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-rwxr-xr-xasterisk.c45
-rwxr-xr-xasterisk.h1
-rwxr-xr-xchannels/Makefile9
-rwxr-xr-xinclude/asterisk/crypto.h71
-rwxr-xr-xinclude/asterisk/io.h70
-rwxr-xr-xinclude/asterisk/md5.h5
-rwxr-xr-xinclude/asterisk/options.h2
-rwxr-xr-xio.c40
-rwxr-xr-xkeys/iaxtel.pub6
-rwxr-xr-xres/Makefile32
-rwxr-xr-xres/res_adsi.c992
-rwxr-xr-xres/res_crypto.c633
12 files changed, 1877 insertions, 29 deletions
diff --git a/asterisk.c b/asterisk.c
index 83a2e4635..005cf3384 100755
--- a/asterisk.c
+++ b/asterisk.c
@@ -18,13 +18,16 @@
#include <asterisk/cli.h>
#include <asterisk/channel.h>
#include <asterisk/ulaw.h>
+#include <asterisk/alaw.h>
#include <asterisk/callerid.h>
#include <asterisk/module.h>
#include <asterisk/image.h>
+#include <asterisk/tdd.h>
#include <fcntl.h>
#include <stdio.h>
#include <signal.h>
#include <sched.h>
+#include <asterisk/io.h>
#include <pthread.h>
#include <sys/socket.h>
#include <sys/un.h>
@@ -46,6 +49,7 @@ int option_console=0;
int option_highpriority=0;
int option_remote=0;
int option_exec=0;
+int option_initcrypto=0;
int fully_booted = 0;
static int ast_socket = -1; /* UNIX Socket for allowing remote control */
@@ -87,7 +91,7 @@ static void *netconsole(void *vconsole)
fd_set rfds;
if (gethostname(hostname, sizeof(hostname)))
- strncpy(hostname, "<Unknown>", sizeof(hostname));
+ strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
snprintf(tmp, sizeof(tmp), "%s/%d/%s\n", hostname, mainpid, ASTERISK_VERSION);
fdprint(con->fd, tmp);
for(;;) {
@@ -196,7 +200,7 @@ static int ast_makesocket(void)
}
memset(&sun, 0, sizeof(sun));
sun.sun_family = AF_LOCAL;
- strncpy(sun.sun_path, AST_SOCKET, sizeof(sun.sun_path));
+ strncpy(sun.sun_path, AST_SOCKET, sizeof(sun.sun_path)-1);
res = bind(ast_socket, (struct sockaddr *)&sun, sizeof(sun));
if (res) {
ast_log(LOG_WARNING, "Unable to bind socket to %s: %s\n", AST_SOCKET, strerror(errno));
@@ -227,7 +231,7 @@ static int ast_tryconnect(void)
}
memset(&sun, 0, sizeof(sun));
sun.sun_family = AF_LOCAL;
- strncpy(sun.sun_path, AST_SOCKET, sizeof(sun.sun_path));
+ strncpy(sun.sun_path, AST_SOCKET, sizeof(sun.sun_path)-1);
res = connect(ast_consock, (struct sockaddr *)&sun, sizeof(sun));
if (res) {
close(ast_consock);
@@ -328,7 +332,7 @@ static void console_verboser(char *s, int pos, int replace, int complete)
/* Return to the beginning of the line */
if (!pos)
fprintf(stdout, "\r");
- fprintf(stdout, s + pos);
+ fputs(s + pos,stdout);
fflush(stdout);
if (complete)
/* Wake up a select()ing console */
@@ -371,7 +375,7 @@ static void remoteconsolehandler(char *s)
else
system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
} else
- strncpy(cmd, s, sizeof(cmd));
+ strncpy(cmd, s, sizeof(cmd)-1);
if (!strcasecmp(s, "help"))
fprintf(stdout, " !<command> Executes a given shell command\n");
if (!strcasecmp(s, "quit"))
@@ -441,6 +445,8 @@ static void ast_remotecontrol(char * data)
char *cpid;
char *version;
int pid;
+ int lastclear=0;
+ int oldstatus=0;
char tmp[80];
read(ast_consock, buf, sizeof(buf));
if (data) {
@@ -499,6 +505,18 @@ static void ast_remotecontrol(char * data)
if (res < 1)
break;
buf[res] = 0;
+ /* If someone asks for a pass code, hide the password */
+ if (!memcmp(buf, ">>>>", 4)) {
+ printf("Ooh, i should hide password!\n");
+ if (!lastclear) {
+ oldstatus = ast_hide_password(STDIN_FILENO);
+ printf("Oldstatus = %d\n", oldstatus);
+ }
+ lastclear = 1;
+ } else if (lastclear) {
+ ast_restore_tty(STDIN_FILENO, oldstatus);
+ lastclear = 0;
+ }
if (!lastpos)
write(STDOUT_FILENO, "\r", 2);
write(STDOUT_FILENO, buf, res);
@@ -525,10 +543,12 @@ int main(int argc, char *argv[])
sigset_t sigs;
if (gethostname(hostname, sizeof(hostname)))
- strncpy(hostname, "<Unknown>", sizeof(hostname));
+ strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
mainpid = getpid();
ast_ulaw_init();
+ ast_alaw_init();
callerid_init();
+ tdd_init();
if (getenv("HOME"))
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
/* Check if we're root */
@@ -537,7 +557,7 @@ int main(int argc, char *argv[])
exit(1);
}
/* Check for options */
- while((c=getopt(argc, argv, "fdvqprcx:")) != EOF) {
+ while((c=getopt(argc, argv, "fdvqprcix:")) != EOF) {
switch(c) {
case 'd':
option_debug++;
@@ -568,6 +588,9 @@ int main(int argc, char *argv[])
option_exec++;
xarg = optarg;
break;
+ case 'i':
+ option_initcrypto++;
+ break;
case '?':
exit(1);
}
@@ -596,7 +619,8 @@ int main(int argc, char *argv[])
ast_log(LOG_ERROR, "Unable to connect to remote asterisk\n");
exit(1);
}
- if (!option_verbose && !option_console && !option_debug) {
+
+ if (!option_verbose && !option_debug && !option_nofork && !option_console) {
pid = fork();
if (pid < 0) {
ast_log(LOG_ERROR, "Unable to fork(): %s\n", strerror(errno));
@@ -605,6 +629,7 @@ int main(int argc, char *argv[])
if (pid)
exit(0);
}
+
ast_makesocket();
sigemptyset(&sigs);
sigaddset(&sigs, SIGHUP);
@@ -648,7 +673,7 @@ int main(int argc, char *argv[])
ast_verbose( "Asterisk Ready.\n");
fully_booted = 1;
pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
- ast_cli_register(&astshutdown);
+ ast_cli_register(&astshutdown);
if (option_console) {
/* Console stuff now... */
/* Register our quit function */
@@ -674,7 +699,7 @@ int main(int argc, char *argv[])
}
} else {
- /* Do nothing */
+ /* Do nothing */
select(0,NULL,NULL,NULL,NULL);
}
return 0;
diff --git a/asterisk.h b/asterisk.h
index 583ee7a64..34dae49c8 100755
--- a/asterisk.h
+++ b/asterisk.h
@@ -23,6 +23,7 @@
#define AST_VAR_DIR "/var/lib/asterisk"
#define AST_LOG_DIR "/var/log/asterisk"
#define AST_AGI_DIR "/var/lib/asterisk/agi-bin"
+#define AST_KEY_DIR "/var/lib/asterisk/keys"
#define AST_CONFIG_FILE "asterisk.conf"
diff --git a/channels/Makefile b/channels/Makefile
index 69f1a6401..06d751e38 100755
--- a/channels/Makefile
+++ b/channels/Makefile
@@ -22,6 +22,8 @@ CFLAGS+=$(shell [ ! -f /usr/include/linux/if_wanpipe.h ] && echo " -DOLD_SANGOMA
CFLAGS+=$(shell [ -f /usr/lib/libpri.so.1 ] && echo " -DZAPATA_PRI")
ZAPPRI=$(shell [ -f /usr/lib/libpri.so.1 ] && echo "-lpri")
+CFLAGS+=-DCRYPTO
+
CFLAGS+=#-DVOFRDUMPER
ZAPDIR=/usr/lib
@@ -30,11 +32,11 @@ CHANNEL_LIBS+=$(shell [ -f $(ZAPDIR)/libzap.a ] && echo "chan_zap.so")
CFLAGS+=$(shell [ -f $(ZAPDIR)/libzap.a ] && echo "-I$(ZAPDIR)")
-all: $(CHANNEL_LIBS)
+all: $(CHANNEL_LIBS)
clean:
rm -f *.so *.o
- rm -f busy.h ringtone.h gentone
+ rm -f busy.h ringtone.h gentone gentone-ulaw
%.so : %.o
$(CC) -shared -Xlinker -x -o $@ $<
@@ -42,6 +44,9 @@ clean:
gentone: gentone.c
$(CC) -o gentone gentone.c -lm
+gentone-ulaw: gentone-ulaw.c
+ $(CC) -o gentone-ulaw gentone-ulaw.c -lm
+
busy.h: gentone
./gentone busy 480 620
diff --git a/include/asterisk/crypto.h b/include/asterisk/crypto.h
new file mode 100755
index 000000000..4aac31b1d
--- /dev/null
+++ b/include/asterisk/crypto.h
@@ -0,0 +1,71 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Provide cryptographic signature routines
+ *
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#ifndef _ASTERISK_CRYPTO_H
+#define _ASTERISK_CRYPTO_H
+
+#include <asterisk/channel.h>
+#include <asterisk/file.h>
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+#define AST_KEY_PUBLIC (1 << 0)
+#define AST_KEY_PRIVATE (1 << 1)
+
+struct ast_key;
+
+//! Retrieve a key
+/*!
