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 char *version=VERSION;
  29
  30 /*
  31 ** static prototypes
  32 */
  33 static int rmf(char *);
  34 static void rma(char *);
  35
  36
  37 int
  38 main(int argc, char **argv)
  39 {
  40         int defolder = 0, interactive = -1;
  41         char *cp, *folder = NULL, newfolder[BUFSIZ];
  42         char buf[BUFSIZ], **argp, **arguments;
  43
  44         setlocale(LC_ALL, "");
  45         invo_name = mhbasename(argv[0]);
  46
  47         /* read user profile/context */
  48         context_read();
  49
  50         arguments = getarguments(invo_name, argc, argv, 1);
  51         argp = arguments;
  52
  53         while ((cp = *argp++)) {
  54                 if (*cp == '-') {
  55                         switch (smatch(++cp, switches)) {
  56                         case AMBIGSW:
  57                                 ambigsw(cp, switches);
  58                                 exit(EX_USAGE);
  59                         case UNKWNSW:
  60                                 adios(EX_USAGE, NULL, "-%s unknown", cp);
  61
  62                         case HELPSW:
  63                                 snprintf(buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
  64                                 print_help(buf, switches, 1);
  65                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  66                         case VERSIONSW:
  67                                 print_version(invo_name);
  68                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  69
  70                         case INTRSW:
  71                                 interactive = 1;
  72                                 continue;
  73                         case NINTRSW:
  74                                 interactive = 0;
  75                                 continue;
  76                         }
  77                 }
  78                 if (*cp == '+' || *cp == '@') {
  79                         if (folder)
  80                                 adios(EX_USAGE, NULL, "only one folder at a time!");
  81                         else
  82                                 folder = mh_xstrdup(expandfol(cp));
  83                 } else {
  84                         adios(EX_USAGE, NULL, "usage: %s [+folder] [switches]",
  85                                         invo_name);
  86                 }
  87         }
  88
  89         if (!folder) {
  90                 folder = getcurfol();
  91                 defolder++;
  92         }
  93         if (strcmp(toabsdir(folder), pwd()) == 0)
  94                 adios(EX_USAGE, NULL, "You can't remove the current working directory");
  95
  96         if (interactive == -1)
  97                 interactive = defolder;
  98
  99         if (strchr(folder, '/') && (*folder != '/') && (*folder != '.')) {
 100                 strcpy(newfolder, folder);
 101                 cp = newfolder + strlen(newfolder);
 102                 while (cp > newfolder && *cp != '/')
 103                         cp--;
 104                 if (cp > newfolder)
 105                         *cp = '\0';
 106                 else
 107                         strncpy(newfolder, getdeffol(), sizeof(newfolder));
 108         } else {
 109                 strncpy(newfolder, getdeffol(), sizeof(newfolder));
 110         }
 111
 112         if (interactive) {
 113                 cp = concat("Remove folder \"", folder, "\"? ", NULL);
 114                 if (!getanswer(cp))
 115                         exit(EX_OK);
 116                 mh_free0(&cp);
 117         }
 118
 119         if (rmf(folder) == OK) {
 120                 char *cfolder = context_find(curfolder);
 121                 if (cfolder && strcmp(cfolder, newfolder)!=0) {
 122                         printf("[+%s now current]\n", newfolder);
 123                         /* update current folder */
 124                         context_replace(curfolder, newfolder);
 125                 }
 126         }
 127         context_save();  /* save the context file */
 128         return 0;
 129 }
 130
 131 static int
 132 rmf(char *folder)
 133 {
 134         int i, others;
 135         char *maildir;
 136         char cur[BUFSIZ];
 137         struct dirent *dp;
 138         DIR *dd;
 139
 140         switch (i = chdir(maildir = toabsdir(folder))) {
 141         case OK:
 142                 if (access(".", W_OK) != NOTOK && access("..", W_OK) != NOTOK)
 143                         break;  /* fall otherwise */
 144
 145         case NOTOK:
 146                 snprintf(cur, sizeof(cur), "atr-%s-%s", seq_cur,
 147                                 toabsdir(folder));
 148                 if (!context_del(cur)) {
 149                         printf("[+%s de-referenced]\n", folder);
 150                         return OK;
 151                 }
 152                 advise(NULL, "you have no profile entry for the %s folder +%s",
 153                                 i == NOTOK ? "unreadable" : "read-only",
 154                                 folder);
 155                 return NOTOK;
 156         }
 157
 158         if ((dd = opendir(".")) == NULL)
 159                 adios(EX_IOERR, NULL, "unable to read folder +%s", folder);
 160         others = 0;
 161
 162         /*
 163         ** Run the external delete hook program.
 164         */
 165
 166         ext_hook("del-hook", maildir, NULL);
 167
 168         while ((dp = readdir(dd))) {
 169                 switch (dp->d_name[0]) {
 170                 case '.':
 171                         if (strcmp(dp->d_name, ".") == 0 ||
 172                                         strcmp(dp->d_name, "..") == 0)
 173                                 continue;  /* else fall */
 174
 175                 case ',':
 176                         break;
 177
 178                 default:
 179                         if (m_atoi(dp->d_name))
 180                                 break;
 181
 182                         admonish(NULL, "file \"%s/%s\" not deleted",
 183                                         folder, dp->d_name);
 184                         others++;
 185                         continue;
 186                 }
 187                 if (unlink(dp->d_name) == NOTOK) {
 188                         admonish(dp->d_name, "unable to unlink %s:", folder);
 189                         others++;
 190                 }
 191         }
 192
 193         closedir(dd);
 194
 195         /*
 196         ** Remove any relevant private sequences
 197         ** or attributes from context file.
 198         */
 199         rma(folder);
 200
 201         chdir("..");
 202         if (others == 0) {
 203                 context_save();  /* Is this needed? meillo 2011-10 */
 204                 fflush(stdout);  /* Is this needed? meillo 2011-10 */
 205                 if (rmdir(maildir) != -1) {
 206                         return OK;
 207                 }
 208                 admonish(maildir, "unable to remove directory");
 209         }
 210
 211         advise(NULL, "folder +%s not removed", folder);
 212         return NOTOK;
 213 }
 214
 215
 216 /*
 217 ** Remove all the (private) sequence information for
 218 ** this folder from the profile/context list.
 219 */
 220
 221 static void
 222 rma(char *folder)
 223 {
 224         int alen, j, plen;
 225         char *cp;
 226         struct node *np, *pp;
 227
 228         alen = strlen("atr-");
 229         plen = strlen(cp = mh_xstrdup(toabsdir(folder))) + 1;
 230
 231         /*
 232         ** Search context list for keys that look like
 233         ** "atr-something-folderpath", and remove them.
 234         */
 235         for (np = m_defs, pp = NULL; np; np = np->n_next) {
 236                 if (strncmp(np->n_name, "atr-", alen)==0 &&
 237                                 (j = strlen(np->n_name) - plen) > alen &&
 238                                 *(np->n_name + j) == '-' &&
 239                                 strcmp(cp, np->n_name + j + 1) == 0) {
 240                         if (!np->n_context)
 241                                 admonish(NULL, "bug: context_del(key=\"%s\")",
 242                                                 np->n_name);
 243                         if (pp) {
 244                                 pp->n_next = np->n_next;
 245                                 np = pp;
 246                         } else {
 247                                 m_defs = np->n_next;
 248                         }
 249                         ctxflags |= CTXMOD;
 250                 } else {
 251                         pp = np;
 252                 }
 253         }
 254         mh_free0(&cp);
 255 }