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cleanups: unnecessary casts, unified const_1, eliminate cross-.c file

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prototypes (heresy!), add spaces in places like "flags&NETSTAT_CONNECTED",
removed unused #defines, #ifdef -> #if, use uint32_t for ipv4 addrs.
This commit is contained in:
Denis Vlasenko 2007-01-22 14:12:08 +00:00
parent 6cd2d2bcba
commit 703e20235a
17 changed files with 231 additions and 260 deletions
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6
include/libbb.h
View File

@ -486,6 +486,9 @@ extern void bb_vinfo_msg(const char *s, va_list p);
extern int bb_cat(char** argv);
extern int bb_echo(char** argv);
extern int bb_test(int argc, char** argv);
#if ENABLE_ROUTE
extern void bb_displayroutes(int noresolve, int netstatfmt);
#endif
/* Networking */
@ -740,6 +743,9 @@ extern const char bb_path_motd_file[];
extern const char bb_path_wtmp_file[];
extern const char bb_dev_null[];
extern const int const_int_0;
extern const int const_int_1;
#ifndef BUFSIZ
#define BUFSIZ 4096
#endif

39
libbb/inet_common.c
View File

@ -36,16 +36,20 @@ int INET_resolve(const char *name, struct sockaddr_in *s_in, int hostfirst)
bb_error_msg("gethostbyname(%s)", name);
}
#endif
if (hostfirst && (hp = gethostbyname(name)) != (struct hostent *) NULL) {
memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
if (hostfirst) {
hp = gethostbyname(name);
if (hp != NULL) {
memcpy(&s_in->sin_addr, hp->h_addr_list[0],
sizeof(struct in_addr));
return 0;
}
}
/* Try the NETWORKS database to see if this is a known network. */
#ifdef DEBUG
bb_error_msg("getnetbyname(%s)", name);
#endif
if ((np = getnetbyname(name)) != (struct netent *) NULL) {
np = getnetbyname(name);
if (np != NULL) {
s_in->sin_addr.s_addr = htonl(np->n_net);
return 1;
}
@ -61,12 +65,11 @@ int INET_resolve(const char *name, struct sockaddr_in *s_in, int hostfirst)
#ifdef DEBUG
bb_error_msg("gethostbyname(%s)", name);
#endif
if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
hp = gethostbyname(name);
if (hp == NULL) {
return -1;
}
memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
sizeof(struct in_addr));
memcpy(&s_in->sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
return 0;
}
@ -90,7 +93,7 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
struct hostent *ent;
struct netent *np;
struct addr *pn;
unsigned long ad, host_ad;
uint32_t ad, host_ad;
int host = 0;
/* Grmpf. -FvK */
@ -102,9 +105,9 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
errno = EAFNOSUPPORT;
return -1;
}
ad = (unsigned long) s_in->sin_addr.s_addr;
ad = s_in->sin_addr.s_addr;
#ifdef DEBUG
bb_error_msg("rresolve: %08lx, mask %08x, num %08x", ad, netmask, numeric);
bb_error_msg("rresolve: %08x, mask %08x, num %08x", (unsigned)ad, netmask, numeric);
#endif
if (ad == INADDR_ANY) {
if ((numeric & 0x0FFF) == 0) {
@ -127,8 +130,8 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
safe_strncpy(name, pn->name, len);
#ifdef DEBUG
bb_error_msg("rresolve: found %s %08lx in cache",
(host ? "host" : "net"), ad);
bb_error_msg("rresolve: found %s %08x in cache",
(host ? "host" : "net"), (unsigned)ad);
#endif
return 0;
}
@ -140,7 +143,7 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
ent = NULL;
if (host) {
#ifdef DEBUG
bb_error_msg("gethostbyaddr (%08lx)", ad);
bb_error_msg("gethostbyaddr (%08x)", (unsigned)ad);
#endif
ent = gethostbyaddr((char *) &ad, 4, AF_INET);
if (ent != NULL) {
@ -148,14 +151,14 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
}
} else {
#ifdef DEBUG
bb_error_msg("getnetbyaddr (%08lx)", host_ad);
bb_error_msg("getnetbyaddr (%08x)", (unsigned)host_ad);
#endif
np = getnetbyaddr(host_ad, AF_INET);
if (np != NULL) {
safe_strncpy(name, np->n_name, len);
}
}
if ((ent == NULL) && (np == NULL)) {
if (!ent && !np) {
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
}
pn = xmalloc(sizeof(struct addr));
@ -164,7 +167,6 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
pn->host = host;
pn->name = xstrdup(name);
INET_nn = pn;
return 0;
}
@ -183,9 +185,7 @@ int INET6_resolve(const char *name, struct sockaddr_in6 *sin6)
return -1;
}
memcpy(sin6, ai->ai_addr, sizeof(struct sockaddr_in6));
freeaddrinfo(ai);
return 0;
}
@ -224,7 +224,8 @@ int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6,
return 0;
}
s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6), name, len, NULL, 0, 0);
s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6),
name, len, NULL, 0, 0);
if (s) {
bb_error_msg("getnameinfo failed");
return -1;

