diff options
Diffstat (limited to 'toys/pending')
| -rw-r--r-- | toys/pending/ifconfig.c | 352 |
1 files changed, 169 insertions, 183 deletions
diff --git a/toys/pending/ifconfig.c b/toys/pending/ifconfig.c index d41f7920..86ef0b92 100644 --- a/toys/pending/ifconfig.c +++ b/toys/pending/ifconfig.c @@ -49,10 +49,6 @@ typedef struct sockaddr_with_len { socklen_t socklen; } sockaddr_with_len; -unsigned get_strtou(char *, char **, int); -char *address_to_name(struct sockaddr *); -sockaddr_with_len *get_sockaddr(char *, int, sa_family_t); - // man netdevice struct iface_list { struct iface_list *next; @@ -142,17 +138,6 @@ struct ifreq_inet6 { # define INFINIBAND_ALEN 20 #endif -static void set_flags(int sockfd, struct ifreq *ifre, int arg_flag, int flag); //verify -static void set_mtu(int sockfd, struct ifreq *ifre, char *mtu); //verify -static void set_metric(int sockfd, struct ifreq *ifre, char *metric); //verify -static void set_qlen(int sockfd, struct ifreq *ifre, char *qlen); //verify -static void set_address(int sockfd, char *host_name, struct ifreq *ifre, int request, char *req_name); -static void set_hw_address(int sockfd, char ***argv, struct ifreq *ifre, int request, char *req_name); -static void set_ipv6_addr(int sockfd, struct ifreq *ifre, char *ipv6_addr, int request, char *req_name); -static void set_memstart(int sockfd, struct ifreq *ifre, char *start_addr, int request, char *req_name); -static void set_ioaddr(int sockfd, struct ifreq *ifre, char *baddr, int request, char *req_name); -static void set_irq(int sockfd, struct ifreq *ifre, char *irq_val, int request, char *req_name); - void xioctl(int fd, int request, void *data) { if (ioctl(fd, request, data) < 0) perror_exit("ioctl %d", request); @@ -185,6 +170,38 @@ static int is_host_unix(char *host, sockaddr_with_len **swl) } /* + * used to converts string into int and validate the input str for invalid int value or out-of-range. + */ +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; +} + + + +/* * validate the input param (host) for valid ipv6 ip and extract port number (if there). */ static void get_host_and_port(char **host, int *port) @@ -299,174 +316,6 @@ char *address_to_name(struct sockaddr *sock) } else return NULL; } -/* - * used to converts string into int and validate the input str for invalid int value or out-of-range. - */ -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; -} - -void ifconfig_main(void) -{ - char **argv = toys.optargs; - - if(*argv && (strcmp(*argv, "--help") == 0)) show_help(); - - //"ifconfig" / "ifconfig eth0" - if(!argv[0] || !argv[1]) { //one or no argument - toys.exitval = show_iface(*argv); - //free allocated memory. - llist_traverse(TT.iface_list, free); - return; - } - - //set ifconfig params. - { - struct ifreq ifre; - int sockfd = 0; - //get interface name - memset(&ifre, 0, sizeof(struct ifreq)); - strncpy(ifre.ifr_name, *argv, IFNAMSIZ); - ifre.ifr_name[IFNAMSIZ-1] = 0; - if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) perror_exit("socket"); - - while(*++argv != NULL) { - /* flags settings */ - if (!strcmp(*argv, "up")) - set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); - else if (!strcmp(*argv, "down")) - set_flags(sockfd, &ifre, 0, IFF_UP); - - else if (!strcmp(*argv, "arp")) - set_flags(sockfd, &ifre, 0, IFF_NOARP); - else if (!strcmp(*argv, "-arp")) - set_flags(sockfd, &ifre, IFF_NOARP, 0); - else if (!strcmp(*argv, "trailers")) - set_flags(sockfd, &ifre, 0, IFF_NOTRAILERS); - else if (!strcmp(*argv, "-trailers")) - set_flags(sockfd, &ifre, IFF_NOTRAILERS, 0); - - else if (!strcmp(*argv, "promisc")) - set_flags(sockfd, &ifre, IFF_PROMISC, 0); - else if (!strcmp(*argv, "-promisc")) - set_flags(sockfd, &ifre, 0, IFF_PROMISC); - else if (!strcmp(*argv, "allmulti")) - set_flags(sockfd, &ifre, IFF_ALLMULTI, 0); - else if (!strcmp(*argv, "-allmulti")) - set_flags(sockfd, &ifre, 0, IFF_ALLMULTI); - else if (!strcmp(*argv, "multicast")) - set_flags(sockfd, &ifre, IFF_MULTICAST, 0); - else if (!strcmp(*argv, "-multicast")) - set_flags(sockfd, &ifre, 0, IFF_MULTICAST); - else if (!strcmp(*argv, "dynamic")) - set_flags(sockfd, &ifre, IFF_DYNAMIC, 0); - else if (!strcmp(*argv, "-dynamic")) - set_flags(sockfd, &ifre, 0, IFF_DYNAMIC); - else if (!strcmp(*argv, "-pointopoint")) - set_flags(sockfd, &ifre, 0, IFF_POINTOPOINT); - /*value setup */ - else if (!strcmp(*argv, "pointopoint")) { - if (!