diff options
Diffstat (limited to 'toys/other')
-rw-r--r-- | toys/other/ifconfig.c | 517 | ||||
-rw-r--r-- | toys/other/netcat.c | 230 | ||||
-rw-r--r-- | toys/other/rfkill.c | 102 |
3 files changed, 0 insertions, 849 deletions
diff --git a/toys/other/ifconfig.c b/toys/other/ifconfig.c deleted file mode 100644 index 1d2a41dc..00000000 --- a/toys/other/ifconfig.c +++ /dev/null @@ -1,517 +0,0 @@ -/* ifconfig.c - Configure network interface. - * - * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com> - * Copyright 2012 Kyungwan Han <asura321@gamil.com> - * Reviewed by Kyungsu Kim <kaspyx@gmail.com> - * - * Not in SUSv4. - -USE_IFCONFIG(NEWTOY(ifconfig, "^?a", TOYFLAG_SBIN)) - -config IFCONFIG - bool "ifconfig" - default y - help - usage: ifconfig [-a] [INTERFACE [ACTION...]] - - Display or configure network interface. - - With no arguments, display active interfaces. First argument is interface - to operate on, one argument by itself displays that interface. - - -a Show all interfaces, not just active ones - - Additional arguments are actions to perform on the interface: - - ADDRESS[/NETMASK] - set IPv4 address (1.2.3.4/5) - default - unset ipv4 address - add|del ADDRESS[/PREFIXLEN] - add/remove IPv6 address (1111::8888/128) - up - enable interface - down - disable interface - - netmask|broadcast|pointopoint ADDRESS - set more IPv4 characteristics - hw ether|infiniband ADDRESS - set LAN hardware address (AA:BB:CC...) - txqueuelen LEN - number of buffered packets before output blocks - mtu LEN - size of outgoing packets (Maximum Transmission Unit) - - Flags you can set on an interface (or -remove by prefixing with -): - arp - don't use Address Resolution Protocol to map LAN routes - promisc - don't discard packets that aren't to this LAN hardware address - multicast - force interface into multicast mode if the driver doesn't - allmulti - promisc for multicast packets - - Obsolete fields included for historical purposes: - irq|io_addr|mem_start ADDR - micromanage obsolete hardware - outfill|keepalive INTEGER - SLIP analog dialup line quality monitoring - metric INTEGER - added to Linux 0.9.10 with comment "never used", still true -*/ - -#define FOR_ifconfig -#include "toys.h" - -#include <net/if_arp.h> -#include <net/ethernet.h> - -GLOBALS( - int sockfd; -) - -// Convert hostname to binary address for AF_INET or AF_INET6 -// return /prefix (or range max if none) -int get_addrinfo(char *host, sa_family_t af, void *addr) -{ - struct addrinfo hints, *result, *rp = 0; - int status, len; - char *from, *slash; - - memset(&hints, 0 , sizeof(struct addrinfo)); - hints.ai_family = af; - hints.ai_socktype = SOCK_STREAM; - - slash = strchr(host, '/'); - if (slash) *slash = 0; - - status = getaddrinfo(host, NULL, &hints, &result); - if (!status) - for (rp = result; rp; rp = rp->ai_next) - if (rp->ai_family == af) break; - if (!rp) error_exit("bad address '%s' : %s", host, gai_strerror(status)); - - // ai_addr isn't struct in_addr or in6_addr, it's struct sockaddr. Of course. - // You'd think ipv4 and ipv6 would have some basic compatibility, but no. - from = ((char *)rp->ai_addr) + 4; - if (af == AF_INET6) { - len = 16; - from += 4; // skip "flowinfo" field ipv6 puts before address - } else len = 4; - memcpy(addr, from, len); - freeaddrinfo(result); - - len = -1; - if (slash) len = atolx_range(slash+1, 0, (af == AF_INET) ? 