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update IP parsing

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boreddevnl 2026-03-03 13:35:02 +01:00
parent 80fce3d0e9
commit 10ca6ef345
10 changed files with 199 additions and 39 deletions
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183
src/kernel/userland/browser.c
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@ -94,6 +94,9 @@ static int element_count = 0;
static char url_input_buffer[512] = "http://frogfind.com"; static char url_input_buffer[512] = "http://frogfind.com";
static int url_cursor = 19; static int url_cursor = 19;
static char current_host[256] = "frogfind.com"; static char current_host[256] = "frogfind.com";
static int current_port = 80;
static char current_form_action[256] = "";
static char current_input_name[64] = "q";
static ui_window_t win_browser; static ui_window_t win_browser;
static int scroll_y = 0; static int scroll_y = 0;
@ -119,27 +122,66 @@ static bool str_istarts_with(const char *str, const char *prefix) {
return true; return true;
} }
static int parse_ip(const char* str, net_ipv4_address_t* ip) {
int val = 0;
int part = 0;
const char* p = str;
while (*p) {
if (*p >= '0' && *p <= '9') {
val = val * 10 + (*p - '0');
if (val > 255) return -1;
} else if (*p == '.') {
if (part > 3) return -1;
ip->bytes[part++] = (uint8_t)val;
val = 0;
} else {
return -1;
}
p++;
}
if (part != 3) return -1;
ip->bytes[3] = (uint8_t)val;
return 0;
}
static int fetch_content(const char *url, char *dest_buf, int max_len) { static int fetch_content(const char *url, char *dest_buf, int max_len) {
const char* host_start = url; const char* host_start = url;
if (url[0] == 'h' && url[1] == 't' && url[2] == 't' && url[3] == 'p') { if (url[0] == 'h' && url[1] == 't' && url[2] == 't' && url[3] == 'p') {
if (url[4] == 's') host_start = url + 8; if (url[4] == 's' && url[5] == ':') host_start = url + 8;
else host_start = url + 7; else if (url[4] == ':') host_start = url + 7;
} }
char hostname[256]; char hostname[256];
int port = 80;
int i = 0; int i = 0;
while (host_start[i] && host_start[i] != '/' && i < 255) { while (host_start[i] && host_start[i] != '/' && host_start[i] != ':' && i < 255) {
hostname[i] = host_start[i]; hostname[i] = host_start[i];
i++; i++;
} }
hostname[i] = 0; hostname[i] = 0;
if (i > 0) {
if (host_start[i] == ':') {
i++;
char port_str[10];
int j = 0;
while (host_start[i] && host_start[i] != '/' && j < 9) {
port_str[j++] = host_start[i++];
}
port_str[j] = 0;
port = atoi(port_str);
}
current_port = port;
if (hostname[0]) {
int k=0; while(hostname[k]) { current_host[k] = hostname[k]; k++; } current_host[k] = 0; int k=0; while(hostname[k]) { current_host[k] = hostname[k]; k++; } current_host[k] = 0;
} }
net_ipv4_address_t ip; net_ipv4_address_t ip;
if (sys_dns_lookup(hostname, &ip) != 0) return 0; if (parse_ip(hostname, &ip) != 0) {
if (sys_tcp_connect(&ip, 80) != 0) return 0; if (sys_dns_lookup(hostname, &ip) != 0) return 0;
}
if (sys_tcp_connect(&ip, port) != 0) return 0;
const char* path = host_start + i; const char* path = host_start + i;
if (*path == 0) path = "/"; if (*path == 0) path = "/";
@ -151,6 +193,11 @@ static int fetch_content(const char *url, char *dest_buf, int max_len) {
s = path; while(*s) *r++ = *s++; s = path; while(*s) *r++ = *s++;
