/*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/** \file command.c does client authentication and executes server commands */
#include <sys/time.h> /* gettimeofday */
-#include "crypt.h"
#include "server.cmdline.h"
#include "db.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "send.h"
#include "rc4.h"
#include <openssl/rc4.h>
#include "net.h"
#include "daemon.h"
#include "string.h"
+#include "fd.h"
+#include "user_list.h"
-void (*crypt_function_recv)(unsigned long len, const unsigned char *indata,
- unsigned char *outdata) = NULL;
-void (*crypt_function_send)(unsigned long len, const unsigned char *indata,
- unsigned char *outdata) = NULL;
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 gengetopt_args_info conf;
extern struct audio_file_selector selectors[];
-extern struct audio_format afl[];
extern struct sender senders[];
extern char *user_list;
struct sockaddr_in *in_addr;
{
.name = "ff",
.handler = com_ff,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "jmp amount of time forwards or backwards "
"in current audio file",
.synopsis = "ff n[-]",
.help =
-"\tSet the 'R' (reposition request) bit of the afs status flags\n"
+"\tSet the 'R' (reposition request) bit of the vss status flags\n"
"\tand enqueue a request to jump n seconds forwards or backwards\n"
"\tin the current audio file.\n"
"\n"
{
.name = "hup",
.handler = com_hup,
-.perms = AFS_WRITE,
+.perms = VSS_WRITE,
.description = "force reload of config file and log file",
.synopsis = "hup",
.help =
{
.name = "jmp",
.handler = com_jmp,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "jmp to given position in current audio file",
.synopsis = "jmp [n]",
.help =
-"\tSet the 'R' (reposition request) bit of the afs status flags\n"
+"\tSet the 'R' (reposition request) bit of the vss status flags\n"
"\tand enqueue a request to jump to n% of the current audio file,\n"
"\twhere 0 <= n <= 100.\n"
{
.name = "next",
.handler = com_next,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "skip rest of current audio file",
.synopsis = "next",
.help =
-"\tSet the 'N' (next audio file) bit of the afs status flags. When\n"
+"\tSet the 'N' (next audio file) bit of the vss status flags. When\n"
"\tplaying, change audio file immediately. Equivalent to stop\n"
"\tif paused, NOP if stopped.\n"
{
.name = "nomore",
.handler = com_nomore,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "stop playing after current audio file",
.synopsis = "nomore",
.help =
-"Set the 'O' (no more) bit of the afs status flags. This instructs\n"
+"Set the 'O' (no more) bit of the vss status flags. This instructs\n"
"para_server to clear the 'P' (playing) bit as soon as it encounters\n"
"the 'N' (next audio file) bit being set.\n"
"\n"
{
.name ="pause",
.handler = com_pause,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "pause current audio file",
.synopsis = "pause",
.help =
-"\tClear the 'P' (playing) bit of the afs status flags.\n"
+"\tClear the 'P' (playing) bit of the vss status flags.\n"
},
{
.name = "play",
.handler = com_play,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "start playing or resume playing when paused",
.synopsis = "play",
.help =
-"\tSet the 'P' (playing) bit of the afs status flags. This\n"
+"\tSet the 'P' (playing) bit of the vss status flags. This\n"
"\tresults in starting/continuing to stream.\n"
},
{
.name = "sb",
.handler = com_sb,
-.perms = AFS_READ,
+.perms = VSS_READ,
.description = "print status bar for current audio file",