4
libbb/lineedit.c
View File

@ -1254,8 +1254,6 @@ static void win_changed(int nsig)
int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *st)
{
static const int null_flags;
int lastWasTab = FALSE;
unsigned int ic;
unsigned char c;
@ -1270,7 +1268,7 @@ int read_line_input(const char* prompt, char* command, int maxsize, line_input_t
maxsize = BUFSIZ;
/* With null flags, no other fields are ever used */
state = st ? st : (line_input_t*) &null_flags;
state = st ? st : (line_input_t*) &const_int_0;
if (state->flags & SAVE_HISTORY)
load_history(state->hist_file);

3
libbb/messages.c
View File

@ -40,6 +40,9 @@ const char bb_path_motd_file[] = "/etc/motd";
const char bb_default_login_shell[] = LIBBB_DEFAULT_LOGIN_SHELL;
const char bb_dev_null[] = "/dev/null";
const int const_int_0;
const int const_int_1 = 1;
#include <utmp.h>
/* This is usually something like "/var/adm/wtmp" or "/var/log/wtmp" */
const char bb_path_wtmp_file[] =

5
libbb/xconnect.c
View File

@ -9,14 +9,13 @@
#include <netinet/in.h>
#include "libbb.h"
static const int one = 1;
int setsockopt_reuseaddr(int fd)
{
return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &const_int_1, sizeof(const_int_1));
}
int setsockopt_broadcast(int fd)
{
return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one));
return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &const_int_1, sizeof(const_int_1));
}
void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen)

2
modutils/insmod.c
View File

@ -337,7 +337,6 @@ extern int insmod_ng_main( int argc, char **argv);
#ifndef MODUTILS_MODULE_H
/* Why? static const int MODUTILS_MODULE_H = 1;*/
/*======================================================================*/
/* For sizeof() which are related to the module platform and not to the
@ -494,7 +493,6 @@ int delete_module(const char *);
#ifndef MODUTILS_OBJ_H
/* Why? static const int MODUTILS_OBJ_H = 1; */
/* The relocatable object is manipulated using elfin types. */

3
networking/arping.c
View File

@ -335,13 +335,12 @@ int arping_main(int argc, char **argv)
saddr.sin_addr = src;
xbind(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr));
} else if (!(cfg & dad)) {
static const int on = 1;
socklen_t alen = sizeof(saddr);
saddr.sin_port = htons(1025);
saddr.sin_addr = dst;
if (setsockopt(probe_fd, SOL_SOCKET, SO_DONTROUTE, (char *) &on, sizeof(on)) == -1)
if (setsockopt(probe_fd, SOL_SOCKET, SO_DONTROUTE, &const_int_1, sizeof(const_int_1)) == -1)
bb_perror_msg("warning: setsockopt(SO_DONTROUTE)");
xconnect(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr));
if (getsockname(probe_fd, (struct sockaddr *) &saddr, &alen) == -1) {

