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

   1
   2 /*
   3  * rmf.c -- remove a folder
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13
  14 static struct swit switches[] = {
  15 #define INTRSW            0
  16     { "interactive", 0 },
  17 #define NINTRSW           1
  18     { "nointeractive", 0 },
  19 #define VERSIONSW         2
  20     { "version", 0 },
  21 #define HELPSW            3
  22     { "help", 0 },
  23     { NULL, 0 }
  24 };
  25
  26 /*
  27  * static prototypes
  28  */
  29 static int rmf(char *);
  30 static void rma (char *);
  31
  32
  33 int
  34 main (int argc, char **argv)
  35 {
  36     int defolder = 0, interactive = -1;
  37     char *cp, *folder = NULL, newfolder[BUFSIZ];
  38     char buf[BUFSIZ], **argp, **arguments;
  39
  40 #ifdef LOCALE
  41     setlocale(LC_ALL, "");
  42 #endif
  43     invo_name = r1bindex (argv[0], '/');
  44
  45     /* read user profile/context */
  46     context_read();
  47
  48     arguments = getarguments (invo_name, argc, argv, 1);
  49     argp = arguments;
  50
  51     while ((cp = *argp++)) {
  52         if (*cp == '-') {
  53             switch (smatch (++cp, switches)) {
  54                 case AMBIGSW:
  55                     ambigsw (cp, switches);
  56                     done (1);
  57                 case UNKWNSW:
  58                     adios (NULL, "-%s unknown", cp);
  59
  60                 case HELPSW:
  61                     snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  62                         invo_name);
  63                     print_help (buf, switches, 1);
  64                     done (1);
  65                 case VERSIONSW:
  66                     print_version(invo_name);
  67                     done (1);
  68
  69                 case INTRSW:
  70                     interactive = 1;
  71                     continue;
  72                 case NINTRSW:
  73                     interactive = 0;
  74                     continue;
  75             }
  76         }
  77         if (*cp == '+' || *cp == '@') {
  78             if (folder)
  79                 adios (NULL, "only one folder at a time!");
  80             else
  81                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
  82         } else {
  83             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
  84         }
  85     }
  86
  87     if (!context_find ("path"))
  88         free (path ("./", TFOLDER));
  89     if (!folder) {
  90         folder = getfolder (1);
  91         defolder++;
  92     }
  93     if (strcmp (m_mailpath (folder), pwd ()) == 0)
  94         adios (NULL, "sorry, you can't remove the current working directory");
  95
  96     if (interactive == -1)
  97         interactive = defolder;
  98
  99     if (strchr (folder, '/') && (*folder != '/') && (*folder != '.')) {
 100         for (cp = copy (folder, newfolder); cp > newfolder && *cp != '/'; cp--)
 101             continue;
 102         if (cp > newfolder)
 103             *cp = '\0';
 104         else
 105             strncpy (newfolder, getfolder(0), sizeof(newfolder));
 106     } else {
 107         strncpy (newfolder, getfolder(0), sizeof(newfolder));
 108     }
 109
 110     if (interactive) {
 111         cp = concat ("Remove folder \"", folder, "\"? ", NULL);
 112         if (!getanswer (cp))
 113             done (0);
 114         free (cp);
 115     }
 116
 117     if (rmf (folder) == OK && strcmp (context_find (pfolder), newfolder)) {
 118         printf ("[+%s now current]\n", newfolder);
 119         context_replace (pfolder, newfolder);   /* update current folder */
 120     }
 121     context_save ();    /* save the context file */
 122     return done (0);
 123 }
 124
 125 static int
 126 rmf (char *folder)
 127 {
 128     int i, j, others;
 129     register char *maildir;
 130     char cur[BUFSIZ];
 131     register struct dirent *dp;
 132     register DIR *dd;
 133
 134     switch (i = chdir (maildir = m_maildir (folder))) {
 135         case OK:
 136             if (access (".", W_OK) != NOTOK && access ("..", W_OK) != NOTOK)
 137                 break;          /* fall otherwise */
 138
 139         case NOTOK:
 140             snprintf (cur, sizeof(cur), "atr-%s-%s",
 141                         current, m_mailpath (folder));
 142             if (!context_del (cur)) {
 143                 printf ("[+%s de-referenced]\n", folder);
 144                 return OK;
 145             }
 146             advise (NULL, "you have no profile entry for the %s folder +%s",
 147                     i == NOTOK ? "unreadable" : "read-only", folder);
 148             return NOTOK;
 149     }
 150
 151     if ((dd = opendir (".")) == NULL)
 152         adios (NULL, "unable to read folder +%s", folder);
 153     others = 0;
 154
 155     /*
 156      *  Run the external delete hook program.
 157      */
 158
 159     (void)ext_hook("del-hook", maildir, (char *)0);
 160
 161     j = strlen(BACKUP_PREFIX);
 162     while ((dp = readdir (dd))) {
 163         switch (dp->d_name[0]) {
 164             case '.':
 165                 if (strcmp (dp->d_name, ".") == 0
 166                         || strcmp (dp->d_name, "..") == 0)
 167                     continue;   /* else fall */
 168
 169             case ',':
 170 #ifdef MHE
 171             case '+':
 172 #endif /* MHE */
 173 #ifdef UCI
 174             case '_':
 175             case '#':
 176 #endif /* UCI */
 177                 break;
 178
 179             default:
 180                 if (m_atoi (dp->d_name))
 181                     break;
 182                 if (strcmp (dp->d_name, LINK) == 0
 183                         || strncmp (dp->d_name, BACKUP_PREFIX, j) == 0)
 184                     break;
 185
 186                 admonish (NULL, "file \"%s/%s\" not deleted",
 187                         folder, dp->d_name);
 188                 others++;
 189                 continue;
 190         }
 191         if (unlink (dp->d_name) == NOTOK) {
 192             admonish (dp->d_name, "unable to unlink %s:", folder);
 193             others++;
 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     chdir ("..");
 206     if (others == 0 && remdir (maildir))
 207         return OK;
 208
 209     advise (NULL, "folder +%s not removed", folder);
 210     return NOTOK;
 211 }
 212
 213
 214 /*
 215  * Remove all the (private) sequence information for
 216  * this folder from the profile/context list.
 217  */
 218
 219 static void
 220 rma (char *folder)
 221 {
 222     register int alen, j, plen;
 223     register char *cp;
 224     register struct node *np, *pp;
 225
 226     alen = strlen ("atr-");
 227     plen = strlen (cp = m_mailpath (folder)) + 1;
 228
 229     /*
 230      * Search context list for keys that look like
 231      * "atr-something-folderpath", and remove them.
 232      */
 233     for (np = m_defs, pp = NULL; np; np = np->n_next) {
 234         if (ssequal ("atr-", np->n_name)
 235                 && (j = strlen (np->n_name) - plen) > alen
 236                 && *(np->n_name + j) == '-'
 237                 && strcmp (cp, np->n_name + j + 1) == 0) {
 238             if (!np->n_context)
 239                 admonish (NULL, "bug: context_del(key=\"%s\")", np->n_name);
 240             if (pp) {
 241                 pp->n_next = np->n_next;
 242                 np = pp;
 243             } else {
 244                 m_defs = np->n_next;
 245             }
 246             ctxflags |= CTXMOD;
 247         } else {
 248             pp = np;
 249         }
 250     }
 251 }