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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#if defined(_WIN32) && !defined(__STDWX_H__)
#include "boinc_win.h"
#elif defined(_WIN32) && defined(__STDWX_H__)
#include "stdwx.h"
#else
#include "config.h"
#ifdef _USING_FCGI_
#include "boinc_fcgi.h"
#else
#include <cstdio>
#endif
#endif
#include "miofile.h"
#include "error_numbers.h"
#include "cert_sig.h"
#ifdef _MSC_VER
#define snprintf _snprintf
#endif
CERT_SIG::CERT_SIG() {
this->clear();
}
CERT_SIG::~CERT_SIG() {
// TODO
}
void CERT_SIG::clear() {
this->type = MD5_HASH; // md5 hash by default
memset(this->subject, 0, sizeof(this->subject));
memset(this->signature, 0, sizeof(this->signature));
}
CERT_SIGS::CERT_SIGS() {
// TODO
}
CERT_SIGS::~CERT_SIGS() {
// TODO
}
void CERT_SIGS::clear() {
this->signatures.clear();
}
int CERT_SIGS::count() {
return (int)(this->signatures.size());
}
int CERT_SIGS::parse(XML_PARSER &xp) {
CERT_SIG sig;
bool in_entry = false;
bool in_sig = false;
bool parsed_one = false;
char buf[256];
while (!xp.get_tag()) {
if (xp.match_tag("/signatures")) {
//printf("CERT_SIGS::parse() ends.\n");
//fflush(stdout);
return !in_entry && !in_sig && parsed_one;
}
if (in_sig) {
in_sig = false;
snprintf(sig.signature, sizeof(sig.signature), "%s", xp.parsed_tag);
continue;
}
if (!xp.is_tag) {
printf("(CERT_SIGS): unexpected text: %s\n", xp.parsed_tag);
continue;
}
if (in_entry) {
if (xp.match_tag("/entry")) {
in_entry = false;
in_sig = false;
if (strlen(sig.subject) == 0) {
printf("ERROR: subject is not set.\n");
return false;
}
if (strlen(sig.signature) == 0) {
printf("ERROR: signature is not set.\n");
return false;
}
this->signatures.push_back(sig);
parsed_one = true;
sig.clear();
continue;
}
if (xp.match_tag("signature")) {
in_sig = true;
continue;
}
if (xp.match_tag("/signature")) {
in_sig = false;
continue;
}
if (xp.parse_str("subject", sig.subject, sizeof(sig.subject)))
continue;
else if (xp.parse_str("hash", sig.hash, sizeof(sig.hash)))
continue;
else if (xp.parse_str("type", buf, sizeof(buf))) {
if ((!strcmp(buf,"md5")) || (!strcmp(buf,"MD5"))) {
sig.type = MD5_HASH;
} else if ((!strcmp(buf,"sha1")) || (!strcmp(buf,"SHA1"))) {
sig.type = SHA1_HASH;
}
continue;
}
} else {
if (strstr(xp.parsed_tag, "entry")) {
in_entry = true;
continue;
}
}
}
return false;
}
int CERT_SIGS::parse_file(const char* filename) {
int retval;
#ifndef _USING_FCGI_
FILE *f = fopen(filename, "r");
#else
FCGI_FILE *f = FCGI::fopen(filename, "r");
#endif
if (!f) return ERR_FOPEN;
MIOFILE mf;
mf.init_file(f);
XML_PARSER xp(&mf);
if (!xp.parse_start("signatures")) {
fclose(f);
return ERR_XML_PARSE;
}
retval = this->parse(xp);
fclose(f);
return retval;
}
int CERT_SIGS::parse_buffer(char* buf) {
MIOFILE mf;
int retval;
mf.init_buf_read(buf);
XML_PARSER xp(&mf);
retval = this->parse(xp);
return retval;
}
int CERT_SIGS::parse_buffer_embed(char* buf) {
MIOFILE mf;
char tag[4096];
bool is_tag;
int s_found = false;
mf.init_buf_read(buf);
XML_PARSER xp(&mf);
while (!xp.get(tag, sizeof(tag), is_tag)) {
if (xp.match_tag("signatures")) {
s_found = true;
break;
}
}
if (s_found)
return this->parse(xp);
else
return false;
}
int CERT_SIGS::write(MIOFILE &f) {
if (this->signatures.size()==0) return true;
f.printf("<signatures>\n");
for(unsigned int i=0;i < this->signatures.size(); i++) {
f.printf(" <entry>\n");
f.printf(" <signature>\n%s\n", this->signatures.at(i).signature);
f.printf(" </signature>\n");
f.printf(" <subject>%s</subject>\n", this->signatures.at(i).subject);
f.printf(" <type>%s</type>\n", (this->signatures.at(i).type == MD5_HASH) ? "md5" : "sha1");
f.printf(" <hash>%s</hash>\n", this->signatures.at(i).hash);
f.printf(" </entry>\n");
}
f.printf("</signatures>\n");
return true;
}
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