diff options
author | joe <joe@FreeBSD.org> | 2001-04-23 19:38:41 +0000 |
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committer | joe <joe@FreeBSD.org> | 2001-04-23 19:38:41 +0000 |
commit | d8bc9129a9d7b540511e34418e77efeea3f3719b (patch) | |
tree | 99a25a1431cb1478fdb0b97919edf2797a1d58b9 /release/picobsd/tinyware | |
parent | e13477a78efe26dd015393493d5590d76e9a5f9d (diff) | |
download | FreeBSD-src-d8bc9129a9d7b540511e34418e77efeea3f3719b.zip FreeBSD-src-d8bc9129a9d7b540511e34418e77efeea3f3719b.tar.gz |
Apply style guidelines (using gident to help).
Diffstat (limited to 'release/picobsd/tinyware')
-rw-r--r-- | release/picobsd/tinyware/ns/Makefile | 11 | ||||
-rw-r--r-- | release/picobsd/tinyware/ns/ns.c | 884 |
2 files changed, 471 insertions, 424 deletions
diff --git a/release/picobsd/tinyware/ns/Makefile b/release/picobsd/tinyware/ns/Makefile index 5fff143..99fd4e4 100644 --- a/release/picobsd/tinyware/ns/Makefile +++ b/release/picobsd/tinyware/ns/Makefile @@ -1,10 +1,9 @@ # $FreeBSD$ -# -PROG=ns -SRCS= ns.c -CFLAGS+=-DBRIDGING -NOMAN=yes -.include <bsd.prog.mk> +PROG= ns +SRCS= ns.c +CFLAGS+= -DBRIDGING +NOMAN= yes +.include <bsd.prog.mk> diff --git a/release/picobsd/tinyware/ns/ns.c b/release/picobsd/tinyware/ns/ns.c index 44256a4..f2ee7cc 100644 --- a/release/picobsd/tinyware/ns/ns.c +++ b/release/picobsd/tinyware/ns/ns.c @@ -31,16 +31,15 @@ * Small replacement for netstat. Uses only sysctl(3) to get the info. */ -#include <stdio.h> -#include <errno.h> -#include <unistd.h> -#include <osreldate.h> -#include <err.h> #include <sys/types.h> #include <sys/time.h> #include <sys/sysctl.h> #include <sys/socket.h> +#include <sys/un.h> + #include <net/if.h> +#include <net/route.h> +#include <net/if_dl.h> #include <netinet/in_systm.h> #include <netinet/in.h> #include <netinet/ip.h> @@ -52,22 +51,25 @@ #include <netinet/tcp_var.h> #include <netinet/udp.h> #include <netinet/udp_var.h> -#include <net/route.h> -#include <net/if_dl.h> -#include <sys/un.h> #ifdef BRIDGING -#include <net/if_types.h> /* IFT_ETHER */ +#include <net/if_types.h> /* IFT_ETHER */ #include <net/ethernet.h> #include <net/bridge.h> #endif +#include <err.h> +#include <errno.h> +#include <osreldate.h> +#include <stdio.h> +#include <unistd.h> + char *progname; -int iflag=0; -int rflag=0; -int sflag=0; -int pflag=0; -int wflag=0; /* repeat every wait seconds */ +int iflag = 0; +int rflag = 0; +int sflag = 0; +int pflag = 0; +int wflag = 0; /* repeat every wait seconds */ extern char *optarg; extern int optind; @@ -75,85 +77,92 @@ extern int optind; void usage() { - fprintf(stderr,"\n%s [-nrsi] [-p proto] [-w wait]\n",progname); + fprintf(stderr, "\n%s [-nrsi] [-p proto] [-w wait]\n", progname); #ifdef BRIDGING - fprintf(stderr," proto: {ip|tcp|udp|icmp|bdg}\n\n"); + fprintf(stderr, " proto: {ip|tcp|udp|icmp|bdg}\n\n"); #else - fprintf(stderr," proto: {ip|tcp|udp|icmp}\n\n"); + fprintf(stderr, " proto: {ip|tcp|udp|icmp}\n\n"); #endif } -int if_num; /* * The following parts related to retrieving the routing table and * interface information, were borrowed from R. Stevens' code examples * accompanying his excellent book. Thanks! */ - char * sock_ntop(const struct sockaddr *sa, size_t salen) { - char portstr[7]; - static char str[128]; /* Unix domain is largest */ + char portstr[7]; + static char str[128]; /* Unix domain is largest */ switch (sa->sa_family) { case 255: { - u_long mask; - u_int index = 1 << 31; - u_short new_mask = 0; - int i; + int i = 0; + u_long mask; + u_int index = 1 << 31; + u_short new_mask = 0; - i=0; mask = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr); - - while(mask & index) { + + while (mask & index) { new_mask++; index >>= 1; } - sprintf(str,"/%hu", new_mask); - return(str); + sprintf(str, "/%hu", new_mask); + return (str); } - case AF_UNSPEC: + case AF_UNSPEC: case AF_INET: { - struct sockaddr_in *sin = (struct sockaddr_in *) sa; - - if (inet_ntop(AF_INET, &sin->sin_addr, str, sizeof(str)) == NULL) - return(NULL); - if (ntohs(sin->sin_port)!=0) { - snprintf(portstr, sizeof(portstr), ".%d", ntohs(sin->sin_port)); + struct sockaddr_in *sin = (struct sockaddr_in *)sa; + + if (inet_ntop(AF_INET, &sin->sin_addr, str, sizeof(str)) + == NULL) + return (NULL); + if (ntohs(sin->sin_port) != 0) { + snprintf(portstr, sizeof(portstr), ".