diff options
Diffstat (limited to '1.4.23-rc4/apps/app_sms.c')
| -rw-r--r-- | 1.4.23-rc4/apps/app_sms.c | 1538 |
1 files changed, 0 insertions, 1538 deletions
diff --git a/1.4.23-rc4/apps/app_sms.c b/1.4.23-rc4/apps/app_sms.c deleted file mode 100644 index cd445456e..000000000 --- a/1.4.23-rc4/apps/app_sms.c +++ /dev/null @@ -1,1538 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 2004 - 2005, Adrian Kennard, rights assigned to Digium - * - * 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 SMS application - ETSI ES 201 912 protocol 1 implimentation - * \ingroup applications - * - * \author Adrian Kennard - */ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <dirent.h> -#include <ctype.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include "asterisk/lock.h" -#include "asterisk/file.h" -#include "asterisk/logger.h" -#include "asterisk/options.h" -#include "asterisk/channel.h" -#include "asterisk/pbx.h" -#include "asterisk/module.h" -#include "asterisk/alaw.h" -#include "asterisk/callerid.h" - -/* output using Alaw rather than linear */ -/* #define OUTALAW */ - -/* ToDo */ -/* Add full VP support */ -/* Handle status report messages (generation and reception) */ -/* Time zones on time stamps */ -/* user ref field */ - -static volatile unsigned char message_ref; /* arbitary message ref */ -static volatile unsigned int seq; /* arbitrary message sequence number for unqiue files */ - -static char log_file[255]; -static char spool_dir[255]; - -static char *app = "SMS"; - -static char *synopsis = "Communicates with SMS service centres and SMS capable analogue phones"; - -static char *descrip = - " SMS(name|[a][s]): SMS handles exchange of SMS data with a call to/from SMS capabale\n" - "phone or SMS PSTN service center. Can send and/or receive SMS messages.\n" - "Works to ETSI ES 201 912 compatible with BT SMS PSTN service in UK\n" - "Typical usage is to use to handle called from the SMS service centre CLI,\n" - "or to set up a call using 'outgoing' or manager interface to connect\n" - "service centre to SMS()\n" - "name is the name of the queue used in /var/spool/asterisk/sms\n" - "Arguments:\n" - " a: answer, i.e. send initial FSK packet.\n" - " s: act as service centre talking to a phone.\n" - "Messages are processed as per text file message queues.\n" - "smsq (a separate software) is a command to generate message\n" - "queues and send messages.\n"; - -static signed short wave[] = { - 0, 392, 782, 1167, 1545, 1913, 2270, 2612, 2939, 3247, 3536, 3802, 4045, 4263, 4455, 4619, 4755, 4862, 4938, 4985, - 5000, 4985, 4938, 4862, 4755, 4619, 4455, 4263, 4045, 3802, 3536, 3247, 2939, 2612, 2270, 1913, 1545, 1167, 782, 392, - 0, -392, -782, -1167, - -1545, -1913, -2270, -2612, -2939, -3247, -3536, -3802, -4045, -4263, -4455, -4619, -4755, -4862, -4938, -4985, -5000, - -4985, -4938, -4862, - -4755, -4619, -4455, -4263, -4045, -3802, -3536, -3247, -2939, -2612, -2270, -1913, -1545, -1167, -782, -392 -}; - -#ifdef OUTALAW -static unsigned char wavea[80]; -#endif - - -/* SMS 7 bit character mapping to UCS-2 */ -static const unsigned short defaultalphabet[] = { - 0x0040, 0x00A3, 0x0024, 0x00A5, 0x00E8, 0x00E9, 0x00F9, 0x00EC, - 0x00F2, 0x00E7, 0x000A, 0x00D8, 0x00F8, 0x000D, 0x00C5, 0x00E5, - 0x0394, 0x005F, 0x03A6, 0x0393, 0x039B, 0x03A9, 0x03A0, 0x03A8, - 0x03A3, 0x0398, 0x039E, 0x00A0, 0x00C6, 0x00E6, 0x00DF, 0x00C9, - ' ', '!', '"', '#', 164, '%', '&', 39, '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', - 161, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 196, 214, 209, 220, 167, - 191, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 228, 246, 241, 252, 224, -}; - -static const unsigned short escapes[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x000C, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0x005E, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0x007B, 0x007D, 0, 0, 0, 0, 0, 0x005C, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x005B, 0x007E, 0x005D, 0, - 0x007C, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0x20AC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -}; - -#define SMSLEN 160 /* max SMS length */ - -typedef struct sms_s -{ - unsigned char hangup; /* we are done... */ - unsigned char err; /* set for any errors */ - unsigned char smsc:1; /* we are SMSC */ - unsigned char rx:1; /* this is a received message */ - char queue[30]; /* queue name */ - char oa[20]; /* originating address */ - char da[20]; /* destination address */ - time_t scts; /* time stamp, UTC */ - unsigned char pid; /* protocol ID */ - unsigned char dcs; /* data coding scheme */ - short mr; /* message reference - actually a byte, but usde -1 for not set */ - int udl; /* user data length */ - int udhl; /* user data header length */ - unsigned char srr:1; /* Status Report request */ - unsigned char udhi:1; /* User Data Header required, even if length 0 */ - unsigned char rp:1; /* Reply Path */ - unsigned int vp; /* validity period in minutes, 0 for not set */ - unsigned short ud[SMSLEN]; /* user data (message), UCS-2 coded */ - unsigned char udh[SMSLEN]; /* user data header */ - char