s = " HTTP/1.1\r\nHost: "; while(*s) *r++ = *s++; s = " HTTP/1.1\r\nHost: "; while(*s) *r++ = *s++;
s = hostname; while(*s) *r++ = *s++; s = hostname; while(*s) *r++ = *s++;
if (current_port != 80) {
*r++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
s = pbuf; while(*s) *r++ = *s++;
}
s = "\r\nUser-Agent: BoredOS/1.0\r\nAccept: */*\r\nConnection: close\r\n\r\n"; while(*s) *r++ = *s++; s = "\r\nUser-Agent: BoredOS/1.0\r\nAccept: */*\r\nConnection: close\r\n\r\n"; while(*s) *r++ = *s++;
sys_tcp_send(request, r - request); sys_tcp_send(request, r - request);
@ -308,7 +355,16 @@ static void parse_html(const char *html) {
if (str_istarts_with(tag_name, "center")) { flush_line(is_centered); is_centered = true; } if (str_istarts_with(tag_name, "center")) { flush_line(is_centered); is_centered = true; }
else if (tag_name[0] == 'h' && tag_name[1] >= '1' && tag_name[1] <= '6') { flush_line(is_centered); cur_line_y += 10; is_bold = true; } else if (tag_name[0] == 'h' && tag_name[1] >= '1' && tag_name[1] <= '6') { flush_line(is_centered); cur_line_y += 10; is_bold = true; }
else if (str_istarts_with(tag_name, "br")) flush_line(is_centered); else if (str_istarts_with(tag_name, "br")) flush_line(is_centered);
else if (str_istarts_with(tag_name, "h") || str_istarts_with(tag_name, "p") || str_istarts_with(tag_name, "hr") || str_istarts_with(tag_name, "li") || str_istarts_with(tag_name, "ol") || str_istarts_with(tag_name, "form") || str_istarts_with(tag_name, "div")) flush_line(is_centered); else if (str_istarts_with(tag_name, "h") || str_istarts_with(tag_name, "p") || str_istarts_with(tag_name, "hr") || str_istarts_with(tag_name, "li") || str_istarts_with(tag_name, "ol") || str_istarts_with(tag_name, "div")) flush_line(is_centered);
else if (str_istarts_with(tag_name, "form")) {
flush_line(is_centered);
char *action = str_istrstr(attr_buf, "action=\"");
if (action) {
action += 8; int l = 0;
while(action[l] && action[l] != '\"' && l < 255) { current_form_action[l] = action[l]; l++; }
current_form_action[l] = 0;
} else current_form_action[0] = 0;
}
else if (str_istarts_with(tag_name, "head") || str_istarts_with(tag_name, "script") || str_istarts_with(tag_name, "style") || str_istarts_with(tag_name, "title") || str_istarts_with(tag_name, "noscript") || str_istarts_with(tag_name, "meta") || str_istarts_with(tag_name, "link") || str_istarts_with(tag_name, "!doctype")) skip_content = true; else if (str_istarts_with(tag_name, "head") || str_istarts_with(tag_name, "script") || str_istarts_with(tag_name, "style") || str_istarts_with(tag_name, "title") || str_istarts_with(tag_name, "noscript") || str_istarts_with(tag_name, "meta") || str_istarts_with(tag_name, "link") || str_istarts_with(tag_name, "!doctype")) skip_content = true;
else if (str_istarts_with(tag_name, "body")) skip_content = false; else if (str_istarts_with(tag_name, "body")) skip_content = false;
else if (str_istarts_with(tag_name, "a")) { else if (str_istarts_with(tag_name, "a")) {
@ -341,6 +397,12 @@ static void parse_html(const char *html) {
char *val = str_istrstr(attr_buf, "value=\""); char *val = str_istrstr(attr_buf, "value=\"");
char *ph = str_istrstr(attr_buf, "placeholder=\""); char *ph = str_istrstr(attr_buf, "placeholder=\"");