%d", + ntohs(sin->sin_port)); strcat(str, portstr); } - if(strcmp(str,"0.0.0.0")==0) sprintf(str,"default"); - return(str); + if (strcmp(str, "0.0.0.0") == 0) + sprintf(str, "default"); + return (str); } + case AF_UNIX: { - struct sockaddr_un *unp = (struct sockaddr_un *) sa; + struct sockaddr_un *unp = (struct sockaddr_un *)sa; - /* OK to have no pathname bound to the socket: happens on - every connect() unless client calls bind() first. */ + /* + * OK to have no pathname bound to the socket: + * happens on every connect() unless client calls + * bind() first. + */ if (unp->sun_path[0] == 0) strcpy(str, "(no pathname bound)"); else snprintf(str, sizeof(str), "%s", unp->sun_path); - return(str); + return (str); } + case AF_LINK: { - struct sockaddr_dl *sdl = (struct sockaddr_dl *) sa; + struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; if (sdl->sdl_nlen > 0) { bcopy(&sdl->sdl_data[0], str, sdl->sdl_nlen); - str[sdl->sdl_nlen]='\0'; + str[sdl->sdl_nlen] = '\0'; } else snprintf(str, sizeof(str), "link#%d", sdl->sdl_index); - return(str); + return (str); } + default: - snprintf(str, sizeof(str), "sock_ntop: unknown AF_xxx: %d, len %d", - sa->sa_family, salen); - return(str); + snprintf(str, sizeof(str), + "sock_ntop: unknown AF_xxx: %d, len %d", sa->sa_family, + salen); + return (str); } - return (NULL); + return (NULL); } char * @@ -161,181 +170,183 @@ Sock_ntop(const struct sockaddr *sa, size_t salen) { char *ptr; - if ( (ptr = sock_ntop(sa, salen)) == NULL) - err(1,"sock_ntop error"); /* inet_ntop() sets errno */ - return(ptr); + if ((ptr = sock_ntop(sa, salen)) == NULL) + err(1, "sock_ntop error"); /* inet_ntop() sets errno */ + return (ptr); } #define ROUNDUP(a,size) (((a) & ((size)-1))?(1+((a)|((size)-1))):(a)) -#define NEXT_SA(ap) ap=(struct sockaddr *) \ - ((caddr_t)ap+(ap->sa_len?ROUNDUP(ap->sa_len,sizeof(u_long)):\ - sizeof(u_long))) +#define NEXT_SA(ap) \ + ap=(struct sockaddr *) \ + ((caddr_t)ap+(ap->sa_len?ROUNDUP(ap->sa_len,sizeof(u_long)):\ + sizeof(u_long))) void get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info) { - int i; - - for(i=0;i<RTAX_MAX;i++) { - if(addrs &(1<<i)) { - rti_info[i]=sa; + int i; + + for (i = 0; i < RTAX_MAX; i++) { + if (addrs & (1 << i)) { + rti_info[i] = sa; NEXT_SA(sa); } else - rti_info[i]=NULL; + rti_info[i] = NULL; } } void get_flags(char *buf, int flags) { - if(flags & 0x1) { - strcat(buf,"U"); - } - if(flags & 0x2) { - strcat(buf,"G"); - } - if(flags & 0x4) { - strcat(buf,"H"); - } - if(flags & 0x8) { - strcat(buf,"r"); - } - if(flags & 0x10) { - strcat(buf,"d"); - } - /* - if(flags & 0x20) { - strcat(buf,"mod,"); - } - */ - if(flags & 0x100) { - strcat(buf,"C"); - } - if(flags & 0x400) { - strcat(buf,"L"); - } - if(flags & 0x800) { - strcat(buf,"S"); - } - if(flags & 0x10000) { - strcat(buf,"c"); - } - if(flags & 0x20000) { - strcat(buf,"W"); - } - /* - if(flags & 0x200000) { - strcat(buf,",LOC"); - } - */ - if(flags & 0x400000) { - strcat(buf,"b"); - } - /* - if(flags & 0x800000) { - strcat(buf,",MCA"); - } - */ + if (flags & 0x1) + strcat(buf, "U"); + if (flags & 0x2) + strcat(buf, "G"); + if (flags & 0x4) + strcat(buf, "H"); + if (flags & 0x8) + strcat(buf, "r"); + if (flags & 0x10) + strcat(buf, "d"); +#ifdef NEVER + if (flags & 0x20) + strcat(buf, "mod,"); +#endif /*NEVER*/ + if (flags & 0x100) + strcat(buf, "C"); + if (flags & 0x400) + strcat(buf, "L"); + if (flags & 0x800) + strcat(buf, "S"); + if (flags & 0x10000) + strcat(buf, "c"); + if (flags & 0x20000) + strcat(buf, "W"); +#ifdef NEVER + if (flags & 0x200000) + strcat(buf, ",LOC"); +#endif /*NEVER*/ + if (flags & 0x400000) + strcat(buf, "b"); +#ifdef NEVER + if (flags & 0x800000) + strcat(buf, ",MCA"); +#endif /*NEVER*/ } int print_routing(char *proto) { - int mib[6],i=0,rt_len,if_len; - char *rt_buf,*if_buf,*next,*lim; - struct rt_msghdr *rtm; - struct if_msghdr *ifm,**ifm_table; - struct ifa_msghdr *ifam; - struct sockaddr *sa,*sa1,*rti_info[RTAX_MAX],**if_table; - struct rt_metrics rm; - char fbuf[50]; + int mib[6]; + int i = 0; + int rt_len; + int if_len; + int if_num; + char *rt_buf; + char *if_buf; + char *next; + char *lim; + struct rt_msghdr *rtm; + struct if_msghdr *ifm; + struct if_msghdr **ifm_table; + struct ifa_msghdr *ifam; + struct sockaddr *sa; + struct sockaddr *sa1; + struct sockaddr *rti_info[RTAX_MAX]; + struct sockaddr **if_table; + struct rt_metrics rm; + char fbuf[50]; /* Get the routing table */ - mib[0]=CTL_NET; - mib[1]=PF_ROUTE; - mib[2]=0; - mib[3]=0; - mib[4]=NET_RT_DUMP; - mib[5]=0; - /* Estimate the size of table */ - if(sysctl(mib,6,NULL,&rt_len,NULL,0)==-1) { + mib[0] = CTL_NET; + mib[1] = PF_ROUTE; + mib[2] = 0; + mib[3] = 0; + mib[4] = NET_RT_DUMP; + mib[5] = 0; + + /*Estimate the size of table */ + if (sysctl(mib, 6, NULL, &rt_len, NULL, 