cli[20]; /* caller ID */ - unsigned char ophase; /* phase (0-79) for 0 and 1 frequencies (1300Hz and 2100Hz) */ - unsigned char ophasep; /* phase (0-79) for 1200 bps */ - unsigned char obyte; /* byte being sent */ - unsigned int opause; /* silent pause before sending (in sample periods) */ - unsigned char obitp; /* bit in byte */ - unsigned char osync; /* sync bits to send */ - unsigned char obytep; /* byte in data */ - unsigned char obyten; /* bytes in data */ - unsigned char omsg[256]; /* data buffer (out) */ - unsigned char imsg[200]; /* data buffer (in) */ - signed long long ims0, - imc0, - ims1, - imc1; /* magnitude averages sin/cos 0/1 */ - unsigned int idle; - unsigned short imag; /* signal level */ - unsigned char ips0, - ips1, - ipc0, - ipc1; /* phase sin/cos 0/1 */ - unsigned char ibitl; /* last bit */ - unsigned char ibitc; /* bit run length count */ - unsigned char iphasep; /* bit phase (0-79) for 1200 bps */ - unsigned char ibitn; /* bit number in byte being received */ - unsigned char ibytev; /* byte value being received */ - unsigned char ibytep; /* byte pointer in messafe */ - unsigned char ibytec; /* byte checksum for message */ - unsigned char ierr; /* error flag */ - unsigned char ibith; /* history of last bits */ - unsigned char ibitt; /* total of 1's in last 3 bites */ - /* more to go here */ -} sms_t; - -/* different types of encoding */ -#define is7bit(dcs) (((dcs)&0xC0)?(!((dcs)&4)):(!((dcs)&12))) -#define is8bit(dcs) (((dcs)&0xC0)?(((dcs)&4)):(((dcs)&12)==4)) -#define is16bit(dcs) (((dcs)&0xC0)?0:(((dcs)&12)==8)) - -static void *sms_alloc (struct ast_channel *chan, void *params) -{ - return params; -} - -static void sms_release (struct ast_channel *chan, void *data) -{ - return; -} - -static void sms_messagetx (sms_t * h); - -/*! \brief copy number, skipping non digits apart from leading + */ -static void numcpy (char *d, char *s) -{ - if (*s == '+') - *d++ = *s++; - while (*s) { - if (isdigit (*s)) - *d++ = *s; - s++; - } - *d = 0; -} - -/*! \brief static, return a date/time in ISO format */ -static char * isodate (time_t t) -{ - static char date[20]; - strftime (date, sizeof (date), "%Y-%m-%dT%H:%M:%S", localtime (&t)); - return date; -} - -/*! \brief reads next UCS character from null terminated UTF-8 string and advanced pointer */ -/* for non valid UTF-8 sequences, returns character as is */ -/* Does not advance pointer for null termination */ -static long utf8decode (unsigned char **pp) -{ - unsigned char *p = *pp; - if (!*p) - return 0; /* null termination of string */ - (*pp)++; - if (*p < 0xC0) - return *p; /* ascii or continuation character */ - if (*p < 0xE0) { - if (*p < 0xC2 || (p[1] & 0xC0) != 0x80) - return *p; /* not valid UTF-8 */ - (*pp)++; - return ((*p & 0x1F) << 6) + (p[1] & 0x3F); - } - if (*p < 0xF0) { - if ((*p == 0xE0 && p[1] < 0xA0) || (p[1] & 0xC0) != 0x80 || (p[2] & 0xC0) != 0x80) - return *p; /* not valid UTF-8 */ - (*pp) += 2; - return ((*p & 0x0F) << 12) + ((p[1] & 0x3F) << 6) + (p[2] & 0x3F); - } - if (*p < 0xF8) { - if ((*p == 0xF0 && p[1] < 0x90) || (p[1] & 0xC0) != 0x80 || (p[2] & 0xC0) != 0x80 || (p[3] & 0xC0) != 0x80) - return *p; /* not valid UTF-8 */ - (*pp) += 3; - return ((*p & 0x07) << 18) + ((p[1] & 0x3F) << 12) + ((p[2] & 0x3F) << 6) + (p[3] & 0x3F); - } - if (*p < 0xFC) { - if ((*p == 0xF8 && p[1] < 0x88) || (p[1] & 0xC0) != 0x80 || (p[2] & 0xC0) != 0x80 || (p[3] & 0xC0) != 0x80 - || (p[4] & 0xC0) != 0x80) - return *p; /* not valid UTF-8 */ - (*pp) += 4; - return ((*p & 0x03) << 24) + ((p[1] & 0x3F) << 18) + ((p[2] & 0x3F) << 12) + ((p[3] & 0x3F) << 6) + (p[4] & 0x3F); - } - if (*p < 0xFE) { - if ((*p == 0xFC && p[1] < 0x84) || (p[1] & 0xC0) != 0x80 || (p[2] & 0xC0) != 0x80 || (p[3] & 0xC0) != 0x80 - || (p[4] & 0xC0) != 0x80 || (p[5] & 0xC0) != 0x80) - return *p; /* not valid UTF-8 */ - (*pp) += 5; - return ((*p & 0x01) << 30) + ((p[1] & 0x3F) << 24) + ((p[2] & 0x3F) << 18) + ((p[3] & 0x3F) << 12) + ((p[4] & 0x3F) << 6) + (p[5] & 0x3F); - } - return *p; /* not sensible */ -} - -/*! \brief takes a binary header (udhl bytes at udh) and UCS-2 message (udl characters at ud) and packs in to o using SMS 7 bit character codes */ -/* The return value is the number of septets packed in to o, which is internally limited to SMSLEN */ -/* o can be null, in which case this is used to validate or count only */ -/* if the input contains invalid characters then the return value is -1 */ -static int packsms7 (unsigned char *o, int udhl, unsigned char *udh, int udl, unsigned short *ud) -{ - unsigned char p = 0, b = 0, n = 0; - - if (udhl) { /* header */ - if (o) - o[p++] = udhl; - b = 1; - n = 1; - while (udhl--) { - if (o) - o[p++] = *udh++; - b += 8; - while (b >= 7) { - b -= 7; - n++; - } - if (n >= SMSLEN) - return n; - } - if (b) { - b = 7 - b; - if (++n >= SMSLEN) - return n; - }; /* filling to septet boundary */ - } - if (o) - o[p] = 0; - /* message */ - while (udl--) { - long u; - unsigned char v; - u = *ud++; - for (v = 0; v < 128 && defaultalphabet[v] != u; v++); - if (v == 128 && u && n + 1 < SMSLEN) { - for (v = 0; v < 128 && escapes[v] != u; v++); - if (v < 128) { /* escaped