* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file command.c does client authentication and executes server commands */
+/** \file command.c Client authentication and server commands. */
-#include <sys/time.h> /* gettimeofday */
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <openssl/rc4.h>
+
+#include "para.h"
+#include "error.h"
#include "server.cmdline.h"
+#include "string.h"
+#include "afh.h"
#include "afs.h"
#include "server.h"
#include "vss.h"
#include "send.h"
#include "rc4.h"
-#include <openssl/rc4.h>
-#include "error.h"
#include "net.h"
#include "daemon.h"
-#include "string.h"
#include "fd.h"
+#include "list.h"
#include "user_list.h"
#include "server_command_list.h"
+#include "afs_command_list.h"
-/** commands including options must be shorter than this */
-#define MAX_COMMAND_LEN 4096
+/** Commands including options must be shorter than this. */
+#define MAX_COMMAND_LEN 32768
static RC4_KEY rc4_recv_key;
static RC4_KEY rc4_send_key;
static unsigned char rc4_buf[2 * RC4_KEY_LEN];
-extern const char *status_item_list[NUM_STAT_ITEMS];
extern struct misc_meta_data *mmd;
-extern struct audio_file_selector selectors[];
extern struct sender senders[];
static void dummy(__a_unused int s)
return msg;
}
-/*
- * compute status bar string. Never returns NULL
- */
-static char *get_sb_string(struct misc_meta_data *nmmd)
-{
- char *base, *ret;
- long long unsigned secs = 0, rsecs = 0, percent = 0;
-
- base = para_basename(nmmd->filename);
- if (!base)
- return para_strdup("");
- if (!base[0])
- return base;
- if (nmmd->afi.chunks_total) {
- secs = (long long) nmmd->afi.seconds_total * nmmd->chunks_sent
- / nmmd->afi.chunks_total;
- rsecs = (long long) nmmd->afi.seconds_total *
- (nmmd->afi.chunks_total - nmmd->chunks_sent)
- / nmmd->afi.chunks_total;
- percent = 100 * ((nmmd->chunks_sent + 5) / 10)
- / ((nmmd->afi.chunks_total + 5) / 10);
- }
- ret = make_message("%llu:%02llu [%llu:%02llu] (%llu%%) %s",
- secs / 60, secs % 60,
- rsecs / 60, rsecs % 60,
- percent,
- base
- );
- free(base);
- return ret;
-}
-
static char *get_status(struct misc_meta_data *nmmd)
{
- char *bar, *ret, mtime[30] = "";
+ char *ret, mtime[30] = "";
char *status, *flags; /* vss status info */
char *ut = uptime_str();
long offset = (nmmd->offset + 500) / 1000;
struct timeval now;
struct tm mtime_tm;
- if (nmmd->audio_format >= 0) {
- localtime_r(&nmmd->mtime, &mtime_tm);
- strftime(mtime, 29, "%a %b %d %Y", &mtime_tm);
- }
/* report real status */
status = vss_status_tohuman(nmmd->vss_status_flags);
flags = vss_get_status_flags(nmmd->vss_status_flags);
- bar = para_basename(nmmd->filename);
+ if (nmmd->size) { /* parent currently has an audio file open */
+ localtime_r(&nmmd->mtime, &mtime_tm);
+ strftime(mtime, 29, "%a %b %d %Y", &mtime_tm);
+ }
gettimeofday(&now, NULL);
ret = make_message(
- "%s:%zu\n" "%s:%s\n" "%s:%lu\n" "%s:%u\n"
- "%s:%s\n" "%s:%s\n" "%s:%s\n" "%s:%s\n"
- "%s:%li\n" "%s:%s\n" "%s" "%s"
- "%s:%s\n" "%s:%lu.%lu\n" "%s:%lu.%lu\n",
+ "%s: %zu\n" /* file size */
+ "%s: %s\n" /* mtime */
+ "%s: %s\n" /* status */
+ "%s: %s\n" /* status flags */
+ "%s: %li\n" /* offset */
+ "%s: %s\n" /* afs mode */
+ "%s: %lu.%lu\n" /* stream start */
+ "%s: %lu.%lu\n" /* current server time */
+ "%s", /* afs status info */
status_item_list[SI_FILE_SIZE], nmmd->size / 1024,
status_item_list[SI_MTIME], mtime,
- status_item_list[SI_LENGTH], nmmd->afi.seconds_total,
- status_item_list[SI_NUM_PLAYED], nmmd->num_played,
-
- status_item_list[SI_STATUS_BAR], bar ? bar : "(none)",
