aboutsummaryrefslogtreecommitdiff
path: root/libqcdm/src
diff options
context:
space:
mode:
Diffstat (limited to 'libqcdm/src')
-rw-r--r--libqcdm/src/Makefile.am41
-rw-r--r--libqcdm/src/com.c62
-rw-r--r--libqcdm/src/com.h25
-rw-r--r--libqcdm/src/commands.c108
-rw-r--r--libqcdm/src/commands.h39
-rw-r--r--libqcdm/src/dm-commands.h187
-rw-r--r--libqcdm/src/error.c82
-rw-r--r--libqcdm/src/error.h48
-rw-r--r--libqcdm/src/libqcdm.ver6
-rw-r--r--libqcdm/src/result-private.h41
-rw-r--r--libqcdm/src/result.c204
-rw-r--r--libqcdm/src/result.h42
-rw-r--r--libqcdm/src/utils.c194
-rw-r--r--libqcdm/src/utils.h46
14 files changed, 1125 insertions, 0 deletions
diff --git a/libqcdm/src/Makefile.am b/libqcdm/src/Makefile.am
new file mode 100644
index 00000000..18edc707
--- /dev/null
+++ b/libqcdm/src/Makefile.am
@@ -0,0 +1,41 @@
+noinst_LTLIBRARIES = libqcdm.la libqcdm-test.la
+
+
+libqcdm_la_CPPFLAGS = \
+ $(MM_CFLAGS)
+
+libqcdm_la_SOURCES = \
+ dm-commands.h \
+ com.c \
+ com.h \
+ commands.c \
+ commands.h \
+ error.c \
+ error.h \
+ result.c \
+ result.h \
+ result-private.h \
+ utils.c \
+ utils.h
+
+libqcdm_la_LIBADD = \
+ $(MM_LIBS)
+
+libqcdm_la_LDFLAGS = -Wl,--version-script=$(srcdir)/libqcdm.ver \
+ -version-info "0:0:0"
+
+
+###########################################
+# Test library without symbol versioning
+###########################################
+
+libqcdm_test_la_CPPFLAGS = \
+ $(MM_CFLAGS)
+
+libqcdm_test_la_SOURCES = \
+ utils.c \
+ utils.h
+
+libqcdm_test_la_LIBADD = \
+ $(MM_LIBS)
+
diff --git a/libqcdm/src/com.c b/libqcdm/src/com.c
new file mode 100644
index 00000000..59f2c6f8
--- /dev/null
+++ b/libqcdm/src/com.c
@@ -0,0 +1,62 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <string.h>
+#include <termio.h>
+
+#include "com.h"
+#include "error.h"
+
+gboolean
+qcdm_port_setup (int fd, GError **error)
+{
+ struct termio stbuf;
+
+ g_type_init ();
+
+ errno = 0;
+ memset (&stbuf, 0, sizeof (struct termio));
+ if (ioctl (fd, TCGETA, &stbuf) != 0) {
+ g_set_error (error,
+ QCDM_SERIAL_ERROR, QCDM_SERIAL_CONFIG_FAILED,
+ "TCGETA error: %d", errno);
+ }
+
+ stbuf.c_cflag &= ~(CBAUD | CSIZE | CSTOPB | CLOCAL | PARENB);
+ stbuf.c_iflag &= ~(HUPCL | IUTF8 | IUCLC | ISTRIP | IXON | ICRNL);
+ stbuf.c_oflag &= ~(OPOST | OCRNL | ONLCR | OLCUC | ONLRET);
+ stbuf.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO | ECHOE | ECHOK | ECHONL);
+ stbuf.c_lflag &= ~(NOFLSH | XCASE | TOSTOP | ECHOPRT | ECHOCTL | ECHOKE);
+ stbuf.c_cc[VMIN] = 1;
+ stbuf.c_cc[VTIME] = 0;
+ stbuf.c_cc[VEOF] = 1;
+ stbuf.c_cflag |= (B115200 | CS8 | CREAD | 0 | 0); /* No parity, 1 stop bit */
+
+ errno = 0;
+ if (ioctl (fd, TCSETA, &stbuf) < 0) {
+ g_set_error (error,
+ QCDM_SERIAL_ERROR, QCDM_SERIAL_CONFIG_FAILED,
+ "TCSETA error: %d", errno);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
diff --git a/libqcdm/src/com.h b/libqcdm/src/com.h
new file mode 100644
index 00000000..97561d03
--- /dev/null
+++ b/libqcdm/src/com.h
@@ -0,0 +1,25 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBQCDM_COM_H
+#define LIBQCDM_COM_H
+
+#include <glib.h>
+