+ * \param name of the key we are retrieving
+ * \param int type of key (AST_KEY_PUBLIC or AST_KEY_PRIVATE)
+ *
+ * Returns the key on success or NULL on failure
+ */
+extern struct ast_key *ast_key_get(char *key, int type);
+
+//! Initialize keys (that is, retrieve pass codes for all private keys)
+/*!
+ * \param fd a file descriptor for I/O for passwords
+ *
+ */
+extern int ast_key_init(int fd);
+
+//! Check the authenticity of a message signature using a given public key
+/*!
+ * \param key a public key to use to verify
+ * \param msg the message that has been signed
+ * \param sig the proposed valid signature in mime64-like encoding
+ *
+ * Returns 0 if the signature is valid, or -1 otherwise
+ *
+ */
+extern int ast_check_signature(struct ast_key *key, char *msg, char *sig);
+
+/*!
+ * \param key a private key to use to create the signature
+ * \param msg the message to sign
+ * \param sig a pointer to a buffer of at least 256 bytes in which the
+ * mime64-like encoded signature will be stored
+ *
+ * Returns 0 on success or -1 on failure.
+ *
+ */
+extern int ast_sign(struct ast_key *key, char *msg, char *sig);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif
diff --git a/include/asterisk/io.h b/include/asterisk/io.h
index 82060c20d..d8d8d46e1 100755
--- a/include/asterisk/io.h
+++ b/include/asterisk/io.h
@@ -20,14 +20,20 @@
extern "C" {
#endif
-#define AST_IO_IN POLLIN /* Input ready */
-#define AST_IO_OUT POLLOUT /* Output ready */
-#define AST_IO_PRI POLLPRI /* Priority input ready */
+/*! Input ready */
+#define AST_IO_IN POLLIN
+/*! Output ready */
+#define AST_IO_OUT POLLOUT
+/*! Priority input ready */
+#define AST_IO_PRI POLLPRI
/* Implicitly polled for */
-#define AST_IO_ERR POLLERR /* Error condition (errno or getsockopt) */
-#define AST_IO_HUP POLLHUP /* Hangup */
-#define AST_IO_NVAL POLLNVAL /* Invalid fd */
+/*! Error condition (errno or getsockopt) */
+#define AST_IO_ERR POLLERR
+/*! Hangup */
+#define AST_IO_HUP POLLHUP
+/*! Invalid fd */
+#define AST_IO_NVAL POLLNVAL
/*
* An Asterisk IO callback takes its id, a file descriptor, list of events, and
@@ -37,34 +43,63 @@ extern "C" {
struct io_context;
-/* Create a context for I/O operations */
+//! Creates a context
+/*!
+ * Create a context for I/O operations
+ * Basically mallocs an IO structure and sets up some default values.
+ * Returns an allocated io_context structure
+ */
extern struct io_context *io_context_create(void);
-/* Destroy a context for I/O operations */
+//! Destroys a context
+/*
+ * \param ioc structure to destroy
+ * Destroy a context for I/O operations
+ * Frees all memory associated with the given io_context structure along with the structure itself
+ */
extern void io_context_destroy(struct io_context *ioc);
typedef int (*ast_io_cb)(int *id, int fd, short events, void *cbdata);
#define AST_IO_CB(a) ((ast_io_cb)(a))
-/*
+//! Adds an IO context
+/*!
+ * \param ioc which context to use
+ * \param fd which fd to monitor
+ * \param callback callback function to run
+ * \param events event mask of events to wait for
+ * \param data data to pass to the callback
* Watch for any of revents activites on fd, calling callback with data as
* callback data. Returns a pointer to ID of the IO event, or NULL on failure.
*/
extern int *ast_io_add(struct io_context *ioc, int fd, ast_io_cb callback, short events, void *data);
-/*
+//! Changes an IO handler
+/*!
+ * \param ioc which context to use
+ * \param id
+ * \param fd the fd you wish it to contain now
+ * \param callback new callback function
+ * \param events event mask to wait for
+ * \param data data to pass to the callback function
* Change an i/o handler, updating fd if > -1, callback if non-null, and revents
* if >-1, and data if non-null. Returns a pointero to the ID of the IO event,
* or NULL on failure.
*/
extern int *ast_io_change(struct io_context *ioc, int *id, int fd, ast_io_cb callback, short events, void *data);
-/*
+//! Removes an IO context
+/*!
+ * \param ioc which io_context to remove it from
+ * \param id which ID to remove
* Remove an I/O id from consideration Returns 0 on success or -1 on failure.
*/
extern int ast_io_remove(struct io_context *ioc, int *id);
-/*
+//! Waits for IO
+/*!
+ * \param ioc which context to act upon
+ * \param howlong how many milliseconds to wait
* Wait for I/O to happen, returning after
* howlong milliseconds, and after processing
* any necessary I/O. Returns the number of
@@ -72,11 +107,22 @@ extern int ast_io_remove(struct io_context *ioc, int *id);
*/
extern int ast_io_wait(struct io_context *ioc, int howlong);
+//! Dumps the IO array
/*
* Debugging: Dump everything in the I/O array
*/
extern void ast_io_dump(struct io_context *ioc);
+//! Set fd into non-echoing mode (if fd is a tty)
+
+extern int ast_hide_password(int fd);
+
+//! Restores TTY mode
+/*
+ * Call with result from previous ast_hide_password
+ */
+extern int ast_restore_tty(int fd, int oldstatus);
+
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
diff --git a/include/asterisk/md5.h b/include/asterisk/md5.h
index e264f686d..53a40c272 100755
--- a/include/asterisk/md5.h
+++ b/include/asterisk/md5.h
@@ -19,9 +19,4 @@ void MD5Update(struct MD5Context *context, unsigned char const *buf,
void MD5Final(unsigned char digest[16], struct MD5Context *context);
void MD5Transform(uint32 buf[4], uint32 const in[16]);
-/*
- * This is needed to make RSAREF happy on some MS-DOS compilers.
- */
-typedef struct MD5Context MD5_CTX;
-
#endif /* !MD5_H */
diff --git a/include/asterisk/options.h b/include/asterisk/options.h
index 9cd0b5ef9..375b216a1 100755
--- a/include/asterisk/options.h
+++ b/include/asterisk/options.h
@@ -23,12 +23,14 @@ extern int option_debug;
extern int option_nofork;
extern int option_quiet;
extern int option_console;
+extern int option_initcrypto;
extern int fully_booted;
extern char defaultlanguage[];
#define VERBOSE_PREFIX_1 " "
#define VERBOSE_PREFIX_2 " == "
#define VERBOSE_PREFIX_3 " -- "
+#define VERBOSE_PREFIX_4 " > "
#if defined(__cplusplus) || defined(c_plusplus)
}
diff --git a/io.c b/io.c
index aef361c64..91aec690b 100755
--- a/io.c
+++ b/io.c
@@ -15,6 +15,7 @@
#include <sys/poll.h>
#include <unistd.h>
#include <stdlib.h>
+#include <termios.h>
#include <asterisk/io.h>
#include <asterisk/logger.h>
@@ -257,3 +258,42 @@ void ast_io_dump(struct io_context *ioc)
}
ast_log(LOG_DEBUG, "================================================\n");
}
+
+/* Unrelated I/O functions */
+
+int ast_hide_password(int fd)
+{
+ struct termios tios;
+ int res;
+ int old;
+ if (!isatty(fd))
+ return -1;
+ res = tcgetattr(fd, &tios);
+ if (res < 0)
+ return -1;
+ old = tios.c_lflag & (ECHO | ECHONL);
+ tios.c_lflag &= ~ECHO;
+ tios.c_lflag |= ECHONL;
+ res = tcsetattr(fd, TCSAFLUSH, &tios);
+ if (res < 0)
+ return -1;
+ return old;
+}
+
+int ast_restore_tty(int fd, int oldstate)
+{
+ int res;
+ struct termios tios;
+ if (oldstate < 0)
+ return 0;
+ res = tcgetattr(fd, &tios);
+ if (res < 0)
+ return -1;
+ tios.c_lflag &= ~(ECHO | ECHONL);
+ tios.c_lflag |= oldstate;
+ res = tcsetattr(fd, TCSAFLUSH, &tios);
+ if (res < 0)
+ return -1;
+ return 0;
+}
+
diff --git a/keys/iaxtel.pub b/keys/iaxtel.pub
new file mode 100755
index 000000000..d7c8f6cc8
--- /dev/null
+++ b/keys/iaxtel.pub
@@ -0,0 +1,6 @@
+-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3+joshldCUFgjj5DeYOgRLSPS
+0t7gxTHiy1BTfynadPzgn447dy9iIQfBykE0pEdIPgaPMEt+ZPqPtln1P4dX3Ynx
+I+RYKgtjsmYYnyJRMGHfHuLXwkbFkxyiEg0KDvbdBWbz7GUNZlp49BLXewWGY9DJ
+MauE7FXVyCVDchn0YQIDAQAB
+-----END PUBLIC KEY-----
diff --git a/res/Makefile b/res/Makefile
new file mode 100755
index 000000000..9c4bffb6c
--- /dev/null
+++ b/res/Makefile
@@ -0,0 +1,32 @@
+#
+# Asterisk -- A telephony toolkit for Linux.
