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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:16:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:16:13 +0000 |
commit | e90fcc54809db2591dc083f43ef54c6ec8c60847 (patch) | |
tree | f20bc206c3c2d5d59d37c46c5cf5d53a20642556 /src/auths/get_no64_data.c | |
parent | Initial commit. (diff) | |
download | exim4-e90fcc54809db2591dc083f43ef54c6ec8c60847.tar.xz exim4-e90fcc54809db2591dc083f43ef54c6ec8c60847.zip |
Adding upstream version 4.96.upstream/4.96upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/auths/get_no64_data.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/auths/get_no64_data.c b/src/auths/get_no64_data.c new file mode 100644 index 0000000..a019756 --- /dev/null +++ b/src/auths/get_no64_data.c @@ -0,0 +1,47 @@ +/************************************************* +* Exim - an Internet mail transport agent * +*************************************************/ + +/* Copyright (c) University of Cambridge 1995 - 2018 */ +/* See the file NOTICE for conditions of use and distribution. */ + +#include "../exim.h" + + +/************************************************* +* Issue a non-b64 challenge and get a response * +*************************************************/ + +/* This function is used by authentication drivers to output a challenge +to the SMTP client and read the response line. This version does not use base +64 encoding for the text on the 334 line. It is used by the SPA, dovecot +and gsasl authenticators. + +Arguments: + aptr set to point to the response (which is in big_buffer) + challenge the challenge text (unencoded) + +Returns: OK on success + BAD64 if response too large for buffer + CANCELLED if response is "*" +*/ + +int +auth_get_no64_data(uschar **aptr, uschar *challenge) +{ +int c; +int p = 0; +smtp_printf("334 %s\r\n", FALSE, challenge); +while ((c = receive_getc(GETC_BUFFER_UNLIMITED)) != '\n' && c != EOF) + { + if (p >= big_buffer_size - 1) return BAD64; + big_buffer[p++] = c; + } +if (p > 0 && big_buffer[p-1] == '\r') p--; +big_buffer[p] = 0; +if (Ustrcmp(big_buffer, "*") == 0) return CANCELLED; +*aptr = big_buffer; +return OK; +} + +/* End of get_no64_data.c */ |