/* * Check decoding of sockaddr structures * * Copyright (c) 2016 Dmitry V. Levin * Copyright (c) 2016-2018 The strace developers. * 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 #include #include #include #include #include #include #include #include "netlink.h" #include #include #include #include #ifdef HAVE_BLUETOOTH_BLUETOOTH_H # include # include # include # include # include #endif static void check_un(void) { TAIL_ALLOC_OBJECT_VAR_PTR(struct sockaddr_un, un); un->sun_family = AF_UNIX; memset(un->sun_path, '0', sizeof(un->sun_path)); unsigned int len = sizeof(*un); int ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path), 0, len, ret); un->sun_path[1] = 0; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=\"%u\"}, %u)" " = %d EBADF (%m)\n", 0, len, ret); un->sun_path[0] = 0; un->sun_path[2] = 1; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=@\"\\0\\001%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path) - 3, 0, len, ret); un = ((void *) un) - 2; un->sun_family = AF_UNIX; memset(un->sun_path, '0', sizeof(un->sun_path)); len = sizeof(*un) + 2; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path), 0, len, ret); un->sun_path[0] = 0; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=@\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path) - 1, 0, len, ret); un = ((void *) un) + 4; un->sun_family = AF_UNIX; len = sizeof(*un) - 2; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path) - 2, 0, len, ret); un->sun_path[0] = 0; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=@\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path) - 3, 0, len, ret); len = sizeof(*un); ret = connect(-1, (void *) un, len); printf("connect(-1, %p, %u) = %d EBADF (%m)\n", un, len, ret); un = tail_alloc(sizeof(struct sockaddr_storage)); un->sun_family = AF_UNIX; memset(un->sun_path, '0', sizeof(un->sun_path)); len = sizeof(struct sockaddr_storage) + 1; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path), 0, len, ret); un->sun_path[0] = 0; ret = connect(-1, (void *) un, len); printf("connect(-1, {sa_family=AF_UNIX, sun_path=@\"%.*u\"}" ", %u) = %d EBADF (%m)\n", (int) sizeof(un->sun_path) - 1, 0, len, ret); } static void check_in(void) { const unsigned short h_port = 12345; static const char h_addr[] = "12.34.56.78"; TAIL_ALLOC_OBJECT_VAR_PTR(struct sockaddr_in, in); in->sin_family = AF_INET; in->sin_port = htons(h_port); in->sin_addr.s_addr = inet_addr(h_addr); unsigned int len = sizeof(*in); int ret = connect(-1, (void *) in, len); printf("connect(-1, {sa_family=AF_INET, sin_port=htons(%hu)" ", sin_addr=inet_addr(\"%s\")}, %u) = %d EBADF (%m)\n", h_port, h_addr, len, ret); in = ((void *) in) - 4; in->sin_family = AF_INET; in->sin_port = htons(h_port); in->sin_addr.s_addr = inet_addr(h_addr); len = sizeof(*in) + 4; ret = connect(-1, (void *) in, len); printf("connect(-1, {sa_family=AF_INET, sin_port=htons(%hu)" ", sin_addr=inet_addr(\"%s\")}, %u) = %d EBADF (%m)\n", h_port, h_addr, len, ret); in = ((void *) in) + 8; in->sin_family = AF_INET; in->sin_port = 0; in->sin_addr.s_addr = 0; len = sizeof(*in) - 4; ret = connect(-1, (void *) in, len); printf("connect(-1, {sa_family=AF_INET, sa_data=\"%s\"}, %u)" " = %d EBADF (%m)\n", "\\0\\0\\0\\0\\0\\0\\377\\377\\377\\377", len, ret); len = sizeof(*in); ret = connect(-1, (void *) in, len); printf("connect(-1, %p, %u) = %d EBADF (%m)\n", in, len, ret); } static void check_in6_linklocal(struct sockaddr_in6 *const in6, const char *const h_addr) { inet_pton(AF_INET6, h_addr, &in6->sin6_addr); in6->sin6_scope_id = 0xfacefeed; unsigned int len = sizeof(*in6); int ret = connect(-1, (void *) in6, len); printf("connect(-1, {sa_family=AF_INET6, sin6_port=htons(%hu)" ", inet_pton(AF_INET6, \"%s\", &sin6_addr)" ", sin6_flowinfo=htonl(%u)" ", sin6_scope_id=%u}, %u)" " = %d EBADF (%m)\n", ntohs(in6->sin6_port), h_addr, ntohl(in6->sin6_flowinfo), in6->sin6_scope_id, len, ret); in6->sin6_scope_id = ifindex_lo(); if (in6->sin6_scope_id) { ret = connect(-1, (void *) in6, len); printf("connect(-1, {sa_family=AF_INET6, sin6_port=htons(%hu)" ", inet_pton(AF_INET6, \"%s\", &sin6_addr)" ", sin6_flowinfo=htonl(%u)" ", sin6_scope_id=%s}, %u)" " = %d EBADF (%m)\n", ntohs(in6->sin6_port), h_addr, ntohl(in6->sin6_flowinfo), IFINDEX_LO_STR, len, ret); } } static void check_in6(void) { const unsigned short h_port = 12345; const unsigned int h_flowinfo = 1234567890; static const char h_addr[] = "12:34:56:78:90:ab:cd:ef"; TAIL_ALLOC_OBJECT_VAR_PTR(struct sockaddr_in6, in6); in6->sin6_family = AF_INET6; in6->sin6_port = htons(h_port); in6->sin6_flowinfo = htonl(h_flowinfo); inet_pton(AF_INET6, h_addr, &in6->sin6_addr); in6->sin6_scope_id = 0xfacefeed; unsigned int len = sizeof(*in6); int ret = connect(-1, (void *) in6, len); printf("connect(-1, {sa_family=AF_INET6, sin6_port=htons(%hu)" ", inet_pton(AF_INET6, \"%s\", &sin6_addr)" ", sin6_flowinfo=htonl(%u), sin6_scope_id=%u}, %u)" " = %d EBADF (%m)\n", h_port, h_addr, h_flowinfo, in6->sin6_scope_id, len, ret); check_in6_linklocal(in6, "fe80::"); check_in6_linklocal(in6, "ff42::"); in6 = ((void *) in6) - 4; in6->sin6_family = AF_INET6; in6->sin6_port = htons(h_port); in6->sin6_flowinfo = htonl(h_flowinfo); inet_pton(AF_INET6, h_addr, &in6->sin6_addr); in6->sin6_scope_id = 0xfacefeed; len = sizeof(*in6) + 4; ret = connect(-1, (void *) in6, len); printf("connect(-1, {sa_family=AF_INET6, sin6_port=htons(%hu)" ", inet_pton(AF_INET6, \"%s\", &sin6_addr)" ", sin6_flowinfo=htonl(%u), sin6_scope_id=%u}, %u)" " = %d EBADF (%m)\n", h_port, h_addr, h_flowinfo, in6->sin6_scope_id, len, ret); in6 = ((void *) in6) + 4 + sizeof(in6->sin6_scope_id); in6->sin6_family = AF_INET6; in6->sin6_port = htons(h_port); in6->sin6_flowinfo = htonl(h_flowinfo); inet_pton(AF_INET6, h_addr, &in6->sin6_addr); len = sizeof(*in6) - sizeof(in6->sin6_scope_id); ret = connect(-1, (void *) in6, len); printf("connect(-1, {sa_family=AF_INET6, sin6_port=htons(%hu)" ", inet_pton(AF_INET6, \"%s\", &sin6_addr)" ", sin6_flowinfo=htonl(%u)}, %u)" " = %d EBADF (%m)\n", h_port, h_addr, h_flowinfo, len, ret); in6 = ((void *) in6) + 4; in6->sin6_family = AF_INET6; in6->sin6_port = 0; in6->sin6_flowinfo = 0; memset(&in6->sin6_addr, '0', sizeof(in6->sin6_addr) - 4); len = sizeof(*in6) - sizeof(in6->sin6_scope_id) - 4; ret = connect(-1, (void *) in6, len); printf("connect(-1, {sa_family=AF_INET6" ", sa_data=\"\\0\\0\\0\\0\\0\\000%.