include: Store IPCP name and type in info struct

The information for an IPCP is now stored in an ipcp_info struct,
containing name and type. The IRM public API is not changed.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

7 files changed, 89 insertions, 73 deletions

diff --git a/src/irmd/configfile.c b/src/irmd/configfile.c
index 07f31ccf..af2a37c8 100644
--- a/src/irmd/configfile.c
+++ b/src/irmd/configfile.c
@@ -422,20 +422,20 @@ static int toml_connect(toml_table_t * table,
         return ret;
 }
 
-static int toml_ipcp(toml_table_t *       table,
-                     const char *         name,
-                     struct ipcp_config * conf)
+static int toml_ipcp(toml_table_t *           table,
+                     const struct ipcp_info * info,
+                     struct ipcp_config *     conf)
 {
         toml_datum_t bootstrap;
         toml_datum_t enrol;
         pid_t        pid;
         int          ret;
 
-        log_dbg("Found IPCP %s in configuration file.", name);
+        log_dbg("Found IPCP %s in configuration file.", info->name);
 
-        pid = create_ipcp(name, conf->type);
+        pid = create_ipcp(info);
         if (pid < 0) {
-                log_err("Failed to create IPCP %s.", name);
+                log_err("Failed to create IPCP %s.", info->name);
                 return -1;
         }
 
@@ -443,13 +443,13 @@ static int toml_ipcp(toml_table_t *       table,
         enrol     = toml_string_in(table, "enrol");
 
         if (bootstrap.ok && enrol.ok) {
-                log_err("Ignoring bootstrap for IPCP %s.", name);
+                log_err("Ignoring bootstrap for IPCP %s.", info->name);
                 free(bootstrap.u.s);
                 bootstrap.ok = false;
         }
 
         if (!bootstrap.ok && !enrol.ok) {
-                log_dbg("Nothing more to do for %s.", name);
+                log_dbg("Nothing more to do for %s.", info->name);
                 return 0;
         }
 
@@ -458,14 +458,14 @@ static int toml_ipcp(toml_table_t *       table,
                 ret = enroll_ipcp(pid, enrol.u.s);
                 free(enrol.u.s);
                 if (ret < 0) {
-                        log_err("Failed to enrol %s.", name);
+                        log_err("Failed to enrol %s.", info->name);
                         return -1;
                 }
 
                 if (get_layer_for_ipcp(pid, layer) < 0)
                         return -1;
 
-                if (toml_autobind(table, pid, name, layer))
+                if (toml_autobind(table, pid, info->name, layer))
                         return -1;
 
                 if (toml_register(table, pid) < 0) {
@@ -522,7 +522,7 @@ static int toml_ipcp(toml_table_t *       table,
         if (bootstrap_ipcp(pid, conf) < 0)
                 return -1;
 
-        if (toml_autobind(table, pid, name, conf->layer_info.name) < 0)
+        if (toml_autobind(table, pid, info->name, conf->layer_info.name) < 0)
                 return -1;
 
         if (toml_register(table, pid) < 0) {
@@ -541,17 +541,25 @@ static int toml_ipcp_list(toml_table_t * table,
 
         for (i = 0; ret == 0; i++) {
                 const char *       key;
+                struct ipcp_info   info;
                 struct ipcp_config conf;
 
                 key = toml_key_in(table, i);
                 if (key == NULL)
                         break;
 
+                if (strlen(key) > IPCP_NAME_SIZE) {
+                        log_err("IPCP name too long: %s,", key);
+                        return -1;
+                }
+
                 memset(&conf, 0, sizeof(conf));
 
+                info.type = type;
+                strcpy(info.name,key);
                 conf.type = type;
 
-                ret = toml_ipcp(toml_table_in(table, key), key, &conf);
+                ret = toml_ipcp(toml_table_in(table, key), &info, &conf);
         }
 
         return ret;
diff --git a/src/irmd/ipcp.c b/src/irmd/ipcp.c
index b0d95b44..281c7176 100644
--- a/src/irmd/ipcp.c
+++ b/src/irmd/ipcp.c
@@ -122,16 +122,15 @@ ipcp_msg_t * send_recv_ipcp_msg(pid_t        pid,
        return recv_msg;
 }
 
-pid_t ipcp_create(const char *   name,
-                  enum ipcp_type ipcp_type)
+pid_t ipcp_create(const struct ipcp_info * info)
 {
         pid_t  pid;
-        char * exec_name;
+        char * exec_name = NULL;
         char   irmd_pid[10];
         char   full_name[256];
         char * argv[5];
 
-        switch(ipcp_type) {
+        switch(info->type) {
         case IPCP_UNICAST:
                 exec_name = IPCP_UNICAST_EXEC;
                 break;
@@ -154,7 +153,7 @@ pid_t ipcp_create(const char *   name,
                 return -1;
         }
 
