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Diffstat (limited to 'src/lib/sockets.c')
-rw-r--r--src/lib/sockets.c678
1 files changed, 26 insertions, 652 deletions
diff --git a/src/lib/sockets.c b/src/lib/sockets.c
index b157b628..f9024f70 100644
--- a/src/lib/sockets.c
+++ b/src/lib/sockets.c
@@ -96,76 +96,58 @@ int server_socket_open(char * file_name)
return sockfd;
}
-int send_irmd_msg(struct irm_msg * msg)
-{
- int sockfd;
- buffer_t * buf;
-
- sockfd = client_socket_open(IRM_SOCK_PATH);
- if (sockfd < 0)
- return -1;
-
- buf = serialize_irm_msg(msg);
- if (buf == NULL) {
- close(sockfd);
- return -1;
- }
-
- if (write(sockfd, buf->data, buf->size) == -1) {
- free(buf->data);
- free(buf);
- close(sockfd);
- return -1;
- }
-
- free(buf->data);
- free(buf);
-
- close(sockfd);
- return 0;
-}
-
-struct irm_msg * send_recv_irmd_msg(struct irm_msg * msg)
+irm_msg_t * send_recv_irm_msg(irm_msg_t * msg)
{
int sockfd;
- buffer_t * buf;
+ buffer_t buf;
ssize_t count = 0;
- struct irm_msg * recv_msg = NULL;
+ irm_msg_t * recv_msg = NULL;
sockfd = client_socket_open(IRM_SOCK_PATH);
if (sockfd < 0)
return NULL;
- buf = serialize_irm_msg(msg);
- if (buf == NULL) {
+ buf.size = irm_msg__get_packed_size(msg);
+ if (buf.size == 0) {
close(sockfd);
return NULL;
}
- if (write(sockfd, buf->data, buf->size) == -1) {
- free(buf->data);
- free(buf);
+ LOG_DBG("Size will be %lu", buf.size);
+ buf.data = malloc(buf.size);
+ if (buf.data == NULL) {
close(sockfd);
return NULL;
}
- count = read(sockfd, buf->data, IRM_MSG_BUF_SIZE);
- if (count <= 0) {
- free(buf->data);
- free(buf);
+ irm_msg__pack(msg, buf.data);
+
+ if (write(sockfd, buf.data, buf.size) == -1) {
+ free(buf.data);
close(sockfd);
return NULL;
}
- recv_msg = deserialize_irm_msg(buf);
+ count = read(sockfd, buf.data, IRM_MSG_BUF_SIZE);
+ if (count <= 0) {
+ free(buf.data);
+ close(sockfd);
+ return NULL;
+ }
- free(buf->data);
- free(buf);
+ recv_msg = irm_msg__unpack(NULL, count, buf.data);
+ if (recv_msg == NULL) {
+ free(buf.data);
+ close(sockfd);
+ return NULL;
+ }
+ free(buf.data);
close(sockfd);
return recv_msg;
}
+
char * ipcp_sock_path(pid_t pid)
{
char * full_name = NULL;
@@ -196,611 +178,3 @@ char * ipcp_sock_path(pid_t pid)
return full_name;
}
-
-static int serialized_string_len(uint8_t * data)
-{
- uint8_t * seek = data;
-
- while (*seek != '\0')
- seek++;
-
- return (seek - data) + 1;
-}
-
-static void ser_copy_value(size_t flen,
- void * dst,
- void * src,
- int * offset)
-{
- memcpy(dst + *offset, src, flen);
- *offset += flen;
-}
-
-static void ser_copy_name(rina_name_t * name,
- uint8_t * data,
- int * offset)
-{
- ser_copy_value(strlen(name->ap_name) + 1,
- data, name->ap_name, offset);
- ser_copy_value(sizeof(int), data,
- &name->api_id, offset);
-}
-
-static void deser_copy_value(size_t flen,
- void * dst,
- void * src,
- int * offset)
-{
