diplodocus.org Git - nmh/blob - uip/rmf.c

   1 /* rmf.c -- remove a folder
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include <h/mh.h>
   9 #include "h/done.h"
  10 #include <h/utils.h>
  11 #include "sbr/m_maildir.h"
  12 #include "sbr/m_mktemp.h"
  13
  14 #define RMF_SWITCHES \
  15     X("interactive", 0, INTRSW) \
  16     X("nointeractive", 0, NINTRSW) \
  17     X("version", 0, VERSIONSW) \
  18     X("help", 0, HELPSW) \
  19
  20 #define X(sw, minchars, id) id,
  21 DEFINE_SWITCH_ENUM(RMF);
  22 #undef X
  23
  24 #define X(sw, minchars, id) { sw, minchars, id },
  25 DEFINE_SWITCH_ARRAY(RMF, switches);
  26 #undef X
  27
  28 /*
  29  * static prototypes
  30  */
  31 static int rmf(char *);
  32 static void rma (char *);
  33
  34
  35 int
  36 main (int argc, char **argv)
  37 {
  38     bool defolder = false;
  39     int interactive = -1;
  40     char *cp, *folder = NULL, newfolder[BUFSIZ];
  41     char buf[BUFSIZ], **argp, **arguments;
  42     char *fp;
  43
  44     if (nmh_init(argv[0], true, true)) { return 1; }
  45
  46     arguments = getarguments (invo_name, argc, argv, 1);
  47     argp = arguments;
  48
  49     while ((cp = *argp++)) {
  50         if (*cp == '-') {
  51             switch (smatch (++cp, switches)) {
  52                 case AMBIGSW:
  53                     ambigsw (cp, switches);
  54                     done (1);
  55                 case UNKWNSW:
  56                     die("-%s unknown", cp);
  57
  58                 case HELPSW:
  59                     snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  60                         invo_name);
  61                     print_help (buf, switches, 1);
  62                     done (0);
  63                 case VERSIONSW:
  64                     print_version(invo_name);
  65                     done (0);
  66
  67                 case INTRSW:
  68                     interactive = 1;
  69                     continue;
  70                 case NINTRSW:
  71                     interactive = 0;
  72                     continue;
  73             }
  74         }
  75         if (*cp == '+' || *cp == '@') {
  76             if (folder)
  77                 die("only one folder at a time!");
  78             folder = pluspath (cp);
  79         } else {
  80             die("usage: %s [+folder] [switches]", invo_name);
  81         }
  82     }
  83
  84     if (!context_find ("path"))
  85         free (path ("./", TFOLDER));
  86     if (!folder) {
  87         folder = getfolder (1);
  88         defolder = true;
  89     }
  90     fp = m_mailpath(folder);
  91     if (!strcmp(fp, pwd()))
  92         die("sorry, you can't remove the current working directory");
  93     free(fp);
  94
  95     if (interactive == -1)
  96         interactive = defolder;
  97
  98     if (strchr (folder, '/') && (*folder != '/') && (*folder != '.')) {
  99         for (cp = stpcpy(newfolder, folder); cp > newfolder && *cp != '/'; cp--)
 100             continue;
 101         if (cp > newfolder)
 102             *cp = '\0';
 103         else
 104             strncpy (newfolder, getfolder(0), sizeof(newfolder));
 105     } else {
 106         strncpy (newfolder, getfolder(0), sizeof(newfolder));
 107     }
 108
 109     if (interactive) {
 110         cp = concat ("Remove folder \"", folder, "\"? ", NULL);
 111         if (!read_yes_or_no_if_tty (cp))
 112             done (0);
 113         free (cp);
 114     }
 115
 116     if (rmf (folder) == OK) {
 117         char *cfolder = context_find(pfolder);
 118         if (cfolder && strcmp (cfolder, newfolder)) {
 119             printf ("[+%s now current]\n", newfolder);
 120             context_replace (pfolder, newfolder);       /* update current folder */
 121         }
 122     }
 123     context_save ();    /* save the context file */
 124     done (0);
 125     return 1;
 126 }
 127
