git.marmaro.de Git - mmh/blob - uip/ali.c

   1 /*
   2 ** ali.c -- list nmh mail aliases
   3 **
   4 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
   5 ** COPYRIGHT file in the root directory of the nmh distribution for
   6 ** complete copyright information.
   7 */
   8
   9 #include <h/mh.h>
  10 #include <h/addrsbr.h>
  11 #include <h/aliasbr.h>
  12 #include <h/mts.h>
  13 #include <h/utils.h>
  14
  15 /*
  16 ** maximum number of names
  17 */
  18 #define NVEC 50
  19
  20 static struct swit switches[] = {
  21 #define ALIASW     0
  22         { "alias aliasfile", 0 },
  23 #define NALIASW    1
  24         { "noalias", -7 },
  25 #define LISTSW     2
  26         { "list", 0 },
  27 #define NLISTSW    3
  28         { "nolist", 0 },
  29 #define NORMSW     4
  30         { "normalize", 0 },
  31 #define NNORMSW    5
  32         { "nonormalize", 0 },
  33 #define USERSW     6
  34         { "user", 0 },
  35 #define NUSERSW    7
  36         { "nouser", 0 },
  37 #define VERSIONSW  8
  38         { "version", 0 },
  39 #define HELPSW     9
  40         { "help", 0 },
  41         { NULL, 0 }
  42 };
  43
  44 static int pos = 1;
  45
  46 extern struct aka *akahead;
  47
  48 /*
  49 ** prototypes
  50 */
  51 static void print_aka(char *, int, int);
  52 static void print_usr(char *, int, int);
  53
  54
  55 int
  56 main(int argc, char **argv)
  57 {
  58         int i, vecp = 0, inverted = 0, list = 0;
  59         int noalias = 0, normalize = AD_NHST;
  60         char *cp, **ap, **argp, buf[BUFSIZ];
  61         char *vec[NVEC], **arguments;
  62         struct aka *ak;
  63
  64 #ifdef LOCALE
  65         setlocale(LC_ALL, "");
  66 #endif
  67         invo_name = mhbasename(argv[0]);
  68
  69         /* read user profile/context */
  70         context_read();
  71
  72         arguments = getarguments(invo_name, argc, argv, 1);
  73         argp = arguments;
  74
  75         while ((cp = *argp++)) {
  76                 if (*cp == '-') {
  77                         switch (smatch(++cp, switches)) {
  78                         case AMBIGSW:
  79                                 ambigsw(cp, switches);
  80                                 done(1);
  81                         case UNKWNSW:
  82                                 adios(NULL, "-%s unknown", cp);
  83
  84                         case HELPSW:
  85                                 snprintf(buf, sizeof(buf), "%s [switches] aliases ...",
  86                                         invo_name);
  87                                 print_help(buf, switches, 1);
  88                                 done(1);
  89                         case VERSIONSW:
  90                                 print_version(invo_name);
  91                                 done(1);
  92
  93                         case ALIASW:
  94                                 if (!(cp = *argp++) || *cp == '-')
  95                                         adios(NULL, "missing argument to %s", argp[-2]);
  96                                 if ((i = alias(cp)) != AK_OK)
  97                                         adios(NULL, "aliasing error in %s - %s", cp, akerror(i));
  98                                 continue;
  99                         case NALIASW:
 100                                 noalias++;
 101                                 continue;
 102
 103                         case LISTSW:
 104                                 list++;
 105                                 continue;
 106                         case NLISTSW:
 107                                 list = 0;
 108                                 continue;
 109
 110                         case NORMSW:
 111                                 normalize = AD_HOST;
 112                                 continue;
 113                         case NNORMSW:
 114                                 normalize = AD_NHST;
 115                                 continue;
 116
 117                         case USERSW:
 118                                 inverted++;
 119                                 continue;
 120                         case NUSERSW:
 121                                 inverted = 0;
 122                                 continue;
 123                         }
 124                 }
 125                 vec[vecp++] = cp;
 126         }
 127
 128         if (!noalias) {
 129                 /* allow Aliasfile: profile entry */
 130                 if ((cp = context_find("Aliasfile"))) {
 131                         char *dp = NULL;
 132
 133                         for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++)
 134                                 if ((i = alias(etcpath(*ap))) != AK_OK)
 135                                         adios(NULL, "aliasing error in %s - %s", *ap, akerror(i));
 136                         if (dp)
 137                                 free(dp);
 138                 }
 139         }
 140
 141         /*
 142         ** If -user is specified
 143         */
 144         if (inverted) {
 145                 if (vecp == 0)
 146                         adios(NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 147                                    invo_name);
 148
 149                 for (i = 0; i < vecp; i++)
 150                         print_usr(vec[i], list, normalize);
 151
 152                 done(0);
 153         }
 154
 155         if (vecp) {
 156                 /* print specified aliases */
 157                 for (i = 0; i < vecp; i++)
 158                         print_aka(akvalue(vec[i]), list, 0);
 159         } else {
 160                 /* print them all */
 161                 for (ak = akahead; ak; ak = ak->ak_next) {
 162                         printf("%s: ", ak->ak_name);
 163                         pos += strlen(ak->ak_name) + 1;
 164                         print_aka(akresult(ak), list, pos);
 165                 }
 166         }
 167
 168         done(0);
 169         return 1;
 170 }
 171
 172 static void
 173 print_aka(char *p, int list, int margin)
 174 {
 175         char c;
 176
 177         if (p == NULL) {
 178                 printf("<empty>\n");
 179                 return;
 180         }
 181
 182         while ((c = *p++)) {
 183                 switch (c) {
 184                 case ',':
 185                         if (*p) {
 186                                 if (list)
 187                                         printf("\n%*s", margin, "");
 188                                 else {
 189                                         if (pos >= 68) {
 190                                                 printf(",\n ");
 191                                                 pos = 2;
 192                                         } else {
 193                                                 printf(", ");
 194                                                 pos += 2;
 195                                         }
 196                                 }
 197                         }
 198
 199                 case 0:
 200                         break;
 201
 202                 default:
 203                         pos++;
 204                         putchar(c);
 205                 }
 206         }
 207
 208         putchar('\n');
 209         pos = 1;
 210 }
 211
 212 static void
 213 print_usr(char *s, int list, int norm)
 214 {
 215         register char *cp, *pp, *vp;
 216         register struct aka *ak;
 217         register struct mailname *mp, *np;
 218
 219         if ((pp = getname(s)) == NULL)
 220                 adios(NULL, "no address in \"%s\"", s);
 221         if ((mp = getm(pp, NULL, 0, norm, NULL)) == NULL)
 222                 adios(NULL, "bad address \"%s\"", s);
 223         while (getname(""))
 224                 continue;
 225
 226         vp = NULL;
 227         for (ak = akahead; ak; ak = ak->ak_next) {
 228                 pp = akresult(ak);
 229                 while ((cp = getname(pp))) {
 230                         if ((np = getm(cp, NULL, 0, norm, NULL)) == NULL)
 231                                 continue;
 232                         if (!mh_strcasecmp(mp->m_host, np->m_host)
 233                                         && !mh_strcasecmp(mp->m_mbox, np->m_mbox)) {
 234                                 vp = vp ? add(ak->ak_name, add(",", vp))
 235                                         : getcpy(ak->ak_name);
 236                                 mnfree(np);
 237                                 while (getname(""))
 238                                         continue;
 239                                 break;
 240                         }
 241                         mnfree(np);
 242                 }
 243         }
 244         mnfree(mp);
 245
 246         print_aka(vp ? vp : s, list, 0);
 247
 248         if (vp)
 249                 free(vp);
 250 }