*u\"}, %u)" " = %d EBADF (%m)\n", (int) (len - offsetof(struct sockaddr_in6, sin6_addr)), 0, len, ret); len = sizeof(*in6) - sizeof(in6->sin6_scope_id); ret = connect(-1, (void *) in6, len); printf("connect(-1, %p, %u) = %d EBADF (%m)\n", in6, len, ret); } static void check_ipx(void) { const unsigned short h_port = 12345; const unsigned int h_network = 0xfacefeed; struct sockaddr_ipx c_ipx = { .sipx_family = AF_IPX, .sipx_port = htons(h_port), .sipx_network = htonl(h_network), .sipx_node = "ABCDEF", .sipx_type = -1 }; void *ipx = tail_memdup(&c_ipx, sizeof(c_ipx)); unsigned int len = sizeof(c_ipx); int ret = connect(-1, ipx, len); printf("connect(-1, {sa_family=AF_IPX, sipx_port=htons(%u)" ", sipx_network=htonl(%#x)" ", sipx_node=[%#02x, %#02x, %#02x, %#02x, %#02x, %#02x]" ", sipx_type=%#02x}, %u) = %d EBADF (%m)\n", h_port, h_network, c_ipx.sipx_node[0], c_ipx.sipx_node[1], c_ipx.sipx_node[2], c_ipx.sipx_node[3], c_ipx.sipx_node[4], c_ipx.sipx_node[5], c_ipx.sipx_type, len, ret); } static void check_nl(void) { TAIL_ALLOC_OBJECT_VAR_PTR(struct sockaddr_nl, nl); nl->nl_family = AF_NETLINK; nl->nl_pid = 1234567890; nl->nl_groups = 0xfacefeed; unsigned int len = sizeof(*nl); int ret = connect(-1, (void *) nl, len); printf("connect(-1, {sa_family=AF_NETLINK, nl_pid=%d" ", nl_groups=%#08x}, %u) = %d EBADF (%m)\n", nl->nl_pid, nl->nl_groups, len, ret); nl = ((void *) nl) - 4; nl->nl_family = AF_NETLINK; nl->nl_pid = 1234567890; nl->nl_groups = 0xfacefeed; len = sizeof(*nl) + 4; ret = connect(-1, (void *) nl, len); printf("connect(-1, {sa_family=AF_NETLINK, nl_pid=%d" ", nl_groups=%#08x}, %u) = %d EBADF (%m)\n", nl->nl_pid, nl->nl_groups, len, ret); } static void check_ll(void) { struct sockaddr_ll c_ll = { .sll_family = AF_PACKET, .sll_protocol = htons(ETH_P_ALL), .sll_ifindex = 0xfacefeed, .sll_hatype = ARPHRD_ETHER, .sll_pkttype = PACKET_HOST, .sll_halen = sizeof(c_ll.sll_addr), .sll_addr = "abcdefgh" }; void *ll = tail_memdup(&c_ll, sizeof(c_ll)); unsigned int len = sizeof(c_ll); int ret = connect(-1, ll, len); printf("connect(-1, {sa_family=AF_PACKET" ", sll_protocol=htons(ETH_P_ALL)" ", sll_ifindex=%u, sll_hatype=ARPHRD_ETHER" ", sll_pkttype=PACKET_HOST, sll_halen=%u, sll_addr=" "[%#02x, %#02x, %#02x, %#02x, %#02x, %#02x, %#02x, %#02x]" "}, %u) = %d EBADF (%m)\n", c_ll.sll_ifindex, c_ll.sll_halen, c_ll.sll_addr[0], c_ll.sll_addr[1], c_ll.sll_addr[2], c_ll.sll_addr[3], c_ll.sll_addr[4], c_ll.sll_addr[5], c_ll.sll_addr[6], c_ll.sll_addr[7], len, ret); ((struct sockaddr_ll *) ll)->sll_halen++; ret = connect(-1, ll, len); printf("connect(-1, {sa_family=AF_PACKET" ", sll_protocol=htons(ETH_P_ALL)" ", sll_ifindex=%u, sll_hatype=ARPHRD_ETHER" ", sll_pkttype=PACKET_HOST, sll_halen=%u, sll_addr=" "[%#02x, %#02x, %#02x, %#02x, %#02x, %#02x, %#02x, %#02x, ...]" "}, %u) = %d