-        if (strlen(exec_name) == 0) {
+        if (exec_name == NULL) {
                 log_err("IPCP type not installed.");
                 return -1;
         }
@@ -167,7 +166,7 @@ pid_t ipcp_create(const char *   name,
         /* log_file to be placed at the end */
         argv[0] = full_name;
         argv[1] = irmd_pid;
-        argv[2] = (char *) name;
+        argv[2] = (char *) info->name;
         if (log_syslog)
                 argv[3] = "1";
         else
diff --git a/src/irmd/ipcp.h b/src/irmd/ipcp.h
index bedbfe01..f59e7090 100644
--- a/src/irmd/ipcp.h
+++ b/src/irmd/ipcp.h
@@ -29,8 +29,7 @@
 #ifndef OUROBOROS_IRMD_IPCP_H
 #define OUROBOROS_IRMD_IPCP_H
 
-pid_t ipcp_create(const char *   name,
-                  enum ipcp_type ipcp_type);
+pid_t ipcp_create(const struct ipcp_info * info);
 
 int   ipcp_destroy(pid_t pid);
 
diff --git a/src/irmd/irmd.h b/src/irmd/irmd.h
index a225a2dd..fcf4d1fb 100644
--- a/src/irmd/irmd.h
+++ b/src/irmd/irmd.h
@@ -26,8 +26,7 @@
 #include <ouroboros/ipcp.h>
 #include <ouroboros/irm.h>
 
-int create_ipcp(const char *   name,
-                enum ipcp_type type);
+int create_ipcp(const struct ipcp_info * info);
 
 int bootstrap_ipcp(pid_t                pid,
                    struct ipcp_config * conf);
diff --git a/src/irmd/main.c b/src/irmd/main.c
index 131bd468..f1e0e203 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -205,7 +205,9 @@ static int registry_add_ipcp(struct reg_ipcp * ipcp)
         assert(ipcp);
 
         list_for_each(p, &irmd.ipcps) {
-                if (list_entry(p, struct reg_ipcp, next)->type > ipcp->type)
+                struct reg_ipcp * i;
+                i = list_entry(p, struct reg_ipcp, next);
+                if (i->info.type > ipcp->info.type)
                         break;
         }
 
@@ -220,9 +222,10 @@ static struct reg_ipcp * registry_get_ipcp_by_pid(pid_t pid)
         struct list_head * p;
 
         list_for_each(p, &irmd.ipcps) {
-                struct reg_ipcp * e = list_entry(p, struct reg_ipcp, next);
-                if (e->pid == pid)
-                        return e;
+                struct reg_ipcp * ipcp;
+                ipcp = list_entry(p, struct reg_ipcp, next);
+                if (ipcp->pid == pid)
+                        return ipcp;
         }
 
         return NULL;
@@ -246,9 +249,10 @@ static struct reg_ipcp * registry_get_ipcp_by_name(const char * name)
         struct list_head * p;
 
         list_for_each(p, &irmd.ipcps) {
-                struct reg_ipcp * e = list_entry(p, struct reg_ipcp, next);
-                if (strcmp(name, e->name) == 0)
-                        return e;
+                struct reg_ipcp * ipcp;
+                ipcp = list_entry(p, struct reg_ipcp, next);
+                if (strcmp(name, ipcp->info.name) == 0)
+                        return ipcp;
         }
 
         return NULL;
@@ -259,9 +263,10 @@ static struct reg_ipcp * registry_get_ipcp_by_layer(const char * layer)
         struct list_head * p;
 
         list_for_each(p, &irmd.ipcps) {
-                struct reg_ipcp * e = list_entry(p, struct reg_ipcp, next);
-                if (strcmp(layer, e->layer) == 0)
-                        return e;
+                struct reg_ipcp * ipcp;
+                ipcp = list_entry(p, struct reg_ipcp, next);
+                if (strcmp(layer, ipcp->layer) == 0)
+                        return ipcp;
         }
 
         return NULL;
@@ -279,11 +284,18 @@ static struct reg_ipcp * registry_get_ipcp_by_dst_name(const char * name,
         pthread_rwlock_rdlock(&irmd.reg_lock);
 
         list_for_each_safe(p, h, &irmd.ipcps) {
-                struct reg_ipcp * e = list_entry(p, struct reg_ipcp, next);
-                if (e->layer == NULL || e->pid == src || e->type == IPCP_BROADCAST)
+                struct reg_ipcp * ipcp;
+                ipcp = list_entry(p, struct reg_ipcp, next);
+                if (ipcp->layer == NULL)
                         continue;
 