32 : 128); - - return len; -} - -static void display_ifconfig(char *name, int always, unsigned long long val[]) -{ - struct ifreq ifre; - struct { - int type; - char *title; - } types[] = { - {ARPHRD_LOOPBACK, "Local Loopback"}, {ARPHRD_ETHER, "Ethernet"}, - {ARPHRD_PPP, "Point-to-Point Protocol"}, {ARPHRD_INFINIBAND, "InfiniBand"}, - {ARPHRD_SIT, "IPv6-in-IPv4"}, {-1, "UNSPEC"} - }; - int i; - char *pp; - FILE *fp; - short flags; - - xstrncpy(ifre.ifr_name, name, IFNAMSIZ); - if (ioctl(TT.sockfd, SIOCGIFFLAGS, &ifre)<0) perror_exit_raw(name); - flags = ifre.ifr_flags; - if (!always && !(flags & IFF_UP)) return; - - // query hardware type and hardware address - i = ioctl(TT.sockfd, SIOCGIFHWADDR, &ifre); - - for (i=0; i < (sizeof(types)/sizeof(*types))-1; i++) - if (ifre.ifr_hwaddr.sa_family == types[i].type) break; - - xprintf("%-9s Link encap:%s ", name, types[i].title); - if(i >= 0 && ifre.ifr_hwaddr.sa_family == ARPHRD_ETHER) { - xprintf("HWaddr "); - for (i=0; i<6; i++) xprintf(":%02x"+!i, ifre.ifr_hwaddr.sa_data[i]); - } - xputc('\n'); - - // If an address is assigned record that. - - ifre.ifr_addr.sa_family = AF_INET; - memset(&ifre.ifr_addr, 0, sizeof(ifre.ifr_addr)); - ioctl(TT.sockfd, SIOCGIFADDR, &ifre); - pp = (char *)&ifre.ifr_addr; - for (i = 0; i<sizeof(ifre.ifr_addr); i++) if (pp[i]) break; - - if (i != sizeof(ifre.ifr_addr)) { - struct sockaddr_in *si = (struct sockaddr_in *)&ifre.ifr_addr; - struct { - char *name; - int flag, ioctl; - } addr[] = { - {"addr", 0, 0}, - {"P-t-P", IFF_POINTOPOINT, SIOCGIFDSTADDR}, - {"Bcast", IFF_BROADCAST, SIOCGIFBRDADDR}, - {"Mask", 0, SIOCGIFNETMASK} - }; - - xprintf("%10c%s", ' ', (si->sin_family == AF_INET) ? "inet" : - (si->sin_family == AF_INET6) ? "inet6" : "unspec"); - - for (i=0; i < sizeof(addr)/sizeof(*addr); i++) { - if (!addr[i].flag || (flags & addr[i].flag)) { - if (addr[i].ioctl && ioctl(TT.sockfd, addr[i].ioctl, &ifre)) - si->sin_family = 0; - xprintf(" %s:%s ", addr[i].name, - (si->sin_family == 0xFFFF || !si->sin_family) - ? "[NOT SET]" : inet_ntoa(si->sin_addr)); - } - } - - xputc('\n'); - } - - fp = fopen(pp = "/proc/net/if_inet6", "r"); - if (fp) { - char iface_name[IFNAMSIZ]; - int plen, iscope; - - while (fgets(toybuf, sizeof(toybuf), fp)) { - int nitems; - char ipv6_addr[40]; - - nitems = sscanf(toybuf, "%32s %*08x %02x %02x %*02x %15s\n", - ipv6_addr, &plen, &iscope, iface_name); - if (nitems<0 && feof(fp)) break; - if (nitems != 4) perror_exit("bad %s", pp); - - if (!strcmp(name, iface_name)) { - struct sockaddr_in6 s6; - char *ptr = ipv6_addr+sizeof(ipv6_addr)-1; - - // convert giant hex string into colon-spearated ipv6 address by - // inserting ':' every 4 characters. - for (i = 32; i; i--) - if ((*(ptr--) = ipv6_addr[i])) if (!