src/libcollectdclient/network_parse_test.c

   1 /**
   2  * Copyright 2017 Florian Forster
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  *
  22  * Authors:
  23  *   Florian octo Forster <octo at collectd.org>
  24  **/
  25
  26 #include "collectd/lcc_features.h"
  27
  28 #include "collectd/network_buffer.h" /* for LCC_NETWORK_BUFFER_SIZE_DEFAULT */
  29
  30 #include <assert.h>
  31
  32 #include "network_parse.c" /* sic */
  33
  34 char *raw_packet_data[] = {
  35     "0000000e6c6f63616c686f7374000008000c1513676ac3a6e0970009000c00000002800000"
  36     "000002000973776170000004000973776170000005000966726565000006000f0001010000"
  37     "0080ff610f420008000c1513676ac3a8fc120004000c737761705f696f0000050007696e00"
  38     "0006000f00010200000000000000000008000c1513676ac3a9077d000500086f7574000006"
  39     "000f00010200000000000000000008000c1513676ac3bd2a8c0002000e696e746572666163"
  40     "65000003000965746830000004000e69665f6f637465747300000500050000060018000202"
  41     "02000000000000000000000000000000000008000c1513676ac3bd5a970004000e69665f65"
  42     "72726f7273000006001800020202000000000000000000000000000000000008000c151367"
  43     "6ac3bd7fea000300076c6f000004000e69665f6f6374657473000006001800020202000000"
  44     "000009e79c000000000009e79c0008000c1513676ac3bdaae60003000a776c616e30000006"
  45     "001800020202000000001009fa5400000000011cf6670008000c1513676ac3bdb0e0000400"
  46     "0e69665f6572726f7273000006001800020202000000000000000000000000000000000008"
  47     "000c1513676ac3bd3d6d0003000965746830000004000f69665f7061636b65747300000600"
  48     "1800020202000000000000000000000000000000000008000c1513676ac3bdae290003000a"
  49     "776c616e300000060018000202020000000000032f8f00000000000205e50008000c151367"
  50     "6ac3bdbb7b0003000c646f636b657230000006001800020202000000000000000000000000"
  51     "000000000008000c1513676ac3bda0db000300076c6f000004000e69665f6572726f727300"
  52     "0006001800020202000000000000000000000000000000000008000c1513676ac3bdbde800"
  53     "03000c646f636b657230000006001800020202000000000000000000000000000000000008"
  54     "000c1513676ac3bd8d8e000300076c6f000004000f69665f7061636b657473000006001800"
  55     "0202020000000000000c9c0000000000000c9c0008000c1513676ac3bdb90b0003000c646f"
  56     "636b657230000004000e69665f6f6374657473000006001800020202000000000000000000"
  57     "000000000000000008000c1513676ac469b10f0002000e70726f6365737365730000030005"
  58     "000004000d70735f7374617465000005000c7a6f6d62696573000006000f00010100000000"
  59     "000000000008000c1513676ac469a4a30005000d736c656570696e67000006000f00010100"
  60     "00000000006e400008000c1513676ac469c6320005000b706167696e67000006000f000101"
  61     "00000000000000000008000c1513676ac469f06e0005000c626c6f636b6564000006000f00"
  62     "010100000000000000000008000c1513676ac4698af40005000c72756e6e696e6700000600"
  63     "0f00010100000000000000000008000c1513676ac469bbe10005000c73746f707065640000"
  64     "06000f00010100000000000000000008000c1513676ac46b8e710004000e666f726b5f7261"
  65     "74650000050005000006000f0001020000000000001bcf0008000c1513676d437f12960002"
  66     "00086370750000030006300000040008637075000005000b73797374656d000006000f0001"
  67     "0200000000000021870008000c1513676d437f36020005000969646c65000006000f000102"
  68     "000000000005847a0008000c1513676d437f979b0005000977616974000006000f00010200"
  69     "000000000005210008000c1513676d43802ff60005000c736f6674697271000006000f0001"
  70     "02000000000000001f0008000c1513676d43803b3a0005000a737465616c000006000f0001"
  71     "020000000000000000",
