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

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