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Use modern API in userauth_keyboard_interactive() (#663)

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Files: userauth_kbd_packet.c, userauth_kbd_packet.h, test_keyboard_interactive_auth_info_request.c, userauth.c

Notes:
This refactors `SSH_MSG_USERAUTH_INFO_REQUEST` processing in `userauth_keyboard_interactive()` in order to improve robustness, correctness and readability or the code.

* Refactor userauth_keyboard_interactive to use new api for packet parsing
* add unit test for userauth_keyboard_interactive_parse_response()
* add _libssh2_get_boolean() and _libssh2_get_byte() utility functions

Credit:
xalopp
This commit is contained in:
xalopp
2022-02-20 00:46:40 +01:00
committed by GitHub
parent ead7000d28
commit 83853f8aea
11 changed files with 616 additions and 212 deletions
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8
src/libssh2_priv.h
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@@ -760,10 +760,10 @@ struct _LIBSSH2_SESSION
size_t userauth_kybd_data_len;
unsigned char *userauth_kybd_packet;
size_t userauth_kybd_packet_len;
unsigned int userauth_kybd_auth_name_len;
char *userauth_kybd_auth_name;
unsigned userauth_kybd_auth_instruction_len;
char *userauth_kybd_auth_instruction;
size_t userauth_kybd_auth_name_len;
unsigned char *userauth_kybd_auth_name;
size_t userauth_kybd_auth_instruction_len;
unsigned char *userauth_kybd_auth_instruction;
unsigned int userauth_kybd_num_prompts;
int userauth_kybd_auth_failure;
LIBSSH2_USERAUTH_KBDINT_PROMPT *userauth_kybd_prompts;