Example #1
0
/*
 * helper function that searches for a specific block device and returns
 * it's busid
 * dev: <major>:<minor> of the device
 * busid: buffer in which the busid string will be returned
 * returns 0 for successful operation and -1 in case of an error.
 */
static int find_busid_in_sysfs(char *dev, char *busid) {

	DIR *blockdir, *diskdir;
	struct dirent *blockde, *diskde;
	int found = 0;
	char namebuffer[PATH_BUFFER_LENGTH];
	char *blockend, *diskend = NULL, *partend;

	/* everything, including the other helper functions, works on the
	 * same buffer area 'namebuffer'. The pointers blockend, diskend
	 * and partend point to the end of the various names.
	 * Example:
	 * "/sys/block/dasda/dasda1/"
	 *             ^ blockend
	 *                   ^ diskend
	 *                          ^ partend
	 */

	strcpy(namebuffer,BLOCKPATH);
	blockdir = opendir(namebuffer);
	if (!blockdir)
 		return -1;
	blockend = namebuffer + strlen(namebuffer);
	/* check each entry in /sys/block */
	while ((blockde = readdir(blockdir))) {
		diskend = append_if_directory(namebuffer, blockend, blockde);
		if (!diskend)
			continue;
		found = check_directory(namebuffer, dev);
		if (found)
			break;
		diskdir = opendir(namebuffer);
		if (!diskdir)
			continue;
		/* check each entry in /sys/block/<disk name> */
		while ((diskde = readdir(diskdir))) {
			partend = append_if_directory(
				namebuffer, diskend, diskde);
			if (!partend)
				continue;
			found = check_directory(namebuffer, dev);
			if (found)
				break;
		}
		closedir(diskdir);
		if (found)
			break;
	}
	closedir(blockdir);
	if (found) {
		*diskend = 0; /* remove partition directory from name */
		return extract_busid(namebuffer, busid);
	} else
		return -1;
}
Example #2
0
static void
mapper_set_playlist_dir(const char *path)
{
	check_directory(path);

	playlist_dir = g_strdup(path);
}
Example #3
0
int
main(int argc, char *argv[])
{
    struct hooks_t hooks;
    struct files_t files;
    //int c;

    /* TODO: Parse command line arguments */
    parse_commandline(argc, argv);
    
    /* TODO: Initialize hooks and files lists */
    TAILQ_INIT(&hooks);
    TAILQ_INIT(&files);
        
    /* TODO: Load hooks */
    set_hooks(&hooks);
    
     // TODO: Continuously check directory and timestamps
    //while(true){
        char *timestamp = timestamp_string();
        check_directory(directory, &hooks, &files, recursive,(time_t) timestamp);
        sleep(1);
    //}
    
    return (EXIT_SUCCESS);
}
Example #4
0
int main(int argc, char* argv[])
{
    std::string errmsg;
    if (!mooon::utils::parse_arguments(argc, argv, &errmsg))
    {
        fprintf(stderr, "%s\n", errmsg.c_str());
        return false;
    }

    try
    {
        int ret = 0;
        if (mooon::sys::CUtils::is_file(mooon::argument::sqllog->c_value()))
            ret = check_file(mooon::argument::sqllog->c_value());
        else
            ret = check_directory(mooon::argument::sqllog->c_value());

        fprintf(stdout, "lines: %d\n", sg_lines);
        return ret;
    }
    catch (mooon::sys::CSyscallException& ex)
    {
        fprintf(stderr, "%s\n", ex.str().c_str());
        exit(1);
    }
}
Example #5
0
char* InliningDatabase::index_file_name() {
  char* name = NEW_RESOURCE_ARRAY(char, 1024);
  if (!check_directory(directory())) return NULL;
  strcpy(name, directory());
  strcat(name, "\\index.txt");
  return name;
}
Example #6
0
krb5_boolean KRB5_LIB_FUNCTION
krb5_kuserok (krb5_context context,
	      krb5_principal principal,
	      const char *luser)
{
    char *buf;
    size_t buflen;
    struct passwd *pwd;
    krb5_error_code ret;
    krb5_boolean result = FALSE;

    krb5_boolean found_file = FALSE;

#ifdef POSIX_GETPWNAM_R
    char pwbuf[2048];
    struct passwd pw;

    if(getpwnam_r(luser, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0)
	return FALSE;
#else
    pwd = getpwnam (luser);
#endif
    if (pwd == NULL)
	return FALSE;

#define KLOGIN "/.k5login"
    buflen = strlen(pwd->pw_dir) + sizeof(KLOGIN) + 2; /* 2 for .d */
    buf = malloc(buflen);
    if(buf == NULL)
	return FALSE;
    /* check user's ~/.k5login */
    strlcpy(buf, pwd->pw_dir, buflen);
    strlcat(buf, KLOGIN, buflen);
    ret = check_one_file(context, buf, pwd, principal, &result);

    if(ret == 0 && result == TRUE) {
	free(buf);
	return TRUE;
    }

    if(ret != ENOENT) 
	found_file = TRUE;

    strlcat(buf, ".d", buflen);
    ret = check_directory(context, buf, pwd, principal, &result);
    free(buf);
    if(ret == 0 && result == TRUE)
	return TRUE;

    if(ret != ENOENT && ret != ENOTDIR) 
	found_file = TRUE;

    /* finally if no files exist, allow all principals matching
       <localuser>@<LOCALREALM> */
    if(found_file == FALSE)
	return match_local_principals(context, principal, luser);

    return FALSE;
}
Example #7
0
//!
//! Validate and initialize the Eucalyptus and hook directories to use.
//!
//! @param[in] euca_dir a string containing the Eucalyptus directory to use
//! @param[in] hooks_dir a string containing the hook directory to use
//!
//! @return EUCA_OK if the operation is successful or proper error code. Known error
//!         code returned include EUCA_ERROR.
//!
int init_hooks(const char *euca_dir, const char *hooks_dir)
{
    assert(euca_dir);
    assert(hooks_dir);

    euca_strncpy(euca_path, euca_dir, sizeof(euca_path));
    if (check_directory(euca_path))
        return (EUCA_ERROR);

    euca_strncpy(hooks_path, hooks_dir, sizeof(hooks_path));
    if (check_directory(hooks_path))
        return (EUCA_ERROR);