0) == -1) { perror("sysctl size"); exit(-1); } - if((rt_buf=(char *)malloc(rt_len))==NULL) { + if ((rt_buf = (char *)malloc(rt_len)) == NULL) { perror("malloc"); exit(-1); } + /* Now get it. */ - if(sysctl(mib,6,rt_buf,&rt_len,NULL,0)==-1) { + if (sysctl(mib, 6, rt_buf, &rt_len, NULL, 0) == -1) { perror("sysctl get"); exit(-1); } + /* Get the interfaces table */ - mib[0]=CTL_NET; - mib[1]=PF_ROUTE; - mib[2]=0; - mib[3]=0; - mib[4]=NET_RT_IFLIST; - mib[5]=0; + mib[0] = CTL_NET; + mib[1] = PF_ROUTE; + mib[2] = 0; + mib[3] = 0; + mib[4] = NET_RT_IFLIST; + mib[5] = 0; + /* Estimate the size of table */ - if(sysctl(mib,6,NULL,&if_len,NULL,0)==-1) { + if (sysctl(mib, 6, NULL, &if_len, NULL, 0) == -1) { perror("sysctl size"); exit(-1); } - if((if_buf=(char *)malloc(if_len))==NULL) { + if ((if_buf = (char *)malloc(if_len)) == NULL) { perror("malloc"); exit(-1); } + /* Now get it. */ - if(sysctl(mib,6,if_buf,&if_len,NULL,0)==-1) { + if (sysctl(mib, 6, if_buf, &if_len, NULL, 0) == -1) { perror("sysctl get"); exit(-1); } - lim=if_buf+if_len; - i=0; - for(next=if_buf,i=0;next<lim;next+=ifm->ifm_msglen) { - ifm=(struct if_msghdr *)next; + lim = if_buf + if_len; + i = 0; + for (next = if_buf, i = 0; next < lim; next += ifm->ifm_msglen) { + ifm = (struct if_msghdr *)next; i++; } - if_num=i; - if_table=(struct sockaddr **)calloc(i,sizeof(struct sockaddr)); - ifm_table=(struct if_msghdr **)calloc(i,sizeof(struct if_msghdr)); + if_num = i; + if_table = (struct sockaddr **)calloc(i, sizeof(struct sockaddr)); + ifm_table = (struct if_msghdr **)calloc(i, sizeof(struct if_msghdr)); if (iflag) { - printf("\nInterface table:\n"); - printf("----------------\n"); - printf("Name Mtu Network Address " + printf("\nInterface table:\n"); + printf("----------------\n"); + printf("Name Mtu Network Address " "Ipkts Ierrs Opkts Oerrs Coll\n"); } - i=0; - for(next=if_buf;next<lim;next+=ifm->ifm_msglen) { - - ifm=(struct if_msghdr *)next; - if_table[i]=(struct sockaddr *)(ifm+1); - ifm_table[i]=ifm; + i = 0; + for (next = if_buf; next < lim; next += ifm->ifm_msglen) { + ifm = (struct if_msghdr *)next; + if_table[i] = (struct sockaddr *)(ifm + 1); + ifm_table[i] = ifm; sa = if_table[i]; if (iflag && sa->sa_family == AF_LINK) { - struct sockaddr_dl *sdl = (struct sockaddr_dl *) sa; - - printf("%-4s %-5d <Link> ", - sock_ntop(if_table[i], if_table[i]->sa_len), - ifm->ifm_data.ifi_mtu); - if ( sdl->sdl_alen == 6) { - unsigned char *p = sdl->sdl_data + sdl->sdl_nlen ; - printf("%02x:%02x:%02x:%02x:%02x:%02x ", - p[0], p[1], p[2], p[3], p[4], p[5] ); - } else - printf(" "); - printf("%9d%6d%9d%6d%6d\n", - ifm->ifm_data.ifi_ipackets, - ifm->ifm_data.ifi_ierrors, - ifm->ifm_data.ifi_opackets, - ifm->ifm_data.ifi_oerrors, - ifm->ifm_data.ifi_collisions - ); + struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; + + printf("%-4s %-5d <Link> ", + sock_ntop(if_table[i], if_table[i]->sa_len), + ifm->ifm_data.ifi_mtu); + if (sdl->sdl_alen == 6) { + unsigned char *p = + sdl->sdl_data + sdl->sdl_nlen; + printf("%02x:%02x:%02x:%02x:%02x:%02x ", + p[0], p[1], p[2], p[3], p[4], p[5]); + } else + printf(" "); + printf("%9d%6d%9d%6d%6d\n", + ifm->ifm_data.ifi_ipackets, + ifm->ifm_data.ifi_ierrors, + ifm->ifm_data.ifi_opackets, + ifm->ifm_data.ifi_oerrors, + ifm->ifm_data.ifi_collisions); } i++; } @@ -344,238 +355,261 @@ print_routing(char *proto) free(if_buf); free(if_table); free(ifm_table); - return(0); + return (0); } + /* Now dump the routing table */ printf("\nRouting table:\n"); printf("--------------\n"); - printf("Destination Gateway Flags Netif Use\n"); - lim=rt_buf+rt_len; - for(next=rt_buf;next<lim;next+=rtm->rtm_msglen) { - rtm=(struct rt_msghdr *)next; - sa=(struct sockaddr *)(rtm+1); - get_rtaddrs(rtm->rtm_addrs,sa,rti_info); - if(rtm->rtm_flags & RTF_WASCLONED) { - if((rtm->rtm_flags & RTF_LLINFO)==0)continue; + printf + ("Destination Gateway Flags Netif Use\n"); + lim = rt_buf + rt_len; + for (next = rt_buf; next < lim; next += rtm->rtm_msglen) { + rtm = (struct rt_msghdr *)next; + sa = (struct sockaddr *)(rtm + 1); + get_rtaddrs(rtm->rtm_addrs, sa, rti_info); + if (rtm->rtm_flags & RTF_WASCLONED) { + if ((rtm->rtm_flags & RTF_LLINFO) == 0) + continue; } - if((sa=rti_info[RTAX_DST])!=NULL) { - sprintf(fbuf,"%s",sock_ntop(sa,sa->sa_len)); - if(((sa1=rti_info[RTAX_NETMASK])!=NULL) && sa1->sa_family==255) { - strcat(fbuf,sock_ntop(sa1,sa1->sa_len)); + if ((sa = rti_info[RTAX_DST]) != NULL) { + sprintf(fbuf, "%s", sock_ntop(sa, sa->sa_len)); + if (((sa1 = rti_info[RTAX_NETMASK]) != NULL) + && sa1->sa_family == 255) { + strcat(fbuf, sock_ntop(sa1, sa1->sa_len)); } - printf("%-19s",fbuf); + printf("%-19s", fbuf); } - if((sa=rti_info[RTAX_GATEWAY])!