#include "daemon.h"
#include "string.h"
#include "ipc.h"
+#include "fd.h"
+#include "crypt.h"
/** define the array of error lists needed by para_server */
INIT_SERVER_ERRLISTS;
* It also contains the options for all audio file selectors and all supported
* senders.
*/
-struct gengetopt_args_info conf;
+struct server_args_info conf;
char *user_list = NULL;
+struct list_head _user_list;
extern void dccp_send_init(struct sender *);
extern void http_send_init(struct sender *);
extern void ortp_send_init(struct sender *);
-extern struct audio_format afl[];
+/* TODO: This is better handled by autoconf */
/** the list of supported audio file selectors */
-struct audio_file_selector dblist[] = {
+struct audio_file_selector selectors[] = {
{
.name = "random",
.init = random_selector_init,
* \param ll the log level
* \param fmt the format string describing the log message
*/
-void para_log(int ll, char* fmt,...)
+void para_log(int ll, const char* fmt,...)
{
va_list argp;
FILE *outfd;
if (ll < conf.loglevel_arg)
return;
- if (!logfile) {
- if (ll < WARNING)
- outfd = stdout;
- else
- outfd = stderr;
- } else
- outfd = logfile;
- if (conf.daemon_given && !logfile)
- return;
+ outfd = logfile? logfile : stderr;
time(&t1);
tm = localtime(&t1);
strftime(str, MAXLINE, "%b %d %H:%M:%S", tm);
}
if (!ret) {
int tmp = conf.daemon_given;
- cmdline_parser_configfile(cf, &conf, override, 0, 0);
+ server_cmdline_parser_configfile(cf, &conf, override, 0, 0);
conf.daemon_given = tmp;
}
/* logfile */
int ret = 0;
signal_pipe = para_signal_init();
-// fcntl(signal_pipe, F_SETFL, O_NONBLOCK);
PARA_NOTICE_LOG("%s", "setting up signal handlers\n");
ret += para_install_sighandler(SIGINT);
ret += para_install_sighandler(SIGTERM);
}
}
+/*
+ * lookup user in user_list file. Fills in a user struct containing
+ * filename of the user's public key as well as the permissions of that user.
+ * Returns 1 on success, 0 if user does not exist and < 0 on errors.
+ */
+static void populate_user_list(void) {
+ FILE *file_ptr = NULL;
+ char *char_ptr;
+ char line[MAXLINE];
+ /* keyword, user, key, perms */
+ char w[MAXLINE], n[MAXLINE], k[MAXLINE], p[MAXLINE], tmp[4][MAXLINE];
+ int num, ret;
+
+ file_ptr = fopen(user_list, "r");
+ ret = -E_USERLIST;
+ if (!file_ptr)
+ goto out;
+ for (;;) {
+ struct _user *u;
+ ret = para_fgets(line, MAXLINE, file_ptr);
+ if (ret < 0)
+ PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+ if (ret <= 0)
+ break;
+ if (sscanf(line,"%200s %200s %200s %200s", w, n, k, p) < 3)
+ continue;
+ if (strcmp(w, "user"))
+ continue;
+ PARA_DEBUG_LOG("found entry for %s\n", n);
+ u = para_malloc(sizeof(struct _user));
+ u->name = para_strdup(n);
+ u->rsa = para_malloc(sizeof(RSA));
+ ret = get_rsa_key(k, &u->rsa, 0 /* public */);
+ if (ret < 0)
+ break;
+ u->perms = 0;
+ char_ptr = p;
+ num = sscanf(char_ptr, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]",
+ tmp[0], tmp[1], tmp[2], tmp[3]);
+ PARA_DEBUG_LOG("found %i perm entries\n", num);
+ u->perms = 0;
+ while (num > 0) {
+ num--;
+ if (!strcmp(tmp[num], "AFS_READ"))
+ u->perms |= AFS_READ;
