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/utils.h>
  13 #include <locale.h>
  14 #include <sysexits.h>
  15
  16 /*
  17 ** maximum number of names
  18 */
  19 #define NVEC 50
  20
  21 static struct swit switches[] = {
  22 #define FILESW     0
  23         { "file aliasfile", 0 },
  24 #define LISTSW     1
  25         { "list", 0 },
  26 #define NLISTSW    2
  27         { "nolist", 2 },
  28 #define NORMSW     3
  29         { "normalize", 0 },
  30 #define NNORMSW    4
  31         { "nonormalize", 2 },
  32 #define USERSW     5
  33         { "user", 0 },
  34 #define NUSERSW    6
  35         { "nouser", 2 },
  36 #define VERSIONSW  7
  37         { "Version", 0 },
  38 #define HELPSW     8
  39         { "help", 0 },
  40         { NULL, 0 }
  41 };
  42
  43 char *version=VERSION;
  44
  45 static int pos = 1;
  46
  47 extern struct aka *akahead;
  48
  49 /*
  50 ** prototypes
  51 */
  52 static void print_aka(char *, int, int);
  53 static void print_usr(char *, int, int);
  54
  55
  56 int
  57 main(int argc, char **argv)
  58 {
  59         int i, vecp = 0, inverted = 0, list = 0;
  60         int deffiles = 1, normalize = AD_NHST;
  61         char *cp, **ap, **argp, buf[BUFSIZ];
  62         char *vec[NVEC], **arguments;
  63         struct aka *ak;
  64
  65         setlocale(LC_ALL, "");
  66         invo_name = mhbasename(argv[0]);
  67
  68         /* read user profile/context */
  69         context_read();
  70
  71         arguments = getarguments(invo_name, argc, argv, 1);
  72         argp = arguments;
  73
  74         while ((cp = *argp++)) {
  75                 if (*cp == '-') {
  76                         switch (smatch(++cp, switches)) {
  77                         case AMBIGSW:
  78                                 ambigsw(cp, switches);
  79                                 exit(EX_USAGE);
  80                         case UNKWNSW:
  81                                 adios(EX_USAGE, NULL, "-%s unknown", cp);
  82
  83                         case HELPSW:
  84                                 snprintf(buf, sizeof(buf), "%s [switches] aliases ...",
  85                                         invo_name);
  86                                 print_help(buf, switches, 1);
  87                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  88                         case VERSIONSW:
  89                                 print_version(invo_name);
  90                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  91
  92                         case FILESW:
  93                                 if (!(cp = *argp++) || *cp == '-') {
  94                                         adios(EX_USAGE, NULL, "missing argument to %s", argp[-2]);
  95                                 }
  96                                 if ((i = alias(cp)) != AK_OK)
  97                                         adios(EX_USAGE, NULL, "aliasing error in %s: %s", cp, akerror(i));
  98                                 deffiles = 0;
  99                                 continue;
 100
 101                         case LISTSW:
 102                                 list++;
 103                                 continue;
 104                         case NLISTSW:
 105                                 list = 0;
 106                                 continue;
 107
 108                         case NORMSW:
 109                                 normalize = AD_HOST;
 110                                 continue;
 111                         case NNORMSW:
 112                                 normalize = AD_NHST;
 113                                 continue;
 114
 115                         case USERSW:
 116                                 inverted++;
 117                                 continue;
 118                         case NUSERSW:
 119                                 inverted = 0;
 120                                 continue;
 121                         }
 122                 }
 123                 vec[vecp++] = cp;
 124         }
 125
 126         /* process default Aliasfile: profile entry */
 127         if (deffiles && (cp = context_find("Aliasfile"))) {
 128                 char *dp = NULL;
 129
 130                 for (ap = brkstring(dp=mh_xstrdup(cp), " ", "\n");
 131                                 ap && *ap; ap++) {
 132                         if ((i = alias(etcpath(*ap))) != AK_OK) {
 133                                 adios(EX_DATAERR, NULL, "aliasing error in %s: %s",
 134                                                 *ap, akerror(i));
 135                         }
 136                 }
 137                 if (dp) {
 138                         mh_free0(&dp);
 139                 }
 140         }
 141
 142         /*
 143         ** If -user is specified
 144         */
 145         if (inverted) {
 146                 if (vecp == 0)
 147                         adios(EX_USAGE, NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 148                                    invo_name);
 149
 150                 for (i = 0; i < vecp; i++)
 151                         print_usr(vec[i], list, normalize);
 152
 153                 exit(EX_OK);
 154         }
 155
 156         if (vecp) {
 157                 /* print specified aliases */
 158                 for (i = 0; i < vecp; i++)
 159                         print_aka(akvalue(vec[i]), list, 0);
 160         } else {
 161                 /* print them all */
 162                 for (ak = akahead; ak; ak = ak->ak_next) {
 163                         printf("%s: ", ak->ak_name);
 164                         pos += strlen(ak->ak_name) + 1;
 165                         print_aka(akresult(ak), list, pos);
 166                 }
 167         }
 168
 169         return EX_OK;
 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         char *cp, *pp, *vp;
 216         struct aka *ak;
 217         struct mailname *mp, *np;
 218
 219         if ((pp = getname(s)) == NULL)
 220                 adios(EX_DATAERR, NULL, "no address in \"%s\"", s);
 221         if ((mp = getm(pp, NULL, 0, norm, NULL)) == NULL)
 222                 adios(EX_DATAERR, 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                                         : mh_xstrdup(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                 mh_free0(&vp);
 250 }