+gboolean qcdm_port_setup (int fd, GError **error);
+
+#endif /* LIBQCDM_COM_H */
diff --git a/libqcdm/src/commands.c b/libqcdm/src/commands.c
new file mode 100644
index 00000000..4e4af4b2
--- /dev/null
+++ b/libqcdm/src/commands.c
@@ -0,0 +1,108 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+
+#include "commands.h"
+#include "error.h"
+#include "dm-commands.h"
+#include "result-private.h"
+#include "utils.h"
+
+static gboolean
+check_command (const char *buf, gsize len, guint8 cmd, gsize min_len, GError **error)
+{
+ if (len < 1) {
+ g_set_error (error, QCDM_COMMAND_ERROR, QCDM_COMMAND_MALFORMED_RESPONSE,
+ "DM command response malformed (must be at least 1 byte in length)");
+ return FALSE;
+ }
+
+ if (buf[0] != (guint8) cmd) {
+ g_set_error (error, QCDM_COMMAND_ERROR, QCDM_COMMAND_UNEXPECTED,
+ "Unexpected DM command response (expected %d, got %d)",
+ cmd, buf[0]);
+ return FALSE;
+ }
+
+ if (len < min_len) {
+ g_set_error (error, QCDM_COMMAND_ERROR, QCDM_COMMAND_BAD_LENGTH,
+ "DM command %d response not long enough (got %zu, expected "
+ "at least %zu).", cmd, len, min_len);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gsize
+qcdm_cmd_version_info_new (char *buf, gsize len, GError **error)
+{
+ char cmdbuf[3];
+ DMCmdHeader *cmd = (DMCmdHeader *) &cmdbuf[0];
+
+ g_return_val_if_fail (buf != NULL, 0);
+ g_return_val_if_fail (len >= sizeof (*cmd) + DIAG_TRAILER_LEN, 0);
+
+ memset (cmd, 0, sizeof (cmd));
+ cmd->code = DIAG_CMD_VERSION_INFO;
+
+ return dm_prepare_buffer (cmdbuf, sizeof (*cmd), sizeof (cmdbuf), buf, len);
+}
+
+QCDMResult *
+qcdm_cmd_version_info_result (const char *buf, gsize len, GError **error)
+{
+ QCDMResult *result = NULL;
+ DMCmdVersionInfoRsp *rsp = (DMCmdVersionInfoRsp *) buf;
+ char tmp[12];
+
+ g_return_val_if_fail (buf != NULL, NULL);
+
+ if (!check_command (buf, len, DIAG_CMD_VERSION_INFO, sizeof (DMCmdVersionInfoRsp), error))
+ return NULL;
+
+ result = qcdm_result_new ();
+
+ memset (tmp, 0, sizeof (tmp));
+ g_assert (sizeof (rsp->comp_date) <= sizeof (tmp));
+ memcpy (tmp, rsp->comp_date, sizeof (rsp->comp_date));
+ qcdm_result_add_string (result, QCDM_CMD_VERSION_INFO_ITEM_COMP_DATE, tmp);
+
+ memset (tmp, 0, sizeof (tmp));
+ g_assert (sizeof (rsp->comp_time) <= sizeof (tmp));
+ memcpy (tmp, rsp->comp_time, sizeof (rsp->comp_time));
+ qcdm_result_add_string (result, QCDM_CMD_VERSION_INFO_ITEM_COMP_TIME, tmp);
+
+ memset (tmp, 0, sizeof (tmp));
+ g_assert (sizeof (rsp->rel_date) <= sizeof (tmp));
+ memcpy (tmp, rsp->rel_date, sizeof (rsp->rel_date));
+ qcdm_result_add_string (result, QCDM_CMD_VERSION_INFO_ITEM_RELEASE_DATE, tmp);
+
+ memset (tmp, 0, sizeof (tmp));
+ g_assert (sizeof (rsp->rel_time) <= sizeof (tmp));
+ memcpy (tmp, rsp->rel_time, sizeof (rsp->rel_time));
+ qcdm_result_add_string (result, QCDM_CMD_VERSION_INFO_ITEM_RELEASE_TIME, tmp);
+
+ memset (tmp, 0, sizeof (tmp));
+ g_assert (sizeof (rsp->model) <= sizeof (tmp));
+ memcpy (tmp, rsp->model, sizeof (rsp->model));
+ qcdm_result_add_string (result, QCDM_CMD_VERSION_INFO_ITEM_MODEL, tmp);
+
+ return result;
+}
+
