utils.h File Reference

#include <stddef.h>
#include <stdio.h>
#include "octstr.h"
#include <termios.h>

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Typedefs
typedef unsigned char	Octet
typedef unsigned long	MultibyteInt
Functions
MultibyteInt	get_variable_value (Octet *source, int *len)
int	write_variable_value (MultibyteInt value, Octet *dest)
Octet	reverse_octet (Octet source)
int	get_and_set_debugs (int argc, char **argv, int(*find_own)(int index, int argc, char **argv))
int	is_allowed_ip (Octstr *allow_ip, Octstr *deny_ip, Octstr *ip)
int	connect_denied (Octstr *allow_ip, Octstr *ip)
int	does_prefix_match (Octstr *prefix, Octstr *number)
int	normalize_number (char *dial_prefixes, Octstr **number)
long	decode_network_long (unsigned char *data)
void	encode_network_long (unsigned char *data, unsigned long value)
void	kannel_cfmakeraw (struct termios *tio)
int	gw_isdigit (int)
int	gw_isxdigit (int)
int	roundup_div (int a, int b)
unsigned long long	gw_generate_id (void)

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Typedef Documentation

typedef unsigned long MultibyteInt

Definition at line 76 of file utils.h. Referenced by get_variable_value().

typedef unsigned char Octet

Definition at line 75 of file utils.h. Referenced by OTAbitmap_create(), OTAbitmap_create_stream(), reverse_octet(), wbmp_create(), wbmp_create_stream(), and write_variable_value().

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Function Documentation

int connect_denied (  Octstr *  allow_ip, Octstr *  ip )

Definition at line 633 of file utils.c. References octstr_imm(), and pattern_list_matches_ip(). Referenced by httpsmsc_receiver(). { if (ip == NULL) return 1; /* If IP not set, allow from Localhost */ if (allow_ip == NULL) { if (pattern_list_matches_ip(octstr_imm("127.0.0.1"), ip)) return 0; } else { if (pattern_list_matches_ip(allow_ip, ip)) return 0; } return 1; }

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long decode_network_long (  unsigned char *  data  )

Definition at line 735 of file utils.c. References data. Referenced by conn_read_withlen(), parse_integer(), read_msg(), and smpp_pdu_read_len(). { return (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; }

int does_prefix_match (  Octstr *  prefix, Octstr *  number )

Definition at line 650 of file utils.c. References gw_assert, number, and octstr_get_cstr. Referenced by check_allowed_translation(), and smscconn_usable(). { /* XXX modify to use just octstr operations */ char *b, *p, *n; gw_assert(prefix != NULL); gw_assert(number != NULL); p = octstr_get_cstr(prefix); n = octstr_get_cstr(number); while (*p != '\0') { b = n; for (b = n; *b != '\0'; b++, p++) { if (*p == ';' || *p == '\0') { return 1; } if (*p != *b) break; } if (*p == ';' || *p == '\0') { return 1; } while (*p != '\0' && *p != ';') p++; while (*p == ';') p++; } return 0; }

void encode_network_long (  unsigned char *  data, unsigned long  value )

Definition at line 740 of file utils.c. References data. Referenced by append_integer(), conn_write_withlen(), and write_msg(). { data[0] = (value >> 24) & 0xff; data[1] = (value >> 16) & 0xff; data[2] = (value >> 8) & 0xff; data[3] = value & 0xff; }

int get_and_set_debugs (  int  argc, char **  argv, int(*)(int index, int argc, char **argv)  find_own )