(i&3)) *(ptr--) = ':'; - - // Convert to binary and back to get abbreviated :: version - if (inet_pton(AF_INET6, ipv6_addr, (void *)&s6.sin6_addr) > 0) { - if (inet_ntop(AF_INET6, &s6.sin6_addr, toybuf, sizeof(toybuf))) { - char *scopes[] = {"Global","Host","Link","Site","Compat"}, - *scope = "Unknown"; - - for (i=0; i < sizeof(scopes)/sizeof(*scopes); i++) - if (iscope == (!!i)<<(i+3)) scope = scopes[i]; - xprintf("%10cinet6 addr: %s/%d Scope: %s\n", - ' ', toybuf, plen, scope); - } - } - } - } - fclose(fp); - } - - xprintf("%10c", ' '); - - if (flags) { - unsigned short mask = 1; - char **s, *str[] = { - "UP", "BROADCAST", "DEBUG", "LOOPBACK", "POINTOPOINT", "NOTRAILERS", - "RUNNING", "NOARP", "PROMISC", "ALLMULTI", "MASTER", "SLAVE", "MULTICAST", - "PORTSEL", "AUTOMEDIA", "DYNAMIC", NULL - }; - - for (s = str; *s; s++) { - if (flags & mask) xprintf("%s ", *s); - mask = mask << 1; - } - } else xprintf("[NO FLAGS] "); - - if (ioctl(TT.sockfd, SIOCGIFMTU, &ifre) < 0) ifre.ifr_mtu = 0; - xprintf(" MTU:%d", ifre.ifr_mtu); - if (ioctl(TT.sockfd, SIOCGIFMETRIC, &ifre) < 0) ifre.ifr_metric = 0; - if (!ifre.ifr_metric) ifre.ifr_metric = 1; - xprintf(" Metric:%d", ifre.ifr_metric); - - // non-virtual interface - - if (val) { - char *label[] = {"RX bytes", "RX packets", "errors", "dropped", "overruns", - "frame", 0, 0, "TX bytes", "TX packets", "errors", "dropped", "overruns", - "collisions", "carrier", 0, "txqueuelen"}; - signed char order[] = {-1, 1, 2, 3, 4, 5, -1, 9, 10, 11, 12, 14, -1, - 13, 16, -1, 0, 8}; - int i; - - // Query txqueuelen - if (ioctl(TT.sockfd, SIOCGIFTXQLEN, &ifre) >= 0) val[16] = ifre.ifr_qlen; - else val[16] = -1; - - for (i = 0; i < sizeof(order); i++) { - int j = order[i]; - - if (j < 0) xprintf("\n%10c", ' '); - else xprintf("%s:%llu ", label[j], val[j]); - } - } - xputc('\n'); - - if(!ioctl(TT.sockfd, SIOCGIFMAP, &ifre) && (ifre.ifr_map.irq || - ifre.ifr_map.mem_start || ifre.ifr_map.dma || ifre.ifr_map.base_addr)) - { - xprintf("%10c", ' '); - if(ifre.ifr_map.irq) xprintf("Interrupt:%d ", ifre.ifr_map.irq); - if(ifre.ifr_map.base_addr >= 0x100) // IO_MAP_INDEX - xprintf("Base address:0x%x ", ifre.ifr_map.base_addr); - if(ifre.ifr_map.mem_start) - xprintf("Memory:%lx-%lx ", ifre.ifr_map.mem_start, ifre.ifr_map.mem_end); - if(ifre.ifr_map.dma) xprintf("DMA chan:%x ", ifre.ifr_map.dma); - xputc('\n'); - } - xputc('\n'); -} - -static void show_iface(char *iface_name) -{ - char *name; - struct string_list *ifaces = 0, *sl; - int i, j; - FILE *fp; - - fp = xfopen("/proc/net/dev", "r"); - - for (i=0; fgets(toybuf, sizeof(toybuf), fp); i++) { - char *buf = toybuf; - unsigned long long val[17]; - - if (i<2) continue; - - while (isspace(*buf)) buf++; - name = strsep(&buf, ":"); - if(!buf) error_exit("bad name %s", name); - - errno = 0; - for (j=0; j<16 && !errno; j++) val[j] = strtoll(buf, &buf, 0); - if (errno) perror_exit("bad %s at %s", name, buf); - - if (iface_name) { - if (!strcmp(iface_name, name)) { - display_ifconfig(iface_name, 1, val); - - return; - } - } else { - sl = xmalloc(sizeof(*sl)+strlen(name)+1); - strcpy(sl->str, name); - sl->next = ifaces; - ifaces = sl; - - display_ifconfig(sl->str, toys.optflags & FLAG_a, val); - } - } - fclose(fp); - - if (iface_name) display_ifconfig(iface_name, 1, 0); - else { - struct ifconf ifcon; - struct ifreq *ifre; - int num; - - // Loop until buffer's big enough - ifcon.ifc_buf = NULL; - for (num = 30;;num += 10) { - ifcon.ifc_len = sizeof(struct ifreq)*num; - ifcon.ifc_buf = xrealloc(ifcon.ifc_buf, ifcon.ifc_len); - xioctl(TT.sockfd, SIOCGIFCONF, &ifcon); - if (ifcon.ifc_len != sizeof(struct ifreq)*num) break; - } - - ifre = ifcon.ifc_req; - for(num = 0; num < ifcon.ifc_len && ifre; num += sizeof(struct ifreq), ifre++) - { - // Skip duplicates - for(sl = ifaces; sl; sl = sl->next) - if(!strcmp(sl->str, ifre->ifr_name)) break; - - if(!sl) display_ifconfig(ifre->ifr_name, toys.optflags & FLAG_a, 0); - } - - free(ifcon.ifc_buf); - } - - llist_traverse(ifaces, free); -} - -// Encode offset and size of field into an int, and make result negative -#define IFREQ_OFFSZ(x) -(int)((offsetof(struct ifreq, x)<<16) + sizeof(ifre.x)) - -void ifconfig_main(void) -{ - char **argv = toys.optargs; - struct ifreq ifre; - int i; - - TT.sockfd = xsocket(AF_INET, SOCK_DGRAM, 0); - if(toys.optc < 2) { - show_iface(*argv); - return; - } - - // Open interface - memset(&ifre, 0, sizeof(struct ifreq)); - xstrncpy(ifre.ifr_name, *argv, IFNAMSIZ); - - // Perform operations on interface - while(*++argv) { - // Table of known operations - struct argh { - char *name; - int on, off; // set, clear - } try[] = { - {0, IFF_UP|IFF_RUNNING, SIOCSIFADDR}, - {"up", IFF_UP|IFF_RUNNING, 0}, - {"down", 0, IFF_UP}, - {"arp", 0, IFF_NOARP}, - {"promisc", IFF_PROMISC, 0}, - {"allmulti", IFF_ALLMULTI, 0}, - {"multicast", IFF_MULTICAST, 0}, - {"pointopoint", IFF_POINTOPOINT, SIOCSIFDSTADDR}, - {"broadcast", IFF_BROADCAST, SIOCSIFBRDADDR}, - {"netmask", 0, SIOCSIFNETMASK}, - {"dstaddr", 0, SIOCSIFDSTADDR}, - {"mtu", IFREQ_OFFSZ(ifr_mtu), SIOCSIFMTU}, - {"keepalive", IFREQ_OFFSZ(ifr_data), SIOCDEVPRIVATE}, // SIOCSKEEPALIVE - {"outfill", IFREQ_OFFSZ(ifr_data), SIOCDEVPRIVATE+2}, // SIOCSOUTFILL - {"metric", IFREQ_OFFSZ(ifr_metric), SIOCSIFMETRIC}, - {"txqueuelen", IFREQ_OFFSZ(ifr_qlen), SIOCSIFTXQLEN}, - {"mem_start", IFREQ_OFFSZ(ifr_map.mem_start), SIOCSIFMAP}, - {"io_addr", IFREQ_OFFSZ(ifr_map.base_addr), SIOCSIFMAP}, - {"irq", IFREQ_OFFSZ(ifr_map.irq), SIOCSIFMAP}, - {"inet", 0, 0}, - {"inet6", 0, 0} - }; - char *s = *argv; - int rev = (*s == '-'); - - s += rev; - - // "set hardware address" is oddball enough to special case - if (!strcmp(*argv, "hw")) { - char *hw_addr, *ptr, *p; - struct sockaddr *sock = &ifre.ifr_hwaddr; - int count = 6; - - ptr = p = (char *)sock->sa_data; - memset(sock, 0, sizeof(struct sockaddr)); - if (argv[1]) { - if (!strcmp("ether", *++argv)) sock->sa_family = ARPHRD_ETHER; - else if (!strcmp("infiniband", *argv)) { - sock->sa_family = ARPHRD_INFINIBAND; - count = 20; - p = ptr = toybuf; - } - } - if (!sock->sa_family || !argv[1]) help_exit("bad hw '%s'", *argv); - hw_addr = *++argv; - - // Parse and verify address. - while (*hw_addr && (p-ptr) < count) { - int val, len = 0; - - if (*hw_addr == ':') hw_addr++; - sscanf(hw_addr, "%2x%n", &val, &len); - if (!len || len > 2) break; // 1 nibble can be set e.g. C2:79:38:95:D:A - hw_addr += len; - *p++ = val; - } - - if ((p-ptr) != count || *hw_addr) - error_exit("bad hw-addr '%s'", *argv); - - // the linux kernel's "struct sockaddr" (include/linux/socket.h in the - // kernel source) only has 14 bytes of sa_data, and an infiniband address - // is 20. So if we go through the ioctl, the kernel will truncate - // infiniband addresses, meaning we have to go through sysfs instead. - if (sock->sa_family == ARPHRD_INFINIBAND && !strchr(ifre.ifr_name, '/')) { - int fd; - - sprintf(toybuf, "/sys/class/net/%s/address", ifre.ifr_name); - fd = xopen(toybuf, O_RDWR); - xwrite(fd, *argv, strlen(*argv)); - close(fd); - } else xioctl(TT.sockfd, SIOCSIFHWADDR, &ifre); - continue; - - // Add/remove ipv6 address to interface - - } else if (!strcmp(*argv, "add") || !strcmp(*argv, "del")) { - struct ifreq_inet6 { - struct in6_addr addr; - unsigned prefix; - int index; - } ifre6; - int plen, fd6 = xsocket(AF_INET6, SOCK_DGRAM, 0); - - if (!argv[1]) help_exit("%s", *argv); - - plen = get_addrinfo(argv[1], AF_INET6, &ifre6.addr); - if (plen < 0) plen = 128; - xioctl(fd6, SIOCGIFINDEX, &ifre); - ifre6.index = ifre.ifr_ifindex; - ifre6.prefix = plen; - xioctl(fd6, **(argv++)=='a' ? SIOCSIFADDR : SIOCDIFADDR, &ifre6); - - close(fd6); - continue; - // Iterate through table to find/perform operation - } else for (i = 0; i < ARRAY_LEN(try); i++) { - struct argh *t = try+i; - int on = t->on, off = t->off; - - if (!t->name) { - if (isdigit(**argv) || !strcmp(*argv, "default")) argv--; - else continue; - } else if (strcmp(t->name, s)) continue; - - // Is this an SIOCSI entry? - if ((off|0xff) == 0x89ff) { - if (!rev) { - if (!*++argv) error_exit("%s needs argument", t->name); - - // Assign value to ifre field and call ioctl? (via IFREQ_OFFSZ.) - if (on < 0) { - long l = strtoul(*argv, 0, 0); - - if (off == SIOCSIFMAP) xioctl(TT.sockfd, SIOCGIFMAP, &ifre); - on = -on; - poke((on>>16) + (char *)&ifre, l, on&15); - xioctl(TT.sockfd, off, &ifre); - break; - } else { - struct sockaddr_in *si = (struct sockaddr_in *)&ifre.ifr_addr; - int mask = -1; - - si->sin_family = AF_INET; - - if (!strcmp(*argv, "default")) si->sin_addr.s_addr = INADDR_ANY; - else mask = get_addrinfo(*argv, AF_INET, &si->sin_addr); - xioctl(TT.sockfd, off, &ifre); - - // Handle /netmask - if (mask >= 0) { - // sin_addr probably isn't unaligned, but just in case... - mask = htonl((~0)<<(32-mask)); - memcpy(&si->sin_addr, &mask, 4); - xioctl(TT.sockfd, SIOCSIFNETMASK, &ifre); - } - } - } - off = 0; - } - - // Set flags - if (on || off) { - xioctl(TT.sockfd, SIOCGIFFLAGS, &ifre); - ifre.ifr_flags &= ~(rev ? on : off); - ifre.ifr_flags |= (rev ? off : on); - xioctl(TT.sockfd, SIOCSIFFLAGS, &ifre); - } - - break; - } - if (i == sizeof(try)/sizeof(*try)) help_exit("bad argument '%s'", *argv); - } - close(TT.sockfd); -} diff --git a/toys/other/netcat.c b/toys/other/netcat.c