ceph/src/dpdk/app/test/test_cmdline_etheraddr.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <inttypes.h>
  37
  38 #include <rte_ether.h>
  39 #include <rte_string_fns.h>
  40
  41 #include <cmdline_parse.h>
  42 #include <cmdline_parse_etheraddr.h>
  43
  44 #include "test_cmdline.h"
  45
  46 struct ether_addr_str {
  47         const char * str;
  48         uint64_t address;
  49 };
  50
  51 /* valid strings */
  52 const struct ether_addr_str ether_addr_valid_strs[] = {
  53                 {"01:23:45:67:89:AB", 0xAB8967452301ULL},
  54                 {"4567:89AB:CDEF", 0xEFCDAB896745ULL},
  55 };
  56
  57 /* valid strings with various garbage at the end.
  58  * these strings are still valid because parser checks for
  59  * end of token, which is either space chars, null char or
  60  * a hash sign.
  61  */
  62 const char * ether_addr_garbage_strs[] = {
  63                 "00:11:22:33:44:55\0garbage",
  64                 "00:11:22:33:44:55#garbage",
  65                 "00:11:22:33:44:55 garbage",
  66                 "00:11:22:33:44:55\tgarbage",
  67                 "00:11:22:33:44:55\ngarbage",
  68                 "00:11:22:33:44:55\rgarbage",
  69                 "00:11:22:33:44:55#",
  70                 "00:11:22:33:44:55 ",
  71                 "00:11:22:33:44:55\t",
  72                 "00:11:22:33:44:55\n",
  73                 "00:11:22:33:44:55\r",
  74 };
  75 #define GARBAGE_ETHERADDR 0x554433221100ULL /* corresponding address */
  76
  77
  78 const char * ether_addr_invalid_strs[] = {
  79                 /* valid chars, invalid syntax */
  80                 "0123:45:67:89:AB",
  81                 "01:23:4567:89:AB",
  82                 "01:23:45:67:89AB",
  83                 "012:345:678:9AB",
  84                 "01:23:45:67:89:ABC",
  85                 "01:23:45:67:89:A",
  86                 "01:23:45:67:89",
  87                 "01:23:45:67:89:AB:CD",
  88                 /* invalid chars, valid syntax */
  89                 "IN:VA:LI:DC:HA:RS",
  90                 "INVA:LIDC:HARS",
  91                 /* misc */
  92                 "01 23 45 67 89 AB",
  93                 "01.23.45.67.89.AB",
  94                 "01,23,45,67,89,AB",
  95                 "01:23:45\0:67:89:AB",
  96                 "01:23:45#:67:89:AB",
  97                 "random invalid text",
  98                 "random text",
  99                 "",
 100                 "\0",
 101                 " ",
 102 };
 103
 104 #define ETHERADDR_VALID_STRS_SIZE \
 105         (sizeof(ether_addr_valid_strs) / sizeof(ether_addr_valid_strs[0]))
 106 #define ETHERADDR_GARBAGE_STRS_SIZE \
 107         (sizeof(ether_addr_garbage_strs) / sizeof(ether_addr_garbage_strs[0]))
 108 #define ETHERADDR_INVALID_STRS_SIZE \
 109         (sizeof(ether_addr_invalid_strs) / sizeof(ether_addr_invalid_strs[0]))
 110
 111
 112
 113 static int
 114 is_addr_different(const struct ether_addr addr, uint64_t num)
 115 {
 116         int i;
 117         for (i = 0; i < ETHER_ADDR_LEN; i++, num >>= 8)
 118                 if (addr.addr_bytes[i] != (num & 0xFF)) {
 119                         return 1;
 120                 }
 121         return 0;
 122 }
 123
 124 /* test invalid parameters */
 125 int
 126 test_parse_etheraddr_invalid_param(void)
 127 {
 128         char buf[CMDLINE_TEST_BUFSIZE];
 129         struct ether_addr result;
 130         int ret = 0;
 131
 132         /* try all null */
 133         ret = cmdline_parse_etheraddr(NULL, NULL, NULL, 0);
 134         if (ret != -1) {
 135                 printf("Error: parser accepted null parameters!\n");
 136                 return -1;
 137         }
 138
 139         /* try null buf */
 140         ret = cmdline_parse_etheraddr(NULL, NULL, (void*)&result,
 141                 sizeof(result));
 142         if (ret != -1) {
