From 8f26848ef00b343a15904bf7f8cd1a77de795b3e Mon Sep 17 00:00:00 2001
From: Colin Helliwell <colin.helliwell@ln-systems.com>
Date: Mon, 1 Jan 2018 18:36:11 +0100
Subject: helpers: move generic load_unlock_retries from Telit plugin

As a precursor to a generic load_unlock_retries method, move the
CSIM Response parser from the Telit plugin into the core code.
---
 src/mm-modem-helpers.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

(limited to 'src/mm-modem-helpers.c')

diff --git a/src/mm-modem-helpers.c b/src/mm-modem-helpers.c
index b2806dfad..dce7e795d 100644
--- a/src/mm-modem-helpers.c
+++ b/src/mm-modem-helpers.c
@@ -4238,3 +4238,88 @@ mm_parse_cclk_response (const char *response,
 
     return ret;
 }
+
+/*****************************************************************************/
+/* +CSIM response parser */
+#define MM_MIN_SIM_RETRY_HEX 0x63C0
+#define MM_MAX_SIM_RETRY_HEX 0x63CF
+
+gint
+mm_parse_csim_response (const gchar *response,
+                              GError **error)
+{
+    GMatchInfo *match_info = NULL;
+    GRegex *r = NULL;
+    gchar *str_code = NULL;
+    gint retries = -1;
+    guint hex_code;
+    GError *inner_error = NULL;
+
+    r = g_regex_new ("\\+CSIM:\\s*[0-9]+,\\s*\".*([0-9a-fA-F]{4})\"", G_REGEX_RAW, 0, NULL);
+    g_regex_match (r, response, 0, &match_info);
+
+    if (!g_match_info_matches (match_info)) {
+        inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                   "Could not recognize +CSIM response '%s'", response);
+        goto out;
+    }
+
+    str_code = mm_get_string_unquoted_from_match_info (match_info, 1);
+    if (str_code == NULL) {
+        inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                   "Could not find expected string code in response '%s'", response);
+        goto out;
+    }
+
+    if (!mm_get_uint_from_hex_str (str_code, &hex_code)) {
+        inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                   "Could not recognize expected hex code in response '%s'", response);
+        goto out;
+    }
+
+    switch (hex_code) {
+        case 0x6300:
+            inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                       "SIM verification failed");
+            goto out;
+        case 0x6983:
+            inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                       "SIM authentication method blocked");
+            goto out;
+        case 0x6984:
+            inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                       "SIM reference data invalidated");
+            goto out;
+        case 0x6A86:
+            inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                       "Incorrect parameters in SIM request");
+            goto out;
+        case 0x6A88:
+            inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                       "SIM reference data not found");
+            goto out;
+        default:
+            break;
+    }
+
+    if (hex_code < MM_MIN_SIM_RETRY_HEX || hex_code > MM_MAX_SIM_RETRY_HEX) {
+        inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
+                                   "Unknown error returned '0x%04x'", hex_code);
+        goto out;
+    }
+
+    retries = (gint)(hex_code - MM_MIN_SIM_RETRY_HEX);
+
+out:
+    g_regex_unref (r);
+    g_match_info_free (match_info);
+    g_free (str_code);
+
+    if (inner_error) {
+        g_propagate_error (error, inner_error);
+        return -1;
+    }
+
+    g_assert (retries >= 0);
+    return retries;
+}
-- 
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