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
line wrap: on
line diff
--- /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);
+}