char *type = str_istrstr(attr_buf, "type=\""); char *type = str_istrstr(attr_buf, "type=\"");
char *name = str_istrstr(attr_buf, "name=\"");
if (name) {
name += 6; int l = 0;
while(name[l] && name[l] != '\"' && l < 63) { current_input_name[l] = name[l]; l++; }
current_input_name[l] = 0;
}
if (type && str_istarts_with(type+6, "submit")) el->tag = TAG_BUTTON; if (type && str_istarts_with(type+6, "submit")) el->tag = TAG_BUTTON;
if (val) { if (val) {
@ -465,7 +527,7 @@ static void net_init_if_needed(void) {
} }
int main(int argc, char **argv) { int main(int argc, char **argv) {
win_browser = ui_window_create("Web Browser", 50, 50, WIN_W, WIN_H); win_browser = ui_window_create("Boredweb", 50, 50, WIN_W, WIN_H);
net_init_if_needed(); net_init_if_needed();
if (argc > 1) { int k=0; while(argv[1][k]) { url_input_buffer[k] = argv[1][k]; k++; } url_input_buffer[k] = 0; url_cursor = k; } if (argc > 1) { int k=0; while(argv[1][k]) { url_input_buffer[k] = argv[1][k]; k++; } url_input_buffer[k] = 0; url_cursor = k; }
navigate(url_input_buffer); navigate(url_input_buffer);
@ -493,19 +555,46 @@ int main(int argc, char **argv) {
focused_element = i; found = true; browser_paint(); ui_mark_dirty(win_browser, 0, 0, WIN_W, WIN_H); break; focused_element = i; found = true; browser_paint(); ui_mark_dirty(win_browser, 0, 0, WIN_W, WIN_H); break;
} }
if (el->tag == TAG_BUTTON) { if (el->tag == TAG_BUTTON) {
// Find the first input in the page and use its value for search?
// For simplicity, find the first focused-style input or just search frogfind
int search_idx = -1; int search_idx = -1;
for (int k=0; k<element_count; k++) if (elements[k].tag == TAG_INPUT) { search_idx = k; break; } for (int k=0; k<element_count; k++) if (elements[k].tag == TAG_INPUT) { search_idx = k; break; }
if (search_idx >= 0) { if (search_idx >= 0) {
char search_url[1024] = "http://frogfind.com/?q="; char search_url[1024];
int k = 23; char *u = search_url;
for (int m=0; elements[search_idx].attr_value[m] && k < 1020; m++) { const char *s;
char sc = elements[search_idx].attr_value[m]; if (current_form_action[0] == '/') {
if (sc == ' ') search_url[k++] = '+'; s = "http://"; while(*s) *u++ = *s++;
else search_url[k++] = sc; s = current_host; while(*s) *u++ = *s++;
if (current_port != 80) {
*u++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
const char* ps = pbuf; while(*ps) *u++ = *ps++;
}
s = current_form_action; while(*s) *u++ = *s++;
} else if (str_istarts_with(current_form_action, "http")) {
s = current_form_action; while(*s) *u++ = *s++;
} else {
s = "http://"; while(*s) *u++ = *s++;
s = current_host; while(*s) *u++ = *s++;
if (current_port != 80) {
*u++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
const char* ps = pbuf; while(*ps) *u++ = *ps++;
}
if (current_host[0] && current_host[0] != '/') *u++ = '/';
if (current_form_action[0]) { s = current_form_action; while(*s) *u++ = *s++; }
} }
search_url[k] = 0;
s = (strstr(search_url, "?") ? "&" : "?");
while(*s) *u++ = *s++;
s = current_input_name; while(*s) *u++ = *s++;
*u++ = '=';
for (int m=0; elements[search_idx].attr_value[m] && (u - search_url) < 1020; m++) {
char sc = elements[search_idx].attr_value[m];
if (sc == ' ') *u++ = '+';
else *u++ = sc;
}
*u = 0;
