diff options
| -rw-r--r-- | toys/pending/netstat.c | 658 |
1 files changed, 658 insertions, 0 deletions
diff --git a/toys/pending/netstat.c b/toys/pending/netstat.c new file mode 100644 index 00000000..a246e93a --- /dev/null +++ b/toys/pending/netstat.c @@ -0,0 +1,658 @@ +/* netstat.c - Display Linux networking subsystem. + * + * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com> + * + * Not in SUSv4. + * +USE_NETSTAT(NEWTOY(netstat, "pWrxwutneal", TOYFLAG_BIN)) +config NETSTAT + bool "netstat" + default n + help + usage: netstat [-pWrxwutneal] + + Display networking information. + + -r Display routing table. + -a Display all sockets (Default: Connected). + -l Display listening server sockets. + -t Display TCP sockets. + -u Display UDP sockets. + -w Display Raw sockets. + -x Display Unix sockets. + -e Display other/more information. + -n Don't resolve names. + -W Wide Display. + -p Display PID/Program name for sockets. +*/ + +#define FOR_netstat +#include "toys.h" +#include "toynet.h" +#include <net/route.h> + +typedef union _iaddr { + unsigned u; + unsigned char b[4]; +} iaddr; + +typedef union _iaddr6 { + struct { + unsigned a; + unsigned b; + unsigned c; + unsigned d; + } u; + unsigned char b[16]; +} iaddr6; + +#define ADDR_LEN (INET6_ADDRSTRLEN + 1 + 5 + 1) //IPv6 addr len + : + port + '\0' + +//For unix states +enum { + SOCK_ACCEPTCON = (1 << 16), //performed a listen. + SOCK_WAIT_DATA = (1 << 17), //wait data to read. + SOCK_NO_SPACE = (1 << 18), //no space to write. +}; + +#define SOCK_NOT_CONNECTED 1 +//For PID/Progrma Name +#define PROGRAM_NAME "PID/Program Name" +#define PROGNAME_LEN 21 + +typedef struct _pidlist { + struct _pidlist *next; + long inode; + char name[PROGNAME_LEN]; +} PID_LIST; +PID_LIST *pid_list = NULL; + +/* + * Get base name from the input name. + */ +static const char *get_basename(char *name) +{ + const char *c = strrchr(name, '/'); + if (c) return c + 1; + return name; +} +/* + * copy string from src to dest -> only number of bytes. + */ +static char *safe_strncpy(char *dst, char *src, size_t size) +{ + if(!size) return dst; + dst[--size] = '\0'; + return strncpy(dst, src, size); +} + +/* + * locate character in string. + */ +static char *strchr_nul(char *s, int c) +{ + while(*s != '\0' && *s != c) s++; + return (char*)s; +} + +// Find out if the last character of a string matches with the given one. +// Don't underrun the buffer if the string length is 0. +static char *find_last_char(char *str, int c) +{ + if (str && *str) { + size_t sz = strlen(str) - 1; + str += sz; + if ( (unsigned char)*str == c) return (char*)str; + } + return NULL; +} +/* + * Concat path and the file name. + */ +static char *append_pathandfile(char *path, char *fname) +{ + char *c; + if (!path) path = ""; + c = find_last_char(path, '/'); + while (*fname == '/') fname++; + return xmsprintf("%s%s%s", path, (c)? "" : "/", fname); +} +/* + * Concat sub-path and the file name. + */ +static char *append_subpathandfile(char *path, char *fname) +{ +#define ISDOTORDOTDOT(s) ((s)[0] == '.' && (!(s)[1] || ((s)[1] == '.' && !