diff --git a/libqcdm/src/commands.h b/libqcdm/src/commands.h
new file mode 100644
index 00000000..0af0cd1a
--- /dev/null
+++ b/libqcdm/src/commands.h
@@ -0,0 +1,39 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBQCDM_COMMANDS_H
+#define LIBQCDM_COMMANDS_H
+
+#include <glib.h>
+
+#include "result.h"
+
+gsize qcdm_cmd_version_info_new (char *buf,
+ gsize len,
+ GError **error);
+
+#define QCDM_CMD_VERSION_INFO_ITEM_COMP_DATE "comp-date"
+#define QCDM_CMD_VERSION_INFO_ITEM_COMP_TIME "comp-time"
+#define QCDM_CMD_VERSION_INFO_ITEM_RELEASE_DATE "release-date"
+#define QCDM_CMD_VERSION_INFO_ITEM_RELEASE_TIME "release-time"
+#define QCDM_CMD_VERSION_INFO_ITEM_MODEL "model"
+
+QCDMResult *qcdm_cmd_version_info_result (const char *buf,
+ gsize len,
+ GError **error);
+
+#endif /* LIBQCDM_COMMANDS_H */
diff --git a/libqcdm/src/dm-commands.h b/libqcdm/src/dm-commands.h
new file mode 100644
index 00000000..511c3ef1
--- /dev/null
+++ b/libqcdm/src/dm-commands.h
@@ -0,0 +1,187 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBQCDM_DM_COMMANDS_H
+#define LIBQCDM_DM_COMMANDS_H
+
+enum {
+ DIAG_CMD_VERSION_INFO = 0, /* Version info */
+ DIAG_CMD_ESN = 1, /* ESN */
+ DIAG_CMD_PEEKB = 2, /* Peek byte */
+ DIAG_CMD_PEEKW = 3, /* Peek word */
+ DIAG_CMD_PEEKD = 4, /* Peek dword */
+ DIAG_CMD_POKEB = 5, /* Poke byte */
+ DIAG_CMD_POKEW = 6, /* Poke word */
+ DIAG_CMD_POKED = 7, /* Poke dword */
+ DIAG_CMD_OUTP = 8, /* Byte output */
+ DIAG_CMD_OUTPW = 9, /* Word output */
+ DIAG_CMD_INP = 10, /* Byte input */
+ DIAG_CMD_INPW = 11, /* Word input */
+ DIAG_CMD_STATUS = 12, /* Station status */
+ DIAG_CMD_LOGMASK = 15, /* Set logging mask */
+ DIAG_CMD_LOG = 16, /* Log packet */
+ DIAG_CMD_NV_PEEK = 17, /* Peek NV memory */
+ DIAG_CMD_NV_POKE = 18, /* Poke NV memory */
+ DIAG_CMD_BAD_CMD = 19, /* Invalid command (response) */
+ DIAG_CMD_BAD_PARM = 20, /* Invalid parameter (response) */
+ DIAG_CMD_BAD_LEN = 21, /* Invalid packet length (response) */
+ DIAG_CMD_BAD_DEV = 22, /* Not accepted by the device (response) */
+ DIAG_CMD_BAD_MODE = 24, /* Not allowed in this mode (response) */
+ DIAG_CMD_TAGRAPH = 25, /* Info for TA power and voice graphs */
+ DIAG_CMD_MARKOV = 26, /* Markov stats */
+ DIAG_CMD_MARKOV_RESET = 27, /* Reset Markov stats */
+ DIAG_CMD_DIAG_VER = 28, /* Diagnostic Monitor version */
+ DIAG_CMD_TIMESTAMP = 29, /* Return a timestamp */
+ DIAG_CMD_TA_PARM = 30, /* Set TA parameters */
+ DIAG_CMD_MESSAGE = 31, /* Request for msg report */
+ DIAG_CMD_HS_KEY = 32, /* Handset emulation -- keypress */
+ DIAG_CMD_HS_LOCK = 33, /* Handset emulation -- lock or unlock */
+ DIAG_CMD_HS_SCREEN = 34, /* Handset emulation -- display request */
+ DIAG_CMD_PARM_SET = 36, /* Parameter download */
+ DIAG_CMD_NV_READ = 38, /* Read NV item */
+ DIAG_CMD_NV_WRITE = 39, /* Write NV item */
+ DIAG_CMD_CONTROL = 41, /* Mode change request */
+ DIAG_CMD_ERR_READ = 42, /* Error record retreival */
+ DIAG_CMD_ERR_CLEAR = 43, /* Error record clear */
+ DIAG_CMD_SER_RESET = 44, /* Symbol error rate counter reset */
+ DIAG_CMD_SER_REPORT = 45, /* Symbol error rate counter report */