    LOGINFO("using hooks directory %s\n", hooks_path);
    initialized = TRUE;
    return (EUCA_OK);
}
Example #8
0
static void
mapper_set_music_dir(const char *path)
{
	check_directory(path);

	music_dir = strdup_chop_slash(path);
	music_dir_length = strlen(music_dir);
}
Example #9
0
int scInitConfig (void)
{
    struct stat mystat;
    char config [BUFSIZE];
    char * s;

    if (scConfigInit) {
      return 0;
    }
    
    if ((sc_sem = sem_alloc (1, "eucalyptus-storage-semaphore")) == NULL) { /* TODO: use this semaphore to fix the race */
        logprintfl (EUCAERROR, "failed to create and initialize a semaphore\n");
        return 1;
    }
    /* read in configuration */
    char * home = getenv (EUCALYPTUS_ENV_VAR_NAME);
    if (!home) {
        home = strdup(""); /* root by default */
    }
    
    snprintf(config, BUFSIZE, EUCALYPTUS_CONF_LOCATION, home);
    if (stat(config, &mystat)==0) {
        logprintfl (EUCAINFO, "SC is looking for configuration in %s\n", config);
        
        if (get_conf_var(config, INSTANCE_PATH, &s)>0){ 
            sc_instance_path = strdup (s); 
            free (s); 
        }

        if (get_conf_var(config, CONFIG_NC_CACHE_SIZE, &s)>0){ 
            cache_size_mb = atoll (s); 
            cache_free_mb = cache_size_mb;
            free (s); 
        }

        if (get_conf_var(config, CONFIG_NC_SWAP_SIZE, &s)>0){ 
            swap_size_mb = atoll (s); 
            free (s); 
        }
    }
    snprintf(add_key_command_path, BUFSIZE, EUCALYPTUS_ADD_KEY, home, home, home);
    
    /* we need to have valid path */
    if (check_directory(sc_instance_path)) {
	    logprintfl (EUCAERROR, "ERROR: INSTANCE_PATH (%s) does not exist!\n", sc_instance_path);
	    return(1);
    }

    if (euca_init_cert ()) {
        logprintfl (EUCAFATAL, "failed to find cryptographic certificates\n");
        return 1;
    }

    snprintf (disk_convert_command_path, BUFSIZE, EUCALYPTUS_DISK_CONVERT, home, home);

    scConfigInit=1;
    return(0);
}
Example #10
0
int init_backing_store (const char * conf_instances_path, unsigned int conf_work_size_mb, unsigned int conf_cache_size_mb)
{
    logprintfl (EUCAINFO, "initializing backing store...\n");

    if (conf_instances_path == NULL) {
        logprintfl (EUCAERROR, "error: INSTANCE_PATH not specified\n");
        return ERROR;
    }
    safe_strncpy (instances_path, conf_instances_path, sizeof (instances_path));
    if (check_directory (instances_path)) {
	    logprintfl (EUCAERROR, "error: INSTANCE_PATH (%s) does not exist!\n", instances_path);
        return ERROR;
    }
    char cache_path [MAX_PATH]; snprintf (cache_path, sizeof (cache_path), "%s/cache", instances_path);
    if (ensure_directories_exist (cache_path, 0, NULL, NULL, BACKING_DIRECTORY_PERM) == -1) return ERROR;
    char work_path [MAX_PATH];  snprintf (work_path,  sizeof (work_path),  "%s/work", instances_path);
    if (ensure_directories_exist (work_path, 0, NULL, NULL, BACKING_DIRECTORY_PERM) == -1) return ERROR;
    unsigned long long cache_limit_blocks = conf_cache_size_mb * 2048; // convert MB to blocks
    unsigned long long work_limit_blocks  = conf_work_size_mb * 2048;
    if (work_limit_blocks==0) { // we take 0 as unlimited
        work_limit_blocks = ULLONG_MAX;
    }

    // by default we let blobstore pick the snapshot policy, which
    // will use device mapper if available, which is faster than copying
    blobstore_snapshot_t snapshot_policy = BLOBSTORE_SNAPSHOT_ANY;
    if (nc_state.disable_snapshots) {
        logprintfl (EUCAINFO, "if allocating storage, will avoid using snapshots\n");
        snapshot_policy = BLOBSTORE_SNAPSHOT_NONE;
    }
    blobstore_set_error_function ( &bs_errors );
    if (cache_limit_blocks) {
        cache_bs = blobstore_open (cache_path, cache_limit_blocks, BLOBSTORE_FLAG_CREAT, BLOBSTORE_FORMAT_DIRECTORY, BLOBSTORE_REVOCATION_LRU, snapshot_policy);
        if (cache_bs==NULL) {
            logprintfl (EUCAERROR, "ERROR: failed to open/create cache blobstore: %s\n", blobstore_get_error_str(blobstore_get_error()));
            return ERROR;
        }
    }
    work_bs = blobstore_open (work_path, work_limit_blocks, BLOBSTORE_FLAG_CREAT, BLOBSTORE_FORMAT_FILES, BLOBSTORE_REVOCATION_NONE, snapshot_policy);
    if (work_bs==NULL) {
        logprintfl (EUCAERROR, "ERROR: failed to open/create work blobstore: %s\n", blobstore_get_error_str(blobstore_get_error()));
        logprintfl (EUCAERROR, "ERROR: %s\n", blobstore_get_last_trace());
        blobstore_close (cache_bs);
        return ERROR;
    }

    // set the initial value of the semaphore to the number of 
    // disk-intensive operations that can run in parallel on this node
    if (nc_state.concurrent_disk_ops && (disk_sem = sem_alloc (nc_state.concurrent_disk_ops, "mutex")) == NULL) {
        logprintfl (EUCAERROR, "failed to create and initialize disk semaphore\n");
        return ERROR;
    }

    return OK;
}
Example #11
0
char* InliningDatabase::compute_file_name(LookupKey* outer, LookupKey* inner, bool create_directories) {
  char* name = NEW_RESOURCE_ARRAY(char, 1024);

  // Outer key
  char* outer_klass_name    = mangle_name(klass_string(outer->klass()));
  char* outer_selector_name = mangle_name(selector_string(outer->selector()));

  if (create_directories) {
    if (!check_directory(directory())) return NULL;
  }

  strcpy(name, directory());
  strcat(name, "\\");
  strcat(name, outer_klass_name);

  if (create_directories) {
    if (!check_directory(name)) return NULL;
  }

  strcat(name, "\\");
  strcat(name, outer_selector_name);

  if (inner) {
    // Inner key
    char* inner_klass_name  = mangle_name(klass_string(inner->klass()));
    char* inner_method_name = mangle_name(method_string(inner->method()));

    if (create_directories) {
      if (!check_directory(name)) return NULL;
    }
    strcat(name, "\\");
    strcat(name, inner_klass_name);

    if (create_directories) {
      if (!check_directory(name)) return NULL;
    }
    strcat(name, "\\");
    strcat(name, inner_method_name);
  }
  strcat(name, ".txt");
  return name;
}
Example #12
0
/** Check the directory for new file events.
 *
 * Note:
 *  If any directory entries are sub-directories and the recursive flag is set,
 *  then this function recurses on the sub-directories.
 */
void
check_directory(const char *path, struct hooks_t *hooks, struct files_t *files, bool recursive, const time_t timestamp)
{
    //struct dirent **entries;
    struct dirent *entry;
    DIR *dp;
    char fullpath[PATH_MAX];

    dp=opendir(path);
    if(dp == NULL){
        fprintf(stderr,"Could not open directory: %s\n", path);   
        return;
    } 

    while((entry = readdir(dp)) != NULL){
        if(streq(entry->d_name, ".") || streq(entry->d_name, "..")){
            continue;
        }
        snprintf(fullpath, PATH_MAX, "%s/%s", path, entry->d_name);
        //printf("%s\n", fullpath);

        struct stat st;
        lstat(fullpath, &st);
        

        if(S_ISDIR(st.st_mode) && recursive){
            printf("DIRECTORY: %s\n", entry->d_name);
            if(strcmp(entry->d_name,"..") != 0 && strcmp(entry->d_name, ".") != 0){
                check_directory(fullpath, hooks, files, recursive, timestamp);
            }

        }else{
            printf("\t%s\n", entry->d_name);
            printf("\t\t FILE\n");
            
            if(search_files(files, fullpath) == NULL){ 
                add_file(files, fullpath, st.st_mtime, timestamp);
                printf("CREATE EVENT");
                //CREATE EVENT
            }
            else{
                printf("We have a file match? WTF");
            //    compare mtime
            //    check timestamp
            }
            //look at hooks and files
            //use n as count of files?
        
