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103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
#include <string.h>
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#define SSH_CIPHER_NONE 0
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#define SSH_CIPHER_IDEA 1
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#define SSH_CIPHER_DES 2
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#define SSH_CIPHER_3DES 3
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#define SSH_CIPHER_RC4 5
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#define SSH_CIPHER_BLOWFISH 6
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#define SSH_AUTH_RHOSTS 1
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#define SSH_AUTH_RSA 2
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#define SSH_AUTH_PASSWORD 3
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#define SSH_AUTH_RHOSTS_RSA 4
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#define SSH_PROTOFLAG_SCREEN_NUMBER 0x00000001
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#define SSH_PROTOFLAG_HOST_IN_FWD_OPEN 0x00000002
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#define SSH_MSG_NONE 0
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#define SSH_MSG_DISCONNECT 1
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#define SSH_SMSG_PUBLIC_KEY 2
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#define SSH_CMSG_SESSION_KEY 3
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#define SSH_CMSG_USER 4
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#define SSH_CMSG_AUTH_RHOSTS 5
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#define SSH_CMSG_AUTH_RSA 6
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#define SSH_SMSG_RSA_CHALLENGE 7
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#define SSH_CMSG_AUTH_RSA_RESPONSE 8
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#define SSH_CMSG_AUTH_PASSWORD 9
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#define SSH_CMSG_REQUEST_PTY 10
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#define SSH_CMSG_WINDOW_SIZE 11
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#define SSH_CMSG_EXEC_SHELL 12
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#define SSH_CMSG_EXEC_CMD 13
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#define SSH_SMSG_SUCCESS 14
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#define SSH_SMSG_FAILURE 15
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#define SSH_CMSG_STDIN_DATA 16
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#define SSH_SMSG_STDOUT_DATA 17
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#define SSH_SMSG_STDERR_DATA 18
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#define SSH_CMSG_EOF 19
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#define SSH_SMSG_EXITSTATUS 20
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#define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 21
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#define SSH_MSG_CHANNEL_OPEN_FAILURE 22
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#define SSH_MSG_CHANNEL_DATA 23
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#define SSH_MSG_CHANNEL_CLOSE 24
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#define SSH_MSG_CHANNEL_CLOSE_CONFIRMATION 25
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/* 26 was unix-domain X11 forwarding */
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#define SSH_SMSG_X11_OPEN 27
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#define SSH_CMSG_PORT_FORWARD_REQUEST 28
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#define SSH_MSG_PORT_OPEN 29
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#define SSH_CMSG_AGENT_REQUEST_FORWARDING 30
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#define SSH_SMSG_AGENT_OPEN 31
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#define SSH_MSG_IGNORE 32
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#define SSH_CMSG_EXIT_CONFIRMATION 33
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#define SSH_CMSG_X11_REQUEST_FARWARDING 34
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#define SSH_CMSG_AUTH_RHOSTS_RSA 35
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#define SSH_MSG_DEBUG 36
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#define SSH_CMSG_REQUEST_COMPRESSION 37
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#define SSH_CMSG_MAX_PACKET_SIZE 38
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#define SSH_CMSG_AUTH_TIS 39
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#define SSH_SMSG_AUTH_TIS_CHALLENGE 40
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#define SSH_CMSG_AUTH_TIS_RESPONSE 41
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#define SSH_CMSG_AUTH_KERBEROS 42
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#define SSH_SMSG_AUTH_KERBEROS_RESPONSE 43
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#define SSH_CMSG_HAVE_KERBEROS_TGT 44
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struct RSAKey {
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int bits;
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int bytes;
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void *modulus;
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void *exponent;
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};
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int makekey(unsigned char *data, struct RSAKey *result,
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unsigned char **keystr);
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void rsaencrypt(unsigned char *data, int length, struct RSAKey *key);
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int rsastr_len(struct RSAKey *key);
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void rsastr_fmt(char *str, struct RSAKey *key);
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typedef unsigned int word32;
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typedef unsigned int uint32;
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unsigned long crc32(const unsigned char *s, unsigned int len);
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struct MD5Context {
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uint32 buf[4];
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uint32 bits[2];
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unsigned char in[64];
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};
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void MD5Init(struct MD5Context *context);
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void MD5Update(struct MD5Context *context, unsigned char const *buf,
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unsigned len);
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void MD5Final(unsigned char digest[16], struct MD5Context *context);
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struct ssh_cipher {
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void (*sesskey)(unsigned char *key);
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void (*encrypt)(unsigned char *blk, int len);
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void (*decrypt)(unsigned char *blk, int len);
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};
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void SHATransform(word32 *digest, word32 *data);
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int random_byte(void);
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void random_add_noise(void *noise, int length);
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