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

   1 /* ali.c -- list nmh mail aliases
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include <h/mh.h>
   9 #include <h/addrsbr.h>
  10 #include <h/aliasbr.h>
  11 #include <h/mts.h>
  12 #include <h/utils.h>
  13
  14 #define ALI_SWITCHES \
  15     X("alias aliasfile", 0, ALIASW) \
  16     X("noalias", 0, NALIASW) \
  17     X("list", 0, LISTSW) \
  18     X("nolist", 0, NLISTSW) \
  19     X("user", 0, USERSW) \
  20     X("nouser", 0, NUSERSW) \
  21     X("version", 0, VERSIONSW) \
  22     X("help", 0, HELPSW) \
  23
  24 #define X(sw, minchars, id) id,
  25 DEFINE_SWITCH_ENUM(ALI);
  26 #undef X
  27
  28 #define X(sw, minchars, id) { sw, minchars, id },
  29 DEFINE_SWITCH_ARRAY(ALI, switches);
  30 #undef X
  31
  32 static int pos = 1;
  33
  34 extern struct aka *akahead;
  35
  36 /*
  37  * prototypes
  38  */
  39 static void print_aka (char *, int, int);
  40 static void print_usr (char *, int);
  41
  42
  43 int
  44 main (int argc, char **argv)
  45 {
  46     int i, vecp = 0, inverted = 0, list = 0;
  47     int noalias = 0;
  48     char *cp, **ap, **argp, buf[BUFSIZ];
  49     /* Really only need to allocate for argc-1, but must allocate at least 1,
  50        so go ahead and allocate for argc char pointers. */
  51     char **vec = mh_xmalloc (argc * sizeof (char *)), **arguments;
  52     struct aka *ak;
  53
  54     if (nmh_init(argv[0], 1)) { return 1; }
  55
  56     mts_init ();
  57     arguments = getarguments (invo_name, argc, argv, 1);
  58     argp = arguments;
  59
  60     while ((cp = *argp++)) {
  61         if (*cp == '-') {
  62             switch (smatch (++cp, switches)) {
  63                 case AMBIGSW:
  64                     ambigsw (cp, switches);
  65                     done (1);
  66                 case UNKWNSW:
  67                     adios (NULL, "-%s unknown", cp);
  68
  69                 case HELPSW:
  70                     snprintf (buf, sizeof(buf), "%s [switches] aliases ...",
  71                         invo_name);
  72                     print_help (buf, switches, 1);
  73                     done (0);
  74                 case VERSIONSW:
  75                     print_version (invo_name);
  76                     done (0);
  77
  78                 case ALIASW:
  79                     if (!(cp = *argp++) || *cp == '-')
  80                         adios (NULL, "missing argument to %s", argp[-2]);
  81                     if ((i = alias (cp)) != AK_OK)
  82                         adios (NULL, "aliasing error in %s - %s", cp, akerror (i));
  83                     continue;
  84                 case NALIASW:
  85                     noalias++;
  86                     continue;
  87
  88                 case LISTSW:
  89                     list++;
  90                     continue;
  91                 case NLISTSW:
  92                     list = 0;
  93                     continue;
  94
  95                 case USERSW:
  96                     inverted++;
  97                     continue;
  98                 case NUSERSW:
  99                     inverted = 0;
 100                     continue;
 101             }
 102         }
 103
 104         if (vecp < argc) {
 105             vec[vecp++] = cp;
 106         } else {
 107             /* Should never happen, but try to protect against code changes
 108                that could allow it. */
 109             adios (NULL, "too many arguments");
 110         }
 111     }
 112
 113     if (!noalias) {
 114         /* allow Aliasfile: profile entry */
 115         if ((cp = context_find ("Aliasfile"))) {
 116             char *dp = NULL;
 117
 118             for (ap = brkstring(dp = mh_xstrdup(cp), " ", "\n"); ap && *ap; ap++)
 119                 if ((i = alias (*ap)) != AK_OK)
 120                     adios (NULL, "aliasing error in %s - %s", *ap, akerror (i));
 121             mh_xfree(dp);
 122         }
 123         alias (AliasFile);
 124     }
 125
 126     /*
 127      * If -user is specified
 128      */
 129     if (inverted) {
 130         if (vecp == 0)
 131             adios (NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 132                    invo_name);
 133
 134         for (i = 0; i < vecp; i++)
 135             print_usr (vec[i], list);
 136     } else {
 137         if (vecp) {
 138             /* print specified aliases */
 139             for (i = 0; i < vecp; i++)
 140                 print_aka (akvalue (vec[i]), list, 0);
 141         } else {
 142             /* print them all */
 143             for (ak = akahead; ak; ak = ak->ak_next) {
 144                 char *res;
 145
 146                 printf ("%s: ", ak->ak_name);
 147                 pos += strlen (ak->ak_name) + 1;
 148                 res = akresult(ak);
 149                 print_aka(res, list, pos);
 150                 free(res);
 151             }
 152         }
 153     }
 154
 155     free (vec);
 156     done (0);
 157     return 1;
 158 }
 159
 160 static void
 161 print_aka (char *p, int list, int margin)
 162 {
 163     char c;
 164
 165     if (p == NULL) {
 166         puts("<empty>");
 167         return;
 168     }
 169
 170     while ((c = *p++)) {
 171         switch (c) {
 172             case ',':
 173                 if (*p) {
 174                     if (list)
 175                         printf ("\n%*s", margin, "");
 176                     else {
 177                         if (pos >= 68) {
 178                             printf (",\n ");
 179                             pos = 2;
 180                         } else {
 181                             printf (", ");
 182                             pos += 2;
 183                         }
 184                     }
 185                 }
 186
 187             case 0:
 188                 break;
 189
 190             default:
 191                 pos++;
 192                 putchar (c);
 193         }
 194     }
 195
 196     putchar ('\n');
 197     pos = 1;
 198 }
 199
 200 static void
 201 print_usr (char *s, int list)
 202 {
 203     char *cp, *pp, *vp;
 204     struct aka *ak;
 205     struct mailname *mp, *np;
 206
 207     if ((pp = getname (s)) == NULL)
 208         adios (NULL, "no address in \"%s\"", s);
 209     if ((mp = getm (pp, NULL, 0, NULL, 0)) == NULL)
 210         adios (NULL, "bad address \"%s\"", s);
 211     while (getname (""))
 212         continue;
 213
 214     vp = NULL;
 215     for (ak = akahead; ak; ak = ak->ak_next) {
 216         pp = akresult (ak);
 217         while ((cp = getname (pp))) {
 218             if ((np = getm (cp, NULL, 0, NULL, 0)) == NULL)
 219                 continue;
 220             if (!strcasecmp (FENDNULL(mp->m_host),
 221                              FENDNULL(np->m_host))  &&
 222                 !strcasecmp (FENDNULL(mp->m_mbox),
 223                              FENDNULL(np->m_mbox))) {
 224                 vp = vp ? add (ak->ak_name, add (",", vp))
 225                     : getcpy (ak->ak_name);
 226                 mnfree (np);
 227                 while (getname (""))
 228                     continue;
 229                 break;
 230             }
 231             mnfree (np);
 232         }
 233     }
 234     mnfree (mp);
 235
 236     print_aka (vp ? vp : s, list, 0);
 237
 238     mh_xfree(vp);
 239 }