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asterisk/apps/app_adsiprog.c

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Program Asterisk ADSI Scripts into phone
*
* \author Mark Spencer <markster@digium.com>
*
* \ingroup applications
*/
/*** MODULEINFO
<depend>res_adsi</depend>
<support_level>extended</support_level>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <netinet/in.h>
#include <ctype.h>
#include "asterisk/paths.h" /* use ast_config_AST_CONFIG_DIR */
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/adsi.h"
#include "asterisk/utils.h"
#include "asterisk/lock.h"
static const char app[] = "ADSIProg";
/*** DOCUMENTATION
<application name="ADSIProg" language="en_US">
<synopsis>
Load Asterisk ADSI Scripts into phone
</synopsis>
<syntax>
<parameter name="script" required="false">
<para>adsi script to use. If not given uses the default script <filename>asterisk.adsi</filename></para>
</parameter>
</syntax>
<description>
<para>This application programs an ADSI Phone with the given script</para>
</description>
<see-also>
<ref type="application">GetCPEID</ref>
<ref type="filename">adsi.conf</ref>
</see-also>
</application>
***/
/* #define DUMP_MESSAGES */
struct adsi_event {
int id;
const char *name;
};
static const struct adsi_event events[] = {
{ 1, "CALLERID" },
{ 2, "VMWI" },
{ 3, "NEARANSWER" },
{ 4, "FARANSWER" },
{ 5, "ENDOFRING" },
{ 6, "IDLE" },
{ 7, "OFFHOOK" },
{ 8, "CIDCW" },
{ 9, "BUSY" },
{ 10, "FARRING" },
{ 11, "DIALTONE" },
{ 12, "RECALL" },
{ 13, "MESSAGE" },
{ 14, "REORDER" },
{ 15, "DISTINCTIVERING" },
{ 16, "RING" },
{ 17, "REMINDERRING" },
{ 18, "SPECIALRING" },
{ 19, "CODEDRING" },
{ 20, "TIMER" },
{ 21, "INUSE" },
{ 22, "EVENT22" },
{ 23, "EVENT23" },
{ 24, "CPEID" },
};
static const struct adsi_event justify[] = {
{ 0, "CENTER" },
{ 1, "RIGHT" },
{ 2, "LEFT" },
{ 3, "INDENT" },
};
#define STATE_NORMAL 0
#define STATE_INKEY 1
#define STATE_INSUB 2
#define STATE_INIF 3
#define MAX_RET_CODE 20
#define MAX_SUB_LEN 255
#define MAX_MAIN_LEN 1600
#define ARG_STRING (1 << 0)
#define ARG_NUMBER (1 << 1)
struct adsi_soft_key {
char vname[40]; /* Which "variable" is associated with it */
int retstrlen; /* Length of return string */
int initlen; /* initial length */
int id;
int defined;
char retstr[80]; /* Return string data */
};
struct adsi_subscript {
char vname[40];
int id;
int defined;
int datalen;
int inscount;
int ifinscount;
char *ifdata;
char data[2048];
};
struct adsi_state {
char vname[40];
int id;
};
struct adsi_flag {
char vname[40];
int id;
};
struct adsi_display {
char vname[40];
int id;
char data[70];
int datalen;
};
struct adsi_script {
int state;
int numkeys;
int numsubs;
int numstates;
int numdisplays;
int numflags;
struct adsi_soft_key *key;
struct adsi_subscript *sub;
/* Pre-defined displays */
struct adsi_display displays[63];
/* ADSI States 1 (initial) - 254 */
struct adsi_state states[256];
/* Keys 2-63 */
struct adsi_soft_key keys[62];
/* Subscripts 0 (main) to 127 */
struct adsi_subscript subs[128];
/* Flags 1-7 */
struct adsi_flag flags[7];
/* Stuff from adsi script */
unsigned char sec[5];
char desc[19];
unsigned char fdn[5];
int ver;
};
static int process_token(void *out, char *src, int maxlen, int argtype)
{
if ((strlen(src) > 1) && src[0] == '\"') {
/* This is a quoted string */
if (!(argtype & ARG_STRING))
return -1;
src++;
/* Don't take more than what's there */
if (maxlen > strlen(src) - 1)
maxlen = strlen(src) - 1;
memcpy(out, src, maxlen);
((char *)out)[maxlen] = '\0';
} else if (!ast_strlen_zero(src) && (src[0] == '\\')) {
if (!(argtype & ARG_NUMBER))
return -1;
/* Octal value */
if (sscanf(src, "%30o", (int *)out) != 1)
return -1;
if (argtype & ARG_STRING) {
/* Convert */
*((unsigned int *)out) = htonl(*((unsigned int *)out));
}
} else if ((strlen(src) > 2) && (src[0] == '0') && (tolower(src[1]) == 'x')) {
if (!(argtype & ARG_NUMBER))
return -1;
/* Hex value */
if (sscanf(src + 2, "%30x", (unsigned int *)out) != 1)
return -1;
if (argtype & ARG_STRING) {
/* Convert */
*((unsigned int *)out) = htonl(*((unsigned int *)out));
}
} else if ((!ast_strlen_zero(src) && isdigit(src[0]))) {
if (!(argtype & ARG_NUMBER))
return -1;
/* Hex value */
if (sscanf(src, "%30d", (int *)out) != 1)
return -1;
if (argtype & ARG_STRING) {
/* Convert */
*((unsigned int *)out) = htonl(*((unsigned int *)out));
}
} else
return -1;
return 0;
}
static char *get_token(char **buf, const char *script, int lineno)
{
char *tmp = *buf, *keyword;
int quoted = 0;
/* Advance past any white space */
while(*tmp && (*tmp < 33))
tmp++;
if (!*tmp)
return NULL;
keyword = tmp;
while(*tmp && ((*tmp > 32) || quoted)) {
if (*tmp == '\"') {
quoted = !quoted;
}
tmp++;
}
if (quoted) {
ast_log(LOG_WARNING, "Mismatched quotes at line %d of %s\n", lineno, script);
return NULL;
}
*tmp = '\0';
tmp++;
while(*tmp && (*tmp < 33))
tmp++;
/* Note where we left off */
*buf = tmp;
return keyword;
}
static char *validdtmf = "123456789*0#ABCD";
static int send_dtmf(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char dtmfstr[80], *a;
int bytes = 0;
if (!(a = get_token(&args, script, lineno))) {
ast_log(LOG_WARNING, "Expecting something to send for SENDDTMF at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(dtmfstr, a, sizeof(dtmfstr) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid token for SENDDTMF at line %d of %s\n", lineno, script);