        }
    }
    closedir(dp);
}
Example #13
0
// This function is used to check the data directory path for safety.
// We check that every sub-directory is owned by the 'system' user
// and exists and is not a symlink. We also check that the full directory
// path is properly owned by the user ID.
static bool check_data_path(const char* data_path, uid_t uid) {
  // The path should be absolute.
  if (data_path[0] != '/') return false;

  // Look for all sub-paths, we do that by finding
  // directory separators in the input path and
  // checking each sub-path independently.
  for (int nn = 1; data_path[nn] != '\0'; nn++) {
    char subpath[PATH_MAX];

    /* skip non-separator characters */
    if (data_path[nn] != '/') continue;

    /* handle trailing separator case */
    if (data_path[nn+1] == '\0') break;

    /* found a separator, check that data_path is not too long. */
    if (nn >= (int)(sizeof subpath)) return false;

    /* reject any '..' subpath */
    if (nn >= 3               &&
        data_path[nn-3] == '/' &&
        data_path[nn-2] == '.' &&
        data_path[nn-1] == '.') {
      return false;
    }

    /* copy to 'subpath', then check ownership */
    memcpy(subpath, data_path, nn);
    subpath[nn] = '\0';

    if (!check_directory(subpath, AID_SYSTEM)) return false;
  }

  // All sub-paths were checked, now verify that the full data
  // directory is owned by the application uid.
  return check_directory(data_path, uid);
}
Example #14
0
void chk_bogohome(void)
{
    if (!check_directory(bogohome)) {
	(void)fprintf(stderr, "%s: cannot find bogofilter directory.\n"
		      "You must specify a directory on the command line, in the config file,\n"
#ifndef __riscos__
		      "or by using the BOGOFILTER_DIR or HOME environment variables.\n"
#else
		      "or by ensuring that <Bogofilter$Dir> is set correctly.\n"
#endif
		      "Program aborting.\n", progname);
	exit(EX_ERROR);
    }
}
Example #15
0
File: config.c Project: CingHu/code
bool
initialize(void)
{
    init_default();

    check_directory();

    if (!load_proxy_config())
    	return false;

    if (file_exist(Config.config_file)) {
        return load_config(Config.config_file);
    }

    return true;
}
Example #16
0
void e2fsck_pass3(e2fsck_t ctx)
{
	ext2_filsys fs = ctx->fs;
	struct dir_info_iter *iter;
#ifdef RESOURCE_TRACK
	struct resource_track	rtrack;
#endif
	struct problem_context	pctx;
	struct dir_info	*dir;
	unsigned long maxdirs, count;

	init_resource_track(&rtrack, ctx->fs->io);
	clear_problem_context(&pctx);

#ifdef MTRACE
	mtrace_print("Pass 3");
#endif

	if (!(ctx->options & E2F_OPT_PREEN))
		fix_problem(ctx, PR_3_PASS_HEADER, &pctx);

	/*
	 * Allocate some bitmaps to do loop detection.
	 */
	pctx.errcode = e2fsck_allocate_inode_bitmap(fs, _("inode done bitmap"),
					EXT2FS_BMAP64_AUTODIR,
					"inode_done_map", &inode_done_map);
	if (pctx.errcode) {
		pctx.num = 2;
		fix_problem(ctx, PR_3_ALLOCATE_IBITMAP_ERROR, &pctx);
		ctx->flags |= E2F_FLAG_ABORT;
		goto abort_exit;
	}
	print_resource_track(ctx, _("Peak memory"), &ctx->global_rtrack, NULL);

	check_root(ctx);
	if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
		goto abort_exit;

	ext2fs_mark_inode_bitmap2(inode_done_map, EXT2_ROOT_INO);

	maxdirs = e2fsck_get_num_dirinfo(ctx);
	count = 1;

	if (ctx->progress)
		if ((ctx->progress)(ctx, 3, 0, maxdirs))
			goto abort_exit;

	iter = e2fsck_dir_info_iter_begin(ctx);
	while ((dir = e2fsck_dir_info_iter(ctx, iter)) != 0) {
		if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
			goto abort_exit;
		if (ctx->progress && (ctx->progress)(ctx, 3, count++, maxdirs))
			goto abort_exit;
		if (ext2fs_test_inode_bitmap2(ctx->inode_dir_map, dir->ino))
			if (check_directory(ctx, dir->ino, &pctx))
				goto abort_exit;
	}
	e2fsck_dir_info_iter_end(ctx, iter);

	/*
	 * Force the creation of /lost+found if not present
	 */
	if ((ctx->flags & E2F_OPT_READONLY) == 0)
		e2fsck_get_lost_and_found(ctx, 1);

	/*
	 * If there are any directories that need to be indexed or
	 * optimized, do it here.
	 */
	e2fsck_rehash_directories(ctx);

abort_exit:
	e2fsck_free_dir_info(ctx);
	if (inode_loop_detect) {
		ext2fs_free_inode_bitmap(inode_loop_detect);
		inode_loop_detect = 0;
	}
	if (inode_done_map) {
		ext2fs_free_inode_bitmap(inode_done_map);
		inode_done_map = 0;
	}

	print_resource_track(ctx, _("Pass 3"), &rtrack, ctx->fs->io);
}
Example #17
0
int             *parsing_file(char *file_name, int *counter, llist l_args)
{
  FILE          *fp;
  FILE          *np;
  char          *line = NULL;
  size_t        len = 0;
  ssize_t       read;
  int           i = 1;
  int		comment_count = 0;
  DIR           *d;
  char		*directory = make_directory(l_args->directory, file_name);
  int		sub_dir = l_args->pr_s;
  char		*org_dir = l_args->directory;
  struct dirent *dir;