sequence */ - if (o) - o[p] |= (27 << b); - b += 7; - if (b >= 8) { - b -= 8; - p++; - if (o) - o[p] = (27 >> (7 - b)); - } - n++; - } - } - if (v == 128) - return -1; /* invalid character */ - if (o) - o[p] |= (v << b); - b += 7; - if (b >= 8) { - b -= 8; - p++; - if (o) - o[p] = (v >> (7 - b)); - } - if (++n >= SMSLEN) - return n; - } - return n; -} - -/*! \brief takes a binary header (udhl bytes at udh) and UCS-2 message (udl characters at ud) and packs in to o using 8 bit character codes */ -/* The return value is the number of bytes packed in to o, which is internally limited to 140 */ -/* o can be null, in which case this is used to validate or count only */ -/* if the input contains invalid characters then the return value is -1 */ -static int packsms8 (unsigned char *o, int udhl, unsigned char *udh, int udl, unsigned short *ud) -{ - unsigned char p = 0; - - /* header - no encoding */ - if (udhl) { - if (o) - o[p++] = udhl; - while (udhl--) { - if (o) - o[p++] = *udh++; - if (p >= 140) - return p; - } - } - while (udl--) { - long u; - u = *ud++; - if (u < 0 || u > 0xFF) - return -1; /* not valid */ - if (o) - o[p++] = u; - if (p >= 140) - return p; - } - return p; -} - -/*! \brief takes a binary header (udhl bytes at udh) and UCS-2 - message (udl characters at ud) and packs in to o using 16 bit - UCS-2 character codes - The return value is the number of bytes packed in to o, which is - internally limited to 140 - o can be null, in which case this is used to validate or count - only if the input contains invalid characters then - the return value is -1 */ -static int packsms16 (unsigned char *o, int udhl, unsigned char *udh, int udl, unsigned short *ud) -{ - unsigned char p = 0; - /* header - no encoding */ - if (udhl) { - if (o) - o[p++] = udhl; - while (udhl--) { - if (o) - o[p++] = *udh++; - if (p >= 140) - return p; - } - } - while (udl--) { - long u; - u = *ud++; - if (o) - o[p++] = (u >> 8); - if (p >= 140) - return p - 1; /* could not fit last character */ - if (o) - o[p++] = u; - if (p >= 140) - return p; - } - return p; -} - -/*! \brief general pack, with length and data, - returns number of bytes of target used */ -static int packsms (unsigned char dcs, unsigned char *base, unsigned int udhl, unsigned char *udh, int udl, unsigned short *ud) -{ - unsigned char *p = base; - if (udl) { - int l = 0; - if (is7bit (dcs)) { /* 7 bit */ - l = packsms7 (p + 1, udhl, udh, udl, ud); - if (l < 0) - l = 0; - *p++ = l; - p += (l * 7 + 7) / 8; - } else if (is8bit (dcs)) { /* 8 bit */ - l = packsms8 (p + 1, udhl, udh, udl, ud); - if (l < 0) - l = 0; - *p++ = l; - p += l; - } else { /* UCS-2 */ - l = packsms16 (p + 1, udhl, udh, udl, ud); - if (l < 0) - l = 0; - *p++ = l; - p += l; - } - } else - *p++ = 0; /* no user data */ - return p - base; -} - - -/*! \brief pack a date and return */ -static void packdate (unsigned char *o, time_t w) -{ - struct tm *t = localtime (&w); -#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined( __NetBSD__ ) || defined(__APPLE__) - int z = -t->tm_gmtoff / 60 / 15; -#else - int z = timezone / 60 / 15; -#endif - *o++ = ((t->tm_year % 10) << 4) + (t->tm_year % 100) / 10; - *o++ = (((t->tm_mon + 1) % 10) << 4) + (t->tm_mon + 1) / 10; - *o++ = ((t->tm_mday % 10) << 4) + t->tm_mday / 10; - *o++ = ((t->tm_hour % 10) << 4) + t->tm_hour / 10; - *o++ = ((t->tm_min % 10) << 4) + t->tm_min / 10; - *o++ = ((t->tm_sec % 10) << 4) + t->tm_sec / 10; - if (z < 0) - *o++ = (((-z) % 10) << 4) + (-z) / 10 + 0x08; - else - *o++ = ((z % 10) << 4) + z / 10; -} - -/*! \brief unpack a date and return */ -static time_t unpackdate (unsigned char *i) -{ - struct tm t; - t.tm_year = 100 + (i[0] & 0xF) * 10 + (i[0] >> 4); - t.tm_mon = (i[1] & 0xF) * 10 + (i[1] >> 4) - 1; - t.tm_mday = (i[2] & 0xF) * 10 + (i[2] >> 4); - t.tm_hour = (i[3] & 0xF) * 10 + (i[3] >> 4); - t.tm_min = (i[4] & 0xF) * 10 + (i[4] >> 4); - t.tm_sec = (i[5] & 0xF) * 10 + (i[5] >> 4); - t.tm_isdst = 0; - if (i[6] & 0x08) - t.tm_min += 15 * ((i[6] & 0x7) * 10 + (i[6] >> 4)); - else - t.tm_min -= 15 * ((i[6] & 0x7) * 10 + (i[6] >> 4)); - return ast_mktime(&t, NULL); -} - -/*! \brief unpacks bytes (7 bit encoding) at i, len l septets, - and places in udh and ud setting udhl and udl. udh not used - if udhi not set */ -static void unpacksms7 (unsigned char *i, unsigned char l, unsigned char *udh, int *udhl, unsigned short *ud, int *udl, char udhi) -{ - unsigned char b = 0, p = 0; - unsigned short *o = ud; - *udhl = 0; - if (udhi && l) { /* header */ - int h = i[p]; - *udhl = h; - if (h) { - b = 1; - p++; - l--; - while (h-- && l) { - *udh++ = i[p++]; - b += 8; - while (b >= 7) { - b -= 7; - l--; - if (!l) - break; - } - } - /* adjust for fill, septets */ - if (b) { - b = 7 - b; - l--; - } - } - } - while (l--) { - unsigned char v; - if (b < 2) - v = ((i[p] >> b) & 0x7F); - else - v = ((((i[p] >> b) + (i[p + 1] << (8 - b)))) & 0x7F); - b += 7; - if (b >= 8) { - b -= 8; - p++; - } - if (o > ud && o[-1] == 0x00A0 && escapes[v]) - o[-1] = escapes[v]; - else - *o++ = defaultalphabet[v]; - } - *udl = (o - ud); -} - -/*! \brief unpacks bytes (8 bit encoding) at