diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:18:31 +0300 |
---|---|---|
committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:42:15 +0300 |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/roms/ipxe/src/net/tcp/iscsi.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/roms/ipxe/src/net/tcp/iscsi.c')
-rw-r--r-- | qemu/roms/ipxe/src/net/tcp/iscsi.c | 76 |
1 files changed, 36 insertions, 40 deletions
diff --git a/qemu/roms/ipxe/src/net/tcp/iscsi.c b/qemu/roms/ipxe/src/net/tcp/iscsi.c index 03c6d0f23..019a4c14e 100644 --- a/qemu/roms/ipxe/src/net/tcp/iscsi.c +++ b/qemu/roms/ipxe/src/net/tcp/iscsi.c @@ -15,14 +15,19 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <stddef.h> #include <string.h> #include <stdlib.h> #include <stdio.h> +#include <ctype.h> #include <errno.h> #include <assert.h> #include <byteswap.h> @@ -127,7 +132,7 @@ FEATURE ( FEATURE_PROTOCOL, "iSCSI", DHCP_EB_FEATURE_ISCSI, 1 ); #define EPROTO_INVALID_LARGE_BINARY \ __einfo_error ( EINFO_EPROTO_INVALID_LARGE_BINARY ) #define EINFO_EPROTO_INVALID_LARGE_BINARY \ - __einfo_uniqify ( EINFO_EPROTO, 0x03, "Invalid large binary" ) + __einfo_uniqify ( EINFO_EPROTO, 0x03, "Invalid large binary value" ) #define EPROTO_INVALID_CHAP_RESPONSE \ __einfo_error ( EINFO_EPROTO_INVALID_CHAP_RESPONSE ) #define EINFO_EPROTO_INVALID_CHAP_RESPONSE \ @@ -704,7 +709,7 @@ static int iscsi_build_login_request_strings ( struct iscsi_session *iscsi, char buf[ base16_encoded_len ( iscsi->chap.response_len ) + 1 ]; assert ( iscsi->initiator_username != NULL ); base16_encode ( iscsi->chap.response, iscsi->chap.response_len, - buf ); + buf, sizeof ( buf ) ); used += ssnprintf ( data + used, len - used, "CHAP_N=%s%cCHAP_R=0x%s%c", iscsi->initiator_username, 0, buf, 0 ); @@ -714,7 +719,7 @@ static int iscsi_build_login_request_strings ( struct iscsi_session *iscsi, size_t challenge_len = ( sizeof ( iscsi->chap_challenge ) - 1 ); char buf[ base16_encoded_len ( challenge_len ) + 1 ]; base16_encode ( ( iscsi->chap_challenge + 1 ), challenge_len, - buf ); + buf, sizeof ( buf ) ); used += ssnprintf ( data + used, len - used, "CHAP_I=%d%cCHAP_C=0x%s%c", iscsi->chap_challenge[0], 0, buf, 0 ); @@ -824,38 +829,27 @@ static int iscsi_tx_login_request ( struct iscsi_session *iscsi ) { } /** - * Calculate maximum length of decoded large binary value - * - * @v encoded Encoded large binary value - * @v max_raw_len Maximum length of raw data - */ -static inline size_t -iscsi_large_binary_decoded_max_len ( const char *encoded ) { - return ( strlen ( encoded ) ); /* Decoding never expands data */ -} - -/** * Decode large binary value * * @v encoded Encoded large binary value * @v raw Raw data + * @v len Length of data buffer * @ret len Length of raw data, or negative error */ -static int iscsi_large_binary_decode ( const char *encoded, uint8_t *raw ) { - - if ( encoded[0] != '0' ) - return -EPROTO_INVALID_LARGE_BINARY; - - switch ( encoded[1] ) { - case 'x' : - case 'X' : - return base16_decode ( ( encoded + 2 ), raw ); - case 'b' : - case 'B' : - return base64_decode ( ( encoded + 2 ), raw ); - default: - return -EPROTO_INVALID_LARGE_BINARY; +static int iscsi_large_binary_decode ( const char *encoded, uint8_t *raw, + size_t len ) { + + /* Check for initial '0x' or '0b' and decode as appropriate */ + if ( *(encoded++) == '0' ) { + switch ( tolower ( *(encoded++) ) ) { + case 'x' : + return base16_decode ( encoded, raw, len ); + case 'b' : + return base64_decode ( encoded, raw, len ); + } } + + return -EPROTO_INVALID_LARGE_BINARY; } /** @@ -982,19 +976,19 @@ static int iscsi_handle_chap_i_value ( struct iscsi_session *iscsi, */ static int iscsi_handle_chap_c_value ( struct iscsi_session *iscsi, const char *value ) { - uint8_t buf[ iscsi_large_binary_decoded_max_len ( value ) ]; + uint8_t buf[ strlen ( value ) ]; /* Decoding never expands data */ unsigned int i; - size_t len; + int len; int rc; /* Process challenge */ - rc = iscsi_large_binary_decode ( value, buf ); - if ( rc < 0 ) { + len = iscsi_large_binary_decode ( value, buf, sizeof ( buf ) ); + if ( len < 0 ) { + rc = len; DBGC ( iscsi, "iSCSI %p invalid CHAP challenge \"%s\": %s\n", iscsi, value, strerror ( rc ) ); return rc; } - len = rc; chap_update ( &iscsi->chap, buf, len ); /* Build CHAP response */ @@ -1052,8 +1046,8 @@ static int iscsi_handle_chap_n_value ( struct iscsi_session *iscsi, */ static int iscsi_handle_chap_r_value ( struct iscsi_session *iscsi, const char *value ) { - uint8_t buf[ iscsi_large_binary_decoded_max_len ( value ) ]; - size_t len; + uint8_t buf[ strlen ( value ) ]; /* Decoding never expands data */ + int len; int rc; /* Generate CHAP response for verification */ @@ -1073,16 +1067,16 @@ static int iscsi_handle_chap_r_value ( struct iscsi_session *iscsi, chap_respond ( &iscsi->chap ); /* Process response */ - rc = iscsi_large_binary_decode ( value, buf ); - if ( rc < 0 ) { + len = iscsi_large_binary_decode ( value, buf, sizeof ( buf ) ); + if ( len < 0 ) { + rc = len; DBGC ( iscsi, "iSCSI %p invalid CHAP response \"%s\": %s\n", iscsi, value, strerror ( rc ) ); return rc; } - len = rc; /* Check CHAP response */ - if ( len != iscsi->chap.response_len ) { + if ( len != ( int ) iscsi->chap.response_len ) { DBGC ( iscsi, "iSCSI %p invalid CHAP response length\n", iscsi ); return -EPROTO_INVALID_CHAP_RESPONSE; @@ -1445,8 +1439,10 @@ static void iscsi_tx_done ( struct iscsi_session *iscsi ) { switch ( common->opcode & ISCSI_OPCODE_MASK ) { case ISCSI_OPCODE_DATA_OUT: iscsi_data_out_done ( iscsi ); + break; case ISCSI_OPCODE_LOGIN_REQUEST: iscsi_login_request_done ( iscsi ); + break; default: /* No action */ break; |