  if (nmatch(file_name, "*/..") == 1 || nmatch(file_name, "*/.") == 1 ||
      nmatch(file_name, ".") == 1 || nmatch(file_name, "..") == 1 ||
      nmatch(file_name, "no_comment") == 1)
    return (counter);
  counter[3] = counter[3] + 1;
  if  (is_directory(file_name) == 1 && nmatch(file_name, org_dir) == 0)
    {
      d = opendir(file_name);
      if (d && sub_dir == 1)
	{
	  printf(ANSI_COLOR_BLUE"!---> Reading directory '%s':\n"ANSI_COLOR_RESET,
		 file_name);
	  while ((dir = readdir(d)) != NULL)
	    {
	      check_directory(directory, 1);
	      counter = parsing_file(make_directory(file_name, dir->d_name),
				     counter, l_args);
	    }
	  printf(ANSI_COLOR_BLUE"End of directory '%s' <---!\n"ANSI_COLOR_RESET,
		 file_name);
	  return (counter);
	  closedir(d);
	}
      return (counter);
    }
  printf("\n> Reading file: '%s'\n", file_name);
  printf("Destination: '%s'\n", directory);
  if ((fp = fopen(file_name, "r")) == NULL)
    {
      printf(ANSI_COLOR_RED"! Error while reading file '%s'\n" ANSI_COLOR_RESET
	     , (file_name ? file_name : " "));
      counter[1] = counter[1] + 1;
      return (counter);
    }
  if ((np = fopen(directory, "w+")) == NULL)
    {
      printf(ANSI_COLOR_RED"! Error while creating file '%s'\n"ANSI_COLOR_RESET
	     , (file_name ? file_name : " "));
      counter[1] = counter[1] + 1;
      return (counter);
    }
  counter[0] = counter[0] + 1;
  while ((read = getline(&line, &len, fp)) != -1)
    comment_count = write_file(np, line, comment_count);
  printf("Total of comments deleted: %d\n", comment_count);
  printf(ANSI_COLOR_GREEN "--> Done for %s\n\n"ANSI_COLOR_RESET, file_name);
  counter[2] = counter[2] + comment_count;
  return (counter);
  fclose(fp);
  fclose (np);
}
Example #18
0
/**************************
*** MAIN
**************************/
int main(int argc, char **argv)
{
    /*
    ** INIT SIGNALS
    */
    set_signals();

    /*
    ** INIT / SETTINGS VARS
    */
    client_count = 0;
    int port;

    /*
    ** ARGS MANAGEMENT
    */
    if(argc != 3 || !is_number(argv[2]))
    {
        CRITIC("Can't launch with these arguments.", "\tUsage: ./executable <directory> <port>");
    }

    port = atoi(argv[2]);

    if(port > 65535 || port < 1024)
    {
        CRITIC("Can't launch with this port.", "\tPort must be between 1024 and 65535.");
    }

    switch(check_directory(argv[1]))
    {
        case 0:
            strncpy(dir_path, argv[1], MAX_PATH - 1);
            if(dir_path[strlen(dir_path) - 1] != '/')
                strncat(dir_path, "/", 1);
            dir_path[MAX_PATH - 1] = '\0';
            break;
        case 1:
            // Ask to create directory
            INFO("Directory does not exist, do you want to create it? (yes/no)");
            char buffer[MAX_BUF];
            fgets(buffer, MAX_BUF, stdin);

            // If user said yes
            if(strcmp(buffer, "YES\n") == 0 || strcmp(buffer, "yes\n") == 0)
            {
                // Create directory and set full path
                create_directory(argv[1]);
                strncpy(dir_path, argv[1], MAX_PATH - 1);
                if(dir_path[strlen(dir_path) - 1] != '/')
                    strncat(dir_path, "/", 1);
                dir_path[MAX_PATH - 1] = '\0';
            }
            else
            {
                CRITIC("Can't launch with this directory.", "\tDirectory must exists.");
            }
            break;
        case 2:
            CRITIC("ERRNO ON STAT", strerror(errno));
            break;
        case 3:
            CRITIC("Can't launch with this directory.", "\tThe given path is not a directory.");
            break;
        case 4:
            CRITIC("Can't launch with this directory.", "\tYou don't have the required permissions.");
        default:
            CRITIC("Something impossible happened!", "Wrong switch value");
            break;
    }


    // INIT MUTEX
    if(pthread_mutex_init(&client_count_mutex, NULL) != 0)
    {
        CRITIC("Can't create client mutex", "MUTEX INIT ERROR");
    }
    if(pthread_mutex_init(&client_list_mutex, NULL) != 0)
    {
        CRITIC("Can't create list mutex", "MUTEX INIT ERROR");
    }
    /*
    ** SERVER MANAGEMENT
    */
    return start_server(port);
} // int main(int, char**)
Example #19
0
/**
 * Recursive iteration for file finding
 *
 * @param __dir - directory to search file in
 * @param __rel_dir - relative director name to search file in
 * @param __options - finding options
 * @param __res_wnd - window with results
 * @return zero on success, non-zero otherwise
 */
static int
find_iteration (const wchar_t *__dir, const wchar_t *__rel_dir,
                const action_find_options_t *__options,
                action_find_res_wnd_t *__res_wnd)
{
  int i, j, count;
  vfs_dirent_t **eps = NULL;
  size_t fn_len;
  wchar_t *format, *full_name;
  vfs_stat_t stat;
  vfs_stat_proc stat_proc;
  deque_t *dirs;
  wchar_t **dir_data;

  __res_wnd->dir_opened = FALSE;

  /* Get listing of directory */

  /*
   * TODO: Add separately displaying of directories and files
   */

  count = vfs_scandir (__dir, &eps, 0, vfs_alphasort);

  if (count < 0)
    {
      /* Error getting listing */
      return ACTION_ERR;
    }

  if (TEST_FLAG(__options->flags, AFF_FIND_RECURSIVELY))
    {
      dirs = deque_create ();
    }

  /* Get function for stat'ing */
  if (TEST_FLAG(__options->flags, AFF_FOLLOW_SYMLINKS))
    {
      stat_proc = vfs_stat;
    }
  else
    {
      stat_proc = vfs_lstat;
    }

  /* Allocate memory for full file name */
  fn_len = wcslen (__dir) + MAX_FILENAME_LEN + 1;
  full_name = malloc ((fn_len + 1) * sizeof (wchar_t));

  /* Get format mask for correct directory drilling */
  if (__dir[wcslen (__dir) - 1] == '/')
    {
      format = L"%ls%ls";
    }
  else
    {
      format = L"%ls/%ls";
    }

  for (i = 0; i < count; ++i)
    {
      if (IS_PSEUDODIR (eps[i]->name))
        {
          vfs_free_dirent (eps[i]);
          continue;
        }

      set_searching_status (__res_wnd, L"Searching in", __rel_dir);

      /* Get full file name */
      swprintf (full_name, fn_len, format, __dir, eps[i]->name);

