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    revision 983 by niro, Fri Apr 24 18:33:46 2009 UTC revision 984 by niro, Sun May 30 11:32:42 2010 UTC
    # Line 5  Line 5 
    5    
    6  #include "common.h"  #include "common.h"
    7  #include "dhcpd.h"  #include "dhcpd.h"
    8    #include "unicode.h"
    9    
    10    #if BB_LITTLE_ENDIAN
    11    static inline uint64_t hton64(uint64_t v)
    12    {
    13            return (((uint64_t)htonl(v)) << 32) | htonl(v >> 32);
    14    }
    15    #else
    16    #define hton64(v) (v)
    17    #endif
    18    #define ntoh64(v) hton64(v)
    19    
    20    
    21  int dumpleases_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;  int dumpleases_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    22  int dumpleases_main(int argc UNUSED_PARAM, char **argv)  int dumpleases_main(int argc UNUSED_PARAM, char **argv)
    # Line 12  int dumpleases_main(int argc UNUSED_PARA Line 24  int dumpleases_main(int argc UNUSED_PARA
    24   int fd;   int fd;
    25   int i;   int i;
    26   unsigned opt;   unsigned opt;
    27   time_t expires;   int64_t written_at, curr, expires_abs;
    28   const char *file = LEASES_FILE;   const char *file = LEASES_FILE;
    29   struct dhcpOfferedAddr lease;   struct dyn_lease lease;
    30   struct in_addr addr;   struct in_addr addr;
    31    
    32   enum {   enum {
    # Line 22  int dumpleases_main(int argc UNUSED_PARA Line 34  int dumpleases_main(int argc UNUSED_PARA
    34   OPT_r = 0x2, // -r   OPT_r = 0x2, // -r
    35   OPT_f = 0x4, // -f   OPT_f = 0x4, // -f
    36   };   };
    37  #if ENABLE_GETOPT_LONG  #if ENABLE_LONG_OPTS
    38   static const char dumpleases_longopts[] ALIGN1 =   static const char dumpleases_longopts[] ALIGN1 =
    39   "absolute\0"  No_argument       "a"   "absolute\0"  No_argument       "a"
    40   "remaining\0" No_argument       "r"   "remaining\0" No_argument       "r"
    # Line 31  int dumpleases_main(int argc UNUSED_PARA Line 43  int dumpleases_main(int argc UNUSED_PARA
    43    
    44   applet_long_options = dumpleases_longopts;   applet_long_options = dumpleases_longopts;
    45  #endif  #endif
    46     init_unicode();
    47    
    48   opt_complementary = "=0:a--r:r--a";   opt_complementary = "=0:a--r:r--a";
    49   opt = getopt32(argv, "arf:", &file);   opt = getopt32(argv, "arf:", &file);
    50    
    51   fd = xopen(file, O_RDONLY);   fd = xopen(file, O_RDONLY);
    52    
    53   printf("Mac Address       IP-Address      Expires %s\n", (opt & OPT_a) ? "at" : "in");   printf("Mac Address       IP Address      Host Name           Expires %s\n", (opt & OPT_a) ? "at" : "in");
    54   /*     "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */   /*     "00:00:00:00:00:00 255.255.255.255 ABCDEFGHIJKLMNOPQRS Wed Jun 30 21:49:08 1993" */
    55     /*     "123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 */
    56    
    57     if (full_read(fd, &written_at, sizeof(written_at)) != sizeof(written_at))
    58     return 0;
    59     written_at = ntoh64(written_at);
    60     curr = time(NULL);
    61     if (curr < written_at)
    62     written_at = curr; /* lease file from future! :) */
    63    
    64   while (full_read(fd, &lease, sizeof(lease)) == sizeof(lease)) {   while (full_read(fd, &lease, sizeof(lease)) == sizeof(lease)) {
    65   printf(":%02x"+1, lease.chaddr[0]);   const char *fmt = ":%02x" + 1;
    66   for (i = 1; i < 6; i++) {   for (i = 0; i < 6; i++) {
    67   printf(":%02x", lease.chaddr[i]);   printf(fmt, lease.lease_mac[i]);
    68     fmt = ":%02x";
    69     }
    70     addr.s_addr = lease.lease_nip;
    71     /* actually, 15+1 and 19+1, +1 is a space between columns */
    72     /* lease.hostname is char[20] and is always NUL terminated */
    73    #if ENABLE_FEATURE_ASSUME_UNICODE
    74     printf(" %-16s%s%*s", inet_ntoa(addr), lease.hostname,
    75     20 - (int)unicode_strlen(lease.hostname), "");
    76    #else
    77     printf(" %-16s%-20s", inet_ntoa(addr), lease.hostname);
    78    #endif
    79     expires_abs = ntohl(lease.expires) + written_at;
    80     if (expires_abs <= curr) {
    81     puts("expired");
    82     continue;
    83   }   }
      addr.s_addr = lease.yiaddr;  
      printf(" %-15s ", inet_ntoa(addr));  
      expires = ntohl(lease.expires);  
    84   if (!(opt & OPT_a)) { /* no -a */   if (!(opt & OPT_a)) { /* no -a */
    85   if (!expires)   unsigned d, h, m;
    86   puts("expired");   unsigned expires = expires_abs - curr;
    87   else {   d = expires / (24*60*60); expires %= (24*60*60);
    88   unsigned d, h, m;   h = expires / (60*60); expires %= (60*60);
    89   d = expires / (24*60*60); expires %= (24*60*60);   m = expires / 60; expires %= 60;
    90   h = expires / (60*60); expires %= (60*60);   if (d)
    91   m = expires / 60; expires %= 60;   printf("%u days ", d);
    92   if (d) printf("%u days ", d);   printf("%02u:%02u:%02u\n", h, m, (unsigned)expires);
    93   printf("%02u:%02u:%02u\n", h, m, (unsigned)expires);   } else { /* -a */
    94   }   time_t t = expires_abs;
    95   } else /* -a */   fputs(ctime(&t), stdout);
    96   fputs(ctime(&expires), stdout);   }
    97   }   }
    98   /* close(fd); */   /* close(fd); */
    99    
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