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 #include <unistd.h>
  11 #include <dirent.h>
  12 #include <locale.h>
  13
  14 static struct swit switches[] = {
  15 #define INTRSW  0
  16         { "interactive", 0 },
  17 #define NINTRSW  1
  18         { "nointeractive", 2 },
  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         setlocale(LC_ALL, "");
  41         invo_name = mhbasename(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                                 exit(1);
  55                         case UNKWNSW:
  56                                 adios(NULL, "-%s unknown", cp);
  57
  58                         case HELPSW:
  59                                 snprintf(buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
  60                                 print_help(buf, switches, 1);
  61                                 exit(0);
  62                         case VERSIONSW:
  63                                 print_version(invo_name);
  64                                 exit(0);
  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 = getcpy(expandfol(cp));
  79                 } else {
  80                         adios(NULL, "usage: %s [+folder] [switches]",
  81                                         invo_name);
  82                 }
  83         }
  84
  85         if (!folder) {
  86                 folder = getcurfol();
  87                 defolder++;
  88         }
  89         if (strcmp(toabsdir(folder), pwd()) == 0)
  90                 adios(NULL, "You can't remove the current working directory");
  91
  92         if (interactive == -1)
  93                 interactive = defolder;
  94
  95         if (strchr(folder, '/') && (*folder != '/') && (*folder != '.')) {
  96                 strcpy(newfolder, folder);
  97                 cp = newfolder + strlen(newfolder);
  98                 while (cp > newfolder && *cp != '/')
  99                         cp--;
 100                 if (cp > newfolder)
 101                         *cp = '\0';
 102                 else
 103                         strncpy(newfolder, getdeffol(), sizeof(newfolder));
 104         } else {
 105                 strncpy(newfolder, getdeffol(), sizeof(newfolder));
 106         }
 107
 108         if (interactive) {
 109                 cp = concat("Remove folder \"", folder, "\"? ", NULL);
 110                 if (!getanswer(cp))
 111                         exit(0);
 112                 free(cp);
 113         }
 114
 115         if (rmf(folder) == OK) {
 116                 char *cfolder = context_find(curfolder);
 117                 if (cfolder && strcmp(cfolder, newfolder)!=0) {
 118                         printf("[+%s now current]\n", newfolder);
 119                         /* update current folder */
 120                         context_replace(curfolder, newfolder);
 121                 }
 122         }
 123         context_save();  /* save the context file */
 124         return 0;
 125 }
 126
 127 static int
 128 rmf(char *folder)
 129 {
 130         int i, others;
 131         register char *maildir;
 132         char cur[BUFSIZ];
 133         register struct dirent *dp;
 134         register DIR *dd;
 135
 136         switch (i = chdir(maildir = toabsdir(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", seq_cur,
 143                                 toabsdir(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",
 150                                 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         ext_hook("del-hook", maildir, NULL);
 163
 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
 178                         admonish(NULL, "file \"%s/%s\" not deleted",
 179                                         folder, dp->d_name);
 180                         others++;
 181                         continue;
 182                 }
 183                 if (unlink(dp->d_name) == NOTOK) {
 184                         admonish(dp->d_name, "unable to unlink %s:", folder);
 185                         others++;
 186                 }
 187         }
 188
 189         closedir(dd);
 190
 191         /*
 192         ** Remove any relevant private sequences
 193         ** or attributes from context file.
 194         */
 195         rma(folder);
 196
 197         chdir("..");
 198         if (others == 0) {
 199                 context_save();  /* Is this needed? meillo 2011-10 */
 200                 fflush(stdout);  /* Is this needed? meillo 2011-10 */
 201                 if (rmdir(maildir) != -1) {
 202                         return OK;
 203                 }
 204                 admonish(maildir, "unable to remove directory");
 205         }
 206
 207         advise(NULL, "folder +%s not removed", folder);
 208         return NOTOK;
 209 }
 210
 211
 212 /*
 213 ** Remove all the (private) sequence information for
 214 ** this folder from the profile/context list.
 215 */
 216
 217 static void
 218 rma(char *folder)
 219 {
 220         register int alen, j, plen;
 221         register char *cp;
 222         register struct node *np, *pp;
 223
 224         alen = strlen("atr-");
 225         plen = strlen(cp = getcpy(toabsdir(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 (strncmp(np->n_name, "atr-", alen)==0 &&
 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\")",
 238                                                 np->n_name);
 239                         if (pp) {
 240                                 pp->n_next = np->n_next;
 241                                 np = pp;
 242                         } else {
 243                                 m_defs = np->n_next;
 244                         }
 245                         ctxflags |= CTXMOD;
 246                 } else {
 247                         pp = np;
 248                 }
 249         }
 250         free(cp);
 251 }