change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/net/bpfilter/main.c
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@@ -6,11 +6,11 @@
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 #include <sys/socket.h>
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 #include <fcntl.h>
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 #include <unistd.h>
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-#include "include/uapi/linux/bpf.h"
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+#include "../../include/uapi/linux/bpf.h"
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 #include <asm/unistd.h>
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 #include "msgfmt.h"
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-int debug_fd;
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+FILE *debug_f;
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 static int handle_get_cmd(struct mbox_request *cmd)
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 {
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@@ -37,7 +37,7 @@
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 		n = read(0, &req, sizeof(req));
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 		if (n != sizeof(req)) {
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-			dprintf(debug_fd, "invalid request %d\n", n);
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+			fprintf(debug_f, "invalid request %d\n", n);
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 			return;
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 		}
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@@ -47,7 +47,7 @@
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 		n = write(1, &reply, sizeof(reply));
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 		if (n != sizeof(reply)) {
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-			dprintf(debug_fd, "reply failed %d\n", n);
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+			fprintf(debug_f, "reply failed %d\n", n);
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 			return;
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 		}
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 	}
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@@ -55,9 +55,10 @@
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 int main(void)
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 {
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-	debug_fd = open("/dev/console", 00000002);
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-	dprintf(debug_fd, "Started bpfilter\n");
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+	debug_f = fopen("/dev/kmsg", "w");
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+	setvbuf(debug_f, 0, _IOLBF, 0);
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+	fprintf(debug_f, "<5>Started bpfilter\n");
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 	loop();
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-	close(debug_fd);
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+	fclose(debug_f);
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 	return 0;
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 }