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Merge pull request #7608 from daverodgman/pr6511-2.28

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Fix: no newline when debug msg over DEBUG_BUF_SIZE - backport 2.28
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Dave Rodgman 2023-05-17 17:59:54 +01:00 committed by GitHub
commit 247e6f088d
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1 changed files with 11 additions and 3 deletions
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12
library/debug.c
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@ -30,6 +30,7 @@
#include <stdio.h>
#include <string.h>
/* DEBUG_BUF_SIZE must be at least 2 */
#define DEBUG_BUF_SIZE 512
static int debug_threshold = 0;
@ -69,6 +70,8 @@ void mbedtls_debug_print_msg(const mbedtls_ssl_context *ssl, int level,
char str[DEBUG_BUF_SIZE];
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
MBEDTLS_STATIC_ASSERT(DEBUG_BUF_SIZE >= 2, "DEBUG_BUF_SIZE too small");
if (NULL == ssl ||
NULL == ssl->conf ||
NULL == ssl->conf->f_dbg ||
@ -80,10 +83,15 @@ void mbedtls_debug_print_msg(const mbedtls_ssl_context *ssl, int level,
ret = mbedtls_vsnprintf(str, DEBUG_BUF_SIZE, format, argp);
va_end(argp);
if (ret >= 0 && ret < DEBUG_BUF_SIZE - 1) {
if (ret < 0) {
ret = 0;
} else {
if (ret >= DEBUG_BUF_SIZE - 1) {
ret = DEBUG_BUF_SIZE - 2;
}
}
str[ret] = '\n';
str[ret + 1] = '\0';
}
debug_send_line(ssl, level, file, line, str);
}