.synopsis = "sb [n]",
.help =
{
.name = "sc",
.handler = com_sc,
-.perms = AFS_READ,
+.perms = VSS_READ,
.description = "print name of audio file whenever it changes",
.synopsis = "sc [n]",
.help =
{
.name = "sender",
.handler = com_sender,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "control paraslash internal senders",
.synopsis = "sender [s cmd [arguments]]",
.help =
{
.name = "stat",
.handler = com_stat,
-.perms = AFS_READ,
+.perms = VSS_READ,
.description = "print status info for current audio file",
.synopsis = "stat [n]",
.help =
{
.name = "stop",
.handler = com_stop,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "stop playing",
.synopsis = "stop",
.help =
-"\tClear the 'P' (play) bit and set the 'N' bit of the afs status\n"
+"\tClear the 'P' (play) bit and set the 'N' bit of the vss status\n"
"\tflags.\n"
},
{
.name = "term",
.handler = com_term,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "terminate para_server",
.synopsis = "term",
.help =
/*
* compute human readable string containing
- * afs_status for given integer value
+ * vss status for given integer value
*/
-static char *afs_status_tohuman(unsigned int flags)
+static char *vss_status_tohuman(unsigned int flags)
{
- if (flags & AFS_PLAYING)
+ if (flags & VSS_PLAYING)
return para_strdup("playing");
- else if (flags & AFS_NEXT)
+ else if (flags & VSS_NEXT)
return para_strdup("stopped");
else
return para_strdup("paused");
msg[0] = perms & DB_READ? 'd' : '-';
msg[1] = perms & DB_WRITE? 'D' : '-';
- msg[2] = perms & AFS_READ? 'a' : '-';
- msg[3] = perms & AFS_WRITE? 'A' : '-';
+ msg[2] = perms & VSS_READ? 'a' : '-';
+ msg[3] = perms & VSS_WRITE? 'A' : '-';
msg[4] = '\0';
return msg;
}
/*
* Never returns NULL.
*/
-static char *afs_get_status_flags(unsigned int flags)
+static char *vss_get_status_flags(unsigned int flags)
{
char *msg = para_malloc(5 * sizeof(char));
- msg[0] = (flags & AFS_PLAYING)? 'P' : '_';
- msg[1] = (flags & AFS_NOMORE)? 'O' : '_';
- msg[2] = (flags & AFS_NEXT)? 'N' : '_';
- msg[3] = (flags & AFS_REPOS)? 'R' : '_';
+ msg[0] = (flags & VSS_PLAYING)? 'P' : '_';
+ msg[1] = (flags & VSS_NOMORE)? 'O' : '_';
+ msg[2] = (flags & VSS_NEXT)? 'N' : '_';
+ msg[3] = (flags & VSS_REPOS)? 'R' : '_';
msg[4] = '\0';
return msg;
}
static char *get_status(struct misc_meta_data *nmmd)
{
char *bar, *ret, mtime[30] = "";
- char *status, *flags; /* afs status info */
+ char *status, *flags; /* vss status info */
char *ut = uptime_str();
long offset = (nmmd->offset + 500) / 1000;
struct timeval now;
strftime(mtime, 29, "%a %b %d %Y", &mtime_tm);
}
/* report real status */
- status = afs_status_tohuman(nmmd->afs_status_flags);
- flags = afs_get_status_flags(nmmd->afs_status_flags);
+ status = vss_status_tohuman(nmmd->vss_status_flags);
+ flags = vss_get_status_flags(nmmd->vss_status_flags);
bar = para_basename(nmmd->filename);
gettimeofday(&now, NULL);
ret = make_message(
mmd->num_connects,
conf.loglevel_arg,
selector_string,
- SUPPORTED_AUDIO_FORMATS,
+ supported_audio_formats(),
sender_list,
sender_info
);
{
if (argc != 1)
return -E_COMMAND_SYNTAX;
- return send_buffer(socket_fd, "para_server-" VERSION ", \"" CODENAME "\"\n"
+ return send_buffer(socket_fd, "para_server-" PACKAGE_VERSION ", \""
+ CODENAME "\"\n"
COPYRIGHT "\n"
"built: " BUILD_DATE "\n"
SYSTEM ", " CC_VERSION "\n"
ret = 1;
if (num == 1)
goto out;
- usleep(500000 * 100);
+ sleep(50);
+ if (getppid() == 1)
+ return -E_SERVER_CRASH;
}
out:
return ret;
}
