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authorAris Adamantiadis <aris@0xbadc0de.be>2013-05-21 15:27:20 +0200
committerAndreas Schneider <asn@cryptomilk.org>2013-07-13 14:59:21 +0200
commitdb20a22e51d578de1bb3b9edd240296091c3dc94 (patch)
tree2c6a8087828aec90f8f3572fd32bcf56cb7cb300 /include/libssh
parent560b5087714e793ccb8a2776e2ec1fdbd8b8ee3f (diff)
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server: added 2 missing channel callbacks
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Diffstat (limited to 'include/libssh')
-rw-r--r--include/libssh/callbacks.h41
1 files changed, 40 insertions, 1 deletions
diff --git a/include/libssh/callbacks.h b/include/libssh/callbacks.h
index 8804370b..a838bdce 100644
--- a/include/libssh/callbacks.h
+++ b/include/libssh/callbacks.h
@@ -540,6 +540,37 @@ typedef int (*ssh_channel_pty_window_change_callback) (ssh_session session,
int pxwidth, int pwheight,
void *userdata);
+/**
+ * @brief SSH channel Exec request from a client.
+ * @param channel the channel
+ * @param command the shell command to be executed
+ * @param userdata Userdata to be passed to the callback function.
+ * @returns 0 if the exec request is accepted
+ * @returns 1 if the request is denied
+ */
+typedef int (*ssh_channel_exec_request_callback) (ssh_session session,
+ ssh_channel channel,
+ const char *command,
+ void *userdata);
+
+/**
+ * @brief SSH channel environment request from a client.
+ * @param channel the channel
+ * @param env_name name of the environment value to be set
+ * @param env_value value of the environment value to be set
+ * @param userdata Userdata to be passed to the callback function.
+ * @returns 0 if the env request is accepted
+ * @returns 1 if the request is denied
+ * @warning some environment variables can be dangerous if changed (e.g.
+ * LD_PRELOAD) and should not be fulfilled.
+ */
+typedef int (*ssh_channel_env_request_callback) (ssh_session session,
+ ssh_channel channel,
+ const char *env_name,
+ const char *env_value,
+ void *userdata);
+
+
struct ssh_channel_callbacks_struct {
/** DON'T SET THIS use ssh_callbacks_init() instead. */
size_t size;
@@ -591,8 +622,16 @@ struct ssh_channel_callbacks_struct {
* window change.
*/
ssh_channel_pty_window_change_callback channel_pty_window_change_function;
-
+ /** This function will be called when a client requests a
+ * command execution.
+ */
+ ssh_channel_exec_request_callback channel_exec_request_function;
+ /** This function will be called when a client requests an environment
+ * variable to be set.
+ */
+ ssh_channel_env_request_callback channel_env_request_function;
};
+
typedef struct ssh_channel_callbacks_struct *ssh_channel_callbacks;
/**