License rust and c source files

regression/apps/execve/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static

regression/apps/execve/execve.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <unistd.h>
 

regression/apps/execve/hello.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 
 int main(int argc, char *argv[], char *envp[]) {

regression/apps/fork/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static -nostdlib

regression/apps/fork/fork.s

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 .global _start
 
 .section .text

regression/apps/fork_c/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static

regression/apps/fork_c/fork.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <unistd.h>
 

regression/apps/hello_c/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static -mno-sse

regression/apps/hello_c/hello.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 
 int main() {

regression/apps/hello_pie/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=

regression/apps/hello_pie/hello.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 
 int main() {

regression/apps/hello_world/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static -nostdlib

regression/apps/hello_world/hello_world.s

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 .global _start
 
 .section .text

regression/apps/network/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=

regression/apps/network/listen_backlog.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <arpa/inet.h>
 #include <netinet/in.h>
 #include <stdio.h>

regression/apps/network/send_buf_full.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <arpa/inet.h>
 #include <netinet/in.h>
 #include <stdio.h>

regression/apps/network/socketpair.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <sys/socket.h>
 #include <stdlib.h>

regression/apps/network/sockoption.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/socket.h>

regression/apps/network/tcp_client.c

@@ -1,51 +1,44 @@
-// From: https://www.geeksforgeeks.org/socket-programming-cc/.
-// Some minor modifications are made to the original code base.
-// Lisenced under CCBY-SA.
+// SPDX-License-Identifier: MPL-2.0
 
-// Client side C/C++ program to demonstrate socket programming
-#include <arpa/inet.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include <sys/socket.h>
 #include <unistd.h>
+#include <arpa/inet.h>
+
 #define PORT 8080
-  
-int main(int argc, char const* argv[])
-{
-    int status, valread, client_fd;
+
+int main() {
+    int sock = 0, valread;
     struct sockaddr_in serv_addr;
-    char* hello = "Hello from client";
-    char buffer[1024] = { 0 };
-    if ((client_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+    char *hello = "Hello from client";
+    char buffer[1024] = {0};
+
+    // Create socket
+    if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
         printf("\n Socket creation error \n");
         return -1;
     }
-  
+
     serv_addr.sin_family = AF_INET;
     serv_addr.sin_port = htons(PORT);
-  
-    // Convert IPv4 and IPv6 addresses from text to binary
-    // form
-    if (inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr)
-        <= 0) {
-        printf(
-            "\nInvalid address/ Address not supported \n");
+
+    // Convert IPv4 address from text to binary form
+    if (inet_pton(AF_INET, "127.0.0.1", &(serv_addr.sin_addr)) <= 0) {
+        printf("\n Invalid address/ Address not supported \n");
         return -1;
     }
-  
-    if ((status
-         = connect(client_fd, (struct sockaddr*)&serv_addr,
-                   sizeof(serv_addr)))
-        < 0) {
-        printf("\nConnection Failed \n");
+
+    // Connect to the server
+    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
+        printf("\n Connection Failed \n");
         return -1;
     }
-    send(client_fd, hello, strlen(hello), 0);
+
+    // Send message to the server and receive the reply
+    send(sock, hello, strlen(hello), 0);
     printf("Hello message sent\n");
-    valread = read(client_fd, buffer, 1024);
-    printf("%s\n", buffer);
-  
-    // closing the connected socket
-    close(client_fd);
+    valread = read(sock, buffer, 1024);
+    printf("Server: %s\n", buffer);
     return 0;
-}
+}

regression/apps/network/tcp_server.c

@@ -1,75 +1,65 @@
-// From: https://www.geeksforgeeks.org/socket-programming-cc/.
-// Some minor modifications are made to the original code base.
-// Lisenced under CCBY-SA.
+// SPDX-License-Identifier: MPL-2.0
 
