2 * Check decoding of request_key syscall.
4 * Copyright (c) 2016 Eugene Syromiatnikov <evgsyr@gmail.com>
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8 * modification, are permitted provided that the following conditions
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32 #include <asm/unistd.h>
34 #ifdef __NR_request_key
36 # include <inttypes.h>
41 print_val_str(const void *ptr, const char *str)
50 do_request_key(const char *type, const char *type_str, const char *desc,
51 const char *desc_str, const char *info, const char *info_str,
52 int32_t keyring, const char *keyring_str)
54 long rc = syscall(__NR_request_key, type, desc, info, keyring);
55 const char *errstr = sprintrc(rc);
56 printf("request_key(");
57 print_val_str(type, type_str);
58 print_val_str(desc, desc_str);
59 print_val_str(info, info_str);
61 printf("%s", keyring_str);
63 printf("%d", keyring);
64 printf(") = %s\n", errstr);
67 # define _STR(_arg) #_arg
68 # define ARG_STR(_arg) (_arg), #_arg
73 static const char unterminated1[] = { '\1', '\2', '\3', '\4', '\5' };
74 static const char unterminated2[] = { '\6', '\7', '\10', '\11', '\12' };
75 static const char unterminated3[] =
76 { '\16', '\17', '\20', '\21', '\22' };
78 char *bogus_type = tail_memdup(unterminated1, sizeof(unterminated1));
79 char *bogus_desc = tail_memdup(unterminated2, sizeof(unterminated2));
80 char *bogus_info = tail_memdup(unterminated3, sizeof(unterminated3));
92 { (const char *) 0xfffffee1fffffbadULL, NULL },
94 { ARG_STR("\20\21\22\23\24") },
103 { (const char *) 0xfffff00dfffffca7ULL, NULL },
104 { bogus_desc, NULL },
105 { ARG_STR("\25\26\27\30\31") },
107 { "overly long description", _STR("overly long ") "..." },
115 { (const char *) 0xfffffacefffff157ULL, NULL },
116 { bogus_info, NULL },
117 { ARG_STR("\32\33\34\35\36") },
119 { "overly long info", _STR("overly long ") "..." },
127 { ARG_STR(1234567890) },
128 { ARG_STR(-1234567890) },
129 { -1, "KEY_SPEC_THREAD_KEYRING" },
132 for (i = 0; i < ARRAY_SIZE(types); i++)
133 for (j = 0; j < ARRAY_SIZE(descs); j++)
134 for (k = 0; k < ARRAY_SIZE(infos); k++)
135 for (l = 0; l < ARRAY_SIZE(keyrings); l++)
137 types[i].type, types[i].str,
138 descs[j].desc, descs[j].str,
139 infos[k].info, infos[k].str,
143 puts("+++ exited with 0 +++");
150 SKIP_MAIN_UNDEFINED("__NR_request_key");