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buffer: Add a secure buffer mechanism to avoid memory spills

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Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2014-08-24 14:25:02 +02:00
committed by Andreas Schneider
parent 2cb2587b55
commit 86ae6b2251
3 changed files with 43 additions and 9 deletions
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2
include/libssh/buffer.h
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@@ -36,6 +36,7 @@ struct ssh_buffer_struct {
uint32_t used;
uint32_t allocated;
uint32_t pos;
int secure;
};
#define SSH_BUFFER_PACK_END ((uint32_t) 0x4f65feb3)
@@ -44,6 +45,7 @@ LIBSSH_API void ssh_buffer_free(ssh_buffer buffer);
LIBSSH_API void *ssh_buffer_get_begin(ssh_buffer buffer);
LIBSSH_API uint32_t ssh_buffer_get_len(ssh_buffer buffer);
LIBSSH_API ssh_buffer ssh_buffer_new(void);
void ssh_buffer_set_secure(ssh_buffer buffer);
int buffer_add_ssh_string(ssh_buffer buffer, ssh_string string);
int buffer_add_u8(ssh_buffer buffer, uint8_t data);
int buffer_add_u16(ssh_buffer buffer, uint16_t data);