Definition at line 434 of file utils.c. References become_daemon(), cfg_dump_all(), change_user(), GW_NON_EXCL, info(), log_close_all(), log_open(), log_set_debug_places(), log_set_output_level(), log_set_syslog(), panic, parachute_start(), pid_file, remove_pid_file(), and write_pid_file(). Referenced by main(). { int i, ret = -1; int debug_lvl = -1; int file_lvl = GW_DEBUG; char *log_file = NULL; char *debug_places = NULL; char *panic_script = NULL, *user = NULL; int parachute = 0, daemonize = 0; for (i=1; i < argc; i++) { if (strcmp(argv[i],"-v")==0 || strcmp(argv[i],"--verbosity")==0) { if (i+1 < argc) { debug_lvl = atoi(argv[i+1]); i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i],"-F")==0 || strcmp(argv[i],"--logfile")==0) { if (i+1 < argc && *(argv[i+1]) != '-') { log_file = argv[i+1]; i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i],"-V")==0 || strcmp(argv[i],"--fileverbosity")==0) { if (i+1 < argc) { file_lvl = atoi(argv[i+1]); i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i],"-D")==0 || strcmp(argv[i],"--debug")==0) { if (i+1 < argc) { debug_places = argv[i+1]; i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i], "-X")==0 || strcmp(argv[i], "--panic-script")==0) { if (i+1 < argc) { panic_script = argv[i+1]; i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i], "-P")==0 || strcmp(argv[i], "--parachute")==0) { parachute = 1; } else if (strcmp(argv[i], "-d")==0 || strcmp(argv[i], "--daemonize")==0) { daemonize = 1; } else if (strcmp(argv[i], "-p")==0 || strcmp(argv[i], "--pid-file")==0) { if (i+1 < argc) { pid_file = argv[i+1]; i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i], "-u")==0 || strcmp(argv[i], "--user")==0) { if (i+1 < argc) { user = argv[i+1]; i++; } else panic(0, "Missing argument for option %s\n", argv[i]); } else if (strcmp(argv[i], "-g")==0 || strcmp(argv[i], "--generate")==0) { cfg_dump_all(); exit(0); } else if (strcmp(argv[i],"--")==0) { i++; break; } else if (*argv[i] != '-') { break; } else { if (find_own != NULL) { ret = find_own(i, argc, argv); } if (ret < 0) { fprintf(stderr, "Unknown option %s, exiting.\n", argv[i]); panic(0, "Option parsing failed"); } else i += ret; /* advance additional args */ } } if (user && -1 == change_user(user)) panic(0, "Could not change to user `%s'.", user); /* deamonize */ if (daemonize && !become_daemon()) exit(0); if (pid_file) { write_pid_file(); atexit(remove_pid_file); } if (parachute) { /* * if we are running as daemon so open syslog * in order not to deal with i.e. log rotate. */ if (daemonize) { char *ident = strrchr(argv[0], '/'); if (!ident) ident = argv[0]; else ident++; log_set_syslog(ident, (debug_lvl > -1 ? debug_lvl : 0)); } parachute_start(argv[0], panic_script); /* now we are in child process so close syslog */ if (daemonize) log_close_all(); } if (debug_lvl > -1) log_set_output_level(debug_lvl); if (debug_places != NULL) log_set_debug_places(debug_places); if (log_file != NULL) log_open(log_file, file_lvl, GW_NON_EXCL); info(0, "Debug_lvl = %d, log_file = %s, log_lvl = %d", debug_lvl, log_file ? log_file : "<none>", file_lvl); if (debug_places != NULL) info(0, "Debug places: `%s'", debug_places); return i; }

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MultibyteInt get_variable_value (  Octet *  source, int *  len )

Definition at line 385 of file utils.c. References MultibyteInt. Referenced by sema_decode_msg(). { MultibyteInt retval = 0; for(*len=1;; (*len)++, source++) { retval = retval * 0x80 + (*source & 0x7F); if (*source < 0x80) /* if the continue-bit (high bit) is not set */ break; } return retval; }

unsigned long long gw_generate_id (  void   )

Definition at line 813 of file utils.c. References gw_rand(). { /* create a 64 bit unique Id by putting a 32 bit epoch time value * and a 32 bit random value together */ unsigned long random, timer; random = gw_rand(); timer = (unsigned long)time(NULL); return ((unsigned long long)timer << 32) + random; }

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int gw_isdigit (  int   )

Definition at line 788 of file utils.c. Referenced by convert_addr_from_pdu(), date_parse_iso(), get_originator_type(), handle_dlr(), handle_pdu(), msg_to_cgwop(), msg_to_emimsg(), msg_to_pdu(), pack_parameter(), packet_check_header(), packet_check_parameter(), and run_batch(). { return isdigit(c); }

int gw_isxdigit (  int   )

Definition at line 794 of file utils.c. Referenced by octstr_hex_to_binary(), octstr_is_all_hex(), octstr_symbolize(), packet_check(), and packet_check_parameter(). { return isxdigit(c); }

int is_allowed_ip (  Octstr *  allow_ip, Octstr *  deny_ip, Octstr *  ip )

Definition at line 615 of file utils.c. References octstr_len(), and pattern_list_matches_ip(). Referenced by accept_boxc(), authorise_username(), cgw_listener(), emi2_listener(), fake_listener(), get_data(), httpadmin_run(), main(), and udp_receiver(). { if (ip == NULL) return 0; if (octstr_len(deny_ip) == 0) return 1; if (allow_ip != NULL && pattern_list_matches_ip(allow_ip, ip)) return 1; if (pattern_list_matches_ip(deny_ip, ip)) return 0; return 1; }

