mirror of git://git.sysmocom.de/ofono
1191 lines
26 KiB
C
1191 lines
26 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program 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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdio.h>
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#include <glib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <dirent.h>
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#include "ofono.h"
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#include "simfs.h"
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#include "simutil.h"
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#include "storage.h"
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#define SIM_CACHE_MODE 0600
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#define SIM_CACHE_BASEPATH STORAGEDIR "/%s-%i"
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#define SIM_CACHE_VERSION SIM_CACHE_BASEPATH "/version"
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#define SIM_CACHE_PATH SIM_CACHE_BASEPATH "/%04x"
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#define SIM_CACHE_HEADER_SIZE 39
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#define SIM_FILE_INFO_SIZE 7
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#define SIM_IMAGE_CACHE_BASEPATH STORAGEDIR "/%s-%i/images"
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#define SIM_IMAGE_CACHE_PATH SIM_IMAGE_CACHE_BASEPATH "/%d.xpm"
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#define SIM_FS_VERSION 2
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static gboolean sim_fs_op_next(gpointer user_data);
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static gboolean sim_fs_op_read_record(gpointer user);
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static gboolean sim_fs_op_read_block(gpointer user_data);
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struct sim_fs_op {
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int id;
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unsigned char *buffer;
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enum ofono_sim_file_structure structure;
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unsigned short offset;
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gboolean info_only;
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int num_bytes;
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int length;
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int record_length;
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int current;
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unsigned char path[6];
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unsigned char path_len;
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gconstpointer cb;
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gboolean is_read;
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void *userdata;
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struct ofono_sim_context *context;
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};
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static void sim_fs_op_free(struct sim_fs_op *node)
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{
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g_free(node->buffer);
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g_free(node);
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}
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struct sim_fs {
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GQueue *op_q;
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gint op_source;
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unsigned char bitmap[32];
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int fd;
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struct ofono_sim *sim;
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const struct ofono_sim_driver *driver;
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GSList *contexts;
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};
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void sim_fs_free(struct sim_fs *fs)
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{
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if (fs == NULL)
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return;
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if (fs->op_source) {
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g_source_remove(fs->op_source);
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fs->op_source = 0;
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}
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/*
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* Note: users of sim_fs must not assume that the callback happens
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* for operations still in progress
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*/
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if (fs->op_q) {
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g_queue_foreach(fs->op_q, (GFunc) sim_fs_op_free, NULL);
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g_queue_free(fs->op_q);
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fs->op_q = NULL;
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}
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while (fs->contexts)
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sim_fs_context_free(fs->contexts->data);
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g_free(fs);
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}
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struct file_watch {
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struct ofono_watchlist_item item;
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int ef;
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};
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struct ofono_sim_context {
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struct sim_fs *fs;
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struct ofono_watchlist *file_watches;
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};
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struct sim_fs *sim_fs_new(struct ofono_sim *sim,
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const struct ofono_sim_driver *driver)
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{
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struct sim_fs *fs;
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fs = g_try_new0(struct sim_fs, 1);
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if (fs == NULL)
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return NULL;
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fs->sim = sim;
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fs->driver = driver;
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fs->fd = -1;
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return fs;
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}
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struct ofono_sim_context *sim_fs_context_new(struct sim_fs *fs)
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{
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struct ofono_sim_context *context =
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g_try_new0(struct ofono_sim_context, 1);
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if (context == NULL)
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return NULL;
