/* * Check decoding of keyctl syscall. * * Copyright (c) 2016 Eugene Syromyatnikov * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "tests.h" #include #ifdef __NR_keyctl # include # include # include # include # include # include # include # include # include # include # include /* This check should be before #include "xlat/keyctl_commands.h" */ # ifndef KEYCTL_DH_COMPUTE struct keyctl_dh_params { int32_t private; int32_t prime; int32_t base; }; # endif # include "xlat.h" # include "xlat/keyctl_commands.h" # ifndef KEY_SPEC_REQKEY_AUTH_KEY # define KEY_SPEC_REQKEY_AUTH_KEY -7 # endif # ifndef KEY_SPEC_REQUESTOR_KEYRING # define KEY_SPEC_REQUESTOR_KEYRING -8 # endif static const size_t limit = 10; /* * Well, this is true for DESCRIBE and GET_SECURITY, and false for READ and * DH_COMPUTE and I see no ability to pass this information without * significantly breaking interface. */ bool nul_terminated_buf = true; bool buf_in_arg; /* * When this is called with positive size, the buffer provided is an "out" * argument and rc contains resulting size (globally defined nul_terminated_buf * controls whether it is nul-terminated or not). If size is negative, * it contains "in" argument. */ void print_quoted_string_limit(const char *str, size_t size, long rc) { size_t print_size = ((rc >= 0) && (size > 0)) ? ((unsigned long) rc > size ? size : (unsigned long) rc) : size; size_t limited_size = print_size > limit ? limit : print_size; if ((rc == -1) && !buf_in_arg) { printf("%p", str); return; } if (!nul_terminated_buf || (strnlen(str, limited_size) == limited_size)) { print_quoted_memory(str, limited_size); if (print_size > limit) printf("..."); } else print_quoted_string(str); } static void print_arg(kernel_ulong_t arg, const char *str, const char *fmt, size_t size, long rc) { if (size == (size_t) -1) size = 0; if (str) { printf("%s", str); } else { if (size == sizeof(uint64_t)) printf(fmt, (uint64_t)arg); else if (size == sizeof(uint32_t)) printf(fmt, (uint32_t)arg); else print_quoted_string_limit((void *) (uintptr_t) arg, size, rc); } } /* * Arguments are passed as sz, val, str, fmt. Arguments are read until 4 * arguments are retrieved or size of 0 is occurred. * * str == NULL && fmt == NULL && sz not in {4, 8} - print_quoted_string_limit is * used for argument printing. If sz is negative, in argument is assumed, out * otherwise. */ void do_keyctl(kernel_ulong_t cmd, const char *cmd_str, ...) { kernel_ulong_t args[4] = { (kernel_ulong_t) 0xdeadfee1badc0de5ULL, (kernel_ulong_t) 0xdeadfee2badc0de6ULL, (kernel_ulong_t) 0xdeadfee3badc0de7ULL, (kernel_ulong_t) 0xdeadfee4badc0de8ULL, }; const char *arg_str[4] = { NULL }; const char *arg_fmt[4] = { "%llu", "%llu", "%llu", "%llu" }; size_t arg_sz[4] = { sizeof(kernel_ulong_t), sizeof(kernel_ulong_t), sizeof(kernel_ulong_t), sizeof(kernel_ulong_t), }; unsigned i; unsigned cnt = 0; va_list ap; va_start(ap, cmd_str); do { arg_sz[cnt] = va_arg(ap, size_t); if (!arg_sz[cnt]) break; if (arg_sz[cnt] == sizeof(uint64_t)) args[cnt] = va_arg(ap, uint64_t); else if (arg_sz[cnt] == sizeof(uint32_t)) args[cnt] = va_arg(ap, uint32_t); else args[cnt] = (uintptr_t) va_arg(ap, void *); arg_str[cnt] = va_arg(ap, char *); arg_fmt[cnt] = va_arg(ap, char *); } while (++cnt < 4); long rc = syscall(__NR_keyctl, cmd, args[0], args[1], args[2], args[3]); const char *errstr = sprintrc(rc); printf("keyctl(%s", cmd_str); for (i = 0; i < cnt; i++) { printf(", "); print_arg(args[i], arg_str[i], arg_fmt[i], arg_sz[i], rc); } printf(") = %s\n", errstr); } int main(void) { enum { PR_LIMIT = 10, IOV_SIZE = 11, IOV_STR_SIZE = 4096 }; static const char *kulong_fmt = sizeof(kernel_ulong_t) == sizeof(uint64_t) ? "%#llx" : "%#x"; static const char *ksize_fmt = sizeof(kernel_ulong_t) == sizeof(uint64_t) ? "%llu" : "%u"; static const char *ptr_fmt = sizeof(void *) == sizeof(uint64_t) ? "%#llx" : "%#x"; static const char