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
  14 /*
  15 ** maximum number of names
  16 */
  17 #define NVEC 50
  18
  19 static struct swit switches[] = {
  20 #define ALIASW     0
  21         { "alias aliasfile", 0 },
  22 #define NALIASW    1
  23         { "noalias", -7 },
  24 #define LISTSW     2
  25         { "list", 0 },
  26 #define NLISTSW    3
  27         { "nolist", 2 },
  28 #define NORMSW     4
  29         { "normalize", 0 },
  30 #define NNORMSW    5
  31         { "nonormalize", 2 },
  32 #define USERSW     6
  33         { "user", 0 },
  34 #define NUSERSW    7
  35         { "nouser", 2 },
  36 #define VERSIONSW  8
  37         { "Version", 0 },
  38 #define HELPSW     9
  39         { "help", 0 },
  40         { NULL, 0 }
  41 };
  42
  43 static int pos = 1;
  44
  45 extern struct aka *akahead;
  46
  47 /*
  48 ** prototypes
  49 */
  50 static void print_aka(char *, int, int);
  51 static void print_usr(char *, int, int);
  52
  53
  54 int
  55 main(int argc, char **argv)
  56 {
  57         int i, vecp = 0, inverted = 0, list = 0;
  58         int noalias = 0, normalize = AD_NHST;
  59         char *cp, **ap, **argp, buf[BUFSIZ];
  60         char *vec[NVEC], **arguments;
  61         struct aka *ak;
  62
  63         setlocale(LC_ALL, "");
  64         invo_name = mhbasename(argv[0]);
  65
  66         /* read user profile/context */
  67         context_read();
  68
  69         arguments = getarguments(invo_name, argc, argv, 1);
  70         argp = arguments;
  71
  72         while ((cp = *argp++)) {
  73                 if (*cp == '-') {
  74                         switch (smatch(++cp, switches)) {
  75                         case AMBIGSW:
  76                                 ambigsw(cp, switches);
  77                                 done(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                                 done(1);
  86                         case VERSIONSW:
  87                                 print_version(invo_name);
  88                                 done(1);
  89
  90                         case ALIASW:
  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                                 continue;
  96                         case NALIASW:
  97                                 noalias++;
  98                                 continue;
  99
 100                         case LISTSW:
 101                                 list++;
 102                                 continue;
 103                         case NLISTSW:
 104                                 list = 0;
 105                                 continue;
 106
 107                         case NORMSW:
 108                                 normalize = AD_HOST;
 109                                 continue;
 110                         case NNORMSW:
 111                                 normalize = AD_NHST;
 112                                 continue;
 113
 114                         case USERSW:
 115                                 inverted++;
 116                                 continue;
 117                         case NUSERSW:
 118                                 inverted = 0;
 119                                 continue;
 120                         }
 121                 }
 122                 vec[vecp++] = cp;
 123         }
 124
 125         if (!noalias) {
 126                 /* allow Aliasfile: profile entry */
 127                 if ((cp = context_find("Aliasfile"))) {
 128                         char *dp = NULL;
 129
 130                         for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++)
 131                                 if ((i = alias(etcpath(*ap))) != AK_OK)
 132                                         adios(NULL, "aliasing error in %s - %s", *ap, akerror(i));
 133                         if (dp)
 134                                 free(dp);
 135                 }
 136         }
 137
 138         /*
 139         ** If -user is specified
 140         */
 141         if (inverted) {
 142                 if (vecp == 0)
 143                         adios(NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 144                                    invo_name);
 145
 146                 for (i = 0; i < vecp; i++)
 147                         print_usr(vec[i], list, normalize);
 148
 149                 done(0);
 150         }
 151
 152         if (vecp) {
 153                 /* print specified aliases */
 154                 for (i = 0; i < vecp; i++)
 155                         print_aka(akvalue(vec[i]), list, 0);
 156         } else {
 157                 /* print them all */
 158                 for (ak = akahead; ak; ak = ak->ak_next) {
 159                         printf("%s: ", ak->ak_name);
 160                         pos += strlen(ak->ak_name) + 1;
 161                         print_aka(akresult(ak), list, pos);
 162                 }
 163         }
 164
 165         done(0);
 166         return 1;
 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 }