summaryrefslogtreecommitdiff
path: root/src/lib
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/CMakeLists.txt14
-rw-r--r--src/lib/cacep.c152
-rw-r--r--src/lib/cacep.proto (renamed from src/lib/pol/cacep_simple_auth.proto)17
-rw-r--r--src/lib/pol/cacep_anonymous_auth.c209
-rw-r--r--src/lib/pol/cacep_anonymous_auth.h35
-rw-r--r--src/lib/pol/cacep_anonymous_auth.proto30
-rw-r--r--src/lib/pol/cacep_proto.c52
-rw-r--r--src/lib/pol/cacep_proto.h36
-rw-r--r--src/lib/pol/cacep_proto.proto38
-rw-r--r--src/lib/pol/cacep_simple_auth.c190
-rw-r--r--src/lib/pol/cacep_simple_auth.h35
11 files changed, 101 insertions, 707 deletions
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index fcea0fb2..03452705 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -10,12 +10,7 @@ protobuf_generate_c(DIF_CONFIG_PROTO_SRCS DIF_CONFIG_PROTO_HDRS
dif_config.proto)
protobuf_generate_c(CDAP_PROTO_SRCS CDAP_PROTO_HDRS cdap.proto)
protobuf_generate_c(RO_PROTO_SRCS RO_PROTO_HDRS ro.proto)
-protobuf_generate_c(CACEP_PROTO_PROTO_SRCS CACEP_CDAP_PROTO_HDRS
- pol/cacep_proto.proto)
-protobuf_generate_c(CACEP_ANONYMOUS_AUTH_PROTO_SRCS
- CACEP_ANONYMOUS_AUTH_PROTO_HDRS pol/cacep_anonymous_auth.proto)
-protobuf_generate_c(CACEP_SIMPLE_AUTH_PROTO_SRCS CACEP_SIMPLE_AUTH_PROTO_HDRS
- pol/cacep_simple_auth.proto)
+protobuf_generate_c(CACEP_PROTO_SRCS CACEP_PROTO_HDRS cacep.proto)
if(NOT APPLE)
find_library(LIBRT_LIBRARIES rt)
@@ -54,16 +49,11 @@ set(SOURCE_FILES
sockets.c
time_utils.c
utils.c
- # Add policies last
- pol/cacep_proto.c
- pol/cacep_anonymous_auth.c
- pol/cacep_simple_auth.c
)
add_library(ouroboros SHARED ${SOURCE_FILES} ${IRM_PROTO_SRCS}
${IPCP_PROTO_SRCS} ${DIF_CONFIG_PROTO_SRCS} ${CDAP_PROTO_SRCS}
- ${CACEP_PROTO_PROTO_SRCS} ${CACEP_ANONYMOUS_AUTH_PROTO_SRCS}
- ${CACEP_SIMPLE_AUTH_PROTO_SRCS} ${RO_PROTO_SRCS})
+ ${CACEP_PROTO_SRCS} ${RO_PROTO_SRCS})
target_link_libraries(ouroboros ${LIBRT_LIBRARIES}
${LIBPTHREAD_LIBRARIES} ${PROTOBUF_C_LIBRARY})
diff --git a/src/lib/cacep.c b/src/lib/cacep.c
index 89bd05e7..badeccc0 100644
--- a/src/lib/cacep.c
+++ b/src/lib/cacep.c
@@ -1,9 +1,10 @@
/*
* Ouroboros - Copyright (C) 2016 - 2017
*
- * The Common Application Connection Establishment Phase
+ * The Common Application Connection Establishment Protocol
*
- * Sander Vrijders <[email protected]>
+ * Dimitri Staessens <[email protected]>
+ * Sander Vrijders <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@@ -20,91 +21,118 @@
* 02110-1301 USA
*/
-#define OUROBOROS_PREFIX "cacep"
-
#include <ouroboros/config.h>
#include <ouroboros/cacep.h>
#include <ouroboros/dev.h>
#include <ouroboros/errno.h>
-#include <ouroboros/logs.h>
-
-#include "pol/cacep_anonymous_auth.h"
-#include "pol/cacep_simple_auth.h"
#include <stdlib.h>
#include <string.h>
-#define BUF_SIZE 2048
+#include "cacep.pb-c.h"
+typedef CacepMsg cacep_msg_t;
-int conn_info_init(struct conn_info * info)
+#define BUF_SIZE 64
+
+int read_msg(int fd,
+ struct conn_info * info)
{
- if (info == NULL)
- return -EINVAL;
+ uint8_t buf[BUF_SIZE];
+ cacep_msg_t * msg;
+ ssize_t len;
+
+ len = flow_read(fd, buf, BUF_SIZE);
+ if (len < 0)
+ return -1;
+
+ msg = cacep_msg__unpack(NULL, len, buf);
