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boinc/client/file_names.cpp

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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 "cpp.h"
#ifdef _WIN32
#include "boinc_win.h"
#endif
#ifndef _WIN32
#include "config.h"
#include <cstdio>
#include <sys/stat.h>
#include <cctype>
#if HAVE_SYS_IPC_H
#include <sys/ipc.h>
#endif
#include "shmem.h"
#endif
#include "filesys.h"
#include "error_numbers.h"
#include "str_util.h"
#include "util.h"
#include "client_msgs.h"
#include "sandbox.h"
#include "client_state.h"
#include "file_names.h"
void get_project_dir(PROJECT* p, char* path, int len) {
char buf[1024];
escape_project_url(p->master_url, buf);
snprintf(path, len, "%s/%s", PROJECTS_DIR, buf);
}
// Gets the pathname of a file
//
void get_pathname(FILE_INFO* fip, char* path, int len) {
PROJECT* p = fip->project;
char buf[1024];
// for testing purposes, it's handy to allow a FILE_INFO without
// an associated PROJECT.
//
if (p) {
if (fip->is_auto_update_file) {
boinc_version_dir(*p, gstate.auto_update.version, buf);
} else {
get_project_dir(p, buf, sizeof(buf));
}
snprintf(path, len, "%s/%s", buf, fip->name);
} else {
strlcpy(path, fip->name, len);
}
}
void get_sched_request_filename(PROJECT& project, char* buf, int len) {
char url[1024];
escape_project_url(project.master_url, url);
snprintf(buf, len, "%s%s.xml", SCHED_OP_REQUEST_BASE, url);
}
void get_sched_reply_filename(PROJECT& project, char* buf, int len) {
char url[1024];
escape_project_url(project.master_url, url);
snprintf(buf, len, "%s%s.xml", SCHED_OP_REPLY_BASE, url);
}
void get_master_filename(PROJECT& project, char* buf, int len) {
char url[1024];
escape_project_url(project.master_url, url);
snprintf(buf, len, "%s%s.xml", MASTER_BASE, url);
}
void job_log_filename(PROJECT& project, char* buf, int len) {
char url[1024];
escape_project_url(project.master_url, url);
snprintf(buf, len, "%s%s.txt", JOB_LOG_BASE, url);
}
// Returns the location of a numbered slot directory
//
void get_slot_dir(int slot, char* path, int len) {
snprintf(path, len, "%s/%d", SLOTS_DIR, slot);
}
// Create the directory for the project p
//
int make_project_dir(PROJECT& p) {
char buf[1024];
int retval;
boinc_mkdir(PROJECTS_DIR);
#ifndef _WIN32
mode_t old_mask;
if (g_use_sandbox) {
old_mask = umask(2); // Project directories must be world-readable
chmod(PROJECTS_DIR,
S_IRUSR|S_IWUSR|S_IXUSR
|S_IRGRP|S_IWGRP|S_IXGRP
|S_IROTH|S_IXOTH
);
umask(old_mask);
}
#endif
get_project_dir(&p, buf, sizeof(buf));
retval = boinc_mkdir(buf);
#ifndef _WIN32
if (g_use_sandbox) {
old_mask = umask(2); // Project directories must be world-readable
chmod(buf,
S_IRUSR|S_IWUSR|S_IXUSR
|S_IRGRP|S_IWGRP|S_IXGRP
|S_IROTH|S_IXOTH
);
umask(old_mask);
set_to_project_group(buf);
}
#endif
return retval;
}
int remove_project_dir(PROJECT& p) {
char buf[1024];
int retval;
get_project_dir(&p, buf, sizeof(buf));
retval = client_clean_out_dir(buf);
if (retval) {
msg_printf(&p, MSG_INTERNAL_ERROR, "Can't delete file %s", boinc_failed_file);
return retval;
}
return remove_project_owned_dir(buf);
}
// Create the slot directory for the specified slot #
//
int make_slot_dir(int slot) {
char buf[1024];
if (slot<0) {
msg_printf(NULL, MSG_INTERNAL_ERROR, "Bad slot number %d", slot);
return ERR_NEG;
}
boinc_mkdir(SLOTS_DIR);
#ifndef _WIN32
mode_t old_mask;
if (g_use_sandbox) {
old_mask = umask(2); // Slot directories must be world-readable
chmod(SLOTS_DIR,
S_IRUSR|S_IWUSR|S_IXUSR
|S_IRGRP|S_IWGRP|S_IXGRP
|S_IROTH|S_IXOTH
);
umask(old_mask);
}
#endif
get_slot_dir(slot, buf, sizeof(buf));
int retval = boinc_mkdir(buf);
#ifndef _WIN32
if (g_use_sandbox) {
old_mask = umask(2); // Slot directories must be world-readable
chmod(buf,
S_IRUSR|S_IWUSR|S_IXUSR
|S_IRGRP|S_IWGRP|S_IXGRP
|S_IROTH|S_IXOTH
);
umask(old_mask);
set_to_project_group(buf);
}
#endif
return retval;
}
// delete unused stuff in the slots/ directory
//
void delete_old_slot_dirs() {
char filename[1024], path[1024];
DIRREF dirp;
int retval;
dirp = dir_open(SLOTS_DIR);
if (!dirp) return;
while (1) {
strcpy(filename, "");
retval = dir_scan(filename, dirp, sizeof(filename));
if (retval) break;
snprintf(path, sizeof(path), "%s/%s", SLOTS_DIR, filename);
if (is_dir(path)) {
#ifndef _WIN32
char init_data_path[1024];
SHMEM_SEG_NAME shmem_seg_name;
// If BOINC crashes or exits suddenly (e.g., due to
// being called with --exit_after_finish) it may leave
// orphan shared memory segments in the system.
