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-rw-r--r--fs/cifs/connect.c755
1 files changed, 413 insertions, 342 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index ef10c3717fb5..9d6d9a09d973 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -121,7 +121,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
121 struct cifsSesInfo *ses; 121 struct cifsSesInfo *ses;
122 struct cifsTconInfo *tcon; 122 struct cifsTconInfo *tcon;
123 struct mid_q_entry *mid_entry; 123 struct mid_q_entry *mid_entry;
124 124
125 spin_lock(&GlobalMid_Lock); 125 spin_lock(&GlobalMid_Lock);
126 if ( kthread_should_stop() ) { 126 if ( kthread_should_stop() ) {
127 /* the demux thread will exit normally 127 /* the demux thread will exit normally
@@ -284,13 +284,13 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
284 total_in_buf = le16_to_cpu(pSMBt->t2_rsp.DataCount); 284 total_in_buf = le16_to_cpu(pSMBt->t2_rsp.DataCount);
285 285
286 remaining = total_data_size - total_in_buf; 286 remaining = total_data_size - total_in_buf;
287 287
288 if (remaining < 0) 288 if (remaining < 0)
289 return -EINVAL; 289 return -EINVAL;
290 290
291 if (remaining == 0) /* nothing to do, ignore */ 291 if (remaining == 0) /* nothing to do, ignore */
292 return 0; 292 return 0;
293 293
294 total_in_buf2 = le16_to_cpu(pSMB2->t2_rsp.DataCount); 294 total_in_buf2 = le16_to_cpu(pSMB2->t2_rsp.DataCount);
295 if (remaining < total_in_buf2) { 295 if (remaining < total_in_buf2) {
296 cFYI(1, ("transact2 2nd response contains too much data")); 296 cFYI(1, ("transact2 2nd response contains too much data"));
@@ -318,7 +318,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
318 byte_count += total_in_buf2; 318 byte_count += total_in_buf2;
319 319
320 /* BB also add check that we are not beyond maximum buffer size */ 320 /* BB also add check that we are not beyond maximum buffer size */
321 321
322 pTargetSMB->smb_buf_length = byte_count; 322 pTargetSMB->smb_buf_length = byte_count;
323 323
324 if (remaining == total_in_buf2) { 324 if (remaining == total_in_buf2) {
@@ -560,7 +560,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
560 continue; 560 continue;
561 561
562 length += 4; /* account for rfc1002 hdr */ 562 length += 4; /* account for rfc1002 hdr */
563 563
564 564
565 dump_smb(smb_buffer, length); 565 dump_smb(smb_buffer, length);
566 if (checkSMB(smb_buffer, smb_buffer->Mid, total_read+4)) { 566 if (checkSMB(smb_buffer, smb_buffer->Mid, total_read+4)) {
@@ -574,7 +574,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
574 list_for_each(tmp, &server->pending_mid_q) { 574 list_for_each(tmp, &server->pending_mid_q) {
575 mid_entry = list_entry(tmp, struct mid_q_entry, qhead); 575 mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
576 576
577 if ((mid_entry->mid == smb_buffer->Mid) && 577 if ((mid_entry->mid == smb_buffer->Mid) &&
578 (mid_entry->midState == MID_REQUEST_SUBMITTED) && 578 (mid_entry->midState == MID_REQUEST_SUBMITTED) &&
579 (mid_entry->command == smb_buffer->Command)) { 579 (mid_entry->command == smb_buffer->Command)) {
580 if (check2ndT2(smb_buffer,server->maxBuf) > 0) { 580 if (check2ndT2(smb_buffer,server->maxBuf) > 0) {
@@ -582,20 +582,20 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
582 isMultiRsp = TRUE; 582 isMultiRsp = TRUE;
583 if (mid_entry->resp_buf) { 583 if (mid_entry->resp_buf) {
584 /* merge response - fix up 1st*/ 584 /* merge response - fix up 1st*/
585 if (coalesce_t2(smb_buffer, 585 if (coalesce_t2(smb_buffer,
586 mid_entry->resp_buf)) { 586 mid_entry->resp_buf)) {
587 mid_entry->multiRsp = 1; 587 mid_entry->multiRsp = 1;
588 break; 588 break;
589 } else { 589 } else {
590 /* all parts received */ 590 /* all parts received */
591 mid_entry->multiEnd = 1; 591 mid_entry->multiEnd = 1;
592 goto multi_t2_fnd; 592 goto multi_t2_fnd;
593 } 593 }
594 } else { 594 } else {
595 if (!isLargeBuf) { 595 if (!isLargeBuf) {
596 cERROR(1,("1st trans2 resp needs bigbuf")); 596 cERROR(1,("1st trans2 resp needs bigbuf"));
597 /* BB maybe we can fix this up, switch 597 /* BB maybe we can fix this up, switch
598 to already allocated large buffer? */ 598 to already allocated large buffer? */
599 } else { 599 } else {
600 /* Have first buffer */ 600 /* Have first buffer */
601 mid_entry->resp_buf = 601 mid_entry->resp_buf =
@@ -605,7 +605,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
605 } 605 }
606 } 606 }
607 break; 607 break;
608 } 608 }
609 mid_entry->resp_buf = smb_buffer; 609 mid_entry->resp_buf = smb_buffer;
610 if (isLargeBuf) 610 if (isLargeBuf)
611 mid_entry->largeBuf = 1; 611 mid_entry->largeBuf = 1;
@@ -636,15 +636,16 @@ multi_t2_fnd:
636 } 636 }
637 wake_up_process(task_to_wake); 637 wake_up_process(task_to_wake);
638 } else if ((is_valid_oplock_break(smb_buffer, server) == FALSE) 638 } else if ((is_valid_oplock_break(smb_buffer, server) == FALSE)
639 && (isMultiRsp == FALSE)) { 639 && (isMultiRsp == FALSE)) {
640 cERROR(1, ("No task to wake, unknown frame rcvd! NumMids %d", midCount.counter)); 640 cERROR(1, ("No task to wake, unknown frame received! "
641 cifs_dump_mem("Received Data is: ",(char *)smb_buffer, 641 "NumMids %d", midCount.counter));
642 cifs_dump_mem("Received Data is: ", (char *)smb_buffer,
642 sizeof(struct smb_hdr)); 643 sizeof(struct smb_hdr));
643#ifdef CONFIG_CIFS_DEBUG2 644#ifdef CONFIG_CIFS_DEBUG2
644 cifs_dump_detail(smb_buffer); 645 cifs_dump_detail(smb_buffer);
645 cifs_dump_mids(server); 646 cifs_dump_mids(server);
646#endif /* CIFS_DEBUG2 */ 647#endif /* CIFS_DEBUG2 */
647 648
648 } 649 }
649 } /* end while !EXITING */ 650 } /* end while !EXITING */
650 651
@@ -659,7 +660,7 @@ multi_t2_fnd:
659 /* We do not want to set the max_pending too low or we 660 /* We do not want to set the max_pending too low or we
660 could end up with the counter going negative */ 661 could end up with the counter going negative */
661 spin_unlock(&GlobalMid_Lock); 662 spin_unlock(&GlobalMid_Lock);
662 /* Although there should not be any requests blocked on 663 /* Although there should not be any requests blocked on
663 this queue it can not hurt to be paranoid and try to wake up requests 664 this queue it can not hurt to be paranoid and try to wake up requests
664 that may haven been blocked when more than 50 at time were on the wire 665 that may haven been blocked when more than 50 at time were on the wire
665 to the same server - they now will see the session is in exit state 666 to the same server - they now will see the session is in exit state
@@ -667,7 +668,7 @@ multi_t2_fnd:
667 wake_up_all(&server->request_q); 668 wake_up_all(&server->request_q);
668 /* give those requests time to exit */ 669 /* give those requests time to exit */
669 msleep(125); 670 msleep(125);
670 671
