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Diffstat (limited to 'callouts/mm-modem-probe.c')
-rw-r--r--callouts/mm-modem-probe.c639
1 files changed, 0 insertions, 639 deletions
diff --git a/callouts/mm-modem-probe.c b/callouts/mm-modem-probe.c
deleted file mode 100644
index 93f84f8d..00000000
--- a/callouts/mm-modem-probe.c
+++ /dev/null
@@ -1,639 +0,0 @@
-/*
- * modem_caps - probe Hayes-compatible modem capabilities
- *
- * Copyright (C) 2008 Dan Williams <dcbw@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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:
- */
-
-#include <termios.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <time.h>
-
-#include <glib.h>
-
-#define HUAWEI_VENDOR_ID 0x12D1
-#define SIERRA_VENDOR_ID 0x1199
-
-#define MODEM_CAP_GSM 0x0001 /* GSM */
-#define MODEM_CAP_IS707_A 0x0002 /* CDMA Circuit Switched Data */
-#define MODEM_CAP_IS707_P 0x0004 /* CDMA Packet Switched Data */
-#define MODEM_CAP_DS 0x0008 /* Data compression selection (v.42bis) */
-#define MODEM_CAP_ES 0x0010 /* Error control selection (v.42) */
-#define MODEM_CAP_FCLASS 0x0020 /* Group III Fax */
-#define MODEM_CAP_MS 0x0040 /* Modulation selection */
-#define MODEM_CAP_W 0x0080 /* Wireless commands */
-#define MODEM_CAP_IS856 0x0100 /* CDMA 3G EVDO rev 0 */
-#define MODEM_CAP_IS856_A 0x0200 /* CDMA 3G EVDO rev A */
-
-static gboolean verbose = FALSE;
-static gboolean quiet = FALSE;
-static FILE *logfile = NULL;
-
-struct modem_caps {
- char *name;
- guint32 bits;
-};
-
-static struct modem_caps modem_caps[] = {
- {"+CGSM", MODEM_CAP_GSM},
- {"+CIS707-A", MODEM_CAP_IS707_A},
- {"+CIS707A", MODEM_CAP_IS707_A}, /* Cmotech */
- {"+CIS707", MODEM_CAP_IS707_A},
- {"CIS707", MODEM_CAP_IS707_A}, /* Qualcomm Gobi */
- {"+CIS707P", MODEM_CAP_IS707_P},
- {"CIS-856", MODEM_CAP_IS856},
- {"+IS-856", MODEM_CAP_IS856}, /* Cmotech */
- {"CIS-856-A", MODEM_CAP_IS856_A},
- {"CIS-856A", MODEM_CAP_IS856_A}, /* Kyocera KPC680 */
- {"+DS", MODEM_CAP_DS},
- {"+ES", MODEM_CAP_ES},
- {"+MS", MODEM_CAP_MS},
- {"+FCLASS", MODEM_CAP_FCLASS},
- {NULL}
-};
-
-static void
-printerr_handler (const char *string)
-{
- if (logfile)
- fprintf (logfile, "E: %s", string);
- if (!quiet)
- fprintf (stderr, "E: %s", string);
-}
-
-static void
-print_handler (const char *string)
-{
- if (logfile)
- fprintf (logfile, "L: %s", string);
- if (!quiet)
- fprintf (stdout, "L: %s", string);
-}
-
-#define verbose(fmt, args...) \
-if (verbose) { \
- g_print ("%s(): " fmt "\n", G_STRFUNC, ##args); \
-}
-
-static gboolean
-modem_send_command (int fd, const char *cmd)
-{
- int eagain_count = 1000;
- guint32 i;
- ssize_t written;
-
- verbose ("Sending: '%s'", cmd);
-
- for (i = 0; i < strlen (cmd) && eagain_count > 0;) {
- written = write (fd, cmd + i, 1);
-
- if (written > 0)
- i += written;
- else {
- /* Treat written == 0 as EAGAIN to ensure we break out of the
- * for() loop eventually.
