diff options
| -rw-r--r-- | include/libbb.h | 8 | ||||
| -rw-r--r-- | libbb/messages.c | 2 | ||||
| -rw-r--r-- | libbb/udp_io.c | 4 | ||||
| -rw-r--r-- | libbb/xconnect.c | 25 | ||||
| -rw-r--r-- | networking/arping.c | 2 | ||||
| -rw-r--r-- | networking/ftpd.c | 8 | ||||
| -rw-r--r-- | networking/httpd.c | 4 | ||||
| -rw-r--r-- | networking/nbd-client.c | 2 | ||||
| -rw-r--r-- | networking/nc_bloaty.c | 4 | ||||
| -rw-r--r-- | networking/ntpd.c | 6 | ||||
| -rw-r--r-- | networking/ping.c | 16 | ||||
| -rw-r--r-- | networking/telnet.c | 2 | ||||
| -rw-r--r-- | networking/telnetd.c | 2 | ||||
| -rw-r--r-- | networking/traceroute.c | 41 | ||||
| -rw-r--r-- | networking/udhcp/dhcpc.c | 4 | ||||
| -rw-r--r-- | util-linux/uevent.c | 6 |
16 files changed, 75 insertions, 61 deletions
diff --git a/include/libbb.h b/include/libbb.h index 136d4fd..2e20706 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -561,6 +561,11 @@ void xlisten(int s, int backlog) FAST_FUNC; void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen) FAST_FUNC; ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to, socklen_t tolen) FAST_FUNC; + +int setsockopt_int(int fd, int level, int optname, int optval) FAST_FUNC; +int setsockopt_1(int fd, int level, int optname) FAST_FUNC; +int setsockopt_SOL_SOCKET_int(int fd, int optname, int optval) FAST_FUNC; +int setsockopt_SOL_SOCKET_1(int fd, int optname) FAST_FUNC; /* SO_REUSEADDR allows a server to rebind to an address that is already * "in use" by old connections to e.g. previous server instance which is * killed or crashed. Without it bind will fail until all such connections @@ -568,6 +573,7 @@ ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to, * regardless of SO_REUSEADDR (unlike some other flavors of Unix). * Turn it on before you call bind(). */ void setsockopt_reuseaddr(int fd) FAST_FUNC; /* On Linux this never fails. */ +int setsockopt_keepalive(int fd) FAST_FUNC; int setsockopt_broadcast(int fd) FAST_FUNC; int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC; /* NB: returns port in host byte order */ @@ -1807,7 +1813,7 @@ extern const char bb_PATH_root_path[] ALIGN1; /* "PATH=/sbin:/usr/sbin:/bin:/usr #define bb_default_path (bb_PATH_root_path + sizeof("PATH=/sbin:/usr/sbin")) extern const int const_int_0; -extern const int const_int_1; +//extern const int const_int_1; /* Providing hard guarantee on minimum size (think of BUFSIZ == 128) */ diff --git a/libbb/messages.c b/libbb/messages.c index fad82c9..c1b7ba2 100644 --- a/libbb/messages.c +++ b/libbb/messages.c @@ -43,7 +43,7 @@ const char bb_PATH_root_path[] ALIGN1 = "PATH=/sbin:/usr/sbin:/bin:/usr/bin" BB_ADDITIONAL_PATH; -const int const_int_1 = 1; +//const int const_int_1 = 1; /* explicitly = 0, otherwise gcc may make it a common variable * and it will end up in bss */ const int const_int_0 = 0; diff --git a/libbb/udp_io.c b/libbb/udp_io.c index 7985a97..a32af9b 100644 --- a/libbb/udp_io.c +++ b/libbb/udp_io.c @@ -16,10 +16,10 @@ void FAST_FUNC socket_want_pktinfo(int fd UNUSED_PARAM) { #ifdef IP_PKTINFO - setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &const_int_1, sizeof(int)); + setsockopt_1(fd, IPPROTO_IP, IP_PKTINFO); #endif #if ENABLE_FEATURE_IPV6 && defined(IPV6_PKTINFO) - setsockopt(fd, IPPROTO_IPV6, IPV6_PKTINFO, &const_int_1, sizeof(int)); + setsockopt_1(fd, IPPROTO_IPV6, IPV6_PKTINFO); #endif } diff --git a/libbb/xconnect.c b/libbb/xconnect.c index 2a96e03..6e78e63 100644 --- a/libbb/xconnect.c +++ b/libbb/xconnect.c @@ -14,13 +14,34 @@ #include <sys/un.h> #include "libbb.h" +int FAST_FUNC setsockopt_int(int fd, int level, int optname, int optval) +{ + return setsockopt(fd, level, optname, &optval, sizeof(int)); +} +int FAST_FUNC setsockopt_1(int fd, int level, int optname) +{ + return setsockopt_int(fd, level, optname, 1); +} +int FAST_FUNC setsockopt_SOL_SOCKET_int(int fd, int optname, int optval) +{ + return setsockopt_int(fd, SOL_SOCKET, optname, optval); +} +int FAST_FUNC setsockopt_SOL_SOCKET_1(int fd, int optname) +{ + return setsockopt_SOL_SOCKET_int(fd, optname, 1); +} + void FAST_FUNC setsockopt_reuseaddr(int fd) { - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &const_int_1, sizeof(const_int_1)); + setsockopt_SOL_SOCKET_1(fd, SO_REUSEADDR); } int FAST_FUNC setsockopt_broadcast(int fd) { - return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &const_int_1, sizeof(const_int_1)); + return setsockopt_SOL_SOCKET_1(fd, SO_BROADCAST); +} +int FAST_FUNC setsockopt_keepalive(int fd) +{ + return setsockopt_SOL_SOCKET_1(fd, SO_KEEPALIVE); } #ifdef SO_BINDTODEVICE diff --git a/networking/arping.c b/networking/arping.c index 9ac4a7c..ce7fa29 100644 --- a/networking/arping.c +++ b/networking/arping.c @@ -357,7 +357,7 @@ int arping_main(int argc UNUSED_PARAM, char **argv) saddr.sin_port = htons(1025); saddr.sin_addr = dst; - if (setsockopt(probe_fd, SOL_SOCKET, SO_DONTROUTE, &const_int_1, sizeof(const_int_1)) == -1) + if (setsockopt_SOL_SOCKET_1(probe_fd, SO_DONTROUTE) != 0) bb_perror_msg("setsockopt(%s)", "SO_DONTROUTE"); xconnect(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr)); getsockname(probe_fd, (struct sockaddr *) &saddr, &alen); diff --git a/networking/ftpd.c b/networking/ftpd.c index 2351d6d..7735b72 100644 --- a/networking/ftpd.c +++ b/networking/ftpd.c @@ -377,7 +377,7 @@ ftpdataio_get_pasv_fd(void) return remote_fd; } - setsockopt(remote_fd, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); + setsockopt_keepalive(remote_fd); return remote_fd; } @@ -1186,11 +1186,11 @@ int ftpd_main(int argc UNUSED_PARAM, char **argv) , SIG_IGN); /* Set up options on the command socket (do we need these all? why?) */ - setsockopt(STDIN_FILENO, IPPROTO_TCP, TCP_NODELAY, &const_int_1, sizeof(const_int_1)); - setsockopt(STDIN_FILENO, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); + setsockopt_1(STDIN_FILENO, IPPROTO_TCP, TCP_NODELAY); + setsockopt_keepalive(STDIN_FILENO); /* Telnet protocol over command link may send "urgent" data, * we prefer it to be received in the "normal" data stream: */ - setsockopt(STDIN_FILENO, SOL_SOCKET, SO_OOBINLINE, &const_int_1, sizeof(const_int_1)); + setsockopt_1(STDIN_FILENO, SOL_SOCKET, SO_OOBINLINE); WRITE_OK(FTP_GREET); signal(SIGALRM, timeout_handler); diff --git a/networking/httpd.c b/networking/httpd.c index 7a9065f..feaaa94 100644 --- a/networking/httpd.c +++ b/networking/httpd.c @@ -2352,7 +2352,7 @@ static void mini_httpd(int server_socket) continue; /* set the KEEPALIVE option to cull dead connections */ - setsockopt(n, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); + setsockopt_keepalive(n); if (fork() == 0) { /* child */ @@ -2395,7 +2395,7 @@ static