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 #include <sysexits.h>
  14
  15 static struct swit switches[] = {
  16 #define INTRSW  0
  17         { "interactive", 0 },
  18 #define NINTRSW  1
  19         { "nointeractive", 2 },
  20 #define VERSIONSW  2
  21         { "Version", 0 },
  22 #define HELPSW  3
  23         { "help", 0 },
  24         { NULL, 0 }
  25 };
  26
  27 /*
  28 ** static prototypes
  29 */
  30 static int rmf(char *);
  31 static void rma(char *);
  32
  33
  34 int
  35 main(int argc, char **argv)
  36 {
  37         int defolder = 0, interactive = -1;
  38         char *cp, *folder = NULL, newfolder[BUFSIZ];
  39         char buf[BUFSIZ], **argp, **arguments;
  40
  41         setlocale(LC_ALL, "");
  42         invo_name = mhbasename(argv[0]);
  43
  44         /* read user profile/context */
  45         context_read();
  46
  47         arguments = getarguments(invo_name, argc, argv, 1);
  48         argp = arguments;
  49
  50         while ((cp = *argp++)) {
  51                 if (*cp == '-') {
  52                         switch (smatch(++cp, switches)) {
  53                         case AMBIGSW:
  54                                 ambigsw(cp, switches);
  55                                 exit(EX_USAGE);
  56                         case UNKWNSW:
  57                                 adios(EX_USAGE, NULL, "-%s unknown", cp);
  58
  59                         case HELPSW:
  60                                 snprintf(buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
  61                                 print_help(buf, switches, 1);
  62                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  63                         case VERSIONSW:
  64                                 print_version(invo_name);
  65                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  66
  67                         case INTRSW:
  68                                 interactive = 1;
  69                                 continue;
  70                         case NINTRSW:
  71                                 interactive = 0;
  72                                 continue;
  73                         }
  74                 }
  75                 if (*cp == '+' || *cp == '@') {
  76                         if (folder)
  77                                 adios(EX_USAGE, NULL, "only one folder at a time!");
  78                         else
  79                                 folder = getcpy(expandfol(cp));
  80                 } else {
  81                         adios(EX_USAGE, NULL, "usage: %s [+folder] [switches]",
  82                                         invo_name);
  83                 }
  84         }
  85
  86         if (!folder) {
  87                 folder = getcurfol();
  88                 defolder++;
  89         }
  90         if (strcmp(toabsdir(folder), pwd()) == 0)
  91                 adios(EX_USAGE, NULL, "You can't remove the current working directory");
  92
  93         if (interactive == -1)
  94                 interactive = defolder;
  95
  96         if (strchr(folder, '/') && (*folder != '/') && (*folder != '.')) {
  97                 strcpy(newfolder, folder);
  98                 cp = newfolder + strlen(newfolder);
  99                 while (cp > newfolder && *cp != '/')
 100                         cp--;
 101                 if (cp > newfolder)
 102                         *cp = '\0';
 103                 else
 104                         strncpy(newfolder, getdeffol(), sizeof(newfolder));
 105         } else {
 106                 strncpy(newfolder, getdeffol(), sizeof(newfolder));
 107         }
 108
 109         if (interactive) {
 110                 cp = concat("Remove folder \"", folder, "\"? ", NULL);
 111                 if (!getanswer(cp))
 112                         exit(EX_OK);
 113                 free(cp);
 114         }
 115
 116         if (rmf(folder) == OK) {
 117                 char *cfolder = context_find(curfolder);
 118                 if (cfolder && strcmp(cfolder, newfolder)!=0) {
 119                         printf("[+%s now current]\n", newfolder);
 120                         /* update current folder */
 121                         context_replace(curfolder, newfolder);
 122                 }
 123         }
 124         context_save();  /* save the context file */
 125         return 0;
 126 }
 127
 128 static int
 129 rmf(char *folder)
 130 {
 131         int i, others;
 132         register char *maildir;
 133         char cur[BUFSIZ];
 134         register struct dirent *dp;
 135         register DIR *dd;
 136
 137         switch (i = chdir(maildir = toabsdir(folder))) {
 138         case OK:
 139                 if (access(".", W_OK) != NOTOK && access("..", W_OK) != NOTOK)
 140                         break;  /* fall otherwise */
 141
 142         case NOTOK:
 143                 snprintf(cur, sizeof(cur), "atr-%s-%s", seq_cur,
 144                                 toabsdir(folder));
 145                 if (!context_del(cur)) {
 146                         printf("[+%s de-referenced]\n", folder);
 147                         return OK;
 148                 }
 149                 advise(NULL, "you have no profile entry for the %s folder +%s",
 150                                 i == NOTOK ? "unreadable" : "read-only",
 151                                 folder);
 152                 return NOTOK;
 153         }
 154
 155         if ((dd = opendir(".")) == NULL)
 156                 adios(EX_IOERR, NULL, "unable to read folder +%s", folder);
 157         others = 0;
 158
 159         /*
 160         ** Run the external delete hook program.
 161         */
 162
 163         ext_hook("del-hook", maildir, NULL);
 164
 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
 179                         admonish(NULL, "file \"%s/%s\" not deleted",
 180                                         folder, dp->d_name);
 181                         others++;
 182                         continue;
 183                 }
 184                 if (unlink(dp->d_name) == NOTOK) {
 185                         admonish(dp->d_name, "unable to unlink %s:", folder);
 186                         others++;
 187                 }
 188         }
 189
 190         closedir(dd);
 191
 192         /*
 193         ** Remove any relevant private sequences
 194         ** or attributes from context file.
 195         */
 196         rma(folder);
 197
 198         chdir("..");
 199         if (others == 0) {
 200                 context_save();  /* Is this needed? meillo 2011-10 */
 201                 fflush(stdout);  /* Is this needed? meillo 2011-10 */
 202                 if (rmdir(maildir) != -1) {
 203                         return OK;
 204                 }
 205                 admonish(maildir, "unable to remove directory");
 206         }
 207
 208         advise(NULL, "folder +%s not removed", folder);
 209         return NOTOK;
 210 }
 211
 212
 213 /*
 214 ** Remove all the (private) sequence information for
 215 ** this folder from the profile/context list.
 216 */
 217
 218 static void
 219 rma(char *folder)
 220 {
 221         register int alen, j, plen;
 222         register char *cp;
 223         register struct node *np, *pp;
 224
 225         alen = strlen("atr-");
 226         plen = strlen(cp = getcpy(toabsdir(folder))) + 1;
 227
 228         /*
 229         ** Search context list for keys that look like
 230         ** "atr-something-folderpath", and remove them.
 231         */
 232         for (np = m_defs, pp = NULL; np; np = np->n_next) {
 233                 if (strncmp(np->n_name, "atr-", alen)==0 &&
 234                                 (j = strlen(np->n_name) - plen) > alen &&
 235                                 *(np->n_name + j) == '-' &&
 236                                 strcmp(cp, np->n_name + j + 1) == 0) {
 237                         if (!np->n_context)
 238                                 admonish(NULL, "bug: context_del(key=\"%s\")",
 239                                                 np->n_name);
 240                         if (pp) {
 241                                 pp->n_next = np->n_next;
 242                                 np = pp;
 243                         } else {
 244                                 m_defs = np->n_next;
 245                         }
 246                         ctxflags |= CTXMOD;
 247                 } else {
 248                         pp = np;
 249                 }
 250         }
 251         free(cp);
 252 }