+ else if (!strcmp(tmp[num], "AFS_WRITE"))
+ u->perms |= AFS_WRITE;
+ else if (!strcmp(tmp[num], "DB_READ"))
+ u->perms |= DB_READ;
+ else if (!strcmp(tmp[num], "DB_WRITE"))
+ u->perms |= DB_WRITE;
+ else /* unknown permission */
+ PARA_WARNING_LOG("unknown permission: %s\n",
+ tmp[num]);
+ }
+ para_list_add(&u->node, &_user_list);
+ }
+out:
+ if (file_ptr)
+ fclose(file_ptr);
+ if (ret >= 0)
+ return;
+ PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret));
+ exit(EXIT_FAILURE);
+}
+
+static void init_user_list(void)
+{
+ struct _user *u, *tmp;
+ static int initialized;
+
+ if (initialized) {
+ list_for_each_entry_safe(u, tmp, &_user_list, node) {
+ list_del(&u->node);
+ free(u->name);
+ free(u->rsa);
+ free(u);
+ }
+ } else
+ INIT_LIST_HEAD(&_user_list);
+ initialized = 1;
+ populate_user_list();
+}
+
+int _get_user(struct _user *user)
+{
+ struct _user *u;
+ list_for_each_entry(u, &_user_list, node) {
+ if (strcmp(u->name, user->name))
+ continue;
+ *user = *u;
+ return 1;
+ }
+ return 0;
+}
+
static void init_selector(void)
{
int i, ret;
mmd->selector_change = -1; /* no change nec., set to new num by com_chs */
if (!conf.selector_given)
goto random;
- for (i = 0; dblist[i].name; i++) {
- if (strcmp(dblist[i].name, conf.selector_arg))
+ for (i = 0; selectors[i].name; i++) {
+ if (strcmp(selectors[i].name, conf.selector_arg))
continue;
PARA_NOTICE_LOG("initializing %s audio file selector\n",
- dblist[i].name);
- ret = dblist[i].init(&dblist[i]);
+ selectors[i].name);
+ ret = selectors[i].init(&selectors[i]);
if (ret < 0) {
PARA_WARNING_LOG("%s", PARA_STRERROR(-ret));
break;
PARA_WARNING_LOG("%s", "falling back to the random selector\n");
random:
mmd->selector_num = 0;
- dblist[0].init(&dblist[0]); /* always successful */
+ selectors[0].init(&selectors[0]); /* always successful */
}
static unsigned init_network(void)
{
- int sockfd = init_tcp_socket(conf.port_arg);
+ int fd, ret = init_tcp_socket(conf.port_arg);
- if (sockfd < 0)
- exit(EXIT_FAILURE);
- return sockfd;
+ if (ret < 0)
+ goto err;
+ fd = ret;
+ ret = mark_fd_nonblock(fd);
+ if (ret < 0)
+ goto err;
+ return fd;
+err:
+ PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret));
+ exit(EXIT_FAILURE);
}
static void init_random_seed(void)
init_random_seed();
/* parse command line options */
- cmdline_parser(argc, argv, &conf);
- para_drop_privileges(conf.user_arg);
+ server_cmdline_parser(argc, argv, &conf);
+ para_drop_privileges(conf.user_arg, conf.group_arg);
/* parse config file, open log and set defaults */
parse_config(0);
log_welcome("para_server", conf.loglevel_arg);
shm_init(); /* init mmd struct */
server_uptime(UPTIME_SET); /* reset server uptime */
+ init_user_list();
/* become daemon */
if (conf.daemon_given)
daemon_init();
/* init network socket */
PARA_NOTICE_LOG("%s", "initializing tcp command socket\n");
sockfd = init_network();
- if (conf.autoplay_given) {
- mmd->afs_status_flags |= AFS_PLAYING;
- mmd->new_afs_status_flags |= AFS_PLAYING;
- }
PARA_NOTICE_LOG("%s", "init complete\n");
return sockfd;
}
{
