Revise CACEP API

The information passed to CACEP is split between the information about
the connection and the information to be used during the
authentication exchange.

5 files changed, 84 insertions, 65 deletions

diff --git a/src/lib/cacep.c b/src/lib/cacep.c
index 92c028af..89bd05e7 100644
--- a/src/lib/cacep.c
+++ b/src/lib/cacep.c
@@ -28,42 +28,45 @@
 #include <ouroboros/errno.h>
 #include <ouroboros/logs.h>
 
-#include <pol/cacep_anonymous_auth.h>
-#include <pol/cacep_simple_auth.h>
+#include "pol/cacep_anonymous_auth.h"
+#include "pol/cacep_simple_auth.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #define BUF_SIZE 2048
 
-int cacep_info_init(struct cacep_info * info)
+int conn_info_init(struct conn_info * info)
 {
         if (info == NULL)
                 return -EINVAL;
 
         info->proto.protocol = NULL;
-        info->name           = NULL;
-        info->data           = NULL;
+        info->name = NULL;
 
         return 0;
 }
 
-void cacep_info_fini(struct cacep_info * info)
+void conn_info_fini(struct conn_info * info)
 {
-        if (info->proto.protocol != NULL)
+        if (info == NULL)
+                return;
+
+        if (info->proto.protocol != NULL) {
                 free(info->proto.protocol);
-        if (info->name != NULL)
-                free(info->name);
-        if (info->data != NULL)
-                free(info->data);
+                info->proto.protocol = NULL;
+        }
 
-        info->name = NULL;
-        info->data = NULL;
+        if (info->name != NULL) {
+                free(info->name);
+                info->name = NULL;
+        }
 }
 
-struct cacep_info * cacep_auth(int                       fd,
-                               enum pol_cacep            pc,
-                               const struct cacep_info * info)
+struct conn_info * cacep_auth(int                      fd,
+                              enum pol_cacep           pc,
+                              const struct conn_info * info,
+                              const void *             auth)
 {
         if (info == NULL) {
                 log_err("No info provided.");
@@ -72,20 +75,21 @@ struct cacep_info * cacep_auth(int                       fd,
 
         switch (pc) {
         case ANONYMOUS_AUTH:
-                return cacep_anonymous_auth(fd, info);
+                return cacep_anonymous_auth(fd, info, auth);
         case SIMPLE_AUTH:
                 if (info == NULL)
                         return NULL;
-                return cacep_simple_auth_auth(fd, info);
+                return cacep_simple_auth_auth(fd, info, auth);
         default:
                 log_err("Unsupported CACEP policy.");
                 return NULL;
         }
 }
 
-struct cacep_info * cacep_auth_wait(int                       fd,
-                                    enum pol_cacep            pc,
-                                    const struct cacep_info * info)
+struct conn_info * cacep_auth_wait(int                      fd,
+                                   enum pol_cacep           pc,
+                                   const struct conn_info * info,
+                                   const void *             auth)
 {
         if (info == NULL) {
                 log_err("No info provided.");
@@ -94,11 +98,11 @@ struct cacep_info * cacep_auth_wait(int                       fd,
 
         switch (pc) {
         case ANONYMOUS_AUTH:
-                 return cacep_anonymous_auth_wait(fd, info);
+                return cacep_anonymous_auth_wait(fd, info, auth);
         case SIMPLE_AUTH:
                 if (info == NULL)
                         return NULL;
-                return cacep_simple_auth_auth_wait(fd, info);
+                return cacep_simple_auth_auth_wait(fd, info, auth);
         default:
                 log_err("Unsupported CACEP policy.");
                 return NULL;
diff --git a/src/lib/pol/cacep_anonymous_auth.c b/src/lib/pol/cacep_anonymous_auth.c
index 1fcc730a..44c7bd17 100644
--- a/src/lib/pol/cacep_anonymous_auth.c
+++ b/src/lib/pol/cacep_anonymous_auth.c
@@ -43,16 +43,16 @@ typedef CacepProtoMsg cacep_proto_msg_t;
 #define NAME_LEN 8
 
