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

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <inttypes.h>
   8
   9 #include <rte_ether.h>
  10 #include <rte_string_fns.h>
  11
  12 #include <cmdline_parse.h>
  13 #include <cmdline_parse_etheraddr.h>
  14
  15 #include "test_cmdline.h"
  16
  17 struct ether_addr_str {
  18         const char * str;
  19         uint64_t address;
  20 };
  21
  22 /* valid strings */
  23 const struct ether_addr_str ether_addr_valid_strs[] = {
  24                 {"01:23:45:67:89:AB", 0xAB8967452301ULL},
  25                 {"4567:89AB:CDEF", 0xEFCDAB896745ULL},
  26 };
  27
  28 /* valid strings with various garbage at the end.
  29  * these strings are still valid because parser checks for
  30  * end of token, which is either space chars, null char or
  31  * a hash sign.
  32  */
  33 const char * ether_addr_garbage_strs[] = {
  34                 "00:11:22:33:44:55\0garbage",
  35                 "00:11:22:33:44:55#garbage",
  36                 "00:11:22:33:44:55 garbage",
  37                 "00:11:22:33:44:55\tgarbage",
  38                 "00:11:22:33:44:55\ngarbage",
  39                 "00:11:22:33:44:55\rgarbage",
  40                 "00:11:22:33:44:55#",
  41                 "00:11:22:33:44:55 ",
  42                 "00:11:22:33:44:55\t",
  43                 "00:11:22:33:44:55\n",
  44                 "00:11:22:33:44:55\r",
  45 };
  46 #define GARBAGE_ETHERADDR 0x554433221100ULL /* corresponding address */
  47
  48
  49 const char * ether_addr_invalid_strs[] = {
  50                 /* valid chars, invalid syntax */
  51                 "0123:45:67:89:AB",
  52                 "01:23:4567:89:AB",
  53                 "01:23:45:67:89AB",
  54                 "012:345:678:9AB",
  55                 "01:23:45:67:89:ABC",
  56                 "01:23:45:67:89:A",
  57                 "01:23:45:67:89",
  58                 "01:23:45:67:89:AB:CD",
  59                 /* invalid chars, valid syntax */
  60                 "IN:VA:LI:DC:HA:RS",
  61                 "INVA:LIDC:HARS",
  62                 /* misc */
  63                 "01 23 45 67 89 AB",
  64                 "01.23.45.67.89.AB",
  65                 "01,23,45,67,89,AB",
  66                 "01:23:45\0:67:89:AB",
  67                 "01:23:45#:67:89:AB",
  68                 "random invalid text",
  69                 "random text",
  70                 "",
  71                 "\0",
  72                 " ",
  73 };
  74
  75 #define ETHERADDR_VALID_STRS_SIZE \
  76         (sizeof(ether_addr_valid_strs) / sizeof(ether_addr_valid_strs[0]))
  77 #define ETHERADDR_GARBAGE_STRS_SIZE \
  78         (sizeof(ether_addr_garbage_strs) / sizeof(ether_addr_garbage_strs[0]))
  79 #define ETHERADDR_INVALID_STRS_SIZE \
  80         (sizeof(ether_addr_invalid_strs) / sizeof(ether_addr_invalid_strs[0]))
  81
  82
  83
  84 static int
  85 is_addr_different(const struct ether_addr addr, uint64_t num)
  86 {
  87         int i;
  88         for (i = 0; i < ETHER_ADDR_LEN; i++, num >>= 8)
  89                 if (addr.addr_bytes[i] != (num & 0xFF)) {
  90                         return 1;
  91                 }
  92         return 0;
  93 }
  94
  95 /* test invalid parameters */
  96 int
  97 test_parse_etheraddr_invalid_param(void)
  98 {
  99         char buf[CMDLINE_TEST_BUFSIZE];
 100         struct ether_addr result;
 101         int ret = 0;
 102
 103         /* try all null */
 104         ret = cmdline_parse_etheraddr(NULL, NULL, NULL, 0);
 105         if (ret != -1) {
 106                 printf("Error: parser accepted null parameters!\n");
 107                 return -1;
 108         }
 109
 110         /* try null buf */
 111         ret = cmdline_parse_etheraddr(NULL, NULL, (void*)&result,
 112                 sizeof(result));
 113         if (ret != -1) {