status_item_list[SI_STATUS], status,
status_item_list[SI_STATUS_FLAGS], flags,
- status_item_list[SI_SELECTOR], selectors[nmmd->selector_num].name,
status_item_list[SI_OFFSET], offset,
- status_item_list[SI_FORMAT], audio_format_name(nmmd->audio_format),
- nmmd->selector_info,
- nmmd->afi.info_string,
+ status_item_list[SI_AFS_MODE], mmd->afs_mode_string,
- status_item_list[SI_UPTIME], ut,
status_item_list[SI_STREAM_START],
(long unsigned)nmmd->stream_start.tv_sec,
(long unsigned)nmmd->stream_start.tv_usec,
status_item_list[SI_CURRENT_TIME],
(long unsigned)now.tv_sec,
- (long unsigned)now.tv_usec
+ (long unsigned)now.tv_usec,
+
+ nmmd->afd.verbose_ls_output
);
- free(bar);
free(flags);
free(status);
free(ut);
return ret;
}
-static int check_sender_args(int argc, char **argv, struct sender_command_data *scd)
+static int check_sender_args(int argc, char * const * argv, struct sender_command_data *scd)
{
int i;
/* this has to match sender.h */
case SENDER_ALLOW:
if (argc != 4 && argc != 5)
return -E_COMMAND_SYNTAX;
- if (!inet_aton(argv[3], &scd->addr))
+ if (!inet_pton(AF_INET, argv[3], &scd->addr))
return -E_COMMAND_SYNTAX;
scd->netmask = 32;
if (argc == 5) {
case SENDER_DELETE:
if (argc != 4 && argc != 5)
return -E_COMMAND_SYNTAX;
- if (!inet_aton(argv[3], &scd->addr))
+ if (!inet_pton(AF_INET, argv[3], &scd->addr))
return -E_COMMAND_SYNTAX;
scd->port = -1;
if (argc == 5) {
return 1;
}
-int com_sender(int fd, int argc, char **argv)
+int com_sender(int fd, int argc, char * const * argv)
{
int i, ret;
struct sender_command_data scd;
}
/* server info */
-int com_si(int fd, int argc, __a_unused char **argv)
+int com_si(int fd, int argc, __a_unused char * const * argv)
{
int i, ret;
char *ut;
- char *selector_string = NULL, *sender_info = NULL, *sender_list = NULL;
+ char *sender_info = NULL, *sender_list = NULL;
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- for (i = 0; selectors[i].name; i++) {
- selector_string = para_strcat(selector_string, selectors[i].name);
- selector_string = para_strcat(selector_string, " ");
- }
for (i = 0; senders[i].name; i++) {
char *info = senders[i].info();
sender_info = para_strcat(sender_info, info);
"pid: %d\n"
"connections (active/accepted/total): %u/%u/%u\n"
"current loglevel: %i\n"
- "supported audio file selectors: %s\n"
"supported audio formats: %s\n"
"supported senders: %s\n"
"%s",
mmd->num_commands,
mmd->num_connects,
conf.loglevel_arg,
- selector_string,
supported_audio_formats(),
sender_list,
sender_info
);
mmd_unlock();
free(ut);
- free(selector_string);
free(sender_list);
free(sender_info);
return ret;
}
/* version */
-int com_version(int fd, int argc, __a_unused char **argv)
+int com_version(int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
);
}
-/* sc */
-int com_sc(int fd, int argc, char **argv)
-{
- char *name = NULL;
- int ret, old = 0, count = -1; /* print af change forever */
-
- if (argc > 1)
- count = atoi(argv[1]);
-repeat:
- mmd_lock();
- if (old != mmd->num_played) {
- old = mmd->num_played;
- name = para_strdup(mmd->filename);
- }
- mmd_unlock();
- if (name) {
- ret = send_va_buffer(fd, "%s\n", name);
- free(name);
- name = NULL;
- if (ret < 0)
- return ret;
- if (argc > 1 && !--count)
- return 1;
- }
- usleep(500000);
- goto repeat;
-}
-
-/* sb */
-int com_sb(int fd, int argc, char **argv)
-{
- char *sb;
- int ret, nr = -1; /* status bar will be printed that many
- * times. Negative value means: print
- * forever
- */
- if (argc > 1)
- nr = atoi(argv[1]);
