hardcode ip and add quotes

.github/workflows/cmake.yml

@@ -0,0 +1,38 @@
+name: CMake
+
+on:
+  push:
+    branches: [ master, dev ]
+  pull_request:
+    branches: [ master, dev ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: RelWithDebInfo
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally
+    # well on Windows or Mac.  You can convert this to a matrix build if you need
+    # cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+    - name: Build
+      # Build your program with the given configuration
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      # Execute tests defined by the CMake configuration.  
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ctest -C ${{env.BUILD_TYPE}}
+      

.gitignore

@@ -1,3 +1,4 @@
 # Project exclude paths
 /cmake-build-debug/
 /.idea/
+build

.vscode/launch.json

@@ -0,0 +1,7 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}

Dockerfile

@@ -0,0 +1,14 @@
+FROM git.legonzaur.fr/legonzaur/qotd/builder:latest AS builder
+
+WORKDIR /opt/builder
+
+COPY ./server .
+RUN cmake -B build -DSTATIC_BUILD=true
+WORKDIR build
+RUN make
+
+FROM scratch 
+COPY --from=builder /opt/builder/build/qotd /
+COPY quotes.txt /
+STOPSIGNAL SIGKILL
+ENTRYPOINT ["/qotd"]

builder.Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine:latest
+
+RUN apk add --no-cache cmake make gcc musl-dev

client/CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.19)
+project(qotd C)
+
+message("STATIC_BUILD=${STATIC_BUILD}")
+
+set(CMAKE_C_STANDARD 99)
+
+add_executable(qotd_c main.c)
+
+if ( STATIC_BUILD ) 
+    target_link_libraries(qotd -static)
+endif()

client/client.c

@@ -0,0 +1 @@
+#include "client.h"

client/client.h

@@ -0,0 +1,3 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>

client/config.h

@@ -0,0 +1 @@
+../server/config.h

client/main.c

@@ -0,0 +1,78 @@
+#include <arpa/inet.h> // inet_addr()
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h> // bzero()
+#include <sys/socket.h>
+#include <unistd.h> // read(), write(), close()
+#include <errno.h>
+#include <stdbool.h>
+#include "config.h"
+void unescape(char *buffer, size_t buf_len)
+{
+    int i;
+    bool last_is_escape = false;
+    for (i = 0; i < buf_len; i++)
+    {
+        if (last_is_escape)
+        {
+            switch (buffer[i])
+            {
+            case 'n':
+                buffer[i - 1] = ' ';
+                buffer[i] = '\n';
+            }
+        }
+
+        if (buffer[i] == '\\')
+        {
+            last_is_escape = true;
+        }
+        else
+        {
+            last_is_escape = false;
+        }
+    }
+}
+
+int main()
+{
+    int sockfd, connfd;
+    struct sockaddr_in servaddr4, cli;
+
+    unsigned int servaddrlength;
+    // socket create and verification
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+    if (sockfd == -1)
+    {
+        printf("socket creation failed...\n");
+        exit(1);
+    }
+
+    // assign IP, PORT
+    servaddr4.sin_family = AF_INET;
+    servaddr4.sin_addr.s_addr = inet_addr("45.81.62.108");
+    servaddr4.sin_port = htons(DEFAULT_LISTEN_PORT);
+
+    int status = connect(sockfd, (struct sockaddr *)&servaddr4, sizeof servaddr4);
+    // connect the client socket to server socket
+    if (status != 0)
+    {
+        printf("%i\n", errno);
+        printf("connection with the server failed...\n");
+
+        exit(0);
+    }
+
+    struct sockaddr *servaddr = (struct sockaddr *)&servaddr4;
+    unsigned int ss = sizeof servaddr;
+    // function for chat
+    char clientMessage[MESSAGE_STRING_LENGTH] = {0};
+    recvfrom(sockfd, clientMessage, MESSAGE_STRING_LENGTH, 0, servaddr, &ss);
+    unescape(clientMessage, (size_t)MESSAGE_STRING_LENGTH);
+    puts(clientMessage);
+
+    // close the socket
+    close(sockfd);
+}