int j=0; while(search_url[j]) { url_input_buffer[j] = search_url[j]; j++; } url_input_buffer[j] = 0; url_cursor = j; int j=0; while(search_url[j]) { url_input_buffer[j] = search_url[j]; j++; } url_input_buffer[j] = 0; url_cursor = j;
navigate(url_input_buffer); scroll_y = 0; focused_element = -1; navigate(url_input_buffer); scroll_y = 0; focused_element = -1;
browser_paint(); ui_mark_dirty(win_browser, 0, 0, WIN_W, WIN_H); browser_paint(); ui_mark_dirty(win_browser, 0, 0, WIN_W, WIN_H);
@ -517,12 +606,23 @@ int main(int argc, char **argv) {
if (el->link_url[0] == '/') { if (el->link_url[0] == '/') {
char *u = new_url; const char *s = "http://"; while(*s) *u++ = *s++; char *u = new_url; const char *s = "http://"; while(*s) *u++ = *s++;
s = current_host; while(*s) *u++ = *s++; s = current_host; while(*s) *u++ = *s++;
if (current_port != 80) {
*u++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
const char* ps = pbuf; while(*ps) *u++ = *ps++;
}
s = el->link_url; while(*s) *u++ = *s++; *u = 0; s = el->link_url; while(*s) *u++ = *s++; *u = 0;
} else if (str_istarts_with(el->link_url, "http")) { } else if (str_istarts_with(el->link_url, "http")) {
int k=0; while(el->link_url[k]) { new_url[k] = el->link_url[k]; k++; } new_url[k] = 0; int k=0; while(el->link_url[k]) { new_url[k] = el->link_url[k]; k++; } new_url[k] = 0;
} else { } else {
char *u = new_url; const char *s = "http://"; while(*s) *u++ = *s++; char *u = new_url; const char *s = "http://"; while(*s) *u++ = *s++;
s = current_host; while(*s) *u++ = *s++; if (current_host[0] && current_host[0] != '/') *u++ = '/'; s = current_host; while(*s) *u++ = *s++;
if (current_port != 80) {
*u++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
const char* ps = pbuf; while(*ps) *u++ = *ps++;
}
if (current_host[0] && current_host[0] != '/') *u++ = '/';
s = el->link_url; while(*s) *u++ = *s++; *u = 0; s = el->link_url; while(*s) *u++ = *s++; *u = 0;
} }
int j=0; while(new_url[j]) { url_input_buffer[j] = new_url[j]; j++; } url_input_buffer[j] = 0; url_cursor = j; int j=0; while(new_url[j]) { url_input_buffer[j] = new_url[j]; j++; } url_input_buffer[j] = 0; url_cursor = j;
@ -543,20 +643,45 @@ int main(int argc, char **argv) {
RenderElement *el = &elements[focused_element]; RenderElement *el = &elements[focused_element];
int len = 0; while(el->attr_value[len]) len++; int len = 0; while(el->attr_value[len]) len++;
if (c == 13 || c == 10) { if (c == 13 || c == 10) {
if (strstr(url_input_buffer, "frogfind.com")) { char search_url[1024];
char search_url[1024] = "http://frogfind.com/?q="; char *u = search_url;
int k = 23; const char *s;
for (int m=0; el->attr_value[m] && k < 1020; m++) { if (current_form_action[0] == '/') {
char sc = el->attr_value[m]; s = "http://"; while(*s) *u++ = *s++;
if (sc == ' ') search_url[k++] = '+'; s = current_host; while(*s) *u++ = *s++;
else search_url[k++] = sc; if (current_port != 80) {
*u++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
const char* ps = pbuf; while(*ps) *u++ = *ps++;
} }
search_url[k] = 0; s = current_form_action; while(*s) *u++ = *s++;
int j=0; while(search_url[j]) { url_input_buffer[j] = search_url[j]; j++; } url_input_buffer[j] = 0; url_cursor = j; } else if (str_istarts_with(current_form_action, "http")) {
navigate(url_input_buffer); scroll_y = 0; focused_element = -1; s = current_form_action; while(*s) *u++ = *s++;