-static int send_description(int fd, struct server_command *cmd, const char *handler, int num)
+static int send_list_of_commands(int fd, struct server_command *cmd,
+ const char *handler)
{
int ret, i;
- for (i = 1; cmd->name && (!num || i <= num); cmd++, i++) {
+ for (i = 1; cmd->name; cmd++, i++) {
char *perms = cmd_perms_itohuman(cmd->perms);
ret = send_va_buffer(fd, "%s\t%s\t%s\t%s\n", cmd->name,
handler,
if (argc < 2) {
/* no argument given, print list of commands */
- if ((ret = send_description(fd, cmd_struct, "server", 0)) < 0)
+ if ((ret = send_list_of_commands(fd, cmd_struct, "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_description(fd, cmd, handler, 0);
+ ret = send_list_of_commands(fd, cmd, handler);
free(handler);
return ret;
}
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- mmd->new_afs_status_flags |= AFS_PLAYING;
- mmd->new_afs_status_flags &= ~AFS_NOMORE;
+ mmd->new_vss_status_flags |= VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_NOMORE;
mmd_unlock();
return 1;
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- mmd->new_afs_status_flags &= ~AFS_PLAYING;
- mmd->new_afs_status_flags &= ~AFS_REPOS;
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags &= ~VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_REPOS;
+ mmd->new_vss_status_flags |= VSS_NEXT;
mmd_unlock();
return 1;
}
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- if (!afs_paused())
+ if (!vss_paused())
mmd->events++;
- mmd->new_afs_status_flags &= ~AFS_PLAYING;
- mmd->new_afs_status_flags &= ~AFS_NEXT;
+ mmd->new_vss_status_flags &= ~VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
mmd_unlock();
return 1;
}
return -E_COMMAND_SYNTAX;
mmd_lock();
mmd->events++;
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_NEXT;
mmd_unlock();
return 1;
}
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- if (afs_playing() || afs_paused())
- mmd->new_afs_status_flags |= AFS_NOMORE;
+ if (vss_playing() || vss_paused())
+ mmd->new_vss_status_flags |= VSS_NOMORE;
mmd_unlock();
return 1;
}
if (promille < 0)
promille = 0;
if (promille > 1000) {
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_NEXT;
goto out;
}
mmd->repos_request = (mmd->chunks_total * promille) / 1000;
- mmd->new_afs_status_flags |= AFS_REPOS;
- mmd->new_afs_status_flags &= ~AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_REPOS;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
mmd->events++;
ret = 1;
out:
mmd->repos_request = (mmd->chunks_total * i + 50)/ 100;
PARA_INFO_LOG("sent: %lu, offset before jmp: %lu\n",
mmd->chunks_sent, mmd->offset);
- mmd->new_afs_status_flags |= AFS_REPOS;
- mmd->new_afs_status_flags &= ~AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_REPOS;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
ret = 1;
mmd->events++;
out:
return (long int) ((max + 0.0) * (random() / (RAND_MAX + 1.0)));
}
-/* Open user_list file, returns pointer to opened file on success,
- * NULL on errors
- */
-static FILE *open_user_list(char *file)
-{
- PARA_DEBUG_LOG("opening user list %s\n", file);
- return fopen(file, "r");
-}
-
-/*
- * 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 int get_user(struct user *user) {
- FILE *file_ptr;
- char *char_ptr;
- char line[MAXLINE];
- /* keyword, user, key, perms */
- char w[MAXLINE], n[MAXLINE], k[MAXLINE], p[MAXLINE], tmp[4][MAXLINE];
- int num;
-
- file_ptr = open_user_list(user_list);
- if (!file_ptr)
- return -E_USERLIST;
- while (fgets(line, MAXLINE, file_ptr)) {
-// PARA_DEBUG_LOG("%s: Read line (%i bytes) "