int ret, old = mmd->selector_num, new = mmd->selector_change;
- dblist[old].shutdown();
- ret = dblist[new].init(&dblist[new]);
+ selectors[old].shutdown();
+ ret = selectors[new].init(&selectors[new]);
mmd->selector_change = -1; /* reset */
if (ret >= 0) {
mmd->selector_num = new;
}
/* init failed */
PARA_ERROR_LOG("%s -- switching to the random selector\n", PARA_STRERROR(-ret));
- dblist[0].init(&dblist[0]);
+ selectors[0].init(&selectors[0]);
mmd->selector_num = 0;
}
/* listen on sock_fd, new connection on new_fd */
int sockfd, new_fd;
struct sockaddr_in their_addr;
- int err, i, max_fileno, ret;
+ int i, max_fileno, ret;
pid_t chld_pid;
fd_set rfds, wfds;
struct timeval *timeout;
valid_fd_012();
sockfd = do_inits(argc, argv);
repeat:
- /* check socket and signal pipe in any case */
FD_ZERO(&rfds);
FD_ZERO(&wfds);
- FD_SET(sockfd, &rfds);
- max_fileno = sockfd;
- FD_SET(signal_pipe, &rfds);
- max_fileno = MAX(max_fileno, signal_pipe);
-
+ max_fileno = -1;
+ /* check socket and signal pipe in any case */
+ para_fd_set(sockfd, &rfds, &max_fileno);
+ para_fd_set(signal_pipe, &rfds, &max_fileno);
timeout = afs_preselect();
status_refresh();
for (i = 0; senders[i].name; i++) {
continue;
if (!senders[i].pre_select)
continue;
- senders[i].pre_select(mmd->audio_format >= 0?
- &afl[mmd->audio_format] : NULL,
- &max_fileno,
- &rfds, &wfds);
+ senders[i].pre_select( &max_fileno, &rfds, &wfds);
}
- if (dblist[mmd->selector_num].pre_select) {
- ret = dblist[mmd->selector_num].pre_select(&rfds, &wfds);
- max_fileno = MAX(max_fileno, ret);
+ if (selectors[mmd->selector_num].pre_select) {
+ ret = selectors[mmd->selector_num].pre_select(&rfds, &wfds);
+ max_fileno = PARA_MAX(max_fileno, ret);
}
mmd_unlock();
-// PARA_DEBUG_LOG("%s: select (max = %i)\n", __func__, max_fileno);
- ret = select(max_fileno + 1, &rfds, &wfds, NULL, timeout);
- err = errno;
- //PARA_DEBUG_LOG("%s: select returned %i\n", __func__, ret);
+ ret = para_select(max_fileno + 1, &rfds, &wfds, timeout);
mmd_lock();
if (mmd->selector_change >= 0)
change_selector();
- if (dblist[mmd->selector_num].post_select)
- dblist[mmd->selector_num].post_select(&rfds, &wfds);
- if (ret < 0 && err == EINTR)
- goto repeat;
- if (ret < 0) {
- PARA_CRIT_LOG("select error (%s)\n", strerror(err));
+ if (selectors[mmd->selector_num].post_select)
+ selectors[mmd->selector_num].post_select(&rfds, &wfds);
+ if (ret < 0)
goto repeat;
- }
for (i = 0; senders[i].name; i++) {
if (senders[i].status != SENDER_ON)
continue;
if (!senders[i].post_select)
continue;
- senders[i].post_select(mmd->audio_format >= 0?
- &afl[mmd->audio_format] : NULL,
- &rfds, &wfds);
- }
- if (!ret) {
- afs_send_chunk();
- status_refresh();
+ senders[i].post_select(&rfds, &wfds);
}
+ afs_send_chunk();
+ status_refresh();
if (FD_ISSET(signal_pipe, &rfds)) {
int sig;
sig = para_next_signal();
case SIGTERM:
PARA_EMERG_LOG("terminating on signal %d\n", sig);
kill(0, SIGTERM);
- dblist[mmd->selector_num].shutdown();
+ selectors[mmd->selector_num].shutdown();
mutex_destroy(mmd_mutex);
shm_detach(mmd);
shm_destroy(mmd_shm_id);
projects / paraslash.git / blobdiff