fix http parser and config

.gitignore

@@ -56,4 +56,3 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
-doxygen-awesome-css

README.md

@@ -8,7 +8,7 @@ A minimal web server. This is a personal project; it is not intended to be a pro
 - libcyaml
 - libyaml
 - [doxygen](https://www.doxygen.nl/)
-    - Optional, just to build the docs.
+    - Optional, just to build the docs. It requires `dot`.
 
 ## How to build
 

config.yaml

@@ -1,6 +1,6 @@
 # Default config file of CWS
-host: localhost
+hostname: localhost
 port: 3030
-
+www: "www" # Directory used to retrieve html files
 cert: "cert.pem"
 key: "key.pem"

include/http/http.h

@@ -1,10 +1,9 @@
 #ifndef CWS_HTTP_H
 #define CWS_HTTP_H
 
+#include "utils/config.h"
 #include "utils/hashmap.h"
 
-#define CWS_WWW "../www" /**< Directory used to get html files */
-/** In the future I'll move conf stuff under a server struct, I can skip just because I want something that works */
 #define CWS_HTTP_LOCATION_LEN 512
 #define CWS_HTTP_LOCATION_PATH_LEN 1024
 #define CWS_HTTP_VERSION_LEN 8
@@ -14,8 +13,8 @@ typedef enum cws_http_method_t {
 	CWS_HTTP_POST, /**< POST method */
 	CWS_HTTP_PUT,
 	CWS_HTTP_DELETE,
+	CWS_HTTP_HEAD,
 } cws_http_method;
-/* In the future I'll add HEAD, PUT, DELETE */
 
 /**
  * @brief HTTP request struct
@@ -39,7 +38,7 @@ typedef struct cws_http_t {
  * @param[in] request_str The http request sent to the server
  * @return Returns a http_t pointer to the request
  */
-cws_http *cws_http_parse(char *request_str, int sockfd);
+cws_http *cws_http_parse(char *request_str, int sockfd, cws_config *config);
 
 void cws_http_parse_method(cws_http *request, const char *method);
 void cws_http_get_content_type(cws_http *request, char *content_type);

include/server/server.h

@@ -4,6 +4,7 @@
 #include <netdb.h>
 #include <sys/socket.h>
 
+#include "utils/config.h"
 #include "utils/hashmap.h"
 
 /* Clients max queue */
@@ -21,11 +22,10 @@ extern volatile bool cws_server_run;
 /**
  * @brief Runs the server
  *
- * @param[in] hostname The hostname of the server (default localhost, it could be NULL)
- * @param[in] service The service (found in /etc/services) or the port where to run
+ * @param[in] config The server's config
  * @return 0 on success, -1 on error
  */
-int cws_server_start(const char *hostname, const char *service);
+int cws_server_start(cws_config *config);
 
 /**
  * @brief Setups hints object
@@ -41,7 +41,7 @@ void cws_server_setup_hints(struct addrinfo *hints, size_t len, const char *host
  *
  * @param[in,out] sockfd Socket of the commincation endpoint
  */
-void cws_server_loop(int sockfd);
+void cws_server_loop(int sockfd, cws_config *config);
 
 /**
  * @brief Adds a file descriptor to the interest list

include/utils/config.h

@@ -2,9 +2,9 @@
 #define CWS_CONFIG_H
 
 typedef struct cws_config_t {
-	char *host;
+	char *hostname;
 	char *port;
-
+	char *www;
 	char *cert;
 	char *key;
 } cws_config;

src/http/http.c

@@ -8,7 +8,7 @@
 #include "utils/colors.h"
 #include "utils/utils.h"
 
-cws_http *cws_http_parse(char *request_str, int sockfd) {
+cws_http *cws_http_parse(char *request_str, int sockfd, cws_config *config) {
 	cws_http *request = malloc(sizeof(cws_http));
 	if (request == NULL) {
 		return NULL;
@@ -21,6 +21,8 @@ cws_http *cws_http_parse(char *request_str, int sockfd) {
 	/* Parse HTTP method */
 	char *pch = strtok(request_str, " ");
 	if (pch == NULL) {
+		cws_http_free(request);
+
 		return NULL;
 	}
 	CWS_LOG_DEBUG("[http] method: %s", pch);
@@ -29,6 +31,8 @@ cws_http *cws_http_parse(char *request_str, int sockfd) {
 	/* Parse location */
 	pch = strtok(NULL, " ");
 	if (pch == NULL) {
+		cws_http_free(request);
+
 		return NULL;
 	}
 	CWS_LOG_DEBUG("[http] location: %s", pch);
@@ -36,15 +40,17 @@ cws_http *cws_http_parse(char *request_str, int sockfd) {
 
 	/* Adjust location path */
 	if (strcmp(request->location, "/") == 0) {
-		snprintf(request->location_path, CWS_HTTP_LOCATION_PATH_LEN, "%s/index.html", CWS_WWW);
+		snprintf(request->location_path, CWS_HTTP_LOCATION_PATH_LEN, "%s/index.html", config->www);
 	} else {
-		snprintf(request->location_path, CWS_HTTP_LOCATION_PATH_LEN, "%s%s", CWS_WWW, request->location);
+		snprintf(request->location_path, CWS_HTTP_LOCATION_PATH_LEN, "%s%s", config->www, request->location);
 	}
 	CWS_LOG_DEBUG("[http] location path: %s", request->location_path);
 
