Net-Dropbear

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dropbear/cli-kex.c  view on Meta::CPAN

static FILE* open_known_hosts_file(int * readonly)
{
	FILE * hostsfile = NULL;
	char * filename = NULL;
	char * homedir = NULL;
	
	homedir = getenv("HOME");

	if (!homedir) {
		struct passwd * pw = NULL;
		pw = getpwuid(getuid());
		if (pw) {
			homedir = pw->pw_dir;
		}
	}

	if (homedir) {
		unsigned int len;
		len = strlen(homedir);
		filename = m_malloc(len + 18); /* "/.ssh/known_hosts" and null-terminator*/

dropbear/cli-runopts.c  view on Meta::CPAN

	dropbear_exit("Bad netcat endpoint '%s'", origstr);
}
#endif

static void fill_own_user() {
	uid_t uid;
	struct passwd *pw = NULL; 

	uid = getuid();

	pw = getpwuid(uid);
	if (pw && pw->pw_name != NULL) {
		cli_opts.own_user = m_strdup(pw->pw_name);
	} else {
		dropbear_log(LOG_INFO, "Warning: failed to identify current user. Trying anyway.");
		cli_opts.own_user = m_strdup("unknown");
	}

}

#if DROPBEAR_CLI_ANYTCPFWD

dropbear/dbutil.c  view on Meta::CPAN

}

/* Returns malloced path. inpath beginning with '~/' expanded,
   otherwise returned as-is */
char * expand_homedir_path(const char *inpath) {
	struct passwd *pw = NULL;
	if (strncmp(inpath, "~/", 2) == 0) {
		char *homedir = getenv("HOME");

		if (!homedir) {
			pw = getpwuid(getuid());
			if (pw) {
				homedir = pw->pw_dir;
			}
		}

		if (homedir) {
			int len = strlen(inpath)-2 + strlen(homedir) + 2;
			char *buf = m_malloc(len);
			snprintf(buf, len, "%s/%s", homedir, inpath+2);
			return buf;

dropbear/dropbearkey.c  view on Meta::CPAN

	if (err != CRYPT_OK) {
		dropbear_exit("base64 failed");
	}

	typestring = signkey_name_from_type(keytype, NULL);

	fp = sign_key_fingerprint(buf_getptr(buf, len), len);

	/* a user@host comment is informative */
	username = "";
	pw = getpwuid(getuid());
	if (pw) {
		username = pw->pw_name;
	}

	gethostname(hostname, sizeof(hostname));
	hostname[sizeof(hostname)-1] = '\0';

	printf("Public key portion is:\n%s %s %s@%s\nFingerprint: %s\n",
			typestring, base64key, username, hostname, fp);

dropbear/fuzz.h  view on Meta::CPAN

 glibc stdio.h has the comment 
 "C89/C99 say they're macros.  Make them happy." */
/* OS X has it as a macro */
#ifdef stderr
#undef stderr
#endif
#define stderr (fuzz.fake_stderr)

#endif /* FUZZ_NO_REPLACE_STDERR */

struct passwd* fuzz_getpwuid(uid_t uid);
struct passwd* fuzz_getpwnam(const char *login);
/* guard for when fuzz.h is included by fuzz-common.c */
#ifndef FUZZ_NO_REPLACE_GETPW
#define getpwnam(x) fuzz_getpwnam(x)
#define getpwuid(x) fuzz_getpwuid(x)
#endif // FUZZ_NO_REPLACE_GETPW

#endif /* DROPBEAR_FUZZ */

#endif /* DROPBEAR_FUZZ_H */

dropbear/fuzz/fuzz-common.c  view on Meta::CPAN

    }
    if (strcmp(login, pwd_other.pw_name) == 0) {
        return &pwd_other;
    }
    if (strcmp(login, pwd_root.pw_name) == 0) {
        return &pwd_root;
    }
    return NULL;
}

struct passwd* fuzz_getpwuid(uid_t uid) {
    if (!fuzz.fuzzing) {
        return getpwuid(uid);
    }
    if (uid == pwd_other.pw_uid) {
        return &pwd_other;
    }
    if (uid == pwd_root.pw_uid) {
        return &pwd_root;
    }
    return NULL;
}