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 <h/utils.h>
  11 #include <unistd.h>
  12 #include <dirent.h>
  13 #include <locale.h>
  14 #include <sysexits.h>
  15
  16 static struct swit switches[] = {
  17 #define INTRSW  0
  18         { "interactive", 0 },
  19 #define NINTRSW  1
  20         { "nointeractive", 2 },
  21 #define VERSIONSW  2
  22         { "Version", 0 },
  23 #define HELPSW  3
  24         { "help", 0 },
  25         { NULL, 0 }
  26 };
  27
  28 /*
  29 ** static prototypes
  30 */
  31 static int rmf(char *);
  32 static void rma(char *);
  33
  34
  35 int
  36 main(int argc, char **argv)
  37 {
  38         int defolder = 0, interactive = -1;
  39         char *cp, *folder = NULL, newfolder[BUFSIZ];
  40         char buf[BUFSIZ], **argp, **arguments;
  41
  42         setlocale(LC_ALL, "");
  43         invo_name = mhbasename(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                                 exit(EX_USAGE);
  57                         case UNKWNSW:
  58                                 adios(EX_USAGE, NULL, "-%s unknown", cp);
  59
  60                         case HELPSW:
  61                                 snprintf(buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
  62                                 print_help(buf, switches, 1);
  63                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  64                         case VERSIONSW:
  65                                 print_version(invo_name);
  66                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  67
  68                         case INTRSW:
  69                                 interactive = 1;
  70                                 continue;
  71                         case NINTRSW:
  72                                 interactive = 0;
  73                                 continue;
  74                         }
  75                 }
  76                 if (*cp == '+' || *cp == '@') {
  77                         if (folder)
  78                                 adios(EX_USAGE, NULL, "only one folder at a time!");
  79                         else
  80                                 folder = mh_xstrdup(expandfol(cp));
  81                 } else {
  82                         adios(EX_USAGE, NULL, "usage: %s [+folder] [switches]",
  83                                         invo_name);
  84                 }
  85         }
  86
  87         if (!folder) {
  88                 folder = getcurfol();
  89                 defolder++;
  90         }
  91         if (strcmp(toabsdir(folder), pwd()) == 0)
  92                 adios(EX_USAGE, NULL, "You can't remove the current working directory");
  93
  94         if (interactive == -1)
  95                 interactive = defolder;
  96
  97         if (strchr(folder, '/') && (*folder != '/') && (*folder != '.')) {
  98                 strcpy(newfolder, folder);
  99                 cp = newfolder + strlen(newfolder);
 100                 while (cp > newfolder && *cp != '/')
 101                         cp--;
 102                 if (cp > newfolder)
 103                         *cp = '\0';
 104                 else
 105                         strncpy(newfolder, getdeffol(), sizeof(newfolder));
 106         } else {
 107                 strncpy(newfolder, getdeffol(), sizeof(newfolder));
 108         }
 109
 110         if (interactive) {
 111                 cp = concat("Remove folder \"", folder, "\"? ", NULL);
 112                 if (!getanswer(cp))
 113                         exit(EX_OK);
 114                 mh_free0(&cp);
 115         }
 116
 117         if (rmf(folder) == OK) {
 118                 char *cfolder = context_find(curfolder);
 119                 if (cfolder && strcmp(cfolder, newfolder)!=0) {
 120                         printf("[+%s now current]\n", newfolder);
 121                         /* update current folder */
 122                         context_replace(curfolder, newfolder);
 123                 }
 124         }
 125         context_save();  /* save the context file */
 126         return 0;
 127 }
 128
 129 static int
 130 rmf(char *folder)
 131 {
 132         int i, others;
 133         char *maildir;
 134         char cur[BUFSIZ];
 135         struct dirent *dp;
 136         DIR *dd;
 137
 138         switch (i = chdir(maildir = toabsdir(folder))) {
 139         case OK:
 140                 if (access(".", W_OK) != NOTOK && access("..", W_OK) != NOTOK)
 141                         break;  /* fall otherwise */
 142
 143         case NOTOK:
 144                 snprintf(cur, sizeof(cur), "atr-%s-%s", seq_cur,
 145                                 toabsdir(folder));
 146                 if (!context_del(cur)) {
 147                         printf("[+%s de-referenced]\n", folder);
 148                         return OK;
 149                 }
 150                 advise(NULL, "you have no profile entry for the %s folder +%s",
 151                                 i == NOTOK ? "unreadable" : "read-only",
 152                                 folder);
 153                 return NOTOK;
 154         }
 155
 156         if ((dd = opendir(".")) == NULL)
 157                 adios(EX_IOERR, NULL, "unable to read folder +%s", folder);
 158         others = 0;
 159
 160         /*
 161         ** Run the external delete hook program.
 162         */
 163
 164         ext_hook("del-hook", maildir, NULL);
 165
 166         while ((dp = readdir(dd))) {
 167                 switch (dp->d_name[0]) {
 168                 case '.':
 169                         if (strcmp(dp->d_name, ".") == 0 ||
 170                                         strcmp(dp->d_name, "..") == 0)
 171                                 continue;  /* else fall */
 172
 173                 case ',':
 174                         break;
 175
 176                 default:
 177                         if (m_atoi(dp->d_name))
 178                                 break;
 179
 180                         admonish(NULL, "file \"%s/%s\" not deleted",
 181                                         folder, dp->d_name);
 182                         others++;
 183                         continue;
 184                 }
 185                 if (unlink(dp->d_name) == NOTOK) {
 186                         admonish(dp->d_name, "unable to unlink %s:", folder);
 187                         others++;
 188                 }
 189         }
 190
 191         closedir(dd);
 192
 193         /*
 194         ** Remove any relevant private sequences
 195         ** or attributes from context file.
 196         */
 197         rma(folder);
 198
 199         chdir("..");
 200         if (others == 0) {
 201                 context_save();  /* Is this needed? meillo 2011-10 */
 202                 fflush(stdout);  /* Is this needed? meillo 2011-10 */
 203                 if (rmdir(maildir) != -1) {
 204                         return OK;
 205                 }
 206                 admonish(maildir, "unable to remove directory");
 207         }
 208
 209         advise(NULL, "folder +%s not removed", folder);
 210         return NOTOK;
 211 }
 212
 213
 214 /*
 215 ** Remove all the (private) sequence information for
 216 ** this folder from the profile/context list.
 217 */
 218
 219 static void
 220 rma(char *folder)
 221 {
 222         int alen, j, plen;
 223         char *cp;
 224         struct node *np, *pp;
 225
 226         alen = strlen("atr-");
 227         plen = strlen(cp = mh_xstrdup(toabsdir(folder))) + 1;
 228
 229         /*
 230         ** Search context list for keys that look like
 231         ** "atr-something-folderpath", and remove them.
 232         */
 233         for (np = m_defs, pp = NULL; np; np = np->n_next) {
 234                 if (strncmp(np->n_name, "atr-", alen)==0 &&
 235                                 (j = strlen(np->n_name) - plen) > alen &&
 236                                 *(np->n_name + j) == '-' &&
 237                                 strcmp(cp, np->n_name + j + 1) == 0) {
 238                         if (!np->n_context)
 239                                 admonish(NULL, "bug: context_del(key=\"%s\")",
 240                                                 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         mh_free0(&cp);
 253 }