671 if (server->ssocket) { 672 if (server->ssocket) {
672 sock_release(csocket); 673 sock_release(csocket);
673 server->ssocket = NULL; 674 server->ssocket = NULL;
@@ -708,8 +709,8 @@ multi_t2_fnd:
708 list_for_each(tmp, &server->pending_mid_q) { 709 list_for_each(tmp, &server->pending_mid_q) {
709 mid_entry = list_entry(tmp, struct mid_q_entry, qhead); 710 mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
710 if (mid_entry->midState == MID_REQUEST_SUBMITTED) { 711 if (mid_entry->midState == MID_REQUEST_SUBMITTED) {
711 cFYI(1, 712 cFYI(1, ("Clearing Mid 0x%x - waking up ",
712 ("Clearing Mid 0x%x - waking up ",mid_entry->mid)); 713 mid_entry->mid));
713 task_to_wake = mid_entry->tsk; 714 task_to_wake = mid_entry->tsk;
714 if (task_to_wake) { 715 if (task_to_wake) {
715 wake_up_process(task_to_wake); 716 wake_up_process(task_to_wake);
@@ -723,7 +724,7 @@ multi_t2_fnd:
723 } 724 }
724 725
725 if (!list_empty(&server->pending_mid_q)) { 726 if (!list_empty(&server->pending_mid_q)) {
726 /* mpx threads have not exited yet give them 727 /* mpx threads have not exited yet give them
727 at least the smb send timeout time for long ops */ 728 at least the smb send timeout time for long ops */
728 /* due to delays on oplock break requests, we need 729 /* due to delays on oplock break requests, we need
729 to wait at least 45 seconds before giving up 730 to wait at least 45 seconds before giving up
@@ -741,7 +742,7 @@ multi_t2_fnd:
741 742
742 /* last chance to mark ses pointers invalid 743 /* last chance to mark ses pointers invalid
743 if there are any pointing to this (e.g 744 if there are any pointing to this (e.g
744 if a crazy root user tried to kill cifsd 745 if a crazy root user tried to kill cifsd
745 kernel thread explicitly this might happen) */ 746 kernel thread explicitly this might happen) */
746 list_for_each(tmp, &GlobalSMBSessionList) { 747 list_for_each(tmp, &GlobalSMBSessionList) {
747 ses = list_entry(tmp, struct cifsSesInfo, 748 ses = list_entry(tmp, struct cifsSesInfo,
@@ -758,12 +759,13 @@ multi_t2_fnd:
758 length + cifs_min_rcv, 759 length + cifs_min_rcv,
759 GFP_KERNEL); 760 GFP_KERNEL);
760 } 761 }
761 762
762 return 0; 763 return 0;
763} 764}
764 765
765static int 766static int
766cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol) 767cifs_parse_mount_options(char *options, const char *devname,
768 struct smb_vol *vol)
767{ 769{
768 char *value; 770 char *value;
769 char *data; 771 char *data;
@@ -771,15 +773,15 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
771 char separator[2]; 773 char separator[2];
772 774
773 separator[0] = ','; 775 separator[0] = ',';
774 separator[1] = 0; 776 separator[1] = 0;
775 777
776 if (Local_System_Name[0] != 0) 778 if (Local_System_Name[0] != 0)
777 memcpy(vol->source_rfc1001_name, Local_System_Name,15); 779 memcpy(vol->source_rfc1001_name, Local_System_Name, 15);
778 else { 780 else {
779 char *nodename = utsname()->nodename; 781 char *nodename = utsname()->nodename;
780 int n = strnlen(nodename,15); 782 int n = strnlen(nodename, 15);
781 memset(vol->source_rfc1001_name,0x20,15); 783 memset(vol->source_rfc1001_name, 0x20, 15);
782 for(i=0 ; i < n ; i++) { 784 for (i = 0; i < n; i++) {
783 /* does not have to be perfect mapping since field is 785 /* does not have to be perfect mapping since field is
784 informational, only used for servers that do not support 786 informational, only used for servers that do not support
785 port 445 and it can be overridden at mount time */ 787 port 445 and it can be overridden at mount time */
@@ -804,7 +806,7 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
804 if (!options) 806 if (!options)
805 return 1; 807 return 1;
806 808
807 if (strncmp(options,"sep=",4) == 0) { 809 if (strncmp(options, "sep=", 4) == 0) {
808 if (options[4] != 0) { 810 if (options[4] != 0) {
809 separator[0] = options[4]; 811 separator[0] = options[4];
810 options += 5; 812 options += 5;
@@ -812,16 +814,17 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
812 cFYI(1, ("Null separator not allowed")); 814 cFYI(1, ("Null separator not allowed"));
813 } 815 }
814 } 816 }
815 817
816 while ((data = strsep(&options, separator)) != NULL) { 818 while ((data = strsep(&options, separator)) != NULL) {
817 if (!*data) 819 if (!*data)
818 continue; 820 continue;
819 if ((value = strchr(data, '=')) != NULL) 821 if ((value = strchr(data, '=')) != NULL)
820 *value++ = '\0'; 822 *value++ = '\0';
821 823
822 if (strnicmp(data, "user_xattr",10) == 0) {/*parse before user*/ 824 /* Have to parse this before we parse for "user" */
825 if (strnicmp(data, "user_xattr", 10) == 0) {
823 vol->no_xattr = 0; 826 vol->no_xattr = 0;
824 } else if (strnicmp(data, "nouser_xattr",12) == 0) { 827 } else if (strnicmp(data, "nouser_xattr", 12) == 0) {
825 vol->no_xattr = 1; 828 vol->no_xattr = 1;
826 } else if (strnicmp(data, "user", 4) == 0) { 829 } else if (strnicmp(data, "user", 4) == 0) {
827 if (!value) { 830 if (!value) {
@@ -856,7 +859,7 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
856 /* removed password length check, NTLM passwords 859 /* removed password length check, NTLM passwords
857 can be arbitrarily long */ 860 can be arbitrarily long */
858 861
859 /* if comma in password, the string will be 862 /* if comma in password, the string will be
860 prematurely null terminated. Commas in password are 863 prematurely null terminated. Commas in password are
861 specified across the cifs mount interface by a double 864 specified across the cifs mount interface by a double
862 comma ie ,, and a comma used as in other cases ie ',' 865 comma ie ,, and a comma used as in other cases ie ','
@@ -866,18 +869,18 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
866 /* NB: password legally can have multiple commas and 869 /* NB: password legally can have multiple commas and
867 the only illegal character in a password is null */ 870 the only illegal character in a password is null */
868 871
869 if ((value[temp_len] == 0) && 872 if ((value[temp_len] == 0) &&
870 (value[temp_len+1] == separator[0])) { 873 (value[temp_len+1] == separator[0])) {
871 /* reinsert comma */ 874 /* reinsert comma */
872 value[temp_len] = separator[0]; 875 value[temp_len] = separator[0];
873 temp_len+=2; /* move after the second comma */ 876 temp_len += 2; /* move after second comma */
874 while(value[temp_len] != 0) { 877 while (value[temp_len] != 0) {
875 if (value[temp_len] == separator[0]) { 878 if (value[temp_len] == separator[0]) {
876 if (value[temp_len+1] == 879 if (value[temp_len+1] ==
877 separator[0]) { 880 separator[0]) {
878 /* skip second comma */ 881 /* skip second comma */
879 temp_len++; 882 temp_len++;
880 } else { 883 } else {
881 /* single comma indicating start 884 /* single comma indicating start
