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 = pluspath (cp);
  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) {
 118         char *cfolder = context_find(pfolder);
 119         if (cfolder && strcmp (cfolder, newfolder)) {
 120             printf ("[+%s now current]\n", newfolder);
 121             context_replace (pfolder, newfolder);       /* update current folder */
 122         }
 123     }
 124     context_save ();    /* save the context file */
 125     return done (0);
 126 }
 127
 128 static int
 129 rmf (char *folder)
 130 {
 131     int i, j, others;
 132     register char *maildir;
 133     char cur[BUFSIZ];
 134     register struct dirent *dp;
 135     register DIR *dd;
 136
 137     switch (i = chdir (maildir = m_maildir (folder))) {
 138         case OK:
 139             if (access (".", W_OK) != NOTOK && access ("..", W_OK) != NOTOK)
 140                 break;          /* fall otherwise */
 141
 142         case NOTOK:
 143             snprintf (cur, sizeof(cur), "atr-%s-%s",
 144                         current, m_mailpath (folder));
 145             if (!context_del (cur)) {
 146                 printf ("[+%s de-referenced]\n", folder);
 147                 return OK;
 148             }
 149             advise (NULL, "you have no profile entry for the %s folder +%s",
 150                     i == NOTOK ? "unreadable" : "read-only", folder);
 151             return NOTOK;
 152     }
 153
 154     if ((dd = opendir (".")) == NULL)
 155         adios (NULL, "unable to read folder +%s", folder);
 156     others = 0;
 157
 158     /*
 159      *  Run the external delete hook program.
 160      */
 161
 162     (void)ext_hook("del-hook", maildir, (char *)0);
 163
 164     j = strlen(BACKUP_PREFIX);
 165     while ((dp = readdir (dd))) {
 166         switch (dp->d_name[0]) {
 167             case '.':
 168                 if (strcmp (dp->d_name, ".") == 0
 169                         || strcmp (dp->d_name, "..") == 0)
 170                     continue;   /* else fall */
 171
 172             case ',':
 173 #ifdef MHE
 174             case '+':
 175 #endif /* MHE */
 176 #ifdef UCI
 177             case '_':
 178             case '#':
 179 #endif /* UCI */
 180                 break;
 181
 182             default:
 183                 if (m_atoi (dp->d_name))
 184                     break;
 185                 if (strcmp (dp->d_name, LINK) == 0
 186                         || strncmp (dp->d_name, BACKUP_PREFIX, j) == 0)
 187                     break;
 188
 189                 admonish (NULL, "file \"%s/%s\" not deleted",
 190                         folder, dp->d_name);
 191                 others++;
 192                 continue;
 193         }
 194         if (unlink (dp->d_name) == NOTOK) {
 195             admonish (dp->d_name, "unable to unlink %s:", folder);
 196             others++;
 197         }
 198     }
 199
 200     closedir (dd);
 201
 202     /*
 203      * Remove any relevant private sequences
 204      * or attributes from context file.
 205      */
 206     rma (folder);
 207
 208     chdir ("..");
 209     if (others == 0 && remdir (maildir))
 210         return OK;
 211
 212     advise (NULL, "folder +%s not removed", folder);
 213     return NOTOK;
 214 }
 215
 216
 217 /*
 218  * Remove all the (private) sequence information for
 219  * this folder from the profile/context list.
 220  */
 221
 222 static void
 223 rma (char *folder)
 224 {
 225     register int alen, j, plen;
 226     register char *cp;
 227     register struct node *np, *pp;
 228
 229     alen = strlen ("atr-");
 230     plen = strlen (cp = m_mailpath (folder)) + 1;
 231
 232     /*
 233      * Search context list for keys that look like
 234      * "atr-something-folderpath", and remove them.
 235      */
 236     for (np = m_defs, pp = NULL; np; np = np->n_next) {
 237         if (ssequal ("atr-", np->n_name)
 238                 && (j = strlen (np->n_name) - plen) > alen
 239                 && *(np->n_name + j) == '-'
 240                 && strcmp (cp, np->n_name + j + 1) == 0) {
 241             if (!np->n_context)
 242                 admonish (NULL, "bug: context_del(key=\"%s\")", 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 }