+ if (msg == NULL)
+ return -1;
+
+ strcpy(info->protocol, msg->protocol);
+
+ info->pref_version = msg->pref_version;
+ info->pref_syntax = msg->pref_syntax;
- info->proto.protocol = NULL;
- info->name = NULL;
+ cacep_msg__free_unpacked(msg, NULL);
return 0;
}
-void conn_info_fini(struct conn_info * info)
+static int send_msg(int fd,
+ const struct conn_info * info)
{
- if (info == NULL)
- return;
+ cacep_msg_t msg = CACEP_MSG__INIT;
+ uint8_t * data = NULL;
+ size_t len = 0;
- if (info->proto.protocol != NULL) {
- free(info->proto.protocol);
- info->proto.protocol = NULL;
- }
+ msg.ae_name = (char *) info->ae_name;
+ msg.protocol = (char *) info->protocol;
+ msg.pref_version = info->pref_version;
+ msg.pref_syntax = info->pref_syntax;
+ if (msg.pref_syntax < 0)
+ return -1;
+
+ len = cacep_msg__get_packed_size(&msg);
+ if (len == 0)
+ return -1;
+
+ data = malloc(len);
+ if (data == NULL)
+ return -ENOMEM;
+
+ cacep_msg__pack(&msg, data);
- if (info->name != NULL) {
- free(info->name);
- info->name = NULL;
+ if (flow_write(fd, data, len) < 0) {
+ free(data);
+ return -1;
}
+
+ free(data);
+
+ return 0;
}
-struct conn_info * cacep_auth(int fd,
- enum pol_cacep pc,
- const struct conn_info * info,
- const void * auth)
+int cacep_connect(int fd,
+ const struct conn_info * in,
+ struct conn_info * out)
{
- if (info == NULL) {
- log_err("No info provided.");
- return NULL;
- }
+ if (in == NULL || out == NULL)
+ return -EINVAL;
- switch (pc) {
- case ANONYMOUS_AUTH:
- return cacep_anonymous_auth(fd, info, auth);
- case SIMPLE_AUTH:
- if (info == NULL)
- return NULL;
- return cacep_simple_auth_auth(fd, info, auth);
- default:
- log_err("Unsupported CACEP policy.");
- return NULL;
- }
+ if (send_msg(fd, in))
+ return -1;
+
+ if (read_msg(fd, out))
+ return -1;
+
+ if (strcmp(in->ae_name, out->ae_name) ||
+ strcmp(in->protocol, out->protocol) ||
+ in->pref_version != out->pref_version ||
+ in->pref_syntax != out->pref_syntax)
+ return -EPROTO;
+
+ return 0;
}
-struct conn_info * cacep_auth_wait(int fd,
- enum pol_cacep pc,
- const struct conn_info * info,
- const void * auth)
+int cacep_listen(int fd,
+ const struct conn_info * in,
+ struct conn_info * out)
{
- if (info == NULL) {
- log_err("No info provided.");
- return NULL;
- }
+ if (in == NULL || out == NULL)
+ return -EINVAL;
- switch (pc) {
- case ANONYMOUS_AUTH:
- return cacep_anonymous_auth_wait(fd, info, auth);
- case SIMPLE_AUTH:
- if (info == NULL)
- return NULL;
- return cacep_simple_auth_auth_wait(fd, info, auth);
- default:
- log_err("Unsupported CACEP policy.");
- return NULL;
- }
+ if (send_msg(fd, in))
+ return -1;
+
+ if (read_msg(fd, out))
+ return -1;
+
+ if (strcmp(in->ae_name, out->ae_name) ||
+ strcmp(in->protocol, out->protocol) ||
+ in->pref_version != out->pref_version ||
+ in->pref_syntax != out->pref_syntax)
+ return -EPROTO;
+
+ return 0;
}
diff --git a/src/lib/pol/cacep_simple_auth.proto b/src/lib/cacep.proto
index 1a1e7ea8..3e1291f6 100644
--- a/src/lib/pol/cacep_simple_auth.proto
+++ b/src/lib/cacep.proto
@@ -1,7 +1,7 @@
/*
* Ouroboros - Copyright (C) 2016 - 2017
*
- * Message for no authentication CACEP policy
+ * Message for Connection Information in CACEP