882 of next parm */ 885 of next parm */
883 break; 886 break;
@@ -892,15 +895,16 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
892 /* point option to start of next parm */ 895 /* point option to start of next parm */
893 options = value + temp_len + 1; 896 options = value + temp_len + 1;
894 } 897 }
895 /* go from value to value + temp_len condensing 898 /* go from value to value + temp_len condensing
896 double commas to singles. Note that this ends up 899 double commas to singles. Note that this ends up
897 allocating a few bytes too many, which is ok */ 900 allocating a few bytes too many, which is ok */
898 vol->password = kzalloc(temp_len, GFP_KERNEL); 901 vol->password = kzalloc(temp_len, GFP_KERNEL);
899 if (vol->password == NULL) { 902 if (vol->password == NULL) {
900 printk("CIFS: no memory for pass\n"); 903 printk(KERN_WARNING "CIFS: no memory "
904 "for password\n");
901 return 1; 905 return 1;
902 } 906 }
903 for(i=0,j=0;i<temp_len;i++,j++) { 907 for (i = 0, j = 0; i < temp_len; i++, j++) {
904 vol->password[j] = value[i]; 908 vol->password[j] = value[i];
905 if (value[i] == separator[0] 909 if (value[i] == separator[0]
906 && value[i+1] == separator[0]) { 910 && value[i+1] == separator[0]) {
@@ -912,7 +916,8 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
912 } else { 916 } else {
913 vol->password = kzalloc(temp_len+1, GFP_KERNEL); 917 vol->password = kzalloc(temp_len+1, GFP_KERNEL);
914 if (vol->password == NULL) { 918 if (vol->password == NULL) {
915 printk("CIFS: no memory for pass\n"); 919 printk(KERN_WARNING "CIFS: no memory "
920 "for password\n");
916 return 1; 921 return 1;
917 } 922 }
918 strcpy(vol->password, value); 923 strcpy(vol->password, value);
@@ -923,20 +928,21 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
923 } else if (strnlen(value, 35) < 35) { 928 } else if (strnlen(value, 35) < 35) {
924 vol->UNCip = value; 929 vol->UNCip = value;
925 } else { 930 } else {
926 printk(KERN_WARNING "CIFS: ip address too long\n"); 931 printk(KERN_WARNING "CIFS: ip address "
932 "too long\n");
927 return 1; 933 return 1;
928 } 934 }
929 } else if (strnicmp(data, "sec", 3) == 0) { 935 } else if (strnicmp(data, "sec", 3) == 0) {
930 if (!value || !*value) { 936 if (!value || !*value) {
931 cERROR(1,("no security value specified")); 937 cERROR(1, ("no security value specified"));
932 continue; 938 continue;
933 } else if (strnicmp(value, "krb5i", 5) == 0) { 939 } else if (strnicmp(value, "krb5i", 5) == 0) {
934 vol->secFlg |= CIFSSEC_MAY_KRB5 | 940 vol->secFlg |= CIFSSEC_MAY_KRB5 |
935 CIFSSEC_MUST_SIGN; 941 CIFSSEC_MUST_SIGN;
936 } else if (strnicmp(value, "krb5p", 5) == 0) { 942 } else if (strnicmp(value, "krb5p", 5) == 0) {
937 /* vol->secFlg |= CIFSSEC_MUST_SEAL | 943 /* vol->secFlg |= CIFSSEC_MUST_SEAL |
938 CIFSSEC_MAY_KRB5; */ 944 CIFSSEC_MAY_KRB5; */
939 cERROR(1,("Krb5 cifs privacy not supported")); 945 cERROR(1, ("Krb5 cifs privacy not supported"));
940 return 1; 946 return 1;
941 } else if (strnicmp(value, "krb5", 4) == 0) { 947 } else if (strnicmp(value, "krb5", 4) == 0) {
942 vol->secFlg |= CIFSSEC_MAY_KRB5; 948 vol->secFlg |= CIFSSEC_MAY_KRB5;
@@ -956,33 +962,34 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
956 vol->secFlg |= CIFSSEC_MAY_NTLMV2; 962 vol->secFlg |= CIFSSEC_MAY_NTLMV2;
957#ifdef CONFIG_CIFS_WEAK_PW_HASH 963#ifdef CONFIG_CIFS_WEAK_PW_HASH
958 } else if (strnicmp(value, "lanman", 6) == 0) { 964 } else if (strnicmp(value, "lanman", 6) == 0) {
959 vol->secFlg |= CIFSSEC_MAY_LANMAN; 965 vol->secFlg |= CIFSSEC_MAY_LANMAN;
960#endif 966#endif
961 } else if (strnicmp(value, "none", 4) == 0) { 967 } else if (strnicmp(value, "none", 4) == 0) {
962 vol->nullauth = 1; 968 vol->nullauth = 1;
963 } else { 969 } else {
964 cERROR(1,("bad security option: %s", value)); 970 cERROR(1, ("bad security option: %s", value));
965 return 1; 971 return 1;
966 } 972 }
967 } else if ((strnicmp(data, "unc", 3) == 0) 973 } else if ((strnicmp(data, "unc", 3) == 0)
968 || (strnicmp(data, "target", 6) == 0) 974 || (strnicmp(data, "target", 6) == 0)
969 || (strnicmp(data, "path", 4) == 0)) { 975 || (strnicmp(data, "path", 4) == 0)) {
970 if (!value || !*value) { 976 if (!value || !*value) {
971 printk(KERN_WARNING 977 printk(KERN_WARNING "CIFS: invalid path to "
972 "CIFS: invalid path to network resource\n"); 978 "network resource\n");
973 return 1; /* needs_arg; */ 979 return 1; /* needs_arg; */
974 } 980 }
975 if ((temp_len = strnlen(value, 300)) < 300) { 981 if ((temp_len = strnlen(value, 300)) < 300) {
976 vol->UNC = kmalloc(temp_len+1,GFP_KERNEL); 982 vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
977 if (vol->UNC == NULL) 983 if (vol->UNC == NULL)
978 return 1; 984 return 1;
979 strcpy(vol->UNC,value); 985 strcpy(vol->UNC, value);
980 if (strncmp(vol->UNC, "//", 2) == 0) { 986 if (strncmp(vol->UNC, "//", 2) == 0) {
981 vol->UNC[0] = '\\'; 987 vol->UNC[0] = '\\';
982 vol->UNC[1] = '\\'; 988 vol->UNC[1] = '\\';
983 } else if (strncmp(vol->UNC, "\\\\", 2) != 0) { 989 } else if (strncmp(vol->UNC, "\\\\", 2) != 0) {
984 printk(KERN_WARNING 990 printk(KERN_WARNING
985 "CIFS: UNC Path does not begin with // or \\\\ \n"); 991 "CIFS: UNC Path does not begin "
992 "with // or \\\\ \n");
986 return 1; 993 return 1;
987 } 994 }
988 } else { 995 } else {
@@ -1001,41 +1008,43 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1001 vol->domainname = value; 1008 vol->domainname = value;
1002 cFYI(1, ("Domain name set")); 1009 cFYI(1, ("Domain name set"));
1003 } else { 1010 } else {
1004 printk(KERN_WARNING "CIFS: domain name too long\n"); 1011 printk(KERN_WARNING "CIFS: domain name too "
1012 "long\n");
1005 return 1; 1013 return 1;
1006 } 1014 }
1007 } else if (strnicmp(data, "prefixpath", 10) == 0) { 1015 } else if (strnicmp(data, "prefixpath", 10) == 0) {
1008 if (!value || !*value) { 1016 if (!value || !*value) {
1009 printk(KERN_WARNING 1017 printk(KERN_WARNING
1010 "CIFS: invalid path prefix\n"); 1018 "CIFS: invalid path prefix\n");
1011 return 1; /* needs_arg; */ 1019 return 1; /* needs_argument */
1012 } 1020 }
1013 if ((temp_len = strnlen(value, 1024)) < 1024) { 1021 if ((temp_len = strnlen(value, 1024)) < 1024) {
1014 if (value[0] != '/') 1022 if (value[0] != '/')
1015 temp_len++; /* missing leading slash */ 1023 temp_len++; /* missing leading slash */
1016 vol->prepath = kmalloc(temp_len+1,GFP_KERNEL); 1024 vol->prepath = kmalloc(temp_len+1, GFP_KERNEL);
1017 if (vol->prepath == NULL) 1025 if (vol->prepath == NULL)
1018 return 1; 1026 return 1;
1019 if (value[0] != '/') { 1027 if (value[0] != '/') {
1020 vol->prepath[0] = '/'; 1028 vol->prepath[0] = '/';
1021 strcpy(vol->prepath+1,value); 1029 strcpy(vol->prepath+1, value);
1022 } else 1030 } else