unterminated1[] = { '\1', '\2', '\3', '\4', '\5' }; static const char unterminated2[] = { '\6', '\7', '\10', '\11', '\12' }; static const char short_type_str[] = "shrt type"; static const char short_desc_str[] = "shrt desc"; static const char long_type_str[] = "overly long key type"; static const char long_desc_str[] = "overly long key description"; static const int32_t bogus_key1 = 0xdeadf00d; static const int32_t bogus_key2 = 0x1eefdead; static const kernel_ulong_t bogus_key3 = (kernel_ulong_t) 0xdec0ded1dec0ded2ULL; static const char *bogus_key3_str = "-557785390"; static const struct keyctl_dh_params kcdhp_data = { KEY_SPEC_GROUP_KEYRING, 1234567890, 3141592653U }; static const char *kcdhp_str = "{private=KEY_SPEC_GROUP_KEYRING, " "prime=1234567890, base=-1153374643}"; char *bogus_str = tail_memdup(unterminated1, sizeof(unterminated1)); char *bogus_desc = tail_memdup(unterminated2, sizeof(unterminated2)); char *short_type = tail_memdup(short_type_str, sizeof(short_type_str)); char *short_desc = tail_memdup(short_desc_str, sizeof(short_desc_str)); char *long_type = tail_memdup(long_type_str, sizeof(long_type_str)); char *long_desc = tail_memdup(long_desc_str, sizeof(long_desc_str)); char *kcdhp = tail_memdup(&kcdhp_data, sizeof(kcdhp_data)); struct iovec *key_iov = tail_alloc(sizeof(*key_iov) * IOV_SIZE); char *bogus_buf1 = tail_alloc(9); char *bogus_buf2 = tail_alloc(256); char *key_iov_str1; char *key_iov_str2 = tail_alloc(4096); ssize_t ret; ssize_t kis_size = 0; int i; key_iov[0].iov_base = short_type; key_iov[0].iov_len = sizeof(short_type_str); key_iov[1].iov_base = long_type; key_iov[1].iov_len = sizeof(long_type_str); key_iov[2].iov_base = short_desc; key_iov[2].iov_len = sizeof(short_desc_str); key_iov[3].iov_base = long_desc; key_iov[3].iov_len = sizeof(long_desc_str); key_iov[4].iov_base = bogus_str; key_iov[4].iov_len = 32; for (i = 5; i < IOV_SIZE; i++) { key_iov[i].iov_base = (void *) (uintptr_t) (0xfffffacefffff00dULL + 0x100000001ULL * i); key_iov[i].iov_len = (size_t) (0xcaffeeeddefaced7ULL + 0x100000001ULL * i); } ret = asprintf(&key_iov_str1, "[{iov_base=%p, iov_len=%zu}, " "{iov_base=%p, iov_len=%zu}, " "{iov_base=%p, iov_len=%zu}, " "{iov_base=%p, iov_len=%zu}]", key_iov[IOV_SIZE - 4].iov_base, key_iov[IOV_SIZE - 4].iov_len, key_iov[IOV_SIZE - 3].iov_base, key_iov[IOV_SIZE - 3].iov_len, key_iov[IOV_SIZE - 2].iov_base, key_iov[IOV_SIZE - 2].iov_len, key_iov[IOV_SIZE - 1].iov_base, key_iov[IOV_SIZE - 1].iov_len); if (ret < 0) error_msg_and_fail("asprintf"); ret = snprintf(key_iov_str2, IOV_STR_SIZE, "[{iov_base=\"%s\\0\", iov_len=%zu}, " "{iov_base=\"%.10s\"..., iov_len=%zu}, " "{iov_base=\"%s\\0\", iov_len=%zu}, " "{iov_base=\"%.10s\"..., iov_len=%zu}, ", (char *) key_iov[0].iov_base, key_iov[0].iov_len, (char *) key_iov[1].iov_base, key_iov[1].iov_len, (char *) key_iov[2].iov_base, key_iov[2].iov_len, (char *) key_iov[3].iov_base, key_iov[3].iov_len); if ((ret < 0) || (ret >= IOV_STR_SIZE)) error_msg_and_fail("snprintf"); for (i = 4; i < PR_LIMIT; i++) { kis_size += ret; ret = snprintf(key_iov_str2 + kis_size, IOV_STR_SIZE - kis_size, "{iov_base=%p, iov_len=%zu}, ", key_iov[i].iov_base, key_iov[i].iov_len); if ((ret < 0) || (ret >= (IOV_STR_SIZE - kis_size))) error_msg_and_fail("snprintf"); } kis_size += ret; snprintf(key_iov_str2 + kis_size, IOV_STR_SIZE - kis_size, "...]"); /* Invalid command */ do_keyctl((kernel_ulong_t) 0xbadc0dedfacefeedULL, "0xfacefeed /* KEYCTL_??? */", sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfee1badc0de5ULL, NULL, kulong_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfee2badc0de6ULL, NULL, kulong_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfee3badc0de7ULL, NULL, kulong_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfee4badc0de8ULL, NULL, kulong_fmt); /* GET_KEYRING_ID */ do_keyctl(ARG_STR(KEYCTL_GET_KEYRING_ID), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xbadc0dedffffffffLLU, "-1", NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_GET_KEYRING_ID), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), "%d", sizeof(int), 3141592653U, NULL, "%d", NULL, 0UL); /* KEYCTL_JOIN_SESSION_KEYRING */ do_keyctl(ARG_STR(KEYCTL_JOIN_SESSION_KEYRING), sizeof(char *), ARG_STR(NULL), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_JOIN_SESSION_KEYRING), sizeof(char *), (char *) 0xfffffacefffffeedULL, NULL, ptr_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_JOIN_SESSION_KEYRING), sizeof(char *), bogus_str, NULL, ptr_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_JOIN_SESSION_KEYRING), sizeof(char *), ARG_STR("bogus name"), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_JOIN_SESSION_KEYRING), sizeof(char *), "very long keyring name", "\"very long \"...", NULL, 0UL); /* KEYCTL_UPDATE */ buf_in_arg = true; do_keyctl(ARG_STR(KEYCTL_UPDATE), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(char *), ARG_STR(NULL), NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 0, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_UPDATE), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), (char *) 0xfffffacefffffeedULL, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfee4badc0de8ULL, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_UPDATE), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(char *), bogus_str, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfee4badc0de8ULL, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_UPDATE), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(short_desc_str), short_desc, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) sizeof(short_desc_str) - 1, NULL, ksize_fmt, 0UL); buf_in_arg = false; /* KEYCTL_REVOKE */ do_keyctl(ARG_STR(KEYCTL_REVOKE), sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_REVOKE), sizeof(int32_t), bogus_key1, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_REVOKE), sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_REVOKE), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_CHOWN */ do_keyctl(ARG_STR(KEYCTL_CHOWN), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(uid_t), ARG_STR(-1), NULL, sizeof(gid_t), ARG_STR(-1), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_CHOWN), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(uid_t), 2718281828U, NULL, "%u", sizeof(gid_t), 3141592653U, NULL, "%u", 0UL); /* KEYCTL_SETPERM */ do_keyctl(ARG_STR(KEYCTL_SETPERM), sizeof(int32_t), ARG_STR(KEY_SPEC_REQKEY_AUTH_KEY), NULL, sizeof(uint32_t), 0xffffffffU, "KEY_POS_VIEW|KEY_POS_READ|KEY_POS_WRITE|" "KEY_POS_SEARCH|KEY_POS_LINK|KEY_POS_SETATTR|" "KEY_USR_VIEW|KEY_USR_READ|KEY_USR_WRITE|" "KEY_USR_SEARCH|KEY_USR_LINK|KEY_USR_SETATTR|" "KEY_GRP_VIEW|KEY_GRP_READ|KEY_GRP_WRITE|" "KEY_GRP_SEARCH|KEY_GRP_LINK|KEY_GRP_SETATTR|" "KEY_OTH_VIEW|KEY_OTH_READ|KEY_OTH_WRITE|" "KEY_OTH_SEARCH|KEY_OTH_LINK|KEY_OTH_SETATTR|" "0xc0c0c0c0", NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_SETPERM), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(uint32_t), 0, NULL, "%#x", 0UL); do_keyctl(ARG_STR(KEYCTL_SETPERM), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(uint32_t), 0xc0c0c0c0, "0xc0c0c0c0 /* KEY_??? */", NULL, 0UL); /* KEYCTL_DESCRIBE */ do_keyctl(ARG_STR(KEYCTL_DESCRIBE), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DESCRIBE), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DESCRIBE), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) 9, (uintptr_t) bogus_buf1, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 9, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DESCRIBE), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) 256, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 256, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DESCRIBE), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) -4, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) -4, NULL, ksize_fmt, 