=NULL) { - printf("%-19s",sock_ntop(sa,sa->sa_len)); + if ((sa = rti_info[RTAX_GATEWAY]) != NULL) { + printf("%-19s", sock_ntop(sa, sa->sa_len)); } - memset(fbuf,0,sizeof(fbuf)); - get_flags(fbuf,rtm->rtm_flags); - printf("%-10s",fbuf); - for(i=0;i<if_num;i++) { - ifm=ifm_table[i]; - if((ifm->ifm_index==rtm->rtm_index) && - (ifm->ifm_data.ifi_type>0)) { - sa=if_table[i]; + memset(fbuf, 0, sizeof(fbuf)); + get_flags(fbuf, rtm->rtm_flags); + printf("%-10s", fbuf); + for (i = 0; i < if_num; i++) { + ifm = ifm_table[i]; + if ((ifm->ifm_index == rtm->rtm_index) && + (ifm->ifm_data.ifi_type > 0)) { + sa = if_table[i]; break; } } - if(ifm->ifm_type==RTM_IFINFO) { - get_rtaddrs(ifm->ifm_addrs,sa,rti_info); - printf(" %s",Sock_ntop(sa,sa->sa_len)); - } else if(ifm->ifm_type==RTM_NEWADDR) { - ifam=(struct ifa_msghdr *)ifm_table[rtm->rtm_index-1]; - sa=(struct sockaddr *)(ifam+1); - get_rtaddrs(ifam->ifam_addrs,sa,rti_info); - printf(" %s",Sock_ntop(sa,sa->sa_len)); + if (ifm->ifm_type == RTM_IFINFO) { + get_rtaddrs(ifm->ifm_addrs, sa, rti_info); + printf(" %s", Sock_ntop(sa, sa->sa_len)); + } else if (ifm->ifm_type == RTM_NEWADDR) { + ifam = + (struct ifa_msghdr *)ifm_table[rtm->rtm_index - 1]; + sa = (struct sockaddr *)(ifam + 1); + get_rtaddrs(ifam->ifam_addrs, sa, rti_info); + printf(" %s", Sock_ntop(sa, sa->sa_len)); } - printf(" %u",rtm->rtm_use); + printf(" %u", rtm->rtm_use); printf("\n"); } free(rt_buf); free(if_buf); free(if_table); free(ifm_table); - return(0); + return (0); } print_ip_stats() { - int mib[4],len; - struct ipstat s; + int mib[4]; + int len; + struct ipstat s; - mib[0]=CTL_NET; - mib[1]=PF_INET; - mib[2]=IPPROTO_IP; + mib[0] = CTL_NET; + mib[1] = PF_INET; + mib[2] = IPPROTO_IP; #ifndef IPCTL_STATS printf("sorry, ip stats not available\n"); - return -1 ; + return -1; #else - mib[3]=IPCTL_STATS; - len=sizeof(struct ipstat); - if(sysctl(mib,4,&s,&len,NULL,0)<0) { + mib[3] = IPCTL_STATS; + len = sizeof(struct ipstat); + if (sysctl(mib, 4, &s, &len, NULL, 0) < 0) { perror("sysctl"); - return(-1); + return (-1); } printf("\nIP statistics:\n"); printf("--------------\n"); - printf(" %10lu total packets received\n",s.ips_total); + printf(" %10lu total packets received\n", s.ips_total); printf("* Packets ok:\n"); - printf(" %10lu fragments received\n",s.ips_fragments); - printf(" %10lu forwarded\n",s.ips_forward); + printf(" %10lu fragments received\n", s.ips_fragments); + printf(" %10lu forwarded\n", s.ips_forward); #if __FreeBSD_version > 300001 - printf(" %10lu fast forwarded\n",s.ips_fastforward); + printf(" %10lu fast forwarded\n", s.ips_fastforward); #endif - printf(" %10lu forwarded on same net (redirect)\n",s.ips_redirectsent); - printf(" %10lu delivered to upper level\n",s.ips_delivered); - printf(" %10lu total ip packets generated here\n",s.ips_localout); - printf(" %10lu total packets reassembled ok\n",s.ips_reassembled); - printf(" %10lu total datagrams successfully fragmented\n",s.ips_fragmented); - printf(" %10lu output fragments created\n",s.ips_ofragments); - printf(" %10lu total raw IP packets generated\n",s.ips_rawout); + printf(" %10lu forwarded on same net (redirect)\n", + s.ips_redirectsent); + printf(" %10lu delivered to upper level\n", s.ips_delivered); + printf(" %10lu total ip packets generated here\n", s.ips_localout); + printf(" %10lu total packets reassembled ok\n", s.ips_reassembled); + printf(" %10lu total datagrams successfully fragmented\n", + s.ips_fragmented); + printf(" %10lu output fragments created\n", s.ips_ofragments); + printf(" %10lu total raw IP packets generated\n", s.ips_rawout); printf("\n* Bad packets:\n"); - printf(" %10lu bad checksum\n",s.ips_badsum); - printf(" %10lu too short\n",s.ips_tooshort); - printf(" %10lu not enough data (too small)\n",s.ips_toosmall); - printf(" %10lu more data than declared in header\n",s.ips_badhlen); - printf(" %10lu less data than declared in header\n",s.ips_badlen); - printf(" %10lu fragments dropped (dups, no mbuf)\n",s.ips_fragdropped); - printf(" %10lu fragments timed out in reassembly\n",s.ips_fragtimeout); - printf(" %10lu received for unreachable dest.\n",s.ips_cantforward); - printf(" %10lu unknown or unsupported protocol\n",s.ips_noproto); - printf(" %10lu lost due to no bufs etc.\n",s.ips_odropped); - printf(" %10lu couldn't fragment (DF set, etc.)