*++argv) show_help(); - set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); - set_flags(sockfd, &ifre, IFF_POINTOPOINT, 0); - } else if (!strcmp(*argv, "netmask")) { - if (!*++argv) show_help(); - set_address(sockfd, *argv, &ifre, SIOCSIFNETMASK, "SIOCSIFNETMASK"); - } else if (!strcmp(*argv, "-broadcast")) { - set_flags(sockfd, &ifre, 0, IFF_BROADCAST); - } else if (!strcmp(*argv, "broadcast")) { - if (!*++argv) show_help(); - set_address(sockfd, *argv, &ifre, SIOCSIFBRDADDR, "SIOCSIFBRDADDR"); - set_flags(sockfd, &ifre, IFF_BROADCAST, 0); - } else if (!strcmp(*argv, "dstaddr")) { - if (!*++argv) show_help(); - set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); - } else if (!strcmp(*argv, "hw")) { - if (!*++argv) show_help(); - set_hw_address(sockfd, &argv, &ifre, SIOCSIFHWADDR, "SIOCSIFHWADDR"); - } else if (!strcmp(*argv, "mtu")) { - if (!*++argv) show_help(); - set_mtu(sockfd, &ifre, *argv); - } else if (!strcmp(*argv, "metric")) { - if (!*++argv) show_help(); - set_metric(sockfd, &ifre, *argv); - } else if (!strcmp(*argv, "txqueuelen")) { - if (!*++argv) show_help(); - set_qlen(sockfd, &ifre, *argv); - } else if (!strcmp(*argv, "keepalive")) { - if (!*++argv) show_help(); - ifre.ifr_data = (void *)strtoul(*argv, 0, 0); - xioctl(sockfd, SIOCSKEEPALIVE, &ifre); - } else if (!strcmp(*argv, "outfill")) { - if (!*++argv) show_help(); - ifre.ifr_data = (void *)strtoul(*argv, 0, 0); - xioctl(sockfd, SIOCSOUTFILL, &ifre); - } else if (!strcmp(*argv, "add")) { - if (!*++argv) show_help(); - set_ipv6_addr(sockfd, &ifre, *argv, SIOCSIFADDR, "SIOCSIFADDR"); - } else if (!strcmp(*argv, "del")) { - if (!*++argv) show_help(); - set_ipv6_addr(sockfd, &ifre, *argv, SIOCDIFADDR, "SIOCDIFADDR"); - } else if (!strcmp(*argv, "mem_start")) { - if (!*++argv) show_help(); - set_memstart(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP"); - } else if (!strcmp(*argv, "io_addr")) { - if (!*++argv) show_help(); - set_ioaddr(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP"); - } else if (!strcmp(*argv, "irq")) { - if (!*++argv) show_help(); - set_irq(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP"); - } else { - if (isdigit(**argv) || !strcmp(*argv, "default")) { - char *iface_name = ifre.ifr_name; - short int is_colon = 0; - set_address(sockfd, *argv, &ifre, SIOCSIFADDR, "SIOCSIFADDR"); - while (*iface_name) { - if (*iface_name == ':') { - is_colon = 1; - break; - } - iface_name++; - } - //if the interface name is not an alias; set the flag and continue. - if(!is_colon) set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); - } else if (!strcmp(*argv, "inet") || !strcmp(*argv, "inet6")) continue; - else { - errno = EINVAL; - toys.exithelp++; - error_exit("bad argument"); - } - } - - } - if(sockfd > 0) close(sockfd); - } -} - - static void set_flags(int sockfd, struct ifreq *ifre, int set_flag, int reset_flag) { xioctl(sockfd, SIOCGIFFLAGS, ifre); @@ -1046,3 +895,140 @@ static int show_iface(char *iface_name) } return 0; } + +void ifconfig_main(void) +{ + char **argv = toys.optargs; + + if(*argv && (strcmp(*argv, "--help") == 0)) show_help(); + + //"ifconfig" / "ifconfig eth0" + if(!argv[0] || !argv[1]) { //one or no argument + toys.exitval = show_iface(*argv); + //free allocated memory. + llist_traverse(TT.iface_list, free); + return; + } + + //set ifconfig params. + { + struct ifreq ifre; + int sockfd = 0; + //get interface name + memset(&ifre, 0, sizeof(struct ifreq)); + strncpy(ifre.ifr_name, *argv, IFNAMSIZ); + ifre.ifr_name[IFNAMSIZ-1] = 0; + if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) perror_exit("socket"); + + while(*++argv != NULL) { + /* flags settings */ + if (!strcmp(*argv, "up")) + set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); + else