| 1 | /*$Id: ezmlm-tstdig.c,v 1.17 1999/03/20 16:43:42 lindberg Exp $*/ |
| 2 | /*$Name: ezmlm-idx-040 $*/ |
| 3 | |
| 4 | #include <sys/types.h> |
| 5 | #include "stralloc.h" |
| 6 | #include "substdio.h" |
| 7 | #include "readwrite.h" |
| 8 | #include "strerr.h" |
| 9 | #include "sig.h" |
| 10 | #include "getconf.h" |
| 11 | #include "env.h" |
| 12 | #include "fmt.h" |
| 13 | #include "now.h" |
| 14 | #include "lock.h" |
| 15 | #include "sgetopt.h" |
| 16 | #include "errtxt.h" |
| 17 | #include "idx.h" |
| 18 | |
| 19 | #define FATAL "ezmlm-tstdig: fatal: " |
| 20 | |
| 21 | void die_usage() |
| 22 | { |
| 23 | strerr_die1x(100,"ezmlm-tstdig: usage: ezmlm-tstdig [-k kbytes] [-m messages] [-t hours] dir"); |
| 24 | } |
| 25 | |
| 26 | void die_nomem() { strerr_die2x(111,FATAL,ERR_NOMEM); } |
| 27 | |
| 28 | stralloc line = {0}; |
| 29 | |
| 30 | substdio ssnum; |
| 31 | char numbuf[16]; |
| 32 | |
| 33 | char strnum[FMT_ULONG]; |
| 34 | |
| 35 | int flaglocal = 0; |
| 36 | |
| 37 | void main(argc,argv) |
| 38 | int argc; |
| 39 | char **argv; |
| 40 | { |
| 41 | char *dir; |
| 42 | char *local; |
| 43 | char *def; |
| 44 | int opt; |
| 45 | unsigned int pos; |
| 46 | unsigned long num, digsize, dignum; |
| 47 | unsigned long cumsize = 0L; |
| 48 | unsigned long deltanum = 0L; |
| 49 | unsigned long deltawhen = 0L; |
| 50 | unsigned long deltasize = 0L; |
| 51 | unsigned long when, tsttime, digwhen; |
| 52 | int fd,fdlock; |
| 53 | |
| 54 | (void) umask(022); |
| 55 | sig_pipeignore(); |
| 56 | when = (unsigned long) now(); |
| 57 | |
| 58 | while ((opt = getopt(argc,argv,"k:t:m:vV")) != opteof) |
| 59 | switch(opt) { |
| 60 | case 'k': |
| 61 | if (optarg) |
| 62 | scan_ulong(optarg,&deltasize); |
| 63 | break; |
| 64 | case 't': |
| 65 | if (optarg) /* hours */ |
| 66 | scan_ulong(optarg,&deltawhen); |
| 67 | break; |
| 68 | case 'm': |
| 69 | if (optarg) |
| 70 | scan_ulong(optarg,&deltanum); |
| 71 | break; |
| 72 | case 'v': |
| 73 | case 'V': strerr_die2x(0,"ezmlm-tstdig version: ",EZIDX_VERSION); |
| 74 | default: |
| 75 | die_usage(); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | dir = argv[optind++]; |
| 80 | if (!dir) die_usage(); |
| 81 | |
| 82 | if (chdir(dir) == -1) |
| 83 | strerr_die4sys(111,FATAL,ERR_SWITCH,dir,": "); |
| 84 | |
| 85 | if (argv[optind]) |
| 86 | die_usage(); /* avoid common error of putting options after dir */ |
| 87 | if (!getconf_line(&line,"num",0,FATAL,dir)) |
| 88 | _exit(99); /* no msgs no shirt -> no digest */ |
| 89 | if(!stralloc_0(&line)) die_nomem(); |
| 90 | pos = scan_ulong(line.s,&num); |
| 91 | if (line.s[pos] == ':') |
| 92 | scan_ulong(line.s+pos+1,&cumsize); |
| 93 | |
| 94 | if (getconf_line(&line,"dignum",0,FATAL,dir)) { |
| 95 | if(!stralloc_0(&line)) die_nomem(); |
| 96 | pos = scan_ulong(line.s,&dignum); |
| 97 | if (line.s[pos] == ':') |
| 98 | pos += 1 + scan_ulong(line.s+pos+1,&digsize); |
| 99 | if (line.s[pos] == ':') |
| 100 | scan_ulong(line.s+pos+1,&digwhen); |
| 101 | } else { |
| 102 | dignum = 0L; /* no file, not done any digest */ |
| 103 | digsize = 0L; /* nothing digested */ |
| 104 | digwhen = 0L; /* will force a digest, but the last one was eons */ |
