1; |
| 120 | } |
| 121 | |
| 122 | if(st->buf == 0) { |
| 123 | /* Nothing to convert, make it empty. */ |
| 124 | *struct_ptr = (void *)0; |
| 125 | return 0; |
| 126 | } |
| 127 | |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 128 | rval = ber_decode(0, td, (void **)&newst, st->buf, st->size); |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 129 | if(rval.code == RC_OK) { |
| 130 | *struct_ptr = newst; |
| 131 | return 0; |
| 132 | } else { |
| 133 | /* Remove possibly partially decoded data. */ |
| 134 | td->free_struct(td, newst, 0); |
| 135 | return -1; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | static int ANY__consume_bytes(const void *buffer, size_t size, void *key) { |
| 140 | struct _callback_arg *arg = (struct _callback_arg *)key; |
| 141 | |
| 142 | if((arg->offset + size) >= arg->size) { |
| 143 | size_t nsize = (arg->size ? arg->size << 2 : 16) + size; |
| 144 | void *p = REALLOC(arg->buffer, nsize); |
| 145 | if(!p) return -1; |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 146 | arg->buffer = (uint8_t *)p; |
Lev Walkin | d563d39 | 2004-09-13 08:26:57 +0000 | [diff] [blame] | 147 | arg->size = nsize; |
| 148 | } |
| 149 | |
| 150 | memcpy(arg->buffer + arg->offset, buffer, size); |
| 151 | arg->offset += size; |
| 152 | assert(arg->offset < arg->size); |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |