dovecot-2.0: Added restrict_access_get_env()

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/a8a8686e6979
changeset: 11284:a8a8686e6979
user:      Timo Sirainen <tss at iki.fi>
date:      Wed May 12 16:39:03 2010 +0200
description:
Added restrict_access_get_env()

diffstat:

 src/lib/restrict-access.c |  60 ++++++++++++++++--------------
 src/lib/restrict-access.h |   2 +
 2 files changed, 34 insertions(+), 28 deletions(-)

diffs (86 lines):

diff -r 6599d3d52c76 -r a8a8686e6979 src/lib/restrict-access.c
--- a/src/lib/restrict-access.c	Wed May 12 16:07:40 2010 +0200
+++ b/src/lib/restrict-access.c	Wed May 12 16:39:03 2010 +0200
@@ -376,38 +376,42 @@
 	return str == NULL || *str == '\0' ? NULL : str;
 }
 
+void restrict_access_get_env(struct restrict_access_settings *set_r)
+{
+	const char *value;
+
+	restrict_access_init(set_r);
+	if ((value = getenv("RESTRICT_SETUID")) != NULL) {
+		if (str_to_uid(value, &set_r->uid) < 0)
+			i_fatal("Invalid uid: %s", value);
+	}
+	if ((value = getenv("RESTRICT_SETGID")) != NULL) {
+		if (str_to_gid(value, &set_r->gid) < 0)
+			i_fatal("Invalid gid: %s", value);
+	}
+	if ((value = getenv("RESTRICT_SETGID_PRIV")) != NULL) {
+		if (str_to_gid(value, &set_r->privileged_gid) < 0)
+			i_fatal("Invalid privileged_gid: %s", value);
+	}
+	if ((value = getenv("RESTRICT_GID_FIRST")) != NULL) {
+		if (str_to_gid(value, &set_r->first_valid_gid) < 0)
+			i_fatal("Invalid first_valid_gid: %s", value);
+	}
+	if ((value = getenv("RESTRICT_GID_LAST")) != NULL) {
+		if (str_to_gid(value, &set_r->last_valid_gid) < 0)
+			i_fatal("Invalid last_value_gid: %s", value);
+	}
+
+	set_r->extra_groups = null_if_empty(getenv("RESTRICT_SETEXTRAGROUPS"));
+	set_r->system_groups_user = null_if_empty(getenv("RESTRICT_USER"));
+	set_r->chroot_dir = null_if_empty(getenv("RESTRICT_CHROOT"));
+}
+
 void restrict_access_by_env(const char *home, bool disallow_root)
 {
 	struct restrict_access_settings set;
-	const char *value;
 
-	restrict_access_init(&set);
-
-	if ((value = getenv("RESTRICT_SETUID")) != NULL) {
-		if (str_to_uid(value, &set.uid) < 0)
-			i_fatal("Invalid uid: %s", value);
-	}
-	if ((value = getenv("RESTRICT_SETGID")) != NULL) {
-		if (str_to_gid(value, &set.gid) < 0)
-			i_fatal("Invalid gid: %s", value);
-	}
-	if ((value = getenv("RESTRICT_SETGID_PRIV")) != NULL) {
-		if (str_to_gid(value, &set.privileged_gid) < 0)
-			i_fatal("Invalid privileged_gid: %s", value);
-	}
-	if ((value = getenv("RESTRICT_GID_FIRST")) != NULL) {
-		if (str_to_gid(value, &set.first_valid_gid) < 0)
-			i_fatal("Invalid first_valid_gid: %s", value);
-	}
-	if ((value = getenv("RESTRICT_GID_LAST")) != NULL) {
-		if (str_to_gid(value, &set.last_valid_gid) < 0)
-			i_fatal("Invalid last_value_gid: %s", value);
-	}
-
-	set.extra_groups = null_if_empty(getenv("RESTRICT_SETEXTRAGROUPS"));
-	set.system_groups_user = null_if_empty(getenv("RESTRICT_USER"));
-	set.chroot_dir = null_if_empty(getenv("RESTRICT_CHROOT"));
-
+	restrict_access_get_env(&set);
 	restrict_access(&set, home, disallow_root);
 
 	/* clear the environment, so we don't fail if we get back here */
diff -r 6599d3d52c76 -r a8a8686e6979 src/lib/restrict-access.h
--- a/src/lib/restrict-access.h	Wed May 12 16:07:40 2010 +0200
+++ b/src/lib/restrict-access.h	Wed May 12 16:39:03 2010 +0200
@@ -32,6 +32,8 @@
 /* Set environment variables so they can be read with
    restrict_access_by_env(). */
 void restrict_access_set_env(const struct restrict_access_settings *set);
+/* Read restrict_access_set_env() environments back into struct. */
+void restrict_access_get_env(struct restrict_access_settings *set_r);
 /* Read restrictions from environment and call restrict_access().
    If disallow_roots is TRUE, we'll kill ourself if we didn't have the
    environment settings. */