  72     "0000000e6c6f63616c686f7374000008000c1513676d4380551f0009000c00000002800000"
  73     "00000200086370750000030006310000040008637075000005000975736572000006000f00"
  74     "01020000000000007cad0008000c1513676d43805dbe000500096e696365000006000f0001"
  75     "0200000000000001de0008000c1513676d4380697d0005000b73797374656d000006000f00"
  76     "01020000000000001ce80008000c1513676d438072bd0005000969646c65000006000f0001"
  77     "02000000000005931c0008000c1513676d43807c430005000977616974000006000f000102"
  78     "000000000000094b0008000c1513676d43808cee0005000c736f6674697271000006000f00"
  79     "010200000000000000120008000c1513676d4380843a0005000e696e746572727570740000"
  80     "06000f00010200000000000000000008000c1513676d438096230005000a737465616c0000"
  81     "06000f00010200000000000000000008000c1513676d4380aa9c0003000632000005000975"
  82     "736572000006000f00010200000000000089580008000c1513676d4380b29f000500096e69"
  83     "6365000006000f00010200000000000003610008000c1513676d4380c44c0005000969646c"
  84     "65000006000f000102000000000005873d0008000c1513676d4380bc0f0005000b73797374"
  85     "656d000006000f000102000000000000201d0008000c1513676d4380cea400050009776169"
  86     "74000006000f00010200000000000005810008000c1513676d4380d7370005000e696e7465"
  87     "7272757074000006000f00010200000000000000000008000c1513676d4380ea830005000a"
  88     "737465616c000006000f00010200000000000000000008000c1513676d437eef6200030006"
  89     "3000000500096e696365000006000f00010200000000000003920008000c1513676d4380e0"
  90     "260003000632000005000c736f6674697271000006000f0001020000000000000016000800"
  91     "0c1513676d438101410003000633000005000975736572000006000f000102000000000000"
  92     "7d8a0008000c1513676d438109f5000500096e696365000006000f00010200000000000004"
  93     "350008000c1513676d4380244b0003000630000005000e696e74657272757074000006000f"
  94     "00010200000000000000000008000c1513676d438122070003000633000005000969646c65"
  95     "000006000f0001020000000000058eb60008000c1513676d43812e83000500097761697400"
  96     "0006000f0001020000000000000ca80008000c1513676d438141480005000c736f66746972"
  97     "71000006000f000102000000000000001e0008000c1513676d43814a5d0005000a73746561"
  98     "6c000006000f00010200000000000000000008000c1513676d4381149e0005000b73797374"
  99     "656d000006000f0001020000000000001b9a0008000c1513676d437ea86000030006300000"
 100     "05000975736572000006000f00010200000000000089a80008000c1513676d438138190003"
 101     "000633000005000e696e74657272757074000006000f00010200000000000000000008000c"
 102     "1513676d438a9ca00002000e696e74657266616365000003000965746830000004000e6966"
 103     "5f6f6374657473000005000500000600180002020200000000000000000000000000000000"
 104     "0008000c1513676d438aea760004000f69665f7061636b6574730000060018000202020000"
 105     "00000000000000000000000000000008000c1513676d438b214d0004000e69665f6572726f"
 106     "727300000600180002020200000000000000000000000000000000",
 107     "0000000e6c6f63616c686f7374000008000c1513676d438aac590009000c00000002800000"
 108     "000002000764660000030009726f6f74000004000f64665f636f6d706c6578000005000966"
 109     "726565000006000f0001010000004c077e57420008000c1513676d438b6ada0005000d7265"
 110     "736572766564000006000f00010100000000338116420008000c1513676d438b7a17000200"
 111     "0e696e7465726661636500000300076c6f000004000e69665f6f6374657473000005000500"
 112     "0006001800020202000000000009ecf5000000000009ecf50008000c1513676d438b757800"
 113     "02000764660000030009726f6f74000004000f64665f636f6d706c65780000050009757365"
 114     "64000006000f000101000000e0a41b26420008000c1513676d438b8ed20002000e696e7465"
