diff options
Diffstat (limited to 'sshbuf.h')
-rw-r--r-- | sshbuf.h | 23 |
1 files changed, 21 insertions, 2 deletions
@@ -1,4 +1,4 @@ | |||
1 | /* $OpenBSD: sshbuf.h,v 1.13 2019/01/21 09:54:11 djm Exp $ */ | 1 | /* $OpenBSD: sshbuf.h,v 1.14 2019/07/14 23:32:27 djm Exp $ */ |
2 | /* | 2 | /* |
3 | * Copyright (c) 2011 Damien Miller | 3 | * Copyright (c) 2011 Damien Miller |
4 | * | 4 | * |
@@ -176,6 +176,26 @@ int sshbuf_put_u32(struct sshbuf *buf, u_int32_t val); | |||
176 | int sshbuf_put_u16(struct sshbuf *buf, u_int16_t val); | 176 | int sshbuf_put_u16(struct sshbuf *buf, u_int16_t val); |
177 | int sshbuf_put_u8(struct sshbuf *buf, u_char val); | 177 | int sshbuf_put_u8(struct sshbuf *buf, u_char val); |
178 | 178 | ||
179 | /* Functions to peek at the contents of a buffer without modifying it. */ | ||
180 | int sshbuf_peek_u64(const struct sshbuf *buf, size_t offset, | ||
181 | u_int64_t *valp); | ||
182 | int sshbuf_peek_u32(const struct sshbuf *buf, size_t offset, | ||
183 | u_int32_t *valp); | ||
184 | int sshbuf_peek_u16(const struct sshbuf *buf, size_t offset, | ||
185 | u_int16_t *valp); | ||
186 | int sshbuf_peek_u8(const struct sshbuf *buf, size_t offset, | ||
187 | u_char *valp); | ||
188 | |||
189 | /* | ||
190 | * Functions to poke values into an exisiting buffer (e.g. a length header | ||
191 | * to a packet). The destination bytes must already exist in the buffer. | ||
192 | */ | ||
193 | int sshbuf_poke_u64(struct sshbuf *buf, size_t offset, u_int64_t val); | ||
194 | int sshbuf_poke_u32(struct sshbuf *buf, size_t offset, u_int32_t val); | ||
195 | int sshbuf_poke_u16(struct sshbuf *buf, size_t offset, u_int16_t val); | ||
196 | int sshbuf_poke_u8(struct sshbuf *buf, size_t offset, u_char val); | ||
197 | int sshbuf_poke(struct sshbuf *buf, size_t offset, void *v, size_t len); | ||
198 | |||
179 | /* | 199 | /* |
180 | * Functions to extract or store SSH wire encoded strings (u32 len || data) | 200 | * Functions to extract or store SSH wire encoded strings (u32 len || data) |
181 | * The "cstring" variants admit no \0 characters in the string contents. | 201 | * The "cstring" variants admit no \0 characters in the string contents. |
@@ -202,7 +222,6 @@ int sshbuf_get_string_direct(struct sshbuf *buf, const u_char **valp, | |||
202 | /* Another variant: "peeks" into the buffer without modifying it */ | 222 | /* Another variant: "peeks" into the buffer without modifying it */ |
203 | int sshbuf_peek_string_direct(const struct sshbuf *buf, const u_char **valp, | 223 | int sshbuf_peek_string_direct(const struct sshbuf *buf, const u_char **valp, |
204 | size_t *lenp); | 224 | size_t *lenp); |
205 | /* XXX peek_u8 / peek_u32 */ | ||
206 | 225 | ||
207 | /* | 226 | /* |
208 | * Functions to extract or store SSH wire encoded bignums and elliptic | 227 | * Functions to extract or store SSH wire encoded bignums and elliptic |