- while (nr) {
- mmd_lock();
- sb = get_sb_string(mmd);
- mmd_unlock();
- ret = send_va_buffer(fd, "%s\n", sb);
- free(sb);
- if (ret < 0)
- return ret;
- if (nr == 1)
- return 1;
- usleep(500000);
- if (nr > 0)
- nr--;
- }
- return 1;
-}
-
/* stat */
-int com_stat(int fd, int argc, char **argv)
+int com_stat(int fd, int argc, char * const * argv)
{
int ret, num = 0;/* status will be printed that many
* times. num <= 0 means: print forever
return 1;
}
-/* always returns string that must be freed by the caller in handler */
-static struct server_command *get_cmd_ptr(char *name, char **handler)
+/* returns string that must be freed by the caller */
+static struct server_command *get_cmd_ptr(const char *name, char **handler)
{
struct server_command *cmd;
for (cmd = server_cmds; cmd->name; cmd++)
if (!strcmp(cmd->name, name)) {
if (handler)
- *handler = para_strdup("para_server"); /* server commands */
+ *handler = para_strdup("server"); /* server commands */
return cmd;
}
- /* not found, look for commands supported by the current selector */
- mmd_lock();
- if (handler)
- *handler = make_message("the %s selector",
- selectors[mmd->selector_num].name);
- cmd = selectors[mmd->selector_num].cmd_list;
- mmd_unlock();
- for (; cmd->name; cmd++)
- if (!strcmp(cmd->name, name))
+ /* not found, look for commands supported by afs */
+ for (cmd = afs_cmds; cmd->name; cmd++)
+ if (!strcmp(cmd->name, name)) {
+ if (handler)
+ *handler = para_strdup("afs");
return cmd;
+ }
return NULL;
}
/* help */
-int com_help(int fd, int argc, char **argv)
+int com_help(int fd, int argc, char * const * argv)
{
struct server_command *cmd;
char *perms, *handler;
/* no argument given, print list of commands */
if ((ret = send_list_of_commands(fd, server_cmds, "server")) < 0)
return ret;
- mmd_lock();
- handler = para_strdup(selectors[mmd->selector_num].name);
- cmd = selectors[mmd->selector_num].cmd_list;
- mmd_unlock();
- ret = send_list_of_commands(fd, cmd, handler);
- free(handler);
- return ret;
+ return send_list_of_commands(fd, afs_cmds, "afs");
}
/* argument given for help */
cmd = get_cmd_ptr(argv[1], &handler);
}
/* hup */
-int com_hup(__a_unused int fd, int argc, __a_unused char **argv)
+int com_hup(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
}
/* term */
-int com_term(__a_unused int fd, int argc, __a_unused char **argv)
+int com_term(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
return 1;
}
-int com_play(__a_unused int fd, int argc, __a_unused char **argv)
+int com_play(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
}
/* stop */
-int com_stop(__a_unused int fd, int argc, __a_unused char **argv)
+int com_stop(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
}
/* pause */
-int com_pause(__a_unused int fd, int argc, __a_unused char **argv)
+int com_pause(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- if (!vss_paused())
+ if (!vss_paused() && !vss_stopped()) {
mmd->events++;
- mmd->new_vss_status_flags &= ~VSS_PLAYING;
- mmd->new_vss_status_flags &= ~VSS_NEXT;
+ mmd->new_vss_status_flags &= ~VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
+ }
mmd_unlock();
return 1;
}
-int com_chs(int fd, int argc, char **argv)
-{
- int i, ret;
-
- if (argc == 1) {
- char *selector;
- mmd_lock();
- selector = para_strdup(selectors[mmd->selector_num].name);
- mmd_unlock();
- ret = send_va_buffer(fd, "%s\n", selector);
- free(selector);
- return ret;
- }
- for (i = 0; selectors[i].name; i++) {
- if (strcmp(selectors[i].name, argv[1]))