*
* Dimitri Staessens <[email protected]>
* Sander Vrijders <[email protected]>
@@ -23,10 +23,11 @@
syntax = "proto2";
-import "cacep_proto.proto";
-
-message cacep_simple_auth_msg {
- required cacep_proto_msg proto = 1;
- required string name = 2;
- required uint64 addr = 3;
-}
+message cacep_msg {
+ required string ae_name = 1;
+ required string protocol = 2;
+ required int32 pref_version = 3;
+ repeated int32 supp_version = 4;
+ required int32 pref_syntax = 5;
+ repeated int32 supp_syntax = 6;
+} \ No newline at end of file
diff --git a/src/lib/pol/cacep_anonymous_auth.c b/src/lib/pol/cacep_anonymous_auth.c
deleted file mode 100644
index 44c7bd17..00000000
--- a/src/lib/pol/cacep_anonymous_auth.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Anonymous policy for CACEP
- *
- * Dimitri Staessens <[email protected]>
- * Sander Vrijders <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <ouroboros/config.h>
-#include <ouroboros/cacep.h>
-#include <ouroboros/time_utils.h>
-#include <ouroboros/dev.h>
-#include <ouroboros/errno.h>
-
-#include "cacep_proto.h"
-#include "cacep_anonymous_auth.h"
-
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "cacep_anonymous_auth.pb-c.h"
-typedef CacepAnonymousAuthMsg cacep_anonymous_auth_msg_t;
-typedef CacepProtoMsg cacep_proto_msg_t;
-
-#define BUF_SIZE 2048
-#define NAME_LEN 8
-
-/* this policy generates a hex string */
-static struct conn_info * anonymous_info(void)
-{
- struct conn_info * info;
- struct timespec t;
-
- info = malloc(sizeof(*info));
- if (info == NULL)
- return NULL;
-
- conn_info_init(info);
-
- info->name = malloc(NAME_LEN + 1);
- if (info->name == NULL) {
- free(info);
- return NULL;
- }
-
- clock_gettime(CLOCK_REALTIME, &t);
- srand(t.tv_nsec);
-
- sprintf(info->name, "%8x",
- (uint32_t)((rand() % RAND_MAX) & 0xFFFFFFFF));
-
- info->addr = 0;
-
- return info;
-}
-
-static struct conn_info * read_msg(int fd)
-{
- struct conn_info * tmp;
- uint8_t buf[BUF_SIZE];
- cacep_anonymous_auth_msg_t * msg;
- ssize_t len;
-
- len = flow_read(fd, buf, BUF_SIZE);
- if (len < 0)
- return NULL;
-
- msg = cacep_anonymous_auth_msg__unpack(NULL, len, buf);
- if (msg == NULL)
- return NULL;
-
- tmp = anonymous_info();
- if (tmp == NULL) {
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- tmp->proto.protocol = strdup(msg->proto->protocol);
- if (tmp->proto.protocol == NULL) {
- free(tmp);
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- tmp->proto.pref_version = msg->proto->pref_version;
- tmp->proto.pref_syntax = code_to_syntax(msg->proto->pref_syntax);
- if (tmp->proto.pref_syntax < 0) {
- free(tmp->proto.protocol);
- free(tmp);
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
-
- return tmp;
-}
-
-static int send_msg(int fd,
- const struct conn_info * info)
-{
- cacep_anonymous_auth_msg_t msg = CACEP_ANONYMOUS_AUTH_MSG__INIT;
- cacep_proto_msg_t cmsg = CACEP_PROTO_MSG__INIT;
- int ret = 0;
- uint8_t * data = NULL;
- size_t len = 0;
-
- cmsg.protocol = info->proto.protocol;
- cmsg.pref_version = info->proto.pref_version;
- cmsg.pref_syntax = syntax_to_code(info->proto.pref_syntax);
- if (cmsg.pref_syntax < 0)
- return -1;
-