4
networking/httpd.c
View File

@ -1764,8 +1764,6 @@ static void handleIncoming(void)
****************************************************************************/
static int miniHttpd(int server)
{
static const int on = 1;
fd_set readfd, portfd;
FD_ZERO(&portfd);
@ -1812,7 +1810,7 @@ static int miniHttpd(int server)
#endif
/* set the KEEPALIVE option to cull dead connections */
setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof(on));
setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1));
if (DEBUG || fork() == 0) {
/* child */

7
networking/nc.c
View File

@ -91,8 +91,6 @@ int nc_main(int argc, char **argv)
if (!cfd) {
if (do_listen) {
socklen_t addrlen;
/* create_and_bind_stream_or_die(NULL, lport)
* would've work wonderfully, but we need
* to know lsa */
@ -105,15 +103,14 @@ int nc_main(int argc, char **argv)
/* If we didn't specify a port number,
* query and print it after listen() */
if (!lport) {
addrlen = lsa->len;
socklen_t addrlen = lsa->len;
getsockname(sfd, &lsa->sa, &addrlen);
lport = get_nport(lsa);
fdprintf(2, "%d\n", ntohs(lport));
}
fcntl(sfd, F_SETFD, FD_CLOEXEC);
accept_again:
addrlen = lsa->len;
cfd = accept(sfd, NULL, 0); /* &lsa->sa, &addrlen); */
cfd = accept(sfd, NULL, 0);
if (cfd < 0)
bb_perror_msg_and_die("accept");
if (!execparam)