 	/* Parse HTTP version */
 	pch = strtok(NULL, " \r\n");
 	if (pch == NULL) {
+		cws_http_free(request);
+
 		return NULL;
 	}
 	CWS_LOG_DEBUG("[http] version: %s", pch);

src/main.c

@@ -12,18 +12,21 @@ void cws_signal_handler(int signo) { cws_server_run = false; }
 int main(int argc, char **argv) {
 	int ret;
 
+	struct sigaction act = {.sa_handler = cws_signal_handler};
+	ret = sigaction(SIGINT, &act, NULL);
+	if (!ret) {
+		CWS_LOG_ERROR("sigaction()");
+		return 1;
+	}
+
 	cws_config *config = cws_config_init();
 	if (config == NULL) {
 		CWS_LOG_ERROR("Unable to read config file");
 		return 1;
 	}
 
-	struct sigaction act = {.sa_handler = cws_signal_handler};
-	ret = sigaction(SIGINT, &act, NULL);
-
-	CWS_LOG_INFO("Running cws on http://%s:%s...", config->host, config->port);
-
-	ret = cws_server_start(config->host, config->port);
+	CWS_LOG_INFO("Running cws on http://%s:%s...", config->hostname, config->port);
+	ret = cws_server_start(config);
 	if (ret < 0) {
 		CWS_LOG_ERROR("Unable to start web server");
 	}

src/server/server.c

@@ -13,18 +13,17 @@
 
 #include "http/http.h"
 #include "utils/colors.h"
-#include "utils/hashmap.h"
 #include "utils/utils.h"
 
 volatile bool cws_server_run = 1;
 
-int cws_server_start(const char *hostname, const char *service) {
+int cws_server_start(cws_config *config) {
 	struct addrinfo hints;
 	struct addrinfo *res;
 
-	cws_server_setup_hints(&hints, sizeof hints, hostname);
+	cws_server_setup_hints(&hints, sizeof hints, config->hostname);
 
-	int status = getaddrinfo(hostname, service, &hints, &res);
+	int status = getaddrinfo(config->hostname, config->port, &hints, &res);
 	if (status != 0) {
 		CWS_LOG_ERROR("getaddrinfo() error: %s", gai_strerror(status));
 		exit(EXIT_FAILURE);
@@ -51,7 +50,7 @@ int cws_server_start(const char *hostname, const char *service) {
 		exit(EXIT_FAILURE);
 	}
 
-	cws_server_loop(sockfd);
+	cws_server_loop(sockfd, config);
 
 	freeaddrinfo(res);
 	close(sockfd);
@@ -74,7 +73,7 @@ void cws_server_setup_hints(struct addrinfo *hints, size_t len, const char *host
 	}
 }
 
-void cws_server_loop(int sockfd) {
+void cws_server_loop(int sockfd, cws_config *config) {
 	struct sockaddr_storage their_sa;
 	socklen_t theirsa_size = sizeof their_sa;
 
@@ -132,7 +131,7 @@ void cws_server_loop(int sockfd) {
 				data[bytes_read] = '\0';
 
 				/* Parse HTTP request */
-				cws_http *request = cws_http_parse(data, client_fd);
+				cws_http *request = cws_http_parse(data, client_fd, config);
 
 				if (request == NULL) {
 					cws_server_close_client(epfd, client_fd, clients);

src/utils/config.c

@@ -9,10 +9,13 @@ static const cyaml_config_t cyaml_config = {
 };
 
 static const cyaml_schema_field_t top_mapping_schema[] = {
-	CYAML_FIELD_STRING_PTR("host", CYAML_FLAG_POINTER, cws_config, host, 0, CYAML_UNLIMITED),
+	CYAML_FIELD_STRING_PTR("hostname", CYAML_FLAG_POINTER, cws_config, hostname, 0, CYAML_UNLIMITED),
 	CYAML_FIELD_STRING_PTR("port", CYAML_FLAG_POINTER, cws_config, port, 0, CYAML_UNLIMITED),
+	CYAML_FIELD_STRING_PTR("www", CYAML_FLAG_POINTER, cws_config, www, 0, CYAML_UNLIMITED),
 	CYAML_FIELD_STRING_PTR("cert", CYAML_FLAG_POINTER, cws_config, cert, 0, CYAML_UNLIMITED),
-	CYAML_FIELD_STRING_PTR("key", CYAML_FLAG_POINTER, cws_config, key, 0, CYAML_UNLIMITED), CYAML_FIELD_END};
+	CYAML_FIELD_STRING_PTR("key", CYAML_FLAG_POINTER, cws_config, key, 0, CYAML_UNLIMITED),
+	CYAML_FIELD_END
+};
 
 static const cyaml_schema_value_t top_schema = {
 	CYAML_VALUE_MAPPING(CYAML_FLAG_POINTER, cws_config, top_mapping_schema),

test/hashmap_test.c

@@ -34,10 +34,16 @@ int main(void) {
 	cws_hashmap *str_hashmap = cws_hm_init(my_hash_fn, my_equal_fn, my_free_fn, my_free_fn);
 
 	char *key = strdup("test1");
-	char *value = strdup("value1");
+	if (key == NULL) {
+		CWS_LOG_ERROR("strdup() key");
 
-	if (key == NULL || value == NULL) {
-		CWS_LOG_ERROR("strdup()");
+		return 1;
+	}
+
+	char *value = strdup("value1");
+	if (value == NULL) {
+		CWS_LOG_ERROR("strdup() value");
+		free(key);
 
 		return 1;
 	}