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68404f13d4
function old new delta procps_scan 1265 1298 +33 aliascmd 278 283 +5 parse_file_cmd 116 120 +4 dname_enc 373 377 +4 setcmd 90 93 +3 execcmd 57 60 +3 count_lines 72 74 +2 process_command_subs 340 339 -1 test_main 409 407 -2 mknod_main 179 177 -2 handle_incoming_and_exit 2653 2651 -2 argstr 1312 1310 -2 shiftcmd 131 128 -3 exitcmd 46 43 -3 dotcmd 297 294 -3 breakcmd 86 83 -3 evalpipe 353 349 -4 evalcommand 1180 1176 -4 evalcmd 109 105 -4 send_tree 374 369 -5 mkfifo_main 82 77 -5 evalsubshell 152 147 -5 typecmd 75 69 -6 letcmd 61 55 -6 add_cmd 1190 1183 -7 main 891 883 -8 ash_main 1415 1407 -8 parse_stream 1377 1367 -10 alloc_procps_scan 55 - -55 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148) Total: -94 bytes text data bss dec hex filename 797195 658 7428 805281 c49a1 busybox_old 797101 658 7428 805187 c4943 busybox_unstripped
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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*/
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#include <getopt.h>
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#include "common.h"
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#include "dhcpd.h"
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int dumpleases_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int dumpleases_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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int fd;
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int i;
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unsigned opt;
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time_t expires;
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const char *file = LEASES_FILE;
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struct dhcpOfferedAddr lease;
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struct in_addr addr;
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enum {
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OPT_a = 0x1, // -a
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OPT_r = 0x2, // -r
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OPT_f = 0x4, // -f
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};
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#if ENABLE_GETOPT_LONG
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static const char dumpleases_longopts[] ALIGN1 =
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"absolute\0" No_argument "a"
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"remaining\0" No_argument "r"
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"file\0" Required_argument "f"
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;
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applet_long_options = dumpleases_longopts;
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#endif
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opt_complementary = "=0:a--r:r--a";
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opt = getopt32(argv, "arf:", &file);
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fd = xopen(file, O_RDONLY);
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printf("Mac Address IP-Address Expires %s\n", (opt & OPT_a) ? "at" : "in");
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/* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */
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while (full_read(fd, &lease, sizeof(lease)) == sizeof(lease)) {
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printf(":%02x"+1, lease.chaddr[0]);
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for (i = 1; i < 6; i++) {
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printf(":%02x", lease.chaddr[i]);
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}
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addr.s_addr = lease.yiaddr;
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printf(" %-15s ", inet_ntoa(addr));
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expires = ntohl(lease.expires);
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if (!(opt & OPT_a)) { /* no -a */
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if (!expires)
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puts("expired");
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else {
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unsigned d, h, m;
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d = expires / (24*60*60); expires %= (24*60*60);
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h = expires / (60*60); expires %= (60*60);
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m = expires / 60; expires %= 60;
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if (d) printf("%u days ", d);
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printf("%02u:%02u:%02u\n", h, m, (unsigned)expires);
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}
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} else /* -a */
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fputs(ctime(&expires), stdout);
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}
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/* close(fd); */
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return 0;
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}
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