return 0;
}
a = dtmfstr;
while (*a) {
if (strchr(validdtmf, *a)) {
*buf = *a;
buf++;
bytes++;
} else
ast_log(LOG_WARNING, "'%c' is not a valid DTMF tone at line %d of %s\n", *a, lineno, script);
a++;
}
return bytes;
}
static int goto_line(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *page = get_token(&args, script, lineno);
char *gline = get_token(&args, script, lineno);
int line;
unsigned char cmd;
if (!page || !gline) {
ast_log(LOG_WARNING, "Expecting page and line number for GOTOLINE at line %d of %s\n", lineno, script);
return 0;
}
if (!strcasecmp(page, "INFO"))
cmd = 0;
else if (!strcasecmp(page, "COMM"))
cmd = 0x80;
else {
ast_log(LOG_WARNING, "Expecting either 'INFO' or 'COMM' page, got got '%s' at line %d of %s\n", page, lineno, script);
return 0;
}
if (process_token(&line, gline, sizeof(line), ARG_NUMBER)) {
ast_log(LOG_WARNING, "Invalid line number '%s' at line %d of %s\n", gline, lineno, script);
return 0;
}
cmd |= line;
buf[0] = 0x8b;
buf[1] = cmd;
return 2;
}
static int goto_line_rel(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *dir = get_token(&args, script, lineno);
char *gline = get_token(&args, script, lineno);
int line;
unsigned char cmd;
if (!dir || !gline) {
ast_log(LOG_WARNING, "Expecting direction and number of lines for GOTOLINEREL at line %d of %s\n", lineno, script);
return 0;
}
if (!strcasecmp(dir, "UP"))
cmd = 0;
else if (!strcasecmp(dir, "DOWN"))
cmd = 0x20;
else {
ast_log(LOG_WARNING, "Expecting either 'UP' or 'DOWN' direction, got '%s' at line %d of %s\n", dir, lineno, script);
return 0;
}
if (process_token(&line, gline, sizeof(line), ARG_NUMBER)) {
ast_log(LOG_WARNING, "Invalid line number '%s' at line %d of %s\n", gline, lineno, script);
return 0;
}
cmd |= line;
buf[0] = 0x8c;
buf[1] = cmd;
return 2;
}
static int send_delay(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *gtime = get_token(&args, script, lineno);
int ms;
if (!gtime) {
ast_log(LOG_WARNING, "Expecting number of milliseconds to wait at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(&ms, gtime, sizeof(ms), ARG_NUMBER)) {
ast_log(LOG_WARNING, "Invalid delay milliseconds '%s' at line %d of %s\n", gtime, lineno, script);
return 0;
}
buf[0] = 0x90;
if (id == 11)
buf[1] = ms / 100;
else
buf[1] = ms / 10;
return 2;
}
static int set_state(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *gstate = get_token(&args, script, lineno);
int state;
if (!gstate) {
ast_log(LOG_WARNING, "Expecting state number at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(&state, gstate, sizeof(state), ARG_NUMBER)) {
ast_log(LOG_WARNING, "Invalid state number '%s' at line %d of %s\n", gstate, lineno, script);
return 0;
}
buf[0] = id;
buf[1] = state;
return 2;
}
static int cleartimer(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
if (tok)
ast_log(LOG_WARNING, "Clearing timer requires no arguments ('%s') at line %d of %s\n", tok, lineno, script);
buf[0] = id;
/* For some reason the clear code is different slightly */
if (id == 7)
buf[1] = 0x10;
else
buf[1] = 0x00;
return 2;
}
static struct adsi_flag *getflagbyname(struct adsi_script *state, char *name, const char *script, int lineno, int create)
{
int x;
for (x = 0; x < state->numflags; x++) {
if (!strcasecmp(state->flags[x].vname, name))
return &state->flags[x];
}
/* Return now if we're not allowed to create */
if (!create)
return NULL;
if (state->numflags > 6) {
ast_log(LOG_WARNING, "No more flag space at line %d of %s\n", lineno, script);
return NULL;
}
ast_copy_string(state->flags[state->numflags].vname, name, sizeof(state->flags[state->numflags].vname));
state->flags[state->numflags].id = state->numflags + 1;
state->numflags++;
return &state->flags[state->numflags-1];
}
static int setflag(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
char sname[80];
struct adsi_flag *flag;
if (!tok) {
ast_log(LOG_WARNING, "Setting flag requires a flag number at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(sname, tok, sizeof(sname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid flag '%s' at line %d of %s\n", tok, lineno, script);
return 0;
}
if (!(flag = getflagbyname(state, sname, script, lineno, 0))) {
ast_log(LOG_WARNING, "Flag '%s' is undeclared at line %d of %s\n", sname, lineno, script);
return 0;
}
buf[0] = id;
buf[1] = ((flag->id & 0x7) << 4) | 1;
return 2;
}
static int clearflag(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
struct adsi_flag *flag;
char sname[80];
if (!tok) {
ast_log(LOG_WARNING, "Clearing flag requires a flag number at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(sname, tok, sizeof(sname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid flag '%s' at line %d of %s\n", tok, lineno, script);
return 0;
}
if (!(flag = getflagbyname(state, sname, script, lineno, 0))) {
ast_log(LOG_WARNING, "Flag '%s' is undeclared at line %d of %s\n", sname, lineno, script);
return 0;
}
buf[0] = id;
buf[1] = ((flag->id & 0x7) << 4);
return 2;
}
static int starttimer(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
int secs;
if (!tok) {
ast_log(LOG_WARNING, "Missing number of seconds at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(&secs, tok, sizeof(secs), ARG_NUMBER)) {
ast_log(LOG_WARNING, "Invalid number of seconds '%s' at line %d of %s\n", tok, lineno, script);
return 0;
}
buf[0] = id;
buf[1] = 0x1;
buf[2] = secs;
return 3;
}
static int geteventbyname(char *name)