      /* Stat current node of FS */
      if (!stat_proc (full_name, &stat) == VFS_OK)
        {
          /* Error getting status of file */
          vfs_free_dirent (eps[i]);
          continue;
        }

      if (S_ISREG (stat.st_mode))
        {
          if (check_regular_file (eps[i]->name, full_name,
                                  __options, __res_wnd))
            {
              append_result (__rel_dir, eps[i]->name, stat, __res_wnd);
              ++__res_wnd->found_files;
            }
        }
      else if (S_ISDIR (stat.st_mode))
        {
          /* Of user wants directories to be found... */
          if (TEST_FLAG(__options->flags, AFF_FIND_DIRECTORIES))
            {
              if (check_directory (eps[i]->name, full_name,
                                   __options, __res_wnd))
                {
                  append_result (__rel_dir, eps[i]->name, stat, __res_wnd);
                  ++__res_wnd->found_dirs;
                }
            }

          if (TEST_FLAG(__options->flags, AFF_FIND_RECURSIVELY))
            {
              dir_data = malloc (2 * sizeof (wchar_t));
              dir_data[0] = wcsdup (eps[i]->name);
              dir_data[1] = wcsdup (full_name);
              deque_push_back (dirs, (void*)dir_data);
            }
        }
      else
        {
          if (check_special_file (eps[i]->name, full_name,
                                  __options, __res_wnd))
            {
              append_result (__rel_dir, eps[i]->name, stat, __res_wnd);
              ++__res_wnd->found_files;
            }
        }

      vfs_free_dirent (eps[i]);

      hook_call (L"switch-task-hook", NULL);

      if (ACTION_PERFORMED (__res_wnd))
        {
          /* Free remain dirents */
          for (j = i + 1; j < count; ++j)
            {
              vfs_free_dirent (eps[j]);
            }
          break;
        }
    }

  SAFE_FREE (eps);
  free (full_name);

  if (TEST_FLAG(__options->flags, AFF_FIND_RECURSIVELY) &&
      !ACTION_PERFORMED (__res_wnd))
    {
      void *data;
      wchar_t *rel_name;

      if (__rel_dir[wcslen (__rel_dir) - 1] == '/')
        {
          format = L"%ls%ls";
        }
      else
        {
          format = L"%ls/%ls";
        }

      fn_len = wcslen (__dir) + MAX_FILENAME_LEN + 1;
      rel_name = malloc ((fn_len + 1) * sizeof (wchar_t));

      deque_foreach (dirs, data);
        /* Drill relative file name */

        dir_data = data;
        if (!ACTION_PERFORMED (__res_wnd))
          {
            swprintf (rel_name, fn_len, format, __rel_dir, dir_data[0]);
            find_iteration (dir_data[1], rel_name, __options, __res_wnd);
          }
        free (dir_data);
      deque_foreach_done
    }
Example #20
0
int main(int argc, char *argv[]) {

	int sock_control;
	boolean has_quit = 0;
	struct sockaddr_in address;
	
	if (argc != 3) {
	
     	fprintf(stderr, "USAGE: a2client <ip_address> <port_number>\n");
    		exit(1);
    }


    //create a tcp socket
    if ((sock_control = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
    
		perror("\nError in socket()");
		exit(1);
    }
    
    //construct the struct
    memset(&address, 0, sizeof(address));       		/* Clear struct */
    address.sin_family = AF_INET;                  	/* Internet/IP */
    address.sin_addr.s_addr = inet_addr(argv[1]);  	/* IP address */
    address.sin_port = htons(atoi(argv[2]));       	/* server port */
    
    //connect to the server
    if (connect(sock_control, (struct sockaddr *) &address, sizeof(address)) < 0) {
		perror("\nError in connect()");
		exit(1);
    }


    //keep getting input from client until they enter QUIT command
    //these input from client will be sent as commands to server
    while(has_quit == FALSE){
    
	    char command[MAX_LENGTH];
	    char command_temp[MAX_LENGTH];
	    fgets(command, MAX_LENGTH, stdin);	//get input from user 
	    strcat(command, "\r\n");
	    strcpy(command_temp, command);
	    
	    boolean has_write = TRUE;
	    
	    //if doing a PUT command, check if the file in your directory does in fact exist
	    //if the file does not exists on our (client) directory, do not bother sending 
	    //this PUT command to the server
	    //(since on a PUT, the server actually makes an empty file in its directory assuming that
	    //it is going to get data to put in it)
	    if(strncmp("PUT", command, 3) == 0){
	    		has_write = check_directory(command_temp);
	    }

		
	    if(has_write == TRUE){
	    
		    //send command to server
		    if(write(sock_control, command, strlen(command)) < 0){
		    		perror("\nError in write()");
		    		exit(1);
		    }
		    
		    char response[MAX_LENGTH];
		    int n;
		    //read response from server
		    if((n = read(sock_control, response, MAX_LENGTH-1))){

		          response[n] = '\0';
		    		fprintf(stderr, "%s", response);
		    }
		    
		    //if user enters GET, LIST or PUT
		    //will not make a data connection if a response is anything other
		    //than 103 Command okay	
		    if(strncmp("103", response, 3) == 0){
		    		
		    		
		    	     //if the command is ok, the client will connect to the server to form
		    		//a tcp data connection

		    		create_data_connect(command, argv[1], argv[2]);
		    
		    
		    }
		    if(strncmp("QUIT", command, 4) == 0){
				has_quit = TRUE;
		    }
		    
	    
	    }

     }










	//when client enters QUIT we quit here
	printf("\n\nProcessing complete\n\n");
  	exit(0);
  	
	
  	
}
Example #21
0
int main()
{
    /* Declare automatic variables. */

    size_t  cmdlen  = 0;
    char *  cmdline = NULL;
    int     retval;

    /* Display the banner. */

    print_banner();

    /* Display the usage information if the command line is empty. */

    cmdlen = _bgetcmd( NULL, 0 );
    if( cmdlen == 0 ) {
        print_usage();
        return( EXIT_FAILURE );
    }

    /* Include space for the terminating null character. */

    cmdlen++;

    /* Get the command line. */

    cmdline = malloc( cmdlen );
    if( cmdline == NULL ) {
        return( EXIT_FAILURE );
    }

    cmdlen = _bgetcmd( cmdline, cmdlen );

    /* Initialize the globals. */

    initialize_globals();
    res_initialize_globals();

    /* Initialize the statics, which should be globals in gendev. */

    cur_file = (file_info *) malloc( sizeof( file_info ) );
    cur_file->filebuf = (char * ) malloc( BUF_SIZE );
    cur_file->buflen = BUF_SIZE;
    cur_file->scanptr = NULL;
    cur_file->usedlen = 0;

    cur_token = (token *) malloc( sizeof( token ) );

    /* Parse the command line: allocates and sets tgt_path. */

    retval = parse_cmdline( cmdline );
    if( retval == FAILURE ) {
        free( cmdline );
        return( EXIT_FAILURE );
    }

    /* Free the memory held by cmdline and reset it. */

    free( cmdline );
    cmdline = NULL;

    /* Check all files in current directory. */

    retval = check_directory();

    /* Free the memory held by tgt_path and the statics. */

    free( tgt_path );
    tgt_path = NULL;
    free( cur_file->filebuf );
    cur_file->filebuf = NULL;
    free( cur_file );
    cur_file = NULL;
    free( cur_token );
    cur_token = NULL;