 /* this policy generates a hex string */
-static struct cacep_info * anonymous_info(void)
+static struct conn_info * anonymous_info(void)
 {
-        struct cacep_info * info;
+        struct conn_info * info;
         struct timespec t;
 
         info = malloc(sizeof(*info));
         if (info == NULL)
                 return NULL;
 
-        cacep_info_init(info);
+        conn_info_init(info);
 
         info->name = malloc(NAME_LEN + 1);
         if (info->name == NULL) {
@@ -71,9 +71,9 @@ static struct cacep_info * anonymous_info(void)
         return info;
 }
 
-static struct cacep_info * read_msg(int fd)
+static struct conn_info * read_msg(int fd)
 {
-        struct cacep_info *          tmp;
+        struct conn_info *           tmp;
         uint8_t                      buf[BUF_SIZE];
         cacep_anonymous_auth_msg_t * msg;
         ssize_t                      len;
@@ -113,8 +113,8 @@ static struct cacep_info * read_msg(int fd)
         return tmp;
 }
 
-static int send_msg(int                       fd,
-                    const struct cacep_info * info)
+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;
@@ -148,13 +148,16 @@ static int send_msg(int                       fd,
         return ret;
 }
 
-struct cacep_info * cacep_anonymous_auth(int                       fd,
-                                         const struct cacep_info * info)
+struct conn_info * cacep_anonymous_auth(int                      fd,
+                                        const struct conn_info * info,
+                                        const void *             auth)
 {
-        struct cacep_info * tmp;
+        struct conn_info * tmp;
 
         assert(info);
 
+        (void) auth;
+
         if (send_msg(fd, info))
                 return NULL;
 
@@ -165,30 +168,31 @@ struct cacep_info * cacep_anonymous_auth(int                       fd,
         if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
             info->proto.pref_version != tmp->proto.pref_version ||
             info->proto.pref_syntax != tmp->proto.pref_syntax) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 return NULL;
         }
 
-        tmp->data = NULL;
-
         return tmp;
 }
 
 
-struct cacep_info * cacep_anonymous_auth_wait(int                       fd,
-                                              const struct cacep_info * info)
+struct conn_info * cacep_anonymous_auth_wait(int                      fd,
+                                             const struct conn_info * info,
+                                             const void *             auth)
 {
-        struct cacep_info * tmp;
+        struct conn_info * tmp;
 
         assert(info);
 
+        (void) auth;
+
         tmp = read_msg(fd);
         if (tmp == NULL)
                 return NULL;
 
         if (send_msg(fd, info)) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 return NULL;
         }
@@ -196,7 +200,7 @@ struct cacep_info * cacep_anonymous_auth_wait(int                       fd,
         if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
             info->proto.pref_version != tmp->proto.pref_version ||
             info->proto.pref_syntax != tmp->proto.pref_syntax) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 return NULL;
         }
diff --git a/src/lib/pol/cacep_anonymous_auth.h b/src/lib/pol/cacep_anonymous_auth.h
index d0229b05..ca47b1b8 100644
--- a/src/lib/pol/cacep_anonymous_auth.h
+++ b/src/lib/pol/cacep_anonymous_auth.h
@@ -24,10 +24,12 @@
 #ifndef OUROBOROS_LIB_CACEP_ANONYMOUS_AUTH_H
 #define OUROBOROS_LIB_CACEP_ANONYMOUS_AUTH_H
 
-struct cacep_info * cacep_anonymous_auth(int                       fd,
-                                         const struct cacep_info * info);
+struct conn_info * cacep_anonymous_auth(int                      fd,
+                                        const struct conn_info * info,
+                                        const void *             auth);
 
-struct cacep_info * cacep_anonymous_auth_wait(int                       fd,
-                                              const struct cacep_info * info);
+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_simple_auth.c b/src/lib/pol/cacep_simple_auth.c
index 65c510a2..69189114 100644
--- a/src/lib/pol/cacep_simple_auth.c
+++ b/src/lib/pol/cacep_simple_auth.c
@@ -38,9 +38,9 @@ typedef CacepProtoMsg cacep_proto_msg_t;
 