deleted file mode 100644 index 1c75eb26..00000000 --- a/toys/other/netcat.c +++ /dev/null @@ -1,230 +0,0 @@ -/* netcat.c - Forward stdin/stdout to a file or network connection. - * - * Copyright 2007 Rob Landley <rob@landley.net> - * - * TODO: udp, ipv6, genericize for telnet/microcom/tail-f - -USE_NETCAT(OLDTOY(nc, netcat, TOYFLAG_USR|TOYFLAG_BIN)) -USE_NETCAT(NEWTOY(netcat, USE_NETCAT_LISTEN("^tlL")"w#p#s:q#f:", TOYFLAG_BIN)) - -config NETCAT - bool "netcat" - default y - help - usage: netcat [-u] [-wpq #] [-s addr] {IPADDR PORTNUM|-f FILENAME} - - -f use FILENAME (ala /dev/ttyS0) instead of network - -p local port number - -q SECONDS quit this many seconds after EOF on stdin. - -s local ipv4 address - -w SECONDS timeout for connection - - Use "stty 115200 -F /dev/ttyS0 && stty raw -echo -ctlecho" with - netcat -f to connect to a serial port. - -config NETCAT_LISTEN - bool "netcat server options (-let)" - default y - depends on NETCAT - depends on TOYBOX_FORK - help - usage: netcat [-lL COMMAND...] - - -l listen for one incoming connection. - -L listen for multiple incoming connections (server mode). - - The command line after -l or -L is executed to handle each incoming - connection. If none, the connection is forwarded to stdin/stdout. - - For a quick-and-dirty server, try something like: - netcat -s 127.0.0.1 -p 1234 -tL /bin/bash -l - -config NETCAT_LISTEN_TTY - bool - default y - depends on NETCAT_LISTEN - depends on TOYBOX_FORK - help - usage: netcat [-t] - - -t allocate tty (must come before -l or -L) -*/ - -#define FOR_netcat -#include "toys.h" - -GLOBALS( - char *filename; // -f read from filename instead of network - long quit_delay; // -q Exit after EOF from stdin after # seconds. - char *source_address; // -s Bind to a specific source address. - long port; // -p Bind to a specific source port. - long wait; // -w Wait # seconds for a connection. -) - -static void timeout(int signum) -{ - if (TT.wait) error_exit("Timeout"); - // This should be xexit() but would need siglongjmp()... - exit(0); -} - -static void set_alarm(int seconds) -{ - xsignal(SIGALRM, seconds ? timeout : SIG_DFL); - alarm(seconds); -} - -// Translate x.x.x.x numeric IPv4 address, or else DNS lookup an IPv4 name. -static void lookup_name(char *name, uint32_t *result) -{ - struct hostent *hostbyname; - - hostbyname = gethostbyname(name); // getaddrinfo - if (!hostbyname) error_exit("no host '%s'", name); - *result = *(uint32_t *)*hostbyname->h_addr_list; -} - -// Worry about a fancy lookup later. -static void lookup_port(char *str, uint16_t *port) -{ - *port = SWAP_BE16(atoi(str)); -} - -void netcat_main(void) -{ - int sockfd=-1, pollcount=2; - struct pollfd pollfds[2]; - - memset(pollfds, 0, 2*sizeof(struct pollfd)); - pollfds[0].events = pollfds[1].events = POLLIN; - set_alarm(TT.wait); - - // The argument parsing logic can't make "<2" conditional on other - // arguments like -f and -l, so we do it by hand here. - if ((toys.optflags&FLAG_f) ? toys.optc : - (!(toys.optflags&(FLAG_l|FLAG_L)) && toys.optc!