/*
- * Copyright (C) 1997-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2011 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file command.c Client authentication and server commands. */
+#include <regex.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/types.h>
#include <dirent.h>
#include <openssl/rc4.h>
+#include <osl.h>
+#include <stdbool.h>
#include "para.h"
#include "error.h"
#include "afh.h"
#include "afs.h"
#include "server.h"
-#include "vss.h"
#include "list.h"
#include "send.h"
+#include "vss.h"
#include "rc4.h"
#include "net.h"
#include "daemon.h"
extern int mmd_mutex;
extern struct misc_meta_data *mmd;
extern struct sender senders[];
+int send_afs_status(struct rc4_context *rc4c, int parser_friendly);
+
+const char *status_item_list[] = {STATUS_ITEM_ARRAY};
static void dummy(__a_unused int s)
{
return msg;
}
-static char *get_status(struct misc_meta_data *nmmd)
+static char *get_status(struct misc_meta_data *nmmd, int parser_friendly)
{
- char *ret, mtime[30] = "";
+ char mtime[30] = "";
char *status, *flags; /* vss status info */
char *ut = uptime_str();
long offset = (nmmd->offset + 500) / 1000;
struct timeval current_time;
struct tm mtime_tm;
+ struct para_buffer b = {.flags = parser_friendly? PBF_SIZE_PREFIX : 0};
/* report real status */
status = vss_status_tohuman(nmmd->vss_status_flags);
strftime(mtime, 29, "%b %d %Y", &mtime_tm);
}
gettimeofday(¤t_time, NULL);
- ret = make_message(
- "%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_STATUS], status,
- status_item_list[SI_STATUS_FLAGS], flags,
-
- status_item_list[SI_OFFSET], offset,
- status_item_list[SI_AFS_MODE], mmd->afs_mode_string,
-
- 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)current_time.tv_sec,
- (long unsigned)current_time.tv_usec,
-
- nmmd->afd.verbose_ls_output
-
- );
+ WRITE_STATUS_ITEM(&b, SI_FILE_SIZE, "%zu\n", nmmd->size / 1024);
+ WRITE_STATUS_ITEM(&b, SI_MTIME, "%s\n", mtime);
+ WRITE_STATUS_ITEM(&b, SI_STATUS, "%s\n", status);
+ WRITE_STATUS_ITEM(&b, SI_STATUS_FLAGS, "%s\n", flags);
+ WRITE_STATUS_ITEM(&b, SI_OFFSET, "%li\n", offset);
+ WRITE_STATUS_ITEM(&b, SI_AFS_MODE, "%s\n", mmd->afs_mode_string);
+ WRITE_STATUS_ITEM(&b, SI_STREAM_START, "%lu.%lu\n",
+ (long unsigned)nmmd->stream_start.tv_sec,
+ (long unsigned)nmmd->stream_start.tv_usec);
+ WRITE_STATUS_ITEM(&b, SI_CURRENT_TIME, "%lu.%lu\n",
+ (long unsigned)current_time.tv_sec,
+ (long unsigned)current_time.tv_usec);
free(flags);
free(status);
free(ut);
- return ret;
+ return b.buf;
}
static int check_sender_args(int argc, char * const * argv, struct sender_command_data *scd)
break;
case SENDER_DENY:
case SENDER_ALLOW:
- if (argc != 4 && argc != 5)
- return -E_COMMAND_SYNTAX;
- if (!is_valid_ipv4_address(argv[3]))
+ if (argc != 4 || parse_cidr(argv[3], scd->host,
+ sizeof(scd->host), &scd->netmask) == NULL)
return -E_COMMAND_SYNTAX;
- scd->netmask = 32;
- if (argc == 5) {
- scd->netmask = atoi(argv[4]);
- if (scd->netmask < 0 || scd->netmask > 32)
- return -E_COMMAND_SYNTAX;
- }
- strncpy(scd->host, argv[3], sizeof(scd->host));
break;
case SENDER_ADD:
case SENDER_DELETE:
int com_sender(struct rc4_context *rc4c, int argc, char * const * argv)
{
int i, ret;
+ char *msg = NULL;
struct sender_command_data scd;
if (argc < 2) {
- char *msg = NULL;
for (i = 0; senders[i].name; i++) {
char *tmp = make_message("%s%s\n",
msg? msg : "", senders[i].name);
}
ret = check_sender_args(argc, argv, &scd);
if (ret < 0) {
- char *msg;
if (scd.sender_num < 0)
return ret;
msg = senders[scd.sender_num].help();
free(msg);
return ret;
}
+
+ switch (scd.cmd_num) {
+ case SENDER_ADD:
+ case SENDER_DELETE:
+ assert(senders[scd.sender_num].resolve_target);
+ ret = senders[scd.sender_num].resolve_target(argv[3], &scd);
+ if (ret < 0)
+ return ret;
+ }
+
for (i = 0; i < 10; i++) {
mutex_lock(mmd_mutex);
if (mmd->sender_cmd_data.cmd_num >= 0) {
{
int i, ret;
char *ut;
- char *sender_info = NULL, *sender_list = NULL;
+ char *sender_info = NULL;
if (argc != 1)
return -E_COMMAND_SYNTAX;
char *info = senders[i].info();
sender_info = para_strcat(sender_info, info);
free(info);
- sender_list = para_strcat(sender_list, senders[i].name);
- sender_list = para_strcat(sender_list, " ");
}
ut = uptime_str();
ret = rc4_send_va_buffer(rc4c, "up: %s\nplayed: %u\n"
"connections (active/accepted/total): %u/%u/%u\n"
"current loglevel: %s\n"
"supported audio formats: %s\n"
- "supported senders: %s\n"
"%s",
ut, mmd->num_played,
(int)getppid(),
mmd->num_commands,
mmd->num_connects,
conf.loglevel_arg,
- supported_audio_formats(),
- sender_list,
+ SERVER_AUDIO_FORMATS,
sender_info
);
mutex_unlock(mmd_mutex);
free(ut);
- free(sender_list);
free(sender_info);
return ret;
}
);
}
+#define EMPTY_STATUS_ITEMS \
+ ITEM(PATH) \
+ ITEM(DIRECTORY) \
+ ITEM(BASENAME) \
+ ITEM(SCORE) \
+ ITEM(ATTRIBUTES_BITMAP) \
+ ITEM(ATTRIBUTES_TXT) \
+ ITEM(HASH) \
+ ITEM(IMAGE_ID) \
+ ITEM(IMAGE_NAME) \
+ ITEM(LYRICS_ID) \
+ ITEM(LYRICS_NAME) \
+ ITEM(BITRATE) \
+ ITEM(FORMAT) \
+ ITEM(FREQUENCY) \
+ ITEM(CHANNELS) \
+ ITEM(DURATION) \
+ ITEM(SECONDS_TOTAL) \
+ ITEM(NUM_PLAYED) \
+ ITEM(LAST_PLAYED) \
+ ITEM(TECHINFO) \
+ ITEM(ARTIST) \
+ ITEM(TITLE) \
+ ITEM(YEAR) \
+ ITEM(ALBUM) \
+ ITEM(COMMENT) \
+ ITEM(AMPLIFICATION)
+
+/**
+ * Write a list of audio-file related status items with empty values.
