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 static struct swit switches[] = {
  17 #define ALIASW                0
  18     { "alias aliasfile", 0 },
  19 #define NALIASW               1
  20     { "noalias", -7 },
  21 #define LISTSW                2
  22     { "list", 0 },
  23 #define NLISTSW               3
  24     { "nolist", 0 },
  25 #define NORMSW                4
  26     { "normalize", 0 },
  27 #define NNORMSW               5
  28     { "nonormalize", 0 },
  29 #define USERSW                6
  30     { "user", 0 },
  31 #define NUSERSW               7
  32     { "nouser", 0 },
  33 #define VERSIONSW             8
  34     { "version", 0 },
  35 #define HELPSW                9
  36     { "help", 0 },
  37     { NULL, 0 }
  38 };
  39
  40 static int pos = 1;
  41
  42 extern struct aka *akahead;
  43
  44 /*
  45  * prototypes
  46  */
  47 static void print_aka (char *, int, int);
  48 static void print_usr (char *, int, int);
  49
  50
  51 int
  52 main (int argc, char **argv)
  53 {
  54     int i, vecp = 0, inverted = 0, list = 0;
  55     int noalias = 0, normalize = AD_NHST;
  56     char *cp, **ap, **argp, buf[BUFSIZ];
  57     /* Really only need to allocate for argc-1, but must allocate at least 1,
  58        so go ahead and allocate for argc char pointers. */
  59     char **vec = mh_xmalloc (argc * sizeof (char *)), **arguments;
  60     struct aka *ak;
  61
  62 #ifdef LOCALE
  63     setlocale(LC_ALL, "");
  64 #endif
  65     invo_name = r1bindex (argv[0], '/');
  66
  67     /* read user profile/context */
  68     context_read();
  69
  70     mts_init (invo_name);
  71     arguments = getarguments (invo_name, argc, argv, 1);
  72     argp = arguments;
  73
  74     while ((cp = *argp++)) {
  75         if (*cp == '-') {
  76             switch (smatch (++cp, switches)) {
  77                 case AMBIGSW:
  78                     ambigsw (cp, switches);
  79                     done (1);
  80                 case UNKWNSW:
  81                     adios (NULL, "-%s unknown", cp);
  82
  83                 case HELPSW:
  84                     snprintf (buf, sizeof(buf), "%s [switches] aliases ...",
  85                         invo_name);
  86                     print_help (buf, switches, 1);
  87                     done (0);
  88                 case VERSIONSW:
  89                     print_version (invo_name);
  90                     done (0);
  91
  92                 case ALIASW:
  93                     if (!(cp = *argp++) || *cp == '-')
  94                         adios (NULL, "missing argument to %s", argp[-2]);
  95                     if ((i = alias (cp)) != AK_OK)
  96                         adios (NULL, "aliasing error in %s - %s", cp, akerror (i));
  97                     continue;
  98                 case NALIASW:
  99                     noalias++;
 100                     continue;
 101
 102                 case LISTSW:
 103                     list++;
 104                     continue;
 105                 case NLISTSW:
 106                     list = 0;
 107                     continue;
 108
 109                 case NORMSW:
 110                     normalize = AD_HOST;
 111                     continue;
 112                 case NNORMSW:
 113                     normalize = AD_NHST;
 114                     continue;
 115
 116                 case USERSW:
 117                     inverted++;
 118                     continue;
 119                 case NUSERSW:
 120                     inverted = 0;
 121                     continue;
 122             }
 123         }
 124
 125         if (vecp < argc) {
 126             vec[vecp++] = cp;
 127         } else {
 128             /* Should never happen, but try to protect against code changes
 129                that could allow it. */
 130             adios (NULL, "too many arguments");
 131         }
 132     }
 133
 134     if (!noalias) {
 135         /* allow Aliasfile: profile entry */
 136         if ((cp = context_find ("Aliasfile"))) {
 137             char *dp = NULL;
 138
 139             for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++)
 140                 if ((i = alias (*ap)) != AK_OK)
 141                     adios (NULL, "aliasing error in %s - %s", *ap, akerror (i));
 142             if (dp)
 143                 free(dp);
 144         }
 145         alias (AliasFile);
 146     }
 147
 148     /*
 149      * If -user is specified
 150      */
 151     if (inverted) {
 152         if (vecp == 0)
 153             adios (NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 154                    invo_name);
 155
 156         for (i = 0; i < vecp; i++)
 157             print_usr (vec[i], list, normalize);
 158     } else {
 159         if (vecp) {
 160             /* print specified aliases */
 161             for (i = 0; i < vecp; i++)
 162                 print_aka (akvalue (vec[i]), list, 0);
 163         } else {
 164             /* print them all */
 165             for (ak = akahead; ak; ak = ak->ak_next) {
 166                 printf ("%s: ", ak->ak_name);
 167                 pos += strlen (ak->ak_name) + 1;
 168                 print_aka (akresult (ak), list, pos);
 169             }
 170         }
 171     }
 172
 173     free (vec);
 174     done (0);
 175     return 1;
 176 }
 177
 178 static void
 179 print_aka (char *p, int list, int margin)
 180 {
 181     char c;
 182
 183     if (p == NULL) {
 184         printf ("<empty>\n");
 185         return;
 186     }
 187
 188     while ((c = *p++)) {
 189         switch (c) {
 190             case ',':
 191                 if (*p) {
 192                     if (list)
 193                         printf ("\n%*s", margin, "");
 194                     else {
 195                         if (pos >= 68) {
 196                             printf (",\n ");
 197                             pos = 2;
 198                         } else {
 199                             printf (", ");
 200                             pos += 2;
 201                         }
 202                     }
 203                 }
 204
 205             case 0:
 206                 break;
 207
 208             default:
 209                 pos++;
 210                 putchar (c);
 211         }
 212     }
 213
 214     putchar ('\n');
 215     pos = 1;
 216 }
 217
 218 static void
 219 print_usr (char *s, int list, int norm)
 220 {
 221     register char *cp, *pp, *vp;
 222     register struct aka *ak;
 223     register struct mailname *mp, *np;
 224
 225     if ((pp = getname (s)) == NULL)
 226         adios (NULL, "no address in \"%s\"", s);
 227     if ((mp = getm (pp, NULL, 0, norm, NULL)) == NULL)
 228         adios (NULL, "bad address \"%s\"", s);
 229     while (getname (""))
 230         continue;
 231
 232     vp = NULL;
 233     for (ak = akahead; ak; ak = ak->ak_next) {
 234         pp = akresult (ak);
 235         while ((cp = getname (pp))) {
 236             if ((np = getm (cp, NULL, 0, norm, NULL)) == NULL)
 237                 continue;
 238             if (!mh_strcasecmp (mp->m_host, np->m_host)
 239                     && !mh_strcasecmp (mp->m_mbox, np->m_mbox)) {
 240                 vp = vp ? add (ak->ak_name, add (",", vp))
 241                     : getcpy (ak->ak_name);
 242                 mnfree (np);
 243                 while (getname (""))
 244                     continue;
 245                 break;
 246             }
 247             mnfree (np);
 248         }
 249     }
 250     mnfree (mp);
 251
 252 #if 0
 253     printf ("%s: ", s);
 254     print_aka (vp ? vp : s, list, pos += strlen (s) + 1);
 255 #else
 256     print_aka (vp ? vp : s, list, 0);
 257 #endif
 258
 259     if (vp)
 260         free (vp);
 261 }