82
networking/netstat.c
View File

@ -14,10 +14,6 @@
#include "busybox.h"
#include "inet_common.h"
#ifdef CONFIG_ROUTE
extern void displayroutes(int noresolve, int netstatfmt);
#endif
#define NETSTAT_CONNECTED 0x01
#define NETSTAT_LISTENING 0x02
#define NETSTAT_NUMERIC 0x04
@ -30,12 +26,6 @@ extern void displayroutes(int noresolve, int netstatfmt);
static int flags = NETSTAT_CONNECTED | NETSTAT_ALLPROTO;
#define PROGNAME_WIDTHs PROGNAME_WIDTH1(PROGNAME_WIDTH)
#define PROGNAME_WIDTH1(s) PROGNAME_WIDTH2(s)
#define PROGNAME_WIDTH2(s) #s
#define PRG_HASH_SIZE 211
enum {
TCP_ESTABLISHED = 1,
TCP_SYN_SENT,
@ -81,8 +71,7 @@ typedef enum {
static char *get_sname(int port, const char *proto, int num)
{
char *str = itoa(ntohs(port));
if (num) {
} else {
if (!num) {
struct servent *se = getservbyport(port, proto);
if (se)
str = se->s_name;
@ -97,7 +86,7 @@ static void snprint_ip_port(char *ip_port, int size, struct sockaddr *addr, int
{
char *port_name;
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
if (addr->sa_family == AF_INET6) {
INET6_rresolve(ip_port, size, (struct sockaddr_in6 *)addr,
(numeric & NETSTAT_NUMERIC) ? 0x0fff : 0);
@ -122,7 +111,7 @@ static void tcp_do_one(int lnr, const char *line)
const char *state_str;
char more[512];
int num, local_port, rem_port, d, state, timer_run, uid, timeout;
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 localaddr, remaddr;
char addr6[INET6_ADDRSTRLEN];
struct in6_addr in6;
@ -142,7 +131,7 @@ static void tcp_do_one(int lnr, const char *line)
&txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more);
if (strlen(local_addr) > 8) {
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
sscanf(local_addr, "%08X%08X%08X%08X",
&in6.s6_addr32[0], &in6.s6_addr32[1],
&in6.s6_addr32[2], &in6.s6_addr32[3]);
@ -170,9 +159,9 @@ static void tcp_do_one(int lnr, const char *line)
return;
}
state_str = tcp_state[state];
if ((rem_port && (flags&NETSTAT_CONNECTED)) ||
(!rem_port && (flags&NETSTAT_LISTENING)))
{
if ((rem_port && (flags & NETSTAT_CONNECTED))
|| (!rem_port && (flags & NETSTAT_LISTENING))
) {
snprint_ip_port(local_addr, sizeof(local_addr),
(struct sockaddr *) &localaddr, local_port,
"tcp", flags & NETSTAT_NUMERIC);
@ -183,7 +172,6 @@ static void tcp_do_one(int lnr, const char *line)
printf("tcp %6ld %6ld %-23s %-23s %-12s\n",
rxq, txq, local_addr, rem_addr, state_str);
}
}
@ -192,7 +180,7 @@ static void udp_do_one(int lnr, const char *line)
char local_addr[64], rem_addr[64];
char *state_str, more[512];
int num, local_port, rem_port, d, state, timer_run, uid, timeout;
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 localaddr, remaddr;
char addr6[INET6_ADDRSTRLEN];
struct in6_addr in6;
@ -212,7 +200,7 @@ static void udp_do_one(int lnr, const char *line)
&txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more);
if (strlen(local_addr) > 8) {
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
/* Demangle what the kernel gives us */
sscanf(local_addr, "%08X%08X%08X%08X",
&in6.s6_addr32[0], &in6.s6_addr32[1],
@ -254,7 +242,7 @@ static void udp_do_one(int lnr, const char *line)
break;
}
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
# define notnull(A) (((A.sin6_family == AF_INET6) && \
((A.sin6_addr.s6_addr32[0]) || \
(A.sin6_addr.s6_addr32[1]) || \
@ -265,9 +253,9 @@ static void udp_do_one(int lnr, const char *line)
#else
# define notnull(A) (A.sin_addr.s_addr)
#endif
if ((notnull(remaddr) && (flags&NETSTAT_CONNECTED)) ||
(!notnull(remaddr) && (flags&NETSTAT_LISTENING)))
{
if ((notnull(remaddr) && (flags & NETSTAT_CONNECTED))
|| (!notnull(remaddr) && (flags & NETSTAT_LISTENING))
) {
snprint_ip_port(local_addr, sizeof(local_addr),
(struct sockaddr *) &localaddr, local_port,
"udp", flags & NETSTAT_NUMERIC);
@ -278,7 +266,6 @@ static void udp_do_one(int lnr, const char *line)
printf("udp %6ld %6ld %-23s %-23s %-12s\n",
rxq, txq, local_addr, rem_addr, state_str);
}
}
@ -287,7 +274,7 @@ static void raw_do_one(int lnr, const char *line)
char local_addr[64], rem_addr[64];
char *state_str, more[512];
int num, local_port, rem_port, d, state, timer_run, uid, timeout;
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 localaddr, remaddr;