 115     "726661636500000300076c6f000004000e69665f6572726f72730000050005000006001800"
 116     "020202000000000000000000000000000000000008000c1513676d438b86bf0004000f6966"
 117     "5f7061636b6574730000060018000202020000000000000c9d0000000000000c9d0008000c"
 118     "1513676d438bb3e60003000a776c616e300000060018000202020000000000032fab000000"
 119     "00000205ed0008000c1513676d438bd62e0003000c646f636b657230000004000e69665f6f"
 120     "6374657473000006001800020202000000000000000000000000000000000008000c151367"
 121     "6d438bbc8f0003000a776c616e30000004000e69665f6572726f7273000006001800020202"
 122     "000000000000000000000000000000000008000c1513676d438bdf030003000c646f636b65"
 123     "7230000004000f69665f7061636b6574730000060018000202020000000000000000000000"
 124     "00000000000008000c1513676d438baaf10003000a776c616e30000004000e69665f6f6374"
 125     "65747300000600180002020200000000100a042300000000011cfa460008000c1513676d43"
 126     "8c5f100002000764660000030009626f6f74000004000f64665f636f6d706c657800000500"
 127     "0966726565000006000f0001010000000010e198410008000c1513676d438c689c0005000d"
 128     "7265736572766564000006000f00010100000000804c68410008000c1513676d438c70ce00"
 129     "05000975736564000006000f0001010000000020ea9e410008000c1513676d438be7bc0002"
 130     "000e696e74657266616365000003000c646f636b657230000004000e69665f6572726f7273"
 131     "0000050005000006001800020202000000000000000000000000000000000008000c151367"
 132     "6d43beca8c0002000c656e74726f70790000030005000004000c656e74726f707900000600"
 133     "0f0001010000000000088f400008000c1513676d43bf1d13000200096c6f61640000040009"
 134     "6c6f6164000006002100030101019a9999999999a93f666666666666d63f5c8fc2f5285cdf"
 135     "3f0008000c1513676d43c02b85000200096469736b00000300087364610000040010646973"
 136     "6b5f6f63746574730000060018000202020000000075887800000000005b6f3c000008000c"
 137     "1513676d43c06d1f0004000d6469736b5f6f7073000006001800020202000000000003cbbd"
 138     "000000000001c0510008000c1513676d43c08b6a0004000e6469736b5f74696d6500000600"
 139     "1800020202000000000000003f00000000000001720008000c1513676d43c0a5fb00040010"
 140     "6469736b5f6d65726765640000060018000202020000000000001285000000000000f80100"
 141     "08000c1513676d43c0c8b4000300097364613100000400106469736b5f6f63746574730000"
 142     "060018000202020000000001107c000000000000003c00",
 143     "0000000e6c6f63616c686f7374000008000c1513676d43c0d00a0009000c00000002800000"
 144     "00000200096469736b000003000973646131000004000d6469736b5f6f7073000006001800"
 145     "020202000000000000029b00000000000000080008000c1513676d43c0d7b20004000e6469"
 146     "736b5f74696d650000060018000202020000000000000004000000000000000f0008000c15"
 147     "13676d43c0df73000400106469736b5f6d6572676564000006001800020202000000000000"
 148     "0fb400000000000000010008000c1513676d43c0f87c000300097364613200000400106469"
 149     "736b5f6f637465747300000600180002020200000000000008000000000000000000000800"
 150     "0c1513676d43c1003e0004000d6469736b5f6f707300000600180002020200000000000000"
 151     "0200000000000000000008000c1513676d43c107bf000400106469736b5f6d657267656400"
 152     "0006001800020202000000000000000000000000000000000008000c1513676d43c12fa400"
 153     "03000973646135000004000d6469736b5f6f7073000006001800020202000000000003c867"
 154     "000000000001aef20008000c1513676d43c13d5e000400106469736b5f6d65726765640000"
 155     "0600180002020200000000000002d1000000000000f8000008000c1513676d43c136a90004"
 156     "000e6469736b5f74696d65000006001800020202000000000000003f000000000000011c00"
 157     "08000c1513676d43c1740500030009646d2d3000000400106469736b5f6f63746574730000"