- memcpy(dst, src + *offset, flen);
- *offset += flen;
-}
-
-static int deser_copy_string(uint8_t * data,
- char ** dst,
- int * offset)
-{
- size_t flen;
-
- flen = serialized_string_len(data + *offset);
- *dst = malloc(sizeof(**dst) * (flen + 1));
- if (*dst == NULL)
- return -1;
- deser_copy_value(flen, *dst, data, offset);
- return 0;
-}
-
-static void deser_copy_int(uint8_t * data,
- unsigned int * dst,
- int * offset)
-{
- *dst = 0;
- deser_copy_value(sizeof(int), dst, data, offset);
-}
-
-static void deser_copy_size_t(uint8_t * data,
- size_t * dst,
- int * offset)
-{
- *dst = 0;
- deser_copy_value(sizeof(size_t), dst, data, offset);
-}
-
-static rina_name_t * deser_copy_name(uint8_t * data,
- int * offset)
-{
- rina_name_t * name;
-
- name = name_create();
- if (name == NULL) {
- LOG_ERR("Failed to alloc memory");
- return NULL;
- }
-
- if (deser_copy_string(data, &name->ap_name, offset)) {
- name_destroy(name);
- return NULL;
- }
-
- deser_copy_int(data, &name->api_id, offset);
-
- return name;
-}
-
-
-/* Move these to a separate file? */
-static buffer_t * buffer_create()
-{
- buffer_t * buf;
-
- buf = malloc(sizeof(*buf));
- if (buf == NULL)
- return NULL;
-
- buf->data = malloc(IRM_MSG_BUF_SIZE);
- if (buf->data == NULL) {
- free(buf);
- return NULL;
- }
-
- return buf;
-}
-
-static void buffer_destroy(buffer_t * buf)
-{
- if (buf->data != NULL)
- free(buf->data);
-
- if (buf != NULL)
- free(buf);
-}
-
-buffer_t * serialize_irm_msg(struct irm_msg * msg)
-{
- buffer_t * buf;
- uint8_t * data;
- int offset = 0;
- int i;
- char ** pos;
-
- if (msg == NULL)
- return NULL;
-
- buf = buffer_create();
- if (buf == NULL)
- return NULL;
-
- data = buf->data;
-
- ser_copy_value(sizeof(enum irm_msg_code), data, &msg->code, &offset);
-
- ser_copy_name(msg->name, data, &offset);
-
- switch (msg->code) {
- case IRM_CREATE_IPCP:
- if (msg->ipcp_type == NULL ||
- !name_is_ok(msg->name)) {
- LOG_ERR("Null pointer passed");
- buffer_destroy(buf);
- return NULL;
- }
- ser_copy_name(msg->name, data, &offset);
- ser_copy_value(strlen(msg->ipcp_type) + 1, data,
- msg->ipcp_type, &offset);
- break;
- case IRM_DESTROY_IPCP:
- if (!name_is_ok(msg->name)) {
- LOG_ERR("Null pointer passed");
- buffer_destroy(buf);
- return NULL;
- }
- ser_copy_name(msg->name, data, &offset);
- break;
- case IRM_BOOTSTRAP_IPCP:
- if (!name_is_ok(msg->name)) {
- LOG_ERR("Null pointer passed");
- buffer_destroy(buf);
- return NULL;
- }
- ser_copy_name(msg->name, data, &offset);
- /* FIXME: Fields missing, need to define dif_conf properly */
- break;
- case IRM_ENROLL_IPCP:
- if (msg->dif_name == NULL ||
- !name_is_ok(msg->name)) {
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_name(msg->name, data, &offset);
- ser_copy_value(strlen(msg->dif_name) + 1, data,
- msg->dif_name, &offset);
-
- break;
- case IRM_REG_IPCP:
- case IRM_UNREG_IPCP:
- if (msg->difs == NULL ||