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void kannel_cfmakeraw (  struct termios *  tio  )

Definition at line 751 of file utils.c. Referenced by at2_open_device(), at_dial(), and X28_open_data_link(). { /* Block until a charactor is available, but it only needs to be one*/ tio->c_cc[VMIN] = 1; tio->c_cc[VTIME] = 0; /* GNU cfmakeraw sets these flags so we had better too...*/ /* Control modes */ /* Mask out character size (CSIZE), then set it to 8 bits (CS8). * Enable parity bit generation in both directions (PARENB). */ tio->c_cflag &= ~(CSIZE|PARENB); tio->c_cflag |= CS8; /* Input Flags,*/ /* Turn off all input flags that interfere with the byte stream: * BRKINT - generate SIGINT when receiving BREAK, ICRNL - translate * NL to CR, IGNCR - ignore CR, IGNBRK - ignore BREAK, * INLCR - translate NL to CR, IXON - use XON/XOFF flow control, * ISTRIP - strip off eighth bit. */ tio->c_iflag &= ~(BRKINT|ICRNL|IGNCR|IGNBRK|INLCR|IXON|ISTRIP); /* Other flags,*/ /* Turn off all local flags that interpret the byte stream: * ECHO - echo input chars, ECHONL - always echo NL even if ECHO is off, * ICANON - enable canonical mode (basically line-oriented mode), * IEXTEN - enable implementation-defined input processing, * ISIG - generate signals when certain characters are received. */ tio->c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); /* Output flags,*/ /* Disable implementation defined processing on the output stream*/ tio->c_oflag &= ~OPOST; }

int normalize_number (  char *  dial_prefixes, Octstr **  number )

Definition at line 682 of file utils.c. References gw_assert, number, octstr_create_from_data, octstr_destroy(), octstr_get_cstr, octstr_insert_data(), and octstr_len(). Referenced by bb_smscconn_receive(), radius_acct_get_msisdn(), smsc2_rout(), and smscconn_send(). { char *t, *p, *official, *start; int len, official_len; if (dial_prefixes == NULL || dial_prefixes[0] == '\0') return 0; t = official = dial_prefixes; official_len = 0; gw_assert(number != NULL); while(1) { p = octstr_get_cstr(*number); for(start = t, len = 0; ; t++, p++, len++) { if (*t == ',' || *t == ';' || *t == '\0') { if (start != official) { Octstr *nstr; long n; if ( official[0] == '-' ) official_len=0; n = official_len; if (strlen(official) < (size_t) n) n = strlen(official); nstr = octstr_create_from_data(official, n); octstr_insert_data(nstr, official_len, octstr_get_cstr(*number) + len, octstr_len(*number) - len); octstr_destroy(*number); *number = nstr; } return 1; } if (*p == '\0' || *t != *p) break; /* not matching */ } for(; *t != ',' && *t != ';' && *t != '\0'; t++, len++) ; if (*t == '\0') break; if (start == official) official_len = len; if (*t == ';') official = t+1; t++; } return 0; }

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Octet reverse_octet (  Octet  source  )

Definition at line 418 of file utils.c. References Octet. Referenced by OTAbitmap_create(), and wbmp_create(). { Octet dest; dest = (source & 1) <<7; dest += (source & 2) <<5; dest += (source & 4) <<3; dest += (source & 8) <<1; dest += (source & 16) >>1; dest += (source & 32) >>3; dest += (source & 64) >>5; dest += (source & 128) >>7; return dest; }

int roundup_div (  int  a, int  b )

Definition at line 801 of file utils.c. { int t; t = a / b; if (t * b != a) t += 1; return t; }

int write_variable_value (  MultibyteInt  value, Octet *  dest )

Definition at line 398 of file utils.c. References Octet. Referenced by sema_encode_msg(), sema_submit_result(), and wbmp_create_stream(). { int i, loc = 0; Octet revbuffer[20]; /* we write it backwards */ for (;;) { revbuffer[loc++] = (value & 0x7F) + 0x80; if (value >= 0x80) value = value >> 7; else break; } for(i=0; i < loc; i++) /* reverse the buffer */ dest[i] = revbuffer[loc-i-1]; dest[loc-1] &= 0x7F; /* remove trailer-bit from last */ return loc; }

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