FreeCalypso > hg > osmo-playpen
annotate smsc-daemon/record_mo.c @ 5:cef4677a4cf8
smsc-daemon: the starting program is called osmo-euse-demo
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 25 Aug 2023 14:07:41 -0800 |
parents | 8680979baeb1 |
children | dfe99a061249 |
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1 /* |
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2 * This C module is part of proto-smsc-daemon concoction, a prototype/test |
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3 * implementation of a GSUP-based GSM SMSC. It is based on the osmo-euse-demo |
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4 * program from OsmoHLR package. |
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5 * |
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6 * proto-smsc-daemon author: Mychaela N. Falconia <falcon@freecalypso.org>, |
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7 * no copyright. |
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8 * |
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9 * osmo-euse-demo author: Harald Welte <laforge@gnumonks.org>, (C) 2018, AGPL3+ |
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10 */ |
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11 |
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12 #include <ctype.h> |
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13 #include <string.h> |
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14 #include <stdio.h> |
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15 #include <stdlib.h> |
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16 #include <errno.h> |
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17 #include <signal.h> |
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18 #include <time.h> |
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19 |
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20 #include <osmocom/core/msgb.h> |
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21 #include <osmocom/core/select.h> |
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22 #include <osmocom/core/application.h> |
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23 #include <osmocom/core/utils.h> |
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24 #include <osmocom/core/logging.h> |
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25 |
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26 #include <osmocom/gsm/gsup.h> |
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27 #include <osmocom/gsm/gsm48_ie.h> |
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28 |
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29 #include <osmocom/gsupclient/gsup_client.h> |
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30 |
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31 #include "logging.h" |
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32 |
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33 extern FILE *smsc_log_file; |
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34 |
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35 static void format_addr(char *ie_name, enum osmo_gsup_sms_sm_rp_oda_t type, |
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36 size_t len, const uint8_t *data) |
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37 { |
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38 int skip_byte; |
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39 uint8_t lv_buf[255]; |
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40 char decode_buf[520]; |
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41 |
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42 fprintf(smsc_log_file, "%s: ", ie_name); |
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43 switch (type) { |
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44 case OSMO_GSUP_SMS_SM_RP_ODA_IMSI: |
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45 fputs("IMSI ", smsc_log_file); |
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46 skip_byte = 0; |
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47 break; |
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48 case OSMO_GSUP_SMS_SM_RP_ODA_MSISDN: |
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49 fprintf(smsc_log_file, "MSISDN TON=%u NPI=%u ", |
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50 (data[0] & 0x70) >> 4, data[0] & 0x0F); |
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51 skip_byte = 1; |
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52 break; |
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53 case OSMO_GSUP_SMS_SM_RP_ODA_SMSC_ADDR: |
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54 fprintf(smsc_log_file, "SMSC TON=%u NPI=%u ", |
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55 (data[0] & 0x70) >> 4, data[0] & 0x0F); |
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56 skip_byte = 1; |
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57 break; |
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58 case OSMO_GSUP_SMS_SM_RP_ODA_NULL: |
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59 fputs("NULL\n", smsc_log_file); |
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60 return; |
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61 default: |
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62 fputs("Invalid!\n", smsc_log_file); |
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63 return; |
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64 } |
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65 OSMO_ASSERT(len >= 1 && len <= 254); |
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66 lv_buf[0] = len - skip_byte; |
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67 memcpy(lv_buf + 1, data + skip_byte, len - skip_byte); |
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68 gsm48_decode_bcd_number2(decode_buf, sizeof decode_buf, |
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69 lv_buf, sizeof lv_buf, 0); |
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70 fprintf(smsc_log_file, "%s\n", decode_buf[0] ? decode_buf : "<empty>"); |
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71 } |
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72 |
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73 void record_mo_sm(struct osmo_gsup_message *gmsg) |
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74 { |
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75 time_t curtime; |
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76 struct tm *tm; |
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77 const uint8_t *dp, *endp; |
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78 |
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79 time(&curtime); |
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80 tm = gmtime(&curtime); |
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81 fprintf(smsc_log_file, "\n%d-%02d-%02dT%02d:%02d:%02dZ Rx MO SM\n", |
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82 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, |
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83 tm->tm_hour, tm->tm_min, tm->tm_sec); |
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84 fprintf(smsc_log_file, "IMSI: %s\n", gmsg->imsi); |
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85 fprintf(smsc_log_file, "SM-RP-MR: 0x%02X\n", gmsg->sm_rp_mr); |
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86 format_addr("SM-RP-DA", gmsg->sm_rp_da_type, gmsg->sm_rp_da_len, |
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87 gmsg->sm_rp_da); |
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88 format_addr("SM-RP-OA", gmsg->sm_rp_oa_type, gmsg->sm_rp_oa_len, |
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89 gmsg->sm_rp_oa); |
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90 fprintf(smsc_log_file, "SM-RP-UI: %u bytes\n", gmsg->sm_rp_ui_len); |
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91 dp = gmsg->sm_rp_ui; |
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92 endp = dp + gmsg->sm_rp_ui_len; |
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93 while (dp < endp) |
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94 fprintf(smsc_log_file, "%02X", *dp++); |
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95 putc('\n', smsc_log_file); |
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96 } |