 #define BUF_SIZE 2048
 
-static struct cacep_info * read_msg(int fd)
+static struct conn_info * read_msg(int fd)
 {
-        struct cacep_info *       tmp;
+        struct conn_info *       tmp;
         uint8_t                   buf[BUF_SIZE];
         cacep_simple_auth_msg_t * msg;
         ssize_t                   len;
@@ -59,7 +59,7 @@ static struct cacep_info * read_msg(int fd)
                 return NULL;
         }
 
-        cacep_info_init(tmp);
+        conn_info_init(tmp);
 
         tmp->addr = msg->addr;
         tmp->name = strdup(msg->name);
@@ -71,7 +71,7 @@ static struct cacep_info * read_msg(int fd)
 
         tmp->proto.protocol = strdup(msg->proto->protocol);
         if (tmp->proto.protocol == NULL) {
-                free(tmp->name);
+                conn_info_fini(tmp);
                 free(tmp);
                 cacep_simple_auth_msg__free_unpacked(msg, NULL);
                 return NULL;
@@ -80,7 +80,7 @@ static struct cacep_info * read_msg(int fd)
         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) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 cacep_simple_auth_msg__free_unpacked(msg, NULL);
                 return NULL;
@@ -91,8 +91,8 @@ static struct cacep_info * read_msg(int fd)
         return tmp;
 }
 
-static int send_msg(int                       fd,
-                    const struct cacep_info * info)
+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;
@@ -128,13 +128,17 @@ static int send_msg(int                       fd,
         return ret;
 }
 
-struct cacep_info * cacep_simple_auth_auth(int                       fd,
-                                           const struct cacep_info * info)
+struct conn_info * cacep_simple_auth_auth(int                      fd,
+                                          const struct conn_info * info,
+                                          const void *             auth)
 {
-        struct cacep_info * tmp;
+        struct conn_info * tmp;
 
         assert(info);
 
+        /* This policy does not need info to authenticate */
+        (void) auth;
+
         if (send_msg(fd, info))
                 return NULL;
 
@@ -145,7 +149,7 @@ struct cacep_info * cacep_simple_auth_auth(int                       fd,
         if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
             info->proto.pref_version != tmp->proto.pref_version ||
             info->proto.pref_syntax != tmp->proto.pref_syntax) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 return NULL;
         }
@@ -154,19 +158,22 @@ struct cacep_info * cacep_simple_auth_auth(int                       fd,
 }
 
 
-struct cacep_info * cacep_simple_auth_auth_wait(int                       fd,
-                                                const struct cacep_info * info)
+struct conn_info * cacep_simple_auth_auth_wait(int                      fd,
+                                               const struct conn_info * info,
+                                               const void *             auth)
 {
-        struct cacep_info * tmp;
+        struct conn_info * tmp;
 
         assert(info);
 
+        (void) auth;
+
         tmp = read_msg(fd);
         if (tmp == NULL)
                 return NULL;
 
         if (send_msg(fd, info)) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 return NULL;
         }
@@ -174,7 +181,7 @@ struct cacep_info * cacep_simple_auth_auth_wait(int                       fd,
         if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
             info->proto.pref_version != tmp->proto.pref_version ||
             info->proto.pref_syntax != tmp->proto.pref_syntax) {
-                cacep_info_fini(tmp);
+                conn_info_fini(tmp);
                 free(tmp);
                 return NULL;
         }
diff --git a/src/lib/pol/cacep_simple_auth.h b/src/lib/pol/cacep_simple_auth.h
index bbdbe9b9..31398a68 100644
--- a/src/lib/pol/cacep_simple_auth.h
+++ b/src/lib/pol/cacep_simple_auth.h
@@ -24,10 +24,12 @@
 #ifndef OUROBOROS_LIB_CACEP_SIMPLE_AUTH_H
 #define OUROBOROS_LIB_CACEP_SIMPLE_AUTH_H
 
-struct cacep_info * cacep_simple_auth_auth(int                       fd,
-                                           const struct cacep_info * info);
+struct conn_info * cacep_simple_auth_auth(int                      fd,
+                                          const struct conn_info * info,
+                                          const void *             auth);
 
-struct cacep_info * cacep_simple_auth_auth_wait(int                       fd,
-                                                const struct cacep_info * info);
+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 */