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     if (nmh_init(argv[0], 1)) { return 1; }
  57
  58     mts_init (invo_name);
  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 = getcpy(cp), " ", "\n"); ap && *ap; ap++)
 121                 if ((i = alias (*ap)) != AK_OK)
 122                     adios (NULL, "aliasing error in %s - %s", *ap, akerror (i));
 123             if (dp)
 124                 free(dp);
 125         }
 126         alias (AliasFile);
 127     }
 128
 129     /*
 130      * If -user is specified
 131      */
 132     if (inverted) {
 133         if (vecp == 0)
 134             adios (NULL, "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                 printf ("%s: ", ak->ak_name);
 148                 pos += strlen (ak->ak_name) + 1;
 149                 print_aka (akresult (ak), list, pos);
 150             }
 151         }
 152     }
 153
 154     free (vec);
 155     done (0);
 156     return 1;
 157 }
 158
 159 static void
 160 print_aka (char *p, int list, int margin)
 161 {
 162     char c;
 163
 164     if (p == NULL) {
 165         printf ("<empty>\n");
 166         return;
 167     }
 168
 169     while ((c = *p++)) {
 170         switch (c) {
 171             case ',':
 172                 if (*p) {
 173                     if (list)
 174                         printf ("\n%*s", margin, "");
 175                     else {
 176                         if (pos >= 68) {
 177                             printf (",\n ");
 178                             pos = 2;
 179                         } else {
 180                             printf (", ");
 181                             pos += 2;
 182                         }
 183                     }
 184                 }
 185
 186             case 0:
 187                 break;
 188
 189             default:
 190                 pos++;
 191                 putchar (c);
 192         }
 193     }
 194
 195     putchar ('\n');
 196     pos = 1;
 197 }
 198
 199 static void
 200 print_usr (char *s, int list)
 201 {
 202     register char *cp, *pp, *vp;
 203     register struct aka *ak;
 204     register struct mailname *mp, *np;
 205
 206     if ((pp = getname (s)) == NULL)
 207         adios (NULL, "no address in \"%s\"", s);
 208     if ((mp = getm (pp, NULL, 0, NULL, 0)) == NULL)
 209         adios (NULL, "bad address \"%s\"", s);
 210     while (getname (""))
 211         continue;
 212
 213     vp = NULL;
 214     for (ak = akahead; ak; ak = ak->ak_next) {
 215         pp = akresult (ak);
 216         while ((cp = getname (pp))) {
 217             if ((np = getm (cp, NULL, 0, NULL, 0)) == NULL)
 218                 continue;
 219             if (!strcasecmp (mp->m_host ? mp->m_host : "",
 220                              np->m_host ? np->m_host : "")  &&
 221                 !strcasecmp (mp->m_mbox ? mp->m_mbox : "",
 222                              np->m_mbox ? np->m_mbox : "")) {
 223                 vp = vp ? add (ak->ak_name, add (",", vp))
 224                     : getcpy (ak->ak_name);
 225                 mnfree (np);
 226                 while (getname (""))
 227                     continue;
 228                 break;
 229             }
 230             mnfree (np);
 231         }
 232     }
 233     mnfree (mp);
 234
 235     print_aka (vp ? vp : s, list, 0);
 236
 237     if (vp)
 238         free (vp);
 239 }