config.h

@@ -1,12 +0,0 @@
-//
-// Created by k0rb4k on 26/11/2021.
-//
-
-#ifndef QOTD_CONFIG_H
-#define QOTD_CONFIG_H
-
-#define QUOTES_FILE "./qotd.txt"
-#define MESSAGE_STRING_LENGTH 2048
-#define DEFAULT_LISTEN_PORT 7878 // should be 17 to be RFC compliant
-
-#endif //QOTD_CONFIG_H

quotes.txt

@@ -0,0 +1,35 @@
+@dodge9395 imagine, tu sors avec un marionnettiste-\n@berkut.2000 MAIS JOUE J'EN AI RIEN À FOUTRE
+@xanatonaka Si y'a un second au tour aux présidentielles entre Erika Furudo et Adolf Hitler, je vote Adolf Hitler.
+@xanatonaka je pensais qu'il voulait dire les bougnoules
+@dodge9395 mon gros zizi\n@lea.mfao oh wow !
+@dodge9395 suce ma bite dédé\n@lea.mfao oh wow !
+@legonzaur le sexe, c'est un metroidvania?
+@xanatonaka Je suis Xana Lennon, HAHA
+@xanatonaka bègue c'est le b de LGBT
+@lea.mfao Pourquoi tu voudrais te foutre en l'air alors que tu pourrais me foutre en l'air
+@lea.mfao LA PETASSE C'EST MOI
+@lea.mfao Cette action jme fais enculer, j'aime bien
+@dodge9395 Pourquoi la recherche? Parce que la haine
+@pixelboum Zoo zan sen
+@berkut.2000 Faut arrêter de respirer à un moment
+@oshiida Mange putain de bites
+@pixelboum Toutes les sorcières sont lesbiennes
+@legonzaur Un taboulé chaud
+@fhuris les boonas sont vanilla
+@oshiida de spoèces à ours qui parlent
+@fhuris parce que je suis un bandeur de boules
+@dodge9395 une game sans pix interdit à tous les pix surtout Pixelboum du serveur discord Let me Lulu, celui qui s'appelle Baptiste Dusart et qui a étudié à 2600 (autres baptiste bienvenue)\nnon à baptiste
+@smolyuli Défonce moi mais c'est pas moi!
+@lea.mfao C'est pas ma faute si je suis raciste
+@usaminolulu Passons à la phase douche!
+@dodge9395 Jambon pourquoi tu es un perso de Baki
+@lea.mfao Typique Pix qui balance son sexe partout
+@berkut.2000 Tu te champignon
+@lea.mfao Pov : je me matraque le dé pendant le date
+@lea.mfao j'aimerais beaucoup avoir mion/shion à mon q
+@legonzaur moi quand\nQuand je veux bang un aspirateur
+@pixelboum Le sexe mais avec un coil head
+@berkut.2000 Non je vais me pisser dessus sinon
+@legonzaur On rajoute la saucise?
+@fhuris Finalement, pourquoi checker quand on peut voler ailleurs
+https://discord.com/channels/755837083742109797/821436483349119006/1269242508819431547

