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 = mhbasename(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]", invo_name);
  59                                 print_help(buf, switches, 1);
  60                                 done(1);
  61                         case VERSIONSW:
  62                                 print_version(invo_name);
  63                                 done(1);
  64
  65                         case INTRSW:
  66                                 interactive = 1;
  67                                 continue;
  68                         case NINTRSW:
  69                                 interactive = 0;
  70                                 continue;
  71                         }
  72                 }
  73                 if (*cp == '+' || *cp == '@') {
  74                         if (folder)
  75                                 adios(NULL, "only one folder at a time!");
  76                         else
  77                                 folder = getcpy(expandfol(cp));
  78                 } else {
  79                         adios(NULL, "usage: %s [+folder] [switches]",
  80                                         invo_name);
  81                 }
  82         }
  83
  84         if (!folder) {
  85                 folder = getcurfol();
  86                 defolder++;
  87         }
  88         if (strcmp(toabsdir(folder), pwd()) == 0)
  89                 adios(NULL, "You can't remove the current working directory");
  90
  91         if (interactive == -1)
  92                 interactive = defolder;
  93
  94         if (strchr(folder, '/') && (*folder != '/') && (*folder != '.')) {
  95                 strcpy(newfolder, folder);
  96                 cp = newfolder + strlen(newfolder);
  97                 while (cp > newfolder && *cp != '/')
  98                         cp--;
  99                 if (cp > newfolder)
 100                         *cp = '\0';
 101                 else
 102                         strncpy(newfolder, getdeffol(), sizeof(newfolder));
 103         } else {
 104                 strncpy(newfolder, getdeffol(), 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(curfolder);
 116                 if (cfolder && strcmp(cfolder, newfolder)!=0) {
 117                         printf("[+%s now current]\n", newfolder);
 118                         /* update current folder */
 119                         context_replace(curfolder, newfolder);
 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 = 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         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                         break;
 174
 175                 default:
 176                         if (m_atoi(dp->d_name))
 177                                 break;
 178                         if (strcmp(dp->d_name, altmsglink) == 0 ||
 179                                         strncmp(dp->d_name,
 180                                         backup_prefix, j) == 0)
 181                                 break;
 182
 183                         admonish(NULL, "file \"%s/%s\" not deleted",
 184                                         folder, dp->d_name);
 185                         others++;
 186                         continue;
 187                 }
 188                 if (unlink(dp->d_name) == NOTOK) {
 189                         admonish(dp->d_name, "unable to unlink %s:", folder);
 190                         others++;
 191                 }
 192         }
 193
 194         closedir(dd);
 195
 196         /*
 197         ** Remove any relevant private sequences
 198         ** or attributes from context file.
 199         */
 200         rma(folder);
 201
 202         chdir("..");
 203         if (others == 0) {
 204                 context_save();  /* Is this needed? meillo 2011-10 */
 205                 fflush(stdout);  /* Is this needed? meillo 2011-10 */
 206                 if (rmdir(maildir) != -1) {
 207                         return OK;
 208                 }
 209                 admonish(maildir, "unable to remove directory");
 210         }
 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 = getcpy(toabsdir(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 (strncmp(np->n_name, "atr-", alen)==0 &&
 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\")",
 243                                                 np->n_name);
 244                         if (pp) {
 245                                 pp->n_next = np->n_next;
 246                                 np = pp;
 247                         } else {
 248                                 m_defs = np->n_next;
 249                         }
 250                         ctxflags |= CTXMOD;
 251                 } else {
 252                         pp = np;
 253                 }
 254         }
 255         free(cp);
 256 }