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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/>.
#include "config.h"
#include <cstring>
#include <string>
#include <cstdlib>
#include <cassert>
#include "boinc_db.h"
#include "error_numbers.h"
#include "parse.h"
#include "sched_config.h"
#include "str_replace.h"
#include "crypt.h"
#ifdef _USING_FCGI_
#include "fcgi_stdio.h"
#endif
#define OUTFILE_MACRO "<OUTFILE_"
#define UPLOAD_URL_MACRO "<UPLOAD_URL/>"
// Add a signature at the end of every <file_info> element,
//
int add_signatures(char* xml, R_RSA_PRIVATE_KEY& key) {
char* p = xml, *q1, *q2, buf[BLOB_SIZE], buf2[BLOB_SIZE];
char signature_hex[BLOB_SIZE];
char signature_xml[BLOB_SIZE];
char signed_xml[1024];
int retval, len;
while (1) {
q1 = strstr(p, "<file_info>\n");
if (!q1) break;
q2 = strstr(q1, "</file_info>");
if (!q2) {
fprintf(stderr, "add_signatures: malformed XML: %s\n", xml);
return ERR_XML_PARSE;
}
q1 += strlen("<file_info>\n");
len = q2 - q1;
memcpy(buf, q1, len);
buf[len] = 0;
char name[1024];
if (!parse_str(buf, "<name>", name, sizeof(name))) {
fprintf(stderr, "add_signatures: missing name: %s", buf);
return ERR_XML_PARSE;
}
double max_nbytes;
if (!parse_double(buf, "<max_nbytes>", max_nbytes)) {
fprintf(stderr, "add_signatures: missing max_nbytes: %s", buf);
return ERR_XML_PARSE;
}
sprintf(signed_xml, "<name>%s</name><max_nbytes>%.0f</max_nbytes>",
name, max_nbytes
);
retval = generate_signature(signed_xml, signature_hex, key);
sprintf(signature_xml,
"<xml_signature>\n%s</xml_signature>\n", signature_hex
);
if (retval) return retval;
safe_strcpy(buf2, q2);
strcpy(q1, buf);
strcat(q1, signature_xml);
strcat(q1, buf2);
p = q1;
}
return 0;
}
#if 0 // is this used anywhere??
// remove file upload signatures from a result XML doc
//
int remove_signatures(char* xml) {
char* p, *q;
while (1) {
p = strstr(xml, "<xml_signature>");
if (!p) break;
q = strstr(p, "</xml_signature>");
if (!q) {
fprintf(stderr, "remove_signatures: invalid XML:\n%s", xml);
return ERR_XML_PARSE;
}
q += strlen("</xml_signature>\n");
strcpy(p, q);
}
return 0;
}
#endif
// macro-substitute a result template:
// - replace OUTFILE_x with base_filename_x, etc.
// - add signatures for file uploads
// - strip enclosing <output_template> tags
//
// This is called only from the transitioner,
// to create a new result for a WU
//
int process_result_template(
char* result_template,
R_RSA_PRIVATE_KEY& key,
char* base_filename,
SCHED_CONFIG& config_loc
) {
char* p,*q;
char temp[BLOB_SIZE], buf[256];
int retval;
while (1) {
p = strstr(result_template, OUTFILE_MACRO);
if (p) {
q = p+strlen(OUTFILE_MACRO);
char* endptr = strstr(q, "/>");
if (!endptr) return ERR_XML_PARSE;
if (strchr(q, '>') != endptr+1) return ERR_XML_PARSE;
*endptr = 0;
strcpy(buf, q);
strcpy(temp, endptr+2);
strcpy(p, base_filename);
strcat(p, buf);
strcat(p, temp);
continue;
}
p = strstr(result_template, UPLOAD_URL_MACRO);
if (p) {
strcpy(temp, p+strlen(UPLOAD_URL_MACRO));
strcpy(p, config_loc.upload_url);
strcat(p, temp);
continue;
}
break;
}
if (!config_loc.dont_generate_upload_certificates) {
retval = add_signatures(result_template, key);
if (retval) return retval;
}
// strip enclosing <output_template> tags, if any
//
p = strstr(result_template, "<output_template>");
if (p) {
safe_strcpy(temp, result_template+strlen("<output_template>"));
q = strstr(temp, "</output_template>");
if (q) *q = 0;
strcpy(result_template, temp);
}
strip_whitespace(result_template);
return 0;
}
const char *BOINC_RCSID_e5e1e879f3 = "$Id$";
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