{
int x;
for (x = 0; x < ARRAY_LEN(events); x++) {
if (!strcasecmp(events[x].name, name))
return events[x].id;
}
return 0;
}
static int getjustifybyname(char *name)
{
int x;
for (x = 0; x < ARRAY_LEN(justify); x++) {
if (!strcasecmp(justify[x].name, name))
return justify[x].id;
}
return -1;
}
static struct adsi_soft_key *getkeybyname(struct adsi_script *state, char *name, const char *script, int lineno)
{
int x;
for (x = 0; x < state->numkeys; x++) {
if (!strcasecmp(state->keys[x].vname, name))
return &state->keys[x];
}
if (state->numkeys > 61) {
ast_log(LOG_WARNING, "No more key space at line %d of %s\n", lineno, script);
return NULL;
}
ast_copy_string(state->keys[state->numkeys].vname, name, sizeof(state->keys[state->numkeys].vname));
state->keys[state->numkeys].id = state->numkeys + 2;
state->numkeys++;
return &state->keys[state->numkeys-1];
}
static struct adsi_subscript *getsubbyname(struct adsi_script *state, char *name, const char *script, int lineno)
{
int x;
for (x = 0; x < state->numsubs; x++) {
if (!strcasecmp(state->subs[x].vname, name))
return &state->subs[x];
}
if (state->numsubs > 127) {
ast_log(LOG_WARNING, "No more subscript space at line %d of %s\n", lineno, script);
return NULL;
}
ast_copy_string(state->subs[state->numsubs].vname, name, sizeof(state->subs[state->numsubs].vname));
state->subs[state->numsubs].id = state->numsubs;
state->numsubs++;
return &state->subs[state->numsubs-1];
}
static struct adsi_state *getstatebyname(struct adsi_script *state, char *name, const char *script, int lineno, int create)
{
int x;
for (x = 0; x <state->numstates; x++) {
if (!strcasecmp(state->states[x].vname, name))
return &state->states[x];
}
/* Return now if we're not allowed to create */
if (!create)
return NULL;
if (state->numstates > 253) {
ast_log(LOG_WARNING, "No more state space at line %d of %s\n", lineno, script);
return NULL;
}
ast_copy_string(state->states[state->numstates].vname, name, sizeof(state->states[state->numstates].vname));
state->states[state->numstates].id = state->numstates + 1;
state->numstates++;
return &state->states[state->numstates-1];
}
static struct adsi_display *getdisplaybyname(struct adsi_script *state, char *name, const char *script, int lineno, int create)
{
int x;
for (x = 0; x < state->numdisplays; x++) {
if (!strcasecmp(state->displays[x].vname, name))
return &state->displays[x];
}
/* Return now if we're not allowed to create */
if (!create)
return NULL;
if (state->numdisplays > 61) {
ast_log(LOG_WARNING, "No more display space at line %d of %s\n", lineno, script);
return NULL;
}
ast_copy_string(state->displays[state->numdisplays].vname, name, sizeof(state->displays[state->numdisplays].vname));
state->displays[state->numdisplays].id = state->numdisplays + 1;
state->numdisplays++;
return &state->displays[state->numdisplays-1];
}
static int showkeys(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *tok, newkey[80];
int bytes, x, flagid = 0;
unsigned char keyid[6];
struct adsi_soft_key *key;
struct adsi_flag *flag;
for (x = 0; x < 7; x++) {
/* Up to 6 key arguments */
if (!(tok = get_token(&args, script, lineno)))
break;
if (!strcasecmp(tok, "UNLESS")) {
/* Check for trailing UNLESS flag */
if (!(tok = get_token(&args, script, lineno)))
ast_log(LOG_WARNING, "Missing argument for UNLESS clause at line %d of %s\n", lineno, script);
else if (process_token(newkey, tok, sizeof(newkey) - 1, ARG_STRING))
ast_log(LOG_WARNING, "Invalid flag name '%s' at line %d of %s\n", tok, lineno, script);
else if (!(flag = getflagbyname(state, newkey, script, lineno, 0)))
ast_log(LOG_WARNING, "Flag '%s' is undeclared at line %d of %s\n", newkey, lineno, script);
else
flagid = flag->id;
if ((tok = get_token(&args, script, lineno)))
ast_log(LOG_WARNING, "Extra arguments after UNLESS clause: '%s' at line %d of %s\n", tok, lineno, script);
break;
}
if (x > 5) {
ast_log(LOG_WARNING, "Only 6 keys can be defined, ignoring '%s' at line %d of %s\n", tok, lineno, script);
break;
}
if (process_token(newkey, tok, sizeof(newkey) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid token for key name: %s\n", tok);
continue;
}
if (!(key = getkeybyname(state, newkey, script, lineno)))
break;
keyid[x] = key->id;
}
buf[0] = id;
buf[1] = (flagid & 0x7) << 3 | (x & 0x7);
for (bytes = 0; bytes < x; bytes++)
buf[bytes + 2] = keyid[bytes];
return 2 + x;
}
static int showdisplay(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *tok, dispname[80];
int line = 0, flag = 0, cmd = 3;
struct adsi_display *disp;
/* Get display */
if (!(tok = get_token(&args, script, lineno)) || process_token(dispname, tok, sizeof(dispname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid display name: %s at line %d of %s\n", tok ? tok : "<nothing>", lineno, script);
return 0;
}
if (!(disp = getdisplaybyname(state, dispname, script, lineno, 0))) {
ast_log(LOG_WARNING, "Display '%s' is undefined at line %d of %s\n", dispname, lineno, script);
return 0;
}
if (!(tok = get_token(&args, script, lineno)) || strcasecmp(tok, "AT")) {
ast_log(LOG_WARNING, "Missing token 'AT' at line %d of %s\n", lineno, script);
return 0;
}
/* Get line number */
if (!(tok = get_token(&args, script, lineno)) || process_token(&line, tok, sizeof(line), ARG_NUMBER)) {
ast_log(LOG_WARNING, "Invalid line: '%s' at line %d of %s\n", tok ? tok : "<nothing>", lineno, script);
return 0;
}
