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