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context->fs = fs;
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fs->contexts = g_slist_prepend(fs->contexts, context);
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return context;
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}
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void sim_fs_context_free(struct ofono_sim_context *context)
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{
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struct sim_fs *fs = context->fs;
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int n = 0;
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struct sim_fs_op *op;
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if (fs->op_q) {
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while ((op = g_queue_peek_nth(fs->op_q, n)) != NULL) {
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if (op->context != context) {
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n += 1;
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continue;
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}
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if (n == 0) {
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op->cb = NULL;
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n += 1;
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continue;
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}
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sim_fs_op_free(op);
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g_queue_remove(fs->op_q, op);
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}
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}
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if (context->file_watches)
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__ofono_watchlist_free(context->file_watches);
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fs->contexts = g_slist_remove(fs->contexts, context);
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g_free(context);
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}
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unsigned int sim_fs_file_watch_add(struct ofono_sim_context *context, int id,
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ofono_sim_file_changed_cb_t cb,
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void *userdata,
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ofono_destroy_func destroy)
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{
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struct file_watch *watch;
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if (cb == NULL)
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return 0;
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if (context->file_watches == NULL)
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context->file_watches = __ofono_watchlist_new(g_free);
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watch = g_new0(struct file_watch, 1);
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watch->ef = id;
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watch->item.notify = cb;
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watch->item.notify_data = userdata;
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watch->item.destroy = destroy;
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return __ofono_watchlist_add_item(context->file_watches,
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(struct ofono_watchlist_item *) watch);
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}
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void sim_fs_file_watch_remove(struct ofono_sim_context *context,
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unsigned int id)
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{
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__ofono_watchlist_remove_item(context->file_watches, id);
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}
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void sim_fs_notify_file_watches(struct sim_fs *fs, int id)
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{
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GSList *l;
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for (l = fs->contexts; l; l = l->next) {
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struct ofono_sim_context *context = l->data;
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GSList *k;
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for (k = context->file_watches->items; k; k = k->next) {
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struct file_watch *w = k->data;
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ofono_sim_file_changed_cb_t notify = w->item.notify;
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if (id == -1 || w->ef == id)
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notify(w->ef, w->item.notify_data);
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}
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}
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}
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static void sim_fs_end_current(struct sim_fs *fs)
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{
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struct sim_fs_op *op = g_queue_pop_head(fs->op_q);
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if (g_queue_get_length(fs->op_q) > 0)
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fs->op_source = g_idle_add(sim_fs_op_next, fs);
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if (fs->fd != -1) {
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TFR(close(fs->fd));
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fs->fd = -1;
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}
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memset(fs->bitmap, 0, sizeof(fs->bitmap));
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sim_fs_op_free(op);
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}
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static void sim_fs_op_error(struct sim_fs *fs)
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{
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struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
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if (op->cb == NULL) {
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sim_fs_end_current(fs);
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return;
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}
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if (op->info_only == TRUE)
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((sim_fs_read_info_cb_t) op->cb)
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(0, 0, 0, 0, op->userdata);
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else if (op->is_read == TRUE)
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((ofono_sim_file_read_cb_t) op->cb)
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(0, 0, 0, 0, 0, op->userdata);
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else
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((ofono_sim_file_write_cb_t) op->cb)
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(0, op->userdata);
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sim_fs_end_current(fs);
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}
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static gboolean cache_block(struct sim_fs *fs, int block, int block_len,
