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/*
CTDB protocol parser
Copyright (C) Amitay Isaacs 2016
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "system/network.h"
#include "system/locale.h"
#include <talloc.h>
#include <tdb.h>
#include "protocol/protocol.h"
#include "protocol/protocol_api.h"
static TDB_DATA strace_parser(char *buf, TALLOC_CTX *mem_ctx)
{
TDB_DATA data;
size_t i = 0, j = 0;
data.dptr = talloc_size(mem_ctx, strlen(buf));
if (data.dptr == NULL) {
return tdb_null;
}
while (i < strlen(buf)) {
if (buf[i] == '\\') {
/* first char after '\' is a digit or other escape */
if (isdigit(buf[i+1])) {
char tmp[4] = { '\0', '\0', '\0', '\0' };
tmp[0] = buf[i+1];
if (isdigit(buf[i+2])) {
tmp[1] = buf[i+2];
if (isdigit(buf[i+3])) {
tmp[2] = buf[i+3];
i += 4;
} else {
i += 3;
}
} else {
i += 2;
}
data.dptr[j] = strtol(tmp, NULL, 8);
} else if (buf[i+1] == 'a') {
data.dptr[j] = 7;
i += 2;
} else if (buf[i+1] == 'b') {
data.dptr[j] = 8;
i += 2;
} else if (buf[i+1] == 't') {
data.dptr[j] = 9;
i += 2;
} else if (buf[i+1] == 'n') {
data.dptr[j] = 10;
i += 2;
} else if (buf[i+1] == 'v') {
data.dptr[j] = 11;
i += 2;
} else if (buf[i+1] == 'f') {
data.dptr[j] = 12;
i += 2;
} else if (buf[i+1] == 'r') {
data.dptr[j] = 13;
i += 2;
} else {
fprintf(stderr,
"Unknown escape \\%c\n",
buf[i+1]);
data.dptr[j] = 0;
}
j += 1;
} else if (buf[i] == '\n') {
i += 1;
} else if (buf[i] == '\0') {
break;
} else {
data.dptr[j] = buf[i];
i += 1;
j += 1;
}
}
data.dsize = j;
return data;
}
int main(int argc, char *argv[])
{
TALLOC_CTX *mem_ctx = talloc_new(NULL);
char line[1024];
char *ptr;
TDB_DATA (*parser)(char *, TALLOC_CTX *);
if (argc != 2) {
fprintf(stderr, "Usage: %s strace\n", argv[0]);
exit(1);
}
if (strcmp(argv[1], "strace") == 0) {
parser = strace_parser;
} else {
fprintf(stderr, "Unknown input format - %s\n", argv[1]);
exit(1);
}
while ((ptr = fgets(line, sizeof(line), stdin)) != NULL) {
TDB_DATA data;
data = parser(ptr, mem_ctx);
if (data.dptr == NULL) {
continue;
}
ctdb_packet_print(data.dptr, data.dsize, stdout);
TALLOC_FREE(data.dptr);
}
return 0;
}
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