static bfpath *bfpath_split(bfpath *bfp, const char *home)
{
/* precondition: bfp->dirname and bfp->filename free'd if need be */
char *t = strrchr(bfp->filepath, DIRSEP_C);
xfree(bfp->dirname);
xfree(bfp->filename);
if (t != NULL) {
/* if directory separator present .... */
*t = '\0';
bfp->dirname = xstrdup(bfp->filepath);
*t = DIRSEP_C;
bfp->filename = xstrdup(t+1);
}
else if (home != NULL){
bfp->dirname = xstrdup(home);
bfp->filename = bfp->filepath;
bfp->filepath = mxcat(bfp->dirname, DIRSEP_S, bfp->filename, NULL);
}
else {
bfp->dirname = NULL;
bfp->filename = xstrdup(bfp->filepath);
}
return bfp;
}
void bfpath_set_filename(bfpath *bfp, const char *filename)
{
xfree(bfp->filename);
bfp->filename = xstrdup(filename);
xfree(bfp->filepath);
bfp->filepath = mxcat(bfp->dirname, DIRSEP_S, bfp->filename, NULL);
check_for_file(bfp);
return;
}
static int db_try_glock(bfpath *bfp, short locktype, int lockcmd)
{
int ret;
char *t;
/* lock */
ret = bf_mkdir(bfp->dirname, DIR_MODE);
if (ret && errno != EEXIST) {
print_error(__FILE__, __LINE__, "mkdir(%s): %s",
bfp->dirname, strerror(errno));
exit(EX_ERROR);
}
t = mxcat(bfp->dirname, DIRSEP_S, "lockfile-d", NULL);
/* All we are interested in is that this file exists, we'll close it
* right away as plock down will open it again */
ret = open(t, O_RDWR|O_CREAT|O_EXCL, DS_MODE);
if (ret < 0 && errno != EEXIST) {
print_error(__FILE__, __LINE__, "open(%s): %s",
t, strerror(errno));
exit(EX_ERROR);
}
if (ret >= 0)
close(ret);
lockfd = plock(t, locktype, lockcmd);
if (lockfd < 0 && errno != EAGAIN && errno != EACCES) {
print_error(__FILE__, __LINE__, "lock(%s): %s",
t, strerror(errno));
exit(EX_ERROR);
}
xfree(t);
/* lock set up */
return lockfd;
}
int main(int argc, char **argv) /*@globals errno,stderr,stdout@*/
{
ex_t exitcode = EX_OK;
fBogotune = true; /* for rob_compute_spamicity() */
dbgout = stderr;
progtype = build_progtype(progname, DB_TYPE);
ham_files = filelist_new("ham");
spam_files = filelist_new("spam");
/* process args and read mailboxes */
process_arglist(argc, argv);
/* directories from command line and config file are already handled */
if (ds_flag == DS_DSK) {
bfpath *bfp;
if (ds_path == NULL)
ds_path = get_directory(PR_ENV_BOGO);
if (ds_path == NULL)
ds_path = get_directory(PR_ENV_HOME);
if (ds_path == NULL) {
fprintf(stderr, "Cannot derive bogofilter directory from environment, aborting.\n");
exit(EX_ERROR);
}
set_bogohome(ds_path);
bfp = bfpath_create(ds_path);
if (!bfpath_check_mode(bfp, BFP_MUST_EXIST)) {
fprintf(stderr, "Can't open wordlist '%s'\n", bfp->filepath);
exit(EX_ERROR);
}
if (bfp->exists && bfp->isdir) {
bfpath_free(bfp);
ds_path = mxcat(ds_path, DIRSEP_S, WORDLIST, NULL);
bfp = bfpath_create(ds_path);
if (!bfpath_check_mode(bfp, BFP_MUST_EXIST)) {
fprintf(stderr, "Can't open wordlist '%s'\n", bfp->filepath);
exit(EX_ERROR);
}
}
env = ds_init(bfp);
init_wordlist("word", ds_path, 0, WL_REGULAR);
}
bogotune_init();
if (ds_flag == DS_DSK)
load_wordlist(load_hook, train);
/* if encoding not yet set, assume old style */
if (encoding == E_UNKNOWN)
encoding = E_RAW;
if (bogolex_file != NULL)
bogolex();
else
bogotune();
bogotune_free();
if (ds_flag == DS_DSK)
ds_cleanup(env);
exit(exitcode);
}
