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 static int test_verify_sha256() {
 416   int ret = 0;
 417
 418   int status = verify_sha256(
 419       (char[]){'c', 'o', 'l', 'l', 'e', 'c', 't', 'd'}, 8, "admin", "admin",
 420       (uint8_t[]){
 421           0xcd, 0xa5, 0x9a, 0x37, 0xb0, 0x81, 0xc2, 0x31, 0x24, 0x2a, 0x6d,
 422           0xbd, 0xfb, 0x44, 0xdb, 0xd7, 0x41, 0x2a, 0xf4, 0x29, 0x83, 0xde,
 423           0xa5, 0x11, 0x96, 0xd2, 0xe9, 0x30, 0x21, 0xae, 0xc5, 0x45,
 424       });
 425   if (status != 0) {
 426     fprintf(stderr, "verify_sha256() = %d, want 0\n", status);
 427     ret = -1;
 428   }
 429
 430   status = verify_sha256(
 431       (char[]){'c', 'o', 'l', 'l', 'E', 'c', 't', 'd'}, 8, "admin", "admin",
 432       (uint8_t[]){
 433           0xcd, 0xa5, 0x9a, 0x37, 0xb0, 0x81, 0xc2, 0x31, 0x24, 0x2a, 0x6d,
 434           0xbd, 0xfb, 0x44, 0xdb, 0xd7, 0x41, 0x2a, 0xf4, 0x29, 0x83, 0xde,
 435           0xa5, 0x11, 0x96, 0xd2, 0xe9, 0x30, 0x21, 0xae, 0xc5, 0x45,
 436       });
 437   if (status != 1) {
 438     fprintf(stderr, "verify_sha256() = %d, want 1\n", status);
 439     ret = -1;
 440   }
 441
 442   return ret;
 443 }
 444
 445 static int test_decrypt_aes256() {
 446   char const *iv_str = "4cbe2a747c9f9dcfa0e66f0c2fa74875";
 447   uint8_t iv[16] = {0};
 448   size_t iv_len = sizeof(iv);
 449
 450   char const *ciphertext_str =
 451       "8f023b0b15178f8428da1221a5f653e840f065db4aff032c22e5a3df";
 452   uint8_t ciphertext[28] = {0};
 453   size_t ciphertext_len = sizeof(ciphertext);
 454
 455   if (decode_string(iv_str, iv, &iv_len) ||
 456       decode_string(ciphertext_str, ciphertext, &ciphertext_len)) {
 457     fprintf(stderr, "test_decrypt_aes256: decode_string failed.\n");
 458     return -1;
 459   }
 460   assert(iv_len == sizeof(iv));
 461   assert(ciphertext_len == sizeof(ciphertext));
 462
 463   int status = decrypt_aes256(
 464       &(buffer_t){
 465           .data = ciphertext, .len = ciphertext_len,
 466       },
 467       iv, iv_len, "admin");
 468   if (status != 0) {
 469     fprintf(stderr, "decrypt_aes256() = %d, want 0\n", status);
 470     return -1;
 471   }
 472
 473   char const *want = "collectd";
 474   char got[9] = {0};
 475   memmove(got, &ciphertext[20], sizeof(got) - 1);
 476   if (strcmp(got, want) != 0) {
 477     fprintf(stderr, "decrypt_aes256() = \"%s\", want \"%s\"\n", got, want);
 478     return -1;
 479   }
 480
 481   return 0;
 482 }
 483
 484 int main(void) {
 485   int ret = 0;
 486
 487   printf("libcollectdclient/server_test.c\n");
 488
 489   int status;
 490   if ((status = test_network_parse())) {
 491     ret = status;
 492   }
 493   if ((status = test_parse_time())) {
 494     ret = status;
 495   }
 496   if ((status = test_parse_string())) {
 497     ret = status;
 498   }
 499   if ((status = test_parse_values())) {
 500     ret = status;
 501   }
 502
 503   if ((status = test_verify_sha256())) {
 504     ret = status;
 505   }
 506   if ((status = test_decrypt_aes256())) {
 507     ret = status;
 508   }
 509
 510   return ret;
 511 }