mirror of https://github.com/BOINC/boinc.git
145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "config.h"
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#include <cstring>
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#include <cstdlib>
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#include <cassert>
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#include "boinc_db.h"
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#include "error_numbers.h"
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#include "parse.h"
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#include "sched_config.h"
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#include "crypt.h"
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#ifdef _USING_FCGI_
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#include "fcgi_stdio.h"
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#endif
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#define OUTFILE_MACRO "<OUTFILE_"
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#define UPLOAD_URL_MACRO "<UPLOAD_URL/>"
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// At the end of every <file_info> element,
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// add a signature of its contents up to that point.
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//
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int add_signatures(char* xml, R_RSA_PRIVATE_KEY& key) {
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char* p = xml, *q1, *q2, buf[LARGE_BLOB_SIZE], buf2[LARGE_BLOB_SIZE];;
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char signature_hex[LARGE_BLOB_SIZE];
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char signature_xml[LARGE_BLOB_SIZE];
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int retval, len;
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while (1) {
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q1 = strstr(p, "<file_info>\n");
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if (!q1) break;
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q2 = strstr(q1, "</file_info>");
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if (!q2) {
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fprintf(stderr, "add_signatures: malformed XML: %s\n", xml);
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return ERR_XML_PARSE;
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}
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// signed text doesn't include leading white space before </file_info>
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//
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while(*(q2-1)==' ' || *(q2-1)=='\t') q2--;
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q1 += strlen("<file_info>\n");
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len = q2 - q1;
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memcpy(buf, q1, len);
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buf[len] = 0;
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retval = generate_signature(buf, signature_hex, key);
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sprintf(signature_xml,
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"<xml_signature>\n%s</xml_signature>\n", signature_hex
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);
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if (retval) return retval;
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strcpy(buf2, q2);
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strcpy(q1, buf);
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strcat(q1, signature_xml);
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strcat(q1, buf2);
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p = q1;
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}
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return 0;
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}
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// remove file upload signatures from a result XML doc
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//
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int remove_signatures(char* xml) {
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char* p, *q;
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while (1) {
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p = strstr(xml, "<xml_signature>");
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if (!p) break;
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q = strstr(p, "</xml_signature>");
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if (!q) {
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fprintf(stderr, "remove_signatures: invalid XML:\n%s", xml);
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return ERR_XML_PARSE;
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}
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q += strlen("</xml_signature>\n");
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strcpy(p, q);
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}
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return 0;
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}
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// macro-substitute a result template:
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// - replace OUTFILE_x with base_filename_x, etc.
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// - add signatures for file uploads
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//
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// This is called only from the transitioner,
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// to create a new result for a WU
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//
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int process_result_template(
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char* result_template,
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R_RSA_PRIVATE_KEY& key,
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char* base_filename,
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SCHED_CONFIG& config
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) {
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char* p,*q;
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char temp[LARGE_BLOB_SIZE], buf[256];
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int retval;
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while (1) {
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p = strstr(result_template, OUTFILE_MACRO);
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if (p) {
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q = p+strlen(OUTFILE_MACRO);
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char* endptr = strstr(q, "/>");
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if (!endptr) return ERR_XML_PARSE;
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if (strchr(q, '>') != endptr+1) return ERR_XML_PARSE;
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*endptr = 0;
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strcpy(buf, q);
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strcpy(temp, endptr+2);
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strcpy(p, base_filename);
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strcat(p, buf);
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strcat(p, temp);
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continue;
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}
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p = strstr(result_template, UPLOAD_URL_MACRO);
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if (p) {
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strcpy(temp, p+strlen(UPLOAD_URL_MACRO));
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strcpy(p, config.upload_url);
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strcat(p, temp);
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continue;
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}
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break;
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}
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if (!config.dont_generate_upload_certificates) {
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retval = add_signatures(result_template, key);
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if (retval) return retval;
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}
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return 0;
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}
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const char *BOINC_RCSID_e5e1e879f3 = "$Id$";
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