+ DIAG_CMD_TEST = 46, /* Run a specified test */
+ DIAG_CMD_GET_DIPSW = 47, /* Retreive the current DIP switch setting */
+ DIAG_CMD_SET_DIPSW = 48, /* Write new DIP switch setting */
+ DIAG_CMD_VOC_PCM_LB = 49, /* Start/Stop Vocoder PCM loopback */
+ DIAG_CMD_VOC_PKT_LB = 50, /* Start/Stop Vocoder PKT loopback */
+ DIAG_CMD_ORIG = 53, /* Originate a call */
+ DIAG_CMD_END = 54, /* End a call */
+ DIAG_CMD_SW_VERSION = 56, /* Get software version */
+ DIAG_CMD_DLOAD = 58, /* Switch to downloader */
+ DIAG_CMD_TMOB = 59, /* Test Mode Commands and FTM commands*/
+ DIAG_CMD_STATE = 63, /* Current state of the phone */
+ DIAG_CMD_PILOT_SETS = 64, /* Return all current sets of pilots */
+ DIAG_CMD_SPC = 65, /* Send the Service Programming Code to unlock */
+ DIAG_CMD_BAD_SPC_MODE = 66, /* Invalid NV read/write because SP is locked */
+ DIAG_CMD_PARM_GET2 = 67, /* (obsolete) */
+ DIAG_CMD_SERIAL_CHG = 68, /* Serial mode change */
+ DIAG_CMD_PASSWORD = 70, /* Send password to unlock secure operations */
+ DIAG_CMD_BAD_SEC_MODE = 71, /* Operation not allowed in this security state */
+ DIAG_CMD_PRL_WRITE = 72, /* Write PRL */
+ DIAG_CMD_PRL_READ = 73, /* Read PRL */
+ DIAG_CMD_SUBSYS = 75, /* Subsystem commands */
+ DIAG_CMD_FEATURE_QUERY = 81,
+ DIAG_CMD_SMS_READ = 83, /* Read SMS message out of NV memory */
+ DIAG_CMD_SMS_WRITE = 84, /* Write SMS message into NV memory */
+ DIAG_CMD_SUP_FER = 85, /* Frame Error Rate info on multiple channels */
+ DIAG_CMD_SUP_WALSH_CODES = 86, /* Supplemental channel walsh codes */
+ DIAG_CMD_SET_MAX_SUP_CH = 87, /* Sets the maximum # supplemental channels */
+ DIAG_CMD_PARM_GET_IS95B = 88, /* Get parameters including SUPP and MUX2 */
+ DIAG_CMD_FS_OP = 89, /* Embedded File System (EFS) operations */
+ DIAG_CMD_AKEY_VERIFY = 90, /* AKEY Verification */
+ DIAG_CMD_HS_BMP_SCREEN = 91, /* Handset Emulation -- Bitmap screen */
+ DIAG_CMD_CONFIG_COMM = 92, /* Configure communications */
+ DIAG_CMD_EXT_LOGMASK = 93, /* Extended logmask for > 32 bits */
+ DIAG_CMD_EVENT_REPORT = 96, /* Static Event reporting */
+ DIAG_CMD_STREAMING_CONFIG = 97, /* Load balancing etc */
+ DIAG_CMD_PARM_RETRIEVE = 98, /* Parameter retrieval */
+ DIAG_CMD_STATUS_SNAPSHOT = 99, /* Status snapshot */
+ DIAG_CMD_RPC = 100, /* Used for RPC */
+ DIAG_CMD_GET_PROPERTY = 101,
+ DIAG_CMD_PUT_PROPERTY = 102,
+ DIAG_CMD_GET_GUID = 103, /* GUID requests */
+ DIAG_CMD_USER_CMD = 104, /* User callbacks */
+ DIAG_CMD_GET_PERM_PROPERTY = 105,
+ DIAG_CMD_PUT_PERM_PROPERTY = 106,
+ DIAG_CMD_PERM_USER_CMD = 107, /* Permanent user callbacks */
+ DIAG_CMD_GPS_SESS_CTRL = 108, /* GPS session control */
+ DIAG_CMD_GPS_GRID = 109, /* GPS search grid */
+ DIAG_CMD_GPS_STATISTICS = 110,
+ DIAG_CMD_TUNNEL = 111, /* Tunneling command code */
+ DIAG_CMD_RAM_RW = 112, /* Calibration RAM control using DM */
+ DIAG_CMD_CPU_RW = 113, /* Calibration CPU control using DM */
+ DIAG_CMD_SET_FTM_TEST_MODE = 114, /* Field (or Factory?) Test Mode */
+};
+
+/* Subsystem IDs used with DIAG_CMD_SUBSYS; these often obsolete many of
+ * the original DM commands.
