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 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 deffiles = 1, 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                                 exit(EX_USAGE);
  78                         case UNKWNSW:
  79                                 adios(EX_USAGE, 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(argc == 2 ? EX_OK : EX_USAGE);
  86                         case VERSIONSW:
  87                                 print_version(invo_name);
  88                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  89
  90                         case FILESW:
  91                                 if (!(cp = *argp++) || *cp == '-') {
  92                                         adios(EX_USAGE, NULL, "missing argument to %s", argp[-2]);
  93                                 }
  94                                 if ((i = alias(cp)) != AK_OK)
  95                                         adios(EX_USAGE, NULL, "aliasing error in %s: %s", cp, akerror(i));
  96                                 deffiles = 0;
  97                                 continue;
  98
  99                         case LISTSW:
 100                                 list++;
 101                                 continue;
 102                         case NLISTSW:
 103                                 list = 0;
 104                                 continue;
 105
 106                         case NORMSW:
 107                                 normalize = AD_HOST;
 108                                 continue;
 109                         case NNORMSW:
 110                                 normalize = AD_NHST;
 111                                 continue;
 112
 113                         case USERSW:
 114                                 inverted++;
 115                                 continue;
 116                         case NUSERSW:
 117                                 inverted = 0;
 118                                 continue;
 119                         }
 120                 }
 121                 vec[vecp++] = cp;
 122         }
 123
 124         /* process default Aliasfile: profile entry */
 125         if (deffiles && (cp = context_find("Aliasfile"))) {
 126                 char *dp = NULL;
 127
 128                 for (ap = brkstring(dp=getcpy(cp), " ", "\n");
 129                                 ap && *ap; ap++) {
 130                         if ((i = alias(etcpath(*ap))) != AK_OK) {
 131                                 adios(EX_DATAERR, NULL, "aliasing error in %s: %s",
 132                                                 *ap, akerror(i));
 133                         }
 134                 }
 135                 if (dp) {
 136                         free(dp);
 137                 }
 138         }
 139
 140         /*
 141         ** If -user is specified
 142         */
 143         if (inverted) {
 144                 if (vecp == 0)
 145                         adios(EX_USAGE, NULL, "usage: %s -user addresses ...  (you forgot the addresses)",
 146                                    invo_name);
 147
 148                 for (i = 0; i < vecp; i++)
 149                         print_usr(vec[i], list, normalize);
 150
 151                 exit(EX_OK);
 152         }
 153
 154         if (vecp) {
 155                 /* print specified aliases */
 156                 for (i = 0; i < vecp; i++)
 157                         print_aka(akvalue(vec[i]), list, 0);
 158         } else {
 159                 /* print them all */
 160                 for (ak = akahead; ak; ak = ak->ak_next) {
 161                         printf("%s: ", ak->ak_name);
 162                         pos += strlen(ak->ak_name) + 1;
 163                         print_aka(akresult(ak), list, pos);
 164                 }
 165         }
 166
 167         return EX_OK;
 168 }
 169
 170 static void
 171 print_aka(char *p, int list, int margin)
 172 {
 173         char c;
 174
 175         if (p == NULL) {
 176                 printf("<empty>\n");
 177                 return;
 178         }
 179
 180         while ((c = *p++)) {
 181                 switch (c) {
 182                 case ',':
 183                         if (*p) {
 184                                 if (list)
 185                                         printf("\n%*s", margin, "");
 186                                 else {
 187                                         if (pos >= 68) {
 188                                                 printf(",\n ");
 189                                                 pos = 2;
 190                                         } else {
 191                                                 printf(", ");
 192                                                 pos += 2;
 193                                         }
 194                                 }
 195                         }
 196
 197                 case 0:
 198                         break;
 199
 200                 default:
 201                         pos++;
 202                         putchar(c);
 203                 }
 204         }
 205
 206         putchar('\n');
 207         pos = 1;
 208 }
 209
 210 static void
 211 print_usr(char *s, int list, int norm)
 212 {
 213         char *cp, *pp, *vp;
 214         struct aka *ak;
 215         struct mailname *mp, *np;
 216
 217         if ((pp = getname(s)) == NULL)
 218                 adios(EX_DATAERR, NULL, "no address in \"%s\"", s);
 219         if ((mp = getm(pp, NULL, 0, norm, NULL)) == NULL)
 220                 adios(EX_DATAERR, NULL, "bad address \"%s\"", s);
 221         while (getname(""))
 222                 continue;
 223
 224         vp = NULL;
 225         for (ak = akahead; ak; ak = ak->ak_next) {
 226                 pp = akresult(ak);
 227                 while ((cp = getname(pp))) {
 228                         if ((np = getm(cp, NULL, 0, norm, NULL)) == NULL)
 229                                 continue;
 230                         if (!mh_strcasecmp(mp->m_host, np->m_host)
 231                                         && !mh_strcasecmp(mp->m_mbox, np->m_mbox)) {
 232                                 vp = vp ? add(ak->ak_name, add(",", vp))
 233                                         : getcpy(ak->ak_name);
 234                                 mnfree(np);
 235                                 while (getname(""))
 236                                         continue;
 237                                 break;
 238                         }
 239                         mnfree(np);
 240                 }
 241         }
 242         mnfree(mp);
 243
 244         print_aka(vp ? vp : s, list, 0);
 245
 246         if (vp)
 247                 free(vp);
 248 }