server.c

@@ -1,133 +0,0 @@
-//
-// Created by k0rb4k on 30/03/2021.
-//
-
-#include "server.h"
-#include "config.h"
-
-//TODO: object-like C
-//TODO: refactoring, cleanup
-
-extern int errno;
-
-_Noreturn void udpListen(void *args[]) {
-    struct sockinfo *server = (struct sockinfo *) args[0];
-    struct sockinfo *client = (struct sockinfo *) args[1];
-    char quote[MESSAGE_STRING_LENGTH] = "", clientMessage[MESSAGE_STRING_LENGTH] = "";
-
-    // create args
-    server->handle = socket(server->address->sa_family, SOCK_DGRAM, IPPROTO_UDP);
-    if (server->handle == -1) {
-        perror("socket not created");
-        pthread_exit((void *) 1);
-    }
-    puts("socket created");
-
-    // bind args
-    if (bind(server->handle, server->address, server->addressLength) < 0) {
-        perror("bind failed");
-        pthread_exit((void *) 2);
-    }
-
-    for (;;) {
-        // receive data
-        if (recvfrom(server->handle, clientMessage, MESSAGE_STRING_LENGTH, 0, client->address,
-                     &client->addressLength) >= 0) {
-            printf("received: %s\n", clientMessage);
-
-            // send data
-            getRandomQuote(quote);
-            printf("sending: %s\n", quote);
-            if (sendto(server->handle, quote, (long) strlen(quote), 0, client->address, client->addressLength) == -1) {
-                perror("[UDP: SENDTO]");
-            }
-        } else {
-            perror("[UDP: RECVFROM]");
-        }
-    }
-}
-
-void tcpListen(void *args[]) {
-    struct sockinfo *server = (struct sockinfo *) args[0];
-    struct sockinfo *client = (struct sockinfo *) args[1];
-    char quote[MESSAGE_STRING_LENGTH] = "", clientMessage[MESSAGE_STRING_LENGTH] = "";
-
-    // create args
-    server->handle = socket(server->address->sa_family, SOCK_STREAM, IPPROTO_TCP);
-    if (server->handle == -1) {
-        perror("socket not created");
-        pthread_exit((void *) 1);
-    }
-    puts("socket created");
-
-    // bind args
-    if (bind(server->handle, server->address, server->addressLength) < 0) {
-        perror("bind failed");
-        pthread_exit((void *) 2);
-    }
-
-    listen(server->handle, 5);
-    puts("server listening");
-
-    // accept connections
-    //TODO: t h r e a d s
-    while ((client->handle = accept(server->handle, client->address, &client->addressLength)) >= 0) {
-        puts("client connected");
-
-        // receive data
-        if (recv(client->handle, clientMessage, MESSAGE_STRING_LENGTH, 0) >= 0) {
-            printf("client says: %s\n", clientMessage);
-
-            // send data
-            getRandomQuote(quote);
-            printf("responding: \"%s\"\n", quote);
-            if (send(client->handle, quote, (long) strlen(quote), 0) == -1) {
-                perror("[TCP: SEND]");
-            }
-        } else {
-            perror("[TCP: RECV]");
-        }
-
-        close(client->handle);
-
-        puts("closed connection");
-    }
-
-    if (client->handle < 0) {
-        perror("client connection failed");
-        pthread_exit((void *) 3);
-    }
-}
-
-void server() {
-    struct sockinfo client;
-    struct sockinfo udp, tcp;
-    struct sockaddr_in6 serverAddress, clientAddress;
-
-    serverAddress.sin6_family = AF_INET6;
-    serverAddress.sin6_addr = in6addr_any;
-    serverAddress.sin6_port = htons(DEFAULT_LISTEN_PORT);
-
-    tcp.address = (struct sockaddr *) &serverAddress;
-    udp.address = (struct sockaddr *) &serverAddress;
-    tcp.addressLength = sizeof serverAddress;
-    udp.addressLength = sizeof serverAddress;
-
-    clientAddress.sin6_family = AF_INET6;
-    client.address = (struct sockaddr *) &clientAddress;
-    client.addressLength = sizeof clientAddress;
-
-    void *tcpArgs[] = {&tcp, &client};
-    void *udpArgs[] = {&udp, &client};
-
-    // TODO: threads to run both at the same time
-    pthread_t tcpHandle, udpHandle;
-    pthread_attr_t attr;
-    pthread_attr_init(&attr);
-    pthread_create(&tcpHandle, &attr, (void *(*)(void *)) tcpListen, tcpArgs);
-    pthread_create(&udpHandle, &attr, (void *(*)(void *)) udpListen, udpArgs);
-
-    void *tcpReturn, *udpReturn;
-    pthread_join(tcpHandle, tcpReturn);
-    pthread_join(udpHandle, udpReturn);
-}

server/CMakeLists.txt

@@ -1,11 +1,12 @@
 cmake_minimum_required(VERSION 3.19)
 project(qotd C)
 
+message("STATIC_BUILD=${STATIC_BUILD}")
+
 set(CMAKE_C_STANDARD 99)
 
