X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_net.c;h=b80a7ad8e33527832b33fdc9e3d17ebaaa52e5dc;hb=ed44387f406ca0e695609270a1282e699111a945;hp=56eb684d555a0d9a5364d071465cbeafc26630a3;hpb=7f52fa3c2df59e49dc2badd7c084cf2d007c438f;p=karo-tx-uboot.git diff --git a/common/cmd_net.c b/common/cmd_net.c index 56eb684d55..b80a7ad8e3 100644 --- a/common/cmd_net.c +++ b/common/cmd_net.c @@ -39,8 +39,8 @@ int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( bootp, 3, 1, do_bootp, - "bootp\t- boot image via network using BootP/TFTP protocol\n", - "[loadAddress] [bootfilename]\n" + "boot image via network using BOOTP/TFTP protocol", + "[loadAddress] [[hostIPaddr:]bootfilename]" ); int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -50,8 +50,8 @@ int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( tftpboot, 3, 1, do_tftpb, - "tftpboot- boot image via network using TFTP protocol\n", - "[loadAddress] [bootfilename]\n" + "boot image via network using TFTP protocol", + "[loadAddress] [[hostIPaddr:]bootfilename]" ); int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -61,8 +61,8 @@ int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( rarpboot, 3, 1, do_rarpb, - "rarpboot- boot image via network using RARP/TFTP protocol\n", - "[loadAddress] [bootfilename]\n" + "boot image via network using RARP/TFTP protocol", + "[loadAddress] [[hostIPaddr:]bootfilename]" ); #if defined(CONFIG_CMD_DHCP) @@ -73,8 +73,8 @@ int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( dhcp, 3, 1, do_dhcp, - "dhcp\t- invoke DHCP client to obtain IP/boot params\n", - "\n" + "boot image via network using DHCP/TFTP protocol", + "[loadAddress] [[hostIPaddr:]bootfilename]" ); #endif @@ -86,8 +86,8 @@ int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( nfs, 3, 1, do_nfs, - "nfs\t- boot image via network using NFS protocol\n", - "[loadAddress] [[hostIPaddr:]bootfilename]\n" + "boot image via network using NFS protocol", + "[loadAddress] [[hostIPaddr:]bootfilename]" ); #endif @@ -154,8 +154,10 @@ static int netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) { char *s; + char *end; int rcode = 0; int size; + ulong addr; /* pre-set load_addr */ if ((s = getenv("loadaddr")) != NULL) { @@ -166,15 +168,17 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) case 1: break; - case 2: /* only one arg - accept two forms: - * just load address, or just boot file name. - * The latter form must be written "filename" here. + case 2: /* + * Only one arg - accept two forms: + * Just load address, or just boot file name. The latter + * form must be written in a format which can not be + * mis-interpreted as a valid number. */ - if (argv[1][0] == '"') { /* just boot filename */ - copy_filename (BootFile, argv[1], sizeof(BootFile)); - } else { /* load address */ - load_addr = simple_strtoul(argv[1], NULL, 16); - } + addr = simple_strtoul(argv[1], &end, 16); + if (end == (argv[1] + strlen(argv[1]))) + load_addr = addr; + else + copy_filename(BootFile, argv[1], sizeof(BootFile)); break; case 3: load_addr = simple_strtoul(argv[1], NULL, 16); @@ -182,7 +186,7 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) break; - default: printf ("Usage:\n%s\n", cmdtp->usage); + default: cmd_usage(cmdtp); show_boot_progress (-80); return 1; } @@ -218,13 +222,6 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) rcode = do_bootm (cmdtp, 0, 1, local_args); } -#ifdef CONFIG_AUTOSCRIPT - if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) { - printf("Running autoscript at addr 0x%08lX ...\n", load_addr); - show_boot_progress (83); - rcode = autoscript (load_addr); - } -#endif if (rcode < 0) show_boot_progress (-83); else @@ -240,7 +237,7 @@ int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) NetPingIP = string_to_ip(argv[1]); if (NetPingIP == 0) { - printf ("Usage:\n%s\n", cmdtp->usage); + cmd_usage(cmdtp); return -1; } @@ -256,8 +253,8 @@ int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( ping, 2, 1, do_ping, - "ping\t- send ICMP ECHO_REQUEST to network host\n", - "pingAddress\n" + "send ICMP ECHO_REQUEST to network host", + "pingAddress" ); #endif @@ -300,7 +297,7 @@ int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( cdp, 1, 1, do_cdp, - "cdp\t- Perform CDP network configuration\n", + "Perform CDP network configuration", ); #endif @@ -337,7 +334,55 @@ int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( sntp, 2, 1, do_sntp, - "sntp\t- synchronize RTC via network\n", + "synchronize RTC via network", "[NTP server IP]\n" ); #endif + +#if defined(CONFIG_CMD_DNS) +int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + if (argc == 1) { + cmd_usage(cmdtp); + return -1; + } + + /* + * We should check for a valid hostname: + * - Each label must be between 1 and 63 characters long + * - the entire hostname has a maximum of 255 characters + * - only the ASCII letters 'a' through 'z' (case-insensitive), + * the digits '0' through '9', and the hyphen + * - cannot begin or end with a hyphen + * - no other symbols, punctuation characters, or blank spaces are + * permitted + * but hey - this is a minimalist implmentation, so only check length + * and let the name server deal with things. + */ + if (strlen(argv[1]) >= 255) { + printf("dns error: hostname too long\n"); + return 1; + } + + NetDNSResolve = argv[1]; + + if (argc == 3) + NetDNSenvvar = argv[2]; + else + NetDNSenvvar = NULL; + + if (NetLoop(DNS) < 0) { + printf("dns lookup of %s failed, check setup\n", argv[1]); + return 1; + } + + return 0; +} + +U_BOOT_CMD( + dns, 3, 1, do_dns, + "lookup the IP of a hostname", + "hostname [envvar]" +); + +#endif /* CONFIG_CMD_DNS */