Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2003, 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 | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 6 | #include <RELATIVE-OID.h> |
Lev Walkin | 3256d6f | 2004-10-21 11:22:12 +0000 | [diff] [blame] | 7 | #include <asn_codecs_prim.h> /* Encoder and decoder of a primitive type */ |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 8 | #include <limits.h> /* for CHAR_BIT */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 9 | #include <assert.h> |
| 10 | #include <errno.h> |
| 11 | |
| 12 | /* |
| 13 | * RELATIVE-OID basic type description. |
| 14 | */ |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 15 | static ber_tlv_tag_t asn_DEF_RELATIVE_OID_tags[] = { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 16 | (ASN_TAG_CLASS_UNIVERSAL | (13 << 2)) |
| 17 | }; |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 18 | asn_TYPE_descriptor_t asn_DEF_RELATIVE_OID = { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 19 | "RELATIVE-OID", |
Lev Walkin | dc06f6b | 2004-10-20 15:50:55 +0000 | [diff] [blame] | 20 | "RELATIVE_OID", |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 21 | ASN__PRIMITIVE_TYPE_free, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 22 | RELATIVE_OID_print, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 23 | asn_generic_no_constraint, |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 24 | ber_decode_primitive, |
| 25 | der_encode_primitive, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 26 | 0, /* Not implemented yet */ |
| 27 | RELATIVE_OID_encode_xer, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 28 | 0, /* Use generic outmost tag fetcher */ |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 29 | asn_DEF_RELATIVE_OID_tags, |
| 30 | sizeof(asn_DEF_RELATIVE_OID_tags) |
| 31 | / sizeof(asn_DEF_RELATIVE_OID_tags[0]), |
| 32 | asn_DEF_RELATIVE_OID_tags, /* Same as above */ |
| 33 | sizeof(asn_DEF_RELATIVE_OID_tags) |
| 34 | / sizeof(asn_DEF_RELATIVE_OID_tags[0]), |
Lev Walkin | 449f832 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 35 | 0, 0, /* No members */ |
Lev Walkin | d9bd775 | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 36 | 0 /* No specifics */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 37 | }; |
| 38 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 39 | static ssize_t |
| 40 | RELATIVE_OID__dump_body(const RELATIVE_OID_t *st, asn_app_consume_bytes_f *cb, void *app_key) { |
| 41 | ssize_t wrote = 0; |
| 42 | ssize_t ret; |
| 43 | int startn; |
| 44 | int i; |
| 45 | |
| 46 | for(i = 0, startn = 0; i < st->size; i++) { |
| 47 | uint8_t b = st->buf[i]; |
| 48 | if((b & 0x80)) /* Continuation expected */ |
| 49 | continue; |
| 50 | if(startn) { |
| 51 | /* Separate arcs */ |
| 52 | if(cb(".", 1, app_key) < 0) |
| 53 | return -1; |
| 54 | wrote++; |
| 55 | } |
| 56 | |
| 57 | ret = OBJECT_IDENTIFIER__dump_arc(&st->buf[startn], |
| 58 | i - startn + 1, 0, cb, app_key); |
| 59 | if(ret < 0) return -1; |
| 60 | wrote += ret; |
| 61 | |
| 62 | startn = i + 1; |
| 63 | } |
| 64 | |
| 65 | return wrote; |
| 66 | } |
| 67 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 68 | int |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 69 | RELATIVE_OID_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 70 | asn_app_consume_bytes_f *cb, void *app_key) { |
Lev Walkin | c234657 | 2004-08-11 09:07:36 +0000 | [diff] [blame] | 71 | const RELATIVE_OID_t *st = (const RELATIVE_OID_t *)sptr; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 72 | |
Lev Walkin | d9bd775 | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 73 | (void)td; /* Unused argument */ |
| 74 | (void)ilevel; /* Unused argument */ |
| 75 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 76 | if(!st || !st->buf) |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 77 | return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 78 | |
| 79 | /* Dump preamble */ |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 80 | if(cb("{ ", 2, app_key) < 0) |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 81 | return -1; |
| 82 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 83 | if(RELATIVE_OID__dump_body(st, cb, app_key) < 0) |
| 84 | return -1; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 85 | |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 86 | return (cb(" }", 2, app_key) < 0) ? -1 : 0; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 87 | } |
