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mbedtls_ssl_set_hostname tests: baseline

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Test the current behavior.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2025-02-12 21:50:53 +01:00
parent 95fe2a6df4
commit e5054e495a
2 changed files with 192 additions and 4 deletions
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39
programs/ssl/ssl_client2.c
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@ -68,6 +68,7 @@ int main(void)
#define DFL_MAX_VERSION -1
#define DFL_SHA1 -1
#define DFL_AUTH_MODE -1
#define DFL_SET_HOSTNAME 1
#define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE
#define DFL_TRUNC_HMAC -1
#define DFL_RECSPLIT -1
@ -403,6 +404,9 @@ int main(void)
#define USAGE2 \
" auth_mode=%%s default: (library default: none)\n" \
" options: none, optional, required\n" \
" set_hostname=%%s call mbedtls_ssl_set_hostname()?" \
" options: no, server_name, NULL\n" \
" default: server_name (but ignored if certs disabled)\n" \
USAGE_IO \
USAGE_KEY_OPAQUE \
USAGE_CA_CALLBACK \
@ -505,6 +509,8 @@ struct options {
int max_version; /* maximum protocol version accepted */
int allow_sha1; /* flag for SHA-1 support */
int auth_mode; /* verify mode for connection */
int set_hostname; /* call mbedtls_ssl_set_hostname()? */
/* 0=no, 1=yes, -1=NULL */
unsigned char mfl_code; /* code for maximum fragment length */
int trunc_hmac; /* negotiate truncated hmac or not */
int recsplit; /* enable record splitting? */
@ -953,6 +959,7 @@ int main(int argc, char *argv[])
opt.max_version = DFL_MAX_VERSION;
opt.allow_sha1 = DFL_SHA1;
opt.auth_mode = DFL_AUTH_MODE;
opt.set_hostname = DFL_SET_HOSTNAME;
opt.mfl_code = DFL_MFL_CODE;
opt.trunc_hmac = DFL_TRUNC_HMAC;
opt.recsplit = DFL_RECSPLIT;
@ -1344,6 +1351,16 @@ usage:
} else {
goto usage;
}
} else if (strcmp(p, "set_hostname") == 0) {
if (strcmp(q, "no") == 0) {
opt.set_hostname = 0;
} else if (strcmp(q, "server_name") == 0) {
opt.set_hostname = 1;
} else if (strcmp(q, "NULL") == 0) {
opt.set_hostname = -1;
} else {
goto usage;
}
} else if (strcmp(p, "max_frag_len") == 0) {
if (strcmp(q, "512") == 0) {
opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
@ -2052,10 +2069,24 @@ usage:
#endif /* MBEDTLS_SSL_DTLS_SRTP */
#if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n",
ret);
goto exit;
switch (opt.set_hostname) {
case -1:
if ((ret = mbedtls_ssl_set_hostname(&ssl, NULL)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n",
ret);
goto exit;
}
break;
case 0:
/* Skip the call */
break;
default:
if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n",
ret);
goto exit;
}
break;
}
#endif