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const unsigned char *data, int num_bytes)
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{
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int offset;
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int bit;
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ssize_t r;
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unsigned char b;
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if (fs->fd == -1)
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return FALSE;
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if (lseek(fs->fd, block * block_len +
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SIM_CACHE_HEADER_SIZE, SEEK_SET) == (off_t) -1)
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return FALSE;
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r = TFR(write(fs->fd, data, num_bytes));
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if (r != num_bytes)
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return FALSE;
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/* update present bit for this block */
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offset = block / 8;
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bit = block % 8;
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/* lseek to correct byte (skip file info) */
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lseek(fs->fd, offset + SIM_FILE_INFO_SIZE, SEEK_SET);
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b = fs->bitmap[offset];
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b |= 1 << bit;
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r = TFR(write(fs->fd, &b, sizeof(b)));
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if (r != sizeof(b))
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return FALSE;
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fs->bitmap[offset] = b;
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return TRUE;
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}
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static void sim_fs_op_write_cb(const struct ofono_error *error, void *data)
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{
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struct sim_fs *fs = data;
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struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
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ofono_sim_file_write_cb_t cb = op->cb;
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if (cb == NULL) {
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sim_fs_end_current(fs);
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return;
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}
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if (error->type == OFONO_ERROR_TYPE_NO_ERROR)
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cb(1, op->userdata);
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else
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cb(0, op->userdata);
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sim_fs_end_current(fs);
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}
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static void sim_fs_op_read_block_cb(const struct ofono_error *error,
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const unsigned char *data, int len,
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void *user)
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{
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struct sim_fs *fs = user;
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struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
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int start_block;
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int end_block;
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int bufoff;
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int dataoff;
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int tocopy;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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sim_fs_op_error(fs);
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return;
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}
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start_block = op->offset / 256;
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end_block = (op->offset + (op->num_bytes - 1)) / 256;
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if (op->current == start_block) {
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bufoff = 0;
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dataoff = op->offset % 256;
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tocopy = MIN(256 - op->offset % 256,
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op->num_bytes - op->current * 256);
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} else {
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bufoff = (op->current - start_block - 1) * 256 +
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op->offset % 256;
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dataoff = 0;
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tocopy = MIN(256, op->num_bytes - op->current * 256);
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}
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DBG("bufoff: %d, dataoff: %d, tocopy: %d",
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bufoff, dataoff, tocopy);
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memcpy(op->buffer + bufoff, data + dataoff, tocopy);
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cache_block(fs, op->current, 256, data, len);
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if (op->cb == NULL) {
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sim_fs_end_current(fs);
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return;
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}
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op->current++;
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if (op->current > end_block) {
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ofono_sim_file_read_cb_t cb = op->cb;
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cb(1, op->num_bytes, 0, op->buffer,
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op->record_length, op->userdata);
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sim_fs_end_current(fs);
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} else {
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fs->op_source = g_idle_add(sim_fs_op_read_block, fs);
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}
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}
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static gboolean sim_fs_op_read_block(gpointer user_data)
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{
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struct sim_fs *fs = user_data;
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struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
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int start_block;
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int end_block;
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unsigned short read_bytes;
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fs->op_source = 0;
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if (op->cb == NULL) {
