nss_wrapper: add skeleton for module nwrap_backend.

Guenther

diff --git a/lib/nss_wrapper/nss_wrapper.c b/lib/nss_wrapper/nss_wrapper.c
index a2cd0ac52e5cd6b80125fd7e1682dadec46adf1b..862bb896d82c9d720f07e89536c29c1a7080bbd0 100644 (file)
--- a/lib/nss_wrapper/nss_wrapper.c
+++ b/lib/nss_wrapper/nss_wrapper.c
@@ -244,6 +244,43 @@ static int nwrap_files_getgrent_r(struct nwrap_backend *b,
                                  size_t buflen, struct group **grdstp);
 static void nwrap_files_endgrent(struct nwrap_backend *b);
 
+/* protoypes for module backend */
+
+static struct passwd *nwrap_module_getpwent(struct nwrap_backend *b);
+static int nwrap_module_getpwent_r(struct nwrap_backend *b,
+                                  struct passwd *pwdst, char *buf,
+                                  size_t buflen, struct passwd **pwdstp);
+static struct passwd *nwrap_module_getpwnam(struct nwrap_backend *b,
+                                           const char *name);
+static int nwrap_module_getpwnam_r(struct nwrap_backend *b,
+                                  const char *name, struct passwd *pwdst,
+                                  char *buf, size_t buflen, struct passwd **pwdstp);
+static struct passwd *nwrap_module_getpwuid(struct nwrap_backend *b,
+                                           uid_t uid);
+static int nwrap_module_getpwuid_r(struct nwrap_backend *b,
+                                  uid_t uid, struct passwd *pwdst,
+                                  char *buf, size_t buflen, struct passwd **pwdstp);
+static void nwrap_module_setpwent(struct nwrap_backend *b);
+static void nwrap_module_endpwent(struct nwrap_backend *b);
+static struct group *nwrap_module_getgrent(struct nwrap_backend *b);
+static int nwrap_module_getgrent_r(struct nwrap_backend *b,
+                                  struct group *grdst, char *buf,
+                                  size_t buflen, struct group **grdstp);
+static struct group *nwrap_module_getgrnam(struct nwrap_backend *b,
+                                          const char *name);
+static int nwrap_module_getgrnam_r(struct nwrap_backend *b,
+                                  const char *name, struct group *grdst,
+                                  char *buf, size_t buflen, struct group **grdstp);
+static struct group *nwrap_module_getgrgid(struct nwrap_backend *b,
+                                          gid_t gid);
+static int nwrap_module_getgrgid_r(struct nwrap_backend *b,
+                                  gid_t gid, struct group *grdst,
+                                  char *buf, size_t buflen, struct group **grdstp);
+static void nwrap_module_setgrent(struct nwrap_backend *b);
+static void nwrap_module_endgrent(struct nwrap_backend *b);
+static int nwrap_module_initgroups(struct nwrap_backend *b,
+                                  const char *user, gid_t group);
+
 struct nwrap_ops nwrap_files_ops = {
        .nw_getpwnam    = nwrap_files_getpwnam,
        .nw_getpwnam_r  = nwrap_files_getpwnam_r,
@@ -264,6 +301,26 @@ struct nwrap_ops nwrap_files_ops = {
        .nw_endgrent    = nwrap_files_endgrent,
 };
 
+struct nwrap_ops nwrap_module_ops = {
+       .nw_getpwnam    = nwrap_module_getpwnam,
+       .nw_getpwnam_r  = nwrap_module_getpwnam_r,
+       .nw_getpwuid    = nwrap_module_getpwuid,
+       .nw_getpwuid_r  = nwrap_module_getpwuid_r,
+       .nw_setpwent    = nwrap_module_setpwent,
+       .nw_getpwent    = nwrap_module_getpwent,
+       .nw_getpwent_r  = nwrap_module_getpwent_r,
+       .nw_endpwent    = nwrap_module_endpwent,
+       .nw_initgroups  = nwrap_module_initgroups,
+       .nw_getgrnam    = nwrap_module_getgrnam,
+       .nw_getgrnam_r  = nwrap_module_getgrnam_r,
+       .nw_getgrgid    = nwrap_module_getgrgid,
+       .nw_getgrgid_r  = nwrap_module_getgrgid_r,
+       .nw_setgrent    = nwrap_module_setgrent,
+       .nw_getgrent    = nwrap_module_getgrent,
+       .nw_getgrent_r  = nwrap_module_getgrent_r,
+       .nw_endgrent    = nwrap_module_endgrent,
+};
+
 struct nwrap_main {
        const char *nwrap_switch;
        int num_backends;
@@ -1314,6 +1371,108 @@ static void nwrap_files_endgrent(struct nwrap_backend *b)
        nwrap_gr_global.idx = 0;
 }
 
+/*
+ * module backend
+ */
+
+static struct passwd *nwrap_module_getpwnam(struct nwrap_backend *b,
+                                           const char *name)
+{
+       return NULL;
+}
+
+static int nwrap_module_getpwnam_r(struct nwrap_backend *b,
+                                  const char *name, struct passwd *pwdst,
+                                  char *buf, size_t buflen, struct passwd **pwdstp)
+{
+       return ENOENT;
+}
+
+static struct passwd *nwrap_module_getpwuid(struct nwrap_backend *b,
+                                           uid_t uid)
+{
+       return NULL;
+}
+
+static int nwrap_module_getpwuid_r(struct nwrap_backend *b,
+                                  uid_t uid, struct passwd *pwdst,
+                                  char *buf, size_t buflen, struct passwd **pwdstp)
+{
+       return ENOENT;
+}
+
+static void nwrap_module_setpwent(struct nwrap_backend *b)
+{
+}
+
+static struct passwd *nwrap_module_getpwent(struct nwrap_backend *b)
+{
+       return NULL;
+}
+
+static int nwrap_module_getpwent_r(struct nwrap_backend *b,
+                                  struct passwd *pwdst, char *buf,
+                                  size_t buflen, struct passwd **pwdstp)
+{
+       return ENOENT;
+}
+
+static void nwrap_module_endpwent(struct nwrap_backend *b)
+{
+}
+
+static int nwrap_module_initgroups(struct nwrap_backend *b,
+                                  const char *user, gid_t group)
+{
+       return -1;
+}
+
+static struct group *nwrap_module_getgrnam(struct nwrap_backend *b,
+                                          const char *name)
+{
+       return NULL;
+}
+
+static int nwrap_module_getgrnam_r(struct nwrap_backend *b,
+                                  const char *name, struct group *grdst,
+                                  char *buf, size_t buflen, struct group **grdstp)
+{
+       return ENOENT;
+}
+
+static struct group *nwrap_module_getgrgid(struct nwrap_backend *b,
+                                          gid_t gid)
+{
+       return NULL;
+}
+
+static int nwrap_module_getgrgid_r(struct nwrap_backend *b,
+                                  gid_t gid, struct group *grdst,
+                                  char *buf, size_t buflen, struct group **grdstp)
+{
+       return ENOENT;
+}
+
+static void nwrap_module_setgrent(struct nwrap_backend *b)
+{
+}
+
+static struct group *nwrap_module_getgrent(struct nwrap_backend *b)
+{
+       return NULL;
+}
+
+static int nwrap_module_getgrent_r(struct nwrap_backend *b,
+                                  struct group *grdst, char *buf,
+                                  size_t buflen, struct group **grdstp)
+{
+       return 0;
+}
+
+static void nwrap_module_endgrent(struct nwrap_backend *b)
+{
+}
+
 /*
  * PUBLIC interface
  */