1023 strcpy(vol->prepath,value); 1031 strcpy(vol->prepath, value);
1024 cFYI(1, ("prefix path %s",vol->prepath)); 1032 cFYI(1, ("prefix path %s", vol->prepath));
1025 } else { 1033 } else {
1026 printk(KERN_WARNING "CIFS: prefix too long\n"); 1034 printk(KERN_WARNING "CIFS: prefix too long\n");
1027 return 1; 1035 return 1;
1028 } 1036 }
1029 } else if (strnicmp(data, "iocharset", 9) == 0) { 1037 } else if (strnicmp(data, "iocharset", 9) == 0) {
1030 if (!value || !*value) { 1038 if (!value || !*value) {
1031 printk(KERN_WARNING "CIFS: invalid iocharset specified\n"); 1039 printk(KERN_WARNING "CIFS: invalid iocharset specified\n");
1032 return 1; /* needs_arg; */ 1040 return 1; /* needs_arg; */
1033 } 1041 }
1034 if (strnlen(value, 65) < 65) { 1042 if (strnlen(value, 65) < 65) {
1035 if (strnicmp(value,"default",7)) 1043 if (strnicmp(value, "default", 7))
1036 vol->iocharset = value; 1044 vol->iocharset = value;
1037 /* if iocharset not set load_nls_default used by caller */ 1045 /* if iocharset not set then load_nls_default
1038 cFYI(1, ("iocharset set to %s",value)); 1046 is used by caller */
1047 cFYI(1, ("iocharset set to %s", value));
1039 } else { 1048 } else {
1040 printk(KERN_WARNING "CIFS: iocharset name too long.\n"); 1049 printk(KERN_WARNING "CIFS: iocharset name too long.\n");
1041 return 1; 1050 return 1;
@@ -1091,22 +1100,24 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1091 if (!value || !*value || (*value == ' ')) { 1100 if (!value || !*value || (*value == ' ')) {
1092 cFYI(1, ("invalid (empty) netbiosname specified")); 1101 cFYI(1, ("invalid (empty) netbiosname specified"));
1093 } else { 1102 } else {
1094 memset(vol->source_rfc1001_name,0x20,15); 1103 memset(vol->source_rfc1001_name, 0x20, 15);
1095 for(i=0;i<15;i++) { 1104 for (i = 0; i < 15; i++) {
1096 /* BB are there cases in which a comma can be 1105 /* BB are there cases in which a comma can be
1097 valid in this workstation netbios name (and need 1106 valid in this workstation netbios name (and need
1098 special handling)? */ 1107 special handling)? */
1099 1108
1100 /* We do not uppercase netbiosname for user */ 1109 /* We do not uppercase netbiosname for user */
1101 if (value[i]==0) 1110 if (value[i] == 0)
1102 break; 1111 break;
1103 else 1112 else
1104 vol->source_rfc1001_name[i] = value[i]; 1113 vol->source_rfc1001_name[i] =
1114 value[i];
1105 } 1115 }
1106 /* The string has 16th byte zero still from 1116 /* The string has 16th byte zero still from
1107 set at top of the function */ 1117 set at top of the function */
1108 if ((i==15) && (value[i] != 0)) 1118 if ((i == 15) && (value[i] != 0))
1109 printk(KERN_WARNING "CIFS: netbiosname longer than 15 truncated.\n"); 1119 printk(KERN_WARNING "CIFS: netbiosname"
1120 " longer than 15 truncated.\n");
1110 } 1121 }
1111 } else if (strnicmp(data, "servern", 7) == 0) { 1122 } else if (strnicmp(data, "servern", 7) == 0) {
1112 /* servernetbiosname specified override *SMBSERVER */ 1123 /* servernetbiosname specified override *SMBSERVER */
@@ -1114,29 +1125,32 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1114 cFYI(1, ("empty server netbiosname specified")); 1125 cFYI(1, ("empty server netbiosname specified"));
1115 } else { 1126 } else {
1116 /* last byte, type, is 0x20 for servr type */ 1127 /* last byte, type, is 0x20 for servr type */
1117 memset(vol->target_rfc1001_name,0x20,16); 1128 memset(vol->target_rfc1001_name, 0x20, 16);
1118 1129
1119 for(i=0;i<15;i++) { 1130 for (i = 0; i < 15; i++) {
1120 /* BB are there cases in which a comma can be 1131 /* BB are there cases in which a comma can be
1121 valid in this workstation netbios name (and need 1132 valid in this workstation netbios name
1122 special handling)? */ 1133 (and need special handling)? */
1123 1134
1124 /* user or mount helper must uppercase netbiosname */ 1135 /* user or mount helper must uppercase
1125 if (value[i]==0) 1136 the netbiosname */
1137 if (value[i] == 0)
1126 break; 1138 break;
1127 else 1139 else
1128 vol->target_rfc1001_name[i] = value[i]; 1140 vol->target_rfc1001_name[i] =
1141 value[i];
1129 } 1142 }
1130 /* The string has 16th byte zero still from 1143 /* The string has 16th byte zero still from
1131 set at top of the function */ 1144 set at top of the function */
1132 if ((i==15) && (value[i] != 0)) 1145 if ((i == 15) && (value[i] != 0))
1133 printk(KERN_WARNING "CIFS: server netbiosname longer than 15 truncated.\n"); 1146 printk(KERN_WARNING "CIFS: server net"
1147 "biosname longer than 15 truncated.\n");
1134 } 1148 }
1135 } else if (strnicmp(data, "credentials", 4) == 0) { 1149 } else if (strnicmp(data, "credentials", 4) == 0) {
1136 /* ignore */ 1150 /* ignore */
1137 } else if (strnicmp(data, "version", 3) == 0) { 1151 } else if (strnicmp(data, "version", 3) == 0) {
1138 /* ignore */ 1152 /* ignore */
1139 } else if (strnicmp(data, "guest",5) == 0) { 1153 } else if (strnicmp(data, "guest", 5) == 0) {
1140 /* ignore */ 1154 /* ignore */
1141 } else if (strnicmp(data, "rw", 2) == 0) { 1155 } else if (strnicmp(data, "rw", 2) == 0) {
1142 vol->rw = TRUE; 1156 vol->rw = TRUE;
@@ -1148,11 +1162,11 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1148 (strnicmp(data, "noauto", 6) == 0) || 1162 (strnicmp(data, "noauto", 6) == 0) ||
1149 (strnicmp(data, "dev", 3) == 0)) { 1163 (strnicmp(data, "dev", 3) == 0)) {
1150 /* The mount tool or mount.cifs helper (if present) 1164 /* The mount tool or mount.cifs helper (if present)
1151 uses these opts to set flags, and the flags are read 1165 uses these opts to set flags, and the flags are read
1152 by the kernel vfs layer before we get here (ie 1166 by the kernel vfs layer before we get here (ie
1153 before read super) so there is no point trying to 1167 before read super) so there is no point trying to
1154 parse these options again and set anything and it 1168 parse these options again and set anything and it
1155 is ok to just ignore them */ 1169 is ok to just ignore them */
1156 continue; 1170 continue;
1157 } else if (strnicmp(data, "ro", 2) == 0) { 1171 } else if (strnicmp(data, "ro", 2) == 0) {
1158 vol->rw = FALSE; 1172 vol->rw = FALSE;
@@ -1168,26 +1182,27 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1168 vol->remap = 1; 1182 vol->remap = 1;
1169 } else if (strnicmp(data, "nomapchars", 10) == 0) { 1183 } else if (strnicmp(data, "nomapchars", 10) == 0) {
1170 vol->remap = 0; 1184 vol->remap = 0;
1171 } else if (strnicmp(data, "sfu", 3) == 0) { 1185 } else if (strnicmp(data, "sfu", 3) == 0) {
1172 vol->sfu_emul = 1; 1186 vol->sfu_emul = 1;
1173 } else if (strnicmp(data, "nosfu", 5) == 0) { 1187 } else if (strnicmp(data, "nosfu", 5) == 0) {
1174 vol->sfu_emul = 0; 1188 vol->sfu_emul = 0;