0UL); /* KEYCTL_CLEAR */ do_keyctl(ARG_STR(KEYCTL_CLEAR), sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_CLEAR), sizeof(int32_t), bogus_key1, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_CLEAR), sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_CLEAR), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_LINK */ do_keyctl(ARG_STR(KEYCTL_LINK), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_LINK), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_LINK), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_UNLINK */ do_keyctl(ARG_STR(KEYCTL_UNLINK), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_UNLINK), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_UNLINK), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_SEARCH */ buf_in_arg = true; do_keyctl(ARG_STR(KEYCTL_SEARCH), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(char *), ARG_STR(NULL), NULL, sizeof(char *), ARG_STR(NULL), NULL, sizeof(int32_t), 0, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_SEARCH), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), (char *) 0xfffffacefffffeedULL, NULL, ptr_fmt, sizeof(char *), (char *) 0xfffff00dfffff157ULL, NULL, ptr_fmt, sizeof(int32_t), ARG_STR(KEY_SPEC_USER_SESSION_KEYRING), NULL); do_keyctl(ARG_STR(KEYCTL_SEARCH), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(char *), bogus_str, NULL, ptr_fmt, sizeof(char *), bogus_desc, NULL, ptr_fmt, sizeof(int32_t), bogus_key1, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_SEARCH), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(short_type_str), short_type, NULL, NULL, sizeof(short_desc_str), short_desc, NULL, NULL, sizeof(int32_t), bogus_key2, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_SEARCH), sizeof(int32_t), 0, NULL, "%d", sizeof(long_type_str), long_type, NULL, NULL, sizeof(long_type_str), long_desc, NULL, NULL, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL); /* KEYCTL_RESTRICT_KEYRING */ do_keyctl(ARG_STR(KEYCTL_RESTRICT_KEYRING), sizeof(int32_t), ARG_STR(KEY_SPEC_REQUESTOR_KEYRING), NULL, sizeof(char *), ARG_STR(NULL), NULL, sizeof(char *), ARG_STR(NULL), NULL, NULL); do_keyctl(ARG_STR(KEYCTL_RESTRICT_KEYRING), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), (char *) 0xfffffacefffffeedULL, NULL, ptr_fmt, sizeof(char *), (char *) 0xfffff00dfffff157ULL, NULL, ptr_fmt, NULL); do_keyctl(ARG_STR(KEYCTL_RESTRICT_KEYRING), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(char *), bogus_str, NULL, ptr_fmt, sizeof(char *), bogus_desc, NULL, ptr_fmt, NULL); do_keyctl(ARG_STR(KEYCTL_RESTRICT_KEYRING), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(short_type_str), short_type, NULL, NULL, sizeof(short_desc_str), short_desc, NULL, NULL, NULL); do_keyctl(ARG_STR(KEYCTL_RESTRICT_KEYRING), sizeof(int32_t), 0, NULL, "%d", sizeof(long_type_str), long_type, NULL, NULL, sizeof(long_type_str), long_desc, NULL, NULL, NULL); buf_in_arg = false; /* KEYCTL_READ */ nul_terminated_buf = false; /* Empty result is expected for these */ bogus_buf1[0] = '\377'; bogus_buf2[0] = '\377'; do_keyctl(ARG_STR(KEYCTL_READ), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_READ), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_READ), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) 9, (uintptr_t) bogus_buf1, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 9, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_READ), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) 256, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 256, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_READ), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) -4, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) -4, NULL, ksize_fmt, 0UL); nul_terminated_buf = true; /* KEYCTL_INSTANTIATE */ buf_in_arg = true; do_keyctl(ARG_STR(KEYCTL_INSTANTIATE), sizeof(int32_t), 0, NULL, "%d", sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, sizeof(int32_t), 0, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), (char *) 0xfffffacefffffeedULL, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfeedLLU, NULL, ksize_fmt, sizeof(int32_t), bogus_key1, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(char *), bogus_str, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 32LLU, NULL, ksize_fmt, sizeof(int32_t), bogus_key2, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(short_type_str), short_desc, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) sizeof(short_type_str) - 1, NULL, ksize_fmt, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE), sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, sizeof(long_type_str), long_desc, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) sizeof(long_type_str), NULL, ksize_fmt, sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL); buf_in_arg = false; /* KEYCTL_NEGATE */ do_keyctl(ARG_STR(KEYCTL_NEGATE), sizeof(int32_t), 0, NULL, "%d", sizeof(uint32_t), 0, NULL, "%u", sizeof(int32_t), 0, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_NEGATE), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(uint32_t), 3141592653U, NULL, "%u", sizeof(int32_t), bogus_key1, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_NEGATE), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, "3134983661", NULL, sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_NEGATE), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, "3134983661", NULL, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_SET_REQKEY_KEYRING */ do_keyctl(ARG_STR(KEYCTL_SET_REQKEY_KEYRING), sizeof(int32_t), ARG_STR(KEY_REQKEY_DEFL_NO_CHANGE), NULL, 0UL); /* * Keep it commented out until proper way of faking syscalls is not * implemented. */ /* do_keyctl(ARG_STR(KEYCTL_SET_REQKEY_KEYRING), sizeof(int32_t), ARG_STR(KEY_REQKEY_DEFL_REQUESTOR_KEYRING), NULL, 0UL); */ do_keyctl(ARG_STR(KEYCTL_SET_REQKEY_KEYRING), sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, "0xbadc0ded /* KEY_REQKEY_DEFL_??? */", NULL, 0UL); /* KEYCTL_SET_TIMEOUT */ do_keyctl(ARG_STR(KEYCTL_SET_TIMEOUT), sizeof(int32_t), 0, NULL, "%d", sizeof(uint32_t), 0, NULL, "%u", 0UL); do_keyctl(ARG_STR(KEYCTL_SET_TIMEOUT), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(uint32_t), 3141592653U, NULL, "%u", 0UL); do_keyctl(ARG_STR(KEYCTL_SET_TIMEOUT), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, "3134983661", NULL, 0UL); /* KEYCTL_ASSUME_AUTHORITY */ do_keyctl(ARG_STR(KEYCTL_ASSUME_AUTHORITY), sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_ASSUME_AUTHORITY), sizeof(int32_t), bogus_key1, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_ASSUME_AUTHORITY), sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_ASSUME_AUTHORITY), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_GET_SECURITY */ do_keyctl(ARG_STR(KEYCTL_GET_SECURITY), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(uint32_t), 0xbadc0dedU, NULL, "%u", 0UL); do_keyctl(ARG_STR(KEYCTL_GET_SECURITY), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_GET_SECURITY), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) 9, (uintptr_t) bogus_buf1, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 9, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_GET_SECURITY), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) 256, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 256, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_GET_SECURITY), sizeof(int32_t), ARG_STR(KEY_SPEC_THREAD_KEYRING), NULL, (size_t) -4, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) -4, NULL, ksize_fmt, 0UL); /* KEYCTL_SESSION_TO_PARENT */ do_keyctl(ARG_STR(KEYCTL_SESSION_TO_PARENT), 0UL); /* KEYCTL_REJECT */ do_keyctl(ARG_STR(KEYCTL_REJECT), sizeof(int32_t), 0, NULL, "%d", sizeof(uint32_t), 0, NULL, "%u", sizeof(uint32_t), 0, NULL, "%u", sizeof(int32_t), 0, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_REJECT), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(uint32_t), 3141592653U, NULL, "%u", sizeof(uint32_t), 2718281828U, NULL, "%u", sizeof(int32_t), bogus_key1, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_REJECT), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadca75facef157LLU, "4207866199", NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, "3134983661", NULL, sizeof(int32_t), bogus_key2, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_REJECT), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, "3134983661", NULL, sizeof(uint32_t), ARG_STR(ENODEV), NULL, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL); /* KEYCTL_INSTANTIATE_IOV */ do_keyctl(ARG_STR(KEYCTL_INSTANTIATE_IOV), sizeof(int32_t), 0, NULL, "%d", sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, sizeof(int32_t), 0, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE_IOV), sizeof(int32_t), bogus_key1, NULL, "%d", sizeof(char *), (char *) 0xfffffacefffffeedULL, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xdeadfeedLLU, NULL, ksize_fmt, sizeof(int32_t), bogus_key1, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE_IOV), sizeof(int32_t), bogus_key2, NULL, "%d", sizeof(char *), key_iov + IOV_SIZE, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 32LLU, NULL, ksize_fmt, sizeof(int32_t), bogus_key2, NULL, "%d"); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE_IOV), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, sizeof(key_iov), key_iov + IOV_SIZE - 4, key_iov_str1, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 4, NULL, ksize_fmt, sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL); do_keyctl(ARG_STR(KEYCTL_INSTANTIATE_IOV), sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, sizeof(key_iov), key_iov, key_iov_str2, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) IOV_SIZE, NULL, ksize_fmt, sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL); /* KEYCTL_INVALIDATE */ do_keyctl(ARG_STR(KEYCTL_INVALIDATE), sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_INVALIDATE), sizeof(int32_t), bogus_key1, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_INVALIDATE), sizeof(int32_t), bogus_key2, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_INVALIDATE), sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_GET_PERSISTENT */ do_keyctl(ARG_STR(KEYCTL_GET_PERSISTENT), sizeof(uid_t), ARG_STR(-1), NULL, sizeof(int32_t), ARG_STR(KEY_SPEC_GROUP_KEYRING), NULL, 0UL); do_keyctl(ARG_STR(KEYCTL_GET_PERSISTENT), sizeof(uid_t), 2718281828U, NULL, "%u", sizeof(int32_t), bogus_key1, NULL, "%d", 0UL); do_keyctl(ARG_STR(KEYCTL_GET_PERSISTENT), sizeof(uid_t), 2718281828U, NULL, "%u", sizeof(kernel_ulong_t), bogus_key3, bogus_key3_str, NULL, 0UL); /* KEYCTL_DH_COMPUTE */ nul_terminated_buf = false; /* Empty result is expected for these */ bogus_buf1[0] = '\377'; bogus_buf2[0] = '\377'; do_keyctl(ARG_STR(KEYCTL_DH_COMPUTE), sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(char *), ARG_STR(NULL), ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DH_COMPUTE), sizeof(char *), kcdhp + 1, NULL, ptr_fmt, sizeof(char *), (char *) 0xfffff157ffffdeadULL, NULL, ptr_fmt, sizeof(kernel_ulong_t), (kernel_ulong_t) 0xfeedf157badc0dedLLU, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DH_COMPUTE), sizeof(kcdhp), kcdhp, kcdhp_str, NULL, (size_t) 9, (uintptr_t) bogus_buf1, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 9, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DH_COMPUTE), sizeof(kcdhp), kcdhp, kcdhp_str, NULL, (size_t) 256, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) 256, NULL, ksize_fmt, 0UL); do_keyctl(ARG_STR(KEYCTL_DH_COMPUTE), sizeof(kcdhp), kcdhp, kcdhp_str, NULL, (size_t) -1, (uintptr_t) bogus_buf2, NULL, NULL, sizeof(kernel_ulong_t), (kernel_ulong_t) -1, NULL, ksize_fmt, 0UL); nul_terminated_buf = true; puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_keyctl"); #endif