if ((tok = get_token(&args, script, lineno)) && !strcasecmp(tok, "NOUPDATE")) {
cmd = 1;
tok = get_token(&args, script, lineno);
}
if (tok && !strcasecmp(tok, "UNLESS")) {
/* Check for trailing UNLESS flag */
if (!(tok = get_token(&args, script, lineno)))
ast_log(LOG_WARNING, "Missing argument for UNLESS clause at line %d of %s\n", lineno, script);
else if (process_token(&flag, tok, sizeof(flag), ARG_NUMBER))
ast_log(LOG_WARNING, "Invalid flag number '%s' at line %d of %s\n", tok, lineno, script);
if ((tok = get_token(&args, script, lineno)))
ast_log(LOG_WARNING, "Extra arguments after UNLESS clause: '%s' at line %d of %s\n", tok, lineno, script);
}
buf[0] = id;
buf[1] = (cmd << 6) | (disp->id & 0x3f);
buf[2] = ((line & 0x1f) << 3) | (flag & 0x7);
return 3;
}
static int cleardisplay(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
if (tok)
ast_log(LOG_WARNING, "Clearing display requires no arguments ('%s') at line %d of %s\n", tok, lineno, script);
buf[0] = id;
buf[1] = 0x00;
return 2;
}
static int digitdirect(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
if (tok)
ast_log(LOG_WARNING, "Digitdirect requires no arguments ('%s') at line %d of %s\n", tok, lineno, script);
buf[0] = id;
buf[1] = 0x7;
return 2;
}
static int clearcbone(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
if (tok)
ast_log(LOG_WARNING, "CLEARCB1 requires no arguments ('%s') at line %d of %s\n", tok, lineno, script);
buf[0] = id;
buf[1] = 0;
return 2;
}
static int digitcollect(char *buf, char *name, int id, char *args, struct adsi_script *istate, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
if (tok)
ast_log(LOG_WARNING, "Digitcollect requires no arguments ('%s') at line %d of %s\n", tok, lineno, script);
buf[0] = id;
buf[1] = 0xf;
return 2;
}
static int subscript(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
char subscr[80];
struct adsi_subscript *sub;
if (!tok) {
ast_log(LOG_WARNING, "Missing subscript to call at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(subscr, tok, sizeof(subscr) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid number of seconds '%s' at line %d of %s\n", tok, lineno, script);
return 0;
}
if (!(sub = getsubbyname(state, subscr, script, lineno)))
return 0;
buf[0] = 0x9d;
buf[1] = sub->id;
return 2;
}
static int onevent(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno)
{
char *tok = get_token(&args, script, lineno);
char subscr[80], sname[80];
int sawin = 0, event, snums[8], scnt = 0, x;
struct adsi_subscript *sub;
if (!tok) {
ast_log(LOG_WARNING, "Missing event for 'ONEVENT' at line %d of %s\n", lineno, script);
return 0;
}
if ((event = geteventbyname(tok)) < 1) {
ast_log(LOG_WARNING, "'%s' is not a valid event name, at line %d of %s\n", args, lineno, script);
return 0;
}
tok = get_token(&args, script, lineno);
while ((!sawin && !strcasecmp(tok, "IN")) || (sawin && !strcasecmp(tok, "OR"))) {
sawin = 1;
if (scnt > 7) {
ast_log(LOG_WARNING, "No more than 8 states may be specified for inclusion at line %d of %s\n", lineno, script);
return 0;
}
/* Process 'in' things */
tok = get_token(&args, script, lineno);
if (process_token(sname, tok, sizeof(sname), ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid state name at line %d of %s\n", tok, lineno, script);
return 0;
}
if ((snums[scnt] = getstatebyname(state, sname, script, lineno, 0) == NULL)) {
ast_log(LOG_WARNING, "State '%s' not declared at line %d of %s\n", sname, lineno, script);
return 0;
}
scnt++;
if (!(tok = get_token(&args, script, lineno)))
break;
}
if (!tok || strcasecmp(tok, "GOTO")) {
if (!tok)
tok = "<nothing>";
if (sawin)
ast_log(LOG_WARNING, "Got '%s' while looking for 'GOTO' or 'OR' at line %d of %s\n", tok, lineno, script);
else
ast_log(LOG_WARNING, "Got '%s' while looking for 'GOTO' or 'IN' at line %d of %s\n", tok, lineno, script);
}
if (!(tok = get_token(&args, script, lineno))) {
ast_log(LOG_WARNING, "Missing subscript to call at line %d of %s\n", lineno, script);
return 0;
}
if (process_token(subscr, tok, sizeof(subscr) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Invalid subscript '%s' at line %d of %s\n", tok, lineno, script);
return 0;
}
if (!(sub = getsubbyname(state, subscr, script, lineno)))
return 0;
buf[0] = 8;
buf[1] = event;
buf[2] = sub->id | 0x80;
for (x = 0; x < scnt; x++)
buf[3 + x] = snums[x];
return 3 + scnt;
}
struct adsi_key_cmd {
char *name;
int id;
int (*add_args)(char *buf, char *name, int id, char *args, struct adsi_script *state, const char *script, int lineno);
};
static const struct adsi_key_cmd kcmds[] = {
{ "SENDDTMF", 0, send_dtmf },
/* Encoded DTMF would go here */
{ "ONHOOK", 0x81 },
{ "OFFHOOK", 0x82 },
{ "FLASH", 0x83 },
{ "WAITDIALTONE", 0x84 },
/* Send line number */
{ "BLANK", 0x86 },
{ "SENDCHARS", 0x87 },
{ "CLEARCHARS", 0x88 },
{ "BACKSPACE", 0x89 },
/* Tab column */
{ "GOTOLINE", 0x8b, goto_line },
{ "GOTOLINEREL", 0x8c, goto_line_rel },
{ "PAGEUP", 0x8d },
{ "PAGEDOWN", 0x8e },
/* Extended DTMF */
{ "DELAY", 0x90, send_delay },
{ "DIALPULSEONE", 0x91 },
{ "DATAMODE", 0x92 },
{ "VOICEMODE", 0x93 },
/* Display call buffer 'n' */
/* Clear call buffer 'n' */
{ "CLEARCB1", 0x95, clearcbone },
{ "DIGITCOLLECT", 0x96, digitcollect },
{ "DIGITDIRECT", 0x96, digitdirect },
{ "CLEAR", 0x97 },
{ "SHOWDISPLAY", 0x98, showdisplay },
{ "CLEARDISPLAY", 0x98, cleardisplay },
{ "SHOWKEYS", 0x99, showkeys },
{ "SETSTATE", 0x9a, set_state },
