lede/package/lean/vsftpd-alt/patches/100-add-uci-auth-support.patch
2021-08-23 15:08:39 +08:00

128 lines
3.4 KiB
Diff

--- a/parseconf.c
+++ b/parseconf.c
@@ -182,6 +182,7 @@ parseconf_str_array[] =
{ "dsa_private_key_file", &tunable_dsa_private_key_file },
{ "ca_certs_file", &tunable_ca_certs_file },
{ "ssl_sni_hostname", &tunable_ssl_sni_hostname },
+ { "uci_config_name", &tunable_uci_config_name },
{ "cmds_denied", &tunable_cmds_denied },
{ 0, 0 }
};
--- a/sysdeputil.c
+++ b/sysdeputil.c
@@ -180,6 +180,8 @@
#include <pwd.h>
#include <unistd.h>
#include <crypt.h>
+/* Include uci headers */
+#include <uci.h>
#endif
/* Prefer libcap based capabilities over raw syscall capabilities */
@@ -242,14 +244,24 @@ void vsf_insert_uwtmp(const struct mystr* p_user_str,
void vsf_remove_uwtmp(void);
#ifndef VSF_SYSDEP_HAVE_PAM
+static int
+vsf_sysdep_check_auth_uci(struct mystr* p_user_str,
+ const struct mystr* p_pass_str);
+
int
vsf_sysdep_check_auth(struct mystr* p_user_str,
const struct mystr* p_pass_str,
const struct mystr* p_remote_host)
{
const char* p_crypted;
- const struct passwd* p_pwd = getpwnam(str_getbuf(p_user_str));
+ const struct passwd* p_pwd;
(void) p_remote_host;
+
+ /* Try UCI first */
+ if (vsf_sysdep_check_auth_uci(p_user_str, p_pass_str))
+ return 1;
+
+ p_pwd = getpwnam(str_getbuf(p_user_str));
if (p_pwd == NULL)
{
return 0;
@@ -305,6 +317,51 @@ vsf_sysdep_check_auth(struct mystr* p_user_str,
return 0;
}
+static int
+vsf_sysdep_check_auth_uci(struct mystr* p_user_str,
+ const struct mystr* p_pass_str)
+{
+ struct uci_context *uctx;
+ struct uci_package *pkg = NULL;
+ struct uci_element *e = NULL;
+ struct uci_section *s;
+ const char *user, *passwd;
+ int ret = 0;
+
+ if (!tunable_uci_config_name)
+ return 0;
+
+ uctx = uci_alloc_context();
+ if (!uctx)
+ return 0;
+
+ if (uci_load(uctx, tunable_uci_config_name, &pkg) != UCI_OK)
+ goto cleanup;
+
+ uci_foreach_element(&pkg->sections, e)
+ {
+ s = uci_to_section(e);
+ if (!(user = uci_lookup_option_string(uctx, s, "username")))
+ continue;
+ if (vsf_sysutil_strcmp(user, str_getbuf(p_user_str)))
+ continue;
+ if (!(passwd = uci_lookup_option_string(uctx, s, "password")))
+ continue;
+ if (!vsf_sysutil_strcmp(passwd, str_getbuf(p_pass_str)))
+ {
+ ret = 1;
+ break;
+ }
+ }
+
+cleanup:
+ if (pkg)
+ uci_unload(uctx, pkg);
+ uci_free_context(uctx);
+
+ return ret;
+}
+
#else /* VSF_SYSDEP_HAVE_PAM */
#if (defined(__sun) || defined(__hpux)) && \
--- a/tunables.c
+++ b/tunables.c
@@ -146,6 +146,7 @@ const char* tunable_rsa_private_key_file;
const char* tunable_dsa_private_key_file;
const char* tunable_ca_certs_file;
const char* tunable_ssl_sni_hostname;
+const char* tunable_uci_config_name;
static void install_str_setting(const char* p_value, const char** p_storage);
@@ -296,6 +297,7 @@ tunables_load_defaults()
install_str_setting(0, &tunable_dsa_private_key_file);
install_str_setting(0, &tunable_ca_certs_file);
install_str_setting(0, &tunable_ssl_sni_hostname);
+ install_str_setting(0, &tunable_uci_config_name);
}
void
--- a/tunables.h
+++ b/tunables.h
@@ -148,6 +148,7 @@ extern const char* tunable_rsa_private_key_file;
extern const char* tunable_dsa_private_key_file;
extern const char* tunable_ca_certs_file;
extern const char* tunable_ssl_sni_hostname;
+extern const char* tunable_uci_config_name;
extern const char* tunable_cmds_denied;
#endif /* VSF_TUNABLES_H */