static t_attr * cdb_read_attr(const char *filename, const char *key)
{
#ifdef CDB_ON_DEMAND
std::FILE *cdbfile;
t_attr *attr;
char *val;
unsigned vlen = 1;
// eventlog(eventlog_level_trace, __FUNCTION__, "reading key '%s'", key);
if ((cdbfile = std::fopen(filename, "rb")) == NULL) {
// eventlog(eventlog_level_debug, __FUNCTION__, "unable to open file \"%s\" for reading ",filename);
return NULL;
}
if (cdb_seek(cdbfile, key, std::strlen(key), &vlen) <= 0) {
// eventlog(eventlog_level_debug, __FUNCTION__, "could not find key '%s'", key);
std:;std::fclose(cdbfile);
return NULL;
}
/* FIXME: use attr_* API */
attr = xmalloc(sizeof(t_attr));
attr->key = xstrdup(key);
val = xmalloc(vlen + 1);
cdb_bread(cdbfile, val, vlen);
std::fclose(cdbfile);
val[vlen] = '\0';
attr->val = val;
attr->dirty = 0;
// eventlog(eventlog_level_trace, __FUNCTION__, "read key '%s' value '%s'", attr->key, attr->val);
return attr;
#else
return NULL;
#endif
}
int
lookup_cdb(const char *mail)
{
int fd;
int flagwild;
int r;
if (!stralloc_copys(&lower, "!")) die_nomem();
if (!stralloc_cats(&lower, mail)) die_nomem();
if (!stralloc_0(&lower)) die_nomem();
case_lowerb(lower.s, lower.len);
fd = open_read("users/cdb");
if (fd == -1)
if (errno != error_noent)
die_cdb();
if (fd != -1) {
uint32 dlen;
unsigned int i;
cdb_init(&cdb, fd);
r = cdb_seek(&cdb, "", 0, &dlen);
if (r != 1)
die_cdb();
if (!stralloc_ready(&wildchars, (unsigned int) dlen))
die_nomem();
wildchars.len = dlen;
if (cdb_bread(&cdb, wildchars.s, wildchars.len) == -1)
die_cdb();
i = lower.len;
flagwild = 0;
do {
/* i > 0 */
if (!flagwild || i == 1 || byte_chr(wildchars.s,
wildchars.len, lower.s[i - 1]) < wildchars.len) {
r = cdb_seek(&cdb,lower.s,i,&dlen);
if (r == -1)
die_cdb();
if (r == 1) {
/* OK */
if (substdio_putflush(subfdout, "K",
1) == -1)
die_write();
cdb_free(&cdb);
close(fd);
return (1);
}
}
--i;
flagwild = 1;
} while (i);
close(fd);
}
return (0);
}