{ "TIMERSTART", 0x9b, starttimer },
{ "TIMERCLEAR", 0x9b, cleartimer },
{ "SETFLAG", 0x9c, setflag },
{ "CLEARFLAG", 0x9c, clearflag },
{ "GOTO", 0x9d, subscript },
{ "EVENT22", 0x9e },
{ "EVENT23", 0x9f },
{ "EXIT", 0xa0 },
};
static const struct adsi_key_cmd opcmds[] = {
/* 1 - Branch on event -- handled specially */
{ "SHOWKEYS", 2, showkeys },
/* Display Control */
{ "SHOWDISPLAY", 3, showdisplay },
{ "CLEARDISPLAY", 3, cleardisplay },
{ "CLEAR", 5 },
{ "SETSTATE", 6, set_state },
{ "TIMERSTART", 7, starttimer },
{ "TIMERCLEAR", 7, cleartimer },
{ "ONEVENT", 8, onevent },
/* 9 - Subroutine label, treated specially */
{ "SETFLAG", 10, setflag },
{ "CLEARFLAG", 10, clearflag },
{ "DELAY", 11, send_delay },
{ "EXIT", 12 },
};
static int process_returncode(struct adsi_soft_key *key, char *code, char *args, struct adsi_script *state, const char *script, int lineno)
{
int x, res;
char *unused;
for (x = 0; x < ARRAY_LEN(kcmds); x++) {
if ((kcmds[x].id > -1) && !strcasecmp(kcmds[x].name, code)) {
if (kcmds[x].add_args) {
res = kcmds[x].add_args(key->retstr + key->retstrlen,
code, kcmds[x].id, args, state, script, lineno);
if ((key->retstrlen + res - key->initlen) <= MAX_RET_CODE)
key->retstrlen += res;
else
ast_log(LOG_WARNING, "No space for '%s' code in key '%s' at line %d of %s\n", kcmds[x].name, key->vname, lineno, script);
} else {
if ((unused = get_token(&args, script, lineno)))
ast_log(LOG_WARNING, "'%s' takes no arguments at line %d of %s (token is '%s')\n", kcmds[x].name, lineno, script, unused);
if ((key->retstrlen + 1 - key->initlen) <= MAX_RET_CODE) {
key->retstr[key->retstrlen] = kcmds[x].id;
key->retstrlen++;
} else
ast_log(LOG_WARNING, "No space for '%s' code in key '%s' at line %d of %s\n", kcmds[x].name, key->vname, lineno, script);
}
return 0;
}
}
return -1;
}
static int process_opcode(struct adsi_subscript *sub, char *code, char *args, struct adsi_script *state, const char *script, int lineno)
{
int x, res, max = sub->id ? MAX_SUB_LEN : MAX_MAIN_LEN;
char *unused;
for (x = 0; x < ARRAY_LEN(opcmds); x++) {
if ((opcmds[x].id > -1) && !strcasecmp(opcmds[x].name, code)) {
if (opcmds[x].add_args) {
res = opcmds[x].add_args(sub->data + sub->datalen,
code, opcmds[x].id, args, state, script, lineno);
if ((sub->datalen + res + 1) <= max)
sub->datalen += res;
else {
ast_log(LOG_WARNING, "No space for '%s' code in subscript '%s' at line %d of %s\n", opcmds[x].name, sub->vname, lineno, script);
return -1;
}
} else {
if ((unused = get_token(&args, script, lineno)))
ast_log(LOG_WARNING, "'%s' takes no arguments at line %d of %s (token is '%s')\n", opcmds[x].name, lineno, script, unused);
if ((sub->datalen + 2) <= max) {
sub->data[sub->datalen] = opcmds[x].id;
sub->datalen++;
} else {
ast_log(LOG_WARNING, "No space for '%s' code in key '%s' at line %d of %s\n", opcmds[x].name, sub->vname, lineno, script);
return -1;
}
}
/* Separate commands with 0xff */
sub->data[sub->datalen] = 0xff;
sub->datalen++;
sub->inscount++;
return 0;
}
}
return -1;
}
static int adsi_process(struct adsi_script *state, char *buf, const char *script, int lineno)
{
char *keyword = get_token(&buf, script, lineno);
char *args, vname[256], tmp[80], tmp2[80];
int lrci, wi, event;
struct adsi_display *disp;
struct adsi_subscript *newsub;
if (!keyword)
return 0;
switch(state->state) {
case STATE_NORMAL:
if (!strcasecmp(keyword, "DESCRIPTION")) {
if ((args = get_token(&buf, script, lineno))) {
if (process_token(state->desc, args, sizeof(state->desc) - 1, ARG_STRING))
ast_log(LOG_WARNING, "'%s' is not a valid token for DESCRIPTION at line %d of %s\n", args, lineno, script);
} else
ast_log(LOG_WARNING, "Missing argument for DESCRIPTION at line %d of %s\n", lineno, script);
} else if (!strcasecmp(keyword, "VERSION")) {
if ((args = get_token(&buf, script, lineno))) {
if (process_token(&state->ver, args, sizeof(state->ver) - 1, ARG_NUMBER))
ast_log(LOG_WARNING, "'%s' is not a valid token for VERSION at line %d of %s\n", args, lineno, script);
} else
ast_log(LOG_WARNING, "Missing argument for VERSION at line %d of %s\n", lineno, script);
} else if (!strcasecmp(keyword, "SECURITY")) {
if ((args = get_token(&buf, script, lineno))) {
if (process_token(state->sec, args, sizeof(state->sec) - 1, ARG_STRING | ARG_NUMBER))
ast_log(LOG_WARNING, "'%s' is not a valid token for SECURITY at line %d of %s\n", args, lineno, script);
} else
ast_log(LOG_WARNING, "Missing argument for SECURITY at line %d of %s\n", lineno, script);
} else if (!strcasecmp(keyword, "FDN")) {
if ((args = get_token(&buf, script, lineno))) {
if (process_token(state->fdn, args, sizeof(state->fdn) - 1, ARG_STRING | ARG_NUMBER))
ast_log(LOG_WARNING, "'%s' is not a valid token for FDN at line %d of %s\n", args, lineno, script);
} else
ast_log(LOG_WARNING, "Missing argument for FDN at line %d of %s\n", lineno, script);
} else if (!strcasecmp(keyword, "KEY")) {
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "KEY definition missing name at line %d of %s\n", lineno, script);
break;
}
if (process_token(vname, args, sizeof(vname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a KEY name at line %d of %s\n", args, lineno, script);
break;
}
if (!(state->key = getkeybyname(state, vname, script, lineno))) {
ast_log(LOG_WARNING, "Out of key space at line %d of %s\n", lineno, script);
break;
}
if (state->key->defined) {