 158     "060018000202020000000074596400000000005b6f00000008000c1513676d43c179c70004"
 159     "000d6469736b5f6f7073000006001800020202000000000003cae4000000000002b0f30008"
 160     "000c1513676d43c18abe000400106469736b5f6d6572676564000006001800020202000000"
 161     "000000000000000000000000000008000c1513676d43c181b90004000e6469736b5f74696d"
 162     "650000060018000202020000000000000040000000000000013e0008000c1513676d43c1a9"
 163     "5e00030009646d2d3100000400106469736b5f6f6374657473000006001800020202000000"
 164     "00000e000000000000000000000008000c1513676d43c1b7ea0004000e6469736b5f74696d"
 165     "65000006001800020202000000000000000200000000000000000008000c1513676d43c1b0"
 166     "3e0004000d6469736b5f6f707300000600180002020200000000000000e000000000000000"
 167     "000008000c1513676d43c1c00d000400106469736b5f6d6572676564000006001800020202"
 168     "000000000000000000000000000000000008000c1513676d43c12818000300097364613500"
 169     "000400106469736b5f6f637465747300000600180002020200000000746c6400000000005b"
 170     "6f00000008000c1513676d43d320a80002000c62617474657279000003000630000004000b"
 171     "636861726765000006000f0001018fc2f5285c2f58400008000c1513676d43d36fd6000400"
 172     "0c63757272656e74000006000f00010100000000000000800008000c1513676d43d3cdb600"
 173     "04000c766f6c74616765000006000f000101736891ed7cbf28400008000c1513676d43d59d"
 174     "d60002000869727100000300050000040008697271000005000630000006000f0001020000"
 175     "0000000000110008000c1513676d43d5d2cf0005000631000006000f000102000000000000"
 176     "00100008000c1513676d43d5fe820005000638000006000f00010200000000000000010008"
 177     "000c1513676d43d635440005000639000006000f00010200000000000035210008000c1513"
 178     "676d43d66265000500073132000006000f0001020000000000000790",
 179     "0000000e6c6f63616c686f7374000008000c1513676d43d68e940009000c00000002800000"
 180     "0000020008697271000004000869727100000500073136000006000f000102000000000000"
 181     "00210008000c1513676d43d69be20002000a7573657273000004000a757365727300000500"
 182     "05000006000f00010100000000000010400008000c1513676d43d6aa5d0002000869727100"
 183     "0004000869727100000500073233000006000f00010200000000000000250008000c151367"
 184     "6d43d6c7dc000500073431000006000f000102000000000000ff7d0008000c1513676d43d6"
 185     "e23d000500073432000006000f00010200000000000008070008000c1513676d43d9aa3a00"
 186     "0500073437000006000f0001020000000000079a260008000c1513676d43d9cca900050007"
 187     "3438000006000f00010200000000000000c70008000c1513676d43d9ea5d00050007343900"
 188     "0006000f00010200000000000004c20008000c1513676d43da050e00050007353000000600"
 189     "0f000102000000000000001c0008000c1513676d43da1efa000500084e4d49000006000f00"
 190     "010200000000000000000008000c1513676d43da3c82000500084c4f43000006000f000102"
 191     "000000000018d3080008000c1513676d43da544e00050008535055000006000f0001020000"
 192     "0000000000000008000c1513676d43da6cca00050008504d49000006000f00010200000000"
 193     "000000000008000c1513676d43da885400050008495749000006000f000102000000000000"
 194     "a9da0008000c1513676d43daa23a00050008525452000006000f0001020000000000000003"
 195     "0008000c1513676d43dabaed00050008524553000006000f00010200000000000ac8360008"
 196     "000c1513676d43dad4150005000843414c000006000f000102000000000000191f0008000c"
 197     "1513676d43daeef300050008544c42000006000f000102000000000003dbdc0008000c1513"
 198     "676d43db11410005000854524d000006000f00010200000000000000000008000c1513676d"
 199     "43db292c00050008544852000006000f00010200000000000000000008000c1513676d43db"
