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

   1
   2 /*
   3  * rmf.c -- remove a folder
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11
  12 static struct swit switches[] = {
  13 #define INTRSW            0
  14     { "interactive", 0 },
  15 #define NINTRSW           1
  16     { "nointeractive", 0 },
  17 #define VERSIONSW         2
  18     { "version", 0 },
  19 #define HELPSW            3
  20     { "help", 0 },
  21     { NULL, 0 }
  22 };
  23
  24 /*
  25  * static prototypes
  26  */
  27 static int rmf(char *);
  28 static void rma (char *);
  29
  30
  31 int
  32 main (int argc, char **argv)
  33 {
  34     int defolder = 0, interactive = -1;
  35     char *cp, *folder = NULL, newfolder[BUFSIZ];
  36     char buf[BUFSIZ], **argp, **arguments;
  37
  38 #ifdef LOCALE
  39     setlocale(LC_ALL, "");
  40 #endif
  41     invo_name = r1bindex (argv[0], '/');
  42
  43     /* read user profile/context */
  44     context_read();
  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                     adios (NULL, "-%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                 adios (NULL, "only one folder at a time!");
  78             else
  79                 folder = pluspath (cp);
  80         } else {
  81             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
  82         }
  83     }
  84
  85     if (!context_find ("path"))
  86         free (path ("./", TFOLDER));
  87     if (!folder) {
  88         folder = getfolder (1);
  89         defolder++;
  90     }
  91     if (strcmp (m_mailpath (folder), pwd ()) == 0)
  92         adios (NULL, "sorry, you can't remove the current working directory");
  93
  94     if (interactive == -1)
  95         interactive = defolder;
  96
  97     if (strchr (folder, '/') && (*folder != '/') && (*folder != '.')) {
  98         for (cp = copy (folder, newfolder); cp > newfolder && *cp != '/'; cp--)
  99             continue;
 100         if (cp > newfolder)
 101             *cp = '\0';
 102         else
 103             strncpy (newfolder, getfolder(0), sizeof(newfolder));
 104     } else {
 105         strncpy (newfolder, getfolder(0), sizeof(newfolder));
 106     }
 107
 108     if (interactive) {
 109         cp = concat ("Remove folder \"", folder, "\"? ", NULL);
 110         if (!getanswer (cp))
 111             done (0);
 112         free (cp);
 113     }
 114
 115     if (rmf (folder) == OK) {
 116         char *cfolder = context_find(pfolder);
 117         if (cfolder && strcmp (cfolder, newfolder)) {
 118             printf ("[+%s now current]\n", newfolder);
 119             context_replace (pfolder, newfolder);       /* update current folder */
 120         }
 121     }
 122     context_save ();    /* save the context file */
 123     done (0);
 124     return 1;
 125 }
 126
 127 static int
 128 rmf (char *folder)
 129 {
 130     int i, j, others;
 131     register char *maildir;
 132     char cur[BUFSIZ];
 133     register struct dirent *dp;
 134     register DIR *dd;
 135
 136     switch (i = chdir (maildir = m_maildir (folder))) {
 137         case OK:
 138             if (access (".", W_OK) != NOTOK && access ("..", W_OK) != NOTOK)
 139                 break;          /* fall otherwise */
 140
 141         case NOTOK:
 142             snprintf (cur, sizeof(cur), "atr-%s-%s",
 143                         current, m_mailpath (folder));
 144             if (!context_del (cur)) {
 145                 printf ("[+%s de-referenced]\n", folder);
 146                 return OK;
 147             }
 148             advise (NULL, "you have no profile entry for the %s folder +%s",
 149                     i == NOTOK ? "unreadable" : "read-only", folder);
 150             return NOTOK;
 151     }
 152
 153     if ((dd = opendir (".")) == NULL)
 154         adios (NULL, "unable to read folder +%s", folder);
 155     others = 0;
 156
 157     /*
 158      *  Run the external delete hook program.
 159      */
 160
 161     (void)ext_hook("del-hook", maildir, (char *)0);
 162
 163     j = strlen(BACKUP_PREFIX);
 164     while ((dp = readdir (dd))) {
 165         switch (dp->d_name[0]) {
 166             case '.':
 167                 if (strcmp (dp->d_name, ".") == 0
 168                         || strcmp (dp->d_name, "..") == 0)
 169                     continue;   /* else fall */
 170
 171             case ',':
 172                 break;
 173
 174             default:
 175                 if (m_atoi (dp->d_name))
 176                     break;
 177                 if (strcmp (dp->d_name, LINK) == 0
 178                         || strncmp (dp->d_name, BACKUP_PREFIX, j) == 0)
 179                     break;
 180
 181                 admonish (NULL, "file \"%s/%s\" not deleted",
 182                         folder, dp->d_name);
 183                 others++;
 184                 continue;
 185         }
 186         if (unlink (dp->d_name) == NOTOK) {
 187             admonish (dp->d_name, "unable to unlink %s:", folder);
 188             others++;
 189         }
 190     }
 191
 192     closedir (dd);
 193
 194     /*
 195      * Remove any relevant private sequences
 196      * or attributes from context file.
 197      */
 198     rma (folder);
 199
 200     chdir ("..");
 201     if (others == 0 && remdir (maildir))
 202         return OK;
 203
 204     advise (NULL, "folder +%s not removed", folder);
 205     return NOTOK;
 206 }
 207
 208
 209 /*
 210  * Remove all the (private) sequence information for
 211  * this folder from the profile/context list.
 212  */
 213
 214 static void
 215 rma (char *folder)
 216 {
 217     register int alen, j, plen;
 218     register char *cp;
 219     register struct node *np, *pp;
 220
 221     alen = strlen ("atr-");
 222     plen = strlen (cp = m_mailpath (folder)) + 1;
 223
 224     /*
 225      * Search context list for keys that look like
 226      * "atr-something-folderpath", and remove them.
 227      */
 228     for (np = m_defs, pp = NULL; np; np = np->n_next) {
 229         if (ssequal ("atr-", np->n_name)
 230                 && (j = strlen (np->n_name) - plen) > alen
 231                 && *(np->n_name + j) == '-'
 232                 && strcmp (cp, np->n_name + j + 1) == 0) {
 233             if (!np->n_context)
 234                 admonish (NULL, "bug: context_del(key=\"%s\")", np->n_name);
 235             if (pp) {
 236                 pp->n_next = np->n_next;
 237                 np = pp;
 238             } else {
 239                 m_defs = np->n_next;
 240             }
 241             ctxflags |= CTXMOD;
 242         } else {
 243             pp = np;
 244         }
 245     }
 246 }