+#
+# Makefile for CDR backends (dynamically loaded)
+#
+# Copyright (C) 1999, Mark Spencer
+#
+# Mark Spencer <markster@linux-support.net>
+#
+# This program is free software, distributed under the terms of
+# the GNU General Public License
+#
+
+MODS=res_adsi.so res_parking.so res_crypto.so
+
+CRYPTO_LIBS=-lssl -lcrypto
+
+CFLAGS+=
+
+all: $(MODS)
+
+install: all
+ for x in $(MODS); do $(INSTALL) -m 755 $$x $(MODULES_DIR) ; done
+
+res_crypto.so: res_crypto.o
+ $(CC) -shared -Xlinker -x -o $@ $< $(CRYPTO_LIBS)
+
+clean:
+ rm -f *.so *.o
+
+%.so : %.o
+ $(CC) -shared -Xlinker -x -o $@ $<
diff --git a/res/res_adsi.c b/res/res_adsi.c
new file mode 100755
index 000000000..c7aad7b48
--- /dev/null
+++ b/res/res_adsi.c
@@ -0,0 +1,992 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * ADSI support
+ *
+ * Copyright (C) 2001, Linux Support Services, Inc.
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License.
+ *
+ * Includes code and algorithms from the Zapata library.
+ *
+ */
+
+#include <time.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+#include <asterisk/ulaw.h>
+#include <asterisk/callerid.h>
+#include <asterisk/logger.h>
+#include <asterisk/fskmodem.h>
+#include <asterisk/channel.h>
+#include <asterisk/adsi.h>
+#include <asterisk/module.h>
+#include <asterisk/config.h>
+#include <asterisk/file.h>
+
+#define DEFAULT_ADSI_MAX_RETRIES 3
+
+#define ADSI_MAX_INTRO 20
+#define ADSI_MAX_SPEED_DIAL 6
+
+#define ADSI_FLAG_DATAMODE (1 << 8)
+
+static int maxretries = DEFAULT_ADSI_MAX_RETRIES;
+
+/* Asterisk ADSI button definitions */
+#define ADSI_SPEED_DIAL 10 /* 10-15 are reserved for speed dial */
+
+static char intro[ADSI_MAX_INTRO][20];
+static int aligns[ADSI_MAX_INTRO];
+
+static char speeddial[ADSI_MAX_SPEED_DIAL][3][20];
+
+static int alignment = 0;
+
+static int adsi_generate(unsigned char *buf, int msgtype, char *msg, int msglen, int msgnum, int last)
+{
+ int sum;
+ int x;
+ int bytes=0;
+ /* Initial carrier (imaginary) */
+ float cr = 1.0;
+ float ci = 0.0;
+ float scont = 0.0;
+
+ if (msglen > 255)
+ msglen = 255;
+
+ /* If first message, Send 150ms of MARK's */
+ if (msgnum == 1) {
+ for (x=0;x<150;x++) /* was 150 */
+ PUT_CLID_MARKMS;
+ }
+ /* Put message type */
+ PUT_CLID(msgtype);
+ sum = msgtype;
+
+ /* Put message length (plus one for the message number) */
+ PUT_CLID(msglen + 1);
+ sum += msglen + 1;
+
+ /* Put message number */
+ PUT_CLID(msgnum);
+ sum += msgnum;
+
+ /* Put actual message */
+ for (x=0;x<msglen;x++) {
+ PUT_CLID(msg[x]);
+ sum += msg[x];
+ }
+
+ /* Put 2's compliment of sum */
+ PUT_CLID(256-(sum & 0xff));
+
+#if 0
+ if (last) {
+ /* Put trailing marks */
+ for (x=0;x<50;x++)
+ PUT_CLID_MARKMS;
+ }
+#endif
+ return bytes;
+
+}
+
+#if 0
+static int adsi_careful_send(struct ast_channel *chan, unsigned char *buf, int len, int *remainder)
+{
+ int res;
+ fd_set fds;
+ while(len) {
+ FD_ZERO(&fds);
+ FD_SET(chan->fds[0], &fds);
+ select(chan->fds[0] + 1, NULL, &fds, NULL, NULL);
+ res = write(chan->fds[0], buf, len);
+ if (res < 1) {
+ ast_log(LOG_WARNING, "Failed to write: %s\n", strerror(errno));
+ return -1;
+ }
+ buf += res;
+ len -= res;
+ }
+ return 0;
+}
+
+#else
+static int adsi_careful_send(struct ast_channel *chan, unsigned char *buf, int len, int *remainder)
+{
+ /* Sends carefully on a full duplex channel by using reading for
+ timing */
+ struct ast_frame *inf, outf;
+ int amt;
+
+ /* Zero out our outgoing frame */
+ memset(&outf, 0, sizeof(outf));
+
+ if (remainder && *remainder) {
+ amt = len;
+
+ /* Send remainder if provided */
+ if (amt > *remainder)
+ amt = *remainder;
+ else
+ *remainder = *remainder - amt;
+ outf.frametype = AST_FRAME_VOICE;
+ outf.subclass = AST_FORMAT_ULAW;
+ outf.data = buf;
+ outf.datalen = amt;
+ outf.timelen = amt * 8;
+ if (ast_write(chan, &outf)) {
+ ast_log(LOG_WARNING, "Failed to carefully write frame\n");
+ return -1;
+ }
+ /* Update pointers and lengths */
+ buf += amt;
+ len -= amt;
+ }
+
+ while(len) {
+ amt = len;
+ /* If we don't get anything at all back in a second, forget
+ about it */
+ if (ast_waitfor(chan, 1000) < 1)
+ return -1;
+ inf = ast_read(chan);
+ /* Detect hangup */
+ if (!inf)
+ return -1;
+ if (inf->frametype == AST_FRAME_VOICE) {
+ /* Read a voice frame */
+ if (inf->subclass != AST_FORMAT_ULAW) {
+ ast_log(LOG_WARNING, "Channel not in ulaw?\n");
+ return -1;
+ }
+ /* Send no more than they sent us */
+ if (amt > inf->datalen)
+ amt = inf->datalen;
+ else if (remainder)
+ *remainder = inf->datalen - amt;
+ outf.frametype = AST_FRAME_VOICE;
+ outf.subclass = AST_FORMAT_ULAW;
+ outf.data = buf;
+ outf.datalen = amt;
+ outf.timelen = amt * 8;
+ if (ast_write(chan, &outf)) {
+ ast_log(LOG_WARNING, "Failed to carefully write frame\n");
+ return -1;
+ }
+ /* Update pointers and lengths */
+ buf += amt;
+ len -= amt;
+ }
+ ast_frfree(inf);
+ }
+ return 0;
+}
+#endif
+
+static int __adsi_transmit_messages(struct ast_channel *chan, unsigned char **msg, int *msglen, int *msgtype)
+{
+ /* msglen must be no more than 256 bits, each */
+ unsigned char buf[24000 * 5];
+ int pos = 0, res;
+ int x;
+ int start=0;
+ int retries = 0;
+
+ char ack[3];
+
+ /* Wait up to 500 ms for initial ACK */
+ int waittime;
+ struct ast_frame *f;
+ int rem = 0;
+
+ if (chan->adsicpe == AST_ADSI_UNAVAILABLE) {
+ /* Don't bother if we know they don't support ADSI */
+ errno = ENOSYS;
+ return -1;
+ }
+
+ while(retries < maxretries) {
+ if (!(chan->adsicpe & ADSI_FLAG_DATAMODE)) {
+ /* Generate CAS (no SAS) */
+ ast_gen_cas(buf, 0, 680);
+
+ /* Send CAS */
+ if (adsi_careful_send(chan, buf, 680, NULL)) {
+ ast_log(LOG_WARNING, "Unable to send CAS\n");
+ }
+ /* Wait For DTMF result */
+ waittime = 500;
+ for(;;) {
+ if (((res = ast_waitfor(chan, waittime)) < 1)) {
+ /* Didn't get back DTMF A in time */