| 88 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 89 | asn_enc_rval_t |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 90 | RELATIVE_OID_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 91 | int ilevel, enum xer_encoder_flags_e flags, |
| 92 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 93 | RELATIVE_OID_t *st = (RELATIVE_OID_t *)sptr; |
| 94 | asn_enc_rval_t er; |
| 95 | |
| 96 | (void)ilevel; /* Unused argument */ |
| 97 | (void)flags; /* Unused argument */ |
| 98 | |
| 99 | if(!st || !st->buf) |
| 100 | _ASN_ENCODE_FAILED; |
| 101 | |
| 102 | er.encoded = RELATIVE_OID__dump_body(st, cb, app_key); |
| 103 | if(er.encoded < 0) _ASN_ENCODE_FAILED; |
| 104 | |
| 105 | return er; |
| 106 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 107 | |
| 108 | int |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 109 | RELATIVE_OID_get_arcs(RELATIVE_OID_t *roid, |
| 110 | void *arcs, unsigned int arc_type_size, unsigned int arc_slots) { |
Lev Walkin | 4d9528c | 2004-08-11 08:10:13 +0000 | [diff] [blame] | 111 | void *arcs_end = (char *)arcs + (arc_slots * arc_type_size); |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 112 | int num_arcs = 0; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 113 | int startn = 0; |
| 114 | int i; |
| 115 | |
| 116 | if(!roid || !roid->buf) { |
| 117 | errno = EINVAL; |
| 118 | return -1; |
| 119 | } |
| 120 | |
| 121 | for(i = 0; i < roid->size; i++) { |
| 122 | uint8_t b = roid->buf[i]; |
| 123 | if((b & 0x80)) /* Continuation expected */ |
| 124 | continue; |
| 125 | |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 126 | if(arcs < arcs_end) { |
| 127 | if(OBJECT_IDENTIFIER_get_single_arc( |
| 128 | &roid->buf[startn], |
| 129 | i - startn + 1, 0, |
| 130 | arcs, arc_type_size)) |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 131 | return -1; |
Lev Walkin | 4ce78ca | 2004-08-25 01:34:11 +0000 | [diff] [blame] | 132 | arcs = ((char *)arcs) + arc_type_size; |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 133 | num_arcs++; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | startn = i + 1; |
| 137 | } |
| 138 | |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 139 | return num_arcs; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | int |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 143 | RELATIVE_OID_set_arcs(RELATIVE_OID_t *roid, void *arcs, unsigned int arc_type_size, unsigned int arcs_slots) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 144 | uint8_t *buf; |
| 145 | uint8_t *bp; |
Lev Walkin | 34b2a93 | 2004-06-17 23:46:45 +0000 | [diff] [blame] | 146 | unsigned int size; |
| 147 | unsigned int i; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 148 | |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 149 | if(roid == NULL || arcs == NULL || arc_type_size < 1) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 150 | errno = EINVAL; |
| 151 | return -1; |
| 152 | } |
| 153 | |
| 154 | /* |
| 155 | * Roughly estimate the maximum size necessary to encode these arcs. |
| 156 | */ |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 157 | size = ((arc_type_size * CHAR_BIT + 6) / 7) * arcs_slots; |
Lev Walkin | c234657 | 2004-08-11 09:07:36 +0000 | [diff] [blame] | 158 | bp = buf = (uint8_t *)MALLOC(size + 1); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 159 | if(!buf) { |
| 160 | /* ENOMEM */ |
| 161 | return -1; |
| 162 | } |
| 163 | |
| 164 | /* |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 165 | * Encode the arcs. |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 166 | */ |
Lev Walkin | 4ce78ca | 2004-08-25 01:34:11 +0000 | [diff] [blame] | 167 | for(i = 0; i < arcs_slots; i++, arcs = ((char *)arcs) + arc_type_size) { |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 168 | bp += OBJECT_IDENTIFIER_set_single_arc(bp, |
| 169 | arcs, arc_type_size, 0); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 170 | } |
| 171 | |
Lev Walkin | 34b2a93 | 2004-06-17 23:46:45 +0000 | [diff] [blame] | 172 | assert((unsigned)(bp - buf) <= size); |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 173 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 174 | /* |
| 175 | * Replace buffer. |
| 176 | */ |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 177 | roid->size = bp - buf; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 178 | bp = roid->buf; |
| 179 | roid->buf = buf; |
| 180 | if(bp) FREEMEM(bp); |
| 181 | |
| 182 | return 0; |
| 183 | } |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 184 | |