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