+ ast_log(LOG_DEBUG, "No ADSI CPE detected (%d)\n", res);
+ if (!chan->adsicpe)
+ chan->adsicpe = AST_ADSI_UNAVAILABLE;
+ errno = ENOSYS;
+ return -1;
+ }
+ waittime = res;
+ f = ast_read(chan);
+ if (!f) {
+ ast_log(LOG_DEBUG, "Hangup in ADSI\n");
+ return -1;
+ }
+ if (f->frametype == AST_FRAME_DTMF) {
+ if (f->subclass == 'A') {
+ /* Okay, this is an ADSI CPE. Note this for future reference, too */
+ if (!chan->adsicpe)
+ chan->adsicpe = AST_ADSI_AVAILABLE;
+ break;
+ } else {
+ if (f->subclass == 'D') {
+ ast_log(LOG_DEBUG, "Off-hook capable CPE only, not ADSI\n");
+ } else
+ ast_log(LOG_WARNING, "Unknown ADSI response '%c'\n", f->subclass);
+ if (!chan->adsicpe)
+ chan->adsicpe = AST_ADSI_UNAVAILABLE;
+ errno = ENOSYS;
+ return -1;
+ }
+ }
+ ast_frfree(f);
+ }
+
+ ast_log(LOG_DEBUG, "ADSI Compatible CPE Detected\n");
+ } else
+ ast_log(LOG_DEBUG, "Already in data mode\n");
+
+ x = 0;
+ pos = 0;
+#if 0
+ def= ast_channel_defer_dtmf(chan);
+#endif
+ while((x < 6) && msg[x]) {
+ res = adsi_generate(buf + pos, msgtype[x], msg[x], msglen[x], x+1 - start, (x == 5) || !msg[x+1]);
+ if (res < 0) {
+ ast_log(LOG_WARNING, "Failed to generate ADSI message %d on channel %s\n", x + 1, chan->name);
+ return -1;
+ }
+ ast_log(LOG_DEBUG, "Message %d, of %d input bytes, %d output bytes\n",
+ x + 1, msglen[x], res);
+ pos += res;
+ x++;
+ }
+
+
+ rem = 0;
+ if (adsi_careful_send(chan, buf, pos, &rem))
+ return -1;
+
+ ast_log(LOG_DEBUG, "Sent total spill of %d bytes\n", pos);
+
+ memset(ack, 0, sizeof(ack));
+ /* Get real result */
+ res = ast_readstring(chan, ack, 3, 1000, 1000, "");
+ /* Check for hangup */
+ if (res < 0)
+ return -1;
+ if (ack[0] == 'D') {
+ ast_log(LOG_DEBUG, "Acked up to message %d\n", atoi(ack + 1));
+ start += atoi(ack + 1);
+ if (start >= x)
+ break;
+ else {
+ retries++;
+ ast_log(LOG_DEBUG, "Retransmitting (%d), from %d\n", start + 1);
+ }
+ } else {
+ retries++;
+ ast_log(LOG_WARNING, "Unexpected response to ack: %s (retry %d)\n", ack, retries);
+ }
+ }
+ if (retries >= maxretries) {
+ ast_log(LOG_WARNING, "Maximum ADSI Retries (%d) exceeded\n", maxretries);
+ errno = ETIMEDOUT;
+ return -1;
+ }
+ return 0;
+
+}
+
+int adsi_begin_download(struct ast_channel *chan, char *service, char *fdn, char *sec, int version)
+{
+ int bytes;
+ unsigned char buf[256];
+ char ack[2];
+ bytes = 0;
+ /* Setup the resident soft key stuff, a piece at a time */
+ /* Upload what scripts we can for voicemail ahead of time */
+ bytes += adsi_download_connect(buf + bytes, service, fdn, sec, version);
+ if (adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD))
+ return -1;
+ if (ast_readstring(chan, ack, 1, 10000, 10000, ""))
+ return -1;
+ if (ack[0] == 'B')
+ return 0;
+ ast_log(LOG_DEBUG, "Download was denied by CPE\n");
+ return -1;
+}
+
+int adsi_end_download(struct ast_channel *chan)
+{
+ int bytes;
+ unsigned char buf[256];
+ bytes = 0;
+ /* Setup the resident soft key stuff, a piece at a time */
+ /* Upload what scripts we can for voicemail ahead of time */
+ bytes += adsi_download_disconnect(buf + bytes);
+ if (adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD))
+ return -1;
+ return 0;
+}
+
+int adsi_transmit_message(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype)
+{
+ unsigned char *msgs[5] = { NULL, NULL, NULL, NULL, NULL };
+ int msglens[5];
+ int msgtypes[5];
+ int newdatamode;
+ int res;
+ int x;
+ int writeformat, readformat;
+
+ writeformat = chan->writeformat;
+ readformat = chan->readformat;
+
+ newdatamode = chan->adsicpe & ADSI_FLAG_DATAMODE;
+
+ for (x=0;x<msglen;x+=(msg[x+1]+2)) {
+ if (msg[x] == ADSI_SWITCH_TO_DATA)
+ newdatamode = ADSI_FLAG_DATAMODE;
+
+ if (msg[x] == ADSI_SWITCH_TO_VOICE)
+ newdatamode = 0;
+ }
+ msgs[0] = msg;
+
+ msglens[0] = msglen;
+ msgtypes[0] = msgtype;
+
+ if (msglen > 253) {
+ ast_log(LOG_WARNING, "Can't send ADSI message of %d bytes, too large\n", msglen);
+ return -1;
+ }
+
+ ast_stopstream(chan);
+
+ if (ast_set_write_format(chan, AST_FORMAT_ULAW)) {
+ ast_log(LOG_WARNING, "Unable to set write format to ULAW\n");
+ return -1;
+ }
+
+ if (ast_set_read_format(chan, AST_FORMAT_ULAW)) {
+ ast_log(LOG_WARNING, "Unable to set read format to ULAW\n");
+ if (writeformat) {
+ if (ast_set_write_format(chan, writeformat))
+ ast_log(LOG_WARNING, "Unable to restore write format to %d\n", writeformat);
+ }
+ return -1;
+ }
+ res = __adsi_transmit_messages(chan, msgs, msglens, msgtypes);
+ if (!res)
+ chan->adsicpe = (chan->adsicpe & ~ADSI_FLAG_DATAMODE) | newdatamode;
+
+ if (writeformat)
+ ast_set_write_format(chan, writeformat);
+ if (readformat)
+ ast_set_read_format(chan, readformat);
+
+ return res;
+}
+
+static inline int ccopy(unsigned char *dst, unsigned char *src, int max)
+{
+ int x=0;
+ /* Carefully copy the requested data */
+ while ((x < max) && src[x] && (src[x] != 0xff)) {
+ dst[x] = src[x];
+ x++;
+ }
+ return x;
+}
+
+int adsi_load_soft_key(unsigned char *buf, int key, unsigned char *llabel, unsigned char *slabel, unsigned char *ret, int data)
+{
+ int bytes=0;
+
+ /* Abort if invalid key specified */
+ if ((key < 2) || (key > 33))
+ return -1;
+ buf[bytes++] = ADSI_LOAD_SOFTKEY;
+ /* Reserve for length */
+ bytes++;
+ /* Which key */
+ buf[bytes++] = key;
+
+ /* Carefully copy long label */
+ bytes += ccopy(buf + bytes, llabel, 18);
+
+ /* Place delimiter */
+ buf[bytes++] = 0xff;
+
+ /* Short label */
+ bytes += ccopy(buf + bytes, slabel, 7);
+
+
+ /* If specified, copy return string */
+ if (ret) {
+ /* Place delimiter */
+ buf[bytes++] = 0xff;
+ if (data)
+ buf[bytes++] = ADSI_SWITCH_TO_DATA2;
+ /* Carefully copy return string */
+ bytes += ccopy(buf + bytes, ret, 20);
+
+ }
+ /* Replace parameter length */
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_connect_session(unsigned char *buf, unsigned char *fdn, int ver)
+{
+ int bytes=0;
+ int x;