i, len l septets, - and places in udh and ud setting udhl and udl. udh not used - if udhi not set */ -static void unpacksms8 (unsigned char *i, unsigned char l, unsigned char *udh, int *udhl, unsigned short *ud, int *udl, char udhi) -{ - unsigned short *o = ud; - *udhl = 0; - if (udhi) { - int n = *i; - *udhl = n; - if (n) { - i++; - l--; - while (l && n) { - l--; - n--; - *udh++ = *i++; - } - } - } - while (l--) - *o++ = *i++; /* not to UTF-8 as explicitely 8 bit coding in DCS */ - *udl = (o - ud); -} - -/*! \brief unpacks bytes (16 bit encoding) at i, len l septets, - and places in udh and ud setting udhl and udl. - udh not used if udhi not set */ -static void unpacksms16 (unsigned char *i, unsigned char l, unsigned char *udh, int *udhl, unsigned short *ud, int *udl, char udhi) -{ - unsigned short *o = ud; - *udhl = 0; - if (udhi) { - int n = *i; - *udhl = n; - if (n) { - i++; - l--; - while (l && n) { - l--; - n--; - *udh++ = *i++; - } - } - } - while (l--) { - int v = *i++; - if (l--) - v = (v << 8) + *i++; - *o++ = v; - } - *udl = (o - ud); -} - -/*! \brief general unpack - starts with length byte (octet or septet) and returns number of bytes used, inc length */ -static int unpacksms (unsigned char dcs, unsigned char *i, unsigned char *udh, int *udhl, unsigned short *ud, int *udl, char udhi) -{ - int l = *i++; - if (is7bit (dcs)) { - unpacksms7 (i, l, udh, udhl, ud, udl, udhi); - l = (l * 7 + 7) / 8; /* adjust length to return */ - } else if (is8bit (dcs)) - unpacksms8 (i, l, udh, udhl, ud, udl, udhi); - else - unpacksms16 (i, l, udh, udhl, ud, udl, udhi); - return l + 1; -} - -/*! \brief unpack an address from i, return byte length, unpack to o */ -static unsigned char unpackaddress (char *o, unsigned char *i) -{ - unsigned char l = i[0], - p; - if (i[1] == 0x91) - *o++ = '+'; - for (p = 0; p < l; p++) { - if (p & 1) - *o++ = (i[2 + p / 2] >> 4) + '0'; - else - *o++ = (i[2 + p / 2] & 0xF) + '0'; - } - *o = 0; - return (l + 5) / 2; -} - -/*! \brief store an address at o, and return number of bytes used */ -static unsigned char packaddress (unsigned char *o, char *i) -{ - unsigned char p = 2; - o[0] = 0; - if (*i == '+') { - i++; - o[1] = 0x91; - } else - o[1] = 0x81; - while (*i) - if (isdigit (*i)) { - if (o[0] & 1) - o[p++] |= ((*i & 0xF) << 4); - else - o[p] = (*i & 0xF); - o[0]++; - i++; - } else - i++; - if (o[0] & 1) - o[p++] |= 0xF0; /* pad */ - return p; -} - -/*! \brief Log the output, and remove file */ -static void sms_log (sms_t * h, char status) -{ - if (*h->oa || *h->da) { - int o = open (log_file, O_CREAT | O_APPEND | O_WRONLY, 0666); - if (o >= 0) { - char line[1000], mrs[3] = "", *p; - unsigned char n; - - if (h->mr >= 0) - snprintf (mrs, sizeof (mrs), "%02X", h->mr); - snprintf (line, sizeof (line), "%s %c%c%c%s %s %s %s ", - isodate (time (0)), status, h->rx ? 'I' : 'O', h->smsc ? 'S' : 'M', mrs, h->queue, *h->oa ? h->oa : "-", - *h->da ? h->da : "-"); - p = line + strlen (line); - for (n = 0; n < h->udl; n++) - if (h->ud[n] == '\\') { - *p++ = '\\'; - *p++ = '\\'; - } else if (h->ud[n] == '\n') { - *p++ = '\\'; - *p++ = 'n'; - } else if (h->ud[n] == '\r') { - *p++ = '\\'; - *p++ = 'r'; - } else if (h->ud[n] < 32 || h->ud[n] == 127) - *p++ = 191; - else - *p++ = h->ud[n]; - *p++ = '\n'; - *p = 0; - if (write (o, line, strlen (line)) < 0) { - ast_log(LOG_WARNING, "write() failed: %s\n", strerror(errno)); - } - close (o); - } - *h->oa = *h->da = h->udl = 0; - } -} - -/*! \brief parse and delete a file */ -static void sms_readfile (sms_t * h, char *fn) -{ - char line[1000]; - FILE *s; - char dcsset = 0; /* if DSC set */ - ast_log (LOG_EVENT, "Sending %s\n", fn); - h->rx = h->udl = *h->oa = *h->da = h->pid = h->srr = h->udhi = h->rp = h->vp = h->udhl = 0; - h->mr = -1; - h->dcs = 0xF1; /* normal messages class 1 */ - h->scts = time (0); - s = fopen (fn, "r"); - if (s) - { - if (unlink (fn)) - { /* concurrent access, we lost */ - fclose (s); - return; - } - while (fgets (line, sizeof (line), s)) - { /* process line in file */ - char *p; - void *pp = &p; - for (p = line; *p && *p != '\n' && *p != '\r'; p++); - *p = 0; /* strip eoln */ - p = line; - if (!*p || *p == ';') - continue; /* blank line or comment, ignore */ - while (isalnum (*p)) - { - *p = tolower (*p); - p++; - } - while (isspace (*p)) - *p++ = 0; - if (*p == '=') - { - *p++ = 0; - if (!strcmp (line, "ud")) - { /* parse message (UTF-8) */ - unsigned char o = 0; - while (*p && o < SMSLEN) - h->ud[o++] = utf8decode(pp); - h->udl = o; - if (*p) - ast_log (LOG_WARNING, "UD too long in %s\n", fn); - } else - { - while (isspace (*p)) - p++; - if (!strcmp (line, "oa") && strlen (p) < sizeof (h->oa)) - numcpy (h->oa, p); - else if (!strcmp (line, "da") && strlen (p) < sizeof (h->oa)) - numcpy (h->da, p); - else if (!strcmp (line, "pid")) - h->pid = atoi (p); - else if (!strcmp (line, "dcs")) - { - h->dcs = atoi (p); - dcsset = 1; - } else if (!strcmp (line, "mr")) - h->mr = atoi (p); - else if (!strcmp (line, "srr")) - h->srr = (atoi (p) ? 1 : 0); - else if (!strcmp (line, "vp")) - h->vp = atoi (p); - else if (!strcmp (line, "rp")) - h->rp = (atoi (p) ? 