} else { } else {
focused_element = -1; s = "http://"; while(*s) *u++ = *s++;
s = current_host; while(*s) *u++ = *s++;
if (current_port != 80) {
*u++ = ':';
char pbuf[10]; itoa(current_port, pbuf);
const char* ps = pbuf; while(*ps) *u++ = *ps++;
}
if (current_host[0] && current_host[0] != '/') *u++ = '/';
if (current_form_action[0]) { s = current_form_action; while(*s) *u++ = *s++; }
} }
s = (strstr(search_url, "?") ? "&" : "?");
while(*s) *u++ = *s++;
s = current_input_name; while(*s) *u++ = *s++;
*u++ = '=';
for (int m=0; el->attr_value[m] && (u - search_url) < 1020; m++) {
char sc = el->attr_value[m];
if (sc == ' ') *u++ = '+';
else *u++ = sc;
}
*u = 0;
int j=0; while(search_url[j]) { url_input_buffer[j] = search_url[j]; j++; } url_input_buffer[j] = 0; url_cursor = j;
navigate(url_input_buffer); scroll_y = 0; focused_element = -1;
} }
else if (c == 127 || c == 8) { if (len > 0) el->attr_value[--len] = 0; } else if (c == 127 || c == 8) { if (len > 0) el->attr_value[--len] = 0; }
else if (c >= 32 && c <= 126 && len < 255) { el->attr_value[len++] = c; el->attr_value[len] = 0; } else if (c >= 32 && c <= 126 && len < 255) { el->attr_value[len++] = c; el->attr_value[len] = 0; }

55
src/kernel/userland/curl.c
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@ -1,9 +1,32 @@
#include <stdlib.h> #include <stdlib.h>
#include <syscall.h> #include <syscall.h>
#include <stdint.h> // Added for uint8_t
static int parse_ip(const char* str, net_ipv4_address_t* ip) {
int val = 0;
int part = 0;
const char* p = str;
while (*p) {
if (*p >= '0' && *p <= '9') {
val = val * 10 + (*p - '0');
if (val > 255) return -1;
} else if (*p == '.') {
if (part > 3) return -1;
ip->bytes[part++] = (uint8_t)val;
val = 0;
} else {
return -1;
}
p++;
}
if (part != 3) return -1;
ip->bytes[3] = (uint8_t)val;
return 0;
}
int main(int argc, char** argv) { int main(int argc, char** argv) {
if (argc < 2) { if (argc < 2) {
printf("Usage: curl http://a.b.c.d/path\n"); printf("Usage: curl http://a.b.c.d[:port]/path\n");
return 1; return 1;
} }
@ -26,22 +49,34 @@ int main(int argc, char** argv) {
} }
char hostname[256]; char hostname[256];
int port = 80;
int i = 0; int i = 0;
while (host_start[i] && host_start[i] != '/' && i < 255) { while (host_start[i] && host_start[i] != '/' && host_start[i] != ':' && i < 255) {
hostname[i] = host_start[i]; hostname[i] = host_start[i];
i++; i++;
} }
hostname[i] = 0; hostname[i] = 0;
net_ipv4_address_t ip; int host_len = i;
if (sys_dns_lookup(hostname, &ip) != 0) { if (host_start[i] == ':') {
printf("Failed to resolve %s\n", hostname); i++;
return 1; char port_str[10];
int j = 0;
while (host_start[i] && host_start[i] != '/' && j < 9) {
port_str[j++] = host_start[i++];
}
port_str[j] = 0;
port = atoi(port_str);
}
net_ipv4_address_t ip;
if (parse_ip(hostname, &ip) != 0) {
if (sys_dns_lookup(hostname, &ip) != 0) {
printf("Failed to resolve %s\n", hostname);
return 1;
}
} }
// Default to port 80 for HTTP
int port = 80;
printf("Connecting to %s (", hostname); printf("Connecting to %s (", hostname);
printf("%d.%d.%d.%d", ip.bytes[0], ip.bytes[1], ip.bytes[2], ip.bytes[3]); printf("%d.%d.%d.%d", ip.bytes[0], ip.bytes[1], ip.bytes[2], ip.bytes[3]);
printf("):%d...\n", port); printf("):%d...\n", port);