=2)) - help_exit("Argument count wrong"); - - if (TT.filename) pollfds[0].fd = xopen(TT.filename, O_RDWR); - else { - int temp; - struct sockaddr_in address; - - // Setup socket - sockfd = xsocket(AF_INET, SOCK_STREAM, 0); - fcntl(sockfd, F_SETFD, FD_CLOEXEC); - temp = 1; - setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &temp, sizeof(temp)); - memset(&address, 0, sizeof(address)); - address.sin_family = AF_INET; - if (TT.source_address || TT.port) { - address.sin_port = SWAP_BE16(TT.port); - if (TT.source_address) - lookup_name(TT.source_address, (uint32_t *)&address.sin_addr); - if (bind(sockfd, (struct sockaddr *)&address, sizeof(address))) - perror_exit("bind"); - } - - // Dial out - - if (!CFG_NETCAT_LISTEN || !(toys.optflags&(FLAG_L|FLAG_l))) { - // Figure out where to dial out to. - lookup_name(*toys.optargs, (uint32_t *)&address.sin_addr); - lookup_port(toys.optargs[1], &address.sin_port); - temp = connect(sockfd, (struct sockaddr *)&address, sizeof(address)); - if (temp<0) perror_exit("connect"); - pollfds[0].fd = sockfd; - - // Listen for incoming connections - - } else { - socklen_t len = sizeof(address); - - if (listen(sockfd, 5)) error_exit("listen"); - if (!TT.port) { - getsockname(sockfd, (struct sockaddr *)&address, &len); - printf("%d\n", SWAP_BE16(address.sin_port)); - fflush(stdout); - } - // Do we need to return immediately because -l has arguments? - - if ((toys.optflags & FLAG_l) && toys.optc) { - if (CFG_TOYBOX_FORK && xfork()) goto cleanup; - close(0); - close(1); - close(2); - } - - for (;;) { - pid_t child = 0; - - // For -l, call accept from the _new_ process. - - pollfds[0].fd = accept(sockfd, (struct sockaddr *)&address, &len); - if (pollfds[0].fd<0) perror_exit("accept"); - - // Do we need a tty? - - if (toys.optflags&FLAG_t) - child = forkpty(&(pollfds[1].fd), NULL, NULL, NULL); - - // Do we need to fork and/or redirect for exec? - - else { - if (toys.optflags&FLAG_L) { - toys.stacktop = 0; - child = vfork(); - } - if (!child && toys.optc) { - int fd = pollfds[0].fd; - - dup2(fd, 0); - dup2(fd, 1); - if (toys.optflags&FLAG_L) dup2(fd, 2); - if (fd>2) close(fd); - } - } - - if (child<0) error_msg("Fork failed\n"); - if (child<1) break; - close(pollfds[0].fd); - } - } - } - - // We have a connection. Disarm timeout. - // (Does not play well with -L, but what _should_ that do?) - set_alarm(0); - - if (CFG_NETCAT_LISTEN && ((toys.optflags&(FLAG_L|FLAG_l)) && toys.optc)) - xexec(toys.optargs); - - // Poll loop copying stdin->socket and socket->stdout. - for (;;) { - int i; - - if (0>poll(pollfds, pollcount, -1)) perror_exit("poll"); - - for (i=0; i<pollcount; i++) { - if (pollfds[i].revents & POLLIN) { - int len = read(pollfds[i].fd, toybuf, sizeof(toybuf)); - if (len<1) goto dohupnow; - xwrite(i ? pollfds[0].fd : 1, toybuf, len); - } else if (pollfds[i].revents & POLLHUP) { -dohupnow: - // Close half-connection. This is needed for things like - // "echo GET / | netcat landley.net 80" - if (i) { - shutdown(pollfds[0].fd, SHUT_WR); - pollcount--; - set_alarm(TT.quit_delay); - } else goto cleanup; - } - } - } -cleanup: - if (CFG_TOYBOX_FREE) { - close(pollfds[0].fd); - close(sockfd); - } -} diff --git a/toys/other/rfkill.c b/toys/other/rfkill.c deleted file mode 100644 index 36fe320d..00000000 --- a/toys/other/rfkill.c +++ /dev/null @@ -1,102 +0,0 @@ -/* rfkill.c - Enable/disable wireless devices. - * - * Copyright 2014 Ranjan Kumar <ranjankumar.bth@gmail.com> - * Copyright 2014 Kyungwan Han <asura321@gmail.com> - * - * No Standard - -USE_RFKILL(NEWTOY(rfkill, "<1>2", TOYFLAG_USR|TOYFLAG_SBIN)) - -config RFKILL - bool "rfkill" - default y - help - Usage: rfkill COMMAND [DEVICE] - - Enable/disable wireless devices. - - Commands: - list [DEVICE] List current state - block DEVICE Disable device - unblock DEVICE Enable device - - DEVICE is an index number, or one of: - all, wlan(wifi), bluetooth, uwb(ultrawideband), wimax, wwan, gps, fm. -*/ - -#define FOR_rfkill -#include "toys.h" -#include <linux/rfkill.h> - -void rfkill_main(void) -{ - struct rfkill_event rfevent; - int fd, tvar, idx = -1, tid = RFKILL_TYPE_ALL; - char **optargs = toys.optargs; - - // Parse command line options - for (tvar = 0; tvar < 3; tvar++) - if (!strcmp((char *[]){"list", "block", "unblock"}[tvar], *optargs)) break; - if (tvar == 3) error_exit("unknown cmd '%s'", *optargs); - if (tvar) { - int i; - struct arglist { - char *name; - int idx; - } rftypes[] = {{"all", RFKILL_TYPE_ALL}, {"wifi", RFKILL_TYPE_WLAN}, - {"wlan", RFKILL_TYPE_WLAN}, {"bluetooth", RFKILL_TYPE_BLUETOOTH}, - {"uwb", RFKILL_TYPE_UWB}, {"ultrawideband", RFKILL_TYPE_UWB}, - {"wimax", RFKILL_TYPE_WIMAX}, {"wwan", RFKILL_TYPE_WWAN}, - {"gps", RFKILL_TYPE_GPS}, {"fm", 7}}; // RFKILL_TYPE_FM = 7 - - if (!*++optargs) error_exit("'%s' needs IDENTIFIER", optargs[-1]); - for (i = 0; i < ARRAY_LEN(rftypes); i++) - if (!strcmp(rftypes[i].name, *optargs)) break; - if (i == ARRAY_LEN(rftypes)) idx = atolx_range(*optargs, 0, INT_MAX); - else tid = rftypes[i].idx; - } - - // Perform requested action - fd = xopen("/dev/rfkill", (tvar ? O_RDWR : O_RDONLY)|O_NONBLOCK); - if (tvar) { - // block/unblock - memset(&rfevent, 0, sizeof(rfevent)); - rfevent.soft = tvar == 1; - if (idx >= 0) { - rfevent.idx = idx; - rfevent.op = RFKILL_OP_CHANGE; - } else { - rfevent.type = tid; - rfevent.op = RFKILL_OP_CHANGE_ALL; - } - xwrite(fd, &rfevent, sizeof(rfevent)); - } else { - // show list. - while (sizeof(rfevent) == readall(fd, &rfevent, sizeof(rfevent))) { - char *line, *name = 0, *type = 0; - - // filter list items - if ((tid > 0 && tid != rfevent.type) || (idx != -1 && idx != rfevent.idx)) - continue; - - sprintf(toybuf, "/sys/class/rfkill/rfkill%u/uevent", rfevent.idx); - tvar = xopen(toybuf, O_RDONLY); - while ((line = get_line(tvar))) { - char *s = line; - - if (strstart(&s, "RFKILL_NAME=")) name = xstrdup(s); - else if (strstart(&s, "RFKILL_TYPE=")) type = xstrdup(s); - - free(line); - } - xclose(tvar); - - xprintf("%u: %s: %s\n", rfevent.idx, name, type); - xprintf("\tSoft blocked: %s\n", rfevent.soft ? "yes" : "no"); - xprintf("\tHard blocked: %s\n", rfevent.hard ? "yes" : "no"); - free(name); - free(type); - } - } - xclose(fd); -} |