git.marmaro.de Git - mmh/blob - uip/rmf.c

   1 /*
   2  * rmf.c -- remove a folder
   3  *
   4  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   5  * COPYRIGHT file in the root directory of the nmh distribution for
   6  * complete copyright information.
   7  */
   8
   9 #include <h/mh.h>
  10
  11 static struct swit switches[] = {
  12 #define INTRSW  0
  13         { "interactive", 0 },
  14 #define NINTRSW  1
  15         { "nointeractive", 0 },
  16 #define VERSIONSW  2
  17         { "version", 0 },
  18 #define HELPSW  3
  19         { "help", 0 },
  20         { NULL, 0 }
  21 };
  22
  23 /*
  24  * static prototypes
  25  */
  26 static int rmf(char *);
  27 static void rma (char *);
  28
  29
  30 int
  31 main (int argc, char **argv)
  32 {
  33         int defolder = 0, interactive = -1;
  34         char *cp, *folder = NULL, newfolder[BUFSIZ];
  35         char buf[BUFSIZ], **argp, **arguments;
  36
  37 #ifdef LOCALE
  38         setlocale(LC_ALL, "");
  39 #endif
  40         invo_name = r1bindex (argv[0], '/');
  41
  42         /* read user profile/context */
  43         context_read();
  44
  45         arguments = getarguments (invo_name, argc, argv, 1);
  46         argp = arguments;
  47
  48         while ((cp = *argp++)) {
  49                 if (*cp == '-') {
  50                         switch (smatch (++cp, switches)) {
  51                                 case AMBIGSW:
  52                                         ambigsw (cp, switches);
  53                                         done (1);
  54                                 case UNKWNSW:
  55                                         adios (NULL, "-%s unknown", cp);
  56
  57                                 case HELPSW:
  58                                         snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  59                                                 invo_name);
  60                                         print_help (buf, switches, 1);
  61                                         done (1);
  62                                 case VERSIONSW:
  63                                         print_version(invo_name);
  64                                         done (1);
  65
  66                                 case INTRSW:
  67                                         interactive = 1;
  68                                         continue;
  69                                 case NINTRSW:
  70                                         interactive = 0;
  71                                         continue;
  72                         }
  73                 }
  74                 if (*cp == '+' || *cp == '@') {
  75                         if (folder)
  76                                 adios (NULL, "only one folder at a time!");
  77                         else
  78                                 folder = pluspath (cp);
  79                 } else {
  80                         adios (NULL, "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++;
  89         }
  90         if (strcmp (m_mailpath (folder), pwd ()) == 0)
  91                 adios (NULL, "sorry, you can't remove the current working directory");
  92
  93         if (interactive == -1)
  94                 interactive = defolder;
  95
  96         if (strchr (folder, '/') && (*folder != '/') && (*folder != '.')) {
  97                 for (cp = copy (folder, newfolder); cp > newfolder && *cp != '/'; cp--)
  98                         continue;
  99                 if (cp > newfolder)
 100                         *cp = '\0';
 101                 else
 102                         strncpy (newfolder, getfolder(0), sizeof(newfolder));
 103         } else {
 104                 strncpy (newfolder, getfolder(0), sizeof(newfolder));
 105         }
 106
 107         if (interactive) {
 108                 cp = concat ("Remove folder \"", folder, "\"? ", NULL);
 109                 if (!getanswer (cp))
 110                         done (0);
 111                 free (cp);
 112         }
 113
 114         if (rmf (folder) == OK) {
 115                 char *cfolder = context_find(pfolder);
 116                 if (cfolder && strcmp (cfolder, newfolder)) {
 117                         printf ("[+%s now current]\n", newfolder);
 118                         context_replace (pfolder, newfolder);  /* update current folder */
 119                 }
 120         }
 121         context_save ();  /* save the context file */
 122         done (0);
 123         return 1;
 124 }
 125
 126 static int
 127 rmf (char *folder)
 128 {
 129         int i, j, others;
 130         register char *maildir;
 131         char cur[BUFSIZ];
 132         register struct dirent *dp;
 133         register DIR *dd;
 134
 135         switch (i = chdir (maildir = m_maildir (folder))) {
 136                 case OK:
 137                         if (access (".", W_OK) != NOTOK && access ("..", W_OK) != NOTOK)
 138                                 break;  /* fall otherwise */
 139
 140                 case NOTOK:
 141                         snprintf (cur, sizeof(cur), "atr-%s-%s",
 142                                                 current, m_mailpath (folder));
 143                         if (!context_del (cur)) {
 144                                 printf ("[+%s de-referenced]\n", folder);
 145                                 return OK;
 146                         }
 147                         advise (NULL, "you have no profile entry for the %s folder +%s",
 148                                         i == NOTOK ? "unreadable" : "read-only", folder);
 149                         return NOTOK;
 150         }
 151
 152         if ((dd = opendir (".")) == NULL)
 153                 adios (NULL, "unable to read folder +%s", folder);
 154         others = 0;
 155
 156         /*
 157          * Run the external delete hook program.
