diff options
author | Lev Walkin <vlm@lionet.info> | 2004-08-19 13:27:57 +0000 |
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committer | Lev Walkin <vlm@lionet.info> | 2004-08-19 13:27:57 +0000 |
commit | 5e975656edf82c036bb452baaa88fa9c1beb6069 (patch) | |
tree | a487a21a65b82d2a6da88d925230fc4648e245b3 /skeletons/tests | |
parent | 2ca95430339dae0021cadefc66b49df57f390b59 (diff) |
new file
Diffstat (limited to 'skeletons/tests')
-rw-r--r-- | skeletons/tests/check-ber_tlv_tag.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/skeletons/tests/check-ber_tlv_tag.c b/skeletons/tests/check-ber_tlv_tag.c new file mode 100644 index 00000000..41184202 --- /dev/null +++ b/skeletons/tests/check-ber_tlv_tag.c @@ -0,0 +1,146 @@ +#include <stdio.h> +#include <assert.h> + +#include <ber_tlv_tag.c> + +struct tag_control_s { + int taglen; + uint8_t tagbuf[8]; + + int correctly_decodable; + + int tclass; /* Tag class */ + ber_tlv_tag_t tvalue; /* Tag value */ + int constr; /* Is it constructed? */ +} control[] = { + { 1, { 0x2 << 6 }, 1, ASN_TAG_CLASS_CONTEXT, 0, 0 }, + { 1, { 0x2 << 6 | 32 | 1 }, 1, ASN_TAG_CLASS_CONTEXT, 1, 1 }, + { 1, { 0x3 << 6 | 30 }, 1, ASN_TAG_CLASS_PRIVATE, 30, 0 }, + { 1, { 29 }, 1, ASN_TAG_CLASS_UNIVERSAL, 29, 0 }, + { 1, { 0xbf, 31 }, 0, ASN_TAG_CLASS_CONTEXT, 31, 1 }, + { 2, { 0xbf, 31 }, 1, ASN_TAG_CLASS_CONTEXT, 31, 1 }, + { 2, { 0xbf, 127 }, 1, ASN_TAG_CLASS_CONTEXT, 127, 1 }, + { 2, { 0xbf, 129 }, 0, ASN_TAG_CLASS_CONTEXT, 127, 1 }, + { 3, { 0xbf, 129, 0 }, 1, ASN_TAG_CLASS_CONTEXT, 128, 1 }, + { 3, { 0xbf, 129, 1 }, 1, ASN_TAG_CLASS_CONTEXT, 129, 1 }, + { 3, { 0xbf, 130, 0 }, 1, ASN_TAG_CLASS_CONTEXT, 256, 1 }, + { 3, { 0xbf, 130, 1 }, 1, ASN_TAG_CLASS_CONTEXT, 257, 1 }, + { 3, { 0xbf, 130, 0x81 }, 0, 0, 0, 0 }, + { 4, { 0xbf, 130, 0x81, 2 }, 1, ASN_TAG_CLASS_CONTEXT, 32898, 1 }, + { 4, { 0xbf, 130, 0x81, 0x82 }, 0, ASN_TAG_CLASS_CONTEXT, 32898, 1 }, + { 5, { 0x1f, 130, 0x81, 0x82, 1 }, 1, 0, 4210945, 0 }, + { 5, { 0x1f, 130, 0x81, 0x82, 2 }, 1, 0, 4210946, 0 }, + { 5, { 0x1f, 0xff, 0x81, 0x82, 2 }, 1, 0, 266354946, 0 }, + { 6, { 0x1f, 0xff, 0xff, 0x82, 0x80, 1 }, -1, 0, 266354946, 0 }, + { 7, { 0x1f, 0x8E, 0x87, 0xAA, 0x95, 0x99, 3}, -1, 0, 4000000000UL, 0 }, +}; + + +static void check_decode(struct tag_control_s *ctrl); +static void check_encode(struct tag_control_s *ctrl); + +int +main() { + size_t i; + + for(i = 0; i < sizeof(control) / sizeof(control[0]); i++) { + check_decode(&control[i]); + check_encode(&control[i]); + } + + return 0; +} + +static void +check_decode(struct tag_control_s *ctrl) { + ber_tlv_tag_t tag = 123; + ber_tlv_tag_t tag1 = 124; + ber_tlv_tag_t tag2 = 125; + ssize_t size; + + if(ctrl->correctly_decodable < 1) { + size = ber_fetch_tag(ctrl->tagbuf, ctrl->taglen, &tag1); + assert(size == ctrl->correctly_decodable); + return; + } + + printf("Expecting "); + tag = (ctrl->tvalue << 2) | ctrl->tclass; + ber_tlv_tag_fwrite(tag, stdout); + printf(", got "); + + size = ber_fetch_tag(ctrl->tagbuf, 0, &tag1); + assert(size == 0); + + size = ber_fetch_tag(ctrl->tagbuf, ctrl->taglen, &tag1); + assert(size == ctrl->taglen); + + size = ber_fetch_tag(ctrl->tagbuf, ctrl->taglen + 10, &tag2); + assert(size == ctrl->taglen); + + ber_tlv_tag_fwrite(tag1, stdout); + printf("\n"); + + assert(tag1 == tag2); + assert(tag == tag1); + + assert(ctrl->constr == BER_TLV_CONSTRUCTED(ctrl->tagbuf)); +} + + + +static void +check_encode(struct tag_control_s *ctrl) { + uint8_t buf[16]; + ber_tlv_tag_t tag; + int Filler = 0xDA; + ssize_t size; + ssize_t i; + + tag = ctrl->tvalue << 2 | ctrl->tclass; + + /* + * Testing buffer overruns. + */ + for(i = 0; i < (int)sizeof(buf); i++) { + int j; + + memset(buf, Filler, sizeof(buf)); + + size = ber_tlv_tag_serialize(tag, buf, i); + assert(size < (int)sizeof(buf)); + + if(size <= i) { + for(j = 0; j < size; j++) assert(buf[j] != Filler); + } else { + j = i; + } + for(; j < (int)sizeof(buf); j++) assert(buf[j] == Filler); + } + + memset(buf, Filler, sizeof(buf)); + + size = ber_tlv_tag_serialize(tag, buf, sizeof(buf)); + assert(size < (int)sizeof(buf)); + + for(i = 0; i < size; i++) assert(buf[i] != Filler); + for(; i < (int)sizeof(buf); i++) assert(buf[i] == Filler); + + if(ctrl->correctly_decodable == 1) { + assert(size == ctrl->taglen); + } + if(ctrl->constr) *buf |= 0x20; + + ber_tlv_tag_fwrite(tag, stdout); + + printf(":"); + + for(i = 0; i < size; i++) { + printf(" %02x", buf[i]); + if(ctrl->correctly_decodable == 1) { + assert(ctrl->tagbuf[i] == buf[i]); + } + } + printf("\n"); +} + |