1 : 0); - else if (!strcmp (line, "scts")) - { /* get date/time */ - int Y, - m, - d, - H, - M, - S; - if (sscanf (p, "%d-%d-%dT%d:%d:%d", &Y, &m, &d, &H, &M, &S) == 6) - { - struct tm t; - t.tm_year = Y - 1900; - t.tm_mon = m - 1; - t.tm_mday = d; - t.tm_hour = H; - t.tm_min = M; - t.tm_sec = S; - t.tm_isdst = -1; - h->scts = ast_mktime(&t, NULL); - if (h->scts == (time_t) - 1) - ast_log (LOG_WARNING, "Bad date/timein %s: %s", fn, p); - } - } else - ast_log (LOG_WARNING, "Cannot parse in %s: %s=%si\n", fn, line, p); - } - } else if (*p == '#') - { /* raw hex format */ - *p++ = 0; - if (*p == '#') - { - p++; - if (!strcmp (line, "ud")) - { /* user data */ - int o = 0; - while (*p && o < SMSLEN) - { - if (isxdigit (*p) && isxdigit (p[1]) && isxdigit (p[2]) && isxdigit (p[3])) - { - h->ud[o++] = - (((isalpha (*p) ? 9 : 0) + (*p & 0xF)) << 12) + - (((isalpha (p[1]) ? 9 : 0) + (p[1] & 0xF)) << 8) + - (((isalpha (p[2]) ? 9 : 0) + (p[2] & 0xF)) << 4) + ((isalpha (p[3]) ? 9 : 0) + (p[3] & 0xF)); - p += 4; - } else - break; - } - h->udl = o; - if (*p) - ast_log (LOG_WARNING, "UD too long / invalid UCS-2 hex in %s\n", fn); - } else - ast_log (LOG_WARNING, "Only ud can use ## format, %s\n", fn); - } else if (!strcmp (line, "ud")) - { /* user data */ - int o = 0; - while (*p && o < SMSLEN) - { - if (isxdigit (*p) && isxdigit (p[1])) - { - h->ud[o++] = (((isalpha (*p) ? 9 : 0) + (*p & 0xF)) << 4) + ((isalpha (p[1]) ? 9 : 0) + (p[1] & 0xF)); - p += 2; - } else - break; - } - h->udl = o; - if (*p) - ast_log (LOG_WARNING, "UD too long / invalid UCS-1 hex in %s\n", fn); - } else if (!strcmp (line, "udh")) - { /* user data header */ - unsigned char o = 0; - h->udhi = 1; - while (*p && o < SMSLEN) - { - if (isxdigit (*p) && isxdigit (p[1])) - { - h->udh[o] = (((isalpha (*p) ? 9 : 0) + (*p & 0xF)) << 4) + ((isalpha (p[1]) ? 9 : 0) + (p[1] & 0xF)); - o++; - p += 2; - } else - break; - } - h->udhl = o; - if (*p) - ast_log (LOG_WARNING, "UDH too long / invalid hex in %s\n", fn); - } else - ast_log (LOG_WARNING, "Only ud and udh can use # format, %s\n", fn); - } else - ast_log (LOG_WARNING, "Cannot parse in %s: %s\n", fn, line); - } - fclose (s); - if (!dcsset && packsms7 (0, h->udhl, h->udh, h->udl, h->ud) < 0) - { - if (packsms8 (0, h->udhl, h->udh, h->udl, h->ud) < 0) - { - if (packsms16 (0, h->udhl, h->udh, h->udl, h->ud) < 0) - ast_log (LOG_WARNING, "Invalid UTF-8 message even for UCS-2 (%s)\n", fn); - else - { - h->dcs = 0x08; /* default to 16 bit */ - ast_log (LOG_WARNING, "Sending in 16 bit format (%s)\n", fn); - } - } else - { - h->dcs = 0xF5; /* default to 8 bit */ - ast_log (LOG_WARNING, "Sending in 8 bit format (%s)\n", fn); - } - } - if (is7bit (h->dcs) && packsms7 (0, h->udhl, h->udh, h->udl, h->ud) < 0) - ast_log (LOG_WARNING, "Invalid 7 bit GSM data %s\n", fn); - if (is8bit (h->dcs) && packsms8 (0, h->udhl, h->udh, h->udl, h->ud) < 0) - ast_log (LOG_WARNING, "Invalid 8 bit data %s\n", fn); - if (is16bit (h->dcs) && packsms16 (0, h->udhl, h->udh, h->udl, h->ud) < 0) - ast_log (LOG_WARNING, "Invalid 16 bit data %s\n", fn); - } -} - -/*! \brief white a received text message to a file */ -static void sms_writefile (sms_t * h) -{ - char fn[200] = "", fn2[200] = ""; - FILE *o; - ast_copy_string (fn, spool_dir, sizeof (fn)); - mkdir (fn, 0777); /* ensure it exists */ - snprintf (fn + strlen (fn), sizeof (fn) - strlen (fn), "/%s", h->smsc ? h->rx ? "morx" : "mttx" : h->rx ? "mtrx" : "motx"); - mkdir (fn, 0777); /* ensure it exists */ - ast_copy_string (fn2, fn, sizeof (fn2)); - snprintf (fn2 + strlen (fn2), sizeof (fn2) - strlen (fn2), "/%s.%s-%d", h->queue, isodate (h->scts), seq++); - snprintf (fn + strlen (fn), sizeof (fn) - strlen (fn), "/.%s", fn2 + strlen (fn) + 1); - o = fopen (fn, "w"); - if (o) { - if (*h->oa) - fprintf (o, "oa=%s\n", h->oa); - if (*h->da) - fprintf (o, "da=%s\n", h->da); - if (h->udhi) { - unsigned int p; - fprintf (o, "udh#"); - for (p = 0; p < h->udhl; p++) - fprintf (o, "%02X", h->udh[p]); - fprintf (o, "\n"); - } - if (h->udl) { - unsigned int p; - for (p = 0; p < h->udl && h->ud[p] >= ' '; p++); - if (p < h->udl) - fputc (';', o); /* cannot use ud=, but include as a comment for human readable */ - fprintf (o, "ud="); - for (p = 0; p < h->udl; p++) { - unsigned short v = h->ud[p]; - if (v < 32) - fputc (191, o); - else if (v < 0x80) - fputc (v, o); - else if (v < 0x800) - { - fputc (0xC0 + (v >> 6), o); - fputc (0x80 + (v & 0x3F), o); - } else - { - fputc (0xE0 + (v >> 12), o); - fputc (0x80 + ((v >> 6) & 0x3F), o); - fputc (0x80 + (v & 0x3F), o); - } - } - fprintf (o, "\n"); - for (p = 0; p < h->udl && h->ud[p] >= ' '; p++); - if (p < h->udl) { - for (p = 0; p < h->udl && h->ud[p] < 0x100; p++); - if (p == h->udl) { /* can write in ucs-1 hex */ - fprintf (o, "ud#"); - for (p = 0; p < h->udl; p++) - fprintf (o, "%02X", h->ud[p]); - fprintf (o, "\n"); - } else { /* write in UCS-2 */ - fprintf (o, "ud##"); - for (p = 0; p < h->udl; p++) - fprintf (o, "%04X", h->ud[p]); - fprintf (o, "\n"); - } - } - } - if (h->scts) - fprintf (o, "scts=%s\n", isodate (h->scts)); - if (h->pid) - fprintf (o, "pid=%d\n", h->pid); - if (h->dcs != 0xF1) - fprintf (o, "dcs=%d\n", h->dcs); - if (h->vp) - fprintf (o, "vp=%d\n", h->vp); - if (h->srr) - fprintf (o, "srr=1\n"); - if (h->mr >= 0) - fprintf (o, "mr=%d\n", h->mr); - if (h->rp) - fprintf (o, "rp=1\n"); - fclose (o); - if (rename (fn, fn2)) - unlink (fn); - else - ast_log (LOG_EVENT, "Received to %s\n", fn2); - } -} - -/*! \brief read dir skipping dot files... */ -static struct dirent *readdirqueue (DIR * d, char *queue) -{ - struct dirent *f; - do { - f = readdir (d); - } while (f && (*f->d_name == '.' || strncmp (f->d_name, queue, strlen (queue)) || f->d_name[strlen (queue)] != '.')); - return f; -} - -/*! \brief handle the incoming message */ -static unsigned char sms_handleincoming (sms_t * h) -{ - unsigned char p = 3; - if (h->smsc) { /* SMSC */ - if ((h->imsg[2] & 3) == 1) { /* SMS-SUBMIT */ - h->udhl = h->udl = 0; - h->vp = 0; - h->srr = ((h->imsg[2] & 0x20) ? 1 : 0); - h->udhi = ((h->imsg[2] & 0x40) ? 1 : 0); - h->rp = ((h->imsg[2] & 0x80) ? 1 : 0); - ast_copy_string (h->oa, h->cli, sizeof (h->oa)); - h->scts = time (0); - h->mr = h->imsg[p++]; - p += unpackaddress (h->da, h->imsg + p); - h->pid = h->imsg[p++]; - h->dcs = h->imsg[p++]; - if ((h->imsg[2] & 0x18) == 0x10) { /* relative VP */ - if (h->imsg[p] < 144) - h->vp = (h->imsg[p] + 1) * 5; - else if (h->imsg[p] < 168) - h->vp = 720 + (h->imsg[p] - 143) * 30; - else if (h->imsg[p] < 197) - h->vp = (h->imsg[p] - 166) * 1440; - else - h->vp = (h->imsg[p] - 192) * 10080; - p++; - } else if (h->imsg[2] & 0x18) - p += 7; /* ignore enhanced / absolute VP */ - p += unpacksms (h->dcs, h->imsg + p, h->udh, &h->udhl, h->ud, &h->udl, h->udhi); - h->rx = 1; /* received message */ - sms_writefile (h); /* write the file */ - if (p != h->imsg[1] + 2) { - ast_log (LOG_WARNING, "Mismatch receive unpacking %d/%d\n", p, h->imsg[1] + 2); - return 0xFF; /* duh! */ - } - } else { - ast_log (LOG_WARNING, "Unknown message type %02X\n", h->imsg[2]); - return 0xFF; - } - } else { /* client */ - if (!(h->imsg[2] & 3)) { /* SMS-DELIVER */ - *h->da = h->srr = h->rp = h->vp = h->udhi = h->udhl = h->udl = 0; - h->srr = ((h->imsg[2] & 0x20) ? 1 : 0); - h->udhi = ((h->imsg[2] & 0x40) ? 1 : 0); - h->rp = ((h->imsg[2] & 0x80) ? 1 : 0); - h->mr = -1; - p += unpackaddress (h->oa, h->imsg + p); - h->pid = h->imsg[p++]; - h->dcs = h->imsg[p++]; - h->scts = unpackdate (h->imsg + p); - p += 7; - p += unpacksms (h->dcs, h->imsg + p, h->udh, &h->udhl, h->ud, &h->udl, h->udhi); - h->rx = 1; /* received message */ - sms_writefile (h); /* write the file */ - if (p != h->imsg[1] + 2) { - ast_log (LOG_WARNING, "Mismatch receive unpacking %d/%d\n", p, h->imsg[1] + 2); - return 0xFF; /* duh! */ - } - } else { - ast_log (LOG_WARNING, "Unknown message type %02X\n", h->imsg[2]); - return 0xFF; - } - } - return 0; /* no error */ -} - -#ifdef SOLARIS -#define NAME_MAX 1024 -#endif - -/*! \brief find and fill in next message, or send a REL if none waiting */ -static void sms_nextoutgoing (sms_t * h) -{ - char fn[100 + NAME_MAX] = ""; - DIR *d; - char more = 0; - ast_copy_string (fn, spool_dir, sizeof (fn)); - mkdir (fn, 0777); /* ensure it exists */ - h->rx = 0; /* outgoing message */ - snprintf (fn + strlen (fn), sizeof (fn) - strlen (fn), "/%s", h->smsc ? "mttx" : "motx"); - mkdir (fn, 0777); /* ensure it exists */ - d = opendir (fn); - if (d) { - struct dirent *f = readdirqueue (d, h->queue); - if (f) { - snprintf (fn + strlen (fn), sizeof (fn) - strlen (fn), "/%s", f->d_name); - sms_readfile (h, fn); - if (readdirqueue (d, h->queue)) - more = 1; /* more to send */ - } - closedir (d); - } - if (*h->da || *h->oa) { /* message to send */ - unsigned char p = 2; - h->omsg[0] = 0x91; /* SMS_DATA */ - if (h->smsc) { /* deliver */ - h->omsg[p++] = (more ? 4 : 0) + ((h->udhl > 0) ? 0x40 : 0); - p += packaddress (h->omsg + p, h->oa); - h->omsg[p++] = h->pid; - h->omsg[p++] = h->dcs; - packdate (h->omsg + p, h->scts); - p += 7; - p += packsms (h->dcs, h->omsg + p, h->udhl, h->udh, h->udl, h->ud); - } else { /* submit */ - h->omsg[p++] = - 0x01 + (more ? 4 : 0) + (h->srr ? 0x20 : 0) + (h->rp ? 0x80 : 0) + (h->vp ? 0x10 : 0) + (h->udhi ? 0x40 : 0); - if (h->mr < 0) - h->mr = message_ref++; - h->omsg[p++] = h->mr; - p += packaddress (h->omsg + p, h->da); - h->omsg[p++] = h->pid; - h->omsg[p++] = h->dcs; - if (h->vp) { /* relative VP */ - if (h->vp < 720) - h->omsg[p++] = (h->vp + 4) / 5 - 1; - else if (h->vp < 1440) - h->omsg[p++] = (h->vp - 720 + 29) / 30 + 143; - else if (h->vp < 43200) - h->omsg[p++] = (h->vp + 1439) / 1440 + 166; - else if (h->vp < 635040) - h->omsg[p++] = (h->vp + 10079) / 10080 + 192; - else - h->omsg[p++] = 255; /* max */ - } - p += packsms (h->dcs, h->omsg + p, h->udhl, h->udh, h->udl, h->ud); - } - h->omsg[1] = p - 2; - sms_messagetx (h); - } else { /* no message */ - h->omsg[0] = 0x94; /* SMS_REL */ - h->omsg[1] = 0; - sms_messagetx (h); - } -} - -static void sms_debug (char *dir, unsigned char *msg) -{ - char txt[259 * 3 + 1], - *p = txt; /* always long enough */ - int n = msg[1] + 3, - q = 0; - while (q < n && q < 30) { - sprintf (p, " %02X", msg[q++]); - p += 3; - } - if (q < n) - sprintf (p, "..."); - if (option_verbose > 2) - ast_verbose (VERBOSE_PREFIX_3 "SMS %s%s\n", dir, txt); -} - -static void sms_messagerx(sms_t * h) -{ - sms_debug ("RX", h->imsg); - /* testing */ - switch (h->imsg[0]) { - case 0x91: /* SMS_DATA */ - { - unsigned char cause = sms_handleincoming (h); - if (!cause) { - sms_log (h, 'Y'); - h->omsg[0] = 0x95; /* SMS_ACK */ - h->omsg[1] = 0x02; - h->omsg[2] = 0x00; /* deliver report */ - h->omsg[3] = 0x00; /* no parameters */ - } else { /* NACK */ - sms_log (h, 'N'); - h->omsg[0] = 0x96; /* SMS_NACK */ - h->omsg[1] = 3; - h->omsg[2] = 0; /* delivery report */ - h->omsg[3] = cause; /* cause */ - h->omsg[4] = 0; /* no parameters */ - } - sms_messagetx (h); - } - break; - case 0x92: /* SMS_ERROR */ - h->err = 1; - sms_messagetx (h); /* send whatever we sent again */ - break; - case 0x93: /* SMS_EST */ - sms_nextoutgoing (h); - break; - case 0x94: /* SMS_REL */ - h->hangup = 1; /* hangup */ - break; - case 0x95: /* SMS_ACK */ - sms_log (h, 'Y'); - sms_nextoutgoing (h); - break; - case 0x96: /* SMS_NACK */ - h->err = 1; - sms_log (h, 'N'); - sms_nextoutgoing (h); - break; - default: /* Unknown */ - h->omsg[0] = 0x92; /* SMS_ERROR */ - h->omsg[1] = 1; - h->omsg[2] = 3; /* unknown message type; */ - sms_messagetx (h); - break; - } -} - -static void sms_messagetx(sms_t * h) -{ - unsigned char c = 0, p; - for (p = 0; p < h->omsg[1] + 2; p++) - c += h->omsg[p]; - h->omsg[h->omsg[1] + 2] = 0 - c; - sms_debug ("TX", h->omsg); - h->obyte = 1; - h->opause = 200; - if (h->omsg[0] == 0x93) - h->opause = 2400; /* initial message delay 300ms (for BT) */ - h->obytep = 0; - h->obitp = 0; - h->osync = 80; - h->obyten = h->omsg[1] + 3; -} - -static int sms_generate (struct ast_channel *chan, void *data, int len, int samples) -{ - struct ast_frame f = { 0 }; -#define MAXSAMPLES (800) -#ifdef OUTALAW - unsigned char *buf; -#else - short *buf; -#endif -#define SAMPLE2LEN sizeof(*buf) - sms_t *h = data; - int i; - - if (samples > MAXSAMPLES) { - ast_log (LOG_WARNING, "Only doing %d samples (%d requested)\n", - MAXSAMPLES, samples); - samples = MAXSAMPLES; - } - len = samples * SAMPLE2LEN + AST_FRIENDLY_OFFSET; - buf = alloca(len); - - f.frametype = AST_FRAME_VOICE; -#ifdef OUTALAW - f.subclass = AST_FORMAT_ALAW; -#else - f.subclass = AST_FORMAT_SLINEAR; -#endif - f.datalen = samples * SAMPLE2LEN; - f.offset = AST_FRIENDLY_OFFSET; - f.mallocd = 0; - f.data = buf; - f.samples = samples; - f.src = "app_sms"; - /* create a buffer containing the digital sms pattern */ - for (i = 0; i < samples; i++) { -#ifdef OUTALAW - buf[i] = wavea[0]; -#else - buf[i] = wave[0]; -#endif - if (h->opause) - h->opause--; - else if (h->obyten || h->osync) { /* sending data */ -#ifdef OUTALAW - buf[i] = wavea[h->ophase]; -#else - buf[i] = wave[h->ophase]; -#endif - if ((h->ophase += ((h->obyte & 1) ? 13 : 21)) >= 80) - h->ophase -= 80; - if ((h->ophasep += 12) >= 80) { /* next bit */ - h->ophasep -= 80; - if (h->osync) - h->osync--; /* sending sync bits */ - else { - h->obyte >>= 1; - h->obitp++; - if (h->obitp == 1) - h->obyte = 0; /* start bit; */ - else if (h->obitp == 2) - h->obyte = h->omsg[h->obytep]; - else if (h->obitp == 10) { - h->obyte = 1; /* stop bit */ - h->obitp = 0; - h->obytep++; - if (h->obytep == h->obyten) { - h->obytep = h->obyten = 0; /* sent */ - h->osync = 10; /* trailing marks */ - } - } - } - } - } - } - if (ast_write (chan, &f) < 0) { - ast_log (LOG_WARNING, "Failed to write frame to '%s': %s\n", chan->name, strerror (errno)); - return -1; - } - return 0; -#undef SAMPLE2LEN -#undef MAXSAMPLES -} - -static void sms_process (sms_t * h, int samples, signed short *data) -{ - if (h->obyten || h->osync) - return; /* sending */ - while (samples--) { - unsigned long long m0, m1; - if (abs (*data) > h->imag) - h->imag = abs (*data); - else - h->imag = h->imag * 7 / 8; - if (h->imag > 500) { - h->idle = 0; - h->ims0 = (h->ims0 * 6 + *data * wave[h->ips0]) / 7; - h->imc0 = (h->imc0 * 6 + *data * wave[h->ipc0]) / 7; - h->ims1 = (h->ims1 * 6 + *data * wave[h->ips1]) / 7; - h->imc1 = (h->imc1 * 6 + *data * wave[h->ipc1]) / 7; - m0 = h->ims0 * h->ims0 + h->imc0 * h->imc0; - m1 = h->ims1 * h->ims1 + h->imc1 * h->imc1; - if ((h->ips0 += 21) >= 80) - h->ips0 -= 80; - if ((h->ipc0 += 21) >= 80) - h->ipc0 -= 80; - if ((h->ips1 += 13) >= 80) - h->ips1 -= 80; - if ((h->ipc1 += 13) >= 80) - h->ipc1 -= 80; - { - char bit; - h->ibith <<= 1; - if (m1 > m0) - h->ibith |= 1; - if (h->ibith & 8) - h->ibitt--; - if (h->ibith & 1) - h->ibitt++; - bit = ((h->ibitt > 1) ? 1 : 0); - if (bit != h->ibitl) - h->ibitc = 1; - else - h->ibitc++; - h->ibitl = bit; - if (!h->ibitn && h->ibitc == 4 && !bit) { - h->ibitn = 1; - h->iphasep = 0; - } - if (bit && h->ibitc == 200) { /* sync, restart message */ - h->ierr = h->ibitn = h->ibytep = h->ibytec = 0; - } - if (h->ibitn) { - h->iphasep += 12; - if (h->iphasep >= 80) { /* next bit */ - h->iphasep -= 80; - if (h->ibitn++ == 9) { /* end of byte */ - if (!bit) /* bad stop bit */ - h->ierr = 0xFF; /* unknown error */ - else { - if (h->ibytep < sizeof (h->imsg)) { - h->imsg[h->ibytep] = h->ibytev; - h->ibytec += h->ibytev; - h->ibytep++; - } else if (h->ibytep == sizeof (h->imsg)) - h->ierr = 2; /* bad message length */ - if (h->ibytep > 1 && h->ibytep == 3 + h->imsg[1] && !h->ierr) { - if (!h->ibytec) - sms_messagerx (h); - else - h->ierr = 1; /* bad checksum */ - } - } - h->ibitn = 0; - } - h->ibytev = (h->ibytev >> 1) + (bit ? 