vlm | fa67ddc | 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 | */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 5 | #include <asn_internal.h> |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 6 | #include <UTCTime.h> |
| 7 | #include <GeneralizedTime.h> |
| 8 | #include <time.h> |
| 9 | #include <errno.h> |
| 10 | #include <assert.h> |
| 11 | |
| 12 | #ifndef __NO_ASN_TABLE__ |
| 13 | |
| 14 | /* |
| 15 | * UTCTime basic type description. |
| 16 | */ |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 17 | static ber_tlv_tag_t asn_DEF_UTCTime_tags[] = { |
vlm | 6678cb1 | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 18 | (ASN_TAG_CLASS_UNIVERSAL | (23 << 2)), /* [UNIVERSAL 23] IMPLICIT ...*/ |
| 19 | (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)), /* [UNIVERSAL 26] IMPLICIT ...*/ |
| 20 | (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 21 | }; |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 22 | asn_TYPE_descriptor_t asn_DEF_UTCTime = { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 23 | "UTCTime", |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 24 | OCTET_STRING_free, |
| 25 | UTCTime_print, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 26 | UTCTime_constraint, |
| 27 | OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */ |
| 28 | OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 29 | 0, /* Not implemented yet */ |
| 30 | UTCTime_encode_xer, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 31 | 0, /* Use generic outmost tag fetcher */ |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 32 | asn_DEF_UTCTime_tags, |
| 33 | sizeof(asn_DEF_UTCTime_tags) |
| 34 | / sizeof(asn_DEF_UTCTime_tags[0]) - 2, |
| 35 | asn_DEF_UTCTime_tags, |
| 36 | sizeof(asn_DEF_UTCTime_tags) |
| 37 | / sizeof(asn_DEF_UTCTime_tags[0]), |
vlm | e413c12 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 38 | 0, 0, /* No members */ |
vlm | b42843a | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 39 | 0 /* No specifics */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 40 | }; |
| 41 | |
| 42 | #endif /* __NO_ASN_TABLE__ */ |
| 43 | |
| 44 | /* |
| 45 | * Check that the time looks like the time. |
| 46 | */ |
| 47 | int |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 48 | UTCTime_constraint(asn_TYPE_descriptor_t *td, const void *sptr, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 49 | asn_app_consume_bytes_f *app_errlog, void *app_key) { |
vlm | da67468 | 2004-08-11 09:07:36 +0000 | [diff] [blame] | 50 | const UTCTime_t *st = (const UTCTime_t *)sptr; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 51 | time_t tloc; |
| 52 | |
| 53 | errno = EPERM; /* Just an unlikely error code */ |
vlm | d0c608e | 2004-08-07 03:51:43 +0000 | [diff] [blame] | 54 | tloc = asn_UT2time(st, 0, 0); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 55 | if(tloc == -1 && errno != EPERM) { |
vlm | e3f0f28 | 2004-08-11 09:44:13 +0000 | [diff] [blame] | 56 | _ASN_ERRLOG(app_errlog, app_key, |
vlm | 758530a | 2004-08-22 13:47:59 +0000 | [diff] [blame] | 57 | "%s: Invalid time format: %s (%s:%d)", |
| 58 | td->name, strerror(errno), __FILE__, __LINE__); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 59 | return -1; |
| 60 | } |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 65 | asn_enc_rval_t |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 66 | UTCTime_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 67 | int ilevel, enum xer_encoder_flags_e flags, |
| 68 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 69 | OCTET_STRING_t st; |
| 70 | |
| 71 | if(flags & XER_F_CANONICAL) { |
| 72 | char buf[32]; |
| 73 | struct tm tm; |
| 74 | ssize_t ret; |
| 75 | |
| 76 | errno = EPERM; |
| 77 | if(asn_UT2time((UTCTime_t *)sptr, &tm, 1) == -1 |
| 78 | && errno != EPERM) |
| 79 | _ASN_ENCODE_FAILED; |
| 80 | |
| 81 | ret = snprintf(buf, sizeof(buf), "%02d%02d%02d%02d%02d%02dZ", |