\n",s.ips_cantfrag); - printf(" %10lu error in IP options processing\n",s.ips_badoptions); - printf(" %10lu dropped due to no route\n",s.ips_noroute); - printf(" %10lu bad IP version\n",s.ips_badvers); - printf(" %10lu too long (more than max IP size)\n",s.ips_toolong); + printf(" %10lu bad checksum\n", s.ips_badsum); + printf(" %10lu too short\n", s.ips_tooshort); + printf(" %10lu not enough data (too small)\n", s.ips_toosmall); + printf(" %10lu more data than declared in header\n", s.ips_badhlen); + printf(" %10lu less data than declared in header\n", s.ips_badlen); + printf(" %10lu fragments dropped (dups, no mbuf)\n", + s.ips_fragdropped); + printf(" %10lu fragments timed out in reassembly\n", + s.ips_fragtimeout); + printf(" %10lu received for unreachable dest.\n", s.ips_cantforward); + printf(" %10lu unknown or unsupported protocol\n", s.ips_noproto); + printf(" %10lu lost due to no bufs etc.\n", s.ips_odropped); + printf(" %10lu couldn't fragment (DF set, etc.)\n", s.ips_cantfrag); + printf(" %10lu error in IP options processing\n", s.ips_badoptions); + printf(" %10lu dropped due to no route\n", s.ips_noroute); + printf(" %10lu bad IP version\n", s.ips_badvers); + printf(" %10lu too long (more than max IP size)\n", s.ips_toolong); #if __FreeBSD_version > 300001 - printf(" %10lu multicast for unregistered groups\n",s.ips_notmember); + printf(" %10lu multicast for unregistered groups\n", s.ips_notmember); #endif #endif } print_tcp_stats() { - int mib[4],len; - struct tcpstat s; + int mib[4]; + int len; + struct tcpstat s; - mib[0]=CTL_NET; - mib[1]=PF_INET; - mib[2]=IPPROTO_TCP; + mib[0] = CTL_NET; + mib[1] = PF_INET; + mib[2] = IPPROTO_TCP; #ifndef TCPCTL_STATS printf("sorry, tcp stats not available\n"); - return -1 ; + return -1; #else - mib[3]=TCPCTL_STATS; - len=sizeof(struct tcpstat); - if(sysctl(mib,4,&s,&len,NULL,0)<0) { + mib[3] = TCPCTL_STATS; + len = sizeof(struct tcpstat); + if (sysctl(mib, 4, &s, &len, NULL, 0) < 0) { perror("sysctl"); - return(-1); + return (-1); } printf("\nTCP statistics:\n"); printf("---------------\n"); printf("* Connections:\n"); - printf(" %10lu initiated\n",s.tcps_connattempt); - printf(" %10lu accepted\n",s.tcps_accepts); - printf(" %10lu established\n",s.tcps_connects); - printf(" %10lu dropped\n",s.tcps_drops); - printf(" %10lu embryonic connections dropped\n",s.tcps_conndrops); - printf(" %10lu closed (includes dropped)\n",s.tcps_closed); - printf(" %10lu segments where we tried to get RTT\n",s.tcps_segstimed); - printf(" %10lu times RTT successfully updated\n",s.tcps_rttupdated); - printf(" %10lu delayed ACKs sent\n",s.tcps_delack); - printf(" %10lu dropped in rxmt timeout\n",s.tcps_timeoutdrop); - printf(" %10lu retrasmit timeouts\n",s.tcps_rexmttimeo); - printf(" %10lu persist timeouts\n",s.tcps_persisttimeo); - printf(" %10lu keepalive timeouts\n",s.tcps_keeptimeo); - printf(" %10lu keepalive probes sent\n",s.tcps_keepprobe); - printf(" %10lu dropped in keepalive\n",s.tcps_keepdrops); + printf(" %10lu initiated\n", s.tcps_connattempt); + printf(" %10lu accepted\n", s.tcps_accepts); + printf(" %10lu established\n", s.tcps_connects); + printf(" %10lu dropped\n", s.tcps_drops); + printf(" %10lu embryonic connections dropped\n", s.tcps_conndrops); + printf(" %10lu closed (includes dropped)\n", s.tcps_closed); + printf(" %10lu segments where we tried to get RTT\n", + s.tcps_segstimed); + printf(" %10lu times RTT successfully updated\n", s.tcps_rttupdated); + printf(" %10lu delayed ACKs sent\n", s.tcps_delack); + printf(" %10lu dropped in rxmt timeout\n", s.tcps_timeoutdrop); + printf(" %10lu retrasmit timeouts\n", s.tcps_rexmttimeo); + printf(" %10lu persist timeouts\n", s.tcps_persisttimeo); + printf(" %10lu keepalive timeouts\n", s.tcps_keeptimeo); + printf(" %10lu keepalive probes sent\n", s.tcps_keepprobe); + printf(" %10lu dropped in keepalive\n", s.tcps_keepdrops); printf("* Packets sent:\n"); - printf(" %10lu total packets sent\n",s.tcps_sndtotal); - printf(" %10lu data packets sent\n",s.tcps_sndpack); - printf(" %10lu data bytes sent\n",s.tcps_sndbyte); - printf(" %10lu data packets retransmitted\n",s.tcps_sndrexmitpack); - printf(" %10lu data bytes retransmitted\n",s.tcps_sndrexmitbyte); - printf(" %10lu ACK-only packets sent\n",s.tcps_sndacks); - printf(" %10lu window probes sent\n",s.tcps_sndprobe); - printf(" %10lu URG-only packets sent\n",s.tcps_sndurg); - printf(" %10lu window update-only packets sent\n",s.tcps_sndwinup); - printf(" %10lu control (SYN,FIN,RST) packets sent\n",s.tcps_sndctrl); + printf(" %10lu total packets sent\n", s.tcps_sndtotal); + printf(" %10lu data packets