    /* Print the useage if the process failed. */

    if( retval == FAILURE ) {
      print_usage();
      return( EXIT_FAILURE );
    }
    
    return( EXIT_SUCCESS );
}
Example #22
0
//!
//! Defines the thread that does the actual reboot of an instance.
//!
//! @param[in] arg a transparent pointer to the argument passed to this thread handler
//!
//! @return Always return NULL
//!
static void *rebooting_thread(void *arg)
{
    char *xml = NULL;
    char resourceName[1][MAX_SENSOR_NAME_LEN] = { "" };
    char resourceAlias[1][MAX_SENSOR_NAME_LEN] = { "" };
    //    ncInstance *instance = ((ncInstance *) arg);
    ncInstance *instance = NULL;
    struct nc_state_t *nc = NULL;
    virDomainPtr dom = NULL;
    virConnectPtr conn = NULL;
    rebooting_thread_params *params = ((rebooting_thread_params *) arg);
    instance = &(params->instance);
    nc = &(params->nc);

    LOGDEBUG("[%s] spawning rebooting thread\n", instance->instanceId);

    if ((conn = lock_hypervisor_conn()) == NULL) {
        LOGERROR("[%s] cannot connect to hypervisor to restart instance, giving up\n", instance->instanceId);
        EUCA_FREE(params);
        return NULL;
    }
    dom = virDomainLookupByName(conn, instance->instanceId);
    if (dom == NULL) {
        LOGERROR("[%s] cannot locate instance to reboot, giving up\n", instance->instanceId);
        unlock_hypervisor_conn();
        EUCA_FREE(params);
        return NULL;
    }
    // obtain the most up-to-date XML for domain from libvirt
    xml = virDomainGetXMLDesc(dom, 0);
    if (xml == NULL) {
        LOGERROR("[%s] cannot obtain metadata for instance to reboot, giving up\n", instance->instanceId);
        virDomainFree(dom);            // release libvirt resource
        unlock_hypervisor_conn();
        EUCA_FREE(params);
        return NULL;
    }
    virDomainFree(dom);                // release libvirt resource
    unlock_hypervisor_conn();

    // try shutdown first, then kill it if uncooperative
    if (shutdown_then_destroy_domain(instance->instanceId, TRUE) != EUCA_OK) {
        LOGERROR("[%s] failed to shutdown and destroy the instance to reboot, giving up\n", instance->instanceId);
        EUCA_FREE(params);
        return NULL;
    }
    // Add a shift to values of three of the metrics: ones that
    // drop back to zero after a reboot. The shift, which is based
    // on the latest value, ensures that values sent upstream do
    // not go backwards .
    sensor_shift_metric(instance->instanceId, "CPUUtilization");
    sensor_shift_metric(instance->instanceId, "NetworkIn");
    sensor_shift_metric(instance->instanceId, "NetworkOut");

    if ((conn = lock_hypervisor_conn()) == NULL) {
        LOGERROR("[%s] cannot connect to hypervisor to restart instance, giving up\n", instance->instanceId);
        EUCA_FREE(params);
        return NULL;
    }
    // domain is now shut down, create a new one with the same XML
    LOGINFO("[%s] rebooting\n", instance->instanceId);
    if (!strcmp(nc->pEucaNet->sMode, NETMODE_VPCMIDO)) {
        // need to sleep to allow midolman to update the VM interface
        sleep(10);
    }
    dom = virDomainCreateLinux(conn, xml, 0);
    if (dom == NULL) {
        LOGERROR("[%s] failed to restart instance\n", instance->instanceId);
        change_state(instance, SHUTOFF);
    } else {
        euca_strncpy(resourceName[0], instance->instanceId, MAX_SENSOR_NAME_LEN);
        sensor_refresh_resources(resourceName, resourceAlias, 1);   // refresh stats so we set base value accurately
        virDomainFree(dom);

        if (!strcmp(nc->pEucaNet->sMode, NETMODE_VPCMIDO)) {
            char iface[16], cmd[EUCA_MAX_PATH], obuf[256], ebuf[256], sPath[EUCA_MAX_PATH];
            int rc;
            snprintf(iface, 16, "vn_%s", instance->instanceId);
            
            // If this device does not have a 'brport' path, this isn't a bridge device
            snprintf(sPath, EUCA_MAX_PATH, "/sys/class/net/%s/brport/", iface);
            if (!check_directory(sPath)) {
                LOGDEBUG("[%s] removing instance interface %s from host bridge\n", instance->instanceId, iface);
                snprintf(cmd, EUCA_MAX_PATH, "%s brctl delif %s %s", nc->rootwrap_cmd_path, instance->params.guestNicDeviceName, iface);
                rc = timeshell(cmd, obuf, ebuf, 256, 10);
                if (rc) {
                    LOGERROR("unable to remove instance interface from bridge after launch: instance will not be able to connect to midonet (will not connect to network): check bridge/libvirt/kvm health\n");
                }
            }

            // Repeat process for secondary interfaces as well
            for (int i=0; i < EUCA_MAX_NICS; i++) {
                if (strlen(instance->secNetCfgs[i].interfaceId) == 0)
                    continue;

                snprintf(iface, 16, "vn_%s", instance->secNetCfgs[i].interfaceId);

                // If this device does not have a 'brport' path, this isn't a bridge device
                snprintf(sPath, EUCA_MAX_PATH, "/sys/class/net/%s/brport/", iface);
                if (!check_directory(sPath)) {
                    LOGDEBUG("[%s] removing instance interface %s from host bridge\n", instance->instanceId, iface);
                    snprintf(cmd, EUCA_MAX_PATH, "%s brctl delif %s %s", nc->rootwrap_cmd_path, instance->params.guestNicDeviceName, iface);
                    rc = timeshell(cmd, obuf, ebuf, 256, 10);
                    if (rc) {
                        LOGERROR("unable to remove instance interface from bridge after launch: instance will not be able to connect to midonet (will not connect to network): check bridge/libvirt/kvm health\n");
                    }
                }
            }
        }

    }
    EUCA_FREE(xml);

    unlock_hypervisor_conn();
    unset_corrid(get_corrid());
    EUCA_FREE(params);
    return NULL;
}
Example #23
0
static krb5_error_code KRB5_LIB_CALL
kuserok_user_k5login_plug_f(void *plug_ctx, krb5_context context,
			    const char *rule, unsigned int flags,
			    const char *k5login_dir, const char *luser,
			    krb5_const_principal principal,
			    krb5_boolean *result)
{
#ifdef _WIN32
    return KRB5_PLUGIN_NO_HANDLE;
#else
    char *path;
    char *path_exp;
    const char *profile_dir = NULL;
    krb5_error_code ret;
    krb5_boolean found_file = FALSE;
    struct passwd pw, *pwd = NULL;
    char pwbuf[2048];

    if (strcmp(rule, "USER-K5LOGIN") != 0)
	return KRB5_PLUGIN_NO_HANDLE;

    profile_dir = k5login_dir;
    if (profile_dir == NULL) {
	/* Don't deadlock with gssd or anything of the sort */
	if (!_krb5_homedir_access(context))
	    return KRB5_PLUGIN_NO_HANDLE;

	if (getpwnam_r(luser, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0) {
	    krb5_set_error_message(context, errno, "User unknown (getpwnam_r())");
	    return KRB5_PLUGIN_NO_HANDLE;
	}
	if (pwd == NULL) {
	    krb5_set_error_message(context, errno, "User unknown (getpwnam())");
	    return KRB5_PLUGIN_NO_HANDLE;
	}
	profile_dir = pwd->pw_dir;
    }