- msg->difs[0] == NULL ||
- !name_is_ok(msg->name)) {
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_name(msg->name, data, &offset);
-
- ser_copy_value(sizeof(size_t), data, &msg->difs_size, &offset);
-
- pos = msg->difs;
- for (i = 0; i < msg->difs_size; i++) {
- ser_copy_value(strlen(*pos) + 1, data, *pos, &offset);
- pos++;
- }
-
- break;
- case IRM_AP_REG:
- case IRM_AP_UNREG:
- if (msg->ap_name == NULL ||
- msg->difs == NULL ||
- msg->difs[0] == NULL) {
- LOG_ERR("Invalid arguments");
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_value(strlen(msg->ap_name) + 1,
- data, msg->ap_name, &offset);
-
- ser_copy_value(sizeof(size_t), data, &msg->difs_size, &offset);
-
- pos = msg->difs;
- for (i = 0; i < msg->difs_size; i++) {
- ser_copy_value(strlen(*pos) + 1, data, *pos, &offset);
- pos++;
- }
-
- break;
- case IRM_FLOW_ACCEPT:
- if (msg->ap_name == NULL ||
- msg->ae_name == NULL) {
- LOG_ERR("Invalid arguments");
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_value(sizeof(int), data, &msg->fd, &offset);
-
- ser_copy_value(strlen(msg->ap_name) + 1,
- data, msg->ap_name, &offset);
-
- ser_copy_value(strlen(msg->ae_name) + 1,
- data, msg->ae_name, &offset);
-
- break;
- case IRM_FLOW_ALLOC_RESP:
- ser_copy_value(sizeof(int), data, &msg->fd, &offset);
-
- ser_copy_value(sizeof(int), data, &msg->result, &offset);
-
- break;
- case IRM_FLOW_ALLOC:
- if (msg->ap_name == NULL ||
- msg->ae_name == NULL ||
- msg->dst_ap_name == NULL ||
- msg->qos == NULL) {
- LOG_ERR("Invalid arguments");
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_value(strlen(msg->dst_ap_name) + 1,
- data, msg->dst_ap_name, &offset);
-
- ser_copy_value(strlen(msg->ap_name) + 1,
- data, msg->ap_name, &offset);
-
- ser_copy_value(strlen(msg->ae_name) + 1,
- data, msg->ae_name, &offset);
-
- /* FIXME: Serialize qos spec here */
-
- ser_copy_value(sizeof(int), data, &msg->oflags, &offset);
-
- break;
- case IRM_FLOW_ALLOC_RES:
- case IRM_FLOW_DEALLOC:
- ser_copy_value(sizeof(int), data, &msg->fd, &offset);
- break;
- case IRM_FLOW_CONTROL:
- ser_copy_value(sizeof(int), data, &msg->fd, &offset);
- ser_copy_value(sizeof(int), data, &msg->oflags, &offset);
- break;
- case IRM_FLOW_WRITE:
- LOG_MISSING;
- break;
- case IRM_FLOW_READ:
- LOG_MISSING;
- break;
- case IRM_AP_REG_R:
- case IRM_FLOW_ALLOC_R:
- ser_copy_value(sizeof(int), data, &msg->fd, &offset);
- break;
- case IRM_FLOW_ACCEPT_R:
- ser_copy_value(sizeof(int), data, &msg->fd, &offset);
-
- ser_copy_value(strlen(msg->ap_name) + 1,
- data, msg->ap_name, &offset);
-
- ser_copy_value(strlen(msg->ae_name) + 1,
- data, msg->ae_name, &offset);
- break;
- case IRM_FLOW_ALLOC_RES_R:
- ser_copy_value(sizeof(int), data, &msg->result, &offset);
- break;
- default:
- LOG_ERR("Don't know that code");
- buffer_destroy(buf);
- return NULL;
- }
-
- buf->size = offset;
-
- return buf;
-}
-