sent\n", s.tcps_sndpack); + printf(" %10lu data bytes sent\n", s.tcps_sndbyte); + printf(" %10lu data packets retransmitted\n", s.tcps_sndrexmitpack); + printf(" %10lu data bytes retransmitted\n", s.tcps_sndrexmitbyte); + printf(" %10lu ACK-only packets sent\n", s.tcps_sndacks); + printf(" %10lu window probes sent\n", s.tcps_sndprobe); + printf(" %10lu URG-only packets sent\n", s.tcps_sndurg); + printf(" %10lu window update-only packets sent\n", s.tcps_sndwinup); + printf(" %10lu control (SYN,FIN,RST) packets sent\n", s.tcps_sndctrl); printf("* Packets received:\n"); - printf(" %10lu total packets received\n",s.tcps_rcvtotal); - printf(" %10lu packets in sequence\n",s.tcps_rcvpack); - printf(" %10lu bytes in sequence\n",s.tcps_rcvbyte); - printf(" %10lu packets with bad checksum\n",s.tcps_rcvbadsum); - printf(" %10lu packets with bad offset\n",s.tcps_rcvbadoff); - printf(" %10lu packets too short\n",s.tcps_rcvshort); - printf(" %10lu duplicate-only packets\n",s.tcps_rcvduppack); - printf(" %10lu duplicate-only bytes\n",s.tcps_rcvdupbyte); - printf(" %10lu packets with some duplicate data\n",s.tcps_rcvpartduppack); - printf(" %10lu duplicate bytes in partially dup. packets\n",s.tcps_rcvpartdupbyte); - printf(" %10lu out-of-order packets\n",s.tcps_rcvoopack); - printf(" %10lu out-of-order bytes\n",s.tcps_rcvoobyte); - printf(" %10lu packets with data after window\n",s.tcps_rcvpackafterwin); - printf(" %10lu bytes received after window\n",s.tcps_rcvbyteafterwin); - printf(" %10lu packets received after 'close'\n",s.tcps_rcvafterclose); - printf(" %10lu window probe packets\n",s.tcps_rcvwinprobe); - printf(" %10lu duplicate ACKs\n",s.tcps_rcvdupack); - printf(" %10lu ACKs for unsent data\n",s.tcps_rcvacktoomuch); - printf(" %10lu ACK packets\n",s.tcps_rcvackpack); - printf(" %10lu bytes ACKed by received ACKs\n",s.tcps_rcvackbyte); - printf(" %10lu window update packets\n",s.tcps_rcvwinupd); - printf(" %10lu segments dropped due to PAWS\n",s.tcps_pawsdrop); - printf(" %10lu times header predict ok for ACKs\n",s.tcps_predack); - printf(" %10lu times header predict ok for data packets\n",s.tcps_preddat); - printf(" %10lu PCB cache misses\n",s.tcps_pcbcachemiss); - printf(" %10lu times cached RTT in route updated\n",s.tcps_cachedrtt); - printf(" %10lu times cached RTTVAR updated\n",s.tcps_cachedrttvar); - printf(" %10lu times ssthresh updated\n",s.tcps_cachedssthresh); - printf(" %10lu times RTT initialized from route\n",s.tcps_usedrtt); - printf(" %10lu times RTTVAR initialized from route\n",s.tcps_usedrttvar); - printf(" %10lu times ssthresh initialized from route\n",s.tcps_usedssthresh); - printf(" %10lu timeout in persist state\n",s.tcps_persistdrop); - printf(" %10lu bogus SYN, e.g. premature ACK\n",s.tcps_badsyn); - printf(" %10lu resends due to MTU discovery\n",s.tcps_mturesent); - printf(" %10lu listen queue overflows\n",s.tcps_listendrop); + printf(" %10lu total packets received\n", s.tcps_rcvtotal); + printf(" %10lu packets in sequence\n", s.tcps_rcvpack); + printf(" %10lu bytes in sequence\n", s.tcps_rcvbyte); + printf(" %10lu packets with bad checksum\n", s.tcps_rcvbadsum); + printf(" %10lu packets with bad offset\n", s.tcps_rcvbadoff); + printf(" %10lu packets too short\n", s.tcps_rcvshort); + printf(" %10lu duplicate-only packets\n", s.tcps_rcvduppack); + printf(" %10lu duplicate-only bytes\n", s.tcps_rcvdupbyte); + printf(" %10lu packets with some duplicate data\n", + s.tcps_rcvpartduppack); + printf(" %10lu duplicate bytes in partially dup. packets\n", + s.tcps_rcvpartdupbyte); + printf(" %10lu out-of-order packets\n", s.tcps_rcvoopack); + printf(" %10lu out-of-order bytes\n", s.tcps_rcvoobyte); + printf(" %10lu packets with data after window\n", + s.tcps_rcvpackafterwin); + printf(" %10lu bytes received after window\n", + s.tcps_rcvbyteafterwin); + printf(" %10lu packets received after 'close'\n", + s.tcps_rcvafterclose); + printf(" %10lu window probe packets\n", s.tcps_rcvwinprobe); + printf(" %10lu duplicate ACKs\n", s.tcps_rcvdupack); + printf(" %10lu ACKs for unsent data\n", s.tcps_rcvacktoomuch); + printf(" %10lu ACK packets\n", s.tcps_rcvackpack); + printf(" %10lu bytes ACKed by received ACKs\n", s.tcps_rcvackbyte); + printf(" %10lu window update packets\n", s.tcps_rcvwinupd); + printf(" %10lu segments dropped due to PAWS\n", s.tcps_pawsdrop); + printf(" %10lu times header predict ok for ACKs\n", s.tcps_predack); + printf(" %10lu times header predict ok for data packets\n", + s.tcps_preddat); + printf(" %10lu PCB cache misses\n", s.tcps_pcbcachemiss); + printf(" %10lu