| 82 | tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday, |
| 83 | tm.tm_hour, tm.tm_min, tm.tm_sec); |
| 84 | assert(ret > 0 && ret < (int)sizeof(buf)); |
| 85 | |
| 86 | st.buf = (uint8_t *)buf; |
| 87 | st.size = ret; |
| 88 | sptr = &st; |
| 89 | } |
| 90 | |
| 91 | return OCTET_STRING_encode_xer_ascii(td, sptr, ilevel, flags, |
| 92 | cb, app_key); |
| 93 | } |
| 94 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 95 | int |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 96 | UTCTime_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 97 | asn_app_consume_bytes_f *cb, void *app_key) { |
vlm | da67468 | 2004-08-11 09:07:36 +0000 | [diff] [blame] | 98 | const UTCTime_t *st = (const UTCTime_t *)sptr; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 99 | |
vlm | b42843a | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 100 | (void)td; /* Unused argument */ |
| 101 | (void)ilevel; /* Unused argument */ |
| 102 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 103 | if(st && st->buf) { |
| 104 | char buf[32]; |
| 105 | struct tm tm; |
| 106 | int ret; |
| 107 | |
| 108 | errno = EPERM; |
vlm | d0c608e | 2004-08-07 03:51:43 +0000 | [diff] [blame] | 109 | if(asn_UT2time(st, &tm, 1) == -1 && errno != EPERM) |
vlm | 6678cb1 | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 110 | return (cb("<bad-value>", 11, app_key) < 0) ? -1 : 0; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 111 | |
| 112 | ret = snprintf(buf, sizeof(buf), |
vlm | d0c608e | 2004-08-07 03:51:43 +0000 | [diff] [blame] | 113 | "%04d-%02d-%02d %02d:%02d%02d (GMT)", |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 114 | tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, |
| 115 | tm.tm_hour, tm.tm_min, tm.tm_sec); |
vlm | b42843a | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 116 | assert(ret > 0 && ret < (int)sizeof(buf)); |
vlm | 6678cb1 | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 117 | return (cb(buf, ret, app_key) < 0) ? -1 : 0; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 118 | } else { |
vlm | 6678cb1 | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 119 | return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 120 | } |
| 121 | } |
| 122 | |
| 123 | time_t |
vlm | d0c608e | 2004-08-07 03:51:43 +0000 | [diff] [blame] | 124 | asn_UT2time(const UTCTime_t *st, struct tm *_tm, int as_gmt) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 125 | char buf[17+2]; /* "AAMMJJhhmmss+hhmm" = 17, + 2 = 19 */ |
| 126 | GeneralizedTime_t gt; |
| 127 | |
vlm | b42843a | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 128 | if(!st || !st->buf |
| 129 | || st->size < 11 || st->size > ((int)sizeof(buf) - 2)) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 130 | errno = EINVAL; |
| 131 | return -1; |
| 132 | } |
| 133 | |
vlm | 1ff928d | 2004-08-11 08:10:13 +0000 | [diff] [blame] | 134 | gt.buf = (unsigned char *)buf; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 135 | gt.size = st->size + 2; |
| 136 | memcpy(gt.buf + 2, st->buf, st->size); |
| 137 | if(st->buf[0] > 0x35) { |
| 138 | /* 19xx */ |
| 139 | gt.buf[0] = 0x31; |
| 140 | gt.buf[1] = 0x39; |
| 141 | } else { |
| 142 | /* 20xx */ |
| 143 | gt.buf[0] = 0x32; |
| 144 | gt.buf[1] = 0x30; |
| 145 | } |
| 146 | |
vlm | d0c608e | 2004-08-07 03:51:43 +0000 | [diff] [blame] | 147 | return asn_GT2time(>, _tm, as_gmt); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 148 | } |
vlm | d0c608e | 2004-08-07 03:51:43 +0000 | [diff] [blame] | 149 | |
| 150 | UTCTime_t * |
| 151 | asn_time2UT(UTCTime_t *opt_ut, const struct tm *tm, int force_gmt) { |
| 152 | GeneralizedTime_t *gt = (GeneralizedTime_t *)opt_ut; |
| 153 | |
| 154 | gt = asn_time2GT(gt, tm, force_gmt); |
| 155 | if(gt == 0) return 0; |
| 156 | |
| 157 | assert(gt->size >= 2); |
| 158 | gt->size -= 2; |
| 159 | memmove(gt->buf, gt->buf + 2, gt->size + 1); |
| 160 | |
| 161 | return (UTCTime_t *)gt; |
| 162 | } |
| 163 | |