char addr6[INET6_ADDRSTRLEN];
struct in6_addr in6;
@ -307,7 +294,7 @@ static void raw_do_one(int lnr, const char *line)
&txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more);
if (strlen(local_addr) > 8) {
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
sscanf(local_addr, "%08X%08X%08X%08X",
&in6.s6_addr32[0], &in6.s6_addr32[1],
&in6.s6_addr32[2], &in6.s6_addr32[3]);
@ -336,7 +323,7 @@ static void raw_do_one(int lnr, const char *line)
}
state_str = itoa(state);
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
# define notnull(A) (((A.sin6_family == AF_INET6) && \
((A.sin6_addr.s6_addr32[0]) || \
(A.sin6_addr.s6_addr32[1]) || \
@ -347,9 +334,9 @@ static void raw_do_one(int lnr, const char *line)
#else
# define notnull(A) (A.sin_addr.s_addr)
#endif
if ((notnull(remaddr) && (flags&NETSTAT_CONNECTED)) ||
(!notnull(remaddr) && (flags&NETSTAT_LISTENING)))
{
if ((notnull(remaddr) && (flags & NETSTAT_CONNECTED))
|| (!notnull(remaddr) && (flags & NETSTAT_LISTENING))
) {
snprint_ip_port(local_addr, sizeof(local_addr),
(struct sockaddr *) &localaddr, local_port,
"raw", flags & NETSTAT_NUMERIC);
@ -360,7 +347,6 @@ static void raw_do_one(int lnr, const char *line)
printf("raw %6ld %6ld %-23s %-23s %-12s\n",
rxq, txq, local_addr, rem_addr, state_str);
}
}
@ -502,11 +488,12 @@ static void do_info(const char *file, const char *name, void (*proc)(int, const
procinfo = fopen(file, "r");
if (procinfo == NULL) {
if (errno != ENOENT) {
perror(file);
bb_perror_msg("%s", file);
} else {
bb_error_msg("no support for '%s' on this system", name);
}
} else {
return;
}
do {
char *buffer = xmalloc_fgets(procinfo);
if (buffer) {
@ -516,7 +503,6 @@ static void do_info(const char *file, const char *name, void (*proc)(int, const
} while (!feof(procinfo));
fclose(procinfo);
}
}
/*
* Our main function.
@ -529,12 +515,11 @@ int netstat_main(int argc, char **argv)
OPT_showroute = 0x100,
};
unsigned opt;
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
int inet = 1;
int inet6 = 1;
#else
# define inet 1
# define inet6 0
enum { inet = 1, inet6 = 0 };
#endif
/* Option string must match NETSTAT_xxx constants */
@ -551,8 +536,8 @@ int netstat_main(int argc, char **argv)
//if (opt & 0x40) // -w: NETSTAT_RAW
//if (opt & 0x80) // -x: NETSTAT_UNIX
if (opt & OPT_showroute) { // -r
#ifdef CONFIG_ROUTE
displayroutes(flags & NETSTAT_NUMERIC, !(opt & OPT_extended));
#if ENABLE_ROUTE
bb_displayroutes(flags & NETSTAT_NUMERIC, !(opt & OPT_extended));
return 0;
#else
bb_error_msg_and_die("-r (display routing table) is not compiled in");
@ -569,29 +554,27 @@ int netstat_main(int argc, char **argv)
if ((flags & (NETSTAT_LISTENING|NETSTAT_CONNECTED)) == (NETSTAT_LISTENING|NETSTAT_CONNECTED))
printf("(servers and established)");
else {
if (flags & NETSTAT_LISTENING)
else if (flags & NETSTAT_LISTENING)
printf("(only servers)");
else
printf("(w/o servers)");
}
printf("\nProto Recv-Q Send-Q Local Address Foreign Address State\n");
}
if (inet && flags & NETSTAT_TCP)
do_info(_PATH_PROCNET_TCP, "AF INET (tcp)", tcp_do_one);
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
if (inet6 && flags & NETSTAT_TCP)
do_info(_PATH_PROCNET_TCP6, "AF INET6 (tcp)", tcp_do_one);
#endif
if (inet && flags & NETSTAT_UDP)
do_info(_PATH_PROCNET_UDP, "AF INET (udp)", udp_do_one);
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
if (inet6 && flags & NETSTAT_UDP)
do_info(_PATH_PROCNET_UDP6, "AF INET6 (udp)", udp_do_one);
#endif
if (inet && flags & NETSTAT_RAW)
do_info(_PATH_PROCNET_RAW, "AF INET (raw)", raw_do_one);
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
if (inet6 && flags & NETSTAT_RAW)
do_info(_PATH_PROCNET_RAW6, "AF INET6 (raw)", raw_do_one);
#endif
@ -599,13 +582,10 @@ int netstat_main(int argc, char **argv)
printf("Active UNIX domain sockets ");
if ((flags & (NETSTAT_LISTENING|NETSTAT_CONNECTED)) == (NETSTAT_LISTENING|NETSTAT_CONNECTED))
printf("(servers and established)");
else {
if (flags&NETSTAT_LISTENING)
else if (flags & NETSTAT_LISTENING)
printf("(only servers)");
else
printf("(w/o servers)");
}
printf("\nProto RefCnt Flags Type State I-Node Path\n");
do_info(_PATH_PROCNET_UNIX, "AF UNIX", unix_do_one);
}

