-/**
- * permission flags that can be set individually for any server command
- *
- * - DB_READ: command reads from the database
- * - DB_WRITE: command changes the contents of the database
- * - AFS_READ: command reads information about the current audio stream
- * - AFS_WRITE: command changes the current audio stream
- */
-enum {DB_READ = 1, DB_WRITE = 2, AFS_READ = 4, AFS_WRITE = 8};
-
-/**
- * data needed to authenticate the user
- */
-struct user{
- /** the username */
- char name[MAXLINE];
- /** full path to the public RSA key */
- char pubkey_file[_POSIX_PATH_MAX];
- /** the privileges of this user */
- unsigned int perms;
-};
-
-struct _user {
- /** the position of this user in the list of users */
- struct list_head node;
- /** the username */
- char *name;
- /** the public RSA key */
- RSA *rsa;
- /** the privileges that this user has */
- unsigned int perms;
-};
-
-/**
- * defines one command of para_server
- */
-struct server_command {
-/** the name of the command */
- const char *name;
-/** pointer to the function that handles the command */
- int (*handler)(int, int, char **);
-/** the privileges a user must have to execute this command */
- unsigned int perms;
-/** one-line description of the command */
- const char *description;
-/** summary of the command line options */
- const char *synopsis;
-/** the long help text */
- const char *help;
-};
-
-/** holds the arguments for the para_server's sender command */
-struct sender_command_data{
-/** greater than 0 indicates that a sender cmd is already queued */