#define KLOGIN "/.k5login"

    if (asprintf(&path, "%s/.k5login.d", profile_dir) == -1)
	return krb5_enomem(context);

    ret = _krb5_expand_path_tokensv(context, path, 1, &path_exp,
				    "luser", luser, NULL);
    free(path);
    if (ret)
	return ret;
    path = path_exp;

    /* check user's ~/.k5login */
    path[strlen(path) - strlen(".d")] = '\0';
    ret = check_one_file(context, path, luser, FALSE, principal, result);

    /*
     * A match in ~/.k5login is sufficient.  A non-match, falls through to the
     * .k5login.d code below.
     */
    if (ret == 0 && *result == TRUE) {
	free(path);
	return 0;
    }
    if (ret != ENOENT)
	found_file = TRUE;

    /*
     * A match in ~/.k5login.d/somefile is sufficient.  A non-match, falls
     * through to the code below that handles negative results.
     *
     * XXX: put back the .d; clever|hackish? you decide
     */
    path[strlen(path)] = '.';
    ret = check_directory(context, path, luser, FALSE, principal, result);
    free(path);
    if (ret == 0 && *result == TRUE)
	return 0;
    if (ret != ENOENT && ret != ENOTDIR)
	found_file = TRUE;

    /*
     * When either ~/.k5login or ~/.k5login.d/ exists, but neither matches
     * and we're authoritative, we're done.  Otherwise, give other plugins
     * a chance.
     */
    *result = FALSE;
    if (found_file && (flags & KUSEROK_K5LOGIN_IS_AUTHORITATIVE))
	return 0;
    return KRB5_PLUGIN_NO_HANDLE;
#endif
}
Example #24
0
int
main(int argc, const char **argv)
{
    int res = 0;
    int optCount = 0;

    dbgIn = stdin;
    conOut = stdout;
    (void)conIn;
    (void)dbgOut;

    memset(&cache, 0, sizeof(LIST));
    memset(&sources, 0, sizeof(LIST));
    stat_clear(&summ);
    memset(&revinfo, 0, sizeof(REVINFO));
    clearLastLine();

    optionInit(argc, argv);
    optCount = optionParse(argc, argv);
    if (optCount < 0)
    {
        return optCount;
    }

    argc -= optCount;

    if (opt_Revision && (strcmp(opt_Revision, "update") == 0))
    {
        res = updateSvnlog();
        return res;
    }

    if (check_directory(opt_force))
        return 3;

    create_cache(opt_force, 0);
    if (opt_exit)
        return 0;

    read_cache();
    l2l_dbg(4, "Cache read complete\n");

    if (set_LogFile(&logFile))
        return 2;
    l2l_dbg(4, "opt_logFile processed\n");

    if (opt_Pipe)
    {
        l2l_dbg(3, "Command line: \"%s\"\n",opt_Pipe);

        if (!(dbgIn = POPEN(opt_Pipe, "r")))
        {
            dbgIn = stdin; //restore
            l2l_dbg(0, "Could not popen '%s' (%s)\n", opt_Pipe, strerror(errno));
            free(opt_Pipe); opt_Pipe = NULL;
        }
    }
    l2l_dbg(4, "opt_Pipe processed\n");

    if (argc > 1)
    {   // translate {<exefile> <offset>}
        int i = 1;
        const char *exefile = NULL;
        const char *offset = NULL;
        char Line[LINESIZE + 1];

        while (i < argc)
        {
            Line[0] = '\0';
            offset = argv[optCount + i++];
            if (isOffset(offset))
            {
                if (exefile)
                {
                    l2l_dbg(2, "translating %s %s\n", exefile, offset);
                    translate_file(exefile, my_atoi(offset), Line);
                    printf("%s\n", Line);
                    report(conOut);
                }
                else
                {
                    l2l_dbg(0, "<exefile> expected\n");
                    res = 3;
                    break;
                }
            }
            else
            {
                // Not an offset so must be an exefile:
                exefile = offset;
            }
        }
    }
    else
    {   // translate logging from stdin
        translate_files(dbgIn, conOut);
    }

    if (logFile)
        fclose(logFile);

    if (opt_Pipe)
        PCLOSE(dbgIn);

    return res;
}
Example #25
0
static int
inode_callback(sam_perm_inode_t *ip, void *arg) {
	inode_cb_arg_t *cb_arg = (inode_cb_arg_t *)arg;
	boolean_t retry_inode;

	/* Inodes that shouldn't be checked */
	if (!IS_DB_INODE(ip->di.id.ino) ||
	    !IS_DB_INODE(ip->di.parent_id.ino)) {
		return (0);
	}

retry:
	retry_inode = FALSE;
	if (ip->di.id.ino == cur_check.inode.ino) {
		if (ip->di.mode == 0 || S_ISEXT(ip->di.mode)) {
			QUIET_PRINT(stderr, "Inactive inode %d "
			    "found in database.\n",
			    ip->di.id.ino);
			add_repair_entry(ip->di.id,
			    ip->di.parent_id, TRUE);
		} else {
			/*
			 * Check the inode and directory.  Repair reason
			 * is printed in the corresponding check method.
			 */
			if (check_inode(ip) < 0) {
				add_repair_entry(ip->di.id,
				    ip->di.parent_id, FALSE);
			} else if (!fast_scan && S_ISDIR(ip->di.mode)) {
				if (check_directory(cb_arg->dir_con,
				    cb_arg->dir_stmt, ip) < 0) {
					add_repair_entry(ip->di.id,
					    ip->di.parent_id, TRUE);
				}
			}
		}
	} else if (ip->di.id.ino < cur_check.inode.ino) {
		/* In-use inodes should be in database */
		if (!(ip->di.mode == 0 || S_ISEXT(ip->di.mode))) {
			QUIET_PRINT(stderr, "Inode %d does "
			    "not exist in database.\n",
			    ip->di.id.ino);
			add_repair_entry(ip->di.id,
			    ip->di.parent_id, TRUE);
		}
		return (0);
	} else { /* ip->di.id.ino > cur_check.inode.ino */
		/* Database is incorrect, parent unknown */
		QUIET_PRINT(stderr, "Erroneous inode %d "
		    "found in database.\n",
		    cur_check.inode.ino);
		sam_id_t id = {cur_check.inode.ino,
		    cur_check.inode.gen};
		sam_id_t pid = {0, 0};
		add_repair_entry(id, pid, TRUE);
		retry_inode = TRUE;
	}