 200     "411d000500084d4345000006000f00010200000000000000000008000c1513676d43db5b59"
 201     "000500084d4350000006000f000102000000000000003c0008000c1513676d43db68010005"
 202     "0008455252000006000f00010200000000000000000008000c1513676d43db758a00050008"
 203     "4d4953000006000f00010200000000000000000008000c1513676d43dd2e800002000b6d65"
 204     "6d6f7279000004000b6d656d6f7279000005000975736564000006000f00010100000000fe"
 205     "bbe0410008000c1513676d43dd3f4b0005000d6275666665726564000006000f0001010000"
 206     "000070fbc8410008000c1513676d43dd48700005000b636163686564000006000f00010100"
 207     "000000c008df410008000c1513676d43dd51c60005000966726565000006000f0001010000"
 208     "0080481d05420008000c1513676d43dec7e300020009737761700000040009737761700000"
 209     "05000975736564000006000f00010100000000000000000008000c1513676d43ded4490005"
 210     "000966726565000006000f00010100000080ff610f420008000c1513676d43dedcfd000500"
 211     "0b636163686564000006000f00010100000000000000000008000c1513676d43d715e30002"
 212     "0008697271000004000869727100000500073434000006000f0001020000000000031b6100"
 213     "08000c1513676d43d73116000500073435000006000f00010200000000000000180008000c"
 214     "1513676d43ee00150002000973776170000004000c737761705f696f0000050007696e0000"
 215     "06000f0001020000000000000000",
 216 };
 217
 218 static int decode_string(char const *in, uint8_t *out, size_t *out_size) {
 219   size_t in_size = strlen(in);
 220   if (*out_size < (in_size / 2))
 221     return -1;
 222   *out_size = in_size / 2;
 223
 224   for (size_t i = 0; i < *out_size; i++) {
 225     char tmp[] = {in[2 * i], in[2 * i + 1], 0};
 226     out[i] = (uint8_t)strtoul(tmp, NULL, 16);
 227   }
 228
 229   return 0;
 230 }
 231
 232 static int nop_writer(lcc_value_list_t const *vl) {
 233   if (!strlen(vl->identifier.host) || !strlen(vl->identifier.plugin) ||
 234       !strlen(vl->identifier.type)) {
 235     return EINVAL;
 236   }
 237   return 0;
 238 }
 239
 240 static int test_network_parse() {
 241   int ret = 0;
 242
 243   for (size_t i = 0; i < sizeof(raw_packet_data) / sizeof(raw_packet_data[0]);
 244        i++) {
 245     uint8_t buffer[LCC_NETWORK_BUFFER_SIZE_DEFAULT];
 246     size_t buffer_size = sizeof(buffer);
 247     if (decode_string(raw_packet_data[i], buffer, &buffer_size)) {
 248       fprintf(
 249           stderr,
 250           "lcc_network_parse(raw_packet_data[%zu]): decoding string failed\n",
 251           i);
 252       return -1;
 253     }
 254
 255     int status =
 256         lcc_network_parse(buffer, buffer_size, (lcc_network_parse_options_t){
 257                                                    .writer = nop_writer,
 258                                                });
 259     if (status != 0) {
 260       fprintf(stderr, "lcc_network_parse(raw_packet_data[%zu]) = %d, want 0\n",
 261               i, status);
 262       ret = status;
 263     }
 264
 265     printf("ok - lcc_network_parse(raw_packet_data[%zu])\n", i);
 266   }
 267
 268   return ret;
 269 }
 270
 271 static int test_parse_time() {
 272   int ret = 0;
 273
 274   struct {
 275     uint64_t in;
 276     double want;
 277   } cases[] = {
 278       {1439980823, 1439980823.0},
 279       {1439981005, 1439981005.0},
 280       {1439981150, 1439981150.0},
 281   };
 282
 283   for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
 284     lcc_value_list_t vl = LCC_VALUE_LIST_INIT;
 285
 286     uint64_t be = htobe64(cases[i].in);
 287     int status = parse_time(TYPE_TIME, &be, sizeof(be), &vl);
 288     if ((status != 0) || (vl.time != cases[i].want)) {