-struct irm_msg * deserialize_irm_msg(buffer_t * data)
-{
- struct irm_msg * msg;
- int i, j;
- int offset = 0;
- size_t difs_size;
-
- if (data == NULL || data->data == NULL) {
- LOG_ERR("Got a null pointer");
- return NULL;
- }
-
- msg = malloc(sizeof(*msg));
- if (msg == NULL) {
- LOG_ERR("Failed to allocate memory");
- return NULL;
- }
-
- deser_copy_value(sizeof(enum irm_msg_code),
- &msg->code, data->data, &offset);
-
- switch (msg->code) {
- case IRM_CREATE_IPCP:
- msg->name = deser_copy_name(data->data, &offset);
- if (msg->name == NULL) {
- LOG_ERR("Failed to reconstruct name");
- free(msg);
- return NULL;
- }
-
- if (deser_copy_string(data->data,
- &msg->ipcp_type,
- &offset)) {
- name_destroy(msg->name);
- free(msg);
- return NULL;
- }
-
- break;
- case IRM_DESTROY_IPCP:
- msg->name = deser_copy_name(data->data, &offset);
- if (msg->name == NULL) {
- LOG_ERR("Failed to reconstruct name");
- free(msg);
- return NULL;
- }
-
- break;
- case IRM_BOOTSTRAP_IPCP:
- msg->name = deser_copy_name(data->data, &offset);
- if (msg->name == NULL) {
- LOG_ERR("Failed to reconstruct name");
- free(msg);
- return NULL;
- }
-
- break;
- case IRM_ENROLL_IPCP:
- msg->name = deser_copy_name(data->data, &offset);
- if (msg->name == NULL) {
- LOG_ERR("Failed to reconstruct name");
- free(msg);
- return NULL;
- }
-
- if (deser_copy_string(data->data,
- &msg->dif_name,
- &offset)) {
- name_destroy(msg->name);
- free(msg);
- return NULL;
- }
-
- break;
- case IRM_REG_IPCP:
- case IRM_UNREG_IPCP:
- msg->name = deser_copy_name(data->data, &offset);
- if (msg->name == NULL) {
- LOG_ERR("Failed to reconstruct name");
- free(msg);
- return NULL;
- }
-
- deser_copy_size_t(data->data, &difs_size, &offset);
- msg->difs_size = difs_size;
-
- msg->difs = malloc(sizeof(*(msg->difs)) * difs_size);
- if (msg->difs == NULL) {
- name_destroy(msg->name);
- free(msg);
- return NULL;
- }
-
- for (i = 0; i < difs_size; i++) {
- if (deser_copy_string(data->data,
- &msg->difs[i],
- &offset)) {
- for (j = 0; j < i; j++)
- free(msg->difs[j]);
- free(msg->difs);
- name_destroy(msg->name);
- free(msg);
- return NULL;
- }
- }
-
- break;
- case IRM_AP_REG:
- case IRM_AP_REG_R:
- case IRM_AP_UNREG:
- case IRM_FLOW_ACCEPT:
- case IRM_FLOW_ACCEPT_R:
- case IRM_FLOW_ALLOC_RESP:
- case IRM_FLOW_ALLOC:
- case IRM_FLOW_ALLOC_R:
- case IRM_FLOW_ALLOC_RES:
- case IRM_FLOW_ALLOC_RES_R:
- case IRM_FLOW_DEALLOC:
- case IRM_FLOW_CONTROL:
- case IRM_FLOW_WRITE:
- case IRM_FLOW_READ:
- LOG_MISSING;
- break;
- default:
- LOG_ERR("Don't know that code");
- free(msg);
- return NULL;
- }
-
- return msg;
-}
-
-buffer_t * serialize_ipcp_msg(struct ipcp_msg * msg)
-{
- buffer_t * buf = NULL;
- uint8_t * data = NULL;
- int offset = 0;
- char ** pos = NULL;
- int i = 0;
-
- if (msg == NULL)
- return NULL;
-
- buf = buffer_create();
- if (buf == NULL)
- return NULL;
-
- data = buf->data;