void mini_httpd_nommu(int server_socket, int argc, char **argv) continue; /* set the KEEPALIVE option to cull dead connections */ - setsockopt(n, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); + setsockopt_keepalive(n); if (vfork() == 0) { /* child */ diff --git a/networking/nbd-client.c b/networking/nbd-client.c index cadda52..a601430 100644 --- a/networking/nbd-client.c +++ b/networking/nbd-client.c @@ -83,7 +83,7 @@ int nbdclient_main(int argc, char **argv) // Find and connect to server sock = create_and_connect_stream_or_die(host, xatou16(port)); - setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &const_int_1, sizeof(const_int_1)); + setsockopt_1(sock, IPPROTO_TCP, TCP_NODELAY); // Log on to the server xread(sock, &nbd_header, 8+8+8+4 + 124); diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c index b28d05f..471ae1a 100644 --- a/networking/nc_bloaty.c +++ b/networking/nc_bloaty.c @@ -863,8 +863,8 @@ int nc_main(int argc UNUSED_PARAM, char **argv) xbind(netfd, &ouraddr->u.sa, ouraddr->len); } #if 0 - setsockopt(netfd, SOL_SOCKET, SO_RCVBUF, &o_rcvbuf, sizeof o_rcvbuf); - setsockopt(netfd, SOL_SOCKET, SO_SNDBUF, &o_sndbuf, sizeof o_sndbuf); + setsockopt_SOL_SOCKET_int(netfd, SO_RCVBUF, o_rcvbuf); + setsockopt_SOL_SOCKET_int(netfd, SO_SNDBUF, o_sndbuf); #endif #ifdef BLOAT diff --git a/networking/ntpd.c b/networking/ntpd.c index b5120a7..9732c9b 100644 --- a/networking/ntpd.c +++ b/networking/ntpd.c @@ -405,8 +405,6 @@ struct globals { }; #define G (*ptr_to_globals) -static const int const_IPTOS_LOWDELAY = IPTOS_LOWDELAY; - #define VERB1 if (MAX_VERBOSE && G.verbose) #define VERB2 if (MAX_VERBOSE >= 2 && G.verbose >= 2) @@ -837,7 +835,7 @@ send_query_to_peer(peer_t *p) #if ENABLE_FEATURE_IPV6 if (family == AF_INET) #endif - setsockopt(fd, IPPROTO_IP, IP_TOS, &const_IPTOS_LOWDELAY, sizeof(const_IPTOS_LOWDELAY)); + setsockopt_int(fd, IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY); free(local_lsa); } @@ -2186,7 +2184,7 @@ static NOINLINE void ntp_init(char **argv) xfunc_die(); } socket_want_pktinfo(G_listen_fd); - setsockopt(G_listen_fd, IPPROTO_IP, IP_TOS, &const_IPTOS_LOWDELAY, sizeof(const_IPTOS_LOWDELAY)); + setsockopt_int(G_listen_fd, IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY); } #endif if (!(opts & OPT_n)) { diff --git a/networking/ping.c b/networking/ping.c index 20489a0..e1f9ebc 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -247,7 +247,7 @@ static void ping6(len_and_sockaddr *lsa) pkt->icmp6_type = ICMP6_ECHO_REQUEST; sockopt = offsetof(struct icmp6_hdr, icmp6_cksum); - setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt)); + setsockopt_int(pingsock, SOL_RAW, IPV6_CHECKSUM, sockopt); xsendto(pingsock, G.packet, DEFDATALEN + sizeof(struct icmp6_hdr), &lsa->u.sa, lsa->len); @@ -700,12 +700,12 @@ static void ping4(len_and_sockaddr *lsa) /* set recv buf (needed if we can get lots of responses: flood ping, * broadcast ping etc) */ sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */ - setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt)); + setsockopt_SOL_SOCKET_int(pingsock, SO_RCVBUF, sockopt); if (opt_ttl != 0) { - setsockopt(pingsock, IPPROTO_IP, IP_TTL, &opt_ttl, sizeof(opt_ttl)); + setsockopt_int(pingsock, IPPROTO_IP, IP_TTL, opt_ttl); /* above doesnt affect packets sent to bcast IP, so... */ - setsockopt(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, &opt_ttl, sizeof(opt_ttl)); + setsockopt_int(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, opt_ttl); } signal(SIGINT, print_stats_and_exit); @@ -766,15 +766,15 @@ static void ping6(len_and_sockaddr *lsa) /* set recv buf (needed if we can get lots of responses: flood ping, * broadcast ping etc) */ sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */ - setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt)); + setsockopt_SOL_SOCKET_int(pingsock, SO_RCVBUF, sockopt); sockopt = offsetof(struct icmp6_hdr, icmp6_cksum); - if (offsetof(struct icmp6_hdr, icmp6_cksum) != 2) + if (sockopt != 2) BUG_bad_offsetof_icmp6_cksum(); - setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt)); + setsockopt_int(pingsock, SOL_RAW, IPV6_CHECKSUM, sockopt); /* request ttl info to be returned in ancillary data */ - setsockopt(pingsock, SOL_IPV6, IPV6_HOPLIMIT, &const_int_1, sizeof(const_int_1)); + setsockopt_1(pingsock, SOL_IPV6, IPV6_HOPLIMIT); if (if_index) pingaddr.sin6.sin6_scope_id = if_index; diff --git a/networking/telnet.c b/networking/telnet.c index a255797..3bb6fb1 100644 --- a/networking/telnet.c +++ b/networking/telnet.c @@ -623,7 +623,7 @@ int telnet_main(int argc UNUSED_PARAM, char **argv) xmove_fd(create_and_connect_stream_or_die(host, port), netfd); - setsockopt(netfd, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); + setsockopt_keepalive(netfd); signal(SIGINT, record_signo); diff --git a/networking/telnetd.c b/networking/telnetd.c index 6aee958..25d05fe 100644 --- a/networking/telnetd.c +++ b/networking/telnetd.c @@ -265,7 +265,7 @@ make_new_session( close_on_exec_on(fd); /* SO_KEEPALIVE by popular demand */ - setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); + setsockopt_keepalive(sock); #if ENABLE_FEATURE_TELNETD_STANDALONE ts->sockfd_read = sock; ndelay_on(sock); diff --git a/networking/traceroute.c b/networking/traceroute.c index e41d89e..642110c 100644 --- a/networking/traceroute.c +++ b/networking/traceroute.c @@ -473,8 +473,8 @@ send_probe(int seq, int ttl) #if ENABLE_TRACEROUTE6 if (dest_lsa->u.sa.sa_family == AF_INET6) { - res = setsockopt(sndsock, SOL_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl)); - if (res < 0) + res = setsockopt_int(sndsock, SOL_IPV6, IPV6_UNICAST_HOPS, ttl); + if (res != 0) bb_perror_msg_and_die("setsockopt(%s) %d", "UNICAST_HOPS", ttl); out = outip; len = packlen; @@ -482,8 +482,8 @@ send_probe(int seq, int ttl) #endif { #if defined IP_TTL - res = setsockopt(sndsock, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl)); - if (res < 0) + res = setsockopt_int(sndsock, IPPROTO_IP, IP_TTL, ttl); + if (res != 0) bb_perror_msg_and_die("setsockopt(%s) %d", "TTL", ttl); #endif out = outicmp; @@ -902,13 +902,10 @@ common_traceroute_main(int op, char **argv) if (af == AF_INET6) { xmove_fd(xsocket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6), rcvsock); # ifdef IPV6_RECVPKTINFO - setsockopt(rcvsock, SOL_IPV6, IPV6_RECVPKTINFO, - &const_int_1, sizeof(const_int_1)); - setsockopt(rcvsock, SOL_IPV6, IPV6_2292PKTINFO, - &const_int_1, sizeof(const_int_1)); + setsockopt_1(rcvsock, SOL_IPV6, IPV6_RECVPKTINFO); + setsockopt_1(rcvsock, SOL_IPV6, IPV6_2292PKTINFO); # else - setsockopt(rcvsock, SOL_IPV6, IPV6_PKTINFO, - &const_int_1, sizeof(const_int_1)); + setsockopt_1(rcvsock, SOL_IPV6, IPV6_PKTINFO); # endif } else #endif @@ -918,17 +915,14 @@ common_traceroute_main(int op, char **argv) #if TRACEROUTE_SO_DEBUG if (op & OPT_DEBUG) - setsockopt(rcvsock, SOL_SOCKET, SO_DEBUG, - &const_int_1, sizeof(const_int_1)); + setsockopt_SOL_SOCKET_1(rcvsock, SO_DEBUG); #endif if (op & OPT_BYPASS_ROUTE) - setsockopt(rcvsock, SOL_SOCKET, SO_DONTROUTE, - &const_int_1, sizeof(const_int_1)); + setsockopt_SOL_SOCKET_1(rcvsock, SO_DONTROUTE); #if ENABLE_TRACEROUTE6 if (af == AF_INET6) { - static const int two = 2; - if (setsockopt(rcvsock, SOL_RAW, IPV6_CHECKSUM, &two, sizeof(two)) < 0) + if (setsockopt_int(rcvsock, SOL_RAW, IPV6_CHECKSUM, 2) != 0) bb_perror_msg_and_die("setsockopt(%s)", "IPV6_CHECKSUM"); xmove_fd(xsocket(af, SOCK_DGRAM, 0), sndsock); } else @@ -966,28 +960,25 @@ common_traceroute_main(int op, char **argv) } #ifdef SO_SNDBUF - if (setsockopt(sndsock, SOL_SOCKET, SO_SNDBUF, &packlen, sizeof(packlen)) < 0) { - bb_perror_msg_and_die("SO_SNDBUF"); + if (setsockopt_SOL_SOCKET_int(sndsock, SO_SNDBUF, packlen) != 0) { + bb_perror_msg_and_die("setsockopt(%s)", "SO_SNDBUF"); } #endif #ifdef IP_TOS - if ((op & OPT_TOS) && setsockopt(sndsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0) { + if ((op & OPT_TOS) && setsockopt_int(sndsock, IPPROTO_IP, IP_TOS, tos) != 0) { bb_perror_msg_and_die("setsockopt(%s) %d", "TOS", tos); } #endif #ifdef IP_DONTFRAG if (op & OPT_DONT_FRAGMNT) - setsockopt(sndsock, IPPROTO_IP, IP_DONTFRAG, - &const_int_1, sizeof(const_int_1)); + setsockopt_1(sndsock, IPPROTO_IP, IP_DONTFRAG); #endif #if TRACEROUTE_SO_DEBUG if (op & OPT_DEBUG) - setsockopt(sndsock, SOL_SOCKET, SO_DEBUG, - &const_int_1, sizeof(const_int_1)); + setsockopt_SOL_SOCKET_1(sndsock, SO_DEBUG); #endif if (op & OPT_BYPASS_ROUTE) - setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE, - &const_int_1, sizeof(const_int_1)); + setsockopt_SOL_SOCKET_1(sndsock, SO_DONTROUTE); outip = xzalloc(packlen); diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index 811a1a1..11f7b2d 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -1043,9 +1043,7 @@ static int udhcp_raw_socket(int ifindex) } #endif - if (setsockopt(fd, SOL_PACKET, PACKET_AUXDATA, - &const_int_1, sizeof(int)) < 0 - ) { + if (setsockopt_1(fd, SOL_PACKET, PACKET_AUXDATA) != 0) { if (errno != ENOPROTOOPT) log1("Can't set PACKET_AUXDATA on raw socket"); } diff --git a/util-linux/uevent.c b/util-linux/uevent.c index fb98b48..514a9e9 100644 --- a/util-linux/uevent.c +++ b/util-linux/uevent.c @@ -37,7 +37,7 @@ enum { #ifndef SO_RCVBUFFORCE #define SO_RCVBUFFORCE 33 #endif -static const int RCVBUF = 2 * 1024 * 1024; +enum { RCVBUF = 2 * 1024 * 1024 }; int uevent_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int uevent_main(int argc UNUSED_PARAM, char **argv) @@ -63,8 +63,8 @@ int uevent_main(int argc UNUSED_PARAM, char **argv) // find /sys -name uevent -exec sh -c 'echo add >"{}"' ';' // // SO_RCVBUFFORCE (root only) can go above net.core.rmem_max sysctl - setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &RCVBUF, sizeof(RCVBUF)); - setsockopt(fd, SOL_SOCKET, SO_RCVBUFFORCE, &RCVBUF, sizeof(RCVBUF)); + setsockopt_SOL_SOCKET_int(fd, SO_RCVBUF, RCVBUF); + setsockopt_SOL_SOCKET_int(fd, SO_RCVBUFFORCE, RCVBUF); if (0) { int z; socklen_t zl = sizeof(z); |