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sim_fs_end_current(fs);
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return FALSE;
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}
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start_block = op->offset / 256;
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end_block = (op->offset + (op->num_bytes - 1)) / 256;
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if (op->current == start_block) {
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op->buffer = g_try_new0(unsigned char, op->num_bytes);
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if (op->buffer == NULL) {
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sim_fs_op_error(fs);
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return FALSE;
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}
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}
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while (fs->fd != -1 && op->current <= end_block) {
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int offset = op->current / 8;
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int bit = 1 << op->current % 8;
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int bufoff;
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int seekoff;
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int toread;
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if ((fs->bitmap[offset] & bit) == 0)
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break;
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if (op->current == start_block) {
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bufoff = 0;
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seekoff = SIM_CACHE_HEADER_SIZE + op->current * 256 +
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op->offset % 256;
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toread = MIN(256 - op->offset % 256,
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op->num_bytes - op->current * 256);
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} else {
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bufoff = (op->current - start_block - 1) * 256 +
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op->offset % 256;
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seekoff = SIM_CACHE_HEADER_SIZE + op->current * 256;
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toread = MIN(256, op->num_bytes - op->current * 256);
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}
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DBG("bufoff: %d, seekoff: %d, toread: %d",
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bufoff, seekoff, toread);
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if (lseek(fs->fd, seekoff, SEEK_SET) == (off_t) -1)
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break;
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if (TFR(read(fs->fd, op->buffer + bufoff, toread)) != toread)
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break;
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op->current += 1;
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}
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if (op->current > end_block) {
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ofono_sim_file_read_cb_t cb = op->cb;
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cb(1, op->num_bytes, 0, op->buffer,
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op->record_length, op->userdata);
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sim_fs_end_current(fs);
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return FALSE;
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}
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if (fs->driver->read_file_transparent == NULL) {
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sim_fs_op_error(fs);
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return FALSE;
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}
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read_bytes = MIN(op->length - op->current * 256, 256);
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fs->driver->read_file_transparent(fs->sim, op->id,
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op->current * 256,
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read_bytes,
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op->path_len ? op->path : NULL,
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op->path_len,
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sim_fs_op_read_block_cb, fs);
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return FALSE;
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}
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static void sim_fs_op_retrieve_cb(const struct ofono_error *error,
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const unsigned char *data, int len,
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void *user)
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{
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struct sim_fs *fs = user;
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struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
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int total = op->length / op->record_length;
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ofono_sim_file_read_cb_t cb = op->cb;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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sim_fs_op_error(fs);
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return;
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}
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cache_block(fs, op->current - 1, op->record_length,
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data, op->record_length);
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if (cb == NULL) {
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sim_fs_end_current(fs);
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return;
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}
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cb(1, op->length, op->current, data, op->record_length, op->userdata);
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if (op->current < total) {
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op->current += 1;
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fs->op_source = g_idle_add(sim_fs_op_read_record, fs);
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} else {
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sim_fs_end_current(fs);
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}
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}
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static gboolean sim_fs_op_read_record(gpointer user)
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{
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struct sim_fs *fs = user;
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struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
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const struct ofono_sim_driver *driver = fs->driver;
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int total = op->length / op->record_length;
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unsigned char buf[256];
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fs->op_source = 0;
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if (op->cb == NULL) {