1175 } else if (strnicmp(data, "posixpaths", 10) == 0) { 1189 } else if (strnicmp(data, "posixpaths", 10) == 0) {
1176 vol->posix_paths = 1; 1190 vol->posix_paths = 1;
1177 } else if (strnicmp(data, "noposixpaths", 12) == 0) { 1191 } else if (strnicmp(data, "noposixpaths", 12) == 0) {
1178 vol->posix_paths = 0; 1192 vol->posix_paths = 0;
1179 } else if ((strnicmp(data, "nocase", 6) == 0) || 1193 } else if ((strnicmp(data, "nocase", 6) == 0) ||
1180 (strnicmp(data, "ignorecase", 10) == 0)) { 1194 (strnicmp(data, "ignorecase", 10) == 0)) {
1181 vol->nocase = 1; 1195 vol->nocase = 1;
1182 } else if (strnicmp(data, "brl", 3) == 0) { 1196 } else if (strnicmp(data, "brl", 3) == 0) {
1183 vol->nobrl = 0; 1197 vol->nobrl = 0;
1184 } else if ((strnicmp(data, "nobrl", 5) == 0) || 1198 } else if ((strnicmp(data, "nobrl", 5) == 0) ||
1185 (strnicmp(data, "nolock", 6) == 0)) { 1199 (strnicmp(data, "nolock", 6) == 0)) {
1186 vol->nobrl = 1; 1200 vol->nobrl = 1;
1187 /* turn off mandatory locking in mode 1201 /* turn off mandatory locking in mode
1188 if remote locking is turned off since the 1202 if remote locking is turned off since the
1189 local vfs will do advisory */ 1203 local vfs will do advisory */
1190 if (vol->file_mode == (S_IALLUGO & ~(S_ISUID | S_IXGRP))) 1204 if (vol->file_mode ==
1205 (S_IALLUGO & ~(S_ISUID | S_IXGRP)))
1191 vol->file_mode = S_IALLUGO; 1206 vol->file_mode = S_IALLUGO;
1192 } else if (strnicmp(data, "setuids", 7) == 0) { 1207 } else if (strnicmp(data, "setuids", 7) == 0) {
1193 vol->setuids = 1; 1208 vol->setuids = 1;
@@ -1201,55 +1216,61 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1201 vol->intr = 0; 1216 vol->intr = 0;
1202 } else if (strnicmp(data, "intr", 4) == 0) { 1217 } else if (strnicmp(data, "intr", 4) == 0) {
1203 vol->intr = 1; 1218 vol->intr = 1;
1204 } else if (strnicmp(data, "serverino",7) == 0) { 1219 } else if (strnicmp(data, "serverino", 7) == 0) {
1205 vol->server_ino = 1; 1220 vol->server_ino = 1;
1206 } else if (strnicmp(data, "noserverino",9) == 0) { 1221 } else if (strnicmp(data, "noserverino", 9) == 0) {
1207 vol->server_ino = 0; 1222 vol->server_ino = 0;
1208 } else if (strnicmp(data, "cifsacl",7) == 0) { 1223 } else if (strnicmp(data, "cifsacl", 7) == 0) {
1209 vol->cifs_acl = 1; 1224 vol->cifs_acl = 1;
1210 } else if (strnicmp(data, "nocifsacl", 9) == 0) { 1225 } else if (strnicmp(data, "nocifsacl", 9) == 0) {
1211 vol->cifs_acl = 0; 1226 vol->cifs_acl = 0;
1212 } else if (strnicmp(data, "acl",3) == 0) { 1227 } else if (strnicmp(data, "acl", 3) == 0) {
1213 vol->no_psx_acl = 0; 1228 vol->no_psx_acl = 0;
1214 } else if (strnicmp(data, "noacl",5) == 0) { 1229 } else if (strnicmp(data, "noacl", 5) == 0) {
1215 vol->no_psx_acl = 1; 1230 vol->no_psx_acl = 1;
1216 } else if (strnicmp(data, "sign",4) == 0) { 1231 } else if (strnicmp(data, "sign", 4) == 0) {
1217 vol->secFlg |= CIFSSEC_MUST_SIGN; 1232 vol->secFlg |= CIFSSEC_MUST_SIGN;
1218/* } else if (strnicmp(data, "seal",4) == 0) { 1233/* } else if (strnicmp(data, "seal",4) == 0) {
1219 vol->secFlg |= CIFSSEC_MUST_SEAL; */ 1234 vol->secFlg |= CIFSSEC_MUST_SEAL; */
1220 } else if (strnicmp(data, "direct",6) == 0) { 1235 } else if (strnicmp(data, "direct", 6) == 0) {
1221 vol->direct_io = 1; 1236 vol->direct_io = 1;
1222 } else if (strnicmp(data, "forcedirectio",13) == 0) { 1237 } else if (strnicmp(data, "forcedirectio", 13) == 0) {
1223 vol->direct_io = 1; 1238 vol->direct_io = 1;
1224 } else if (strnicmp(data, "in6_addr",8) == 0) { 1239 } else if (strnicmp(data, "in6_addr", 8) == 0) {
1225 if (!value || !*value) { 1240 if (!value || !*value) {
1226 vol->in6_addr = NULL; 1241 vol->in6_addr = NULL;
1227 } else if (strnlen(value, 49) == 48) { 1242 } else if (strnlen(value, 49) == 48) {
1228 vol->in6_addr = value; 1243 vol->in6_addr = value;
1229 } else { 1244 } else {
1230 printk(KERN_WARNING "CIFS: ip v6 address not 48 characters long\n"); 1245 printk(KERN_WARNING "CIFS: ip v6 address not "
1246 "48 characters long\n");
1231 return 1; 1247 return 1;
1232 } 1248 }
1233 } else if (strnicmp(data, "noac", 4) == 0) { 1249 } else if (strnicmp(data, "noac", 4) == 0) {
1234 printk(KERN_WARNING "CIFS: Mount option noac not supported. Instead set /proc/fs/cifs/LookupCacheEnabled to 0\n"); 1250 printk(KERN_WARNING "CIFS: Mount option noac not "
1251 "supported. Instead set "
1252 "/proc/fs/cifs/LookupCacheEnabled to 0\n");
1235 } else 1253 } else
1236 printk(KERN_WARNING "CIFS: Unknown mount option %s\n",data); 1254 printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
1255 data);
1237 } 1256 }
1238 if (vol->UNC == NULL) { 1257 if (vol->UNC == NULL) {
1239 if (devname == NULL) { 1258 if (devname == NULL) {
1240 printk(KERN_WARNING "CIFS: Missing UNC name for mount target\n"); 1259 printk(KERN_WARNING "CIFS: Missing UNC name for mount "
1260 "target\n");
1241 return 1; 1261 return 1;
1242 } 1262 }
1243 if ((temp_len = strnlen(devname, 300)) < 300) { 1263 if ((temp_len = strnlen(devname, 300)) < 300) {
1244 vol->UNC = kmalloc(temp_len+1,GFP_KERNEL); 1264 vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
1245 if (vol->UNC == NULL) 1265 if (vol->UNC == NULL)
1246 return 1; 1266 return 1;
1247 strcpy(vol->UNC,devname); 1267 strcpy(vol->UNC, devname);
1248 if (strncmp(vol->UNC, "//", 2) == 0) { 1268 if (strncmp(vol->UNC, "//", 2) == 0) {
1249 vol->UNC[0] = '\\'; 1269 vol->UNC[0] = '\\';
1250 vol->UNC[1] = '\\'; 1270 vol->UNC[1] = '\\';
1251 } else if (strncmp(vol->UNC, "\\\\", 2) != 0) { 1271 } else if (strncmp(vol->UNC, "\\\\", 2) != 0) {
1252 printk(KERN_WARNING "CIFS: UNC Path does not begin with // or \\\\ \n"); 1272 printk(KERN_WARNING "CIFS: UNC Path does not "
1273 "begin with // or \\\\ \n");
1253 return 1; 1274 return 1;
1254 } 1275 }
1255 } else { 1276 } else {
@@ -1264,7 +1285,7 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
1264} 1285}
1265 1286
1266static struct cifsSesInfo * 1287static struct cifsSesInfo *
1267cifs_find_tcp_session(struct in_addr * target_ip_addr, 1288cifs_find_tcp_session(struct in_addr *target_ip_addr,
1268 struct in6_addr *target_ip6_addr, 1289 struct in6_addr *target_ip6_addr,
1269 char *userName, struct TCP_Server_Info **psrvTcp) 1290 char *userName, struct TCP_Server_Info **psrvTcp)
1270{ 1291{
@@ -1276,19 +1297,25 @@ cifs_find_tcp_session(struct in_addr * target_ip_addr,
1276 list_for_each(tmp, &GlobalSMBSessionList) { 1297 list_for_each(tmp, &GlobalSMBSessionList) {
1277 ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); 1298 ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
1278 if (ses->server) { 1299 if (ses->server) {
1279 if ((target_ip_addr && 1300 if ((target_ip_addr &&
1280 (ses->server->addr.sockAddr.sin_addr.s_addr 1301 (ses->server->addr.sockAddr.sin_addr.s_addr