 128 static int
 129 rmf (char *folder)
 130 {
 131     int i;
 132     bool others;
 133     char *fp;
 134     char *maildir;
 135     char cur[BUFSIZ];
 136     struct dirent *dp;
 137     DIR *dd;
 138
 139     switch (i = chdir (maildir = m_maildir (folder))) {
 140         case OK:
 141             if (access (".", W_OK) != NOTOK && access ("..", W_OK) != NOTOK)
 142                 break;
 143             /* FALLTHRU */
 144
 145         case NOTOK:
 146             fp = m_mailpath(folder);
 147             snprintf (cur, sizeof(cur), "atr-%s-%s", current, fp);
 148             free(fp);
 149             if (!context_del (cur)) {
 150                 printf ("[+%s de-referenced]\n", folder);
 151                 return OK;
 152             }
 153             inform("you have no profile entry for the %s folder +%s",
 154                     i == NOTOK ? "unreadable" : "read-only", folder);
 155             return NOTOK;
 156     }
 157
 158     if ((dd = opendir (".")) == NULL)
 159         die("unable to read folder +%s", folder);
 160     others = false;
 161
 162     /*
 163      *  Run the external delete hook program.
 164      */
 165
 166     (void)ext_hook("del-hook", maildir, NULL);
 167
 168     while ((dp = readdir (dd))) {
 169         switch (dp->d_name[0]) {
 170             case '.':
 171                 if (strcmp (dp->d_name, ".") == 0
 172                         || strcmp (dp->d_name, "..") == 0)
 173                     continue;
 174                 break;
 175
 176             case ',':
 177                 break;
 178
 179             default:
 180                 if (m_atoi (dp->d_name))
 181                     break;
 182                 if (strcmp (dp->d_name, LINK) == 0
 183                         || has_prefix(dp->d_name, BACKUP_PREFIX))
 184                     break;
 185
 186                 inform("file \"%s/%s\" not deleted, continuing...",
 187                         folder, dp->d_name);
 188                 others = true;
 189                 continue;
 190         }
 191         if (m_unlink (dp->d_name) == NOTOK) {
 192             admonish (dp->d_name, "unable to unlink %s:", folder);
 193             others = true;
 194         }
 195     }
 196
 197     closedir (dd);
 198
 199     /*
 200      * Remove any relevant private sequences
 201      * or attributes from context file.
 202      */
 203     rma (folder);
 204
 205     if (chdir ("..") < 0) {
 206         advise ("..", "chdir");
 207     }
 208     if (!others && remdir (maildir))
 209         return OK;
 210
 211     inform("folder +%s not removed", folder);
 212     return NOTOK;
 213 }
 214
 215
 216 /*
 217  * Remove all the (private) sequence information for
 218  * this folder from the profile/context list.
 219  */
 220
 221 static void
 222 rma (char *folder)
 223 {
 224     int alen, j, plen;
 225     char *cp;
 226     struct node *np, *pp;
 227
 228     alen = LEN("atr-");
 229     plen = strlen (cp = m_mailpath (folder)) + 1;
 230
 231     /*
 232      * Search context list for keys that look like
 233      * "atr-something-folderpath", and remove them.
 234      */
 235     for (np = m_defs, pp = NULL; np; np = np->n_next) {
 236         if (ssequal ("atr-", np->n_name)
 237                 && (j = strlen (np->n_name) - plen) > alen
 238                 && *(np->n_name + j) == '-'
 239                 && strcmp (cp, np->n_name + j + 1) == 0) {
 240             if (!np->n_context)
 241                 inform("bug: context_del(key=\"%s\"), continuing...",
 242                     np->n_name);
 243             if (pp) {
 244                 pp->n_next = np->n_next;
 245                 np = pp;
 246             } else {
 247                 m_defs = np->n_next;
 248             }
 249             ctxflags |= CTXMOD;
 250         } else {
 251             pp = np;
 252         }
 253     }
 254
 255     free(cp);
 256 }