+ */
+enum {
+ DIAG_SUBSYS_HDR = 5, /* High Data Rate (ie, EVDO) */
+ DIAG_SUBSYS_GPS = 13,
+ DIAG_SUBSYS_SMS = 14,
+ DIAG_SUBSYS_CM = 15, /* Call manager */
+ DIAG_SUBSYS_NW_CONTROL_6500 = 50, /* for Novatel Wireless MSM6500-based devices */
+ DIAG_SUBSYS_NW_CONTROL_6800 = 250 /* for Novatel Wireless MSM6800-based devices */
+};
+
+/* HDR subsystem command codes */
+enum {
+ DIAG_SUBSYS_HDR_STATE_INFO = 8, /* Gets EVDO state */
+};
+
+enum {
+ DIAG_SUBSYS_CM_STATE_INFO = 0, /* Gets Call Manager state */
+};
+
+/* NW_CONTROL subsystem command codes (only for Novatel Wireless devices) */
+enum {
+ DIAG_SUBSYS_NW_CONTROL_AT_REQUEST = 3, /* AT commands via diag */
+ DIAG_SUBSYS_NW_CONTROL_AT_RESPONSE = 4,
+ DIAG_SUBSYS_NW_CONTROL_MODEM_STATUS = 7, /* Modem status */
+ DIAG_SUBSYS_NW_CONTROL_ERI = 8, /* Extended Roaming Indicator */
+ DIAG_SUBSYS_NW_CONTROL_PRL = 12,
+};
+
+enum {
+ DIAG_SUBSYS_NW_CONTROL_MODEM_STATUS_CDMA = 7,
+ DIAG_SUBSYS_NW_CONTROL_MODEM_STATUS_WCDMA = 20,
+};
+
+/* Generic DM command header */
+struct DMCmdHeader {
+ guint8 code;
+} __attribute__ ((packed));
+typedef struct DMCmdHeader DMCmdHeader;
+
+/* DIAG_CMD_SUBSYS */
+struct DMCmdSubsysHeader {
+ guint8 code;
+ guint8 subsys_id;
+ guint16 subsys_cmd;
+} __attribute__ ((packed));
+typedef struct DMCmdSubsysHeader DMCmdSubsysHeader;
+
+/* DIAG_CMD_NV_READ / DIAG_CMD_NV_WRITE */
+struct DMCmdNVReadWrite {
+ guint8 code;
+ guint16 nv_item;
+ guint8 data[128];
+ guint16 status;
+} __attribute__ ((packed));
+typedef struct DMCmdNVReadWrite DMCmdNVReadWrite;
+
+/* DIAG_CMD_VERSION_INFO */
+struct DMCmdVersionInfoRsp {
+ guint8 code;
+ char comp_date[11];
+ char comp_time[8];
+ char rel_date[11];
+ char rel_time[8];
+ char model[8];
+ guint8 _unknown[8];
+} __attribute__ ((packed));
+typedef struct DMCmdVersionInfoRsp DMCmdVersionInfoRsp;
+
+#endif /* LIBQCDM_DM_COMMANDS_H */
+
diff --git a/libqcdm/src/error.c b/libqcdm/src/error.c
new file mode 100644
index 00000000..695f6a55
--- /dev/null
+++ b/libqcdm/src/error.c
@@ -0,0 +1,82 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "error.h"
+
+#define ENUM_ENTRY(NAME, DESC) { NAME, "" #NAME "", DESC }
+
+GQuark
+qcdm_serial_error_quark (void)
+{
+ static GQuark ret = 0;
+
+ if (ret == 0)
+ ret = g_quark_from_static_string ("qcdm-serial-error");
+
+ return ret;
+}
+
+GType
+qcdm_serial_error_get_type (void)
+{
+ static GType etype = 0;
+
+ if (etype == 0) {
+ static const GEnumValue values[] = {
+ ENUM_ENTRY (QCDM_SERIAL_CONFIG_FAILED, "SerialConfigFailed"),
+ { 0, 0, 0 }
+ };
+
+ etype = g_enum_register_static ("QcdmSerialError", values);
+ }
+
+ return etype;
+}
+
+/***************************************************************/
+
+GQuark
+qcdm_command_error_quark (void)
+{
+ static GQuark ret = 0;
+
+ if (ret == 0)
+ ret = g_quark_from_static_string ("qcdm-command-error");
+
+ return ret;
+}
+
+GType
+qcdm_command_error_get_type (void)
+{
+ static GType etype = 0;
+
+ if (etype == 0) {
+ static const GEnumValue values[] = {
+ ENUM_ENTRY (QCDM_COMMAND_MALFORMED_RESPONSE, "QcdmCommandMalformedResponse"),
+ ENUM_ENTRY (QCDM_COMMAND_UNEXPECTED, "QcdmCommandUnexpected"),
+ ENUM_ENTRY (QCDM_COMMAND_BAD_LENGTH, "QcdmCommandBadLength"),
+ { 0, 0, 0 }
+ };
+
+ etype = g_enum_register_static ("QcdmCommandError", values);
+ }
+
+ return etype;
+}
+
+
diff --git a/libqcdm/src/error.h b/libqcdm/src/error.h
new file mode 100644
index 00000000..47a55e51
--- /dev/null
+++ b/libqcdm/src/error.h
@@ -0,0 +1,48 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBQCDM_ERROR_H
+#define LIBQCDM_ERROR_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+enum {
+ QCDM_SERIAL_CONFIG_FAILED = 0,
+};
+
+#define QCDM_SERIAL_ERROR (qcdm_serial_error_quark ())
+#define QCDM_TYPE_SERIAL_ERROR (qcdm_serial_error_get_type ())
+
+GQuark qcdm_serial_error_quark (void);
+GType qcdm_serial_error_get_type (void);
+
+
+enum {
+ QCDM_COMMAND_MALFORMED_RESPONSE = 0,
+ QCDM_COMMAND_UNEXPECTED = 1,
+ QCDM_COMMAND_BAD_LENGTH = 2,
+};
+
+#define QCDM_COMMAND_ERROR (qcdm_command_error_quark ())
+#define QCDM_TYPE_COMMAND_ERROR (qcdm_command_error_get_type ())
+
+GQuark qcdm_command_error_quark (void);
+GType qcdm_command_error_get_type (void);
+
+#endif /* LIBQCDM_ERROR_H */
+
diff --git a/libqcdm/src/libqcdm.ver b/libqcdm/src/libqcdm.ver
new file mode 100644
index 00000000..b1567e20
--- /dev/null
+++ b/libqcdm/src/libqcdm.ver
