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Strict C99: don't use extremely large string literals

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Don't use string literals that are longer than 4095 bytes, which is
the minimum that C99 compilers are required to support. Compilers are
extremely likely to support longer literals, but `gcc -std=c99 -pedantic`
complains.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-04-14 19:41:01 +02:00
parent 31f88a29de
commit b2971ff942
2 changed files with 26 additions and 10 deletions
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18
programs/ssl/ssl_client2.c
View File

@ -370,7 +370,9 @@ int main( void )
#define USAGE_SERIALIZATION ""
#endif
#define USAGE \
/* USAGE is arbitrarily split to stay under the portable string literal
* length limit: 4095 bytes in C99. */
#define USAGE1 \
"\n usage: ssl_client2 param=<>...\n" \
"\n acceptable parameters:\n" \
" server_name=%%s default: localhost\n" \
@ -394,7 +396,8 @@ int main( void )
"\n" \
USAGE_DTLS \
USAGE_CID \
"\n" \
"\n"
#define USAGE2 \
" auth_mode=%%s default: (library default: none)\n" \
" options: none, optional, required\n" \
USAGE_IO \
@ -404,7 +407,8 @@ int main( void )
USAGE_PSK \
USAGE_ECJPAKE \
USAGE_ECRESTART \
"\n" \
"\n"
#define USAGE3 \
" allow_legacy=%%d default: (library default: no)\n" \
USAGE_RENEGO \
" exchanges=%%d default: 1\n" \
@ -427,7 +431,8 @@ int main( void )
USAGE_CURVES \
USAGE_RECSPLIT \
USAGE_DHMLEN \
"\n" \
"\n"
#define USAGE4 \
" arc4=%%d default: (library default: 0)\n" \
" allow_sha1=%%d default: 0\n" \
" min_version=%%s default: (library default: tls1)\n" \
@ -1234,7 +1239,10 @@ int main( int argc, char *argv[] )
if( ret == 0 )
ret = 1;
mbedtls_printf( USAGE );
mbedtls_printf( USAGE1 );
mbedtls_printf( USAGE2 );
mbedtls_printf( USAGE3 );
mbedtls_printf( USAGE4 );
list = mbedtls_ssl_list_ciphersuites();
while( *list )

18
programs/ssl/ssl_server2.c
View File

@ -456,7 +456,9 @@ int main( void )
#define USAGE_SERIALIZATION ""
#endif
#define USAGE \
/* USAGE is arbitrarily split to stay under the portable string literal
* length limit: 4095 bytes in C99. */
#define USAGE1 \
"\n usage: ssl_server2 param=<>...\n" \
"\n acceptable parameters:\n" \
" server_addr=%%s default: (all interfaces)\n" \
@ -477,7 +479,8 @@ int main( void )
USAGE_COOKIES \
USAGE_ANTI_REPLAY \
USAGE_BADMAC_LIMIT \
"\n" \
"\n"
#define USAGE2 \
" auth_mode=%%s default: (library default: none)\n" \
" options: none, optional, required\n" \
" cert_req_ca_list=%%d default: 1 (send ca list)\n" \
@ -489,7 +492,8 @@ int main( void )
USAGE_PSK \
USAGE_CA_CALLBACK \
USAGE_ECJPAKE \
"\n" \
"\n"
#define USAGE3 \
" allow_legacy=%%d default: (library default: no)\n" \
USAGE_RENEGO \
" exchanges=%%d default: 1\n" \
@ -506,7 +510,8 @@ int main( void )
USAGE_EMS \
USAGE_ETM \
USAGE_CURVES \
"\n" \
"\n"
#define USAGE4 \
" arc4=%%d default: (library default: 0)\n" \
" allow_sha1=%%d default: 0\n" \
" min_version=%%s default: (library default: tls1)\n" \
@ -1900,7 +1905,10 @@ int main( int argc, char *argv[] )
if( ret == 0 )
ret = 1;
mbedtls_printf( USAGE );
mbedtls_printf( USAGE1 );
mbedtls_printf( USAGE2 );
mbedtls_printf( USAGE3 );
mbedtls_printf( USAGE4 );
list = mbedtls_ssl_list_ciphersuites();
while( *list )