static int
table_passwd_lookup(int service, struct dict *params, const char *key, char *dst, size_t sz)
{
int r;
struct passwd pw;
char *line;
char tmp[LINE_MAX];
line = dict_get(passwd, key);
if (line == NULL)
return 0;
(void)strlcpy(tmp, line, sizeof tmp);
if (! parse_passwd_entry(&pw, tmp)) {
log_warnx("warn: table-passwd: invalid entry");
return -1;
}
r = 1;
switch (service) {
case K_CREDENTIALS:
if (snprintf(dst, sz, "%s:%s",
pw.pw_name, pw.pw_passwd) >= (ssize_t)sz) {
log_warnx("warn: table-passwd: result too large");
r = -1;
}
break;
case K_USERINFO:
if (snprintf(dst, sz, "%d:%d:%s",
pw.pw_uid, pw.pw_gid, pw.pw_dir)
>= (ssize_t)sz) {
log_warnx("warn: table-passwd: result too large");
r = -1;
}
break;
default:
log_warnx("warn: table-passwd: unknown service %d",
service);
r = -1;
}
return (r);
}
static int
table_passwd_update(void)
{
FILE *fp;
char *buf, *lbuf = NULL;
size_t len;
char *line;
struct passwd pw;
struct dict *npasswd;
/* Parse configuration */
fp = fopen(config, "r");
if (fp == NULL)
return (0);
npasswd = calloc(1, sizeof *passwd);
if (npasswd == NULL)
goto err;
dict_init(npasswd);
while ((buf = fgetln(fp, &len))) {
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
else {
/* EOF without EOL, copy and add the NUL */
if ((lbuf = malloc(len + 1)) == NULL)
err(1, NULL);
memcpy(lbuf, buf, len);
lbuf[len] = '\0';
buf = lbuf;
}
if (! parse_passwd_entry(&pw, buf)) {
log_warnx("warn: table-passwd: invalid entry");
goto err;
}
if ((line = strdup(buf)) == NULL)
err(1, NULL);
dict_set(npasswd, pw.pw_name, line);
}
free(lbuf);
fclose(fp);
/* swap passwd table and release old one*/
if (passwd)
while (dict_poproot(passwd, (void**)&buf))
free(buf);
passwd = npasswd;
return (1);
err:
if (fp)
fclose(fp);
free(lbuf);
/* release passwd table */
if (npasswd) {
while (dict_poproot(npasswd, (void**)&buf))
free(buf);
free(npasswd);
}
return (0);
}
static int
table_passwd_update(void)
{
FILE *fp;
char *buf, *lbuf = NULL;
char tmp[LINE_MAX];
size_t len;
char *line;
struct passwd pw;
struct dict *npasswd;
char *skip;
/* Parse configuration */
fp = fopen(config, "r");
if (fp == NULL)
return (0);
npasswd = calloc(1, sizeof *passwd);
if (npasswd == NULL)
goto err;
dict_init(npasswd);
while ((buf = fgetln(fp, &len))) {
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
else {
/* EOF without EOL, copy and add the NUL */
if ((lbuf = malloc(len + 1)) == NULL)
err(1, NULL);
memcpy(lbuf, buf, len);
lbuf[len] = '\0';
buf = lbuf;
}
/* skip commented entries */
for (skip = buf; *skip; ++skip)
if (*skip == '#') {
*skip = '\0';
break;
}
/* skip empty lines */
if (strlen(buf) == 0)
continue;
if (strlcpy(tmp, buf, sizeof tmp) >= sizeof tmp) {
log_warnx("warn: table-passwd: line too long");
goto err;
}
if (! parse_passwd_entry(&pw, tmp)) {
log_warnx("warn: table-passwd: invalid entry");
goto err;
}
if ((line = strdup(buf)) == NULL)
err(1, NULL);
dict_set(npasswd, pw.pw_name, line);
}
free(lbuf);
fclose(fp);
/* swap passwd table and release old one*/
if (passwd)
while (dict_poproot(passwd, (void**)&buf))
free(buf);
passwd = npasswd;
return (1);
err:
if (fp)
fclose(fp);
free(lbuf);
/* release passwd table */
if (npasswd) {
while (dict_poproot(npasswd, (void**)&buf))
free(buf);
free(npasswd);
}
return (0);
}