+
+ /* Message type */
+ buf[bytes++] = ADSI_CONNECT_SESSION;
+
+ /* Reserve space for length */
+ bytes++;
+
+ if (fdn) {
+ for (x=0;x<4;x++)
+ buf[bytes++] = fdn[x];
+ if (ver > -1)
+ buf[bytes++] = ver & 0xff;
+ }
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_download_connect(unsigned char *buf, unsigned char *service, unsigned char *fdn, unsigned char *sec, int ver)
+{
+ int bytes=0;
+ int x;
+
+ /* Message type */
+ buf[bytes++] = ADSI_DOWNLOAD_CONNECT;
+
+ /* Reserve space for length */
+ bytes++;
+
+ /* Primary column */
+ bytes+= ccopy(buf + bytes, service, 18);
+
+ /* Delimiter */
+ buf[bytes++] = 0xff;
+
+ for (x=0;x<4;x++)
+ buf[bytes++] = fdn[x];
+ for (x=0;x<4;x++)
+ buf[bytes++] = sec[x];
+ if (ver > -1)
+ buf[bytes++] = ver & 0xff;
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_disconnect_session(unsigned char *buf)
+{
+ int bytes=0;
+
+ /* Message type */
+ buf[bytes++] = ADSI_DISC_SESSION;
+
+ /* Reserve space for length */
+ bytes++;
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_data_mode(unsigned char *buf)
+{
+ int bytes=0;
+
+ /* Message type */
+ buf[bytes++] = ADSI_SWITCH_TO_DATA;
+
+ /* Reserve space for length */
+ bytes++;
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_voice_mode(unsigned char *buf, int when)
+{
+ int bytes=0;
+
+ /* Message type */
+ buf[bytes++] = ADSI_SWITCH_TO_VOICE;
+
+ /* Reserve space for length */
+ bytes++;
+
+ buf[bytes++] = when & 0x7f;
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_available(struct ast_channel *chan)
+{
+ int cpe = chan->adsicpe & 0xff;
+ if ((cpe == AST_ADSI_AVAILABLE) ||
+ (cpe == AST_ADSI_UNKNOWN))
+ return 1;
+ return 0;
+}
+
+int adsi_download_disconnect(unsigned char *buf)
+{
+ int bytes=0;
+
+ /* Message type */
+ buf[bytes++] = ADSI_DOWNLOAD_DISC;
+
+ /* Reserve space for length */
+ bytes++;
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_display(unsigned char *buf, int page, int line, int just, int wrap,
+ unsigned char *col1, unsigned char *col2)
+{
+ int bytes=0;
+
+ /* Sanity check line number */
+
+ if (page) {
+ if (line > 4) return -1;
+ } else {
+ if (line > 33) return -1;
+ }
+
+ if (line < 1)
+ return -1;
+ /* Parameter type */
+ buf[bytes++] = ADSI_LOAD_VIRTUAL_DISP;
+
+ /* Reserve space for size */
+ bytes++;
+
+ /* Page and wrap indicator */
+ buf[bytes++] = ((page & 0x1) << 7) | ((wrap & 0x1) << 6) | (line & 0x3f);
+
+ /* Justification */
+ buf[bytes++] = (just & 0x3) << 5;
+
+ /* Omit highlight mode definition */
+ buf[bytes++] = 0xff;
+
+ /* Primary column */
+ bytes+= ccopy(buf + bytes, col1, 20);
+
+ /* Delimiter */
+ buf[bytes++] = 0xff;
+
+ /* Secondary column */
+ bytes += ccopy(buf + bytes, col2, 20);
+
+ /* Update length */
+ buf[1] = bytes - 2;
+
+ return bytes;
+
+}
+
+int adsi_input_control(unsigned char *buf, int page, int line, int display, int format, int just)
+{
+ int bytes=0;
+
+ if (page) {
+ if (line > 4) return -1;
+ } else {
+ if (line > 33) return -1;
+ }
+
+ if (line < 1)
+ return -1;
+
+ buf[bytes++] = ADSI_INPUT_CONTROL;
+ bytes++;
+ buf[bytes++] = ((page & 1) << 7) | (line & 0x3f);
+ buf[bytes++] = ((display & 1) << 7) | ((just & 0x3) << 4) | (format & 0x7);
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+}
+
+int adsi_input_format(unsigned char *buf, int num, int dir, int wrap, unsigned char *format1, unsigned char *format2)
+{
+ int bytes = 0;
+
+ if (!strlen(format1))
+ return -1;
+
+ buf[bytes++] = ADSI_INPUT_FORMAT;
+ bytes++;
+ buf[bytes++] = ((dir & 1) << 7) | ((wrap & 1) << 6) | (num & 0x7);
+ bytes += ccopy(buf + bytes, format1, 20);
+ buf[bytes++] = 0xff;
+ if (format2 && strlen(format2)) {
+ bytes += ccopy(buf + bytes, format2, 20);
+ }
+ buf[1] = bytes - 2;
+ return bytes;
+}
+
+int adsi_set_keys(unsigned char *buf, unsigned char *keys)
+{
+ int bytes=0;
+ int x;
+ /* Message type */
+ buf[bytes++] = ADSI_INIT_SOFTKEY_LINE;
+ /* Space for size */
+ bytes++;
+ /* Key definitions */
+ for (x=0;x<6;x++)
+ buf[bytes++] = (keys[x] & 0x3f) ? keys[x] : (keys[x] | 0x1);
+ buf[1] = bytes - 2;
+ return bytes;
+}
+
+int adsi_set_line(unsigned char *buf, int page, int line)
+{
+ int bytes=0;
+
+ /* Sanity check line number */
+
+ if (page) {
+ if (line > 4) return -1;
+ } else {
+ if (line > 33) return -1;
+ }
+
+ if (line < 1)
+ return -1;
+ /* Parameter type */
+ buf[bytes++] = ADSI_LINE_CONTROL;
+
+ /* Reserve space for size */
+ bytes++;
+
+ /* Page and line */
+ buf[bytes++] = ((page & 0x1) << 7) | (line & 0x3f);
+
+ buf[1] = bytes - 2;
+ return bytes;
+
+};
+
+static int total = 0;
+static int speeds = 0;
+
+#if 0
+int adsi_channel_init(struct ast_channel *chan)
+{
+ char dsp[256];
+ char keys[256];
+ int bytes;
+ int x;
+ unsigned char *msgs[3];
+ unsigned char keyd[6];
+ int lens[3];
+ int types[3];
+ memset(dsp, 0, sizeof(dsp));
+ memset(keys, 0, sizeof(keys));
+ memset(msgs, 0, sizeof(msgs));
+
+ /* Start with initial display setup */
+ bytes = 0;
+ bytes += adsi_connect_session(dsp, NULL, -1);
+ for (x=0;x<total;x++) {
+ bytes += adsi_display(dsp + bytes, ADSI_INFO_PAGE, x + 1, aligns[x], 0,
+ strlen(intro[x]) ? intro[x] : " ", "");
+ }
+ bytes += adsi_set_line(dsp + bytes, ADSI_INFO_PAGE, 1);
+ msgs[0] = dsp;
+ lens[0] = bytes;
+ types[0] = ADSI_MSG_DISPLAY;
+
+ /* Prepare key setup messages */
+
+ if (speeds) {
+ bytes = 0;
+ memset(keyd, 0, sizeof(keyd));
+ for (x=0;x<speeds;x++) {
+ bytes += adsi_load_soft_key(keys + bytes, ADSI_SPEED_DIAL + x,
+ speeddial[x][1], speeddial[x][2], speeddial[x][0]);
+ keyd[x] = ADSI_SPEED_DIAL + x;
+ }
+ bytes += adsi_set_keys(keys + bytes, keyd);
+ msgs[1] = keys;
+ lens[1] = bytes;
+ types[1] = ADSI_MSG_DISPLAY;
+ }
+ adsi_transmit_messages(chan, msgs, lens, types);
+ return 0;
+}
+#else
+int adsi_channel_init(struct ast_channel *chan)
+{
+ char dsp[256];
+ int bytes;
+ int x;