3
networking/ping.c
View File

@ -343,8 +343,7 @@ static void ping(const char *host)
/* set recv buf for broadcast pings */
sockopt = 48 * 1024; /* explain why 48k? */
setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
sizeof(sockopt));
setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
printf("PING %s (%s)",
hostent->h_name,

17
networking/ping6.c
View File

@ -77,8 +77,7 @@ static void ping(const char *host)
pkt->icmp6_type = ICMP6_ECHO_REQUEST;
sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
sizeof(sockopt));
setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt));
c = sendto(pingsock, packet, DEFDATALEN + sizeof (struct icmp6_hdr), 0,
(struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
@ -312,6 +311,7 @@ static void unpack(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit
fflush(stdout);
}
extern int BUG_bad_offsetof_icmp6_cksum(void);
static void ping(const char *host)
{
char packet[datalen + MAXIPLEN + MAXICMPLEN];
@ -353,18 +353,15 @@ static void ping(const char *host)
/* set recv buf for broadcast pings */
sockopt = 48 * 1024; /* explain why 48k? */
setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
sizeof(sockopt));
setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
sockopt = 2; /* iputils-ss020927 does this */
sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
sizeof(sockopt));
if (offsetof(struct icmp6_hdr, icmp6_cksum) != 2)
BUG_bad_offsetof_icmp6_cksum();
setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt));
/* request ttl info to be returned in ancillary data */
sockopt = 1;
setsockopt(pingsock, SOL_IPV6, IPV6_HOPLIMIT, (char *) &sockopt,
sizeof(sockopt));
setsockopt(pingsock, SOL_IPV6, IPV6_HOPLIMIT, &const_int_1, sizeof(const_int_1));
if (if_index)
pingaddr.sin6_scope_id = if_index;

