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 "sbr/error.h"
  10 #include <h/addrsbr.h>
  11 #include <h/aliasbr.h>
  12 #include <h/mts.h>
  13 #include "h/done.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 *, bool, int);
  42 static void print_usr (char *, bool);
  43
  44
  45 int
  46 main (int argc, char **argv)
  47 {
  48     int i, vecp = 0;
  49     bool inverted, list, noalias;
  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], true, true)) { return 1; }
  57
  58     mts_init ();
  59     arguments = getarguments (invo_name, argc, argv, 1);
  60     argp = arguments;
  61
  62     inverted = list = noalias = false;
  63     while ((cp = *argp++)) {
  64         if (*cp == '-') {
  65             switch (smatch (++cp, switches)) {
  66                 case AMBIGSW:
  67                     ambigsw (cp, switches);
  68                     done (1);
  69                 case UNKWNSW:
  70                     die("-%s unknown", cp);
  71
  72                 case HELPSW:
  73                     snprintf (buf, sizeof(buf), "%s [switches] aliases ...",
  74                         invo_name);
  75                     print_help (buf, switches, 1);
  76                     done (0);
  77                 case VERSIONSW:
  78                     print_version (invo_name);
  79                     done (0);
  80
  81                 case ALIASW:
  82                     if (!(cp = *argp++) || *cp == '-')
  83                         die("missing argument to %s", argp[-2]);
  84                     if ((i = alias (cp)) != AK_OK)
  85                         die("aliasing error in %s - %s", cp, akerror (i));
  86                     continue;
  87                 case NALIASW:
  88                     noalias = true;
  89                     continue;
  90
  91                 case LISTSW:
  92                     list = true;
  93                     continue;
  94                 case NLISTSW:
  95                     list = false;
  96                     continue;
  97
  98                 case USERSW:
  99                     inverted = true;
 100                     continue;
 101                 case NUSERSW:
 102                     inverted = false;
 103                     continue;
 104             }
 105         }
 106
 107         if (vecp < argc) {
 108             vec[vecp++] = cp;
 109         } else {
 110             /* Should never happen, but try to protect against code changes
 111                that could allow it. */
 112             die("too many arguments");
 113         }
 114     }
 115
 116     if (!noalias) {
 117         /* allow Aliasfile: profile entry */
 118         if ((cp = context_find ("Aliasfile"))) {
 119             char *dp = NULL;
 120
 121             for (ap = brkstring(dp = mh_xstrdup(cp), " ", "\n"); ap && *ap; ap++)
 122                 if ((i = alias (*ap)) != AK_OK)
 123                     die("aliasing error in %s - %s", *ap, akerror (i));
 124             free(dp);
 125         }
 126         alias (AliasFile);
 127     }
 128
 129     /*
 130      * If -user is specified
 131      */
 132     if (inverted) {
 133         if (vecp == 0)
 134             die("usage: %s -user addresses ...  (you forgot the addresses)",
 135                    invo_name);
 136
 137         for (i = 0; i < vecp; i++)
 138             print_usr (vec[i], list);
 139     } else {
 140         if (vecp) {
 141             /* print specified aliases */
 142             for (i = 0; i < vecp; i++)
 143                 print_aka (akvalue (vec[i]), list, 0);
 144         } else {
 145             /* print them all */
 146             for (ak = akahead; ak; ak = ak->ak_next) {
 147                 char *res;
 148
 149                 printf ("%s: ", ak->ak_name);
 150                 pos += strlen (ak->ak_name) + 1;
 151                 res = akresult(ak);
 152                 print_aka(res, list, pos);
 153                 free(res);
 154             }
 155         }
 156     }
 157
 158     free (vec);
 159     done (0);
 160     return 1;
 161 }
 162
 163 static void
 164 print_aka (char *p, bool list, int margin)
 165 {
 166     char c;
 167
 168     if (p == NULL) {
 169         puts("<empty>");
 170         return;
 171     }
 172
 173     while ((c = *p++)) {
 174         switch (c) {
 175             case ',':
 176                 if (*p) {
 177                     if (list)
 178                         printf ("\n%*s", margin, "");
 179                     else {
 180                         if (pos >= 68) {
 181                             fputs(",\n ", stdout);
 182                             pos = 2;
 183                         } else {
 184                             fputs(", ", stdout);
 185                             pos += 2;
 186                         }
 187                     }
 188                 }
 189
 190             case 0:
 191                 break;
 192
 193             default:
 194                 pos++;
 195                 putchar (c);
 196         }
 197     }
 198
 199     putchar ('\n');
 200     pos = 1;
 201 }
 202
 203 static void
 204 print_usr (char *s, bool list)
 205 {
 206     char *cp, *pp, *vp;
 207     struct aka *ak;
 208     struct mailname *mp, *np;
 209
 210     if ((pp = getname (s)) == NULL)
 211         die("no address in \"%s\"", s);
 212     if ((mp = getm (pp, NULL, 0, NULL, 0)) == NULL)
 213         die("bad address \"%s\"", s);
 214     while (getname (""))
 215         continue;
 216
 217     vp = NULL;
 218     for (ak = akahead; ak; ak = ak->ak_next) {
 219         pp = akresult (ak);
 220         while ((cp = getname (pp))) {
 221             if ((np = getm (cp, NULL, 0, NULL, 0)) == NULL)
 222                 continue;
 223             if (!strcasecmp (FENDNULL(mp->m_host),
 224                              FENDNULL(np->m_host))  &&
 225                 !strcasecmp (FENDNULL(mp->m_mbox),
 226                              FENDNULL(np->m_mbox))) {
 227                 vp = vp ? add (ak->ak_name, add (",", vp))
 228                     : getcpy (ak->ak_name);
 229                 mnfree (np);
 230                 while (getname (""))
 231                     continue;
 232                 break;
 233             }
 234             mnfree (np);
 235         }
 236     }
 237     mnfree (mp);
 238
 239     print_aka (vp ? vp : s, list, 0);
 240
 241     free(vp);
 242 }