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sim_fs_end_current(fs);
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return FALSE;
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}
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while (fs->fd != -1 && op->current <= total) {
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int offset = (op->current - 1) / 8;
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int bit = 1 << ((op->current - 1) % 8);
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ofono_sim_file_read_cb_t cb = op->cb;
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if ((fs->bitmap[offset] & bit) == 0)
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break;
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if (lseek(fs->fd, (op->current - 1) * op->record_length +
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SIM_CACHE_HEADER_SIZE, SEEK_SET) == (off_t) -1)
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break;
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if (TFR(read(fs->fd, buf, op->record_length)) !=
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op->record_length)
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break;
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cb(1, op->length, op->current,
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buf, op->record_length, op->userdata);
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op->current += 1;
|
|
}
|
|
|
|
if (op->current > total) {
|
|
sim_fs_end_current(fs);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
switch (op->structure) {
|
|
case OFONO_SIM_FILE_STRUCTURE_FIXED:
|
|
if (driver->read_file_linear == NULL) {
|
|
sim_fs_op_error(fs);
|
|
return FALSE;
|
|
}
|
|
|
|
driver->read_file_linear(fs->sim, op->id, op->current,
|
|
op->record_length,
|
|
NULL, 0,
|
|
sim_fs_op_retrieve_cb, fs);
|
|
break;
|
|
case OFONO_SIM_FILE_STRUCTURE_CYCLIC:
|
|
if (driver->read_file_cyclic == NULL) {
|
|
sim_fs_op_error(fs);
|
|
return FALSE;
|
|
}
|
|
|
|
driver->read_file_cyclic(fs->sim, op->id, op->current,
|
|
op->record_length,
|
|
NULL, 0,
|
|
sim_fs_op_retrieve_cb, fs);
|
|
break;
|
|
default:
|
|
ofono_error("Unrecognized file structure, this can't happen");
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void sim_fs_op_cache_fileinfo(struct sim_fs *fs,
|
|
const struct ofono_error *error,
|
|
int length,
|
|
enum ofono_sim_file_structure structure,
|
|
int record_length,
|
|
const unsigned char access[3],
|
|
unsigned char file_status)
|
|
{
|
|
struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
enum sim_file_access update;
|
|
enum sim_file_access invalidate;
|
|
enum sim_file_access rehabilitate;
|
|
unsigned char fileinfo[SIM_CACHE_HEADER_SIZE];
|
|
gboolean cache;
|
|
char *path;
|
|
|
|
/* TS 11.11, Section 9.3 */
|
|
update = file_access_condition_decode(access[0] & 0xf);
|
|
rehabilitate = file_access_condition_decode((access[2] >> 4) & 0xf);
|
|
invalidate = file_access_condition_decode(access[2] & 0xf);
|
|
|
|
/* Never cache card holder writable files */
|
|
cache = (update == SIM_FILE_ACCESS_ADM ||
|
|
update == SIM_FILE_ACCESS_NEVER) &&
|
|
(invalidate == SIM_FILE_ACCESS_ADM ||
|
|
invalidate == SIM_FILE_ACCESS_NEVER) &&
|
|
(rehabilitate == SIM_FILE_ACCESS_ADM ||
|
|
rehabilitate == SIM_FILE_ACCESS_NEVER);
|
|
|
|
if (imsi == NULL || phase == OFONO_SIM_PHASE_UNKNOWN || cache == FALSE)
|
|
return;
|
|
|
|
memset(fileinfo, 0, SIM_CACHE_HEADER_SIZE);
|
|
|
|
fileinfo[0] = error->type;
|
|
fileinfo[1] = length >> 8;
|
|
fileinfo[2] = length & 0xff;
|
|
fileinfo[3] = structure;
|
|
fileinfo[4] = record_length >> 8;
|
|
fileinfo[5] = record_length & 0xff;
|
|
fileinfo[6] = file_status;
|
|
|
|
path = g_strdup_printf(SIM_CACHE_PATH, imsi, phase, op->id);
|
|
fs->fd = TFR(open(path, O_WRONLY | O_CREAT | O_TRUNC, SIM_CACHE_MODE));
|
|
g_free(path);
|
|
|
|
if (fs->fd == -1)
|
|
return;
|
|
|
|
if (TFR(write(fs->fd, fileinfo, SIM_CACHE_HEADER_SIZE)) ==
|
|
SIM_CACHE_HEADER_SIZE)
|
|
return;
|
|
|
|
TFR(close(fs->fd));
|
|
fs->fd = -1;
|
|
}
|
|
|
|
static void sim_fs_op_info_cb(const struct ofono_error *error, int length,
|
|
enum ofono_sim_file_structure structure,
|
|
int record_length,
|
|
const unsigned char access[3],
|
|
unsigned char file_status,
|
|
void *data)
|
|
{
|
|
struct sim_fs *fs = data;
|
|
struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
|
|
|
|
if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
|
|
sim_fs_op_error(fs);
|
|
return;
|
|
}
|
|
|
|
sim_fs_op_cache_fileinfo(fs, error, length, structure, record_length,
|
|
access, file_status);
|
|
|
|
if (structure != op->structure) {
|
|
ofono_error("Requested file structure differs from SIM: %x",
|
|
op->id);
|
|
sim_fs_op_error(fs);
|
|
return;
|
|
}
|
|
|
|
if (op->cb == NULL) {
|
|
sim_fs_end_current(fs);
|
|
return;
|
|
}
|
|
|
|
op->structure = structure;
|
|
op->length = length;
|
|
|
|
if (structure == OFONO_SIM_FILE_STRUCTURE_TRANSPARENT) {
|
|
if (op->num_bytes == 0)
|
|
op->num_bytes = op->length;
|
|
|
|
op->record_length = length;
|
|
op->current = op->offset / 256;
|
|
|
|
if (op->info_only == FALSE)
|
|
fs->op_source = g_idle_add(sim_fs_op_read_block, fs);
|
|
} else {
|
|
op->record_length = record_length;
|
|
op->current = 1;
|
|
|
|
if (op->info_only == FALSE)
|
|
fs->op_source = g_idle_add(sim_fs_op_read_record, fs);
|
|
}
|
|
|
|
if (op->info_only == TRUE) {
|
|
/*
|
|
* It's an info-only request, so there is no need to request
|
|
* actual contents of the EF. Just return the EF-info.
|
|
*/
|
|
sim_fs_read_info_cb_t cb = op->cb;
|
|
|
|
cb(1, file_status, op->length,
|
|
op->record_length, op->userdata);
|
|
|
|
sim_fs_end_current(fs);
|
|
}
|
|
}
|
|
|
|
static gboolean sim_fs_op_check_cached(struct sim_fs *fs)
|
|
{
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
struct sim_fs_op *op = g_queue_peek_head(fs->op_q);
|
|
char *path;
|
|
int fd;
|
|
ssize_t len;
|
|
unsigned char fileinfo[SIM_CACHE_HEADER_SIZE];
|
|
int error_type;
|
|
int file_length;
|
|
enum ofono_sim_file_structure structure;
|
|
int record_length;
|
|
unsigned char file_status;
|
|
|
|
if (imsi == NULL || phase == OFONO_SIM_PHASE_UNKNOWN)
|
|
return FALSE;
|
|
|
|
path = g_strdup_printf(SIM_CACHE_PATH, imsi, phase, op->id);
|
|
|
|
if (path == NULL)
|
|
return FALSE;
|
|
|
|
fd = TFR(open(path, O_RDWR));
|
|
g_free(path);
|
|
|
|
if (fd == -1) {
|
|
if (errno != ENOENT)
|
|
DBG("Error %i opening cache file for "
|
|
"fileid %04x, IMSI %s",
|
|
errno, op->id, imsi);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
len = TFR(read(fd, fileinfo, SIM_CACHE_HEADER_SIZE));
|
|
|
|
if (len != SIM_CACHE_HEADER_SIZE)
|
|
goto error;
|
|
|
|
error_type = fileinfo[0];
|
|
file_length = (fileinfo[1] << 8) | fileinfo[2];
|
|
structure = fileinfo[3];
|
|
record_length = (fileinfo[4] << 8) | fileinfo[5];
|
|
file_status = fileinfo[6];
|
|
|
|
if (structure == OFONO_SIM_FILE_STRUCTURE_TRANSPARENT)
|
|
record_length = file_length;
|
|
|
|
if (record_length == 0 || file_length < record_length)
|
|
goto error;
|
|
|
|
op->length = file_length;
|
|
op->record_length = record_length;
|
|
memcpy(fs->bitmap, fileinfo + SIM_FILE_INFO_SIZE,
|
|
SIM_CACHE_HEADER_SIZE - SIM_FILE_INFO_SIZE);
|
|
fs->fd = fd;
|
|
|
|
if (error_type != OFONO_ERROR_TYPE_NO_ERROR ||
|
|
structure != op->structure) {
|
|
sim_fs_op_error(fs);
|
|
return TRUE;
|
|
}
|
|
|
|
if (op->info_only == TRUE) {
|
|
/*
|
|
* It's an info-only request, so there is no need to request
|
|
* actual contents of the EF. Just return the EF-info.