@@ -0,0 +1,6 @@
+{
+global:
+ nm_vpn_connection_new;
+local:
+ *;
+};
diff --git a/libqcdm/src/result-private.h b/libqcdm/src/result-private.h
new file mode 100644
index 00000000..2a5fd5db
--- /dev/null
+++ b/libqcdm/src/result-private.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBQCDM_RESULT_PRIVATE_H
+#define LIBQCDM_RESULT_PRIVATE_H
+
+#include <glib.h>
+#include "result.h"
+
+QCDMResult *qcdm_result_new (void);
+
+/* For these functions, 'key' *must* be a constant, not allocated and freed */
+
+void qcdm_result_add_string (QCDMResult *result,
+ const char *key,
+ const char *str);
+
+void qcdm_result_add_uint8 (QCDMResult *result,
+ const char *key,
+ guint8 num);
+
+void qcdm_result_add_uint32 (QCDMResult *result,
+ const char *key,
+ guint32 num);
+
+#endif /* LIBQCDM_RESULT_PRIVATE_H */
+
diff --git a/libqcdm/src/result.c b/libqcdm/src/result.c
new file mode 100644
index 00000000..6834aab3
--- /dev/null
+++ b/libqcdm/src/result.c
@@ -0,0 +1,204 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <glib.h>
+
+#include "result.h"
+#include "result-private.h"
+#include "error.h"
+
+struct QCDMResult {
+ guint32 refcount;
+ GHashTable *hash;
+};
+
+
+static void
+gvalue_destroy (gpointer data)
+{
+ GValue *value = (GValue *) data;
+
+ g_value_unset (value);
+ g_slice_free (GValue, value);
+}
+
+QCDMResult *
+qcdm_result_new (void)
+{
+ QCDMResult *result;
+
+ result = g_malloc0 (sizeof (QCDMResult));
+ result->hash = g_hash_table_new_full (g_str_hash, g_str_equal,
+ NULL, gvalue_destroy);
+ result->refcount = 1;
+ return result;
+}
+
+QCDMResult *
+qcdm_result_ref (QCDMResult *result)
+{
+ g_return_val_if_fail (result != NULL, NULL);
+ g_return_val_if_fail (result->refcount > 0, NULL);
+
+ result->refcount++;
+ return result;
+}
+
+void
+qcdm_result_unref (QCDMResult *result)
+{
+ g_return_if_fail (result != NULL);
+ g_return_if_fail (result->refcount == 0);
+
+ result->refcount--;
+ if (result->refcount == 0) {
+ g_hash_table_destroy (result->hash);
+ memset (result, 0, sizeof (QCDMResult));
+ g_free (result);
+ }
+}
+
+
+void
+qcdm_result_add_string (QCDMResult *result,
+ const char *key,
+ const char *str)
+{
+ GValue *val;
+
+ g_return_if_fail (result != NULL);
+ g_return_if_fail (result->refcount > 0);
+ g_return_if_fail (key != NULL);
+ g_return_if_fail (str != NULL);
+
+ val = g_slice_new0 (GValue);
+ g_value_init (val, G_TYPE_STRING);
+ g_value_set_string (val, str);
+
+ g_hash_table_insert (result->hash, (gpointer) key, val);
+}
+
+gboolean
+qcdm_result_get_string (QCDMResult *result,
+ const char *key,
+ const char **out_val)
+{
+ GValue *val;
+
+ g_return_val_if_fail (result != NULL, FALSE);
+ g_return_val_if_fail (result->refcount > 0, FALSE);
+ g_return_val_if_fail (key != NULL, FALSE);
+ g_return_val_if_fail (out_val != NULL, FALSE);
+ g_return_val_if_fail (*out_val == NULL, FALSE);
+
+ val = g_hash_table_lookup (result->hash, key);
+ if (!val)
+ return FALSE;
+
+ g_warn_if_fail (G_VALUE_HOLDS_STRING (val));
+ if (!G_VALUE_HOLDS_STRING (val))
+ return FALSE;
+
+ *out_val = g_value_get_string (val);
+ return TRUE;
+}
+
+void
+qcdm_result_add_uint8 (QCDMResult *result,
+ const char *key,
+ guint8 num)
+{
+ GValue *val;
+
+ g_return_if_fail (result != NULL);
+ g_return_if_fail (result->refcount > 0);
+ g_return_if_fail (key != NULL);
+
+ val = g_slice_new0 (GValue);
+ g_value_init (val, G_TYPE_UCHAR);
+ g_value_set_uchar (val, (unsigned char) num);
+
+ g_hash_table_insert (result->hash, (gpointer) key, val);
+}
+
+gboolean
+qcdm_result_get_uint8 (QCDMResult *result,
+ const char *key,
+ guint8 *out_val)
+{
+ GValue *val;
+
+ g_return_val_if_fail (result != NULL, FALSE);
+ g_return_val_if_fail (result->refcount > 0, FALSE);
+ g_return_val_if_fail (key != NULL, FALSE);
+ g_return_val_if_fail (out_val != NULL, FALSE);
+
+ val = g_hash_table_lookup (result->hash, key);
+ if (!val)
+ return FALSE;
+
+ g_warn_if_fail (G_VALUE_HOLDS_CHAR (val));
+ if (!G_VALUE_HOLDS_CHAR (val))
+ return FALSE;
+
+ *out_val = (guint8) g_value_get_char (val);
+ return TRUE;
+}
+
+void
+qcdm_result_add_uint32 (QCDMResult *result,
+ const char *key,
+ guint32 num)
+{
+ GValue *val;
+
+ g_return_if_fail (result != NULL);
+ g_return_if_fail (result->refcount > 0);
+ g_return_if_fail (key != NULL);
+
+ val = g_slice_new0 (GValue);
+ g_value_init (val, G_TYPE_UINT);
+ g_value_set_uint (val, num);
+
