mirror of
https://github.com/clearml/dropbear
synced 2025-01-31 10:57:01 +00:00
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
#include "includes.h"
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#ifdef DROPBEAR_FUZZ
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#include "includes.h"
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#include "fuzz.h"
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#include "dbutil.h"
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#include "runopts.h"
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struct dropbear_fuzz_options fuzz;
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static void load_fixed_hostkeys(void);
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static void common_setup_fuzzer(void) {
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fuzz.fuzzing = 1;
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crypto_init();
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}
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void svr_setup_fuzzer(void) {
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struct passwd *pw;
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common_setup_fuzzer();
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char *argv[] = {
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"-E",
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};
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int argc = sizeof(argv) / sizeof(*argv);
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svr_getopts(argc, argv);
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/* user lookups might be slow, cache it */
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pw = getpwuid(getuid());
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dropbear_assert(pw);
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fuzz.pw_name = m_strdup(pw->pw_name);
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fuzz.pw_dir = m_strdup(pw->pw_dir);
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fuzz.pw_shell = m_strdup(pw->pw_shell);
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fuzz.pw_passwd = m_strdup("!!zzznope");
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load_fixed_hostkeys();
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}
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static void load_fixed_hostkeys(void) {
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#include "fuzz-hostkeys.c"
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buffer *b = buf_new(3000);
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enum signkey_type type;
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TRACE(("load fixed hostkeys"))
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svr_opts.hostkey = new_sign_key();
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buf_setlen(b, 0);
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buf_putbytes(b, keyr, keyr_len);
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buf_setpos(b, 0);
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type = DROPBEAR_SIGNKEY_RSA;
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if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
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dropbear_exit("failed fixed rsa hostkey");
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}
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buf_setlen(b, 0);
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buf_putbytes(b, keyd, keyd_len);
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buf_setpos(b, 0);
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type = DROPBEAR_SIGNKEY_DSS;
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if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
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dropbear_exit("failed fixed dss hostkey");
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}
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buf_setlen(b, 0);
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buf_putbytes(b, keye, keye_len);
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buf_setpos(b, 0);
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type = DROPBEAR_SIGNKEY_ECDSA_NISTP256;
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if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
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dropbear_exit("failed fixed ecdsa hostkey");
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}
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buf_free(b);
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}
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#endif /* DROPBEAR_FUZZ */
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