diplodocus.org Git - nmh/blob - uip/ali.c

   1
   2 /*
   3  * ali.c -- list nmh mail aliases
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <h/addrsbr.h>
  14 #include <h/aliasbr.h>
  15 #include <h/mts.h>
  16 #include <h/utils.h>
  17
  18 /*
  19  * maximum number of names
  20  */
  21 #define NVEC 50
  22
  23 static struct swit switches[] = {
  24 #define ALIASW                0
  25     { "alias aliasfile", 0 },
  26 #define NALIASW               1
  27     { "noalias", -7 },
  28 #define LISTSW                2
  29     { "list", 0 },
  30 #define NLISTSW               3
  31     { "nolist", 0 },
  32 #define NORMSW                4
  33     { "normalize", 0 },
  34 #define NNORMSW               5
  35     { "nonormalize", 0 },
  36 #define USERSW                6
  37     { "user", 0 },
  38 #define NUSERSW               7
  39     { "nouser", 0 },
  40 #define VERSIONSW             8
  41     { "version", 0 },
  42 #define HELPSW                9
  43     { "help", 0 },
  44     { NULL, 0 }
  45 };
  46
  47 static int pos = 1;
  48
  49 extern struct aka *akahead;
  50
  51 /*
  52  * prototypes
  53  */
  54 static void print_aka (char *, int, int);
  55 static void print_usr (char *, int, int);
  56
  57
  58 int
  59 main (int argc, char **argv)
  60 {
  61     int i, vecp = 0, inverted = 0, list = 0;
  62     int noalias = 0, normalize = AD_NHST;
  63     char *cp, **ap, **argp, buf[BUFSIZ];
  64     char *vec[NVEC], **arguments;
  65     struct aka *ak;
  66
  67 #ifdef LOCALE
  68     setlocale(LC_ALL, "");
  69 #endif
  70     invo_name = r1bindex (argv[0], '/');
  71
  72     /* read user profile/context */
  73     context_read();
  74
  75     mts_init (invo_name);
  76     arguments = getarguments (invo_name, argc, argv, 1);
  77     argp = arguments;
  78
  79     while ((cp = *argp++)) {
  80         if (*cp == '-') {
  81             switch (smatch (++cp, switches)) {
  82                 case AMBIGSW:
  83                     ambigsw (cp, switches);
  84                     done (1);
  85                 case UNKWNSW:
  86                     adios (NULL, "-%s unknown", cp);
  87
  88                 case HELPSW:
  89                     snprintf (buf, sizeof(buf), "%s [switches] aliases ...",
  90                         invo_name);
  91                     print_help (buf, switches, 1);
  92                     done (1);
  93                 case VERSIONSW:
  94                     print_version (invo_name);
  95                     done (1);
  96
  97                 case ALIASW:
  98                     if (!(cp = *argp++) || *cp == '-')
  99                         adios (NULL, "missing argument to %s", argp[-2]);
 100                     if ((i = alias (cp)) != AK_OK)
 101                         adios (NULL, "aliasing error in %s - %s", cp, akerror (i));
 102                     continue;
 103                 case NALIASW:
 104                     noalias++;
 105                     continue;
 106
 107                 case LISTSW:
 108                     list++;
 109                     continue;
 110                 case NLISTSW:
 111                     list = 0;
 112                     continue;
 113
 114                 case NORMSW:
 115                     normalize = AD_HOST;
 116                     continue;
 117                 case NNORMSW:
 118                     normalize = AD_NHST;
 119                     continue;
 120
 121                 case USERSW:
 122                     inverted++;
 123                     continue;
 124                 case NUSERSW:
 125                     inverted = 0;
 126                     continue;
 127             }
 128         }
 129         vec[vecp++] = cp;
 130     }
 131
 132     if (!noalias) {
 133         /* allow Aliasfile: profile entry */
 134         if ((cp = context_find ("Aliasfile"))) {
 135             char *dp = NULL;
 136
 137             for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++)
 138                 if ((i = alias (*ap)) != AK_OK)
 139                     adios (NULL, "aliasing error in %s - %s", *ap, akerror (i));
 140             if (dp)
 141                 free(dp);
 142         }
 143         alias (AliasFile);
 144     }
 145
 146     /*
 147      * If -user is specified
 148      */
 149     if (inverted) {
 150         if (vecp == 0)
 151             adios (NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 152                    invo_name);
 153
 154         for (i = 0; i < vecp; i++)
 155             print_usr (vec[i], list, normalize);
 156
 157         done (0);
 158     }
 159
 160     if (vecp) {
 161         /* print specified aliases */
 162         for (i = 0; i < vecp; i++)
 163             print_aka (akvalue (vec[i]), list, 0);
 164     } else {
 165         /* print them all */
 166         for (ak = akahead; ak; ak = ak->ak_next) {
 167             printf ("%s: ", ak->ak_name);
 168             pos += strlen (ak->ak_name) + 1;
 169             print_aka (akresult (ak), list, pos);
 170         }
 171     }
 172
 173     done (0);
 174     return 1;
 175 }
 176
 177 static void
 178 print_aka (char *p, int list, int margin)
 179 {
 180     char c;
 181
 182     if (p == NULL) {
 183         printf ("<empty>\n");
 184         return;
 185     }
 186
 187     while ((c = *p++)) {
 188         switch (c) {
 189             case ',':
 190                 if (*p) {
 191                     if (list)
 192                         printf ("\n%*s", margin, "");
 193                     else {
 194                         if (pos >= 68) {
 195                             printf (",\n ");
 196                             pos = 2;
 197                         } else {
 198                             printf (", ");
 199                             pos += 2;
 200                         }
 201                     }
 202                 }
 203
 204             case 0:
 205                 break;
 206
 207             default:
 208                 pos++;
 209                 putchar (c);
 210         }
 211     }
 212
 213     putchar ('\n');
 214     pos = 1;
 215 }
 216
 217 static void
 218 print_usr (char *s, int list, int norm)
 219 {
 220     register char *cp, *pp, *vp;
 221     register struct aka *ak;
 222     register struct mailname *mp, *np;
 223
 224     if ((pp = getname (s)) == NULL)
 225         adios (NULL, "no address in \"%s\"", s);
 226     if ((mp = getm (pp, NULL, 0, norm, NULL)) == NULL)
 227         adios (NULL, "bad address \"%s\"", s);
 228     while (getname (""))
 229         continue;
 230
 231     vp = NULL;
 232     for (ak = akahead; ak; ak = ak->ak_next) {
 233         pp = akresult (ak);
 234         while ((cp = getname (pp))) {
 235             if ((np = getm (cp, NULL, 0, norm, NULL)) == NULL)
 236                 continue;
 237             if (!mh_strcasecmp (mp->m_host, np->m_host)
 238                     && !mh_strcasecmp (mp->m_mbox, np->m_mbox)) {
 239                 vp = vp ? add (ak->ak_name, add (",", vp))
 240                     : getcpy (ak->ak_name);
 241                 mnfree (np);
 242                 while (getname (""))
 243                     continue;
 244                 break;
 245             }
 246             mnfree (np);
 247         }
 248     }
 249     mnfree (mp);
 250
 251 #if 0
 252     printf ("%s: ", s);
 253     print_aka (vp ? vp : s, list, pos += strlen (s) + 1);
 254 #else
 255     print_aka (vp ? vp : s, list, 0);
 256 #endif
 257
 258     if (vp)
 259         free (vp);
 260 }