- */
- if ((written < 0) && (errno != EAGAIN)) {
- g_printerr ("error writing command: %d\n", errno);
- return FALSE;
- }
- eagain_count--;
- g_usleep (G_USEC_PER_SEC / 10000);
- }
- }
-
- return eagain_count <= 0 ? FALSE : TRUE;
-}
-
-static int
-find_terminator (const char *line, const char **terminators)
-{
- int i;
-
- for (i = 0; terminators[i]; i++) {
- if (!strncasecmp (line, terminators[i], strlen (terminators[i])))
- return i;
- }
- return -1;
-}
-
-static const char *
-find_response (const char *line, const char **responses, int *idx)
-{
- int i;
-
- /* Don't look for a result again if we got one previously */
- for (i = 0; responses[i]; i++) {
- if (strstr (line, responses[i])) {
- *idx = i;
- return line;
- }
- }
- return NULL;
-}
-
-#define RESPONSE_LINE_MAX 128
-#define SERIAL_BUF_SIZE 2048
-
-/* Return values:
- *
- * -2: timeout
- * -1: read error or response not found
- * 0...N: response index in **needles array
- */
-static int
-modem_wait_reply (int fd,
- guint32 timeout_secs,
- const char **needles,
- const char **terminators,
- int *out_terminator,
- char **out_response)
-{
- char buf[SERIAL_BUF_SIZE + 1];
- int reply_index = -1, bytes_read;
- GString *result = g_string_sized_new (RESPONSE_LINE_MAX * 2);
- time_t end;
- const char *response = NULL;
- gboolean done = FALSE;
-
- *out_terminator = -1;
- end = time (NULL) + timeout_secs;
- do {
- bytes_read = read (fd, buf, SERIAL_BUF_SIZE);
- if (bytes_read < 0 && errno != EAGAIN) {
- g_string_free (result, TRUE);
- g_printerr ("read error: %d\n", errno);
- return -1;
- }
-
- if (bytes_read == 0)
- break; /* EOF */
- else if (bytes_read > 0) {
- char **lines, **iter, *tmp;
-
- buf[bytes_read] = 0;
- g_string_append (result, buf);
-
- verbose ("Got: '%s'", result->str);
-
- lines = g_strsplit_set (result->str, "\n\r", 0);
-
- /* Find response terminators */
- for (iter = lines; *iter && !done; iter++) {
- tmp = g_strstrip (*iter);
- if (tmp && strlen (tmp)) {
- *out_terminator = find_terminator (tmp, terminators);
- if (*out_terminator >= 0)
- done = TRUE;
- }
- }
-
- /* If the terminator is found, look for expected responses */
- if (done) {
- for (iter = lines; *iter && (reply_index < 0); iter++) {
- tmp = g_strstrip (*iter);
- if (tmp && strlen (tmp)) {
- response = find_response (tmp, needles, &reply_index);
- if (response) {
- g_free (*out_response);
- *out_response = g_strdup (response);
- }
- }
- }
- }
- g_strfreev (lines);
- }
-
- if (!done)
- g_usleep (1000);
- } while (!done && (time (NULL) < end) && (result->len <= SERIAL_BUF_SIZE));
-
- /* Handle timeout */
- if (*out_terminator < 0 && !*out_response)
- reply_index = -2;
-
- g_string_free (result, TRUE);
- return reply_index;
-}
-
-#define GCAP_TAG "+GCAP:"
-#define CGMM_TAG "+CGMM:"
-#define HUAWEI_EC121_TAG "+CIS707-A"
-
-static int
-parse_gcap (const char *tag, gboolean strip_tag, const char *buf)
-{
- const char *p = buf;
- char **caps, **iter;
- int ret = 0;
-
- if (strip_tag)
- p += strlen (tag);
-
- caps = g_strsplit_set (p, " ,\t", 0);
- if (!caps)
- return 0;
-
- for (iter = caps; *iter; iter++) {
- struct modem_caps *cap = modem_caps;
-
- while (cap->name) {
- if (!strcmp(cap->name, *iter)) {
- ret |= cap->bits;
- break;
- }
- cap++;
- }
- }
-
- g_strfreev (caps);
- return ret;
-}
-
-static int
-parse_cgmm (const char *buf)
-{
- const char *p = buf + strlen (CGMM_TAG);
- char **cgmm, **iter;
- gboolean gsm = FALSE;
-
- cgmm = g_strsplit_set (p, " ,\t", 0);
- if (!cgmm)
- return 0;
-
- /* BUSlink SCWi275u USB GPRS modem and some Motorola phones */
- for (iter = cgmm; *iter && !gsm; iter++) {
- if (strstr (*iter, "GSM900") || strstr (*iter, "GSM1800") ||
- strstr (*iter, "GSM1900") || strstr (*iter, "GSM850"))
- gsm = TRUE;
- }
-
- g_strfreev (cgmm);
- return gsm ? MODEM_CAP_GSM : 0;
-}
-
-static int
-g_timeval_subtract (GTimeVal *result, GTimeVal *x, GTimeVal *y)
-{
- int nsec;
-
- /* Perform the carry for the later subtraction by updating y. */
- if (x->tv_usec < y->tv_usec) {
- nsec = (y->tv_usec - x->tv_usec) / G_USEC_PER_SEC + 1;
- y->tv_usec -= G_USEC_PER_SEC * nsec;
- y->tv_sec += nsec;
- }
- if (x->tv_usec - y->tv_usec > G_USEC_PER_SEC) {
- nsec = (x->tv_usec - y->tv_usec) / G_USEC_PER_SEC;
- y->tv_usec += G_USEC_PER_SEC * nsec;
- y->tv_sec -= nsec;
- }
-
- /* Compute the time remaining to wait.