|
|
*/
|
|
sim_fs_read_info_cb_t cb = op->cb;
|
|
|
|
cb(1, file_status, op->length,
|
|
op->record_length, op->userdata);
|
|
|
|
sim_fs_end_current(fs);
|
|
} else if (structure == OFONO_SIM_FILE_STRUCTURE_TRANSPARENT) {
|
|
if (op->num_bytes == 0)
|
|
op->num_bytes = op->length;
|
|
|
|
op->current = op->offset / 256;
|
|
fs->op_source = g_idle_add(sim_fs_op_read_block, fs);
|
|
} else {
|
|
op->current = 1;
|
|
fs->op_source = g_idle_add(sim_fs_op_read_record, fs);
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
error:
|
|
TFR(close(fd));
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean sim_fs_op_next(gpointer user_data)
|
|
{
|
|
struct sim_fs *fs = user_data;
|
|
const struct ofono_sim_driver *driver = fs->driver;
|
|
struct sim_fs_op *op;
|
|
|
|
fs->op_source = 0;
|
|
|
|
if (fs->op_q == NULL)
|
|
return FALSE;
|
|
|
|
op = g_queue_peek_head(fs->op_q);
|
|
|
|
if (op->cb == NULL) {
|
|
sim_fs_end_current(fs);
|
|
return FALSE;
|
|
}
|
|
|
|
if (op->is_read == TRUE) {
|
|
if (sim_fs_op_check_cached(fs))
|
|
return FALSE;
|
|
|
|
driver->read_file_info(fs->sim, op->id,
|
|
op->path_len ? op->path : NULL,
|
|
op->path_len,
|
|
sim_fs_op_info_cb, fs);
|
|
} else {
|
|
switch (op->structure) {
|
|
case OFONO_SIM_FILE_STRUCTURE_TRANSPARENT:
|
|
driver->write_file_transparent(fs->sim, op->id, 0,
|
|
op->length, op->buffer,
|
|
NULL, 0, sim_fs_op_write_cb, fs);
|
|
break;
|
|
case OFONO_SIM_FILE_STRUCTURE_FIXED:
|
|
driver->write_file_linear(fs->sim, op->id, op->current,
|
|
op->length, op->buffer,
|
|
NULL, 0, sim_fs_op_write_cb, fs);
|
|
break;
|
|
case OFONO_SIM_FILE_STRUCTURE_CYCLIC:
|
|
driver->write_file_cyclic(fs->sim, op->id,
|
|
op->length, op->buffer,
|
|
NULL, 0, sim_fs_op_write_cb, fs);
|
|
break;
|
|
default:
|
|
ofono_error("Unrecognized file structure, "
|
|
"this can't happen");
|
|
}
|
|
|
|
g_free(op->buffer);
|
|
op->buffer = NULL;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
int sim_fs_read_info(struct ofono_sim_context *context, int id,
|
|
enum ofono_sim_file_structure expected_type,
|
|
sim_fs_read_info_cb_t cb, void *data)
|
|
{
|
|
struct sim_fs *fs = context->fs;
|
|
struct sim_fs_op *op;
|
|
|
|
if (cb == NULL)
|
|
return -EINVAL;
|
|
|
|
if (fs->driver == NULL)
|
|
return -EINVAL;
|
|
|
|
if (fs->driver->read_file_info == NULL)
|
|
return -ENOSYS;
|
|
|
|
if (fs->op_q == NULL)
|
|
fs->op_q = g_queue_new();
|
|
|
|
op = g_try_new0(struct sim_fs_op, 1);
|
|
if (op == NULL)
|
|
return -ENOMEM;
|
|
|
|
op->id = id;
|
|
op->structure = expected_type;
|
|
op->cb = cb;
|
|
op->userdata = data;
|
|
op->is_read = TRUE;
|
|
op->info_only = TRUE;
|
|
op->context = context;
|
|
|
|
g_queue_push_tail(fs->op_q, op);
|
|
|
|
if (g_queue_get_length(fs->op_q) == 1)
|
|
fs->op_source = g_idle_add(sim_fs_op_next, fs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int sim_fs_read(struct ofono_sim_context *context, int id,
|
|
enum ofono_sim_file_structure expected_type,
|
|
unsigned short offset, unsigned short num_bytes,
|
|
const unsigned char *path, unsigned int path_len,
|
|
ofono_sim_file_read_cb_t cb, void *data)
|
|
{
|
|
struct sim_fs *fs = context->fs;
|
|
struct sim_fs_op *op;
|
|
|
|
if (cb == NULL)
|
|
return -EINVAL;
|
|
|
|