1281 == target_ip_addr->s_addr)) || (target_ip6_addr 1302 == target_ip_addr->s_addr)) || (target_ip6_addr
1282 && memcmp(&ses->server->addr.sockAddr6.sin6_addr, 1303 && memcmp(&ses->server->addr.sockAddr6.sin6_addr,
1283 target_ip6_addr,sizeof(*target_ip6_addr)))){ 1304 target_ip6_addr, sizeof(*target_ip6_addr)))) {
1284 /* BB lock server and tcp session and increment use count here?? */ 1305 /* BB lock server and tcp session and increment
1285 *psrvTcp = ses->server; /* found a match on the TCP session */ 1306 use count here?? */
1307
1308 /* found a match on the TCP session */
1309 *psrvTcp = ses->server;
1310
1286 /* BB check if reconnection needed */ 1311 /* BB check if reconnection needed */
1287 if (strncmp 1312 if (strncmp
1288 (ses->userName, userName, 1313 (ses->userName, userName,
1289 MAX_USERNAME_SIZE) == 0){ 1314 MAX_USERNAME_SIZE) == 0){
1290 read_unlock(&GlobalSMBSeslock); 1315 read_unlock(&GlobalSMBSeslock);
1291 return ses; /* found exact match on both tcp and SMB sessions */ 1316 /* Found exact match on both TCP and
1317 SMB sessions */
1318 return ses;
1292 } 1319 }
1293 } 1320 }
1294 } 1321 }
@@ -1319,7 +1346,8 @@ find_unc(__be32 new_target_ip_addr, char *uncName, char *userName)
1319 /* BB lock tcon, server and tcp session and increment use count here? */ 1346 /* BB lock tcon, server and tcp session and increment use count here? */
1320 /* found a match on the TCP session */ 1347 /* found a match on the TCP session */
1321 /* BB check if reconnection needed */ 1348 /* BB check if reconnection needed */
1322 cFYI(1, ("IP match, old UNC: %s new: %s", 1349 cFYI(1,
1350 ("IP match, old UNC: %s new: %s",
1323 tcon->treeName, uncName)); 1351 tcon->treeName, uncName));
1324 if (strncmp 1352 if (strncmp
1325 (tcon->treeName, uncName, 1353 (tcon->treeName, uncName,
@@ -1354,11 +1382,11 @@ connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
1354 unsigned int num_referrals; 1382 unsigned int num_referrals;
1355 int rc = 0; 1383 int rc = 0;
1356 1384
1357 rc = get_dfs_path(xid, pSesInfo,old_path, nls_codepage, 1385 rc = get_dfs_path(xid, pSesInfo, old_path, nls_codepage,
1358 &num_referrals, &referrals, remap); 1386 &num_referrals, &referrals, remap);
1359 1387
1360 /* BB Add in code to: if valid refrl, if not ip address contact 1388 /* BB Add in code to: if valid refrl, if not ip address contact
1361 the helper that resolves tcp names, mount to it, try to 1389 the helper that resolves tcp names, mount to it, try to
1362 tcon to it unmount it if fail */ 1390 tcon to it unmount it if fail */
1363 1391
1364 kfree(referrals); 1392 kfree(referrals);
@@ -1367,10 +1395,9 @@ connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
1367} 1395}
1368 1396
1369int 1397int
1370get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, 1398get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, const char *old_path,
1371 const char *old_path, const struct nls_table *nls_codepage, 1399 const struct nls_table *nls_codepage, unsigned int *pnum_referrals,
1372 unsigned int *pnum_referrals, 1400 unsigned char **preferrals, int remap)
1373 unsigned char ** preferrals, int remap)
1374{ 1401{
1375 char *temp_unc; 1402 char *temp_unc;
1376 int rc = 0; 1403 int rc = 0;
@@ -1379,7 +1406,8 @@ get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
1379 1406
1380 if (pSesInfo->ipc_tid == 0) { 1407 if (pSesInfo->ipc_tid == 0) {
1381 temp_unc = kmalloc(2 /* for slashes */ + 1408 temp_unc = kmalloc(2 /* for slashes */ +
1382 strnlen(pSesInfo->serverName,SERVER_NAME_LEN_WITH_NULL * 2) 1409 strnlen(pSesInfo->serverName,
1410 SERVER_NAME_LEN_WITH_NULL * 2)
1383 + 1 + 4 /* slash IPC$ */ + 2, 1411 + 1 + 4 /* slash IPC$ */ + 2,
1384 GFP_KERNEL); 1412 GFP_KERNEL);
1385 if (temp_unc == NULL) 1413 if (temp_unc == NULL)
@@ -1390,7 +1418,7 @@ get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
1390 strcpy(temp_unc + 2 + strlen(pSesInfo->serverName), "\\IPC$"); 1418 strcpy(temp_unc + 2 + strlen(pSesInfo->serverName), "\\IPC$");
1391 rc = CIFSTCon(xid, pSesInfo, temp_unc, NULL, nls_codepage); 1419 rc = CIFSTCon(xid, pSesInfo, temp_unc, NULL, nls_codepage);
1392 cFYI(1, 1420 cFYI(1,
1393 ("CIFS Tcon rc = %d ipc_tid = %d", rc,pSesInfo->ipc_tid)); 1421 ("CIFS Tcon rc = %d ipc_tid = %d", rc, pSesInfo->ipc_tid));
1394 kfree(temp_unc); 1422 kfree(temp_unc);
1395 } 1423 }
1396 if (rc == 0) 1424 if (rc == 0)
@@ -1401,38 +1429,39 @@ get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
1401} 1429}
1402 1430
1403/* See RFC1001 section 14 on representation of Netbios names */ 1431/* See RFC1001 section 14 on representation of Netbios names */
1404static void rfc1002mangle(char * target,char * source, unsigned int length) 1432static void rfc1002mangle(char *target, char *source, unsigned int length)
1405{ 1433{
1406 unsigned int i,j; 1434 unsigned int i, j;
1407 1435
1408 for(i=0,j=0;i<(length);i++) { 1436 for (i = 0, j = 0; i < (length); i++) {
1409 /* mask a nibble at a time and encode */ 1437 /* mask a nibble at a time and encode */
1410 target[j] = 'A' + (0x0F & (source[i] >> 4)); 1438 target[j] = 'A' + (0x0F & (source[i] >> 4));
1411 target[j+1] = 'A' + (0x0F & source[i]); 1439 target[j+1] = 'A' + (0x0F & source[i]);
1412 j+=2; 1440 j += 2;
1413 } 1441 }
1414 1442
1415} 1443}
1416 1444
1417 1445
1418static int 1446static int
1419ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket, 1447ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1420 char * netbios_name, char * target_name) 1448 char *netbios_name, char *target_name)
1421{ 1449{
1422 int rc = 0; 1450 int rc = 0;
1423 int connected = 0; 1451 int connected = 0;
1424 __be16 orig_port = 0; 1452 __be16 orig_port = 0;
1425 1453
1426 if (*csocket == NULL) { 1454 if (*csocket == NULL) {
1427 rc = sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, csocket); 1455 rc = sock_create_kern(PF_INET, SOCK_STREAM,
1456 IPPROTO_TCP, csocket);
1428 if (rc < 0) { 1457 if (rc < 0) {
1429 cERROR(1, ("Error %d creating socket",rc)); 1458 cERROR(1, ("Error %d creating socket", rc));
1430 *csocket = NULL; 1459 *csocket = NULL;
1431 return rc; 1460 return rc;
1432 } else { 1461 } else {
1433 /* BB other socket options to set KEEPALIVE, NODELAY? */ 1462 /* BB other socket options to set KEEPALIVE, NODELAY? */
1434 cFYI(1, ("Socket created")); 1463 cFYI(1, ("Socket created"));
1435 (*csocket)->sk->sk_allocation = GFP_NOFS; 1464 (*csocket)->sk->sk_allocation = GFP_NOFS;
1436 } 1465 }
1437 } 1466 }
1438 1467
@@ -1440,13 +1469,13 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1440 if (psin_server->sin_port) { /* user overrode default port */ 1469 if (psin_server->sin_port) { /* user overrode default port */
1441 rc = (*csocket)->ops->connect(*csocket, 1470 rc = (*csocket)->ops->connect(*csocket,
1442 (struct sockaddr *) psin_server, 1471 (struct sockaddr *) psin_server,
