diff options
Diffstat (limited to 'cpukit/libmisc/shell/main_ifconfig.c')
| -rw-r--r-- | cpukit/libmisc/shell/main_ifconfig.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/cpukit/libmisc/shell/main_ifconfig.c b/cpukit/libmisc/shell/main_ifconfig.c new file mode 100644 index 0000000000..9f16207b10 --- /dev/null +++ b/cpukit/libmisc/shell/main_ifconfig.c @@ -0,0 +1,243 @@ +/* + * IFCONFIG Command Implmentation + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> + +#include <netinet/in.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <arpa/inet.h> +#include <net/if.h> + + +#include <rtems.h> +#include <rtems/rtems_bsdnet.h> +#include <rtems/shell.h> +#include "internal.h" + +int rtems_shell_main_ifconfig( + int argc, + char *argv[] +) +{ + struct sockaddr_in ipaddr; + struct sockaddr_in dstaddr; + struct sockaddr_in netmask; + struct sockaddr_in broadcast; + char *iface; + int f_ip = 0; + int f_ptp = 0; + int f_netmask = 0; + int f_up = 0; + int f_down = 0; + int f_bcast = 0; + int cur_idx; + int rc; + int flags; + + memset(&ipaddr, 0, sizeof(ipaddr)); + memset(&dstaddr, 0, sizeof(dstaddr)); + memset(&netmask, 0, sizeof(netmask)); + memset(&broadcast, 0, sizeof(broadcast)); + + ipaddr.sin_len = sizeof(ipaddr); + ipaddr.sin_family = AF_INET; + + dstaddr.sin_len = sizeof(dstaddr); + dstaddr.sin_family = AF_INET; + + netmask.sin_len = sizeof(netmask); + netmask.sin_family = AF_INET; + + broadcast.sin_len = sizeof(broadcast); + broadcast.sin_family = AF_INET; + + cur_idx = 0; + if (argc <= 1) { + /* display all interfaces */ + iface = NULL; + cur_idx += 1; + } else { + iface = argv[1]; + if (isdigit((unsigned char)*argv[2])) { + if (inet_pton(AF_INET, argv[2], &ipaddr.sin_addr) < 0) { + printf("bad ip address: %s\n", argv[2]); + return 0; + } + f_ip = 1; + cur_idx += 3; + } else { + cur_idx += 2; + } + } + + if ((f_down !=0) && (f_ip != 0)) { + f_up = 1; + } + + while(argc > cur_idx) { + if (strcmp(argv[cur_idx], "up") == 0) { + f_up = 1; + if (f_down != 0) { + printf("Can't make interface up and down\n"); + } + } else if(strcmp(argv[cur_idx], "down") == 0) { + f_down = 1; + if (f_up != 0) { + printf("Can't make interface up and down\n"); + } + } else if(strcmp(argv[cur_idx], "netmask") == 0) { + if ((cur_idx + 1) >= argc) { + printf("No netmask address\n"); + return -1; + } + if (inet_pton(AF_INET, argv[cur_idx+1], &netmask.sin_addr) < 0) { + printf("bad netmask: %s\n", argv[cur_idx]); + return -1; + } + f_netmask = 1; + cur_idx += 1; + } else if(strcmp(argv[cur_idx], "broadcast") == 0) { + if ((cur_idx + 1) >= argc) { + printf("No broadcast address\n"); + return -1; + } + if (inet_pton(AF_INET, argv[cur_idx+1], &broadcast.sin_addr) < 0) { + printf("bad broadcast: %s\n", argv[cur_idx]); + return -1; + } + f_bcast = 1; + cur_idx += 1; + } else if(strcmp(argv[cur_idx], "pointopoint") == 0) { + if ((cur_idx + 1) >= argc) { + printf("No pointopoint address\n"); + return -1; + } + if (inet_pton(AF_INET, argv[cur_idx+1], &dstaddr.sin_addr) < 0) { + printf("bad pointopoint: %s\n", argv[cur_idx]); + return -1; + } + f_ptp = 1; + cur_idx += 1; + } else { + printf("Bad parameter: %s\n", argv[cur_idx]); + return -1; + } + cur_idx += 1; + } + + printf("ifconfig "); + if (iface != NULL) { + printf("%s ", iface); + if (f_ip != 0) { + char str[256]; + inet_ntop(AF_INET, &ipaddr.sin_addr, str, 256); + printf("%s ", str); + } + + if (f_netmask != 0) { + char str[256]; + inet_ntop(AF_INET, &netmask.sin_addr, str, 256); + printf("netmask %s ", str); + } + + if (f_bcast != 0) { + char str[256]; + inet_ntop(AF_INET, &broadcast.sin_addr, str, 256); + printf("broadcast %s ", str); + } + + if (f_ptp != 0) { + char str[256]; + inet_ntop(AF_INET, &dstaddr.sin_addr, str, 256); + printf("pointopoint %s ", str); + } + + if (f_up != 0) { + printf("up\n"); + } else if (f_down != 0) { + printf("down\n"); + } else { + printf("\n"); + } + } + + if ((iface == NULL) || ((f_ip == 0) && (f_down == 0) && (f_up == 0))) { + rtems_bsdnet_show_if_stats(); + return 0; + } + + flags = 0; + if (f_netmask) { + rc = rtems_bsdnet_ifconfig(iface, SIOCSIFNETMASK, &netmask); + if (rc < 0) { + printf("Could not set netmask: %s\n", strerror(errno)); + return -1; + } + } + + if (f_bcast) { + rc = rtems_bsdnet_ifconfig(iface, SIOCSIFBRDADDR, &broadcast); + if (rc < 0) { + printf("Could not set broadcast: %s\n", strerror(errno)); + return -1; + } + } + + if (f_ptp) { + rc = rtems_bsdnet_ifconfig(iface, SIOCSIFDSTADDR, &dstaddr); + if (rc < 0) { + printf("Could not set destination address: %s\n", strerror(errno)); + return -1; + } + flags |= IFF_POINTOPOINT; + } + + /* This must come _after_ setting the netmask, broadcast addresses */ + if (f_ip) { + rc = rtems_bsdnet_ifconfig(iface, SIOCSIFADDR, &ipaddr); + if (rc < 0) { + printf("Could not set IP address: %s\n", strerror(errno)); + return -1; + } + } + + if (f_up != 0) { + flags |= IFF_UP; + } + + if (f_down != 0) { + printf("Warning: taking interfaces down is not supported\n"); + } + + rc = rtems_bsdnet_ifconfig(iface, SIOCSIFFLAGS, &flags); + if (rc < 0) { + printf("Could not set interface flags: %s\n", strerror(errno)); + return -1; + } + + return 0; +} + +rtems_shell_cmd_t rtems_shell_IFCONFIG_Command = { + "ifconfig", /* name */ + "TBD", /* usage */ + "network", /* topic */ + rtems_shell_main_ifconfig, /* command */ + NULL, /* alias */ + NULL /* next */ +}; |