Files
vasilito b9874d0941 feat: USB storage read/write proof + full Red Bear OS tree sync
Add redbear-usb-storage-check in-guest binary that validates USB mass
storage read and write I/O: discovers /scheme/disk/ devices, writes a
test pattern to sector 2048, reads it back, verifies match, restores
original content. Updates test-usb-storage-qemu.sh with write-proof
verification step.

Includes all accumulated Red Bear OS work: kernel patches, relibc
patches, driver infrastructure, DRM/GPU, KDE recipes, firmware,
validation tooling, build system hardening, and documentation.
2026-05-03 23:03:24 +01:00

78 lines
2.3 KiB
C

#include <arpa/inet.h>
#include "test_helpers.h"
void print_sockaddr(char *ctx, struct sockaddr *addr) {
char ip_string[INET6_ADDRSTRLEN];
void *raw_ip_addr;
char *fam;
in_port_t port;
if (addr->sa_family == AF_INET) {
struct sockaddr_in *ipv4 = (struct sockaddr_in *)addr;
raw_ip_addr = &(ipv4->sin_addr);
port = ntohs(ipv4->sin_port);
fam = "AF_INET";
} else if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)addr;
raw_ip_addr = &(ipv6->sin6_addr);
port = ntohs(ipv6->sin6_port);
fam = "AF_INET6";
} else {
printf("Unknown address family: %d\n", addr->sa_family);
exit(1);
}
if (inet_ntop(addr->sa_family, raw_ip_addr, ip_string, sizeof(ip_string)) == NULL) {
perror("inet_ntop failed");
exit(1);
}
printf("%s [%s]: %s:%u\n", ctx, fam, ip_string, port);
}
int main(void)
{
int status;
int listen_fd = socket(AF_INET, SOCK_STREAM, 0);
ERROR_IF(socket, listen_fd, == -1);
struct sockaddr_in addr =
{
.sin_family = AF_INET,
.sin_addr = { .s_addr = htonl(0x7F000001 /* 127.0.0.1 */) },
.sin_port = htons(0),
};
struct sockaddr* saddr = (struct sockaddr*)&addr;
socklen_t addr_len = sizeof(struct sockaddr_in);
status = bind(listen_fd, saddr, addr_len);
ERROR_IF(bind, status, == -1);
status = listen(listen_fd, 1);
ERROR_IF(bind, status, == -1);
status = getsockname(listen_fd, saddr, &addr_len);
ERROR_IF(getsockname, status, == -1);
print_sockaddr("listen sockname", saddr);
int client_fd = socket(AF_INET, SOCK_STREAM, 0);
ERROR_IF(socket, client_fd, == -1);
status = connect(client_fd, saddr, addr_len);
ERROR_IF(connect, status, == -1);
struct sockaddr_in peer;
struct sockaddr* speer = (struct sockaddr*)&peer;
socklen_t peer_len = sizeof(struct sockaddr_in);
status = getpeername(client_fd, speer, &peer_len);
ERROR_IF(getpeername, status, == -1);
print_sockaddr("client peername", speer);
status = memcmp(saddr, speer, sizeof(struct sockaddr_in));
UNEXP_IF(memcmp, status, != 0);
status = getsockname(client_fd, saddr, &addr_len);
ERROR_IF(getsockname, status, == -1);
print_sockaddr("client sockname", saddr);
}