26
networking/route.c
View File

@ -167,7 +167,7 @@ static void INET_setroute(int action, char **args)
}
/* Clean out the RTREQ structure. */
memset((char *) &rt, 0, sizeof(struct rtentry));
memset(&rt, 0, sizeof(rt));
{
const char *target = *args++;
@ -334,7 +334,7 @@ static void INET_setroute(int action, char **args)
if (ENABLE_FEATURE_CLEAN_UP) close(skfd);
}
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
static void INET6_setroute(int action, char **args)
{
@ -363,7 +363,7 @@ static void INET6_setroute(int action, char **args)
}
/* Clean out the RTREQ structure. */
memset((char *) &rt, 0, sizeof(struct in6_rtmsg));
memset(&rt, 0, sizeof(rt));
memcpy(&rt.rtmsg_dst, sa6.sin6_addr.s6_addr, sizeof(struct in6_addr));
@ -445,7 +445,7 @@ static const unsigned int flagvals[] = { /* Must agree with flagchars[]. */
RTF_REINSTATE,
RTF_DYNAMIC,
RTF_MODIFIED,
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
RTF_DEFAULT,
RTF_ADDRCONF,
RTF_CACHE
@ -457,7 +457,7 @@ static const unsigned int flagvals[] = { /* Must agree with flagchars[]. */
static const char flagchars[] = /* Must agree with flagvals[]. */
"GHRDM"
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
"DAC"
#endif
;
@ -476,7 +476,7 @@ static void set_flags(char *flagstr, int flags)
}
/* also used in netstat */
void displayroutes(int noresolve, int netstatfmt)
void bb_displayroutes(int noresolve, int netstatfmt)
{
char devname[64], flags[16], sdest[16], sgw[16];
unsigned long int d, g, m;
@ -537,7 +537,7 @@ void displayroutes(int noresolve, int netstatfmt)
}
}
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
static void INET6_displayroutes(int noresolve)
{
@ -649,15 +649,15 @@ int route_main(int argc, char **argv)
/* First, remap '-net' and '-host' to avoid getopt problems. */
p = argv;
while (*++p) {
if ((strcmp(*p, "-net") == 0) || (strcmp(*p, "-host") == 0)) {
if (strcmp(*p, "-net") == 0 || strcmp(*p, "-host") == 0) {
p[0][0] = '#';
}
}
opt = getopt32(argc, argv, "A:ne", &family);
if ((opt & ROUTE_OPT_A) && strcmp(family, "inet")) {
#ifdef CONFIG_FEATURE_IPV6
if ((opt & ROUTE_OPT_A) && strcmp(family, "inet") != 0) {
#if ENABLE_FEATURE_IPV6
if (strcmp(family, "inet6") == 0) {
opt |= ROUTE_OPT_INET6; /* Set flag for ipv6. */
} else
@ -670,12 +670,12 @@ int route_main(int argc, char **argv)
/* No more args means display the routing table. */
if (!*argv) {
int noresolve = (opt & ROUTE_OPT_n) ? 0x0fff : 0;
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
if (opt & ROUTE_OPT_INET6)
INET6_displayroutes(noresolve);
else
#endif
displayroutes(noresolve, opt & ROUTE_OPT_e);
bb_displayroutes(noresolve, opt & ROUTE_OPT_e);
fflush_stdout_and_exit(EXIT_SUCCESS);
}
@ -686,7 +686,7 @@ int route_main(int argc, char **argv)
bb_show_usage();
}
#ifdef CONFIG_FEATURE_IPV6
#if ENABLE_FEATURE_IPV6
if (opt & ROUTE_OPT_INET6)
INET6_setroute(what, argv);
else

4
networking/telnet.c
View File

@ -95,8 +95,6 @@ static void telopt(byte c);
static int subneg(byte c);
/* Some globals */
static const int one = 1;
#ifdef CONFIG_FEATURE_TELNET_TTYPE
static char *ttype;
#endif
@ -630,7 +628,7 @@ int telnet_main(int argc, char** argv)
G.netfd = create_and_connect_stream_or_die(host, port);
setsockopt(G.netfd, SOL_SOCKET, SO_KEEPALIVE, &one, sizeof one);
setsockopt(G.netfd, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1));
signal(SIGINT, fgotsig);