- continue;
- mmd_lock();
- mmd->selector_change = i;
- mmd->events++;
- mmd_unlock();
- return 1;
- }
- return -E_BAD_SELECTOR;
-}
-
/* next */
-int com_next(__a_unused int fd, int argc, __a_unused char **argv)
+int com_next(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
}
/* nomore */
-int com_nomore(__a_unused int fd, int argc, __a_unused char **argv)
+int com_nomore(__a_unused int fd, int argc, __a_unused char * const * argv)
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
}
/* ff */
-int com_ff(__a_unused int fd, int argc, char **argv)
+int com_ff(__a_unused int fd, int argc, char * const * argv)
{
long promille;
int ret, backwards = 0;
backwards = 1; /* jmp backwards */
mmd_lock();
ret = -E_NO_AUDIO_FILE;
- if (!mmd->afi.chunks_total || !mmd->afi.seconds_total)
+ if (!mmd->afd.afhi.chunks_total || !mmd->afd.afhi.seconds_total)
goto out;
- promille = (1000 * mmd->current_chunk) / mmd->afi.chunks_total;
+ promille = (1000 * mmd->current_chunk) / mmd->afd.afhi.chunks_total;
if (backwards)
- promille -= 1000 * i / mmd->afi.seconds_total;
+ promille -= 1000 * i / mmd->afd.afhi.seconds_total;
else
- promille += 1000 * i / mmd->afi.seconds_total;
+ promille += 1000 * i / mmd->afd.afhi.seconds_total;
if (promille < 0)
promille = 0;
if (promille > 1000) {
mmd->new_vss_status_flags |= VSS_NEXT;
goto out;
}
- mmd->repos_request = (mmd->afi.chunks_total * promille) / 1000;
+ mmd->repos_request = (mmd->afd.afhi.chunks_total * promille) / 1000;
mmd->new_vss_status_flags |= VSS_REPOS;
mmd->new_vss_status_flags &= ~VSS_NEXT;
mmd->events++;
}
/* jmp */
-int com_jmp(__a_unused int fd, int argc, char **argv)
+int com_jmp(__a_unused int fd, int argc, char * const * argv)
{
long unsigned int i;
int ret;
return -E_COMMAND_SYNTAX;
mmd_lock();
ret = -E_NO_AUDIO_FILE;
- if (!mmd->afi.chunks_total)
+ if (!mmd->afd.afhi.chunks_total)
goto out;
if (i > 100)
i = 100;
PARA_INFO_LOG("jumping to %lu%%\n", i);
- mmd->repos_request = (mmd->afi.chunks_total * i + 50)/ 100;
+ mmd->repos_request = (mmd->afd.afhi.chunks_total * i + 50)/ 100;
PARA_INFO_LOG("sent: %lu, offset before jmp: %lu\n",
mmd->chunks_sent, mmd->offset);
mmd->new_vss_status_flags |= VSS_REPOS;
return get_cmd_ptr(buf, NULL);
}
-static long int para_rand(long unsigned max)
-{
- return (long int) ((max + 0.0) * (random() / (RAND_MAX + 1.0)));
-}
-
static void init_rc4_keys(void)
{
int i;
for (i = 0; i < 2 * RC4_KEY_LEN; i++)
- rc4_buf[i] = para_rand(256);
+ rc4_buf[i] = para_random(256);
PARA_DEBUG_LOG("rc4 keys initialized (%u:%u)\n",
(unsigned char) rc4_buf[0],
(unsigned char) rc4_buf[RC4_KEY_LEN]);
* encrypted with its RSA public key. From this point on,
* all transfers are crypted with this session key.
*
- * Next it is checked if the peer supplied a valid server
- * command or a command for the audio file selector currently
- * in use. If yes, and if the user has sufficient
- * permissions to execute that command, the function calls
- * the corresponding command handler which does argument
- * checking and further processing.
+ * Next it is checked if the peer supplied a valid server command or a command
+ * for the audio file selector. If yes, and if the user has sufficient
+ * permissions to execute that command, the function calls the corresponding
+ * command handler which does argument checking and further processing.
*
* In order to cope with a DOS attacks, a timeout is set up
* which terminates the function if the connection was not
projects / paraslash.git / blobdiff