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