 143                 printf("Error: parser accepted null string!\n");
 144                 return -1;
 145         }
 146
 147         /* try null result */
 148
 149         /* copy string to buffer */
 150         snprintf(buf, sizeof(buf), "%s",
 151                         ether_addr_valid_strs[0].str);
 152
 153         ret = cmdline_parse_etheraddr(NULL, buf, NULL, 0);
 154         if (ret == -1) {
 155                 printf("Error: parser rejected null result!\n");
 156                 return -1;
 157         }
 158
 159         /* token is not used in ether_parse anyway so there's no point in
 160          * testing it */
 161
 162         /* test help function */
 163         memset(&buf, 0, sizeof(buf));
 164
 165         /* coverage! */
 166         ret = cmdline_get_help_etheraddr(NULL, buf, sizeof(buf));
 167         if (ret < 0) {
 168                 printf("Error: help function failed with valid parameters!\n");
 169                 return -1;
 170         }
 171
 172         return 0;
 173 }
 174
 175 /* test valid parameters but invalid data */
 176 int
 177 test_parse_etheraddr_invalid_data(void)
 178 {
 179         int ret = 0;
 180         unsigned i;
 181         struct ether_addr result;
 182
 183         /* test full strings */
 184         for (i = 0; i < ETHERADDR_INVALID_STRS_SIZE; i++) {
 185
 186                 memset(&result, 0, sizeof(struct ether_addr));
 187
 188                 ret = cmdline_parse_etheraddr(NULL, ether_addr_invalid_strs[i],
 189                         (void*)&result, sizeof(result));
 190                 if (ret != -1) {
 191                         printf("Error: parsing %s succeeded!\n",
 192                                         ether_addr_invalid_strs[i]);
 193                         return -1;
 194                 }
 195         }
 196
 197         return 0;
 198 }
 199
 200 /* test valid parameters and data */
 201 int
 202 test_parse_etheraddr_valid(void)
 203 {
 204         int ret = 0;
 205         unsigned i;
 206         struct ether_addr result;
 207
 208         /* test full strings */
 209         for (i = 0; i < ETHERADDR_VALID_STRS_SIZE; i++) {
 210
 211                 memset(&result, 0, sizeof(struct ether_addr));
 212
 213                 ret = cmdline_parse_etheraddr(NULL, ether_addr_valid_strs[i].str,
 214                         (void*)&result, sizeof(result));
 215                 if (ret < 0) {
 216                         printf("Error: parsing %s failed!\n",
 217                                         ether_addr_valid_strs[i].str);
 218                         return -1;
 219                 }
 220                 if (is_addr_different(result, ether_addr_valid_strs[i].address)) {
 221                         printf("Error: parsing %s failed: address mismatch!\n",
 222                                         ether_addr_valid_strs[i].str);
 223                         return -1;
 224                 }
 225         }
 226
 227         /* test garbage strings */
 228         for (i = 0; i < ETHERADDR_GARBAGE_STRS_SIZE; i++) {
 229
 230                 memset(&result, 0, sizeof(struct ether_addr));
 231
 232                 ret = cmdline_parse_etheraddr(NULL, ether_addr_garbage_strs[i],
 233                         (void*)&result, sizeof(result));
 234                 if (ret < 0) {
 235                         printf("Error: parsing %s failed!\n",
 236                                         ether_addr_garbage_strs[i]);
 237                         return -1;
 238                 }
 239                 if (is_addr_different(result, GARBAGE_ETHERADDR)) {
 240                         printf("Error: parsing %s failed: address mismatch!\n",
 241                                         ether_addr_garbage_strs[i]);
 242                         return -1;
 243                 }
 244         }
 245
 246         return 0;
 247 }