 289       fprintf(stderr, "parse_time(%" PRIu64 ") = (%.0f, %d), want (%.0f, 0)\n",
 290               cases[i].in, vl.time, status, cases[i].want);
 291       ret = -1;
 292     }
 293   }
 294
 295   struct {
 296     uint64_t in;
 297     double want;
 298   } cases_hr[] = {
 299       {1546167635576736987, 1439980823.152453627},
 300       {1546167831554815222, 1439981005.671262017},
 301       {1546167986577716567, 1439981150.047589622},
 302   };
 303
 304   for (size_t i = 0; i < sizeof(cases_hr) / sizeof(cases_hr[0]); i++) {
 305     lcc_value_list_t vl = LCC_VALUE_LIST_INIT;
 306
 307     uint64_t be = htobe64(cases_hr[i].in);
 308     int status = parse_time(TYPE_TIME_HR, &be, sizeof(be), &vl);
 309     if ((status != 0) || (vl.time != cases_hr[i].want)) {
 310       fprintf(stderr, "parse_time(%" PRIu64 ") = (%.9f, %d), want (%.9f, 0)\n",
 311               cases_hr[i].in, vl.time, status, cases_hr[i].want);
 312       ret = -1;
 313     }
 314   }
 315
 316   return ret;
 317 }
 318
 319 static int test_parse_string() {
 320   int ret = 0;
 321
 322   struct {
 323     uint8_t *in;
 324     size_t in_len;
 325     char *want;
 326   } cases[] = {
 327       {(uint8_t[]){0}, 1, ""},
 328       {(uint8_t[]){'t', 'e', 's', 't', 0}, 5, "test"},
 329       {(uint8_t[]){'t', 'e', 's', 't'}, 4, NULL}, // null byte missing
 330       {(uint8_t[]){'t', 'e', 's', 't', 'x', 0}, 6,
 331        NULL}, // output buffer too small
 332   };
 333
 334   for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
 335     char got[5] = {0};
 336
 337     int status = parse_string(cases[i].in, cases[i].in_len, got, sizeof(got));
 338     if (cases[i].want == NULL) {
 339       if (status == 0) {
 340         fprintf(stderr, "parse_string() = (\"%s\", 0), want error\n", got);
 341         ret = -1;
 342       }
 343     } else /* if cases[i].want != NULL */ {
 344       if (status != 0) {
 345         fprintf(stderr, "parse_string() = %d, want 0\n", status);
 346         ret = -1;
 347       } else if (strcmp(got, cases[i].want) != 0) {
 348         fprintf(stderr, "parse_string() = (\"%s\", 0), want (\"%s\", 0)\n", got,
 349                 cases[i].want);
 350         ret = -1;
 351       }
 352     }
 353   }
 354
 355   return ret;
 356 }
 357
 358 static int test_parse_values() {
 359   int ret = 0;
 360
 361   uint8_t testcase[] = {
 362       // 0, 6,                          // pkg type
 363       // 0, 33,                         // pkg len
 364       0, 3,                         // num values
 365       1, 2, 1,                      // gauge, derive, gauge
 366       0, 0, 0, 0, 0, 0, 0x45, 0x40, // 42.0
 367       0, 0, 0, 0, 0, 0, 0x7a, 0x69, // 31337
 368       0, 0, 0, 0, 0, 0, 0xf8, 0x7f, // NaN
 369   };
 370
 371   lcc_value_list_t vl = LCC_VALUE_LIST_INIT;
 372   int status = parse_values(testcase, sizeof(testcase), &vl);
 373   if (status != 0) {
 374     fprintf(stderr, "parse_values() = %d, want 0\n", status);
 375     return -1;
 376   }
 377
 378   if (vl.values_len != 3) {
 379     fprintf(stderr, "parse_values(): vl.values_len = %zu, want 3\n",
 380             vl.values_len);
 381     return -1;
 382   }
 383
 384   int want_types[] = {LCC_TYPE_GAUGE, LCC_TYPE_DERIVE, LCC_TYPE_GAUGE};
 385   for (size_t i = 0; i < sizeof(want_types) / sizeof(want_types[0]); i++) {
 386     if (vl.values_types[i] != want_types[i]) {
 387       fprintf(stderr, "parse_values(): vl.values_types[%zu] = %d, want %d\n", i,
 388               vl.values_types[i], want_types[i]);
 389       ret = -1;
 390     }
 391   }
 392
 393   if (vl.values[0].gauge != 42.0) {
 394     fprintf(stderr, "parse_values(): vl.values[0] = %g, want 42\n",