-set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
-set(THREADS_PREFER_PTHREAD_FLAG TRUE)
-find_package(Threads REQUIRED)
-
 add_executable(qotd main.c quote.c quote.h server.c server.h config.h)
-target_link_libraries(qotd Threads::Threads)
+
+if ( STATIC_BUILD ) 
+    target_link_libraries(qotd -static)
+endif()

server/config.h

@@ -0,0 +1,12 @@
+//
+// Created by k0rb4k on 26/11/2021.
+//
+
+#ifndef QOTD_CONFIG_H
+#define QOTD_CONFIG_H
+
+#define QUOTES_FILE "./quotes.txt"
+#define MESSAGE_STRING_LENGTH 512
+#define DEFAULT_LISTEN_PORT 17 // should be 17 to be RFC compliant
+
+#endif // QOTD_CONFIG_H

server/main.c

@@ -2,7 +2,7 @@
 
 int main(int argc, char *argv[]) {
     // TODO: shell args
-    server();
+    server(1, 1);
 
     return 0;
 }

server/quote.c

@@ -5,30 +5,33 @@
 #include "quote.h"
 #include "config.h"
 
-//TODO: error handling
+void getRandomQuote(char quote[2048])
-
+{
-void getRandomQuote(char quote[2048]) {
     int lineCount;
     long line;
 
-    if ((lineCount = getFileLineCount(QUOTES_FILE)) == -1) {
+    if ((lineCount = getFileLineCount(QUOTES_FILE)) == -1)
+    {
         puts("file does not exist");
         exit(-1);
     }
 
-    line = random() % lineCount;
+    line = rand() % lineCount;
 
     getQuote(line, quote);
 }
 
-void getQuote(long line, char quote[2048]) {
+void getQuote(long line, char quote[2048])
-    FILE* list;
+{
+    FILE *list;
 
     list = fopen(QUOTES_FILE, "r");
 
     /*skip lines*/
-    while (line > 0) {
+    while (line > 0)
-        if (fgetc(list) == '\n') {
+    {
+        if (fgetc(list) == '\n')
+        {
             line--;
         }
     }
@@ -38,18 +41,22 @@ void getQuote(long line, char quote[2048]) {
     fclose(list);
 }
 
-int getFileLineCount(char *filename) {
+int getFileLineCount(char *filename)
+{
     char c;
     int lineCount = 0;
-    FILE* quotesFile = fopen(filename, "r");
+    FILE *quotesFile = fopen(filename, "r");
 
-    if (quotesFile == NULL) {
+    if (quotesFile == NULL)
+    {
         printf("no quote file found at \"%s\"\n", filename);
         return -1;
     }
 
-    while ((c = (char) fgetc(quotesFile)) != EOF) {
+    while ((c = (char)fgetc(quotesFile)) != EOF)
-        if (c == '\n') {
+    {
+        if (c == '\n')
+        {
             lineCount++;
         }
     }

server/quote.h

@@ -8,13 +8,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <bits/types/FILE.h>
-#include <bits/types/struct_FILE.h>
 
 void getRandomQuote(char quote[2048]);
 
 void getQuote(long line, char quote[2048]);
 
-int getFileLineCount(char* filename);
+int getFileLineCount(char *filename);
 