EBADF (%m)\n", c_ll.sll_ifindex, c_ll.sll_halen + 1, c_ll.sll_addr[0], c_ll.sll_addr[1], c_ll.sll_addr[2], c_ll.sll_addr[3], c_ll.sll_addr[4], c_ll.sll_addr[5], c_ll.sll_addr[6], c_ll.sll_addr[7], len, ret); ((struct sockaddr_ll *) ll)->sll_halen = 0; ret = connect(-1, ll, len); printf("connect(-1, {sa_family=AF_PACKET" ", sll_protocol=htons(ETH_P_ALL)" ", sll_ifindex=%u, sll_hatype=ARPHRD_ETHER" ", sll_pkttype=PACKET_HOST, sll_halen=0}, %u)" " = %d EBADF (%m)\n", c_ll.sll_ifindex, len, ret); ((struct sockaddr_ll *) ll)->sll_ifindex = ifindex_lo(); if (((struct sockaddr_ll *) ll)->sll_ifindex) { ret = connect(-1, ll, len); printf("connect(-1, {sa_family=AF_PACKET" ", sll_protocol=htons(ETH_P_ALL)" ", sll_ifindex=%s" ", sll_hatype=ARPHRD_ETHER" ", sll_pkttype=PACKET_HOST, sll_halen=0}, %u)" " = %d EBADF (%m)\n", IFINDEX_LO_STR, len, ret); } } #ifdef HAVE_BLUETOOTH_BLUETOOTH_H static void check_hci(void) { const unsigned short h_port = 12345; TAIL_ALLOC_OBJECT_VAR_PTR(struct sockaddr_hci, hci); hci->hci_family = AF_BLUETOOTH; hci->hci_dev = htobs(h_port); hci->hci_channel = HCI_CHANNEL_RAW; unsigned int len = sizeof(*hci); int ret = connect(-1, (void *) hci, len); printf("connect(-1, {sa_family=AF_BLUETOOTH, hci_dev=htobs(%hu)" ", hci_channel=HCI_CHANNEL_RAW}, %u) = %d EBADF (%m)\n", h_port, len, ret); } static void check_sco(void) { const struct sockaddr_sco c_sco = { .sco_family = AF_BLUETOOTH, .sco_bdaddr.b = "abcdef" }; void *sco = tail_memdup(&c_sco, sizeof(c_sco)); unsigned int len = sizeof(c_sco); int ret = connect(-1, sco, len); printf("connect(-1, {sa_family=AF_BLUETOOTH" ", sco_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x" "}, %u) = %d EBADF (%m)\n", c_sco.sco_bdaddr.b[0], c_sco.sco_bdaddr.b[1], c_sco.sco_bdaddr.b[2], c_sco.sco_bdaddr.b[3], c_sco.sco_bdaddr.b[4], c_sco.sco_bdaddr.b[5], len, ret); } static void check_rc(void) { const struct sockaddr_rc c_rc = { .rc_family = AF_BLUETOOTH, .rc_bdaddr.b = "abcdef", .rc_channel = 42 }; void *rc = tail_memdup(&c_rc, sizeof(c_rc)); unsigned int len = sizeof(c_rc); int ret = connect(-1, rc, len); printf("connect(-1, {sa_family=AF_BLUETOOTH" ", rc_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x" ", rc_channel=%u}, %u) = %d EBADF (%m)\n", c_rc.rc_bdaddr.b[0], c_rc.rc_bdaddr.b[1], c_rc.rc_bdaddr.b[2], c_rc.rc_bdaddr.b[3], c_rc.rc_bdaddr.b[4], c_rc.rc_bdaddr.b[5], c_rc.rc_channel, len, ret); } static void check_l2(void) { const unsigned short h_psm = 12345; const unsigned short h_cid = 13579; struct sockaddr_l2 c_l2 = { .l2_family = AF_BLUETOOTH, .l2_psm = htobs(h_psm), .l2_bdaddr.b = "abcdef", .l2_cid = htobs(h_cid), #ifdef HAVE_STRUCT_SOCKADDR_L2_L2_BDADDR_TYPE .l2_bdaddr_type = 0xce, #endif }; void *l2 = tail_memdup(&c_l2, sizeof(c_l2)); unsigned int len = sizeof(c_l2); int ret = connect(-1, l2, len); printf("connect(-1, {sa_family=AF_BLUETOOTH" ", l2_psm=htobs(L2CAP_PSM_DYN_START + %hu)" ", l2_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x" ", l2_cid=htobs(L2CAP_CID_DYN_START + %hu)" #ifdef HAVE_STRUCT_SOCKADDR_L2_L2_BDADDR_TYPE ", l2_bdaddr_type=0xce /* BDADDR_??? */" #endif "}, %u) = %d EBADF (%m)\n", (short) (h_psm - 0x1001), c_l2.l2_bdaddr.b[0], c_l2.l2_bdaddr.b[1], c_l2.l2_bdaddr.b[2], c_l2.l2_bdaddr.b[3], c_l2.l2_bdaddr.b[4], c_l2.l2_bdaddr.b[5], (short) (h_cid - 0x40), len, ret); c_l2.l2_psm = htobs(1); c_l2.l2_cid = htobs(1); #ifdef HAVE_STRUCT_SOCKADDR_L2_L2_BDADDR_TYPE c_l2.l2_bdaddr_type = BDADDR_LE_RANDOM; #endif memcpy(l2, &c_l2, sizeof(c_l2)); ret = connect(-1, l2, len); printf("connect(-1, {sa_family=AF_BLUETOOTH" ", l2_psm=htobs(L2CAP_PSM_SDP)" ", l2_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x" ", l2_cid=htobs(L2CAP_CID_SIGNALING)" #ifdef HAVE_STRUCT_SOCKADDR_L2_L2_BDADDR_TYPE ", l2_bdaddr_type=BDADDR_LE_RANDOM" #endif "}, %u) = %d EBADF (%m)\n", c_l2.l2_bdaddr.b[0], c_l2.l2_bdaddr.b[1], c_l2.l2_bdaddr.b[2], c_l2.l2_bdaddr.b[3], c_l2.l2_bdaddr.b[4], c_l2.l2_bdaddr.b[5], len, ret); c_l2.l2_psm = htobs(0xbad); c_l2.l2_cid = htobs(8); #ifdef HAVE_STRUCT_SOCKADDR_L2_L2_BDADDR_TYPE c_l2.l2_bdaddr_type = 3; #endif memcpy(l2, &c_l2, sizeof(c_l2)); ret = connect(-1, l2, len); printf("connect(-1, {sa_family=AF_BLUETOOTH" ", l2_psm=htobs(0xbad /* L2CAP_PSM_??? */)" ", l2_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x" ", l2_cid=htobs(0x8 /* L2CAP_CID_??? */)" #ifdef HAVE_STRUCT_SOCKADDR_L2_L2_BDADDR_TYPE ", l2_bdaddr_type=0x3 /* BDADDR_??? */" #endif "}, %u) = %d EBADF (%m)\n", c_l2.l2_bdaddr.b[0], c_l2.l2_bdaddr.b[1], c_l2.l2_bdaddr.b[2], c_l2.l2_bdaddr.b[3], c_l2.l2_bdaddr.b[4], c_l2.l2_bdaddr.b[5], len, ret); c_l2.l2_psm = htobs(0x10ff); c_l2.l2_cid = htobs(0xffff); memcpy(l2, &c_l2, 12); ret = connect(-1, l2, 12); printf("connect(-1, {sa_family=AF_BLUETOOTH" ", l2_psm=htobs(L2CAP_PSM_AUTO_END)" ", l2_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x" ", l2_cid=htobs(L2CAP_CID_DYN_END)" "}, 12) = %d EBADF (%m)\n", c_l2.l2_bdaddr.b[0], c_l2.l2_bdaddr.b[1], c_l2.l2_bdaddr.b[2], c_l2.l2_bdaddr.b[3], c_l2.l2_bdaddr.b[4], c_l2.l2_bdaddr.b[5], ret); } #endif static void check_raw(void) { union { struct sockaddr *sa; struct sockaddr_storage *st; } u = { .st = tail_alloc(sizeof(*u.st)) }; memset(u.st, '0', sizeof(*u.st)); u.sa->sa_family = 0xff; unsigned int len = sizeof(*u.st) + 8; int ret = connect(-1, (void *) u.st, len); printf("connect(-1, {sa_family=%#x /* AF_??? */, sa_data=\"%.*u\"}" ", %u) = %d EBADF (%m)\n", u.sa->sa_family, (int) (sizeof(*u.st) - sizeof(u.sa->sa_family)), 0, len, ret); u.sa->sa_family = 0; len = sizeof(u.sa->sa_family) + 1; ret = connect(-1, (void *) u.st, len); printf("connect(-1, {sa_family=AF_UNSPEC, sa_data=\"0\"}, %u)" " = %d EBADF (%m)\n", len, ret); u.sa->sa_family = AF_BLUETOOTH; ++len; ret = connect(-1, (void *) u.st, len); printf("connect(-1, {sa_family=AF_BLUETOOTH, sa_data=\"00\"}, %u)" " = %d EBADF (%m)\n", len, ret); } int main(void) { check_un(); check_in(); check_in6(); check_ipx(); check_nl(); check_ll(); #ifdef HAVE_BLUETOOTH_BLUETOOTH_H check_hci(); check_sco(); check_rc(); check_l2(); #endif check_raw(); puts("+++ exited with 0 +++"); return 0; }