- msg.proto = &cmsg;
-
- len = cacep_anonymous_auth_msg__get_packed_size(&msg);
- if (len == 0)
- return -1;
-
- data = malloc(len);
- if (data == NULL)
- return -ENOMEM;
-
- cacep_anonymous_auth_msg__pack(&msg, data);
-
- if (flow_write(fd, data, len) < 0)
- ret = -1;
-
- free(data);
-
- return ret;
-}
-
-struct conn_info * cacep_anonymous_auth(int fd,
- const struct conn_info * info,
- const void * auth)
-{
- struct conn_info * tmp;
-
- assert(info);
-
- (void) auth;
-
- if (send_msg(fd, info))
- return NULL;
-
- tmp = read_msg(fd);
- if (tmp == NULL)
- return NULL;
-
- if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
- info->proto.pref_version != tmp->proto.pref_version ||
- info->proto.pref_syntax != tmp->proto.pref_syntax) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- return tmp;
-}
-
-
-struct conn_info * cacep_anonymous_auth_wait(int fd,
- const struct conn_info * info,
- const void * auth)
-{
- struct conn_info * tmp;
-
- assert(info);
-
- (void) auth;
-
- tmp = read_msg(fd);
- if (tmp == NULL)
- return NULL;
-
- if (send_msg(fd, info)) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
- info->proto.pref_version != tmp->proto.pref_version ||
- info->proto.pref_syntax != tmp->proto.pref_syntax) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- return tmp;
-}
diff --git a/src/lib/pol/cacep_anonymous_auth.h b/src/lib/pol/cacep_anonymous_auth.h
deleted file mode 100644
index ca47b1b8..00000000
--- a/src/lib/pol/cacep_anonymous_auth.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Anonymous policy for CACEP
- *
- * Dimitri Staessens <[email protected]>
- * Sander Vrijders <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#ifndef OUROBOROS_LIB_CACEP_ANONYMOUS_AUTH_H
-#define OUROBOROS_LIB_CACEP_ANONYMOUS_AUTH_H
-
-struct conn_info * cacep_anonymous_auth(int fd,
- const struct conn_info * info,
- const void * auth);
-
-struct conn_info * cacep_anonymous_auth_wait(int fd,
- const struct conn_info * info,
- const void * auth);
-
-#endif /* OUROBOROS_LIB_CACEP_ANONYMOUS_AUTH_H */
diff --git a/src/lib/pol/cacep_anonymous_auth.proto b/src/lib/pol/cacep_anonymous_auth.proto
deleted file mode 100644
index 79734e28..00000000
--- a/src/lib/pol/cacep_anonymous_auth.proto
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Message for no authentication CACEP policy
- *
- * Dimitri Staessens <[email protected]>
- * Sander Vrijders <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-syntax = "proto2";
-
-import "cacep_proto.proto";
-
-message cacep_anonymous_auth_msg {
- required cacep_proto_msg proto = 1;
-} \ No newline at end of file
diff --git a/src/lib/pol/cacep_proto.c b/src/lib/pol/cacep_proto.c
deleted file mode 100644
index 9990a05a..00000000
--- a/src/lib/pol/cacep_proto.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * CACEP - Read/Write Protocol info
- *
- * Sander Vrijders <[email protected]>
- * Dimitri Staessens <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include "cacep_proto.h"
-
-enum proto_concrete_syntax code_to_syntax(int code)
-{
- switch(code) {
- case PROTO_CONCRETE_SYNTAX_CODE__GPB:
- return PROTO_GPB;
- case PROTO_CONCRETE_SYNTAX_CODE__ASN_1:
- return PROTO_ASN_1;
