| 1 | /* XXX: this program knows quite a bit about tcpto's internals */ |
| 2 | |
| 3 | #include "substdio.h" |
| 4 | #include "subfd.h" |
| 5 | #include "auto_qmail.h" |
| 6 | #include "fmt.h" |
| 7 | #include "ip.h" |
| 8 | #include "lock.h" |
| 9 | #include "error.h" |
| 10 | #include "exit.h" |
| 11 | #include "datetime.h" |
| 12 | #include "now.h" |
| 13 | |
| 14 | void die(n) int n; { substdio_flush(subfdout); _exit(n); } |
| 15 | |
| 16 | void warn(s) char *s; |
| 17 | { |
| 18 | char *x; |
| 19 | x = error_str(errno); |
| 20 | substdio_puts(subfdout,s); |
| 21 | substdio_puts(subfdout,": "); |
| 22 | substdio_puts(subfdout,x); |
| 23 | substdio_puts(subfdout,"\n"); |
| 24 | } |
| 25 | |
| 26 | void die_chdir() { warn("fatal: unable to chdir"); die(111); } |
| 27 | void die_open() { warn("fatal: unable to open tcpto"); die(111); } |
| 28 | void die_lock() { warn("fatal: unable to lock tcpto"); die(111); } |
| 29 | void die_read() { warn("fatal: unable to read tcpto"); die(111); } |
| 30 | |
| 31 | char tcpto_buf[1024]; |
| 32 | |
| 33 | char tmp[FMT_ULONG + IPFMT]; |
| 34 | |
| 35 | void main() |
| 36 | { |
| 37 | int fdlock; |
| 38 | int fd; |
| 39 | int r; |
| 40 | int i; |
| 41 | char *record; |
| 42 | struct ip_address ip; |
| 43 | datetime_sec when; |
| 44 | datetime_sec start; |
| 45 | |
| 46 | if (chdir(auto_qmail) == -1) die_chdir(); |
| 47 | if (chdir("queue/lock") == -1) die_chdir(); |
| 48 | |
| 49 | fdlock = open_write("tcpto"); |
| 50 | if (fdlock == -1) die_open(); |
| 51 | fd = open_read("tcpto"); |
| 52 | if (fd == -1) die_open(); |
| 53 | if (lock_ex(fdlock) == -1) die_lock(); |
| 54 | r = read(fd,tcpto_buf,sizeof(tcpto_buf)); |
| 55 | close(fd); |
| 56 | close(fdlock); |
| 57 | |
| 58 | if (r == -1) die_read(); |
| 59 | r >>= 4; |
| 60 | |
| 61 | start = now(); |
| 62 | |
| 63 | record = tcpto_buf; |
| 64 | for (i = 0;i < r;++i) |
| 65 | { |
| 66 | if (record[4] >= 1) |
| 67 | { |
| 68 | byte_copy(&ip,4,record); |
| 69 | when = (unsigned long) (unsigned char) record[11]; |
| 70 | when = (when << 8) + (unsigned long) (unsigned char) record[10]; |
| 71 | when = (when << 8) + (unsigned long) (unsigned char) record[9]; |
| 72 | when = (when << 8) + (unsigned long) (unsigned char) record[8]; |
| 73 | |
| 74 | substdio_put(subfdout,tmp,ip_fmt(tmp,&ip)); |
| 75 | substdio_puts(subfdout," timed out "); |
| 76 | substdio_put(subfdout,tmp,fmt_ulong(tmp,(unsigned long) (start - when))); |
| 77 | substdio_puts(subfdout," seconds ago; # recent timeouts: "); |
| 78 | substdio_put(subfdout,tmp,fmt_ulong(tmp,(unsigned long) (unsigned char) record[4])); |
| 79 | substdio_puts(subfdout,"\n"); |
| 80 | } |
| 81 | record += 16; |
| 82 | } |
| 83 | |
| 84 | die(0); |
| 85 | } |