static int check_null_uri_pointer(void)
{
int error_count = 0;
char buffer[1];
/* Check NULL URI can be passed without failure to all routines */
vc_uri_release( NULL );
vc_uri_clear( NULL );
if (vc_uri_parse( NULL, NULL ))
error_count++;
if (vc_uri_parse( NULL, "" ))
error_count++;
if (vc_uri_build( NULL, NULL, 0 ) != 0)
error_count++;
buffer[0] = TEST_CHAR;
if (vc_uri_build( NULL, buffer, sizeof(buffer) ) != 0)
error_count++;
if (buffer[0] != TEST_CHAR)
error_count++;
if (vc_uri_scheme( NULL ))
error_count++;
if (vc_uri_userinfo( NULL ))
error_count++;
if (vc_uri_host( NULL ))
error_count++;
if (vc_uri_port( NULL ))
error_count++;
if (vc_uri_path( NULL ))
error_count++;
if (vc_uri_fragment( NULL ))
error_count++;
if (vc_uri_num_queries( NULL ) != 0)
error_count++;
vc_uri_query( NULL, 0, NULL, NULL );
if (vc_uri_set_scheme( NULL, NULL ))
error_count++;
if (vc_uri_set_userinfo( NULL, NULL ))
error_count++;
if (vc_uri_set_host( NULL, NULL ))
error_count++;
if (vc_uri_set_port( NULL, NULL ))
error_count++;
if (vc_uri_set_path( NULL, NULL ))
error_count++;
if (vc_uri_set_fragment( NULL, NULL ))
error_count++;
if (vc_uri_add_query( NULL, NULL, NULL ))
error_count++;
if (error_count)
LOG_ERROR(NULL, "NULL URI parameter testing failed");
return error_count;
}
/** Dump a URI structure to the log.
*
* \param uri URI structure to be dumped. */
static void dump_uri(VC_URI_PARTS_T *uri)
{
const char *str;
uint32_t query_count, ii;
str = vc_uri_scheme(uri);
if (str)
LOG_DEBUG(NULL, "Scheme: <%s>", str);
str = vc_uri_userinfo(uri);
if (str)
LOG_DEBUG(NULL, "Userinfo: <%s>", str);
str = vc_uri_host(uri);
if (str)
LOG_DEBUG(NULL, "Host: <%s>", str);
str = vc_uri_port(uri);
if (str)
LOG_DEBUG(NULL, "Port: <%s>", str);
str = vc_uri_path(uri);
if (str)
LOG_DEBUG(NULL, "Path: <%s>", str);
query_count = vc_uri_num_queries(uri);
for (ii = 0; ii < query_count; ii++)
{
const char *value;
vc_uri_query(uri, ii, &str, &value);
if (str)
{
if (value)
LOG_DEBUG(NULL, "Query %d: <%s>=<%s>", ii, str, value);
else
LOG_DEBUG(NULL, "Query %d: <%s>", ii, str);
}
}
str = vc_uri_fragment(uri);
if (str)
LOG_DEBUG(NULL, "Fragment: <%s>", str);
}
static VC_CONTAINER_STATUS_T io_http_open_socket(VC_CONTAINER_IO_T *ctx)
{
VC_CONTAINER_IO_MODULE_T *module = ctx->module;
VC_CONTAINER_STATUS_T status;
const char *host, *port;
/* Treat empty host or port strings as not defined */
port = vc_uri_port(ctx->uri_parts);
if (port && !*port)
port = NULL;
/* Require the port to be defined */
if (!port)
{
status = VC_CONTAINER_ERROR_URI_OPEN_FAILED;
goto error;
}
host = vc_uri_host(ctx->uri_parts);
if (host && !*host)
host = NULL;
if (!host)
{
status = VC_CONTAINER_ERROR_URI_OPEN_FAILED;
goto error;
}
module->sock = vc_container_net_open(host, port, VC_CONTAINER_NET_OPEN_FLAG_STREAM, NULL);
if (!module->sock)
{
status = VC_CONTAINER_ERROR_URI_NOT_FOUND;
goto error;
}
return VC_CONTAINER_SUCCESS;
error:
return status;
}
static int check_get_defaults(VC_URI_PARTS_T *uri)
{
int error_count = 0;
const char *name = NULL, *value = NULL;
char buffer[1];
if (vc_uri_scheme( uri ))
error_count++;
if (vc_uri_userinfo( uri ))
error_count++;
if (vc_uri_host( uri ))
error_count++;
if (vc_uri_port( uri ))
error_count++;
if (vc_uri_path( uri ))
error_count++;
if (vc_uri_fragment( uri ))
error_count++;
if (vc_uri_num_queries( uri ) != 0)
error_count++;
vc_uri_query( uri, 0, &name, &value );
if (name != NULL || value != NULL)
error_count++;
if (vc_uri_build(uri, NULL, 0) != 0)
error_count++;
buffer[0] = ~*TEST_STRING; /* Initialize with something */
vc_uri_build(uri, buffer, sizeof(buffer));
if (buffer[0] != '\0') /* Expect empty string */
error_count++;
if (error_count)
LOG_ERROR(NULL, "Getting default values gave unexpected values");
return error_count;
}
VC_CONTAINER_STATUS_T vc_container_io_http_open(VC_CONTAINER_IO_T *p_ctx,
const char *unused, VC_CONTAINER_IO_MODE_T mode)
{
VC_CONTAINER_STATUS_T status = VC_CONTAINER_SUCCESS;
VC_CONTAINER_IO_MODULE_T *module = 0;
VC_CONTAINER_PARAM_UNUSED(unused);
/* Check the URI to see if we're dealing with an http stream */
if (!vc_uri_scheme(p_ctx->uri_parts) ||
strcasecmp(vc_uri_scheme(p_ctx->uri_parts), "http"))
return VC_CONTAINER_ERROR_FORMAT_NOT_SUPPORTED;
/*
* Some basic error checking.