-#endif //QOTD_QUOTE_H
+#endif // QOTD_QUOTE_H

server/server.c

@@ -0,0 +1,140 @@
+//
+// Created by k0rb4k on 30/03/2021.
+//
+
+#include "server.h"
+#include "config.h"
+
+// TODO: object-like C
+
+extern int errno;
+
+_Noreturn void udpListen(int serverSocket, struct sockaddr *clientAddress, unsigned long addressLength)
+{
+    char clientMessage[MESSAGE_STRING_LENGTH], quote[MESSAGE_STRING_LENGTH];
+
+    for (;;)
+    {
+        // receive data
+
+        if (recvfrom(serverSocket, clientMessage, MESSAGE_STRING_LENGTH, 0, clientAddress, (socklen_t *)&addressLength) >= 0)
+        {
+            printf("received: %s\n", clientMessage);
+
+            // send data
+            getRandomQuote(quote);
+            printf("sending: %s\n", quote);
+            if (sendto(serverSocket, quote, strlen(quote), 0, clientAddress, addressLength) == -1)
+            {
+                perror("udp: sendto");
+            }
+        }
+        else
+        {
+            perror("udp: recvfrom");
+        }
+    }
+}
+
+void tcpListen(int serverSocket, struct sockaddr *clientAddress, unsigned long addressLength)
+{
+    int clientSocket;
+    char quote[MESSAGE_STRING_LENGTH] = "", clientMessage[MESSAGE_STRING_LENGTH] = "";
+
+    listen(serverSocket, 5);
+    puts("server listening");
+
+    // accept connections
+    // TODO: t h r e a d s
+    while ((clientSocket = accept(serverSocket, clientAddress, (socklen_t *)&addressLength)) >= 0)
+    {
+        puts("client connected");
+
+        getRandomQuote(quote);
+        printf("responding: \"%s\"\n", quote);
+        if (send(clientSocket, quote, strlen(quote), 0) == -1)
+        {
+            perror("tcp: send");
+        }
+        close(clientSocket);
+
+        puts("closed connection");
+    }
+
+    if (clientSocket < 0)
+    {
+        puts("client connection failed");
+        exit(3);
+    }
+}
+
+void server(int tcp, int ipv6)
+{
+    int serverSocket, socketType, socketProtocol;
+    unsigned long serverAddressLength, clientAddressLength;
+    struct sockaddr *serverAddress, *clientAddress;
+    struct sockaddr_in serverAddress4, clientAddress4;
+    struct sockaddr_in6 serverAddress6, clientAddress6;
+
+    if (ipv6)
+    {
+        serverAddress6.sin6_family = AF_INET6;
+        serverAddress6.sin6_addr = in6addr_any;
+        serverAddress6.sin6_port = htons(DEFAULT_LISTEN_PORT);
+        serverAddress = (struct sockaddr *)&serverAddress6;
+        serverAddressLength = sizeof serverAddress6;
+
+        clientAddress6.sin6_family = AF_INET6;
+        clientAddress = (struct sockaddr *)&clientAddress6;
+        clientAddressLength = sizeof clientAddress6;
+    }
+    else
+    {
+        serverAddress4.sin_family = AF_INET;
+        serverAddress4.sin_addr.s_addr = INADDR_ANY;
+        serverAddress4.sin_port = htons(DEFAULT_LISTEN_PORT);
+        serverAddress = (struct sockaddr *)&serverAddress4;
+        serverAddressLength = sizeof serverAddress4;
+
+        clientAddress4.sin_family = AF_INET;
+        clientAddress = (struct sockaddr *)&clientAddress4;
+        clientAddressLength = sizeof clientAddress4;
+    }
+
+    if (tcp)
+    {
+        socketType = SOCK_STREAM;
+        socketProtocol = IPPROTO_TCP;
+    }
+    else
+    {
+        socketType = SOCK_DGRAM;
+        socketProtocol = IPPROTO_UDP;
+    }
+
+    // create sock
+    serverSocket = socket(serverAddress->sa_family, socketType, socketProtocol);
+    if (serverSocket == -1)
+    {
+        puts("socket not created");
+        exit(1);
+    }
+    puts("socket created");
+
+    // bind sock
+    if (bind(serverSocket, serverAddress, serverAddressLength) < 0)
+    {
+        puts("bind failed");
+        exit(2);
+    }
+
+    // TODO: threads to run both at the same time
+    if (tcp)
+    {
+        tcpListen(serverSocket, clientAddress, clientAddressLength);
+    }
+    else
+    {
+        udpListen(serverSocket, clientAddress, clientAddressLength);
+    }
+}

server/server.h

@@ -14,20 +14,13 @@
 #include <string.h>
 #include <stdio.h>
 #include <errno.h>
-#include <pthread.h>
 
 #include "quote.h"
 
-struct sockinfo {
+void server(int tcp, int ipv6);
-    int handle;
-    struct sockaddr * address;
-    socklen_t addressLength;
-};
 
-void server();
+void tcpListen(int serverSocket, struct sockaddr *clientAddress, unsigned long addressLength);
 
-void tcpListen(void * args[]);
+_Noreturn void udpListen(int serverSocket, struct sockaddr *clientAddress, unsigned long addressLength);
-
-_Noreturn void udpListen(void * args[]);
 
 #endif //QOTD_SERVER_H