-
- ser_copy_value(sizeof(enum ipcp_msg_code),
- data, &msg->code, &offset);
-
- switch (msg->code) {
- case IPCP_BOOTSTRAP:
- break;
- case IPCP_ENROLL:
- if (msg->dif_name == NULL) {
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_value(strlen(msg->dif_name) + 1, data,
- msg->dif_name, &offset);
-
- if (msg->ap_name == NULL) {
- LOG_ERR("Null pointer passed");
- buffer_destroy(buf);
- return NULL;
- }
- ser_copy_value(strlen(msg->ap_name) + 1, data,
- msg->ap_name, &offset);
-
- /* All these operations end with a list of DIFs */
- case IPCP_REG:
- case IPCP_UNREG:
- if (msg->difs == NULL || msg->difs[0] == NULL) {
- buffer_destroy(buf);
- return NULL;
- }
-
- ser_copy_value(sizeof(size_t), data, &msg->difs_size, &offset);
-
- pos = msg->difs;
- for (i = 0; i < msg->difs_size; i++) {
- ser_copy_value(strlen(*pos) + 1, data, *pos, &offset);
- pos++;
- }
- break;
- default:
- LOG_ERR("Don't know that code");
- buffer_destroy(buf);
- return NULL;
- }
-
- buf->size = offset;
-
- return buf;
-}
-
-struct ipcp_msg * deserialize_ipcp_msg(buffer_t * data)
-{
- struct ipcp_msg * msg;
- int i, j;
- int offset = 0;
- size_t difs_size;
-
- if (data == NULL || data->data == NULL) {
- LOG_ERR("Got a null pointer");
- return NULL;
- }
-
- msg = malloc(sizeof(*msg));
- if (msg == NULL) {
- LOG_ERR("Failed to allocate memory");
- return NULL;
- }
-
- deser_copy_value(sizeof(enum ipcp_msg_code),
- &msg->code, data->data, &offset);
-
- switch (msg->code) {
- case IPCP_BOOTSTRAP:
- break;
- case IPCP_ENROLL:
- if (deser_copy_string(data->data,
- &msg->dif_name,
- &offset)) {
- free(msg);
- return NULL;
- }
-
- deser_copy_string(data->data,
- &msg->ap_name,
- &offset);
- if (msg->ap_name == NULL) {
- LOG_ERR("Failed to reconstruct name");
- free(msg->dif_name);
- free(msg);
- return NULL;
- }
-
- deser_copy_size_t(data->data, &difs_size, &offset);
- msg->difs_size = difs_size;
-
- msg->difs = malloc(sizeof(*(msg->difs)) * difs_size);
- if (msg->difs == NULL) {
- free(msg->ap_name);
- free(msg->dif_name);
- free(msg);
- return NULL;
- }
-
- for (i = 0; i < difs_size; i++) {
- if (deser_copy_string(data->data,
- &msg->difs[i],
- &offset)) {
- for (j = 0; j < i; j++)
- free(msg->difs[j]);
- free(msg->dif_name);
- free(msg->difs);
- free(msg->ap_name);
- free(msg);
- return NULL;
- }
- }
- break;
- case IPCP_REG:
- case IPCP_UNREG:
- deser_copy_size_t(data->data, &difs_size, &offset);
- msg->difs_size = difs_size;
-
- msg->difs = malloc(sizeof(*(msg->difs)) * difs_size);
- if (msg->difs == NULL) {
- free(msg);
- return NULL;
- }
-
- for (i = 0; i < difs_size; i++) {
- if (deser_copy_string(data->data,
- &msg->difs[i],
- &offset)) {
- for (j = 0; j < i; j++)
- free(msg->difs[j]);
- free(msg->difs);
- free(msg);
- return NULL;
- }
- }
-
- break;
- default:
- LOG_ERR("Don't know that code");
- free(msg);
- return NULL;
- }
-
- return msg;
-}