-                len = IPCP_HASH_LEN(e);
+                if (ipcp->pid == src)
+                        continue;
+
+                if (ipcp->info.type == IPCP_BROADCAST)
+                        continue;
+
+                len = IPCP_HASH_LEN(ipcp);
 
                 hash = malloc(len);
                 if (hash == NULL) {
@@ -291,15 +303,15 @@ static struct reg_ipcp * registry_get_ipcp_by_dst_name(const char * name,
                         return NULL;
                 }
 
-                str_hash(e->dir_hash_algo, hash, name);
+                str_hash(ipcp->dir_hash_algo, hash, name);
 
-                pid = e->pid;
+                pid = ipcp->pid;
 
                 pthread_rwlock_unlock(&irmd.reg_lock);
 
                 if (ipcp_query(pid, hash, len) == 0) {
                         free(hash);
-                        return e;
+                        return ipcp;
                 }
 
                 free(hash);
@@ -500,8 +512,7 @@ static struct reg_proc * registry_get_proc(pid_t pid)
         return NULL;
 }
 
-pid_t create_ipcp(const char *   name,
-                  enum ipcp_type type)
+pid_t create_ipcp(const struct ipcp_info * info)
 {
         struct pid_el *    ppid;
         struct reg_ipcp *  ipcp;
@@ -509,7 +520,7 @@ pid_t create_ipcp(const char *   name,
 
         pthread_rwlock_rdlock(&irmd.reg_lock);
 
-        ipcp = registry_get_ipcp_by_name(name);
+        ipcp = registry_get_ipcp_by_name(info->name);
         if (ipcp != NULL) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
                 log_err("IPCP by that name already exists.");
@@ -522,13 +533,13 @@ pid_t create_ipcp(const char *   name,
         if (ppid == NULL)
                 goto fail_ppid;
 
-        ipcp = reg_ipcp_create(name, type);
+        ipcp = reg_ipcp_create(info);
         if (ipcp == NULL) {
                 log_err("Failed to create IPCP entry.");
                 goto fail_reg_ipcp;
         }
 
-        pid = ipcp_create(name, type);
+        pid = ipcp_create(info);
         if (pid == -1) {
                 log_err("Failed to create IPCP.");
                 goto fail_ipcp;
@@ -616,38 +627,38 @@ static int destroy_ipcp(pid_t pid)
 int bootstrap_ipcp(pid_t                pid,
                    struct ipcp_config * conf)
 {
-        struct reg_ipcp * entry;
-        struct layer_info   info;
+        struct reg_ipcp * ipcp;
+        struct layer_info info;
 
         pthread_rwlock_wrlock(&irmd.reg_lock);
 
-        entry = registry_get_ipcp_by_pid(pid);
-        if (entry == NULL) {
+        ipcp = registry_get_ipcp_by_pid(pid);
+        if (ipcp == NULL) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
-                log_err("No such IPCP.");
+                log_err("No such IPCP: %d.", pid);
                 return -1;
         }
 
-        if (entry->type != conf->type) {
+        if (ipcp->info.type != conf->type) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
                 log_err("Configuration does not match IPCP type.");
                 return -1;
         }
 
-        if (ipcp_bootstrap(entry->pid, conf, &info)) {
+        if (ipcp_bootstrap(ipcp->pid, conf, &info)) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
                 log_err("Could not bootstrap IPCP.");
                 return -1;
         }
 
-        entry->layer = strdup(info.name);
-        if (entry->layer == NULL) {
+        ipcp->layer = strdup(info.name);
+        if (ipcp->layer == NULL) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
                 log_warn("Failed to set name of layer.");
                 return -ENOMEM;
         }
 
-        entry->dir_hash_algo = info.dir_hash_algo;
+        ipcp->dir_hash_algo = info.dir_hash_algo;
 
         pthread_rwlock_unlock(&irmd.reg_lock);
 
@@ -716,7 +727,8 @@ int connect_ipcp(pid_t        pid,
                  const char * component,
                  qosspec_t    qs)
 {
-        struct reg_ipcp * ipcp;
+        struct reg_ipcp *  ipcp;
+        struct ipcp_info * info;
 
         pthread_rwlock_rdlock(&irmd.reg_lock);
 
@@ -727,7 +739,9 @@ int connect_ipcp(pid_t        pid,
                 return -EIPCP;
         }
 
-        if (ipcp->type != IPCP_UNICAST && ipcp->type != IPCP_BROADCAST) {
+        info = &ipcp->info;
+
+        if (info->type != IPCP_UNICAST && info->type != IPCP_BROADCAST) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
                 log_err("Cannot establish connections for this IPCP type.");
                 return -EIPCP;
@@ -752,7 +766,8 @@ static int disconnect_ipcp(pid_t        pid,
                            const char * dst,
                            const char * component)
 {
-        struct reg_ipcp * ipcp;
+        struct reg_ipcp *  ipcp;
+        struct ipcp_info * info;
 
         pthread_rwlock_rdlock(&irmd.reg_lock);
 