 158          */
 159
 160         (void)ext_hook("del-hook", maildir, (char *)0);
 161
 162         j = strlen(backup_prefix);
 163         while ((dp = readdir (dd))) {
 164                 switch (dp->d_name[0]) {
 165                         case '.':
 166                                 if (strcmp (dp->d_name, ".") == 0
 167                                                 || strcmp (dp->d_name, "..") == 0)
 168                                         continue;  /* else fall */
 169
 170                         case ',':
 171 #ifdef MHE
 172                         case '+':
 173 #endif /* MHE */
 174 #ifdef UCI
 175                         case '_':
 176                         case '#':
 177 #endif /* UCI */
 178                                 break;
 179
 180                         default:
 181                                 if (m_atoi (dp->d_name))
 182                                         break;
 183                                 if (strcmp (dp->d_name, altmsglink) == 0
 184                                                 || strncmp (dp->d_name, backup_prefix, j) == 0)
 185                                         break;
 186
 187                                 admonish (NULL, "file \"%s/%s\" not deleted",
 188                                                 folder, dp->d_name);
 189                                 others++;
 190                                 continue;
 191                 }
 192                 if (unlink (dp->d_name) == NOTOK) {
 193                         admonish (dp->d_name, "unable to unlink %s:", folder);
 194                         others++;
 195                 }
 196         }
 197
 198         closedir (dd);
 199
 200         /*
 201          * Remove any relevant private sequences
 202          * or attributes from context file.
 203          */
 204         rma (folder);
 205
 206         chdir ("..");
 207         if (others == 0 && remdir (maildir))
 208                 return OK;
 209
 210         advise (NULL, "folder +%s not removed", folder);
 211         return NOTOK;
 212 }
 213
 214
 215 /*
 216  * Remove all the (private) sequence information for
 217  * this folder from the profile/context list.
 218  */
 219
 220 static void
 221 rma (char *folder)
 222 {
 223         register int alen, j, plen;
 224         register char *cp;
 225         register struct node *np, *pp;
 226
 227         alen = strlen ("atr-");
 228         plen = strlen (cp = m_mailpath (folder)) + 1;
 229
 230         /*
 231          * Search context list for keys that look like
 232          * "atr-something-folderpath", and remove them.
 233          */
 234         for (np = m_defs, pp = NULL; np; np = np->n_next) {
 235                 if (ssequal ("atr-", np->n_name)
 236                                 && (j = strlen (np->n_name) - plen) > alen
 237                                 && *(np->n_name + j) == '-'
 238                                 && strcmp (cp, np->n_name + j + 1) == 0) {
 239                         if (!np->n_context)
 240                                 admonish (NULL, "bug: context_del(key=\"%s\")", np->n_name);
 241                         if (pp) {
 242                                 pp->n_next = np->n_next;
 243                                 np = pp;
 244                         } else {
 245                                 m_defs = np->n_next;
 246                         }
 247                         ctxflags |= CTXMOD;
 248                 } else {
 249                         pp = np;
 250                 }
 251         }
 252 }