(s)[2]))) + if(!fname) return NULL; + if(ISDOTORDOTDOT(fname)) return NULL; + return append_pathandfile(path, fname); +#undef ISDOTORDOTDOT +} +/* + * used to converts string into int and validate the input str for invalid int value or out-of-range. + */ +static unsigned get_strtou(char *str, char **endp, int base) +{ + unsigned long uli; + char *endptr; + + if (!isalnum(str[0])) { + errno = ERANGE; + return UINT_MAX; + } + errno = 0; + uli = strtoul(str, &endptr, base); + if (uli > UINT_MAX) { + errno = ERANGE; + return UINT_MAX; + } + + if (endp) *endp = endptr; + if (endptr[0]) { + if (isalnum(endptr[0]) || errno) { //"123abc" or out-of-range + errno = ERANGE; + return UINT_MAX; + } + errno = EINVAL; + } + return uli; +} +/* + * used to retrive pid name from pid list. + */ +static const char *get_pid_name(unsigned long inode) +{ + PID_LIST *tmp; + for (tmp = pid_list; tmp; tmp = tmp->next) + if (tmp->inode == inode) return tmp->name; + return "-"; +} +/* + * For TCP/UDP/RAW display data. + */ +static void display_data(unsigned rport, char *label, unsigned rxq, unsigned txq, char *lip, char *rip, unsigned state, unsigned long inode) +{ + char *ss_state = "UNKNOWN"; + char *state_label[] = {"", "ESTABLISHED", "SYN_SENT", "SYN_RECV", "FIN_WAIT1", "FIN_WAIT2", + "TIME_WAIT", "CLOSE", "CLOSE_WAIT", "LAST_ACK", "LISTEN", "CLOSING", "UNKNOWN"}; + if (!strcmp(label, "tcp")) { + int sz = ARRAY_LEN(state_label); + if (!state || state >= sz) state = sz-1; + ss_state = state_label[state]; + } + else if (!strcmp(label, "udp")) { + if (state == 1) ss_state = state_label[state]; + else if (state == 7) ss_state = ""; + } + else if (!strcmp(label, "raw")) ss_state = itoa(state); + + if ( (toys.optflags & FLAG_W) && (toys.optflags & FLAG_p)) + xprintf("%3s %6d %6d %-51s %-51s %-12s%s\n", label, rxq, txq, lip, rip, ss_state, get_pid_name(inode)); + else if (toys.optflags & FLAG_W) + xprintf("%3s %6d %6d %-51s %-51s %-12s\n", label, rxq, txq, lip, rip, ss_state); + else if (toys.optflags & FLAG_p) + xprintf("%3s %6d %6d %-23s %-23s %-12s%s\n", label, rxq, txq, lip, rip, ss_state, get_pid_name(inode)); + else xprintf("%3s %6d %6d %-23s %-23s %-12s\n", label, rxq, txq, lip, rip, ss_state); +} +/* + * For TCP/UDP/RAW show data. + */ +static void show_data(unsigned rport, char *label, unsigned rxq, unsigned txq, char *lip, char *rip, unsigned state, unsigned long inode) +{ + if (toys.optflags & FLAG_l) { + if (!rport && (state && 0xA)) display_data(rport, label, rxq, txq, lip, rip, state, inode); + } else if (toys.optflags & FLAG_a) display_data(rport, label, rxq, txq, lip, rip, state, inode); + //rport && (TCP | UDP | RAW) + else if (rport && (0x10 | 0x20 | 0x40)) display_data(rport, label, rxq, txq, lip, rip, state, inode); +} +/* + * used to get service name. + */ +static char *get_servname(int port, char *label) +{ + int lport = htons(port); + if (!lport) return xmsprintf("%s", "*"); + struct servent *ser = getservbyport(lport, label); + if (ser) return xmsprintf("%s", ser->s_name); + return xmsprintf("%s", itoa(ntohs(lport))); +} +/* + * used to convert address into text format. + */ +static void addr2str(int af, void *addr, unsigned port, char *buf, char *label) +{ + char ip[ADDR_LEN] = {0,}; + if (!inet_ntop(af, addr, ip, ADDR_LEN)) { + *buf = '\0'; + return; + } + size_t iplen = strlen(ip); + if (!port) { + strncat(ip+iplen, ":*", ADDR_LEN-iplen-1); + memcpy(buf, ip, ADDR_LEN); + return; + } + + if (!