+ unsigned char keyd[6];
+
+ memset(dsp, 0, sizeof(dsp));
+
+ /* Start with initial display setup */
+ bytes = 0;
+ bytes += adsi_connect_session(dsp, NULL, -1);
+ for (x=0;x<total;x++) {
+ bytes += adsi_display(dsp + bytes, ADSI_INFO_PAGE, x + 1, aligns[x], 0,
+ strlen(intro[x]) ? intro[x] : " ", "");
+ }
+ bytes += adsi_set_line(dsp + bytes, ADSI_INFO_PAGE, 1);
+
+ /* Prepare key setup messages */
+
+ if (speeds) {
+ memset(keyd, 0, sizeof(keyd));
+ for (x=0;x<speeds;x++) {
+ bytes += adsi_load_soft_key(dsp + bytes, ADSI_SPEED_DIAL + x,
+ speeddial[x][1], speeddial[x][2], speeddial[x][0], 0);
+ keyd[x] = ADSI_SPEED_DIAL + x;
+ }
+ bytes += adsi_set_keys(dsp + bytes, keyd);
+ }
+ adsi_transmit_message(chan, dsp, bytes, ADSI_MSG_DISPLAY);
+ return 0;
+}
+#endif
+
+int adsi_channel_restore(struct ast_channel *chan)
+{
+ char dsp[256];
+ int bytes;
+ int x;
+ unsigned char keyd[6];
+
+ memset(dsp, 0, sizeof(dsp));
+
+ /* Start with initial display setup */
+ bytes = 0;
+ bytes += adsi_set_line(dsp + bytes, ADSI_INFO_PAGE, 1);
+
+ /* Prepare key setup messages */
+
+ if (speeds) {
+ memset(keyd, 0, sizeof(keyd));
+ for (x=0;x<speeds;x++) {
+ keyd[x] = ADSI_SPEED_DIAL + x;
+ }
+ bytes += adsi_set_keys(dsp + bytes, keyd);
+ }
+ adsi_transmit_message(chan, dsp, bytes, ADSI_MSG_DISPLAY);
+ return 0;
+
+}
+
+int adsi_load_session(struct ast_channel *chan, unsigned char *app, int ver, int data)
+{
+ char dsp[256];
+ int bytes;
+ int res;
+ char resp[2];
+
+ memset(dsp, 0, sizeof(dsp));
+
+ /* Connect to session */
+ bytes = 0;
+ bytes += adsi_connect_session(dsp + bytes, app,ver);
+
+ if (data)
+ bytes += adsi_data_mode(dsp + bytes);
+
+ /* Prepare key setup messages */
+ if (adsi_transmit_message(chan, dsp, bytes, ADSI_MSG_DISPLAY))
+ return -1;
+ res = ast_readstring(chan, resp, 1, 1200, 1200, "");
+ if (res < 0)
+ return -1;
+ if (res) {
+ ast_log(LOG_DEBUG, "No response from CPE about version. Assuming not there.\n");
+ return 0;
+ }
+ if (!strcmp(resp, "B")) {
+ ast_log(LOG_DEBUG, "CPE has script '%s' version %d already loaded\n", app, ver);
+ return 1;
+ } else if (!strcmp(resp, "A")) {
+ ast_log(LOG_DEBUG, "CPE hasn't script '%s' version %d already loaded\n", app, ver);
+ } else {
+ ast_log(LOG_WARNING, "Unexpected CPE response to script query: %s\n", resp);
+ }
+ return 0;
+
+}
+
+int adsi_unload_session(struct ast_channel *chan)
+{
+ char dsp[256];
+ int bytes;
+
+ memset(dsp, 0, sizeof(dsp));
+
+ /* Connect to session */
+ bytes = 0;
+ bytes += adsi_disconnect_session(dsp + bytes);
+ bytes += adsi_voice_mode(dsp + bytes, 0);
+
+ /* Prepare key setup messages */
+ if (adsi_transmit_message(chan, dsp, bytes, ADSI_MSG_DISPLAY))
+ return -1;
+ return 0;
+}
+
+static int str2align(char *s)
+{
+ if (!strncasecmp(s, "l", 1))
+ return ADSI_JUST_LEFT;
+ else if (!strncasecmp(s, "r", 1))
+ return ADSI_JUST_RIGHT;
+ else if (!strncasecmp(s, "i", 1))
+ return ADSI_JUST_IND;
+ else
+ return ADSI_JUST_CENT;
+}
+
+static void init_state(void)
+{
+ int x;
+ for (x=0;x<ADSI_MAX_INTRO;x++)
+ aligns[x] = ADSI_JUST_CENT;
+ strcpy(intro[0], "Welcome to the");
+ strcpy(intro[1], "Asterisk");
+ strcpy(intro[2], "Open Source PBX");
+ total = 3;
+ speeds = 0;
+ for (x=3;x<ADSI_MAX_INTRO;x++)
+ strcpy(intro[x], "");
+ memset(speeddial, 0, sizeof(speeddial));
+ alignment = ADSI_JUST_CENT;
+}
+
+static void adsi_load(void)
+{
+ int x;
+ struct ast_config *conf;
+ struct ast_variable *v;
+ char *name, *sname;
+ init_state();
+ conf = ast_load("adsi.conf");
+ if (conf) {
+ x=0;
+ v = ast_variable_browse(conf, "intro");
+ while(v) {
+ if (!strcasecmp(v->name, "alignment"))
+ alignment = str2align(v->value);
+ else if (!strcasecmp(v->name, "greeting")) {
+ if (x < ADSI_MAX_INTRO) {
+ aligns[x] = alignment;
+ strncpy(intro[x], v->value, 20);
+ x++;
+ }
+ } else if (!strcasecmp(v->name, "maxretries")) {
+ if (atoi(v->value) > 0)
+ maxretries = atoi(v->value);
+ }
+ v = v->next;
+ }
+ v = ast_variable_browse(conf, "speeddial");
+ if (x)
+ total = x;
+ x = 0;
+ while(v) {
+ name = strtok(v->value, ",");
+ sname = strtok(NULL, ",");
+ if (!sname)
+ sname = name;
+ if (x < ADSI_MAX_SPEED_DIAL) {
+ /* Up to 20 digits */
+ strncpy(speeddial[x][0], v->name, 20);
+ strncpy(speeddial[x][1], name, 18);
+ strncpy(speeddial[x][2], sname, 7);
+ x++;
+ }
+ v = v->next;
+
+ }
+ if (x)
+ speeds = x;
+ ast_destroy(conf);
+ }
+}
+
+int reload(void)
+{
+ adsi_load();
+ return 0;
+}
+
+int load_module(void)
+{
+ adsi_load();
+ return 0;
+}
+
+int unload_module(void)
+{
+ /* Can't unload this once we're loaded */
+ return -1;
+}
+
+char *description(void)
+{
+ return "Call Parking Resource";
+}
+
+int usecount(void)
+{
+ /* We should never be unloaded */
+ return 1;
+}
+
+char *key()
+{
+ return ASTERISK_GPL_KEY;
+}
diff --git a/res/res_crypto.c b/res/res_crypto.c
new file mode 100755
index 000000000..8aa4e9d6e
--- /dev/null
+++ b/res/res_crypto.c
@@ -0,0 +1,633 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Provide Cryptographic Signature capability
+ *
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <asterisk/file.h>
+#include <asterisk/channel.h>
+#include <asterisk/logger.h>
+#include <asterisk/say.h>
+#include <asterisk/module.h>
+#include <asterisk/options.h>
+#include <asterisk/crypto.h>
+#include <asterisk/md5.h>
+#include <asterisk/cli.h>
+#include <asterisk/io.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <dirent.h>
+#include <string.h>
+#include <errno.h>
+#include "../asterisk.h"
+
+/*
+ * Asterisk uses RSA keys with SHA-1 message digests for its
+ * digital signatures. The choice of RSA is due to its higher
+ * throughput on verification, and the choice of SHA-1 based
+ * on the recently discovered collisions in MD5's compression
+ * algorithm and recommendations of avoiding MD5 in new schemes
+ * from various industry experts.