-// Server side C/C++ program to demonstrate socket programming
-#include <arpa/inet.h>
-#include <netinet/in.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/socket.h>
 #include <unistd.h>
+#include <arpa/inet.h>
+
 #define PORT 8080
-int main(int argc, char const* argv[])
-{
+
+int main() {
     int server_fd, new_socket, valread;
     struct sockaddr_in address;
     int opt = 1;
     int addrlen = sizeof(address);
-    char buffer[1024] = { 0 };
-    char* hello = "Hello from server";
-  
-    // Creating socket file descriptor
-    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+    char buffer[1024] = {0};
+    char *hello = "Hello from server";
+
+    // Create socket
+    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
         perror("socket failed");
         exit(EXIT_FAILURE);
     }
-  
-    // Forcefully attaching socket to the port 8080
-    if (setsockopt(server_fd, SOL_SOCKET,
-                   SO_REUSEADDR | SO_REUSEPORT, &opt,
-                   sizeof(opt))) {
-        perror("setsockopt");
+
+    // Set socket options
+    if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) {
+        perror("setsockopt failed");
         exit(EXIT_FAILURE);
     }
+    
     address.sin_family = AF_INET;
+    address.sin_addr.s_addr = INADDR_ANY;
     address.sin_port = htons(PORT);
-    // Convert IPv4 and IPv6 addresses from text to binary
-    // form
-    if (inet_pton(AF_INET, "127.0.0.1", &address.sin_addr)
-        <= 0) {
-        printf(
-            "\nInvalid address/ Address not supported \n");
+
+    // Convert IPv4 address from text to binary form
+    if (inet_pton(AF_INET, "127.0.0.1", &(address.sin_addr)) <= 0) {
+        printf("\n Invalid address/ Address not supported \n");
         return -1;
     }
-  
-    // Forcefully attaching socket to the port 8080
-    if (bind(server_fd, (struct sockaddr*)&address,
-             sizeof(address))
-        < 0) {
+
+    // Bind the socket to specified IP and port
+    if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
         perror("bind failed");
         exit(EXIT_FAILURE);
     }
+
+    // Listen for connections
     if (listen(server_fd, 3) < 0) {
-        perror("listen");
+        perror("listen failed");
         exit(EXIT_FAILURE);
     }
-    if ((new_socket
-         = accept(server_fd, (struct sockaddr*)&address,
-                  (socklen_t*)&addrlen))
-        < 0) {
-        perror("accept");
+
+    // Accept the connection
+    if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
+        perror("accept failed");
         exit(EXIT_FAILURE);
     }
+
+    // Read the message from the client and reply
     valread = read(new_socket, buffer, 1024);
-    printf("%s\n", buffer);
+    printf("Client: %s\n", buffer);
     send(new_socket, hello, strlen(hello), 0);
     printf("Hello message sent\n");
-  
-    // closing the connected socket
-    close(new_socket);
-    // closing the listening socket
-    shutdown(server_fd, SHUT_RDWR);
     return 0;
-}
+}

regression/apps/network/udp_client.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

regression/apps/network/udp_server.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

regression/apps/network/unix_client.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

regression/apps/network/unix_server.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

regression/apps/pthread/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static -lpthread

regression/apps/pthread/pthread_test.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 // This test file is from occlum pthread test.
 
 #include <sys/types.h>

regression/apps/pty/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=

regression/apps/pty/open_pty.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>

regression/apps/scripts/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 .PHONY: all
 
 all: ./*.sh

regression/apps/scripts/network.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+# SPDX-License-Identifier: MPL-2.0
+
 set -e
 
 NETTEST_DIR=/regression/network

regression/apps/scripts/process.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+# SPDX-License-Identifier: MPL-2.0
+
 set -e
 
 SCRIPT_DIR=/regression

regression/apps/scripts/run_regression_test.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+# SPDX-License-Identifier: MPL-2.0
+
 set -e
 
 SCRIPT_DIR=/regression

regression/apps/scripts/shell_cmd.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+# SPDX-License-Identifier: MPL-2.0
+
 set -e
 set -x
 

regression/apps/signal_c/Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+
 include ../test_common.mk
 
 EXTRA_C_FLAGS :=-static

regression/apps/signal_c/signal_test.c

@@ -1,4 +1,6 @@
-// This test file is from occlum, to test whether we implement signal correctly.
+// SPDX-License-Identifier: MPL-2.0
+
+// This test file is from occlum signal test.
 
 #define _GNU_SOURCE
 #include <sys/types.h>