if (fs->driver == NULL)
|
|
return -EINVAL;
|
|
|
|
if (fs->driver->read_file_info == NULL) {
|
|
cb(0, 0, 0, NULL, 0, data);
|
|
return -ENOSYS;
|
|
}
|
|
|
|
if (fs->op_q == NULL)
|
|
fs->op_q = g_queue_new();
|
|
|
|
op = g_try_new0(struct sim_fs_op, 1);
|
|
if (op == NULL)
|
|
return -ENOMEM;
|
|
|
|
op->id = id;
|
|
op->structure = expected_type;
|
|
op->cb = cb;
|
|
op->userdata = data;
|
|
op->is_read = TRUE;
|
|
op->offset = offset;
|
|
op->num_bytes = num_bytes;
|
|
op->info_only = FALSE;
|
|
op->context = context;
|
|
memcpy(op->path, path, path_len);
|
|
op->path_len = path_len;
|
|
|
|
g_queue_push_tail(fs->op_q, op);
|
|
|
|
if (g_queue_get_length(fs->op_q) == 1)
|
|
fs->op_source = g_idle_add(sim_fs_op_next, fs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int sim_fs_write(struct ofono_sim_context *context, int id,
|
|
ofono_sim_file_write_cb_t cb,
|
|
enum ofono_sim_file_structure structure, int record,
|
|
const unsigned char *data, int length, void *userdata)
|
|
{
|
|
struct sim_fs *fs = context->fs;
|
|
struct sim_fs_op *op;
|
|
gconstpointer fn = NULL;
|
|
|
|
if (cb == NULL)
|
|
return -EINVAL;
|
|
|
|
if (fs->driver == NULL)
|
|
return -EINVAL;
|
|
|
|
switch (structure) {
|
|
case OFONO_SIM_FILE_STRUCTURE_TRANSPARENT:
|
|
fn = fs->driver->write_file_transparent;
|
|
break;
|
|
case OFONO_SIM_FILE_STRUCTURE_FIXED:
|
|
fn = fs->driver->write_file_linear;
|
|
break;
|
|
case OFONO_SIM_FILE_STRUCTURE_CYCLIC:
|
|
fn = fs->driver->write_file_cyclic;
|
|
break;
|
|
default:
|
|
ofono_error("Unrecognized file structure, this can't happen");
|
|
}
|
|
|
|
if (fn == NULL)
|
|
return -ENOSYS;
|
|
|
|
if (fs->op_q == NULL)
|
|
fs->op_q = g_queue_new();
|
|
|
|
op = g_try_new0(struct sim_fs_op, 1);
|
|
if (op == NULL)
|
|
return -ENOMEM;
|
|
|
|
op->id = id;
|
|
op->cb = cb;
|
|
op->userdata = userdata;
|
|
op->is_read = FALSE;
|
|
op->buffer = g_memdup(data, length);
|
|
op->structure = structure;
|
|
op->length = length;
|
|
op->current = record;
|
|
op->context = context;
|
|
|
|
g_queue_push_tail(fs->op_q, op);
|
|
|
|
if (g_queue_get_length(fs->op_q) == 1)
|
|
fs->op_source = g_idle_add(sim_fs_op_next, fs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void sim_fs_cache_image(struct sim_fs *fs, const char *image, int id)
|
|
{
|
|
const char *imsi;
|
|
enum ofono_sim_phase phase;
|
|
|
|
if (fs == NULL || image == NULL)
|
|
return;
|
|
|
|
imsi = ofono_sim_get_imsi(fs->sim);
|
|
if (imsi == NULL)
|
|
return;
|
|
|
|
phase = ofono_sim_get_phase(fs->sim);
|
|
if (phase == OFONO_SIM_PHASE_UNKNOWN)
|
|
return;
|
|
|
|
write_file((const unsigned char *) image, strlen(image),
|
|
SIM_CACHE_MODE, SIM_IMAGE_CACHE_PATH, imsi,
|
|
phase, id);
|
|
}
|
|
|
|
char *sim_fs_get_cached_image(struct sim_fs *fs, int id)
|
|
{
|
|
const char *imsi;
|
|
enum ofono_sim_phase phase;
|
|
unsigned short image_length;
|
|
int fd;
|
|
char *buffer;
|
|
char *path;
|
|
int len;
|
|
struct stat st_buf;
|
|
|
|
if (fs == NULL)
|
|
return NULL;
|
|
|
|
imsi = ofono_sim_get_imsi(fs->sim);
|
|
if (imsi == NULL)
|
|
return NULL;
|
|
|
|
phase = ofono_sim_get_phase(fs->sim);
|
|
if (phase == OFONO_SIM_PHASE_UNKNOWN)
|
|
return NULL;
|
|
|
|
path = g_strdup_printf(SIM_IMAGE_CACHE_PATH, imsi, phase, id);