(toys.optflags & FLAG_n)) { + struct addrinfo hints, *result, *rp; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = af; + + if (!getaddrinfo(ip, NULL, &hints, &result)) { + char hbuf[NI_MAXHOST] = {0,}, sbuf[NI_MAXSERV] = {0,}; + socklen_t sock_len; + char *sname = NULL; + int plen = 0; + + if (af == AF_INET) sock_len = sizeof(struct sockaddr_in); + else sock_len = sizeof(struct sockaddr_in6); + + for (rp = result; rp; rp = rp->ai_next) + if (!getnameinfo(rp->ai_addr, sock_len, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICSERV)) + break; + + freeaddrinfo(result); + sname = get_servname(port, label); + plen = strlen(sname); + if (*hbuf) { + memset(ip, 0, ADDR_LEN); + memcpy(ip, hbuf, (ADDR_LEN - plen - 2)); + iplen = strlen(ip); + } + snprintf(ip + iplen, ADDR_LEN-iplen, ":%s", sname); + free(sname); + } + } + else snprintf(ip+iplen, ADDR_LEN-iplen, ":%d", port); + memcpy(buf, ip, ADDR_LEN); +} +/* + * display ipv4 info for TCP/UDP/RAW. + */ +static void show_ipv4(char *fname, char *label) +{ + FILE *fp = fopen((char *)fname, "r"); + if (!fp) { + perror_msg("'%s'", fname); + return; + } + fgets(toybuf, sizeof(toybuf), fp); //skip header. + while (fgets(toybuf, sizeof(toybuf), fp)) { + char lip[ADDR_LEN] = {0,}, rip[ADDR_LEN] = {0,}; + iaddr laddr, raddr; + unsigned lport, rport, state, txq, rxq, num, uid; + unsigned long inode; + + int nitems = sscanf(toybuf, " %d: %x:%x %x:%x %x %x:%x %*X:%*X %*X %d %*d %ld", + &num, &laddr.u, &lport, &raddr.u, &rport, &state, &txq, &rxq, &uid, &inode); + if (nitems == 10) { + addr2str(AF_INET, &laddr, lport, lip, label); + addr2str(AF_INET, &raddr, rport, rip, label); + show_data(rport, label, rxq, txq, lip, rip, state, inode); + } + }//End of While + fclose(fp); +} +/* + * display ipv6 info for TCP/UDP/RAW. + */ +static void show_ipv6(char *fname, char *label) +{ + FILE *fp = fopen((char *)fname, "r"); + if (!fp) { + perror_msg("'%s'", fname); + return; + } + fgets(toybuf, sizeof(toybuf), fp); //skip header. + while (fgets(toybuf, sizeof(toybuf), fp)) { + char lip[ADDR_LEN] = {0,}, rip[ADDR_LEN] = {0,}; + iaddr6 laddr6, raddr6; + unsigned lport, rport, state, txq, rxq, num, uid; + unsigned long inode; + int nitems = sscanf(toybuf, " %d: %8x%8x%8x%8x:%x %8x%8x%8x%8x:%x %x %x:%x %*X:%*X %*X %d %*d %ld", + &num, &laddr6.u.a, &laddr6.u.b, &laddr6.u.c, &laddr6.u.d, &lport, &raddr6.u.a, &raddr6.u.b, + &raddr6.u.c, &raddr6.u.d, &rport, &state, &txq, &rxq, &uid, &inode); + if (nitems == 16) { + addr2str(AF_INET6, &laddr6, lport, lip, label); + addr2str(AF_INET6, &raddr6, rport, rip, label); + show_data(rport, label, rxq, txq, lip, rip, state, inode); + } + }//End of While + fclose(fp); +} +/* + * display unix socket info. + */ +static void show_unix_sockets(char *fname, char *label) +{ + FILE *fp = fopen((char *)fname, "r"); + if (!fp) { + perror_msg("'%s'", fname); + return; + } + fgets(toybuf, sizeof(toybuf), fp); //skip header. + while (fgets(toybuf, sizeof(toybuf), fp)) { + unsigned long int refcount, label, flags, inode; + int nitems = 0, path_offset = 0, type, state; + char sock_flags[32] = {0,}, *sock_type, *sock_state, *bptr = toybuf; + + if (!toybuf[0]) continue; + nitems = sscanf(toybuf, "%*p: %lX %lX %lX %X %X %lu %n", + &refcount, &label, &flags, &type, &state, &inode, &path_offset); + //for state one less + if (nitems < 6) break; + if (toys.optflags & FLAG_l) { + if ( !((state == SOCK_NOT_CONNECTED) && (flags & SOCK_ACCEPTCON)) ) continue; + } else if (!