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("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 #ifdef LOCALE
  57     setlocale(LC_ALL, "");
  58 #endif
  59     invo_name = r1bindex (argv[0], '/');
  60
  61     /* read user profile/context */
  62     context_read();
  63
  64     mts_init (invo_name);
  65     arguments = getarguments (invo_name, argc, argv, 1);
  66     argp = arguments;
  67
  68     while ((cp = *argp++)) {
  69         if (*cp == '-') {
  70             switch (smatch (++cp, switches)) {
  71                 case AMBIGSW:
  72                     ambigsw (cp, switches);
  73                     done (1);
  74                 case UNKWNSW:
  75                     adios (NULL, "-%s unknown", cp);
  76
  77                 case HELPSW:
  78                     snprintf (buf, sizeof(buf), "%s [switches] aliases ...",
  79                         invo_name);
  80                     print_help (buf, switches, 1);
  81                     done (0);
  82                 case VERSIONSW:
  83                     print_version (invo_name);
  84                     done (0);
  85
  86                 case ALIASW:
  87                     if (!(cp = *argp++) || *cp == '-')
  88                         adios (NULL, "missing argument to %s", argp[-2]);
  89                     if ((i = alias (cp)) != AK_OK)
  90                         adios (NULL, "aliasing error in %s - %s", cp, akerror (i));
  91                     continue;
  92                 case NALIASW:
  93                     noalias++;
  94                     continue;
  95
  96                 case LISTSW:
  97                     list++;
  98                     continue;
  99                 case NLISTSW:
 100                     list = 0;
 101                     continue;
 102
 103                 case USERSW:
 104                     inverted++;
 105                     continue;
 106                 case NUSERSW:
 107                     inverted = 0;
 108                     continue;
 109             }
 110         }
 111
 112         if (vecp < argc) {
 113             vec[vecp++] = cp;
 114         } else {
 115             /* Should never happen, but try to protect against code changes
 116                that could allow it. */
 117             adios (NULL, "too many arguments");
 118         }
 119     }
 120
 121     if (!noalias) {
 122         /* allow Aliasfile: profile entry */
 123         if ((cp = context_find ("Aliasfile"))) {
 124             char *dp = NULL;
 125
 126             for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++)
 127                 if ((i = alias (*ap)) != AK_OK)
 128                     adios (NULL, "aliasing error in %s - %s", *ap, akerror (i));
 129             if (dp)
 130                 free(dp);
 131         }
 132         alias (AliasFile);
 133     }
 134
 135     /*
 136      * If -user is specified
 137      */
 138     if (inverted) {
 139         if (vecp == 0)
 140             adios (NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 141                    invo_name);
 142
 143         for (i = 0; i < vecp; i++)
 144             print_usr (vec[i], list);
 145     } else {
 146         if (vecp) {
 147             /* print specified aliases */
 148             for (i = 0; i < vecp; i++)
 149                 print_aka (akvalue (vec[i]), list, 0);
 150         } else {
 151             /* print them all */
 152             for (ak = akahead; ak; ak = ak->ak_next) {
 153                 printf ("%s: ", ak->ak_name);
 154                 pos += strlen (ak->ak_name) + 1;
 155                 print_aka (akresult (ak), list, pos);
 156             }
 157         }
 158     }
 159
 160     free (vec);
 161     done (0);
 162     return 1;
 163 }
 164
 165 static void
 166 print_aka (char *p, int list, int margin)
 167 {
 168     char c;
 169
 170     if (p == NULL) {
 171         printf ("<empty>\n");
 172         return;
 173     }
 174
 175     while ((c = *p++)) {
 176         switch (c) {
 177             case ',':
 178                 if (*p) {
 179                     if (list)
 180                         printf ("\n%*s", margin, "");
 181                     else {
 182                         if (pos >= 68) {
 183                             printf (",\n ");
 184                             pos = 2;
 185                         } else {
 186                             printf (", ");
 187                             pos += 2;
 188                         }
 189                     }
 190                 }
 191
 192             case 0:
 193                 break;
 194
 195             default:
 196                 pos++;
 197                 putchar (c);
 198         }
 199     }
 200
 201     putchar ('\n');
 202     pos = 1;
 203 }
 204
 205 static void
 206 print_usr (char *s, int list)
 207 {
 208     register char *cp, *pp, *vp;
 209     register struct aka *ak;
 210     register struct mailname *mp, *np;
 211
 212     if ((pp = getname (s)) == NULL)
 213         adios (NULL, "no address in \"%s\"", s);
 214     if ((mp = getm (pp, NULL, 0, NULL, 0)) == NULL)
 215         adios (NULL, "bad address \"%s\"", s);
 216     while (getname (""))
 217         continue;
 218
 219     vp = NULL;
 220     for (ak = akahead; ak; ak = ak->ak_next) {
 221         pp = akresult (ak);
 222         while ((cp = getname (pp))) {
 223             if ((np = getm (cp, NULL, 0, NULL, 0)) == NULL)
 224                 continue;
 225             if (!strcasecmp (mp->m_host ? mp->m_host : "",
 226                              np->m_host ? np->m_host : "")  &&
 227                 !strcasecmp (mp->m_mbox ? mp->m_mbox : "",
 228                              np->m_mbox ? np->m_mbox : "")) {
 229                 vp = vp ? add (ak->ak_name, add (",", vp))
 230                     : getcpy (ak->ak_name);
 231                 mnfree (np);
 232                 while (getname (""))
 233                     continue;
 234                 break;
 235             }
 236             mnfree (np);
 237         }
 238     }
 239     mnfree (mp);
 240
 241     print_aka (vp ? vp : s, list, 0);
 242
 243     if (vp)
 244         free (vp);
 245 }