ast_log(LOG_WARNING, "Cannot redefine key '%s' at line %d of %s\n", vname, lineno, script);
break;
}
if (!(args = get_token(&buf, script, lineno)) || strcasecmp(args, "IS")) {
ast_log(LOG_WARNING, "Expecting 'IS', but got '%s' at line %d of %s\n", args ? args : "<nothing>", lineno, script);
break;
}
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "KEY definition missing short name at line %d of %s\n", lineno, script);
break;
}
if (process_token(tmp, args, sizeof(tmp) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a KEY short name at line %d of %s\n", args, lineno, script);
break;
}
if ((args = get_token(&buf, script, lineno))) {
if (strcasecmp(args, "OR")) {
ast_log(LOG_WARNING, "Expecting 'OR' but got '%s' instead at line %d of %s\n", args, lineno, script);
break;
}
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "KEY definition missing optional long name at line %d of %s\n", lineno, script);
break;
}
if (process_token(tmp2, args, sizeof(tmp2) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a KEY long name at line %d of %s\n", args, lineno, script);
break;
}
} else {
ast_copy_string(tmp2, tmp, sizeof(tmp2));
}
if (strlen(tmp2) > 18) {
ast_log(LOG_WARNING, "Truncating full name to 18 characters at line %d of %s\n", lineno, script);
tmp2[18] = '\0';
}
if (strlen(tmp) > 7) {
ast_log(LOG_WARNING, "Truncating short name to 7 bytes at line %d of %s\n", lineno, script);
tmp[7] = '\0';
}
/* Setup initial stuff */
state->key->retstr[0] = 128;
/* 1 has the length */
state->key->retstr[2] = state->key->id;
/* Put the Full name in */
memcpy(state->key->retstr + 3, tmp2, strlen(tmp2));
/* Update length */
state->key->retstrlen = strlen(tmp2) + 3;
/* Put trailing 0xff */
state->key->retstr[state->key->retstrlen++] = 0xff;
/* Put the short name */
memcpy(state->key->retstr + state->key->retstrlen, tmp, strlen(tmp));
/* Update length */
state->key->retstrlen += strlen(tmp);
/* Put trailing 0xff */
state->key->retstr[state->key->retstrlen++] = 0xff;
/* Record initial length */
state->key->initlen = state->key->retstrlen;
state->state = STATE_INKEY;
} else if (!strcasecmp(keyword, "SUB")) {
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "SUB definition missing name at line %d of %s\n", lineno, script);
break;
}
if (process_token(vname, args, sizeof(vname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a KEY name at line %d of %s\n", args, lineno, script);
break;
}
if (!(state->sub = getsubbyname(state, vname, script, lineno))) {
ast_log(LOG_WARNING, "Out of subroutine space at line %d of %s\n", lineno, script);
break;
}
if (state->sub->defined) {
ast_log(LOG_WARNING, "Cannot redefine subroutine '%s' at line %d of %s\n", vname, lineno, script);
break;
}
/* Setup sub */
state->sub->data[0] = 130;
/* 1 is the length */
state->sub->data[2] = 0x0; /* Clear extensibility bit */
state->sub->datalen = 3;
if (state->sub->id) {
/* If this isn't the main subroutine, make a subroutine label for it */
state->sub->data[3] = 9;
state->sub->data[4] = state->sub->id;
/* 5 is length */
state->sub->data[6] = 0xff;
state->sub->datalen = 7;
}
if (!(args = get_token(&buf, script, lineno)) || strcasecmp(args, "IS")) {
ast_log(LOG_WARNING, "Expecting 'IS', but got '%s' at line %d of %s\n", args ? args : "<nothing>", lineno, script);
break;
}
state->state = STATE_INSUB;
} else if (!strcasecmp(keyword, "STATE")) {
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "STATE definition missing name at line %d of %s\n", lineno, script);
break;
}
if (process_token(vname, args, sizeof(vname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a STATE name at line %d of %s\n", args, lineno, script);
break;
}
if (getstatebyname(state, vname, script, lineno, 0)) {
ast_log(LOG_WARNING, "State '%s' is already defined at line %d of %s\n", vname, lineno, script);
break;
}
getstatebyname(state, vname, script, lineno, 1);
} else if (!strcasecmp(keyword, "FLAG")) {
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "FLAG definition missing name at line %d of %s\n", lineno, script);
break;
}
if (process_token(vname, args, sizeof(vname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a FLAG name at line %d of %s\n", args, lineno, script);
break;
}
if (getflagbyname(state, vname, script, lineno, 0)) {
ast_log(LOG_WARNING, "Flag '%s' is already defined\n", vname);
break;
}
getflagbyname(state, vname, script, lineno, 1);
} else if (!strcasecmp(keyword, "DISPLAY")) {
lrci = 0;
wi = 0;
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "SUB definition missing name at line %d of %s\n", lineno, script);
break;
}
if (process_token(vname, args, sizeof(vname) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid token for a KEY name at line %d of %s\n", args, lineno, script);
break;
}
if (getdisplaybyname(state, vname, script, lineno, 0)) {
ast_log(LOG_WARNING, "State '%s' is already defined\n", vname);
break;
}
if (!(disp = getdisplaybyname(state, vname, script, lineno, 1)))
break;
if (!(args = get_token(&buf, script, lineno)) || strcasecmp(args, "IS")) {
ast_log(LOG_WARNING, "Missing 'IS' at line %d of %s\n", lineno, script);
break;
}
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "Missing Column 1 text at line %d of %s\n", lineno, script);
break;
}
if (process_token(tmp, args, sizeof(tmp) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "Token '%s' is not valid column 1 text at line %d of %s\n", args, lineno, script);
