Add linux_intro presentation

assets/bof/logic/.gitignore

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+logic

assets/bof/logic/Makefile

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+# use bash so process substutution is available
+CC = gcc
+CFLAGS = -fno-stack-protector -g
+SHELL = bash
+SRC = logic.c
+TARGET = $(SRC:%.c=%)
+
+.PHONY: build
+build: $(TARGET)
+
+%: %.c
+	$(CC) ${CFLAGS} $< -o $@
+
+.PHONY: clean
+clean:
+	rm -f logic

assets/bof/logic/logic.c

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+#include<stdio.h>
+#include<string.h>
+
+void foo(char *input) {
+  int is_logged_in = 0;
+  char buf[64];
+  strcpy(buf, input);
+  if (is_logged_in) {
+    puts("logged in!!1!");
+  } else {
+    puts("not logged in");
+  }
+}
+
+int main(int argc, char **argv) {
+  if (argc != 2) {
+    return 1;
+  }
+  foo(argv[1]);
+  return 0;
+}

assets/bof/logic/solution.md

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+# Beispiel 1
+
+ * Debugger `gdb`
+ * `list` für Code
+ * `break <n>` für Breakpoint
+ * `run $(python -c 'print("A"*77)')`
+ * `show is_logged_in`
+ * `continue`