 114                 printf("Error: parser accepted null string!\n");
 115                 return -1;
 116         }
 117
 118         /* try null result */
 119
 120         /* copy string to buffer */
 121         strlcpy(buf, ether_addr_valid_strs[0].str, sizeof(buf));
 122
 123         ret = cmdline_parse_etheraddr(NULL, buf, NULL, 0);
 124         if (ret == -1) {
 125                 printf("Error: parser rejected null result!\n");
 126                 return -1;
 127         }
 128
 129         /* token is not used in ether_parse anyway so there's no point in
 130          * testing it */
 131
 132         /* test help function */
 133         memset(&buf, 0, sizeof(buf));
 134
 135         /* coverage! */
 136         ret = cmdline_get_help_etheraddr(NULL, buf, sizeof(buf));
 137         if (ret < 0) {
 138                 printf("Error: help function failed with valid parameters!\n");
 139                 return -1;
 140         }
 141
 142         return 0;
 143 }
 144
 145 /* test valid parameters but invalid data */
 146 int
 147 test_parse_etheraddr_invalid_data(void)
 148 {
 149         int ret = 0;
 150         unsigned i;
 151         struct ether_addr result;
 152
 153         /* test full strings */
 154         for (i = 0; i < ETHERADDR_INVALID_STRS_SIZE; i++) {
 155
 156                 memset(&result, 0, sizeof(struct ether_addr));
 157
 158                 ret = cmdline_parse_etheraddr(NULL, ether_addr_invalid_strs[i],
 159                         (void*)&result, sizeof(result));
 160                 if (ret != -1) {
 161                         printf("Error: parsing %s succeeded!\n",
 162                                         ether_addr_invalid_strs[i]);
 163                         return -1;
 164                 }
 165         }
 166
 167         return 0;
 168 }
 169
 170 /* test valid parameters and data */
 171 int
 172 test_parse_etheraddr_valid(void)
 173 {
 174         int ret = 0;
 175         unsigned i;
 176         struct ether_addr result;
 177
 178         /* test full strings */
 179         for (i = 0; i < ETHERADDR_VALID_STRS_SIZE; i++) {
 180
 181                 memset(&result, 0, sizeof(struct ether_addr));
 182
 183                 ret = cmdline_parse_etheraddr(NULL, ether_addr_valid_strs[i].str,
 184                         (void*)&result, sizeof(result));
 185                 if (ret < 0) {
 186                         printf("Error: parsing %s failed!\n",
 187                                         ether_addr_valid_strs[i].str);
 188                         return -1;
 189                 }
 190                 if (is_addr_different(result, ether_addr_valid_strs[i].address)) {
 191                         printf("Error: parsing %s failed: address mismatch!\n",
 192                                         ether_addr_valid_strs[i].str);
 193                         return -1;
 194                 }
 195         }
 196
 197         /* test garbage strings */
 198         for (i = 0; i < ETHERADDR_GARBAGE_STRS_SIZE; i++) {
 199
 200                 memset(&result, 0, sizeof(struct ether_addr));
 201
 202                 ret = cmdline_parse_etheraddr(NULL, ether_addr_garbage_strs[i],
 203                         (void*)&result, sizeof(result));
 204                 if (ret < 0) {
 205                         printf("Error: parsing %s failed!\n",
 206                                         ether_addr_garbage_strs[i]);
 207                         return -1;
 208                 }
 209                 if (is_addr_different(result, GARBAGE_ETHERADDR)) {
 210                         printf("Error: parsing %s failed: address mismatch!\n",
 211                                         ether_addr_garbage_strs[i]);
 212                         return -1;
 213                 }
 214         }
 215
 216         return 0;
 217 }