- case PROTO_CONCRETE_SYNTAX_CODE__FIXED:
- return PROTO_FIXED;
- default:
- return -1;
- }
-}
-
-int syntax_to_code(enum proto_concrete_syntax stx)
-{
- switch(stx) {
- case PROTO_GPB:
- return PROTO_CONCRETE_SYNTAX_CODE__GPB;
- case PROTO_ASN_1:
- return PROTO_CONCRETE_SYNTAX_CODE__ASN_1;
- case PROTO_FIXED:
- return PROTO_CONCRETE_SYNTAX_CODE__FIXED;
- default:
- return -1;
- }
-}
diff --git a/src/lib/pol/cacep_proto.h b/src/lib/pol/cacep_proto.h
deleted file mode 100644
index bfb1b247..00000000
--- a/src/lib/pol/cacep_proto.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * CACEP - Convert syntax to msg code and back
- *
- * Sander Vrijders <[email protected]>
- * Dimitri Staessens <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#ifndef OUROBOROS_LIB_CACEP_CDAP_H
-#define OUROBOROS_LIB_CACEP_CDAP_H
-
-#include <ouroboros/cacep.h>
-#include <ouroboros/irm_config.h>
-
-#include "cacep_proto.pb-c.h"
-
-enum proto_concrete_syntax code_to_syntax(int code);
-
-int syntax_to_code(enum proto_concrete_syntax stx);
-
-#endif /* OUROBOROS_LIB_CACEP_CDAP_H */
diff --git a/src/lib/pol/cacep_proto.proto b/src/lib/pol/cacep_proto.proto
deleted file mode 100644
index f313bfc1..00000000
--- a/src/lib/pol/cacep_proto.proto
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Message for setting Protocol information in CACEP
- *
- * Dimitri Staessens <[email protected]>
- * Sander Vrijders <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-syntax = "proto2";
-
-enum proto_concrete_syntax_code {
- GPB = 1;
- ASN_1 = 2;
- FIXED = 3;
-}
-
-message cacep_proto_msg {
- required string protocol = 1;
- required int32 pref_version = 2;
- repeated int32 supp_version = 3;
- required proto_concrete_syntax_code pref_syntax = 4;
- repeated proto_concrete_syntax_code supp_syntax = 5;
-}
diff --git a/src/lib/pol/cacep_simple_auth.c b/src/lib/pol/cacep_simple_auth.c
deleted file mode 100644
index 69189114..00000000
--- a/src/lib/pol/cacep_simple_auth.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Simple authentication policy for CACEP
- *
- * Dimitri Staessens <[email protected]>
- * Sander Vrijders <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <ouroboros/config.h>
-#include <ouroboros/cacep.h>
-#include <ouroboros/dev.h>
-#include <ouroboros/errno.h>
-
-#include "cacep_proto.h"
-#include "cacep_simple_auth.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "cacep_simple_auth.pb-c.h"
-typedef CacepSimpleAuthMsg cacep_simple_auth_msg_t;
-typedef CacepProtoMsg cacep_proto_msg_t;
-
-#define BUF_SIZE 2048
-
-static struct conn_info * read_msg(int fd)
-{
- struct conn_info * tmp;
- uint8_t buf[BUF_SIZE];
- cacep_simple_auth_msg_t * msg;
- ssize_t len;
-
- len = flow_read(fd, buf, BUF_SIZE);
- if (len < 0)
- return NULL;
-
- msg = cacep_simple_auth_msg__unpack(NULL, len, buf);
- if (msg == NULL)
- return NULL;
-
- tmp = malloc(sizeof(*tmp));
- if (tmp == NULL) {
- cacep_simple_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- conn_info_init(tmp);
-
- tmp->addr = msg->addr;
- tmp->name = strdup(msg->name);
- if (tmp->name == NULL) {
- free(tmp);
- cacep_simple_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- tmp->proto.protocol = strdup(msg->proto->protocol);