+ *
+ * We use OpenSSL to provide our crypto routines, although we never
+ * actually use full-up SSL
+ *
+ */
+
+/*
+ * XXX This module is not very thread-safe. It is for everyday stuff
+ * like reading keys and stuff, but there are all kinds of weird
+ * races with people running reload and key init at the same time
+ * for example
+ *
+ * XXXX
+ */
+
+static char base64[64];
+static char b2a[256];
+
+static pthread_mutex_t keylock = PTHREAD_MUTEX_INITIALIZER;
+
+#define KEY_NEEDS_PASSCODE (1 << 16)
+
+struct ast_key {
+ /* Name of entity */
+ char name[80];
+ /* File name */
+ char fn[256];
+ /* Key type (AST_KEY_PUB or AST_KEY_PRIV, along with flags from above) */
+ int ktype;
+ /* RSA structure (if successfully loaded) */
+ RSA *rsa;
+ /* Whether we should be deleted */
+ int delme;
+ /* FD for input (or -1 if no input allowed, or -2 if we needed input) */
+ int infd;
+ /* FD for output */
+ int outfd;
+ /* Last MD5 Digest */
+ unsigned char digest[16];
+ struct ast_key *next;
+};
+
+static struct ast_key *keys = NULL;
+
+static int fdprint(int fd, char *s)
+{
+ return write(fd, s, strlen(s) + 1);
+}
+
+static int pw_cb(char *buf, int size, int rwflag, void *userdata)
+{
+ struct ast_key *key = (struct ast_key *)userdata;
+ char prompt[256];
+ int res;
+ int tmp;
+ if (key->infd > -1) {
+ snprintf(prompt, sizeof(prompt), ">>>> passcode for %s key '%s': ",
+ key->ktype == AST_KEY_PRIVATE ? "PRIVATE" : "PUBLIC", key->name);
+ write(key->outfd, prompt, strlen(prompt));
+ memset(buf, 0, sizeof(buf));
+ tmp = ast_hide_password(key->infd);
+ memset(buf, 0, size);
+ res = read(key->infd, buf, size);
+ ast_restore_tty(key->infd, tmp);
+ if (buf[strlen(buf) -1] == '\n')
+ buf[strlen(buf) - 1] = '\0';
+ return strlen(buf);
+ } else {
+ /* Note that we were at least called */
+ key->infd = -2;
+ }
+ return -1;
+}
+
+struct ast_key *ast_key_get(char *kname, int ktype)
+{
+ struct ast_key *key;
+ ast_pthread_mutex_lock(&keylock);
+ key = keys;
+ while(key) {
+ if (!strcmp(kname, key->name) &&
+ (ktype == key->ktype))
+ break;
+ key = key->next;
+ }
+ ast_pthread_mutex_unlock(&keylock);
+ return key;
+}
+
+static struct ast_key *try_load_key (char *dir, char *fname, int ifd, int ofd, int *not2)
+{
+ int ktype = 0;
+ char *c = NULL;
+ char ffname[256];
+ char digest[16];
+ FILE *f;
+ struct MD5Context md5;
+ struct ast_key *key;
+ static int notice = 0;
+ int found = 0;
+
+ /* Make sure its name is a public or private key */
+
+ if ((c = strstr(fname, ".pub")) && !strcmp(c, ".pub")) {
+ ktype = AST_KEY_PUBLIC;
+ } else if ((c = strstr(fname, ".key")) && !strcmp(c, ".key")) {
+ ktype = AST_KEY_PRIVATE;
+ } else
+ return NULL;
+
+ /* Get actual filename */
+ snprintf(ffname, sizeof(ffname), "%s/%s", dir, fname);
+
+ ast_pthread_mutex_lock(&keylock);
+ key = keys;
+ while(key) {
+ /* Look for an existing version already */
+ if (!strcasecmp(key->fn, ffname))
+ break;
+ key = key->next;
+ }
+ ast_pthread_mutex_unlock(&keylock);
+
+ /* Open file */
+ f = fopen(ffname, "r");
+ if (!f) {
+ ast_log(LOG_WARNING, "Unable to open key file %s: %s\n", ffname, strerror(errno));
+ return NULL;
+ }
+ MD5Init(&md5);
+ while(!feof(f)) {
+ /* Calculate a "whatever" quality md5sum of the key */
+ char buf[256];
+ fgets(buf, sizeof(buf), f);
+ if (!feof(f)) {
+ MD5Update(&md5, buf, strlen(buf));
+ }
+ }
+ MD5Final(digest, &md5);
+ if (key) {
+ /* If the MD5 sum is the same, and it isn't awaiting a passcode
+ then this is far enough */
+ if (!memcmp(digest, key->digest, 16) &&
+ !(key->ktype & KEY_NEEDS_PASSCODE)) {
+ fclose(f);
+ key->delme = 0;
+ return NULL;
+ } else {
+ /* Preserve keytype */
+ ktype = key->ktype;
+ /* Recycle the same structure */
+ found++;
+ }
+ }
+
+ /* Make fname just be the normal name now */
+ *c = '\0';
+ if (!key) {
+ key = (struct ast_key *)malloc(sizeof(struct ast_key));
+ if (!key) {
+ ast_log(LOG_WARNING, "Out of memory\n");
+ fclose(f);
+ return NULL;
+ }
+ memset(key, 0, sizeof(struct ast_key));
+ }
+ /* At this point we have a key structure (old or new). Time to
+ fill it with what we know */
+ /* Gotta lock if this one already exists */
+ if (found)
+ ast_pthread_mutex_lock(&keylock);
+ /* First the filename */
+ strncpy(key->fn, ffname, sizeof(key->fn));
+ /* Then the name */
+ strncpy(key->name, fname, sizeof(key->name));
+ key->ktype = ktype;
+ /* Yes, assume we're going to be deleted */
+ key->delme = 1;
+ /* Keep the key type */
+ memcpy(key->digest, digest, 16);
+ /* Can I/O takes the FD we're given */
+ key->infd = ifd;
+ key->outfd = ofd;
+ /* Reset the file back to the beginning */
+ rewind(f);
+ /* Now load the key with the right method */
+ if (ktype == AST_KEY_PUBLIC)
+ key->rsa = PEM_read_RSA_PUBKEY(f, NULL, pw_cb, key);
+ else
+ key->rsa = PEM_read_RSAPrivateKey(f, NULL, pw_cb, key);
+ fclose(f);
+ if (key->rsa) {
+ /* Key loaded okay */
+ key->ktype &= ~KEY_NEEDS_PASSCODE;
+ if (option_verbose > 2)
+ ast_verbose(VERBOSE_PREFIX_3 "Loaded %s key '%s'\n", key->ktype == AST_KEY_PUBLIC ? "PUBLIC" : "PRIVATE", key->name);
+ if (option_debug)
+ ast_log(LOG_DEBUG, "Key '%s' loaded OK\n", key->name);
+ key->delme = 0;
+ } else if (key->infd != -2) {
+ ast_log(LOG_WARNING, "Key load %s '%s' failed\n",key->ktype == AST_KEY_PUBLIC ? "PUBLIC" : "PRIVATE", key->name);
+ if (ofd > -1) {
+ ERR_print_errors_fp(stderr);
+ } else
+ ERR_print_errors_fp(stderr);
+ } else {
+ ast_log(LOG_NOTICE, "Key '%s' needs passcode.\n", key->name);
+ key->ktype |= KEY_NEEDS_PASSCODE;
+ if (!notice) {
+ if (!option_initcrypto)
+ ast_log(LOG_NOTICE, "Add the '-i' flag to the asterisk command line if you want to automatically initialize passcodes at launch.\n");
+ notice++;
+ }
+ /* Keep it anyway */
+ key->delme = 0;
+ /* Print final notice about "init keys" when done */
+ *not2 = 1;
+ }
+ if (found)
+ ast_pthread_mutex_unlock(&keylock);
+ if (!found) {
+ ast_pthread_mutex_lock(&keylock);
+ key->next = keys;
+ keys = key;
+ ast_pthread_mutex_unlock(&keylock);
+ }
+ return key;
+}
+
+#if 0
+
+static void dump(unsigned char *src, int len)
+{
+ int x;
+ for (x=0;x<len;x++)
+ printf("%02x", *(src++));
+ printf("\n");
+}
+
+static char *binary(int y, int len)
+{
+ static char res[80];
+ int x;
+ memset(res, 0, sizeof(res));
+ for (x=0;x<len;x++) {
+ if (y & (1 << x))
+ res[(len - x - 1)] = '1';
+ else
+ res[(len - x - 1)] = '0';
+ }
+ return res;
+}
+
+#endif
+
+static int base64decode(unsigned char *dst, char *src, int max)
+{
+ int cnt = 0;
+ unsigned int byte = 0;
+ unsigned int bits = 0;
+ int incnt = 0;
+#if 0
+ unsigned char *odst = dst;
+#endif
+ while(*src && (cnt < max)) {
+ /* Shift in 6 bits of input */
+ byte <<= 6;
+ byte |= (b2a[(int)(*src)]) & 0x3f;
+ bits += 6;
+#if 0
+ printf("Add: %c %s\n", *src, binary(b2a[(int)(*src)] & 0x3f, 6));
+#endif
+ src++;
+ incnt++;
+ /* If we have at least 8 bits left over, take that character
+ off the top */
+ if (bits >= 8) {
+ bits -= 8;
+ *dst = (byte >> bits) & 0xff;