break;
}
if (strlen(tmp) > 20) {
ast_log(LOG_WARNING, "Truncating column one to 20 characters at line %d of %s\n", lineno, script);
tmp[20] = '\0';
}
memcpy(disp->data + 5, tmp, strlen(tmp));
disp->datalen = strlen(tmp) + 5;
disp->data[disp->datalen++] = 0xff;
args = get_token(&buf, script, lineno);
if (args && !process_token(tmp, args, sizeof(tmp) - 1, ARG_STRING)) {
/* Got a column two */
if (strlen(tmp) > 20) {
ast_log(LOG_WARNING, "Truncating column two to 20 characters at line %d of %s\n", lineno, script);
tmp[20] = '\0';
}
memcpy(disp->data + disp->datalen, tmp, strlen(tmp));
disp->datalen += strlen(tmp);
args = get_token(&buf, script, lineno);
}
while (args) {
if (!strcasecmp(args, "JUSTIFY")) {
args = get_token(&buf, script, lineno);
if (!args) {
ast_log(LOG_WARNING, "Qualifier 'JUSTIFY' requires an argument at line %d of %s\n", lineno, script);
break;
}
lrci = getjustifybyname(args);
if (lrci < 0) {
ast_log(LOG_WARNING, "'%s' is not a valid justification at line %d of %s\n", args, lineno, script);
break;
}
} else if (!strcasecmp(args, "WRAP")) {
wi = 0x80;
} else {
ast_log(LOG_WARNING, "'%s' is not a known qualifier at line %d of %s\n", args, lineno, script);
break;
}
args = get_token(&buf, script, lineno);
}
if (args) {
/* Something bad happened */
break;
}
disp->data[0] = 129;
disp->data[1] = disp->datalen - 2;
disp->data[2] = ((lrci & 0x3) << 6) | disp->id;
disp->data[3] = wi;
disp->data[4] = 0xff;
} else {
ast_log(LOG_WARNING, "Invalid or Unknown keyword '%s' in PROGRAM\n", keyword);
}
break;
case STATE_INKEY:
if (process_returncode(state->key, keyword, buf, state, script, lineno)) {
if (!strcasecmp(keyword, "ENDKEY")) {
/* Return to normal operation and increment current key */
state->state = STATE_NORMAL;
state->key->defined = 1;
state->key->retstr[1] = state->key->retstrlen - 2;
state->key = NULL;
} else {
ast_log(LOG_WARNING, "Invalid or Unknown keyword '%s' in SOFTKEY definition at line %d of %s\n", keyword, lineno, script);
}
}
break;
case STATE_INIF:
if (process_opcode(state->sub, keyword, buf, state, script, lineno)) {
if (!strcasecmp(keyword, "ENDIF")) {
/* Return to normal SUB operation and increment current key */
state->state = STATE_INSUB;
state->sub->defined = 1;
/* Store the proper number of instructions */
state->sub->ifdata[2] = state->sub->ifinscount;
} else if (!strcasecmp(keyword, "GOTO")) {
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "GOTO clause missing Subscript name at line %d of %s\n", lineno, script);
break;
}
if (process_token(tmp, args, sizeof(tmp) - 1, ARG_STRING)) {
ast_log(LOG_WARNING, "'%s' is not a valid subscript name token at line %d of %s\n", args, lineno, script);
break;
}
if (!(newsub = getsubbyname(state, tmp, script, lineno)))
break;
/* Somehow you use GOTO to go to another place */
state->sub->data[state->sub->datalen++] = 0x8;
state->sub->data[state->sub->datalen++] = state->sub->ifdata[1];
state->sub->data[state->sub->datalen++] = newsub->id;
/* Terminate */
state->sub->data[state->sub->datalen++] = 0xff;
/* Increment counters */
state->sub->inscount++;
state->sub->ifinscount++;
} else {
ast_log(LOG_WARNING, "Invalid or Unknown keyword '%s' in IF clause at line %d of %s\n", keyword, lineno, script);
}
} else
state->sub->ifinscount++;
break;
case STATE_INSUB:
if (process_opcode(state->sub, keyword, buf, state, script, lineno)) {
if (!strcasecmp(keyword, "ENDSUB")) {
/* Return to normal operation and increment current key */
state->state = STATE_NORMAL;
state->sub->defined = 1;
/* Store the proper length */
state->sub->data[1] = state->sub->datalen - 2;
if (state->sub->id) {
/* if this isn't main, store number of instructions, too */
state->sub->data[5] = state->sub->inscount;
}
state->sub = NULL;
} else if (!strcasecmp(keyword, "IFEVENT")) {
if (!(args = get_token(&buf, script, lineno))) {
ast_log(LOG_WARNING, "IFEVENT clause missing Event name at line %d of %s\n", lineno, script);
break;
}
if ((event = geteventbyname(args)) < 1) {
ast_log(LOG_WARNING, "'%s' is not a valid event\n", args);
break;
}
if (!(args = get_token(&buf, script, lineno)) || strcasecmp(args, "THEN")) {
ast_log(LOG_WARNING, "IFEVENT clause missing 'THEN' at line %d of %s\n", lineno, script);
break;
}
state->sub->ifinscount = 0;
state->sub->ifdata = state->sub->data + state->sub->datalen;
/* Reserve header and insert op codes */
state->sub->ifdata[0] = 0x1;
state->sub->ifdata[1] = event;
/* 2 is for the number of instructions */
state->sub->ifdata[3] = 0xff;
state->sub->datalen += 4;
/* Update Subscript instruction count */
state->sub->inscount++;
state->state = STATE_INIF;
} else {
ast_log(LOG_WARNING, "Invalid or Unknown keyword '%s' in SUB definition at line %d of %s\n", keyword, lineno, script);
}
}
break;
default:
ast_log(LOG_WARNING, "Can't process keyword '%s' in weird state %d\n", keyword, state->state);
}
return 0;
}
static struct adsi_script *compile_script(const char *script)
{
FILE *f;
char fn[256], buf[256], *c;
int lineno = 0, x, err;
struct adsi_script *scr;
if (script[0] == '/')
ast_copy_string(fn, script, sizeof(fn));
else
snprintf(fn, sizeof(fn), "%s/%s", ast_config_AST_CONFIG_DIR, script);
if (!(f = fopen(fn, "r"))) {
ast_log(LOG_WARNING, "Can't open file '%s'\n", fn);
return NULL;
}
if (!(scr = ast_calloc(1, sizeof(*scr)))) {
fclose(f);
return NULL;
}
/* Create "main" as first subroutine */