+ g_hash_table_insert (result->hash, (gpointer) key, val);
+}
+
+gboolean
+qcdm_result_get_uint32 (QCDMResult *result,
+ const char *key,
+ guint32 *out_val)
+{
+ GValue *val;
+
+ g_return_val_if_fail (result != NULL, FALSE);
+ g_return_val_if_fail (result->refcount > 0, FALSE);
+ g_return_val_if_fail (key != NULL, FALSE);
+ g_return_val_if_fail (out_val != NULL, FALSE);
+
+ val = g_hash_table_lookup (result->hash, key);
+ if (!val)
+ return FALSE;
+
+ g_warn_if_fail (G_VALUE_HOLDS_UINT (val));
+ if (!G_VALUE_HOLDS_UINT (val))
+ return FALSE;
+
+ *out_val = (guint32) g_value_get_uint (val);
+ return TRUE;
+}
+
diff --git a/libqcdm/src/result.h b/libqcdm/src/result.h
new file mode 100644
index 00000000..4912b07c
--- /dev/null
+++ b/libqcdm/src/result.h
@@ -0,0 +1,42 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBQCDM_RESULT_H
+#define LIBQCDM_RESULT_H
+
+#include <glib.h>
+
+typedef struct QCDMResult QCDMResult;
+
+gboolean qcdm_result_get_string (QCDMResult *result,
+ const char *key,
+ const char **out_val);
+
+gboolean qcdm_result_get_uint8 (QCDMResult *result,
+ const char *key,
+ guint8 *out_val);
+
+gboolean qcdm_result_get_uint32 (QCDMResult *result,
+ const char *key,
+ guint32 *out_val);
+
+QCDMResult *qcdm_result_ref (QCDMResult *result);
+
+void qcdm_result_unref (QCDMResult *result);
+
+#endif /* LIBQCDM_RESULT_H */
+
diff --git a/libqcdm/src/utils.c b/libqcdm/src/utils.c
new file mode 100644
index 00000000..62574691
--- /dev/null
+++ b/libqcdm/src/utils.c
@@ -0,0 +1,194 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "utils.h"
+
+/* QCDM protocol frames are pseudo Async HDLC frames which end with a 3-byte
+ * trailer. This trailer consists of the 16-bit CRC of the frame plus an ending
+ * "async control character" whose value is 0x7E. The frame *and* the CRC are
+ * escaped before adding the trailing control character so that the control
+ * character (0x7E) and the escape marker (0x7D) are never seen in the frame.
+ */
+
+/* Table of CRCs for each possible byte, with a generator polynomial of 0x8408 */
+const guint16 crc_table[256] = {
+ 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
+ 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
+ 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
+ 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
+ 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
+ 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
+ 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
+ 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
+ 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
+ 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
+ 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
+ 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
+ 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
+ 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
+ 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
+ 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
+ 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
+ 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
+ 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
+ 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
+ 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
+ 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
+ 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
+ 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
+ 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
+ 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
+ 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
+ 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
+ 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
+ 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
+ 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
+ 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
+};
+
+/* Calculate the CRC for a buffer using a seed of 0xffff */
+guint16
+crc16 (const char *buffer, gsize len)
+{
+ guint16 crc = 0xffff;
+
+ while (len--)
+ crc = crc_table[(crc ^ *buffer++) & 0xff] ^ (crc >> 8);
+ return ~crc;
+}
+
+#define DIAG_ESC_CHAR 0x7D /* Escape sequence 1st character value */
+#define DIAG_ESC_MASK 0x20 /* Escape sequence complement value */
+
+/* Performs DM escaping on inbuf putting the result into outbuf, and returns
+ * the final length of the buffer.