1443 sizeof (struct sockaddr_in),0); 1472 sizeof (struct sockaddr_in), 0);
1444 if (rc >= 0) 1473 if (rc >= 0)
1445 connected = 1; 1474 connected = 1;
1446 } 1475 }
1447 1476
1448 if (!connected) { 1477 if (!connected) {
1449 /* save original port so we can retry user specified port 1478 /* save original port so we can retry user specified port
1450 later if fall back ports fail this time */ 1479 later if fall back ports fail this time */
1451 orig_port = psin_server->sin_port; 1480 orig_port = psin_server->sin_port;
1452 1481
@@ -1456,7 +1485,7 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1456 1485
1457 rc = (*csocket)->ops->connect(*csocket, 1486 rc = (*csocket)->ops->connect(*csocket,
1458 (struct sockaddr *) psin_server, 1487 (struct sockaddr *) psin_server,
1459 sizeof (struct sockaddr_in),0); 1488 sizeof (struct sockaddr_in), 0);
1460 if (rc >= 0) 1489 if (rc >= 0)
1461 connected = 1; 1490 connected = 1;
1462 } 1491 }
@@ -1464,8 +1493,9 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1464 if (!connected) { 1493 if (!connected) {
1465 psin_server->sin_port = htons(RFC1001_PORT); 1494 psin_server->sin_port = htons(RFC1001_PORT);
1466 rc = (*csocket)->ops->connect(*csocket, (struct sockaddr *) 1495 rc = (*csocket)->ops->connect(*csocket, (struct sockaddr *)
1467 psin_server, sizeof (struct sockaddr_in),0); 1496 psin_server,
1468 if (rc >= 0) 1497 sizeof (struct sockaddr_in), 0);
1498 if (rc >= 0)
1469 connected = 1; 1499 connected = 1;
1470 } 1500 }
1471 1501
@@ -1474,15 +1504,16 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1474 if (!connected) { 1504 if (!connected) {
1475 if (orig_port) 1505 if (orig_port)
1476 psin_server->sin_port = orig_port; 1506 psin_server->sin_port = orig_port;
1477 cFYI(1, ("Error %d connecting to server via ipv4",rc)); 1507 cFYI(1, ("Error %d connecting to server via ipv4", rc));
1478 sock_release(*csocket); 1508 sock_release(*csocket);
1479 *csocket = NULL; 1509 *csocket = NULL;
1480 return rc; 1510 return rc;
1481 } 1511 }
1482 /* Eventually check for other socket options to change from 1512 /* Eventually check for other socket options to change from
1483 the default. sock_setsockopt not used because it expects 1513 the default. sock_setsockopt not used because it expects
1484 user space buffer */ 1514 user space buffer */
1485 cFYI(1, ("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",(*csocket)->sk->sk_sndbuf, 1515 cFYI(1, ("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",
1516 (*csocket)->sk->sk_sndbuf,
1486 (*csocket)->sk->sk_rcvbuf, (*csocket)->sk->sk_rcvtimeo)); 1517 (*csocket)->sk->sk_rcvbuf, (*csocket)->sk->sk_rcvtimeo));
1487 (*csocket)->sk->sk_rcvtimeo = 7 * HZ; 1518 (*csocket)->sk->sk_rcvtimeo = 7 * HZ;
1488 /* make the bufsizes depend on wsize/rsize and max requests */ 1519 /* make the bufsizes depend on wsize/rsize and max requests */
@@ -1494,11 +1525,12 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1494 /* send RFC1001 sessinit */ 1525 /* send RFC1001 sessinit */
1495 if (psin_server->sin_port == htons(RFC1001_PORT)) { 1526 if (psin_server->sin_port == htons(RFC1001_PORT)) {
1496 /* some servers require RFC1001 sessinit before sending 1527 /* some servers require RFC1001 sessinit before sending
1497 negprot - BB check reconnection in case where second 1528 negprot - BB check reconnection in case where second
1498 sessinit is sent but no second negprot */ 1529 sessinit is sent but no second negprot */
1499 struct rfc1002_session_packet * ses_init_buf; 1530 struct rfc1002_session_packet *ses_init_buf;
1500 struct smb_hdr * smb_buf; 1531 struct smb_hdr *smb_buf;
1501 ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet), GFP_KERNEL); 1532 ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet),
1533 GFP_KERNEL);
1502 if (ses_init_buf) { 1534 if (ses_init_buf) {
1503 ses_init_buf->trailer.session_req.called_len = 32; 1535 ses_init_buf->trailer.session_req.called_len = 32;
1504 if (target_name && (target_name[0] != 0)) { 1536 if (target_name && (target_name[0] != 0)) {
@@ -1506,18 +1538,18 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1506 target_name, 16); 1538 target_name, 16);
1507 } else { 1539 } else {
1508 rfc1002mangle(ses_init_buf->trailer.session_req.called_name, 1540 rfc1002mangle(ses_init_buf->trailer.session_req.called_name,
1509 DEFAULT_CIFS_CALLED_NAME,16); 1541 DEFAULT_CIFS_CALLED_NAME, 16);
1510 } 1542 }
1511 1543
1512 ses_init_buf->trailer.session_req.calling_len = 32; 1544 ses_init_buf->trailer.session_req.calling_len = 32;
1513 /* calling name ends in null (byte 16) from old smb 1545 /* calling name ends in null (byte 16) from old smb
1514 convention. */ 1546 convention. */
1515 if (netbios_name && (netbios_name[0] !=0)) { 1547 if (netbios_name && (netbios_name[0] != 0)) {
1516 rfc1002mangle(ses_init_buf->trailer.session_req.calling_name, 1548 rfc1002mangle(ses_init_buf->trailer.session_req.calling_name,
1517 netbios_name,16); 1549 netbios_name, 16);
1518 } else { 1550 } else {
1519 rfc1002mangle(ses_init_buf->trailer.session_req.calling_name, 1551 rfc1002mangle(ses_init_buf->trailer.session_req.calling_name,
1520 "LINUX_CIFS_CLNT",16); 1552 "LINUX_CIFS_CLNT", 16);
1521 } 1553 }
1522 ses_init_buf->trailer.session_req.scope1 = 0; 1554 ses_init_buf->trailer.session_req.scope1 = 0;
1523 ses_init_buf->trailer.session_req.scope2 = 0; 1555 ses_init_buf->trailer.session_req.scope2 = 0;
@@ -1527,20 +1559,20 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
1527 rc = smb_send(*csocket, smb_buf, 0x44, 1559 rc = smb_send(*csocket, smb_buf, 0x44,
1528 (struct sockaddr *)psin_server); 1560 (struct sockaddr *)psin_server);
1529 kfree(ses_init_buf); 1561 kfree(ses_init_buf);
1530 msleep(1); /* RFC1001 layer in at least one server 1562 msleep(1); /* RFC1001 layer in at least one server
1531 requires very short break before negprot 1563 requires very short break before negprot
1532 presumably because not expecting negprot 1564 presumably because not expecting negprot
1533 to follow so fast. This is a simple 1565 to follow so fast. This is a simple
1534 solution that works without 1566 solution that works without
1535 complicating the code and causes no 1567 complicating the code and causes no
1536 significant slowing down on mount 1568 significant slowing down on mount
1537 for everyone else */ 1569 for everyone else */
1538 } 1570 }
1539 /* else the negprot may still work without this 1571 /* else the negprot may still work without this
1540 even though malloc failed */ 1572 even though malloc failed */
1541 1573
1542 } 1574 }
1543 1575
1544 return rc; 1576 return rc;
1545} 1577}
1546 1578
@@ -1552,9 +1584,10 @@ ipv6_connect(struct sockaddr_in6 *psin_server, struct socket **csocket)