- if (tmp->proto.protocol == NULL) {
- conn_info_fini(tmp);
- free(tmp);
- cacep_simple_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- tmp->proto.pref_version = msg->proto->pref_version;
- tmp->proto.pref_syntax = code_to_syntax(msg->proto->pref_syntax);
- if (tmp->proto.pref_syntax < 0) {
- conn_info_fini(tmp);
- free(tmp);
- cacep_simple_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- cacep_simple_auth_msg__free_unpacked(msg, NULL);
-
- return tmp;
-}
-
-static int send_msg(int fd,
- const struct conn_info * info)
-{
- cacep_simple_auth_msg_t msg = CACEP_SIMPLE_AUTH_MSG__INIT;
- cacep_proto_msg_t cmsg = CACEP_PROTO_MSG__INIT;
- int ret = 0;
- uint8_t * data = NULL;
- size_t len = 0;
-
- cmsg.protocol = info->proto.protocol;
- cmsg.pref_version = info->proto.pref_version;
- cmsg.pref_syntax = syntax_to_code(info->proto.pref_syntax);
- if (cmsg.pref_syntax < 0)
- return -1;
-
- msg.proto = &cmsg;
- msg.name = info->name;
- msg.addr = info->addr;
-
- len = cacep_simple_auth_msg__get_packed_size(&msg);
- if (len == 0)
- return -1;
-
- data = malloc(len);
- if (data == NULL)
- return -ENOMEM;
-
- cacep_simple_auth_msg__pack(&msg, data);
-
- if (flow_write(fd, data, len) < 0)
- ret = -1;
-
- free(data);
-
- return ret;
-}
-
-struct conn_info * cacep_simple_auth_auth(int fd,
- const struct conn_info * info,
- const void * auth)
-{
- struct conn_info * tmp;
-
- assert(info);
-
- /* This policy does not need info to authenticate */
- (void) auth;
-
- if (send_msg(fd, info))
- return NULL;
-
- tmp = read_msg(fd);
- if (tmp == NULL)
- return NULL;
-
- if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
- info->proto.pref_version != tmp->proto.pref_version ||
- info->proto.pref_syntax != tmp->proto.pref_syntax) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- return tmp;
-}
-
-
-struct conn_info * cacep_simple_auth_auth_wait(int fd,
- const struct conn_info * info,
- const void * auth)
-{
- struct conn_info * tmp;
-
- assert(info);
-
- (void) auth;
-
- tmp = read_msg(fd);
- if (tmp == NULL)
- return NULL;
-
- if (send_msg(fd, info)) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
- info->proto.pref_version != tmp->proto.pref_version ||
- info->proto.pref_syntax != tmp->proto.pref_syntax) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- return tmp;
-}
diff --git a/src/lib/pol/cacep_simple_auth.h b/src/lib/pol/cacep_simple_auth.h
deleted file mode 100644
index 31398a68..00000000
--- a/src/lib/pol/cacep_simple_auth.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Simple authentication policy for CACEP
- *
- * Dimitri Staessens <[email protected]>
- * Sander Vrijders <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#ifndef OUROBOROS_LIB_CACEP_SIMPLE_AUTH_H
-#define OUROBOROS_LIB_CACEP_SIMPLE_AUTH_H
-
-struct conn_info * cacep_simple_auth_auth(int fd,
- const struct conn_info * info,
- const void * auth);
-
-struct conn_info * cacep_simple_auth_auth_wait(int fd,
- const struct conn_info * info,
- const void * auth);
-
-#endif /* OUROBOROS_LIB_CACEP_SIMPLE_AUTH_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 03:31:48 +0000