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     j = strlen(BACKUP_PREFIX);
 156     while ((dp = readdir (dd))) {
 157         switch (dp->d_name[0]) {
 158             case '.':
 159                 if (strcmp (dp->d_name, ".") == 0
 160                         || strcmp (dp->d_name, "..") == 0)
 161                     continue;   /* else fall */
 162
 163             case ',':
 164 #ifdef MHE
 165             case '+':
 166 #endif /* MHE */
 167 #ifdef UCI
 168             case '_':
 169             case '#':
 170 #endif /* UCI */
 171                 break;
 172
 173             default:
 174                 if (m_atoi (dp->d_name))
 175                     break;
 176                 if (strcmp (dp->d_name, LINK) == 0
 177                         || strncmp (dp->d_name, BACKUP_PREFIX, j) == 0)
 178                     break;
 179
 180                 admonish (NULL, "file \"%s/%s\" not deleted",
 181                         folder, dp->d_name);
 182                 others++;
 183                 continue;
 184         }
 185         if (unlink (dp->d_name) == NOTOK) {
 186             admonish (dp->d_name, "unable to unlink %s:", folder);
 187             others++;
 188         }
 189     }
 190
 191     closedir (dd);
 192
 193     /*
 194      * Remove any relevant private sequences
 195      * or attributes from context file.
 196      */
 197     rma (folder);
 198
 199     chdir ("..");
 200     if (others == 0 && remdir (maildir))
 201         return OK;
 202
 203     advise (NULL, "folder +%s not removed", folder);
 204     return NOTOK;
 205 }
 206
 207
 208 /*
 209  * Remove all the (private) sequence information for
 210  * this folder from the profile/context list.
 211  */
 212
 213 static void
 214 rma (char *folder)
 215 {
 216     register int alen, j, plen;
 217     register char *cp;
 218     register struct node *np, *pp;
 219
 220     /* sanity check - check that context has been read */
 221     if (defpath == NULL)
 222         adios (NULL, "oops, context hasn't been read yet");
 223
 224     alen = strlen ("atr-");
 225     plen = strlen (cp = m_mailpath (folder)) + 1;
 226
 227     /*
 228      * Search context list for keys that look like
 229      * "atr-something-folderpath", and remove them.
 230      */
 231     for (np = m_defs, pp = NULL; np; np = np->n_next) {
 232         if (ssequal ("atr-", np->n_name)
 233                 && (j = strlen (np->n_name) - plen) > alen
 234                 && *(np->n_name + j) == '-'
 235                 && strcmp (cp, np->n_name + j + 1) == 0) {
 236             if (!np->n_context)
 237                 admonish (NULL, "bug: context_del(key=\"%s\")", np->n_name);
 238             if (pp) {
 239                 pp->n_next = np->n_next;
 240                 np = pp;
 241             } else {
 242                 m_defs = np->n_next;
 243             }
 244             ctxflags |= CTXMOD;
 245         } else {
 246             pp = np;
 247         }
 248     }
 249 }