- tv_usec is certainly positive. */
- result->tv_sec = x->tv_sec - y->tv_sec;
- result->tv_usec = x->tv_usec - y->tv_usec;
-
- /* Return 1 if result is negative. */
- return x->tv_sec < y->tv_sec;
-}
-
-static int modem_probe_caps(int fd, glong timeout_ms)
-{
- const char *gcap_responses[] = { GCAP_TAG, HUAWEI_EC121_TAG, NULL };
- const char *terminators[] = { "OK", "ERROR", "ERR", "+CME ERROR", NULL };
- char *reply = NULL;
- int idx = -1, term_idx = -1, ret = 0;
- gboolean try_ati = FALSE;
- GTimeVal start, end;
- gboolean send_success;
-
- /* If a delay was specified, start a bit later */
- if (timeout_ms > 500) {
- g_usleep (500000);
- timeout_ms -= 500;
- }
-
- /* Standard response timeout case */
- timeout_ms += 3000;
-
- while (timeout_ms > 0) {
- GTimeVal diff;
- gulong sleep_time = 100000;
-
- g_get_current_time (&start);
-
- idx = term_idx = 0;
- send_success = modem_send_command (fd, "AT+GCAP\r\n");
- if (send_success)
- idx = modem_wait_reply (fd, 2, gcap_responses, terminators, &term_idx, &reply);
- else
- sleep_time = 300000;
-
- g_get_current_time (&end);
- g_timeval_subtract (&diff, &end, &start);
- timeout_ms -= (diff.tv_sec * 1000) + (diff.tv_usec / 1000);
-
- if (send_success) {
- if (0 == term_idx && 0 == idx) {
- /* Success */
- verbose ("GCAP response: %s", reply);
- ret = parse_gcap (gcap_responses[idx], TRUE, reply);
- break;
- } else if (0 == term_idx && 1 == idx) {
- /* Stupid Huawei EC121 that doesn't prefix response with +GCAP: */
- verbose ("GCAP response: %s", reply);
- ret = parse_gcap (gcap_responses[idx], FALSE, reply);
- break;
- } else if (0 == term_idx && -1 == idx) {
- /* Just returned "OK" but no GCAP (Sierra) */
- try_ati = TRUE;
- break;
- } else if (3 == term_idx && -1 == idx) {
- /* No SIM (Huawei) */
- try_ati = TRUE;
- break;
- } else if (1 == term_idx || 2 == term_idx) {
- try_ati = TRUE;
- } else
- verbose ("timed out waiting for GCAP reply (idx %d, term_idx %d)", idx, term_idx);
- g_free (reply);
- reply = NULL;
- }
-
- g_usleep (sleep_time);
- timeout_ms -= sleep_time / 1000;
- }
-
- if (!ret && try_ati) {
- const char *ati_responses[] = { GCAP_TAG, HUAWEI_EC121_TAG, NULL };
-
- /* Many cards (ex Sierra 860 & 875) won't accept AT+GCAP but
- * accept ATI when the SIM is missing. Often the GCAP info is
- * in the ATI response too.