| 105 | /* ago. ezmlm-get sends it out only if there are */ |
| 106 | /* messages. This is as it should for new lists. */ |
| 107 | } |
| 108 | local = env_get("LOCAL"); |
| 109 | if (local && *local) { /* in editor or manager */ |
| 110 | def = env_get("DEFAULT"); |
| 111 | if (def && *def) { /* qmail>=1.02 and manager */ |
| 112 | if (!case_starts(def,"dig") || case_starts(def,"digest-")) |
| 113 | _exit(0); |
| 114 | } else { /* older qmail versions or editor */ |
| 115 | if (!getconf_line(&line,"inlocal",0,FATAL,dir)) { |
| 116 | flaglocal = 1; |
| 117 | } else { |
| 118 | pos = str_len(local); |
| 119 | if (pos <= line.len) { /* maybe qmail>=1.02 and editor */ |
| 120 | flaglocal = 1; /* editor and qmail>=1.02. No harm */ |
| 121 | /* if we're wrong */ |
| 122 | } else { /* older qmail */ |
| 123 | if (case_diffb(local,line.len,line.s)) /* local */ |
| 124 | flaglocal = 1; /* minimal harm */ |
| 125 | else if (pos < line.len +4 || /* in manager and non-digest */ |
| 126 | !case_starts(local+line.len,"-dig")) |
| 127 | _exit(0); |
| 128 | else if (case_starts(local+line.len,"-digest-")) |
| 129 | _exit(0); |
| 130 | } |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | if (!deltawhen && !deltasize && !deltanum) _exit(0); |
| 136 | if ((deltawhen && ((digwhen + deltawhen * 3600L) <= when)) || |
| 137 | (deltasize && ((digsize + (deltasize << 2)) <= cumsize)) || |
| 138 | (deltanum && ((dignum + deltanum) <= num))) { /* digest! */ |
| 139 | if (flaglocal) { /* avoid multiple digests. Of course, ezmlm-tstdig*/ |
| 140 | /* belongs in ezmlm-digest, but it's too late ....*/ |
| 141 | fdlock = open_append("lock"); |
| 142 | if (fdlock == -1) |
| 143 | strerr_die2sys(111,FATAL,ERR_OPEN_LOCK); |
| 144 | if (lock_ex(fdlock) == -1) { |
| 145 | close(fdlock); |
| 146 | strerr_die2sys(111,FATAL,ERR_OBTAIN_LOCK); |
| 147 | } |
| 148 | getconf_line(&line,"tstdig",0,dir,FATAL); |
| 149 | if (!stralloc_0(&line)) die_nomem(); |
| 150 | scan_ulong(line.s,&tsttime); /* give digest 1 h to complete */ |
| 151 | /* nobody does digests more often */ |
| 152 | if ((tsttime + 3600L < when) || (tsttime <= digwhen)) { |
| 153 | fd = open_trunc("tstdign"); |
| 154 | if (fd == -1) |
| 155 | strerr_die6sys(111,FATAL,ERR_CREATE,dir,"/","tstdign",": "); |
| 156 | substdio_fdbuf(&ssnum,write,fd,numbuf,sizeof(numbuf)); |
| 157 | if (substdio_put(&ssnum,strnum,fmt_ulong(strnum,when)) == -1) |
| 158 | strerr_die6sys(111,FATAL,ERR_WRITE,dir,"/","tstdign",": "); |
| 159 | if (substdio_puts(&ssnum,"\n") == -1) |
| 160 | strerr_die6sys(111,FATAL,ERR_WRITE,dir,"/","tstdign",": "); |
| 161 | if (substdio_flush(&ssnum) == -1) |
| 162 | strerr_die6sys(111,FATAL,ERR_FLUSH,dir,"/","tstdign",": "); |
| 163 | if (fsync(fd) == -1) |
| 164 | strerr_die6sys(111,FATAL,ERR_SYNC,dir,"/","tstdign",": "); |
| 165 | if (close(fd) == -1) |
| 166 | strerr_die6sys(111,FATAL,ERR_CLOSE,dir,"/","tstdign",": "); |
| 167 | if (rename("tstdign","tstdig") == -1) |
| 168 | strerr_die4sys(111,FATAL,ERR_MOVE,"tstdign",": "); |
| 169 | _exit(0); |
| 170 | } |
| 171 | } else |
| 172 | _exit(0); |
| 173 | } |
| 174 | _exit(99); |
| 175 | } |
| 176 | |