|
|
|
|
TFR(stat(path, &st_buf));
|
|
fd = TFR(open(path, O_RDONLY));
|
|
g_free(path);
|
|
|
|
if (fd < 0)
|
|
return NULL;
|
|
|
|
image_length = st_buf.st_size;
|
|
buffer = g_try_new0(char, image_length + 1);
|
|
|
|
if (buffer == NULL) {
|
|
TFR(close(fd));
|
|
return NULL;
|
|
}
|
|
|
|
len = TFR(read(fd, buffer, image_length));
|
|
TFR(close(fd));
|
|
|
|
if (len != image_length) {
|
|
g_free(buffer);
|
|
return NULL;
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static void remove_cachefile(const char *imsi, enum ofono_sim_phase phase,
|
|
const struct dirent *file)
|
|
{
|
|
int id;
|
|
char *path;
|
|
|
|
if (file->d_type != DT_REG)
|
|
return;
|
|
|
|
if (sscanf(file->d_name, "%4x", &id) != 1)
|
|
return;
|
|
|
|
path = g_strdup_printf(SIM_CACHE_PATH, imsi, phase, id);
|
|
remove(path);
|
|
g_free(path);
|
|
}
|
|
|
|
static void remove_imagefile(const char *imsi, enum ofono_sim_phase phase,
|
|
const struct dirent *file)
|
|
{
|
|
int id;
|
|
char *path;
|
|
|
|
if (file->d_type != DT_REG)
|
|
return;
|
|
|
|
if (sscanf(file->d_name, "%d", &id) != 1)
|
|
return;
|
|
|
|
path = g_strdup_printf(SIM_IMAGE_CACHE_PATH, imsi, phase, id);
|
|
remove(path);
|
|
g_free(path);
|
|
}
|
|
|
|
void sim_fs_check_version(struct sim_fs *fs)
|
|
{
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
unsigned char version;
|
|
|
|
if (imsi == NULL || phase == OFONO_SIM_PHASE_UNKNOWN)
|
|
return;
|
|
|
|
if (read_file(&version, 1, SIM_CACHE_VERSION, imsi, phase) == 1)
|
|
if (version == SIM_FS_VERSION)
|
|
return;
|
|
|
|
sim_fs_cache_flush(fs);
|
|
|
|
version = SIM_FS_VERSION;
|
|
write_file(&version, 1, SIM_CACHE_MODE, SIM_CACHE_VERSION, imsi, phase);
|
|
}
|
|
|
|
void sim_fs_cache_flush(struct sim_fs *fs)
|
|
{
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
char *path = g_strdup_printf(SIM_CACHE_BASEPATH, imsi, phase);
|
|
struct dirent **entries;
|
|
int len = scandir(path, &entries, NULL, alphasort);
|
|
|
|
g_free(path);
|
|
|
|
if (len > 0) {
|
|
/* Remove all file ids */
|
|
while (len--) {
|
|
remove_cachefile(imsi, phase, entries[len]);
|
|
g_free(entries[len]);
|
|
}
|
|
|
|
g_free(entries);
|
|
}
|
|
|
|
sim_fs_image_cache_flush(fs);
|
|
}
|
|
|
|
void sim_fs_cache_flush_file(struct sim_fs *fs, int id)
|
|
{
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
char *path = g_strdup_printf(SIM_CACHE_PATH, imsi, phase, id);
|
|
|
|
remove(path);
|
|
g_free(path);
|
|
}
|
|
|
|
void sim_fs_image_cache_flush(struct sim_fs *fs)
|
|
{
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
char *path = g_strdup_printf(SIM_IMAGE_CACHE_BASEPATH, imsi, phase);
|
|
struct dirent **entries;
|
|
int len = scandir(path, &entries, NULL, alphasort);
|
|
|
|
g_free(path);
|
|
|
|
if (len <= 0)
|
|
return;
|
|
|
|
/* Remove everything */
|
|
while (len--) {
|
|
remove_imagefile(imsi, phase, entries[len]);
|
|
g_free(entries[len]);
|
|
}
|
|
|
|
g_free(entries);
|
|
}
|
|
|
|
void sim_fs_image_cache_flush_file(struct sim_fs *fs, int id)
|
|
{
|
|
const char *imsi = ofono_sim_get_imsi(fs->sim);
|
|
enum ofono_sim_phase phase = ofono_sim_get_phase(fs->sim);
|
|
char *path = g_strdup_printf(SIM_IMAGE_CACHE_PATH, imsi, phase, id);
|
|
|
|
remove(path);
|
|
g_free(path);
|
|
}
|