(toys.optflags & FLAG_a)) { + if ((state == SOCK_NOT_CONNECTED) && (flags & SOCK_ACCEPTCON)) continue; + } + + //prepare socket type, state and flags. + { + char *ss_type[] = { "", "STREAM", "DGRAM", "RAW", "RDM", "SEQPACKET", "UNKNOWN"}; + char *ss_state[] = { "FREE", "LISTENING", "CONNECTING", "CONNECTED", "DISCONNECTING", "UNKNOWN"}; + + int sz = ARRAY_LEN(ss_type);//sizeof(ss_type)/sizeof(ss_type[0]); + if ( (type < SOCK_STREAM) || (type > SOCK_SEQPACKET) ) sock_type = ss_type[sz-1]; + else sock_type = ss_type[type]; + + sz = ARRAY_LEN(ss_state);//sizeof(ss_state)/sizeof(ss_state[0]); + if ((state < 0) || (state > sz-2)) sock_state = ss_state[sz-1]; + else if (state == SOCK_NOT_CONNECTED) { + if (flags & SOCK_ACCEPTCON) sock_state = ss_state[state]; + else sock_state = " "; + } else sock_state = ss_state[state]; + + strcpy(sock_flags, "[ "); + if (flags & SOCK_ACCEPTCON) strcat(sock_flags, "ACC "); + if (flags & SOCK_WAIT_DATA) strcat(sock_flags, "W "); + if (flags & SOCK_NO_SPACE) strcat(sock_flags, "N "); + strcat(sock_flags, "]"); + } + xprintf("%-5s %-6ld %-11s %-10s %-13s %6lu ", (!label ? "unix" : "??"), refcount, sock_flags, sock_type, sock_state, inode); + if (toys.optflags & FLAG_p) xprintf("%-20s", get_pid_name(inode)); + + bptr += path_offset; + *strchr_nul(bptr, '\n') = '\0'; + xprintf("%s\n", bptr); + }//End of while + fclose(fp); +} +/* + * extract inode value from the link. + */ +static long ss_inode(char *link) +{ + long inode = -1; + //"link = socket:[12345]", get "12345" as inode. + if (!strncmp(link, "socket:[", sizeof("socket:[")-1)) { + inode = get_strtou(link + sizeof("socket:[")-1, (char**)&link, 0); + if (*link != ']') inode = -1; + } + //"link = [0000]:12345", get "12345" as inode. + else if (!strncmp(link, "[0000]:", sizeof("[0000]:")-1)) { + inode = get_strtou(link + sizeof("[0000]:")-1, NULL, 0); + //if not NULL terminated. + if (errno) inode = -1; + } + return inode; +} +/* + * add inode and progname in the pid list. + */ +static void add2list(long inode, char *progname) +{ + PID_LIST *node = pid_list; + for(; node; node = node->next) { + if(node->inode == inode) + return; + } + PID_LIST *new = (PID_LIST *)xzalloc(sizeof(PID_LIST)); + new->inode = inode; + safe_strncpy(new->name, progname, PROGNAME_LEN-1); + new->next = pid_list; + pid_list = new; +} +/* + * add pid info in the list. + */ +static void extract_inode(char *path, char *progname) +{ + DIR *dp; + struct dirent *entry; + + if (!(dp = opendir(path))) { + if (errno == EACCES) return; + else perror_exit("%s", path); + } + while ((entry = readdir(dp))) { + char *link = NULL, *fname = append_subpathandfile(path, entry->d_name); + if (!fname) continue; + link = xreadlink(fname); + if (link) { + long inode = ss_inode(link); + free(link); + if (inode != -1) add2list(inode, progname); + } + free(fname); + }//end of while. + closedir(dp); +} +/* + * prepare the list for all pids in /proc directory. + */ +static void get_pid_list(void) +{ + DIR *dp; + struct dirent *entry; + char path[64] = {0,}; + uid_t uid = geteuid(); + + if (!