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ofono
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stemodem: Fix for error handling, memleak and changed some defines 

* renamed MAX_LEN to IP_ADDR_LEN
* removed memory leak from unneeded strdup when parsing xml response.
* better handling of AT error responses
* reduced number of caif interfaces to 4
This commit is contained in:
Sjur Brændeland 2010-11-12 16:02:38 +01:00 committed by Marcel Holtmann
parent 4a82cb0233
commit 2f9af8c105
1 changed files with 31 additions and 23 deletions
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54
drivers/stemodem/gprs-context.c
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@ -47,9 +47,9 @@
#include "caif_socket.h"
#include "if_caif.h"
#define MAX_CAIF_DEVICES 7
#define MAX_CAIF_DEVICES 4
#define MAX_DNS 2
#define MAX_ELEM 20
#define IP_ADDR_LEN 20
#define AUTH_BUF_LENGTH (OFONO_GPRS_MAX_USERNAME_LENGTH + \
OFONO_GPRS_MAX_PASSWORD_LENGTH + 128)
@ -73,13 +73,13 @@ struct conn_info {
struct eppsd_response {
char *current;
char ip_address[MAX_ELEM];
char subnet_mask[MAX_ELEM];
char mtu[MAX_ELEM];
char default_gateway[MAX_ELEM];
char dns_server1[MAX_ELEM];
char dns_server2[MAX_ELEM];
char p_cscf_server[MAX_ELEM];
char ip_address[IP_ADDR_LEN];
char subnet_mask[IP_ADDR_LEN];
char mtu[IP_ADDR_LEN];
char default_gateway[IP_ADDR_LEN];
char dns_server1[IP_ADDR_LEN];
char dns_server2[IP_ADDR_LEN];
char p_cscf_server[IP_ADDR_LEN];
};
static void start_element_handler(GMarkupParseContext *context,
@ -122,8 +122,8 @@ static void text_handler(GMarkupParseContext *context,
struct eppsd_response *rsp = user_data;
if (rsp->current) {
strncpy(rsp->current, text, MAX_ELEM);
rsp->current[MAX_ELEM] = 0;
strncpy(rsp->current, text, IP_ADDR_LEN);
rsp->current[IP_ADDR_LEN] = 0;
}
}
@ -191,12 +191,16 @@ static void ste_eppsd_down_cb(gboolean ok, GAtResult *result,
ofono_gprs_context_cb_t cb = cbd->cb;
struct ofono_gprs_context *gc = cbd->user;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct ofono_error error;
struct conn_info *conn;
GSList *l;
if (!ok)
goto error;
if (!ok) {
struct ofono_error error;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
return;
}
l = g_slist_find_custom(g_caif_devices,
GUINT_TO_POINTER(gcd->active_context),
@ -217,9 +221,6 @@ static void ste_eppsd_down_cb(gboolean ok, GAtResult *result,
}
conn->cid = 0;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
return;
error:
@ -237,7 +238,7 @@ static void ste_eppsd_up_cb(gboolean ok, GAtResult *result, gpointer user_data)
GSList *l;
int i;
gsize length;
char *res_string;
const char *res_string;
const char *dns[MAX_DNS + 1];
struct eppsd_response rsp;
GMarkupParseContext *context = NULL;
@ -255,8 +256,15 @@ static void ste_eppsd_up_cb(gboolean ok, GAtResult *result, gpointer user_data)
conn = l->data;
if (!ok)
goto error;
if (!ok) {
struct ofono_error error;
conn->cid = 0;
gcd->active_context = 0;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, NULL, 0, NULL, NULL, NULL, NULL, cbd->data);
return;
}
rsp.current = NULL;
context = g_markup_parse_context_new(&parser, 0, &rsp, NULL);
@ -266,7 +274,7 @@ static void ste_eppsd_up_cb(gboolean ok, GAtResult *result, gpointer user_data)
for (i = 0; i < g_at_result_num_response_lines(result); i++) {
g_at_result_iter_next(&iter, NULL);
res_string = strdup(g_at_result_iter_raw_line(&iter));
res_string = g_at_result_iter_raw_line(&iter);
length = strlen(res_string);
if (!g_markup_parse_context_parse(context, res_string,
@ -326,7 +334,6 @@ static void ste_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
struct ofono_error error;
gcd->active_context = 0;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, NULL, 0, NULL, NULL, NULL, NULL, cbd->data);
return;
@ -389,7 +396,7 @@ static void ste_gprs_activate_primary(struct ofono_gprs_context *gc,
* Set username and password, this should be done after CGDCONT
* or an error can occur. We don't bother with error checking
* here
* */
*/
snprintf(buf, sizeof(buf), "AT*EIAAUW=%d,1,\"%s\",\"%s\"",
ctx->cid, ctx->username, ctx->password);
@ -398,6 +405,7 @@ static void ste_gprs_activate_primary(struct ofono_gprs_context *gc,
return;
error:
gcd->active_context = 0;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, NULL, 0, NULL, NULL, NULL, NULL, data);