0x80 : 0); - } - } - } - } else { /* lost carrier */ - if (h->idle++ == 80000) { /* nothing happening */ - ast_log (LOG_EVENT, "No data, hanging up\n"); - h->hangup = 1; - h->err = 1; - } - if (h->ierr) { /* error */ - h->err = 1; - h->omsg[0] = 0x92; /* error */ - h->omsg[1] = 1; - h->omsg[2] = h->ierr; - sms_messagetx (h); /* send error */ - } - h->ierr = h->ibitn = h->ibytep = h->ibytec = 0; - } - data++; - } -} - -static struct ast_generator smsgen = { - alloc:sms_alloc, - release:sms_release, - generate:sms_generate, -}; - -static int sms_exec (struct ast_channel *chan, void *data) -{ - int res = -1; - struct ast_module_user *u; - struct ast_frame *f; - sms_t h = { 0 }; - - u = ast_module_user_add(chan); - - h.ipc0 = h.ipc1 = 20; /* phase for cosine */ - h.dcs = 0xF1; /* default */ - if (!data) { - ast_log (LOG_ERROR, "Requires queue name at least\n"); - ast_module_user_remove(u); - return -1; - } - - if (chan->cid.cid_num) - ast_copy_string (h.cli, chan->cid.cid_num, sizeof (h.cli)); - - { - unsigned char *p; - unsigned char *d = data, - answer = 0; - if (!*d || *d == '|') { - ast_log (LOG_ERROR, "Requires queue name\n"); - ast_module_user_remove(u); - return -1; - } - for (p = d; *p && *p != '|'; p++); - if (p - d >= sizeof (h.queue)) { - ast_log (LOG_ERROR, "Queue name too long\n"); - ast_module_user_remove(u); - return -1; - } - strncpy(h.queue, (char *)d, p - d); - if (*p == '|') - p++; - d = p; - for (p = (unsigned char *)h.queue; *p; p++) - if (!isalnum (*p)) - *p = '-'; /* make very safe for filenames */ - while (*d && *d != '|') { - switch (*d) { - case 'a': /* we have to send the initial FSK sequence */ - answer = 1; - break; - case 's': /* we are acting as a service centre talking to a phone */ - h.smsc = 1; - break; - /* the following apply if there is an arg3/4 and apply to the created message file */ - case 'r': - h.srr = 1; - break; - case 'o': - h.dcs |= 4; /* octets */ - break; - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': /* set the pid for saved local message */ - h.pid = 0x40 + (*d & 0xF); - break; - } - d++; - } - if (*d == '|') { - /* submitting a message, not taking call. */ - /* deprecated, use smsq instead */ - d++; - h.scts = time (0); - for (p = d; *p && *p != '|'; p++); - if (*p) - *p++ = 0; - if (strlen ((char *)d) >= sizeof (h.oa)) { - ast_log (LOG_ERROR, "Address too long %s\n", d); - return 0; - } - if (h.smsc) { - ast_copy_string (h.oa, (char *)d, sizeof (h.oa)); - } else { - ast_copy_string (h.da, (char *)d, sizeof (h.da)); - } - if (!h.smsc) - ast_copy_string (h.oa, h.cli, sizeof (h.oa)); - d = p; - h.udl = 0; - while (*p && h.udl < SMSLEN) - h.ud[h.udl++] = utf8decode(&p); - if (is7bit (h.dcs) && packsms7 (0, h.udhl, h.udh, h.udl, h.ud) < 0) - ast_log (LOG_WARNING, "Invalid 7 bit GSM data\n"); - if (is8bit (h.dcs) && packsms8 (0, h.udhl, h.udh, h.udl, h.ud) < 0) - ast_log (LOG_WARNING, "Invalid 8 bit data\n"); - if (is16bit (h.dcs) && packsms16 (0, h.udhl, h.udh, h.udl, h.ud) < 0) - ast_log (LOG_WARNING, "Invalid 16 bit data\n"); - h.rx = 0; /* sent message */ - h.mr = -1; - sms_writefile (&h); - ast_module_user_remove(u); - return 0; - } - - if (answer) { - /* set up SMS_EST initial message */ - h.omsg[0] = 0x93; - h.omsg[1] = 0; - sms_messagetx (&h); - } - } - - if (chan->_state != AST_STATE_UP) - ast_answer (chan); - -#ifdef OUTALAW - res = ast_set_write_format (chan, AST_FORMAT_ALAW); -#else - res = ast_set_write_format (chan, AST_FORMAT_SLINEAR); -#endif - if (res >= 0) - res = ast_set_read_format (chan, AST_FORMAT_SLINEAR); - if (res < 0) { - ast_log (LOG_ERROR, "Unable to set to linear mode, giving up\n"); - ast_module_user_remove(u); - return -1; - } - - if (ast_activate_generator (chan, &smsgen, &h) < 0) { - ast_log (LOG_ERROR, "Failed to activate generator on '%s'\n", chan->name); - ast_module_user_remove(u); - return -1; - } - - /* Do our thing here */ - while (ast_waitfor (chan, -1) > -1 && !h.hangup) - { - f = ast_read (chan); - if (!f) - break; - if (f->frametype == AST_FRAME_VOICE) { - sms_process (&h, f->samples, f->data); - } - - ast_frfree (f); - } - - sms_log (&h, '?'); /* log incomplete message */ - - ast_module_user_remove(u); - return (h.err); -} - -static int unload_module(void) -{ - int res; - - res = ast_unregister_application (app); - - ast_module_user_hangup_all(); - - return res; -} - -static int load_module(void) -{ -#ifdef OUTALAW - { - int p; - for (p = 0; p < 80; p++) - wavea[p] = AST_LIN2A (wave[p]); - } -#endif - snprintf (log_file, sizeof (log_file), "%s/sms", ast_config_AST_LOG_DIR); - snprintf (spool_dir, sizeof (spool_dir), "%s/sms", ast_config_AST_SPOOL_DIR); - return ast_register_application (app, sms_exec, synopsis, descrip); -} - -AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "SMS/PSTN handler"); |