(dp = opendir("/proc"))) perror_exit("opendir"); + + while ((entry = readdir(dp))) { + int fd, nitems = 0, length = 0; + char *pid, *progname; + + if (!isdigit(*entry->d_name)) continue; + pid = entry->d_name; + length = snprintf(path, sizeof(path), "/proc/%s/cmdline", entry->d_name); + if (sizeof(path) <= length) continue; + + fd = xopen(path, O_RDONLY); + nitems = readall(fd, toybuf, sizeof(toybuf) - 1); + xclose(fd); + if (nitems < 1) continue; + toybuf[nitems] = '\0'; + strcpy(path + length - (sizeof("cmdline")-1), "fd"); + progname = append_pathandfile(pid, (char *)get_basename(toybuf)); //e.g. progname = 2054/gnome-keyring-daemon + extract_inode(path, progname); + }//end of while. + closedir(dp); + + if (uid) fprintf(stderr, "(Not all processes could be identified, non-owned process info " + "will not be shown, you would have to be root to see it all.)\n"); +} +/* + * Dealloc pid list. + */ +static void clean_pid_list(void) +{ + PID_LIST *tmp; + while (pid_list) { + tmp = pid_list->next; + free(pid_list); + pid_list = tmp; + } +} +/* + * For TCP/UDP/RAW show the header. + */ +static void show_header(void) +{ + if ((toys.optflags & FLAG_W) && (toys.optflags & FLAG_p)) + xprintf("\nProto Recv-Q Send-Q %-51s %-51s %-12s%s\n", "Local Address", "Foreign Address", "State", PROGRAM_NAME); + else if (toys.optflags & FLAG_p) + xprintf("\nProto Recv-Q Send-Q %-23s %-23s %-12s%s\n", "Local Address", "Foreign Address", "State", PROGRAM_NAME); + else if (toys.optflags & FLAG_W) + xprintf("\nProto Recv-Q Send-Q %-51s %-51s State \n", "Local Address", "Foreign Address"); + else xprintf("\nProto Recv-Q Send-Q %-23s %-23s State \n", "Local Address", "Foreign Address"); +} +/* + * used to get the flag values for route command. + */ +static void get_flag_value(char **flagstr, int flags) +{ + int i = 0; + char *str = *flagstr; + static const char flagchars[] = "GHRDMDAC"; + static const unsigned flagarray[] = { + RTF_GATEWAY, + RTF_HOST, + RTF_REINSTATE, + RTF_DYNAMIC, + RTF_MODIFIED, + RTF_DEFAULT, + RTF_ADDRCONF, + RTF_CACHE + }; + *str++ = 'U'; + while ( (*str = flagchars[i]) ) { + if (flags & flagarray[i++]) ++str; + } +} +/* + * extract inet4 route info from /proc/net/route file and display it. + */ +static void display_routes(int is_more_info, int notresolve) +{ +#define IPV4_MASK (RTF_GATEWAY|RTF_HOST|RTF_REINSTATE|RTF_DYNAMIC|RTF_MODIFIED) + unsigned long dest, gate, mask; + int flags, ref, use, metric, mss, win, irtt; + char iface[64]={0,}; + char *flag_val = xzalloc(10); //there are 9 flags "UGHRDMDAC" for route. + + FILE *fp = xfopen("/proc/net/route", "r"); + xprintf("Kernel IP routing table\n" + "Destination Gateway Genmask Flags %s Iface\n", + is_more_info ? " MSS Window irtt" : "Metric Ref Use"); + fgets(toybuf, sizeof(toybuf), fp); //skip 1st line. + while (fgets(toybuf, sizeof(toybuf), fp)) { + int nitems = 0; + char *destip = NULL, *gateip = NULL, *maskip = NULL; + memset(flag_val, 0, 10); + + nitems = sscanf(toybuf, "%63s%lx%lx%X%d%d%d%lx%d%d%d\n", + iface, &dest, &gate, &flags, &ref, &use, &metric, &mask, &mss, &win, &irtt); + if (nitems != 11) {//EOF with no (nonspace) chars read. + if ((nitems < 0) && feof(fp)) break; + perror_exit("sscanf"); + } + //skip down interfaces. + if (!