- */
- g_free (reply);
- reply = NULL;
-
- verbose ("GCAP failed, trying ATI...");
- if (modem_send_command (fd, "ATI\r\n")) {
- idx = modem_wait_reply (fd, 3, ati_responses, terminators, &term_idx, &reply);
- if (0 == term_idx && 0 == idx) {
- verbose ("ATI response: %s", reply);
- ret = parse_gcap (ati_responses[idx], TRUE, reply);
- } else if (0 == term_idx && 1 == idx) {
- verbose ("ATI response: %s", reply);
- ret = parse_gcap (ati_responses[idx], FALSE, reply);
- }
- }
- }
-
- g_free (reply);
- reply = NULL;
-
- /* Try an alternate method on some hardware (ex BUSlink SCWi275u) */
- if ((idx != -2) && !(ret & MODEM_CAP_GSM) && !(ret & MODEM_CAP_IS707_A)) {
- const char *cgmm_responses[] = { CGMM_TAG, NULL };
-
- if (modem_send_command (fd, "AT+CGMM\r\n")) {
- idx = modem_wait_reply (fd, 5, cgmm_responses, terminators, &term_idx, &reply);
- if (0 == term_idx && 0 == idx) {
- verbose ("CGMM response: %s", reply);
- ret |= parse_cgmm (reply);
- }
- g_free (reply);
- }
- }
-
- return ret;
-}
-
-static void
-print_usage (void)
-{
- printf("Usage: probe-modem [options] <device>\n"
- " --export export key/value pairs\n"
- " --delay <ms> delay before probing (1 to 3000 ms inclusive)\n"
- " --verbose print verbose debugging output\n"
- " --quiet suppress logging to stdout (does not affect logfile output)\n"
- " --log <file> log all output\n"
- " --vid <vid> USB Vendor ID (optional)\n"
- " --pid <pid> USB Product ID (optional)\n"
- " --usb-interface <num> USB device interface number (optional)\n"
- " --driver <name> Linux kernel device driver (optional)\n"
- " --help\n\n");
-}
-
-int
-main(int argc, char *argv[])
-{
- static const struct option options[] = {
- { "export", 0, NULL, 'x' },
- { "delay", required_argument, NULL, 'a' },
- { "verbose", 0, NULL, 'v' },
- { "quiet", 0, NULL, 'q' },
- { "log", required_argument, NULL, 'l' },
- { "vid", required_argument, NULL, 'e' },
- { "pid", required_argument, NULL, 'p' },
- { "usb-interface", required_argument, NULL, 'i' },
- { "driver", required_argument, NULL, 'd' },
- { "help", 0, NULL, 'h' },
- {}
- };
-
- const char *device = NULL;
- const char *logpath = NULL;
- const char *driver = NULL;
- gboolean export = 0;
- struct termios orig, attrs;
- int fd = -1, caps, ret = 0;
- guint32 delay_ms = 0;
- unsigned int vid = 0, pid = 0, usbif = 0, last_err = 0;
- unsigned long int tmp;
-
- while (1) {
- int option;
-
- option = getopt_long (argc, argv, "xvl:qh", options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
- case 'x':
- export = TRUE;
- break;
- case 'a':
- tmp = strtoul (optarg, NULL, 10);
- if (tmp < 1 || tmp > 3000) {
- fprintf (stderr, "Invalid delay: %s\n", optarg);
- return 1;
- }
- delay_ms = (guint32) tmp;
- break;
- case 'v':
- verbose = TRUE;
- break;
- case 'l':
- logpath = optarg;
- break;
- case 'e':
- vid = strtoul (optarg, NULL, 0);
- if (vid == 0) {
- fprintf (stderr, "Could not parse USB Vendor ID '%s'", optarg);
- return 1;
- }
- break;
- case 'p':
- pid = strtoul (optarg, NULL, 0);
- if (pid > G_MAXUINT32) {
- fprintf (stderr, "Could not parse USB Product ID '%s'", optarg);
- return 1;
- }
- break;
- case 'i':
- usbif = strtoul (optarg, NULL, 0);
- if (usbif > 50) {
- fprintf (stderr, "Could not parse USB interface number '%s'", optarg);
- return 1;
- }
- break;
- case 'd':
- driver = optarg;
- break;
- case 'q':
- quiet = TRUE;
- break;
- case 'h':
- print_usage ();
- return 0;
- default:
- return 1;
- }
- }
-
- if (logpath) {
- time_t t = time (NULL);
-
- logfile = fopen (logpath, "a+");
- if (!logfile) {
- fprintf (stderr, "Couldn't open/create logfile %s", logpath);
- return 2;
- }
-
- fprintf (logfile, "\n**** Started: %s\n", ctime (&t));
- g_set_printerr_handler (printerr_handler);
- }
-
- g_set_print_handler (print_handler);
-
- device = argv[optind];
- if (device == NULL) {
- g_printerr ("no node specified\n");
- ret = 3;
- goto exit;
- }
-
- verbose ("(%s): usb-vid 0x%04x usb-pid 0x%04x usb-intf %d driver '%s'",
- device, vid, pid, usbif, driver);
-
- /* Some devices just shouldn't be touched */
- if (vid == HUAWEI_VENDOR_ID && usbif != 0) {
- verbose ("(%s) ignoring Huawei USB interface #1", device);
- if (export)
- printf ("ID_MM_MODEM_PROBED=1\n");
- goto exit;
- }
-
- verbose ("probing %s", device);
-
- /* If a delay was specified, retry opening the serial port for that
- * amount of time. Some devices (nozomi) aren't ready to be opened
- * even though their device node is created by udev already.