if (!strcmp(*argv, "down")) + set_flags(sockfd, &ifre, 0, IFF_UP); + + else if (!strcmp(*argv, "arp")) + set_flags(sockfd, &ifre, 0, IFF_NOARP); + else if (!strcmp(*argv, "-arp")) + set_flags(sockfd, &ifre, IFF_NOARP, 0); + else if (!strcmp(*argv, "trailers")) + set_flags(sockfd, &ifre, 0, IFF_NOTRAILERS); + else if (!strcmp(*argv, "-trailers")) + set_flags(sockfd, &ifre, IFF_NOTRAILERS, 0); + + else if (!strcmp(*argv, "promisc")) + set_flags(sockfd, &ifre, IFF_PROMISC, 0); + else if (!strcmp(*argv, "-promisc")) + set_flags(sockfd, &ifre, 0, IFF_PROMISC); + else if (!strcmp(*argv, "allmulti")) + set_flags(sockfd, &ifre, IFF_ALLMULTI, 0); + else if (!strcmp(*argv, "-allmulti")) + set_flags(sockfd, &ifre, 0, IFF_ALLMULTI); + else if (!strcmp(*argv, "multicast")) + set_flags(sockfd, &ifre, IFF_MULTICAST, 0); + else if (!strcmp(*argv, "-multicast")) + set_flags(sockfd, &ifre, 0, IFF_MULTICAST); + else if (!strcmp(*argv, "dynamic")) + set_flags(sockfd, &ifre, IFF_DYNAMIC, 0); + else if (!strcmp(*argv, "-dynamic")) + set_flags(sockfd, &ifre, 0, IFF_DYNAMIC); + else if (!strcmp(*argv, "-pointopoint")) + set_flags(sockfd, &ifre, 0, IFF_POINTOPOINT); + /*value setup */ + else if (!strcmp(*argv, "pointopoint")) { + if (!*++argv) show_help(); + set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); + set_flags(sockfd, &ifre, IFF_POINTOPOINT, 0); + } else if (!strcmp(*argv, "netmask")) { + if (!*++argv) show_help(); + set_address(sockfd, *argv, &ifre, SIOCSIFNETMASK, "SIOCSIFNETMASK"); + } else if (!strcmp(*argv, "-broadcast")) { + set_flags(sockfd, &ifre, 0, IFF_BROADCAST); + } else if (!strcmp(*argv, "broadcast")) { + if (!*++argv) show_help(); + set_address(sockfd, *argv, &ifre, SIOCSIFBRDADDR, "SIOCSIFBRDADDR"); + set_flags(sockfd, &ifre, IFF_BROADCAST, 0); + } else if (!strcmp(*argv, "dstaddr")) { + if (!*++argv) show_help(); + set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); + } else if (!strcmp(*argv, "hw")) { + if (!*++argv) show_help(); + set_hw_address(sockfd, &argv, &ifre, SIOCSIFHWADDR, "SIOCSIFHWADDR"); + } else if (!strcmp(*argv, "mtu")) { + if (!*++argv) show_help(); + set_mtu(sockfd, &ifre, *argv); + } else if (!strcmp(*argv, "metric")) { + if (!*++argv) show_help(); + set_metric(sockfd, &ifre, *argv); + } else if (!strcmp(*argv, "txqueuelen")) { + if (!*++argv) show_help(); + set_qlen(sockfd, &ifre, *argv); + } else if (!strcmp(*argv, "keepalive")) { + if (!*++argv) show_help(); + ifre.ifr_data = (void *)strtoul(*argv, 0, 0); + xioctl(sockfd, SIOCSKEEPALIVE, &ifre); + } else if (!strcmp(*argv, "outfill")) { + if (!*++argv) show_help(); + ifre.ifr_data = (void *)strtoul(*argv, 0, 0); + xioctl(sockfd, SIOCSOUTFILL, &ifre); + } else if (!strcmp(*argv, "add")) { + if (!*++argv) show_help(); + set_ipv6_addr(sockfd, &ifre, *argv, SIOCSIFADDR, "SIOCSIFADDR"); + } else if (!strcmp(*argv, "del")) { + if (!*++argv) show_help(); + set_ipv6_addr(sockfd, &ifre, *argv, SIOCDIFADDR, "SIOCDIFADDR"); + } else if (!strcmp(*argv, "mem_start")) { + if (!*++argv) show_help(); + set_memstart(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP"); + } else if (!strcmp(*argv, "io_addr")) { + if (!*++argv) show_help(); + set_ioaddr(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP"); + } else if (!strcmp(*argv, "irq")) { + if (!*++argv) show_help(); + set_irq(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP"); + } else { + if (isdigit(**argv) || !strcmp(*argv, "default")) { + char *iface_name = ifre.ifr_name; + short int is_colon = 0; + set_address(sockfd, *argv, &ifre, SIOCSIFADDR, "SIOCSIFADDR"); + while (*iface_name) { + if (*iface_name == ':') { + is_colon = 1; + break; + } + iface_name++; + } + //if the interface name is not an alias; set the flag and continue. + if(!is_colon) set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); + } else if (!strcmp(*argv, "inet") || !strcmp(*argv, "inet6")) continue; + else { + errno = EINVAL; + toys.exithelp++; + error_exit("bad argument"); + } + } + + } + if(sockfd > 0) close(sockfd); + } +} |