(flags & RTF_UP)) continue; + + if (dest) {//For Destination + if (inet_ntop(AF_INET, &dest, toybuf, sizeof(toybuf)) ) destip = xstrdup(toybuf); + } else { + if (!notresolve) destip = xstrdup("default"); + else destip = xstrdup("0.0.0.0"); + } + if (gate) {//For Gateway + if (inet_ntop(AF_INET, &gate, toybuf, sizeof(toybuf)) ) gateip = xstrdup(toybuf); + } else { + if (!notresolve) gateip = xstrdup("*"); + else gateip = xstrdup("0.0.0.0"); + } + //For Mask + if (inet_ntop(AF_INET, &mask, toybuf, sizeof(toybuf)) ) maskip = xstrdup(toybuf); + + //Get flag Values + get_flag_value(&flag_val, (flags & IPV4_MASK)); + if (flags & RTF_REJECT) flag_val[0] = '!'; + xprintf("%-15.15s %-15.15s %-16s%-6s", destip, gateip, maskip, flag_val); + if (destip) free(destip); + if (gateip) free(gateip); + if (maskip) free(maskip); + if (is_more_info) xprintf("%5d %-5d %6d %s\n", mss, win, irtt, iface); + else xprintf("%-6d %-2d %7d %s\n", metric, ref, use, iface); + }//end of while. + fclose(fp); + if (flag_val) free(flag_val); +#undef IPV4_MASK + return; +} +/* + * netstat utily main function. + */ +void netstat_main(void) +{ +#define IS_NETSTAT_PROTO_FLAGS_UP (toys.optflags & (FLAG_t | FLAG_u | FLAG_w | FLAG_x)) + int flag_listen_and_all = 0; + if (!toys.optflags) toys.optflags = FLAG_t | FLAG_u | FLAG_w | FLAG_x; + + //When a is set + if (toys.optflags & FLAG_a) flag_listen_and_all = 1; + //when a and l both are set + if ( (toys.optflags & FLAG_a) && (toys.optflags & FLAG_l) ) + toys.optflags &= ~FLAG_l; + //when only a is set + if ( (toys.optflags & FLAG_a) && (!IS_NETSTAT_PROTO_FLAGS_UP) ) + toys.optflags |= FLAG_t | FLAG_u | FLAG_w | FLAG_x; + //when only l is set + if ( (toys.optflags & FLAG_l) && (!IS_NETSTAT_PROTO_FLAGS_UP) ) + toys.optflags |= FLAG_t | FLAG_u | FLAG_w | FLAG_x; + //when only e/n is set + if( ((toys.optflags & FLAG_e) || (toys.optflags & FLAG_n)) && (!IS_NETSTAT_PROTO_FLAGS_UP) ) + toys.optflags |= FLAG_t | FLAG_u | FLAG_w | FLAG_x; + //when W is set + if ( (toys.optflags & FLAG_W) && (!IS_NETSTAT_PROTO_FLAGS_UP) ) + toys.optflags |= FLAG_t | FLAG_u | FLAG_w | FLAG_x; + //when p is set + if ( (toys.optflags & FLAG_p) && (!IS_NETSTAT_PROTO_FLAGS_UP) ) + toys.optflags |= FLAG_t | FLAG_u | FLAG_w | FLAG_x; + + //Display routing table. + if (toys.optflags & FLAG_r) { + display_routes(!(toys.optflags & FLAG_e), (toys.optflags & FLAG_n)); + return; + } + + if (toys.optflags & FLAG_p) get_pid_list(); + + //For TCP/UDP/RAW. + if ( (toys.optflags & FLAG_t) || (toys.optflags & FLAG_u) || (toys.optflags & FLAG_w) ) { + xprintf("Active Internet connections "); + + if (flag_listen_and_all) xprintf("(servers and established)"); + else if (toys.optflags & FLAG_l) xprintf("(only servers)"); + else xprintf("(w/o servers)"); + + show_header(); + if (toys.optflags & FLAG_t) {//For TCP + show_ipv4("/proc/net/tcp", "tcp"); + show_ipv6("/proc/net/tcp6", "tcp"); + } + if (toys.optflags & FLAG_u) {//For UDP + show_ipv4("/proc/net/udp", "udp"); + show_ipv6("/proc/net/udp6", "udp"); + } + if (toys.optflags & FLAG_w) {//For raw + show_ipv4("/proc/net/raw", "raw"); + show_ipv6("/proc/net/raw6", "raw"); + } + } + if (toys.optflags & FLAG_x) {//For UNIX. + xprintf("Active UNIX domain sockets "); + if (flag_listen_and_all) xprintf("(servers and established)"); + else if (toys.optflags & FLAG_l) xprintf("(only servers)"); + else xprintf("(w/o servers)"); + + if (toys.optflags & FLAG_p) xprintf("\nProto RefCnt Flags Type State I-Node %s Path\n", PROGRAM_NAME); + else xprintf("\nProto RefCnt Flags Type State I-Node Path\n"); + show_unix_sockets("/proc/net/unix", "unix"); + } + if (toys.optflags & FLAG_p) clean_pid_list(); + if (toys.exitval) toys.exitval = 0; +#undef IS_NETSTAT_PROTO_FLAGS_UP +} |