// Clean these up here. (We must do this before deleting the
// INIT_DATA_FILE, if any, from each slot directory.)
//
snprintf(init_data_path, sizeof(init_data_path), "%s/%s", path, INIT_DATA_FILE);
shmem_seg_name = ftok(init_data_path, 1);
if (shmem_seg_name != -1) {
destroy_shmem(shmem_seg_name);
}
#endif
if (!gstate.active_tasks.is_slot_dir_in_use(path)) {
client_clean_out_dir(path);
remove_project_owned_dir(path);
}
} else {
delete_project_owned_file(path, false);
}
}
dir_close(dirp);
}
void get_account_filename(char* master_url, char* path) {
char buf[1024];
escape_project_url(master_url, buf);
sprintf(path, "account_%s.xml", buf);
}
static bool bad_account_filename(const char* filename) {
msg_printf(NULL, MSG_INTERNAL_ERROR, "Invalid account filename: %s", filename);
return false;
}
// account filenames are of the form
// account_URL.xml
// where URL is master URL with slashes replaced by underscores
//
bool is_account_file(const char* filename) {
const char* p, *q;
p = strstr(filename, "account_");
if (p != filename) return false;
q = filename + strlen("account_");
p = strstr(q, ".xml");
if (!p) return bad_account_filename(filename);
if (p == q) return bad_account_filename(filename);
q = p + strlen(".xml");
if (strlen(q)) return bad_account_filename(filename);
return true;
}
// statistics filenames are of the form
// statistics_URL.xml
// where URL is master URL with slashes replaced by underscores
//
bool is_statistics_file(const char* filename) {
const char* p, *q;
p = strstr(filename, "statistics_");
if (p != filename) return false;
q = filename + strlen("statistics_");
p = strstr(q, ".");
if (!p) return bad_account_filename(filename);
if (p == q) return bad_account_filename(filename);
q = p+1;
p = strstr(q, ".xml");
if (!p) return bad_account_filename(filename);
if (p == q) return bad_account_filename(filename);
q = p + strlen(".xml");
if (strlen(q)) return bad_account_filename(filename);
return true;
}
void get_statistics_filename(char* master_url, char* path) {
char buf[256];
escape_project_url(master_url, buf);
sprintf(path, "statistics_%s.xml", buf);
}
bool is_image_file(const char* filename) {
std::string fn = filename;
downcase_string(fn);
if (ends_with(fn, std::string(".jpg"))) return true;
if (ends_with(fn, std::string(".jpeg"))) return true;
if (ends_with(fn, std::string(".png"))) return true;
return false;
}
void boinc_version_dir(PROJECT& p, VERSION_INFO& vi, char* buf) {
char projdir[1024];
get_project_dir(&p, projdir, sizeof(projdir));
sprintf(buf, "%s/boinc_version_%d_%d_%d", projdir, vi.major, vi.minor, vi.release);
}
bool is_version_dir(char* buf, VERSION_INFO& vi) {
int n = sscanf(buf, "boinc_version_%d_%d_%d", &vi.major, &vi.minor, &vi.release);
return (n==3);
}
const char *BOINC_RCSID_7d362a6a52 = "$Id$";
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