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Add support for reading configuration and command history

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This commit is contained in:
logicog
2025-11-29 12:44:23 +01:00
parent 00a415c755
commit 69110531b7
1 changed files with 74 additions and 3 deletions
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tools/httpd_sim.c
+74 -3
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@@ -4,6 +4,7 @@
#include <string.h>
#include <ctype.h>
#include <stdint.h>
#include <stdbool.h>
#include <time.h>
#include "httpd_sim.h"
#include <json.h>
@@ -20,6 +21,10 @@ char upload_buffer[4194304]; // 4MB
char *content_type = NULL;
char boundary[72];
char cmd_history[1024][256];
uint16_t cmd_ptr = 0;
char *uploaded_config = NULL;
int uploaded_config_len;
char is_word(char *c, char *d)
{
@@ -202,6 +207,32 @@ void send_mirror(int s)
}
void send_cmd_log(int s)
{
char *header = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/plain; charset=UTF-8\r\n\r\n";
write(s, header, strlen(header));
for (int i = 0; i < cmd_ptr; i++) {
write(s, cmd_history[i], strlen(cmd_history[i]));
write(s, "\n", 1);
printf("%d: %s\n", i, cmd_history[i]);
}
}
void send_config(int s)
{
char *header = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/plain; charset=UTF-8\r\n\r\n";
printf("Sending uploaded config\n");
write(s, header, strlen(header));
printf("Uploaded config len: %d\n", uploaded_config_len);
printf(">%s<", uploaded_config);
write(s, uploaded_config, uploaded_config_len);
}
struct Server serverConstructor(int port, void (*launch)(struct Server *server)) {
struct Server server;
@@ -289,6 +320,11 @@ char *skip_boundary(char *p)
return p;
}
void print_cmd_history(void)
{
for (int i = 0; i < cmd_ptr; i++)
printf("%d: %s\n", i, cmd_history[i]);
}
void launch(struct Server *server)
{
@@ -324,7 +360,7 @@ void launch(struct Server *server)
send_eee(new_socket);
goto done;
}
if (!strncmp(&buffer[4], "/information.json", 12)) {
if (!strncmp(&buffer[4], "/information.json", 17)) {
printf("Status request\n");
send_basic_info(new_socket);
goto done;
@@ -340,6 +376,17 @@ void launch(struct Server *server)
send_vlan(new_socket, vlan);
goto done;
}
if (!strncmp(&buffer[4], "/cmd_log", 8)) {
printf("Request cmd_log\n");
send_cmd_log(new_socket);
goto done;
}
if (!strncmp(&buffer[4], "/config ", 8) && uploaded_config) {
printf("Request current config.\n");
send_config(new_socket);
goto done;
}
int i = 0;
while (!isspace(buffer[4 + i]))
i++;
@@ -391,8 +438,24 @@ void launch(struct Server *server)
}
printf("Bytes read %ld\n", bytesRead);
if (is_word(&buffer[5], "/upload")) {
printf("POST upload request\n");
if (is_word(&buffer[5], "/cmd")) {
printf("POST cmd\n");
printf("CMD: %s\n", p + 4);
strcpy(cmd_history[cmd_ptr], p + 4);
// cmd_history[cmd_ptr][strlen(cmd_history[cmd_ptr]) -2] = '\0';
cmd_ptr++;
print_cmd_history();
char *response = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/html\r\n\r\n"
"<!DOCTYPE html> <html><head><title>Upload OK</title></head>"
"<body><h1>Command executed successully</h1></html>";
write(new_socket, response, strlen(response));
goto done;
} else if (is_word(&buffer[5], "/upload") || is_word(&buffer[5], "/config")) {
printf("POST upload/config request\n");
bool config_upload = false;
if (is_word(&buffer[5], "/config"))
config_upload = true;
if (!boundary[0]) {
printf("Bad request, no boundary!\n");
send_bad_request(new_socket);
@@ -409,6 +472,7 @@ void launch(struct Server *server)
} while (!is_word(content_type, "application/octet-stream"));
printf("Have content: >%s<\n", content_type);
p += 4; // Skip \r\n\r\n after content type
char *uptr = upload_buffer;
int bindex = 0;
int bptr = p - buffer;
@@ -441,6 +505,13 @@ void launch(struct Server *server)
"<!DOCTYPE html> <html><head><title>Upload OK</title></head>"
"<body><h1>File uploaded successully</h1></html>";
write(new_socket, response, strlen(response));
if (config_upload) {
uploaded_config_len = (uptr - upload_buffer);
if (uploaded_config)
free (uploaded_config);
uploaded_config = malloc(uploaded_config_len + 1);
memcpy(uploaded_config, upload_buffer, uploaded_config_len);
}
goto done;
}
}