	/* Get next inode to check from database. */
	if (next_check_ino(cb_arg->check_stmt) < 0) {
		fprintf(stderr, "Error getting check value.\n");
		return (-1);
	}

	if (retry_inode) {
		goto retry;
	}

	return (0);
}
//!
//! Initialize the backing store. Called during initialization of node controller.
//!
//! @param[in] conf_instances_path path to where the instances information are stored
//! @param[in] conf_work_size_mb the work blobstore size limit in MB (if 0 then unlimitted)
//! @param[in] conf_cache_size_mb the cache blobstore size limit in MB (if 0 then cache isn't used)
//!
//! @return EUCA_OK on success or the following error codes:
//!         \li EUCA_INVALID_ERROR: if any parameter does not meet the preconditions
//!         \li EUCA_ACCESS_ERROR: if we fail to access our cache and work directories
//!         \li EUCA_PERMISSION_ERROR: if we fail to create the cache or work stores.
//!
//! @pre The conf_instances_path field must not be NULL
//!
//! @post On success, the backing store module is initialized and the following happened:
//!       \li our global instance_path variable is set with the given conf_instance_path
//!       \li the work blobstore is created and our global work_bs variable is set
//!       \li the cache blobstore is created if necessary and the cache_bs variable is set
//!       \li the disk semaphore is created if necessary
//!
int init_backing_store(const char *conf_instances_path, unsigned int conf_work_size_mb, unsigned int conf_cache_size_mb)
{
    char cache_path[EUCA_MAX_PATH] = "";
    char work_path[EUCA_MAX_PATH] = "";
    unsigned long long cache_limit_blocks = 0;
    unsigned long long work_limit_blocks = 0;
    blobstore_snapshot_t snapshot_policy = BLOBSTORE_SNAPSHOT_ANY;

    LOGINFO("initializing backing store...\n");

    // Make sure we have a valid intance path passed to us
    if (conf_instances_path == NULL) {
        LOGERROR("INSTANCE_PATH not specified\n");
        return (EUCA_INVALID_ERROR);
    }
    // Set our global instance_path variable with the content of conf_instance_path
    euca_strncpy(instances_path, conf_instances_path, sizeof(instances_path));
    if (check_directory(instances_path)) {
        LOGERROR("INSTANCE_PATH (%s) does not exist!\n", instances_path);
        return (EUCA_ACCESS_ERROR);
    }
    // Check if our cache path exist. If not it should get crated
    snprintf(cache_path, sizeof(cache_path), "%s/cache", instances_path);
    if (ensure_directories_exist(cache_path, 0, NULL, NULL, BACKING_DIRECTORY_PERM) == -1)
        return (EUCA_ACCESS_ERROR);

    // Check if our work path exist. If not it should get crated
    snprintf(work_path, sizeof(work_path), "%s/work", instances_path);
    if (ensure_directories_exist(work_path, 0, NULL, NULL, BACKING_DIRECTORY_PERM) == -1)
        return (EUCA_ACCESS_ERROR);

    // convert MB to blocks
    cache_limit_blocks = (unsigned long long)conf_cache_size_mb *2048;
    work_limit_blocks = (unsigned long long)conf_work_size_mb *2048;

    // we take 0 as unlimited
    if (work_limit_blocks == 0) {
        work_limit_blocks = ULLONG_MAX;
    }
    // by default we let blobstore pick the snapshot policy, which
    // will use device mapper if available, which is faster than copying
    snapshot_policy = BLOBSTORE_SNAPSHOT_ANY;
    if (nc_state.disable_snapshots) {
        LOGINFO("if allocating storage, will avoid using snapshots\n");
        snapshot_policy = BLOBSTORE_SNAPSHOT_NONE;
    }
    // Set the backing store error callback function
    blobstore_set_error_function(&bs_errors);

    // Do we need to create a cache blobstore
    if (cache_limit_blocks) {
        cache_bs = blobstore_open(cache_path, cache_limit_blocks, BLOBSTORE_FLAG_CREAT, BLOBSTORE_FORMAT_DIRECTORY, BLOBSTORE_REVOCATION_LRU, snapshot_policy);
        if (cache_bs == NULL) {
            LOGERROR("failed to open/create cache blobstore: %s\n", blobstore_get_error_str(blobstore_get_error()));
            return (EUCA_PERMISSION_ERROR);
        }
    }
    // Lets open the work blobstore
    work_bs = blobstore_open(work_path, work_limit_blocks, BLOBSTORE_FLAG_CREAT, BLOBSTORE_FORMAT_FILES, BLOBSTORE_REVOCATION_NONE, snapshot_policy);
    if (work_bs == NULL) {
        LOGERROR("failed to open/create work blobstore: %s\n", blobstore_get_error_str(blobstore_get_error()));
        LOGERROR("%s\n", blobstore_get_last_trace());
        BLOBSTORE_CLOSE(cache_bs);
        return (EUCA_PERMISSION_ERROR);
    }
    // set the initial value of the semaphore to the number of
    // disk-intensive operations that can run in parallel on this node
    if (nc_state.concurrent_disk_ops && ((disk_sem = sem_alloc(nc_state.concurrent_disk_ops, IPC_MUTEX_SEMAPHORE)) == NULL)) {
        LOGERROR("failed to create and initialize disk semaphore\n");
        return (EUCA_PERMISSION_ERROR);
    }

    return (EUCA_OK);
}
Example #27
0
static UINT search_directory( MSIPACKAGE *package, MSISIGNATURE *sig, const WCHAR *path, int depth, WCHAR **appValue )
{
    UINT rc;
    DWORD attr;
    LPWSTR val = NULL;

    TRACE("%p, %p, %s, %d, %p\n", package, sig, debugstr_w(path), depth, appValue);

    if (is_full_path( path ))
    {
        if (sig->File)
            rc = recurse_search_directory( package, &val, sig, path, depth );
        else
        {
            /* Recursively searching a directory makes no sense when the
             * directory to search is the thing you're trying to find.
             */
            rc = check_directory( package, path, &val );
        }
    }
    else
    {
        WCHAR pathWithDrive[MAX_PATH] = { 'C',':','\\',0 };
        DWORD drives = GetLogicalDrives();
        int i;

        rc = ERROR_SUCCESS;
        for (i = 0; rc == ERROR_SUCCESS && !val && i < 26; i++)
        {
            if (!(drives & (1 << i)))
                continue;

            pathWithDrive[0] = 'A' + i;
            if (GetDriveTypeW(pathWithDrive) != DRIVE_FIXED)
                continue;

            lstrcpynW(pathWithDrive + 3, path, ARRAY_SIZE(pathWithDrive) - 3);

            if (sig->File)
                rc = recurse_search_directory( package, &val, sig, pathWithDrive, depth );
            else
                rc = check_directory( package, pathWithDrive, &val );
        }
    }

    attr = msi_get_file_attributes( package, val );
    if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY) &&
        val && val[lstrlenW(val) - 1] != '\\')
    {
        val = msi_realloc(val, (lstrlenW(val) + 2) * sizeof(WCHAR));
        if (!val)
            rc = ERROR_OUTOFMEMORY;
        else
            PathAddBackslashW(val);
    }

    *appValue = val;

    TRACE("returning %d\n", rc);
    return rc;
}