+ *
+ * This is used by vss when currently no audio file is open.
+ */
+static char *empty_status_items(int parser_friendly)
+{
+ if (parser_friendly)
+ return make_message(
+ #define ITEM(x) "0004 %02x:\n"
+ EMPTY_STATUS_ITEMS
+ #undef ITEM
+ #define ITEM(x) , SI_ ## x
+ EMPTY_STATUS_ITEMS
+ #undef ITEM
+ );
+ return make_message(
+ #define ITEM(x) "%s:\n"
+ EMPTY_STATUS_ITEMS
+ #undef ITEM
+ #define ITEM(x) ,status_item_list[SI_ ## x]
+ EMPTY_STATUS_ITEMS
+ #undef ITEM
+ );
+}
+#undef EMPTY_STATUS_ITEMS
+
/* stat */
int com_stat(struct rc4_context *rc4c, int argc, char * const * argv)
{
- int ret, num = 0;/* status will be printed that many
- * times. num <= 0 means: print forever
- */
+ int i, ret;
struct misc_meta_data tmp, *nmmd = &tmp;
char *s;
+ int32_t num = 0;
+ int parser_friendly = 0;
para_sigaction(SIGUSR1, dummy);
- if (argc > 1)
- num = atoi(argv[1]);
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+ if (arg[0] != '-')
+ break;
+ if (!strcmp(arg, "--")) {
+ i++;
+ break;
+ }
+ if (!strncmp(arg, "-n=", 3)) {
+ ret = para_atoi32(arg + 3, &num);
+ if (ret < 0)
+ return ret;
+ continue;
+ }
+ if (!strcmp(arg, "-p")) {
+ parser_friendly = 1;
+ continue;
+ }
+ return -E_COMMAND_SYNTAX;
+ }
+ if (i != argc)
+ return -E_COMMAND_SYNTAX;
for (;;) {
-
mmd_dup(nmmd);
- s = get_status(nmmd);
+ s = get_status(nmmd, parser_friendly);
ret = rc4_send_buffer(rc4c, s);
free(s);
if (ret < 0)
goto out;
+ if (nmmd->vss_status_flags & VSS_NEXT) {
+ static char *esi;
+ if (!esi)
+ esi = empty_status_items(parser_friendly);
+ ret = rc4_send_buffer(rc4c, esi);
+ if (ret < 0)
+ goto out;
+ } else
+ send_afs_status(rc4c, parser_friendly);
ret = 1;
if (num > 0 && !--num)
goto out;
numbytes = 256;
get_random_bytes_or_die((unsigned char *)buf, numbytes);
}
- PARA_DEBUG_LOG("sending %zu byte challenge + rc4 keys (%u bytes)\n",
+ PARA_DEBUG_LOG("sending %u byte challenge + rc4 keys (%zu bytes)\n",
CHALLENGE_SIZE, numbytes);
ret = send_bin_buffer(fd, buf, numbytes);
if (ret < 0)
if (ret < 0)
goto net_err;
numbytes = ret;
- PARA_DEBUG_LOG("received %zu bytes challenge response\n", ret);
+ PARA_DEBUG_LOG("received %d bytes challenge response\n", ret);
ret = -E_BAD_USER;
if (!u)
goto net_err;
if (ret < 0)
goto err_out;
/* valid command and sufficient perms */
- argc = split_args(command, &argv, "\n");
+ ret = create_argv(command, "\n", &argv);
+ if (ret < 0)
+ goto err_out;
+ argc = ret;
PARA_NOTICE_LOG("calling com_%s() for %s@%s\n", cmd->name, u->name,
peername);
ret = cmd->handler(&rc4c, argc, argv);
+ free_argv(argv);
mutex_lock(mmd_mutex);
mmd->num_commands++;
mutex_unlock(mmd_mutex);
PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
out:
free(command);
- free(argv);
mutex_lock(mmd_mutex);
if (cmd && (cmd->perms & AFS_WRITE) && ret >= 0)
mmd->events++;
projects / paraslash.git / blobdiff