 395             vl.values[0].gauge);
 396     ret = -1;
 397   }
 398   if (vl.values[1].derive != 31337) {
 399     fprintf(stderr, "parse_values(): vl.values[1] = %" PRIu64 ", want 31337\n",
 400             vl.values[1].derive);
 401     ret = -1;
 402   }
 403   if (!isnan(vl.values[2].gauge)) {
 404     fprintf(stderr, "parse_values(): vl.values[2] = %g, want NaN\n",
 405             vl.values[2].gauge);
 406     ret = -1;
 407   }
 408
 409   free(vl.values);
 410   free(vl.values_types);
 411
 412   return ret;
 413 }
 414
 415 #if HAVE_GCRYPT_H
 416 static int test_verify_sha256() {
 417   int ret = 0;
 418
 419   int status = verify_sha256(
 420       (char[]){'c', 'o', 'l', 'l', 'e', 'c', 't', 'd'}, 8, "admin", "admin",
 421       (uint8_t[]){
 422           0xcd, 0xa5, 0x9a, 0x37, 0xb0, 0x81, 0xc2, 0x31, 0x24, 0x2a, 0x6d,
 423           0xbd, 0xfb, 0x44, 0xdb, 0xd7, 0x41, 0x2a, 0xf4, 0x29, 0x83, 0xde,
 424           0xa5, 0x11, 0x96, 0xd2, 0xe9, 0x30, 0x21, 0xae, 0xc5, 0x45,
 425       });
 426   if (status != 0) {
 427     fprintf(stderr, "verify_sha256() = %d, want 0\n", status);
 428     ret = -1;
 429   }
 430
 431   status = verify_sha256(
 432       (char[]){'c', 'o', 'l', 'l', 'E', 'c', 't', 'd'}, 8, "admin", "admin",
 433       (uint8_t[]){
 434           0xcd, 0xa5, 0x9a, 0x37, 0xb0, 0x81, 0xc2, 0x31, 0x24, 0x2a, 0x6d,
 435           0xbd, 0xfb, 0x44, 0xdb, 0xd7, 0x41, 0x2a, 0xf4, 0x29, 0x83, 0xde,
 436           0xa5, 0x11, 0x96, 0xd2, 0xe9, 0x30, 0x21, 0xae, 0xc5, 0x45,
 437       });
 438   if (status != 1) {
 439     fprintf(stderr, "verify_sha256() = %d, want 1\n", status);
 440     ret = -1;
 441   }
 442
 443   return ret;
 444 }
 445 #endif
 446
 447 #if HAVE_GCRYPT_H
 448 static int test_decrypt_aes256() {
 449   char const *iv_str = "4cbe2a747c9f9dcfa0e66f0c2fa74875";
 450   uint8_t iv[16] = {0};
 451   size_t iv_len = sizeof(iv);
 452
 453   char const *ciphertext_str =
 454       "8f023b0b15178f8428da1221a5f653e840f065db4aff032c22e5a3df";
 455   uint8_t ciphertext[28] = {0};
 456   size_t ciphertext_len = sizeof(ciphertext);
 457
 458   if (decode_string(iv_str, iv, &iv_len) ||
 459       decode_string(ciphertext_str, ciphertext, &ciphertext_len)) {
 460     fprintf(stderr, "test_decrypt_aes256: decode_string failed.\n");
 461     return -1;
 462   }
 463   assert(iv_len == sizeof(iv));
 464   assert(ciphertext_len == sizeof(ciphertext));
 465
 466   int status = decrypt_aes256(
 467       &(buffer_t){
 468           .data = ciphertext, .len = ciphertext_len,
 469       },
 470       iv, iv_len, "admin");
 471   if (status != 0) {
 472     fprintf(stderr, "decrypt_aes256() = %d, want 0\n", status);
 473     return -1;
 474   }
 475
 476   char const *want = "collectd";
 477   char got[9] = {0};
 478   memmove(got, &ciphertext[20], sizeof(got) - 1);
 479   if (strcmp(got, want) != 0) {
 480     fprintf(stderr, "decrypt_aes256() = \"%s\", want \"%s\"\n", got, want);
 481     return -1;
 482   }
 483
 484   return 0;
 485 }
 486 #endif
 487
 488 int main(void) {
 489   int ret = 0;
 490
 491   int status;
 492   if ((status = test_network_parse())) {
 493     ret = status;
 494   }
 495   if ((status = test_parse_time())) {
 496     ret = status;
 497   }
 498   if ((status = test_parse_string())) {
 499     ret = status;
 500   }
 501   if ((status = test_parse_values())) {
 502     ret = status;
 503   }
 504
 505 #if HAVE_GCRYPT_H
 506   if ((status = test_verify_sha256())) {
 507     ret = status;
 508   }
 509   if ((status = test_decrypt_aes256())) {
 510     ret = status;
 511   }
 512 #endif
 513
 514   return ret;
 515 }