+ */
+gsize
+dm_escape (const char *inbuf,
+ gsize inbuf_len,
+ char *outbuf,
+ gsize outbuf_len)
+{
+ const char *src = inbuf;
+ char *dst = outbuf;
+ size_t i = inbuf_len;
+
+ g_return_val_if_fail (inbuf != NULL, 0);
+ g_return_val_if_fail (inbuf_len > 0, 0);
+ g_return_val_if_fail (outbuf != NULL, 0);
+ g_return_val_if_fail (outbuf_len > inbuf_len, 0);
+
+ /* Since escaping potentially doubles the # of bytes, short-circuit the
+ * length check if destination buffer is clearly large enough. Note the
+ *
+ */
+ if (outbuf_len <= inbuf_len << 1) {
+ size_t outbuf_required = inbuf_len + 1; /* +1 for the trailing control char */
+
+ /* Each escaped character takes up two bytes in the output buffer */
+ while (i--) {
+ if (*src == DIAG_CONTROL_CHAR || *src == DIAG_ESC_CHAR)
+ outbuf_required++;
+ src++;
+ }
+
+ if (outbuf_len < outbuf_required)
+ return 0;
+ }
+
+ /* Do the actual escaping. Replace both the control character and
+ * the escape character in the source buffer with the following sequence:
+ *
+ * <escape_char> <src_byte ^ escape_mask>
+ */
+ src = inbuf;
+ i = inbuf_len;
+ while (i--) {
+ if (*src == DIAG_CONTROL_CHAR || *src == DIAG_ESC_CHAR) {
+ *dst++ = DIAG_ESC_CHAR;
+ *dst++ = *src ^ DIAG_ESC_MASK;
+ } else
+ *dst++ = *src;
+ src++;
+ }
+
+ return (dst - outbuf);
+}
+
+gsize
+dm_unescape (const char *inbuf,
+ gsize inbuf_len,
+ char *outbuf,
+ gsize outbuf_len,
+ gboolean *escaping)
+{
+ size_t i, outsize;
+
+ g_return_val_if_fail (inbuf_len > 0, 0);
+ g_return_val_if_fail (outbuf_len >= inbuf_len, 0);
+ g_return_val_if_fail (escaping != NULL, 0);
+
+ for (i = 0, outsize = 0; i < inbuf_len; i++) {
+ if (*escaping) {
+ outbuf[outsize++] = inbuf[i] ^ DIAG_ESC_MASK;
+ *escaping = FALSE;
+ } else if (inbuf[i] == DIAG_ESC_CHAR)
+ *escaping = TRUE;
+ else
+ outbuf[outsize++] = inbuf[i];
+
+ /* About to overrun output buffer size */
+ if (outsize >= outbuf_len)
+ return 0;
+ }
+
+ return outsize;
+}
+
+gsize
+dm_prepare_buffer (char *inbuf,
+ gsize cmd_len,
+ gsize inbuf_len,
+ char *outbuf,
+ gsize outbuf_len)
+{
+ guint16 crc;
+ gsize escaped_len;
+
+ g_return_val_if_fail (inbuf != NULL, 0);
+ g_return_val_if_fail (cmd_len >= 1, 0);
+ g_return_val_if_fail (inbuf_len >= cmd_len + 2, 0); /* space for CRC */
+ g_return_val_if_fail (outbuf != NULL, 0);
+
+ crc = GUINT16_TO_LE (crc16 (inbuf, cmd_len));
+ inbuf[cmd_len++] = crc & 0xFF;
+ inbuf[cmd_len++] = (crc >> 8) & 0xFF;
+
+ escaped_len = dm_escape (inbuf, cmd_len, outbuf, outbuf_len);
+ g_return_val_if_fail (outbuf_len > escaped_len, 0);
+ outbuf[escaped_len++] = DIAG_CONTROL_CHAR;
+
+ return escaped_len;
+}
+
diff --git a/libqcdm/src/utils.h b/libqcdm/src/utils.h
new file mode 100644
index 00000000..15fc346b
--- /dev/null
+++ b/libqcdm/src/utils.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef UTILS_H
+#define UTILS_H
+
+#include <glib.h>
+
+#define DIAG_CONTROL_CHAR 0x7E
+#define DIAG_TRAILER_LEN 3
+
+guint16 crc16 (const char *buffer, gsize len);
+
+gsize dm_escape (const char *inbuf,
+ gsize inbuf_len,
+ char *outbuf,
+ gsize outbuf_len);
+
+gsize dm_unescape (const char *inbuf,
+ gsize inbuf_len,
+ char *outbuf,
+ gsize outbuf_len,
+ gboolean *escaping);
+
+gsize dm_prepare_buffer (char *inbuf,
+ gsize cmd_len,
+ gsize inbuf_len,
+ char *outbuf,
+ gsize outbuf_len);
+
+#endif /* UTILS_H */
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-06-09 18:37:44 +0000