*/
if (mode == VC_CONTAINER_IO_MODE_WRITE)
{
status = VC_CONTAINER_ERROR_UNSUPPORTED_OPERATION;
goto error;
}
if (strlen(p_ctx->uri) > HTTP_URI_LENGTH_MAX)
{
status = VC_CONTAINER_ERROR_URI_OPEN_FAILED;
goto error;
}
module = calloc(1, sizeof(*module));
if (!module)
{
status = VC_CONTAINER_ERROR_OUT_OF_MEMORY;
goto error;
}
p_ctx->module = module;
/* header_list will contain pointers into the response_buffer, so take care in re-use */
module->header_list = vc_containers_list_create(HEADER_LIST_INITIAL_CAPACITY, sizeof(HTTP_HEADER_T),
(VC_CONTAINERS_LIST_COMPARATOR_T)io_http_header_comparator);
if (!module->header_list)
{
status = VC_CONTAINER_ERROR_OUT_OF_MEMORY;
goto error;
}
/*
* Make sure that we have a port number.
*/
if (vc_uri_port(p_ctx->uri_parts) == NULL)
vc_uri_set_port(p_ctx->uri_parts, IO_HTTP_DEFAULT_PORT);
status = io_http_open_socket(p_ctx);
if (status != VC_CONTAINER_SUCCESS)
goto error;
/*
* Whoo hoo! Our socket is open. Now let's send a HEAD request.
*/
status = io_http_head(p_ctx);
if (status != VC_CONTAINER_SUCCESS)
goto error;
p_ctx->pf_close = io_http_close;
p_ctx->pf_read = io_http_read;
p_ctx->pf_write = NULL;
p_ctx->pf_control = io_http_control;
p_ctx->pf_seek = io_http_seek;
p_ctx->capabilities = VC_CONTAINER_IO_CAPS_NO_CACHING;
p_ctx->capabilities |= VC_CONTAINER_IO_CAPS_SEEK_SLOW;
return VC_CONTAINER_SUCCESS;
error:
io_http_close(p_ctx);
return status;
}
static int check_accessors(VC_URI_PARTS_T *uri)
{
int error_count = 0;
const char *str;
if (vc_uri_set_scheme( uri, TEST_STRING ))
{
str = vc_uri_scheme(uri);
if (!str || strcmp(TEST_STRING, str))
error_count++;
if (!vc_uri_set_scheme( uri, NULL ))
error_count++;
if (vc_uri_scheme(uri))
error_count++;
} else
error_count++;
if (vc_uri_set_userinfo( uri, TEST_STRING ))
{
str = vc_uri_userinfo(uri);
if (!str || strcmp(TEST_STRING, str))
error_count++;
if (!vc_uri_set_userinfo( uri, NULL ))
error_count++;
if (vc_uri_userinfo(uri))
error_count++;
} else
error_count++;
if (vc_uri_set_host( uri, TEST_STRING ))
{
str = vc_uri_host(uri);
if (!str || strcmp(TEST_STRING, str))
error_count++;
if (!vc_uri_set_host( uri, NULL ))
error_count++;
if (vc_uri_host(uri))
error_count++;
} else
error_count++;
if (vc_uri_set_port( uri, TEST_STRING ))
{
str = vc_uri_port(uri);
if (!str || strcmp(TEST_STRING, str))
error_count++;
if (!vc_uri_set_port( uri, NULL ))
error_count++;
if (vc_uri_port(uri))
error_count++;
} else
error_count++;
if (vc_uri_set_path( uri, TEST_STRING ))
{
str = vc_uri_path(uri);
if (!str || strcmp(TEST_STRING, str))
error_count++;
if (!vc_uri_set_path( uri, NULL ))
error_count++;
if (vc_uri_path(uri))
error_count++;
} else
error_count++;
if (vc_uri_set_fragment( uri, TEST_STRING ))
{
str = vc_uri_fragment(uri);
if (!str || strcmp(TEST_STRING, str))
error_count++;
if (!vc_uri_set_fragment( uri, NULL ))
error_count++;
if (vc_uri_fragment(uri))
error_count++;
} else
error_count++;
if (vc_uri_add_query( uri, NULL, NULL ))
error_count++;
if (vc_uri_add_query( uri, NULL, TEST_VALUE ))
error_count++;
if (!vc_uri_add_query( uri, TEST_STRING, NULL ))
error_count++;
if (!vc_uri_add_query( uri, TEST_NAME, TEST_VALUE ))
error_count++;
if (vc_uri_num_queries(uri) == 2)
{
const char *name = NULL, *value = NULL;
vc_uri_query(uri, 0, &name, &value);
if (!name || strcmp(TEST_STRING, name))
error_count++;
if (value)
error_count++;
vc_uri_query(uri, 1, &name, &value);
if (!name || strcmp(TEST_NAME, name))
error_count++;
if (!value || strcmp(TEST_VALUE, value))
error_count++;
} else
error_count++;
if (error_count)
LOG_ERROR(NULL, "Accessors failed");
return error_count;
}