+#if 0
+ printf("Remove: %02x %s\n", *dst, binary(*dst, 8));
+#endif
+ dst++;
+ cnt++;
+ }
+ }
+#if 0
+ dump(odst, cnt);
+#endif
+ /* Dont worry about left over bits, they're extra anyway */
+ return cnt;
+}
+
+static int base64encode(char *dst, unsigned char *src, int srclen, int max)
+{
+ int cnt = 0;
+ unsigned int byte = 0;
+ int bits = 0;
+ int index;
+ int cntin = 0;
+#if 0
+ char *odst = dst;
+ dump(src, srclen);
+#endif
+ /* Reserve one bit for end */
+ max--;
+ while((cntin < srclen) && (cnt < max)) {
+ byte <<= 8;
+#if 0
+ printf("Add: %02x %s\n", *src, binary(*src, 8));
+#endif
+ byte |= *(src++);
+ bits += 8;
+ cntin++;
+ while((bits >= 6) && (cnt < max)) {
+ bits -= 6;
+ /* We want only the top */
+ index = (byte >> bits) & 0x3f;
+ *dst = base64[index];
+#if 0
+ printf("Remove: %c %s\n", *dst, binary(index, 6));
+#endif
+ dst++;
+ cnt++;
+ }
+ }
+ if (bits && (cnt < max)) {
+ /* Add one last character for the remaining bits,
+ padding the rest with 0 */
+ byte <<= (6 - bits);
+ index = (byte) & 0x3f;
+ *(dst++) = base64[index];
+ cnt++;
+ }
+ *dst = '\0';
+ return cnt;
+}
+
+int ast_sign(struct ast_key *key, char *msg, char *sig)
+{
+ unsigned char digest[20];
+ unsigned char dsig[128];
+ int siglen = sizeof(dsig);
+ int res;
+
+ if (key->ktype != AST_KEY_PRIVATE) {
+ ast_log(LOG_WARNING, "Cannot sign with a private key\n");
+ return -1;
+ }
+
+ /* Calculate digest of message */
+ SHA1((unsigned char *)msg, strlen(msg), digest);
+
+ /* Verify signature */
+ res = RSA_sign(NID_sha1, digest, sizeof(digest), dsig, &siglen, key->rsa);
+
+ if (!res) {
+ ast_log(LOG_WARNING, "RSA Signature (key %s) failed\n", key->name);
+ return -1;
+ }
+
+ if (siglen != sizeof(dsig)) {
+ ast_log(LOG_WARNING, "Unexpected signature length %d, expecting %d\n", siglen, sizeof(dsig));
+ return -1;
+ }
+
+ /* Success -- encode (256 bytes max as documented) */
+ base64encode(sig, dsig, siglen, 256);
+ return 0;
+
+}
+
+int ast_check_signature(struct ast_key *key, char *msg, char *sig)
+{
+ unsigned char digest[20];
+ unsigned char dsig[128];
+ int res;
+
+ if (key->ktype != AST_KEY_PUBLIC) {
+ /* Okay, so of course you really *can* but for our purposes
+ we're going to say you can't */
+ ast_log(LOG_WARNING, "Cannot check message signature with a private key\n");
+ return -1;
+ }
+
+ /* Decode signature */
+ res = base64decode(dsig, sig, sizeof(dsig));
+ if (res != sizeof(dsig)) {
+ ast_log(LOG_WARNING, "Signature improper length (expect %d, got %d)\n", sizeof(dsig), res);
+ return -1;
+ }
+
+ /* Calculate digest of message */
+ SHA1((unsigned char *)msg, strlen(msg), digest);
+
+ /* Verify signature */
+ res = RSA_verify(NID_sha1, digest, sizeof(digest), dsig, sizeof(dsig), key->rsa);
+
+ if (!res) {
+ ast_log(LOG_DEBUG, "Key failed verification\n");
+ return -1;
+ }
+ /* Pass */
+ return 0;
+}
+
+static void crypto_load(int ifd, int ofd)
+{
+ struct ast_key *key, *nkey, *last;
+ DIR *dir;
+ struct dirent *ent;
+ int note = 0;
+ /* Mark all keys for deletion */
+ ast_pthread_mutex_lock(&keylock);
+ key = keys;
+ while(key) {
+ key->delme = 1;
+ key = key->next;
+ }
+ ast_pthread_mutex_unlock(&keylock);
+ /* Load new keys */
+ dir = opendir(AST_KEY_DIR);
+ if (dir) {
+ while((ent = readdir(dir))) {
+ try_load_key(AST_KEY_DIR, ent->d_name, ifd, ofd, &note);
+ }
+ closedir(dir);
+ } else
+ ast_log(LOG_WARNING, "Unable to open key directory '%s'\n", AST_KEY_DIR);
+ if (note) {
+ ast_log(LOG_NOTICE, "Please run the command 'init keys' to enter the passcodes for the keys\n");
+ }
+ ast_pthread_mutex_lock(&keylock);
+ key = keys;
+ last = NULL;
+ while(key) {
+ nkey = key->next;
+ if (key->delme) {
+ ast_log(LOG_DEBUG, "Deleting key %s type %d\n", key->name, key->ktype);
+ /* Do the delete */
+ if (last)
+ last->next = nkey;
+ else
+ keys = nkey;
+ if (key->rsa)
+ RSA_free(key->rsa);
+ free(key);
+ } else
+ last = key;
+ key = nkey;
+ }
+ ast_pthread_mutex_unlock(&keylock);
+}
+
+static void md52sum(char *sum, unsigned char *md5)
+{
+ int x;
+ for (x=0;x<16;x++)
+ sum += sprintf(sum, "%02x", *(md5++));
+}
+
+static int show_keys(int fd, int argc, char *argv[])
+{
+ struct ast_key *key;
+ char sum[16 * 2 + 1];
+
+ ast_pthread_mutex_lock(&keylock);
+ key = keys;
+ ast_cli(fd, "%-18s %-8s %-16s %-33s\n", "Key Name", "Type", "Status", "Sum");
+ while(key) {
+ md52sum(sum, key->digest);
+ ast_cli(fd, "%-18s %-8s %-16s %-33s\n", key->name,
+ (key->ktype & 0xf) == AST_KEY_PUBLIC ? "PUBLIC" : "PRIVATE",
+ key->ktype & KEY_NEEDS_PASSCODE ? "[Needs Passcode]" : "[Loaded]", sum);
+
+ key = key->next;
+ }
+ ast_pthread_mutex_unlock(&keylock);
+ return RESULT_SUCCESS;
+}
+
+static int init_keys(int fd, int argc, char *argv[])
+{
+ struct ast_key *key;
+ int ign;
+ char *kn;
+ char tmp[256];
+
+ key = keys;
+ while(key) {
+ /* Reload keys that need pass codes now */
+ if (key->ktype & KEY_NEEDS_PASSCODE) {
+ kn = key->fn + strlen(AST_KEY_DIR) + 1;
+ strncpy(tmp, kn, sizeof(tmp));
+ try_load_key(AST_KEY_DIR, tmp, fd, fd, &ign);
+ }
+ key = key->next;
+ }
+ return RESULT_SUCCESS;
+}
+
+static char show_key_usage[] =
+"Usage: show keys\n"
+" Displays information about RSA keys known by Asterisk\n";
+
+static char init_keys_usage[] =
+"Usage: init keys\n"
+" Initializes private keys (by reading in pass code from the user)\n";
+
+static struct ast_cli_entry cli_show_keys =
+{ { "show", "keys", NULL }, show_keys, "Displays RSA key information", show_key_usage };
+
+static struct ast_cli_entry cli_init_keys =
+{ { "init", "keys", NULL }, init_keys, "Initialize RSA key passcodes", init_keys_usage };
+
+static void base64_init(void)
+{
+ int x;
+ memset(b2a, -1, sizeof(b2a));
+ /* Initialize base-64 Conversion table */
+ for (x=0;x<26;x++) {
+ /* A-Z */
+ base64[x] = 'A' + x;
+ b2a['A' + x] = x;
+ /* a-z */
+ base64[x + 26] = 'a' + x;
+ b2a['a' + x] = x + 26;
+ /* 0-9 */
+ if (x < 10) {
+ base64[x + 52] = '0' + x;
+ b2a['0' + x] = x + 52;
+ }
+ }
+ base64[62] = '+';
+ base64[63] = '/';
+ b2a[(int)'+'] = 62;
+ b2a[(int)'/'] = 63;
+#if 0
+ for (x=0;x<64;x++) {
+ if (b2a[(int)base64[x]] != x) {
+ fprintf(stderr, "!!! %d failed\n", x);
+ } else
+ fprintf(stderr, "--- %d passed\n", x);
+ }
+#endif
+}
+
+static int crypto_init(void)
+{
+ base64_init();
+ SSL_library_init();
+ ERR_load_crypto_strings();
+ ast_cli_register(&cli_show_keys);
+ ast_cli_register(&cli_init_keys);
+ return 0;
+}
+
+int reload(void)
+{
+ crypto_load(-1, -1);
+ return 0;
+}
+
+int load_module(void)
+{
+ crypto_init();
+ if (option_initcrypto)
+ crypto_load(STDIN_FILENO, STDOUT_FILENO);
+ else
+ crypto_load(-1, -1);
+ return 0;
+}
+
+int unload_module(void)
+{
+ /* Can't unload this once we're loaded */
+ return -1;
+}
+
+char *description(void)
+{
+ return "Cryptographic Digital Signatures";
+}
+
+int usecount(void)
+{
+ /* We should never be unloaded */
+ return 1;
+}
+
+char *key()
+{
+ return ASTERISK_GPL_KEY;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 20:57:52 +0000