times cached RTT in route updated\n", + s.tcps_cachedrtt); + printf(" %10lu times cached RTTVAR updated\n", s.tcps_cachedrttvar); + printf(" %10lu times ssthresh updated\n", s.tcps_cachedssthresh); + printf(" %10lu times RTT initialized from route\n", s.tcps_usedrtt); + printf(" %10lu times RTTVAR initialized from route\n", + s.tcps_usedrttvar); + printf(" %10lu times ssthresh initialized from route\n", + s.tcps_usedssthresh); + printf(" %10lu timeout in persist state\n", s.tcps_persistdrop); + printf(" %10lu bogus SYN, e.g. premature ACK\n", s.tcps_badsyn); + printf(" %10lu resends due to MTU discovery\n", s.tcps_mturesent); + printf(" %10lu listen queue overflows\n", s.tcps_listendrop); #endif } print_udp_stats() { - int mib[4],len; - struct udpstat s; - - mib[0]=CTL_NET; - mib[1]=PF_INET; - mib[2]=IPPROTO_UDP; - mib[3]=UDPCTL_STATS; - len=sizeof(struct udpstat); - if(sysctl(mib,4,&s,&len,NULL,0)<0) { + int mib[4]; + int len; + struct udpstat s; + + mib[0] = CTL_NET; + mib[1] = PF_INET; + mib[2] = IPPROTO_UDP; + mib[3] = UDPCTL_STATS; + len = sizeof(struct udpstat); + if (sysctl(mib, 4, &s, &len, NULL, 0) < 0) { perror("sysctl"); - return(-1); + return (-1); } printf("\nUDP statistics:\n"); printf("---------------\n"); printf("* Packets received:\n"); - printf(" %10lu total input packets\n",s.udps_ipackets); - printf(" %10lu packets shorter than header (dropped)\n",s.udps_hdrops); - printf(" %10lu bad checksum\n",s.udps_badsum); - printf(" %10lu data length larger than packet\n",s.udps_badlen); - printf(" %10lu no socket on specified port\n",s.udps_noport); - printf(" %10lu of above, arrived as broadcast\n",s.udps_noportbcast); - printf(" %10lu not delivered, input socket full\n",s.udps_fullsock); - printf(" %10lu packets missing PCB cache\n",s.udpps_pcbcachemiss); - printf(" %10lu packets not for hashed PCBs\n",s.udpps_pcbhashmiss); + printf(" %10lu total input packets\n", s.udps_ipackets); + printf(" %10lu packets shorter than header (dropped)\n", + s.udps_hdrops); + printf(" %10lu bad checksum\n", s.udps_badsum); + printf(" %10lu data length larger than packet\n", s.udps_badlen); + printf(" %10lu no socket on specified port\n", s.udps_noport); + printf(" %10lu of above, arrived as broadcast\n", s.udps_noportbcast); + printf(" %10lu not delivered, input socket full\n", s.udps_fullsock); + printf(" %10lu packets missing PCB cache\n", s.udpps_pcbcachemiss); + printf(" %10lu packets not for hashed PCBs\n", s.udpps_pcbhashmiss); printf("* Packets sent:\n"); - printf(" %10lu total output packets\n",s.udps_opackets); + printf(" %10lu total output packets\n", s.udps_opackets); #if __FreeBSD_version > 300001 - printf(" %10lu output packets on fast path\n",s.udps_fastout); + printf(" %10lu output packets on fast path\n", s.udps_fastout); #endif } -char *icmp_names[]={ +char *icmp_names[] = { "echo reply", "#1", "#2", @@ -599,65 +633,74 @@ char *icmp_names[]={ print_icmp_stats() { - int mib[4],len,i; - struct icmpstat s; - - mib[0]=CTL_NET; - mib[1]=PF_INET; - mib[2]=IPPROTO_ICMP; - mib[3]=ICMPCTL_STATS; - len=sizeof(struct icmpstat); - if(sysctl(mib,4,&s,&len,NULL,0)<0) { + int mib[4]; + int len; + int i; + struct icmpstat s; + + mib[0] = CTL_NET; + mib[1] = PF_INET; + mib[2] = IPPROTO_ICMP; + mib[3] = ICMPCTL_STATS; + len = sizeof(struct icmpstat); + if (sysctl(mib, 4, &s, &len, NULL, 0) < 0) { perror("sysctl"); - return(-1); + return (-1); } printf("\nICMP statistics:\n"); printf("----------------\n"); printf("* Output histogram:\n"); - for(i=0;i<(ICMP_MAXTYPE+1);i++) { - if(s.icps_outhist[i]>0) + for (i = 0; i < (ICMP_MAXTYPE + 1); i++) { + if (s.icps_outhist[i] > 0) printf("\t%10lu %s\n", - s.icps_outhist[i],icmp_names[i]); + s.icps_outhist[i], icmp_names[i]); } printf("* Input histogram:\n"); - for(i=0;i<(ICMP_MAXTYPE+1);i++) { - if(s.icps_inhist[i]>0) + for (i = 0; i < (ICMP_MAXTYPE + 1); i++) { + if (s.icps_inhist[i] > 0) printf("\t%10lu %s\n", - s.icps_inhist[i],icmp_names[i]); + s.icps_inhist[i], icmp_names[i]); } printf("* Other stats:\n"); - printf(" %10lu calls to icmp_error\n",s.icps_error); - printf(" %10lu no error 'cuz old ip too short\n",s.icps_oldshort); - printf(" %10lu no error 'cuz old was icmp\n",s.icps_oldicmp); - - printf(" %10lu icmp code out of range\n",s.icps_badcode); - printf(" %10lu packets shorter than min length\n",s.icps_tooshort); - printf(" %10lu bad checksum\n",s.icps_checksum); - printf(" %10lu calculated bound mismatch\n",s.icps_badlen); - printf(" %10lu number of responses\n",s.icps_reflect); - printf(" %10lu