00001 #ifndef VSF_PRIVSOCK_H 00002 #define VSF_PRIVSOCK_H 00003 00004 struct mystr; 00005 struct vsf_session; 00006 00007 /* priv_sock_init() 00008 * PURPOSE 00009 * Initialize the priv_sock system, by opening the communications sockets. 00010 * PARAMETERS 00011 * p_sess - the current session object 00012 */ 00013 void priv_sock_init(struct vsf_session* p_sess); 00014 00015 /* priv_sock_send_cmd() 00016 * PURPOSE 00017 * Sends a command, typically to the privileged side of the channel. 00018 * PARAMETERS 00019 * fd - the fd on which to send the command 00020 * cmd - the command to send 00021 */ 00022 void priv_sock_send_cmd(int fd, char cmd); 00023 00024 /* priv_sock_send_str() 00025 * PURPOSE 00026 * Sends a string to the other side of the channel. 00027 * PARAMETERS 00028 * fd - the fd on which to send the string 00029 * p_str - the string to send 00030 */ 00031 void priv_sock_send_str(int fd, const struct mystr* p_str); 00032 00033 /* priv_sock_get_result() 00034 * PURPOSE 00035 * Receives a response, typically from the privileged side of the channel. 00036 * PARAMETERS 00037 * fd - the fd on which to receive the response 00038 * RETURNS 00039 * The response code. 00040 */ 00041 char priv_sock_get_result(int fd); 00042 00043 /* priv_sock_get_cmd() 00044 * PURPOSE 00045 * Receives a command, typically on the privileged side of the channel. 00046 * PARAMETERS 00047 * fd - the fd on which to receive the command. 00048 * RETURNS 00049 * The command that was sent. 00050 */ 00051 char priv_sock_get_cmd(int fd); 00052 00053 /* priv_sock_get_str() 00054 * PURPOSE 00055 * Receives a string from the other side of the channel. 00056 * PARAMETERS 00057 * fd - the fd on which to receive the string 00058 * p_dest - where to copy the received string 00059 */ 00060 void priv_sock_get_str(int fd, struct mystr* p_dest); 00061 00062 /* priv_sock_send_result() 00063 * PURPOSE 00064 * Sends a command result, typically to the unprivileged side of the channel. 00065 * PARAMETERS 00066 * fd - the fd on which to send the result 00067 * res - the result to send 00068 */ 00069 void priv_sock_send_result(int fd, char res); 00070 00071 /* priv_sock_send_fd() 00072 * PURPOSE 00073 * Sends a file descriptor to the other side of the channel. 00074 * PARAMETERS 00075 * fd - the fd on which to send the descriptor 00076 * send_fd - the descriptor to send 00077 */ 00078 void priv_sock_send_fd(int fd, int send_fd); 00079 00080 /* priv_sock_recv_fd() 00081 * PURPOSE 00082 * Receives a file descriptor from the other side of the channel. 00083 * PARAMETERS 00084 * fd - the fd on which to receive the descriptor 00085 * RETURNS 00086 * The received file descriptor 00087 */ 00088 int priv_sock_recv_fd(int fd); 00089 00090 /* priv_sock_send_int() 00091 * PURPOSE 00092 * Sends an integer to the other side of the channel. 00093 * PARAMETERS 00094 * fd - the fd on which to send the integer 00095 * the_int - the integer to send 00096 */ 00097 void priv_sock_send_int(int fd, int the_int); 00098 00099 /* priv_sock_get_int() 00100 * PURPOSE 00101 * Receives an integer from the other side of the channel. 00102 * PARAMETERS 00103 * fd - the fd on which to receive the integer 00104 * RETURNS 00105 * The integer that was sent. 00106 */ 00107 int priv_sock_get_int(int fd); 00108 00109 #define PRIV_SOCK_LOGIN 1 00110 #define PRIV_SOCK_CHOWN 2 00111 #define PRIV_SOCK_GET_DATA_SOCK 3 00112 #define PRIV_SOCK_GET_USER_CMD 4 00113 #define PRIV_SOCK_WRITE_USER_RESP 5 00114 00115 #define PRIV_SOCK_RESULT_OK 1 00116 #define PRIV_SOCK_RESULT_BAD 2 00117 00118 #endif /* VSF_PRIVSOCK_H */ 00119
1.4.7