FreeCalypso > hg > fc-pcsc-tools
diff simtool/pbupd_file.c @ 13:d4f8c511affe
simtool: pbupdate.c split into separate modules for each command
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 12 Feb 2021 01:28:53 +0000 |
parents | simtool/pbupdate.c@8a34f5b7c812 |
children | 2ef261371347 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/simtool/pbupd_file.c Fri Feb 12 01:28:53 2021 +0000 @@ -0,0 +1,236 @@ +/* + * This module implements the original read-from-file pb-update command. + */ + +#include <sys/types.h> +#include <ctype.h> +#include <string.h> +#include <strings.h> +#include <stdio.h> +#include <stdlib.h> +#include "curfile.h" + +extern u_char gsm7_encode_table[256]; + +static char * +decode_qstring_alpha(cp, record, maxlen, filename_for_errs, lineno_for_errs) + char *cp, *filename_for_errs; + u_char *record; + unsigned maxlen; +{ + unsigned acclen, nadd; + int c; + + for (acclen = 0; ; ) { + if (*cp == '\0') { +unterm_qstring: fprintf(stderr, + "%s line %d: unterminated quoted string\n", + filename_for_errs, lineno_for_errs); + return(0); + } + if (*cp == '"') + break; + c = *cp++; + if (c == '\\') { + if (*cp == '\0') + goto unterm_qstring; + c = *cp++; + switch (c) { + case 'n': + c = '\n'; + break; + case 'r': + c = '\r'; + break; + case '"': + case '\\': + break; + default: + fprintf(stderr, + "%s line %d: non-understood backslash escape\n", + filename_for_errs, lineno_for_errs); + return(0); + } + } + c = gsm7_encode_table[c]; + if (c == 0xFF) { + fprintf(stderr, + "%s line %d: character in quoted string cannot be encoded in GSM7\n", + filename_for_errs, lineno_for_errs); + return(0); + } + if (c & 0x80) + nadd = 2; + else + nadd = 1; + if (acclen + nadd > maxlen) { + fprintf(stderr, + "%s line %d: alpha tag string is longer than SIM limit\n", + filename_for_errs, lineno_for_errs); + return(0); + } + if (c & 0x80) + record[acclen++] = 0x1B; + record[acclen++] = c & 0x7F; + } + return(cp + 1); +} + +static char * +decode_hex_alpha(cp, record, maxlen, filename_for_errs, lineno_for_errs) + char *cp, *filename_for_errs; + u_char *record; + unsigned maxlen; +{ + unsigned acclen; + + for (acclen = 0; ; ) { + if (!isxdigit(cp[0]) || !isxdigit(cp[1])) + break; + if (acclen >= maxlen) { + fprintf(stderr, + "%s line %d: alpha tag string is longer than SIM limit\n", + filename_for_errs, lineno_for_errs); + return(0); + } + record[acclen++] = (decode_hex_digit(cp[0]) << 4) | + decode_hex_digit(cp[1]); + cp += 2; + } + return(cp); +} + +static +process_record(line, pb_record_len, pb_record_count, filename_for_errs, + lineno_for_errs) + char *line, *filename_for_errs; + unsigned pb_record_len, pb_record_count; +{ + unsigned recno; + u_char record[255], *fixp; + u_char digits[20]; + unsigned ndigits, num_digit_bytes; + char *cp; + int c; + + recno = strtoul(line+1, 0, 10); + if (recno < 1 || recno > pb_record_count) { + fprintf(stderr, "%s line %d: record number is out of range\n", + filename_for_errs, lineno_for_errs); + return(-1); + } + cp = line + 1; + while (isdigit(*cp)) + cp++; + if (*cp++ != ':') { +inv_syntax: fprintf(stderr, "%s line %d: invalid syntax\n", + filename_for_errs, lineno_for_errs); + return(-1); + } + while (isspace(*cp)) + cp++; + memset(record, 0xFF, pb_record_len); + fixp = record + pb_record_len - 14; + if (digit_char_to_gsm(*cp) < 0) + goto inv_syntax; + for (ndigits = 0; ; ndigits++) { + c = digit_char_to_gsm(*cp); + if (c < 0) + break; + cp++; + if (ndigits >= 20) { + fprintf(stderr, "%s line %d: too many number digits\n", + filename_for_errs, lineno_for_errs); + return(-1); + } + digits[ndigits] = c; + } + if (ndigits & 1) + digits[ndigits++] = 0xF; + num_digit_bytes = ndigits >> 1; + fixp[0] = num_digit_bytes + 1; + pack_digit_bytes(digits, fixp + 2, num_digit_bytes); + if (*cp++ != ',') + goto inv_syntax; + if (cp[0] != '0' || cp[1] != 'x' && cp[1] != 'X' || !isxdigit(cp[2]) || + !isxdigit(cp[3]) || !isspace(cp[4])) + goto inv_syntax; + fixp[1] = strtoul(cp, 0, 16); + cp += 5; + while (isspace(*cp)) + cp++; + if (!strncasecmp(cp, "CCP=", 4)) { + cp += 4; + fixp[12] = strtoul(cp, 0, 0); + while (*cp && !isspace(*cp)) + cp++; + while (isspace(*cp)) + cp++; + } + if (!strncasecmp(cp, "EXT=", 4)) { + cp += 4; + fixp[13] = strtoul(cp, 0, 0); + while (*cp && !isspace(*cp)) + cp++; + while (isspace(*cp)) + cp++; + } + if (*cp == '"') { + cp++; + cp = decode_qstring_alpha(cp, record, pb_record_len - 14, + filename_for_errs, lineno_for_errs); + if (!cp) + return(-1); + } else if (!strncasecmp(cp, "HEX", 3)) { + cp += 3; + while (isspace(*cp)) + cp++; + cp = decode_hex_alpha(cp, record, pb_record_len - 14, + filename_for_errs, lineno_for_errs); + if (!cp) + return(-1); + } else + goto inv_syntax; + while (isspace(*cp)) + cp++; + if (*cp) + goto inv_syntax; + return update_rec_op(recno, 0x04, record, pb_record_len); +} + +cmd_pb_update(argc, argv) + char **argv; +{ + int rc; + FILE *inf; + int lineno; + char linebuf[1024]; + + rc = phonebook_op_common(argv[1]); + if (rc < 0) + return(rc); + inf = fopen(argv[2], "r"); + if (!inf) { + perror(argv[2]); + return(-1); + } + for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) { + if (!index(linebuf, '\n')) { + fprintf(stderr, + "%s line %d: too long or missing newline\n", + argv[2], lineno); + fclose(inf); + return(-1); + } + if (linebuf[0] != '#' || !isdigit(linebuf[1])) + continue; + rc = process_record(linebuf, curfile_record_len, + curfile_record_count, argv[2], lineno); + if (rc < 0) { + fclose(inf); + return(rc); + } + } + fclose(inf); + return(0); +}