getsubbyname(scr, "main", NULL, 0);
while (!feof(f)) {
if (!fgets(buf, sizeof(buf), f)) {
continue;
}
if (!feof(f)) {
lineno++;
/* Trim off trailing return */
buf[strlen(buf) - 1] = '\0';
/* Strip comments */
if ((c = strchr(buf, ';')))
*c = '\0';
if (!ast_strlen_zero(buf))
adsi_process(scr, buf, script, lineno);
}
}
fclose(f);
/* Make sure we're in the main routine again */
switch(scr->state) {
case STATE_NORMAL:
break;
case STATE_INSUB:
ast_log(LOG_WARNING, "Missing ENDSUB at end of file %s\n", script);
ast_free(scr);
return NULL;
case STATE_INKEY:
ast_log(LOG_WARNING, "Missing ENDKEY at end of file %s\n", script);
ast_free(scr);
return NULL;
}
err = 0;
/* Resolve all keys and record their lengths */
for (x = 0; x < scr->numkeys; x++) {
if (!scr->keys[x].defined) {
ast_log(LOG_WARNING, "Key '%s' referenced but never defined in file %s\n", scr->keys[x].vname, fn);
err++;
}
}
/* Resolve all subs */
for (x = 0; x < scr->numsubs; x++) {
if (!scr->subs[x].defined) {
ast_log(LOG_WARNING, "Subscript '%s' referenced but never defined in file %s\n", scr->subs[x].vname, fn);
err++;
}
if (x == (scr->numsubs - 1)) {
/* Clear out extension bit on last message */
scr->subs[x].data[2] = 0x80;
}
}
if (err) {
ast_free(scr);
return NULL;
}
return scr;
}
#ifdef DUMP_MESSAGES
static void dump_message(char *type, char *vname, unsigned char *buf, int buflen)
{
int x;
printf("%s %s: [ ", type, vname);
for (x = 0; x < buflen; x++)
printf("%02x ", buf[x]);
printf("]\n");
}
#endif
static int adsi_prog(struct ast_channel *chan, const char *script)
{
struct adsi_script *scr;
int x, bytes;
unsigned char buf[1024];
if (!(scr = compile_script(script)))
return -1;
/* Start an empty ADSI Session */
if (ast_adsi_load_session(chan, NULL, 0, 1) < 1)
return -1;
/* Now begin the download attempt */
if (ast_adsi_begin_download(chan, scr->desc, scr->fdn, scr->sec, scr->ver)) {
/* User rejected us for some reason */
ast_verb(3, "User rejected download attempt\n");
ast_log(LOG_NOTICE, "User rejected download on channel %s\n", chan->name);
ast_free(scr);
return -1;
}
bytes = 0;
/* Start with key definitions */
for (x = 0; x < scr->numkeys; x++) {
if (bytes + scr->keys[x].retstrlen > 253) {
/* Send what we've collected so far */
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD)) {
ast_log(LOG_WARNING, "Unable to send chunk ending at %d\n", x);
return -1;
}
bytes =0;
}
memcpy(buf + bytes, scr->keys[x].retstr, scr->keys[x].retstrlen);
bytes += scr->keys[x].retstrlen;
#ifdef DUMP_MESSAGES
dump_message("Key", scr->keys[x].vname, scr->keys[x].retstr, scr->keys[x].retstrlen);
#endif
}
if (bytes) {
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD)) {
ast_log(LOG_WARNING, "Unable to send chunk ending at %d\n", x);
return -1;
}
}
bytes = 0;
/* Continue with the display messages */
for (x = 0; x < scr->numdisplays; x++) {
if (bytes + scr->displays[x].datalen > 253) {
/* Send what we've collected so far */
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD)) {
ast_log(LOG_WARNING, "Unable to send chunk ending at %d\n", x);
return -1;
}
bytes =0;
}
memcpy(buf + bytes, scr->displays[x].data, scr->displays[x].datalen);
bytes += scr->displays[x].datalen;
#ifdef DUMP_MESSAGES
dump_message("Display", scr->displays[x].vname, scr->displays[x].data, scr->displays[x].datalen);
#endif
}
if (bytes) {
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD)) {
ast_log(LOG_WARNING, "Unable to send chunk ending at %d\n", x);
return -1;
}
}
bytes = 0;
/* Send subroutines */
for (x = 0; x < scr->numsubs; x++) {
if (bytes + scr->subs[x].datalen > 253) {
/* Send what we've collected so far */
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD)) {
ast_log(LOG_WARNING, "Unable to send chunk ending at %d\n", x);
return -1;
}
bytes =0;
}
memcpy(buf + bytes, scr->subs[x].data, scr->subs[x].datalen);
bytes += scr->subs[x].datalen;
#ifdef DUMP_MESSAGES
dump_message("Sub", scr->subs[x].vname, scr->subs[x].data, scr->subs[x].datalen);
#endif
}
if (bytes) {
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DOWNLOAD)) {
ast_log(LOG_WARNING, "Unable to send chunk ending at %d\n", x);
return -1;
}
}
bytes = 0;
bytes += ast_adsi_display(buf, ADSI_INFO_PAGE, 1, ADSI_JUST_LEFT, 0, "Download complete.", "");
bytes += ast_adsi_set_line(buf, ADSI_INFO_PAGE, 1);
if (ast_adsi_transmit_message(chan, buf, bytes, ADSI_MSG_DISPLAY) < 0)
return -1;
if (ast_adsi_end_download(chan)) {
/* Download failed for some reason */
ast_verb(3, "Download attempt failed\n");
ast_log(LOG_NOTICE, "Download failed on %s\n", chan->name);
ast_free(scr);
return -1;
}
ast_free(scr);
ast_adsi_unload_session(chan);
return 0;
}
static int adsi_exec(struct ast_channel *chan, const char *data)
{
int res = 0;
if (ast_strlen_zero(data))
data = "asterisk.adsi";
if (!ast_adsi_available(chan)) {
ast_verb(3, "ADSI Unavailable on CPE. Not bothering to try.\n");
} else {
ast_verb(3, "ADSI Available on CPE. Attempting Upload.\n");
res = adsi_prog(chan, data);
}
return res;
}
static int unload_module(void)
{
return ast_unregister_application(app);
}
static int load_module(void)
{
if (ast_register_application_xml(app, adsi_exec))
return AST_MODULE_LOAD_FAILURE;
return AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Asterisk ADSI Programming Application",
.load = load_module,
.unload = unload_module,
.nonoptreq = "res_adsi",
);
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