@@ -763,7 +778,9 @@ static int disconnect_ipcp(pid_t        pid,
                 return -EIPCP;
         }
 
-        if (ipcp->type != IPCP_UNICAST && ipcp->type != IPCP_BROADCAST) {
+        info = &ipcp->info;
+
+        if (info->type != IPCP_UNICAST && info->type != IPCP_BROADCAST) {
                 pthread_rwlock_unlock(&irmd.reg_lock);
                 log_err("Cannot tear down connections for this IPCP type.");
                 return -EIPCP;
@@ -949,7 +966,7 @@ static int get_ipcp_info(ipcp_list_msg_t ** msg,
 
         ipcp_list_msg__init(*msg);
 
-        (*msg)->name = strdup(ipcp->name);
+        (*msg)->name = strdup(ipcp->info.name);
         if ((*msg)->name == NULL)
                 goto fail_name;
 
@@ -959,7 +976,7 @@ static int get_ipcp_info(ipcp_list_msg_t ** msg,
                 goto fail_layer;
 
         (*msg)->pid  = ipcp->pid;
-        (*msg)->type = ipcp->type;
+        (*msg)->type = ipcp->info.type;
 
         return 0;
 
@@ -2057,6 +2074,7 @@ static void free_msg(void * o)
 static irm_msg_t * do_command_msg(irm_msg_t * msg)
 {
         struct ipcp_config conf;
+        struct ipcp_info   info;
         irm_msg_t *        ret_msg;
         buffer_t           data;
         struct reg_flow    f;
@@ -2094,7 +2112,8 @@ static irm_msg_t * do_command_msg(irm_msg_t * msg)
 
         switch (msg->code) {
         case IRM_MSG_CODE__IRM_CREATE_IPCP:
-                res = create_ipcp(msg->name, msg->ipcp_type);
+                info = ipcp_info_msg_to_s(msg->ipcp_info);
+                res = create_ipcp(&info);
                 break;
         case IRM_MSG_CODE__IPCP_CREATE_R:
                 res = create_ipcp_r(msg->pid, msg->result);
diff --git a/src/irmd/reg/ipcp.c b/src/irmd/reg/ipcp.c
index 62505871..f64bb5a4 100644
--- a/src/irmd/reg/ipcp.c
+++ b/src/irmd/reg/ipcp.c
@@ -42,8 +42,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-struct reg_ipcp * reg_ipcp_create(const char *   name,
-                                  enum ipcp_type type)
+struct reg_ipcp * reg_ipcp_create(const struct ipcp_info * info)
 {
         struct reg_ipcp *  ipcp;
         pthread_condattr_t cattr;
@@ -63,22 +62,17 @@ struct reg_ipcp * reg_ipcp_create(const char *   name,
         if (pthread_cond_init(&ipcp->cond, &cattr))
                 goto fail_cond;
 
-        ipcp->name = strdup(name);
-        if (ipcp->name == NULL)
-                goto fail_name;
+        memcpy(&ipcp->info, info, sizeof(*info));
 
         pthread_condattr_destroy(&cattr);
 
         ipcp->layer = NULL;
-        ipcp->type  = type;
         ipcp->state = IPCP_BOOT;
 
         list_head_init(&ipcp->next);
 
         return ipcp;
 
- fail_name:
-        pthread_cond_destroy(&ipcp->cond);
  fail_cond:
         pthread_condattr_destroy(&cattr);
  fail_cattr:
@@ -99,7 +93,6 @@ void reg_ipcp_destroy(struct reg_ipcp * ipcp)
                 pthread_cond_wait(&ipcp->cond, &ipcp->mtx);
 
         free(ipcp->layer);
-        free(ipcp->name);
 
         pthread_mutex_unlock(&ipcp->mtx);
 
diff --git a/src/irmd/reg/ipcp.h b/src/irmd/reg/ipcp.h
index 8ad334cf..3757aff4 100644
--- a/src/irmd/reg/ipcp.h
+++ b/src/irmd/reg/ipcp.h
@@ -34,9 +34,9 @@ enum ipcp_state {
 struct reg_ipcp {
         struct list_head next;
 
-        char *           name;
+        struct ipcp_info info;
+
         pid_t            pid;
-        enum ipcp_type   type;
         enum hash_algo   dir_hash_algo;
         char *           layer;
 
@@ -45,8 +45,7 @@ struct reg_ipcp {
         pthread_mutex_t  mtx;
 };
 
-struct reg_ipcp * reg_ipcp_create(const char *   name,
-                                  enum ipcp_type type);
+struct reg_ipcp * reg_ipcp_create(const struct ipcp_info * info);
 
 void              reg_ipcp_destroy(struct reg_ipcp * i);