- */
- do {
- fd = open (device, O_RDWR | O_EXCL | O_NONBLOCK);
- if (fd < 0) {
- last_err = errno;
- g_usleep (500000);
- delay_ms -= 500;
- }
- } while (fd < 0 && delay_ms > 0);
-
- if (fd < 0) {
- g_printerr ("open(%s) failed: %d\n", device, last_err);
- ret = 4;
- goto exit;
- }
-
- if (tcgetattr (fd, &orig)) {
- g_printerr ("tcgetattr(%s): failed %d\n", device, errno);
- ret = 5;
- goto exit;
- }
-
- memcpy (&attrs, &orig, sizeof (attrs));
- attrs.c_iflag &= ~(IGNCR | ICRNL | IUCLC | INPCK | IXON | IXANY | IGNPAR);
- attrs.c_oflag &= ~(OPOST | OLCUC | OCRNL | ONLCR | ONLRET);
- attrs.c_lflag &= ~(ICANON | XCASE | ECHO | ECHOE | ECHONL);
- attrs.c_lflag &= ~(ECHO | ECHOE);
- attrs.c_cc[VMIN] = 1;
- attrs.c_cc[VTIME] = 0;
- attrs.c_cc[VEOF] = 1;
-
- attrs.c_cflag &= ~(CBAUD | CSIZE | CSTOPB | CLOCAL | PARENB);
- attrs.c_cflag |= (B9600 | CS8 | CREAD | PARENB);
-
- tcsetattr (fd, TCSANOW, &attrs);
- caps = modem_probe_caps (fd, delay_ms);
- tcsetattr (fd, TCSANOW, &orig);
-
- if (caps < 0) {
- g_printerr ("%s: couldn't get modem capabilities\n", device);
- if (export)
- printf ("ID_MM_MODEM_PROBED=1\n");
- goto exit;
- }
-
- if (export) {
- if (caps & MODEM_CAP_GSM)
- printf ("ID_MM_MODEM_GSM=1\n");
- if (caps & MODEM_CAP_IS707_A)
- printf ("ID_MM_MODEM_IS707_A=1\n");
- if (caps & MODEM_CAP_IS707_P)
- printf ("ID_MM_MODEM_IS707P=1\n");
- if (caps & MODEM_CAP_IS856)
- printf ("ID_MM_MODEM_IS856=1\n");
- if (caps & MODEM_CAP_IS856_A)
- printf ("ID_MM_MODEM_IS856_A=1\n");
- printf ("ID_MM_MODEM_PROBED=1\n");
- }
-
- verbose ("%s: caps (0x%X)%s%s%s%s\n", device, caps,
- caps & MODEM_CAP_GSM ? " GSM" : "",
- caps & (MODEM_CAP_IS707_A | MODEM_CAP_IS707_P) ? " CDMA-1x" : "",
- caps & MODEM_CAP_IS856 ? " EVDOr0" : "",
- caps & MODEM_CAP_IS856_A ? " EVDOrA" : "");
-
-exit:
- if (fd >= 0)
- close (fd);
- if (logfile)
- fclose (logfile);
- return ret;
-}
-
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