broad/multi-cast echo requests dropped\n",s.icps_bmcastecho); - printf(" %10lu broad/multi-cast timestamp requests dropped\n",s.icps_bmcasttstamp); + printf(" %10lu calls to icmp_error\n", s.icps_error); + printf(" %10lu no error 'cuz old ip too short\n", s.icps_oldshort); + printf(" %10lu no error 'cuz old was icmp\n", s.icps_oldicmp); + + printf(" %10lu icmp code out of range\n", s.icps_badcode); + printf(" %10lu packets shorter than min length\n", s.icps_tooshort); + printf(" %10lu bad checksum\n", s.icps_checksum); + printf(" %10lu calculated bound mismatch\n", s.icps_badlen); + printf(" %10lu number of responses\n", s.icps_reflect); + printf(" %10lu broad/multi-cast echo requests dropped\n", + s.icps_bmcastecho); + printf(" %10lu broad/multi-cast timestamp requests dropped\n", + s.icps_bmcasttstamp); } int stats(char *proto) { if (!sflag) - return 0 ; - if(pflag) { - if(proto==NULL) { - fprintf(stderr,"Option '-p' requires paramter.\n"); + return 0; + if (pflag) { + if (proto == NULL) { + fprintf(stderr, "Option '-p' requires paramter.\n"); usage(); exit(-1); } - if(strcmp(proto,"ip")==0) print_ip_stats(); - if(strcmp(proto,"icmp")==0) print_icmp_stats(); - if(strcmp(proto,"udp")==0) print_udp_stats(); - if(strcmp(proto,"tcp")==0) print_tcp_stats(); + if (strcmp(proto, "ip") == 0) + print_ip_stats(); + if (strcmp(proto, "icmp") == 0) + print_icmp_stats(); + if (strcmp(proto, "udp") == 0) + print_udp_stats(); + if (strcmp(proto, "tcp") == 0) + print_tcp_stats(); #ifdef BRIDGING - if(strcmp(proto,"bdg")==0) print_bdg_stats(); + if (strcmp(proto, "bdg") == 0) + print_bdg_stats(); #endif - return(0); + return (0); } print_ip_stats(); print_icmp_stats(); @@ -666,21 +709,21 @@ stats(char *proto) #ifdef BRIDGING print_bdg_stats(); #endif - return(0); + return (0); } int main(int argc, char *argv[]) { - char c; - char *proto=NULL; + char c; + char *proto = NULL; - progname=argv[0]; + progname = argv[0]; - while((c=getopt(argc,argv,"inrsp:w:"))!=-1) { - switch(c) { + while ((c = getopt(argc, argv, "inrsp:w:")) != -1) { + switch (c) { case 'w': - wflag = atoi(optarg) ; + wflag = atoi(optarg); break; case 'n': /* ignored, just for compatibility with std netstat */ break; @@ -692,12 +735,12 @@ main(int argc, char *argv[]) break; case 's': sflag++; - rflag=0; + rflag = 0; break; case 'p': pflag++; sflag++; - proto=optarg; + proto = optarg; break; case '?': default: @@ -707,61 +750,66 @@ main(int argc, char *argv[]) } } if (rflag == 0 && sflag == 0 && iflag == 0) - rflag = 1 ; - argc-=optind; - if(argc>0) { + rflag = 1; + argc -= optind; + + if (argc > 0) { usage(); exit(-1); } if (wflag) - printf("\033[H\033[J"); + printf("\033[H\033[J"); again: if (wflag) { - struct timeval t ; - gettimeofday ( &t, NULL); - printf("\033[H%s", ctime(& t.tv_sec)); + struct timeval t; + + gettimeofday(&t, NULL); + printf("\033[H%s", ctime(&t.tv_sec)); } print_routing(proto); stats(proto); if (wflag) { sleep(wflag); - goto again ; + goto again; } exit(0); } #ifdef BRIDGING +/* print bridge statistics */ int -print_bdg_stats() /* print bridge statistics */ +print_bdg_stats() { - int i, slen ; - struct bdg_stats s ; - int mib[4] ; - - slen = sizeof(s); - - mib[0] = CTL_NET ; - mib[1] = PF_LINK ; - mib[2] = IFT_ETHER ; - mib[3] = PF_BDG ; - if (sysctl(mib,4, &s,&slen,NULL,0)==-1) { - return 0 ; /* no bridging */ - } - printf("-- Bridging statistics --\n") ; - printf( -"Name In Out Forward Drop Bcast Mcast Local Unknown\n"); - for (i = 0 ; i < 16 ; i++) { - if (s.s[i].name[0]) - printf("%-6s %9d%9d%9d%9d%9d%9d%9d%9d\n", - s.s[i].name, - s.s[i].p_in[(int)BDG_IN], - s.s[i].p_in[(int)BDG_OUT], - s.s[i].p_in[(int)BDG_FORWARD], - s.s[i].p_in[(int)BDG_DROP], - s.s[i].p_in[(int)BDG_BCAST], - s.s[i].p_in[(int)BDG_MCAST], - s.s[i].p_in[(int)BDG_LOCAL], - s.s[i].p_in[(int)BDG_UNKNOWN] ); - } + int i; + int mib[4]; + int slen; + struct bdg_stats s; + + slen = sizeof(s); + + mib[0] = CTL_NET; + mib[1] = PF_LINK; + mib[2] = IFT_ETHER; + mib[3] = PF_BDG; + if (sysctl(mib, 4, &s, &slen, NULL, 0) == -1) { + return 0; /* no bridging */ + } + printf("-- Bridging statistics --\n"); + printf( + "Name In Out Forward Drop Bcast" + "Mcast Local Unknown\n"); + for (i = 0; i < 16; i++) { + if (s.s[i].name[0]) + printf("%-6s %9d%9d%9d%9d%9d%9d%9d%9d\n", + s.s[i].name, + s.s[i].p_in[(int)BDG_IN], + s.s[i].p_in[(int)BDG_OUT], + s.s[i].p_in[(int)BDG_FORWARD], + s.s[i].p_in[(int)BDG_DROP], + s.s[i].p_in[(int)BDG_BCAST], + s.s[i].p_in[(int)BDG_MCAST], + s.s[i].p_in[(int)BDG_LOCAL], + s.s[i].p_in[(int)BDG_UNKNOWN]); + } } #endif |