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