volume_id: minix version 3 support

[elogind.git] / udevd.c

diff --git a/udevd.c b/udevd.c
index dccc745eff54eb4169c6381e9c2cb519d3804746..645b068c0eea99daf58958b789ec0e96e26fabfc 100644 (file)
--- a/udevd.c
+++ b/udevd.c
@@ -667,6 +667,7 @@ static void get_ctrl_msg(void)
        struct ucred *cred;
        char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
        int *intval;
+       char *pos;
 
        memset(&ctrl_msg, 0x00, sizeof(struct udevd_ctrl_msg));
        iov.iov_base = &ctrl_msg;
@@ -703,6 +704,21 @@ static void get_ctrl_msg(void)
        }
 
        switch (ctrl_msg.type) {
+       case UDEVD_CTRL_ENV:
+               pos = strchr(ctrl_msg.buf, '=');
+               if (pos == NULL) {
+                       err("wrong key format '%s'", ctrl_msg.buf);
+                       break;
+               }
+               pos[0] = '\0';
+               if (pos[1] == '\0') {
+                       info("udevd message (ENV) received, unset '%s'", ctrl_msg.buf);
+                       unsetenv(ctrl_msg.buf);
+               } else {
+                       info("udevd message (ENV) received, set '%s=%s'", ctrl_msg.buf, &pos[1]);
+                       setenv(ctrl_msg.buf, &pos[1], 1);
+               }
+               break;
        case UDEVD_CTRL_STOP_EXEC_QUEUE:
                info("udevd message (STOP_EXEC_QUEUE) received");
                stop_exec_q = 1;