-// "from config file\n", __func__, strlen(line));
- if (sscanf(line,"%200s %200s %200s %200s", w, n, k, p) < 3)
- continue;
- if (!strcmp(w, "user") && !strcmp(user->name, n)) {
- PARA_DEBUG_LOG("found entry for %s\n", n);
- strcpy(user->name, n);
- strcpy(user->pubkey_file, k);
- user->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);
- user->perms = 0;
- while (num > 0) {
- num--;
- //PARA_DEBUG_LOG("%s: tmp[%i]=%s\n", __func__,
- // num, tmp[num]);
- if (!strcmp(tmp[num], "AFS_READ"))
- user->perms =
- user->perms | AFS_READ;
- else if (!strcmp(tmp[num], "AFS_WRITE"))
- user->perms =
- user->perms | AFS_WRITE;
- else if (!strcmp(tmp[num], "DB_READ"))
- user->perms = user->perms | DB_READ;
- else if (!strcmp(tmp[num], "DB_WRITE"))
- user->perms = user->perms | DB_WRITE;
- else /* unknown permission */
- PARA_WARNING_LOG("unknown permission:"
- "%s\n", tmp[num]);
- }
- fclose(file_ptr);
- return 1;
- }
- }
- fclose(file_ptr);
- return 0;
-}
-
static void init_rc4_keys(void)
{
int i;
RC4_set_key(&rc4_send_key, RC4_KEY_LEN, rc4_buf + RC4_KEY_LEN);
}
-static void rc4_recv(unsigned long len, const unsigned char *indata, unsigned char *outdata)
+static void rc4_recv(unsigned long len, const unsigned char *indata,
+ unsigned char *outdata, __a_unused void *private_data)
{
RC4(&rc4_recv_key, len, indata, outdata);
}
-static void rc4_send(unsigned long len, const unsigned char *indata, unsigned char *outdata)
+static void rc4_send(unsigned long len, const unsigned char *indata,
+ unsigned char *outdata, __a_unused void *private_data)
{
RC4(&rc4_send_key, len, indata, outdata);
}
in_addr = addr;
challenge_nr = random();
/* send Welcome message */
- ret = send_va_buffer(fd, "This is para_server, version " VERSION ".\n" );
+ ret = send_va_buffer(fd, "This is para_server, version "
+ PACKAGE_VERSION ".\n" );
if (ret < 0)
goto err_out;
/* recv auth request line */
goto err_out;
if (numbytes < 9 || strncmp(buf, "auth rc4 ", 9))
- strcpy(u.name, buf + 5); /* client version < 0.2.6 */
+ u.name = para_strdup(buf + 5); /* client version < 0.2.6 */
else {
- strcpy(u.name, buf + 9); /* client version >= 0.2.6 */
+ u.name = para_strdup(buf + 9); /* client version >= 0.2.6 */
use_rc4 = 1;
}
-// strcpy(u.name, buf + 5); /* ok, but ugly */
PARA_DEBUG_LOG("received %s request for user %s\n",
use_rc4? "rc4" : "auth", u.name);
- /* lookup user in list file */
- if ((ret = get_user(&u)) < 0)
+ if ((ret = lookup_user(&u)) < 0)
goto err_out;
- if (!ret) { /* user not found */
- PARA_WARNING_LOG("auth request for unknown user %s\n", u.name);
- ret = -E_BAD_USER;
- goto err_out;
- }
- ret = para_encrypt_challenge(u.pubkey_file, challenge_nr, crypt_buf);
+ ret = para_encrypt_challenge(u.rsa, challenge_nr, crypt_buf);
if (ret <= 0)
goto err_out;
numbytes = ret;
sprintf(buf, "%s", PROCEED_MSG);
if (use_rc4) {
init_rc4_keys();
- ret = para_encrypt_buffer(u.pubkey_file, rc4_buf, 2 * RC4_KEY_LEN,
+ ret = para_encrypt_buffer(u.rsa, rc4_buf, 2 * RC4_KEY_LEN,
(unsigned char *)buf + PROCEED_MSG_LEN + 1);
if (ret <= 0)
goto err_out;
ret = send_bin_buffer(fd, buf, numbytes);
if (ret < 0)
goto err_out;
- if (use_rc4) {
- crypt_function_recv = rc4_recv;
- crypt_function_send = rc4_send;
- PARA_INFO_LOG("%s", "rc4 encryption activated\n");
- }
+ if (use_rc4)
+ enable_crypt(fd, rc4_recv, rc4_send, NULL);
/* read command */
while ((numbytes = recv_buffer(fd, buf, sizeof(buf))) > 0) {
// PARA_INFO_LOG("recvd: %s (%d)\n", buf, numbytes);