40
networking/traceroute.c
View File

@ -207,7 +207,6 @@
//#undef CONFIG_FEATURE_TRACEROUTE_USE_ICMP
//#define CONFIG_FEATURE_TRACEROUTE_USE_ICMP
#include "inet_common.h"
#include <net/if.h>
#include <arpa/inet.h>
@ -217,6 +216,7 @@
#include <netinet/ip_icmp.h>
#include "busybox.h"
#include "inet_common.h"
/*
@ -803,7 +803,8 @@ inetname(struct sockaddr_in *from)
char name[257];
if (!nflag && from->sin_addr.s_addr != INADDR_ANY) {
if (INET_rresolve(name, sizeof(name), from, 0x4000, 0xffffffff) >= 0)
if (INET_rresolve(name, sizeof(name), from, 0x4000,
0xffffffff) >= 0)
n = name;
}
ina = inet_ntoa(from->sin_addr);
@ -842,7 +843,7 @@ gethostinfo(const char *host)
hi = xzalloc(sizeof(*hi));
addr = inet_addr(host);
if ((int32_t)addr != -1) {
if (addr != 0xffffffff) {
hi->name = xstrdup(host);
hi->n = 1;
hi->addrs = xzalloc(sizeof(hi->addrs[0]));
@ -888,8 +889,6 @@ getaddr(uint32_t *ap, const char *host)
int
traceroute_main(int argc, char *argv[])
{
static const int on = 1;
int code, n;
unsigned char *outp;
uint32_t *ap;
@ -1043,19 +1042,19 @@ traceroute_main(int argc, char *argv[])
/* Insure the socket fds won't be 0, 1 or 2 */
do n = xopen(bb_dev_null, O_RDONLY); while (n < 2);
if (n > 2)
close(n);
while (n > 2)
close(n--);
s = xsocket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
#if TRACEROUTE_SO_DEBUG
if (op & USAGE_OP_DEBUG)
(void)setsockopt(s, SOL_SOCKET, SO_DEBUG, (char *)&on,
sizeof(on));
setsockopt(s, SOL_SOCKET, SO_DEBUG,
&const_int_1, sizeof(const_int_1));
#endif
if (op & USAGE_OP_BYPASS_ROUTE)
(void)setsockopt(s, SOL_SOCKET, SO_DONTROUTE, (char *)&on,
sizeof(on));
setsockopt(s, SOL_SOCKET, SO_DONTROUTE,
&const_int_1, sizeof(const_int_1));
sndsock = xsocket(AF_INET, SOCK_RAW, IPPROTO_RAW);
@ -1087,32 +1086,31 @@ traceroute_main(int argc, char *argv[])
#endif /* CONFIG_FEATURE_TRACEROUTE_SOURCE_ROUTE */
#ifdef SO_SNDBUF
if (setsockopt(sndsock, SOL_SOCKET, SO_SNDBUF, (char *)&packlen,
sizeof(packlen)) < 0) {
if (setsockopt(sndsock, SOL_SOCKET, SO_SNDBUF, &packlen, sizeof(packlen)) < 0) {
bb_perror_msg_and_die("SO_SNDBUF");
}
#endif
#ifdef IP_HDRINCL
if (setsockopt(sndsock, IPPROTO_IP, IP_HDRINCL, (char *)&on,
sizeof(on)) < 0 && errno != ENOPROTOOPT) {
if (setsockopt(sndsock, IPPROTO_IP, IP_HDRINCL, &const_int_1, sizeof(const_int_1)) < 0
&& errno != ENOPROTOOPT
) {
bb_perror_msg_and_die("IP_HDRINCL");
}
#else
#ifdef IP_TOS
if (tos_str && setsockopt(sndsock, IPPROTO_IP, IP_TOS,
(char *)&tos, sizeof(tos)) < 0) {
if (tos_str && setsockopt(sndsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0) {
bb_perror_msg_and_die("setsockopt tos %d", tos);
}
#endif
#endif
#if TRACEROUTE_SO_DEBUG
if (op & USAGE_OP_DEBUG)
(void)setsockopt(sndsock, SOL_SOCKET, SO_DEBUG, (char *)&on,
sizeof(on));
setsockopt(sndsock, SOL_SOCKET, SO_DEBUG,
&const_int_1, sizeof(const_int_1));
#endif
if (op & USAGE_OP_BYPASS_ROUTE)
(void)setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE, (char *)&on,
sizeof(on));
setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
&const_int_1, sizeof(const_int_1));
/* Revert to non-privileged user after opening sockets */
xsetgid(getgid());

2
networking/udhcp/socket.c
View File

@ -112,7 +112,7 @@ int listen_socket(uint32_t ip, int port, char *inf)
}
strncpy(interface.ifr_name, inf, IFNAMSIZ);
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, (char *)&interface, sizeof(interface)) < 0) {
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &interface, sizeof(interface)) < 0) {
close(fd);
return -1;
}

2
shell/lash.c
View File

@ -30,7 +30,7 @@
#define CONFIG_LASH_PIPE_N_REDIRECTS
#define CONFIG_LASH_JOB_CONTROL
static const int MAX_READ = 128; /* size of input buffer for `read' builtin */
enum { MAX_READ = 128 }; /* size of input buffer for 'read' builtin */
#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"