1552 __be16 orig_port = 0; 1584 __be16 orig_port = 0;
1553 1585
1554 if (*csocket == NULL) { 1586 if (*csocket == NULL) {
1555 rc = sock_create_kern(PF_INET6, SOCK_STREAM, IPPROTO_TCP, csocket); 1587 rc = sock_create_kern(PF_INET6, SOCK_STREAM,
1588 IPPROTO_TCP, csocket);
1556 if (rc < 0) { 1589 if (rc < 0) {
1557 cERROR(1, ("Error %d creating ipv6 socket",rc)); 1590 cERROR(1, ("Error %d creating ipv6 socket", rc));
1558 *csocket = NULL; 1591 *csocket = NULL;
1559 return rc; 1592 return rc;
1560 } else { 1593 } else {
@@ -1569,13 +1602,13 @@ ipv6_connect(struct sockaddr_in6 *psin_server, struct socket **csocket)
1569 if (psin_server->sin6_port) { /* user overrode default port */ 1602 if (psin_server->sin6_port) { /* user overrode default port */
1570 rc = (*csocket)->ops->connect(*csocket, 1603 rc = (*csocket)->ops->connect(*csocket,
1571 (struct sockaddr *) psin_server, 1604 (struct sockaddr *) psin_server,
1572 sizeof (struct sockaddr_in6),0); 1605 sizeof (struct sockaddr_in6), 0);
1573 if (rc >= 0) 1606 if (rc >= 0)
1574 connected = 1; 1607 connected = 1;
1575 } 1608 }
1576 1609
1577 if (!connected) { 1610 if (!connected) {
1578 /* save original port so we can retry user specified port 1611 /* save original port so we can retry user specified port
1579 later if fall back ports fail this time */ 1612 later if fall back ports fail this time */
1580 1613
1581 orig_port = psin_server->sin6_port; 1614 orig_port = psin_server->sin6_port;
@@ -1585,7 +1618,7 @@ ipv6_connect(struct sockaddr_in6 *psin_server, struct socket **csocket)
1585 1618
1586 rc = (*csocket)->ops->connect(*csocket, 1619 rc = (*csocket)->ops->connect(*csocket,
1587 (struct sockaddr *) psin_server, 1620 (struct sockaddr *) psin_server,
1588 sizeof (struct sockaddr_in6),0); 1621 sizeof (struct sockaddr_in6), 0);
1589 if (rc >= 0) 1622 if (rc >= 0)
1590 connected = 1; 1623 connected = 1;
1591 } 1624 }
@@ -1593,8 +1626,8 @@ ipv6_connect(struct sockaddr_in6 *psin_server, struct socket **csocket)
1593 if (!connected) { 1626 if (!connected) {
1594 psin_server->sin6_port = htons(RFC1001_PORT); 1627 psin_server->sin6_port = htons(RFC1001_PORT);
1595 rc = (*csocket)->ops->connect(*csocket, (struct sockaddr *) 1628 rc = (*csocket)->ops->connect(*csocket, (struct sockaddr *)
1596 psin_server, sizeof (struct sockaddr_in6),0); 1629 psin_server, sizeof (struct sockaddr_in6), 0);
1597 if (rc >= 0) 1630 if (rc >= 0)
1598 connected = 1; 1631 connected = 1;
1599 } 1632 }
1600 1633
@@ -1603,21 +1636,21 @@ ipv6_connect(struct sockaddr_in6 *psin_server, struct socket **csocket)
1603 if (!connected) { 1636 if (!connected) {
1604 if (orig_port) 1637 if (orig_port)
1605 psin_server->sin6_port = orig_port; 1638 psin_server->sin6_port = orig_port;
1606 cFYI(1, ("Error %d connecting to server via ipv6",rc)); 1639 cFYI(1, ("Error %d connecting to server via ipv6", rc));
1607 sock_release(*csocket); 1640 sock_release(*csocket);
1608 *csocket = NULL; 1641 *csocket = NULL;
1609 return rc; 1642 return rc;
1610 } 1643 }
1611 /* Eventually check for other socket options to change from 1644 /* Eventually check for other socket options to change from
1612 the default. sock_setsockopt not used because it expects 1645 the default. sock_setsockopt not used because it expects
1613 user space buffer */ 1646 user space buffer */
1614 (*csocket)->sk->sk_rcvtimeo = 7 * HZ; 1647 (*csocket)->sk->sk_rcvtimeo = 7 * HZ;
1615 1648
1616 return rc; 1649 return rc;
1617} 1650}
1618 1651
1619void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon, 1652void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
1620 struct super_block * sb, struct smb_vol * vol_info) 1653 struct super_block *sb, struct smb_vol *vol_info)
1621{ 1654{
1622 /* if we are reconnecting then should we check to see if 1655 /* if we are reconnecting then should we check to see if
1623 * any requested capabilities changed locally e.g. via 1656 * any requested capabilities changed locally e.g. via
@@ -1629,26 +1662,26 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon,
1629 * What if we wanted to mount the server share twice once with 1662 * What if we wanted to mount the server share twice once with
1630 * and once without posixacls or posix paths? */ 1663 * and once without posixacls or posix paths? */
1631 __u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability); 1664 __u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability);
1632 1665
1633 1666
1634 if (!CIFSSMBQFSUnixInfo(xid, tcon)) { 1667 if (!CIFSSMBQFSUnixInfo(xid, tcon)) {
1635 __u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability); 1668 __u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability);
1636 1669
1637 /* check for reconnect case in which we do not 1670 /* check for reconnect case in which we do not
1638 want to change the mount behavior if we can avoid it */ 1671 want to change the mount behavior if we can avoid it */
1639 if (vol_info == NULL) { 1672 if (vol_info == NULL) {
1640 /* turn off POSIX ACL and PATHNAMES if not set 1673 /* turn off POSIX ACL and PATHNAMES if not set
1641 originally at mount time */ 1674 originally at mount time */
1642 if ((saved_cap & CIFS_UNIX_POSIX_ACL_CAP) == 0) 1675 if ((saved_cap & CIFS_UNIX_POSIX_ACL_CAP) == 0)
1643 cap &= ~CIFS_UNIX_POSIX_ACL_CAP; 1676 cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
1644 if ((saved_cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) == 0) 1677 if ((saved_cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) == 0)
1645 cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP; 1678 cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
1646
1647 1679
1648 1680
1649 1681
1682
1650 } 1683 }
1651 1684
1652 cap &= CIFS_UNIX_CAP_MASK; 1685 cap &= CIFS_UNIX_CAP_MASK;
1653 if (vol_info && vol_info->no_psx_acl) 1686 if (vol_info && vol_info->no_psx_acl)
1654 cap &= ~CIFS_UNIX_POSIX_ACL_CAP; 1687 cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
@@ -1663,13 +1696,13 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon,
1663 else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) { 1696 else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
1664 cFYI(1, ("negotiate posix pathnames")); 1697 cFYI(1, ("negotiate posix pathnames"));
1665 if (sb) 1698 if (sb)
1666 CIFS_SB(sb)->mnt_cifs_flags |= 1699 CIFS_SB(sb)->mnt_cifs_flags |=
1667 CIFS_MOUNT_POSIX_PATHS; 1700 CIFS_MOUNT_POSIX_PATHS;
1668 } 1701 }
1669 1702
1670 /* We might be setting the path sep back to a different 1703 /* We might be setting the path sep back to a different
1671 form if we are reconnecting and the server switched its 1704 form if we are reconnecting and the server switched its
1672 posix path capability for this share */ 1705 posix path capability for this share */
1673 if (sb && (CIFS_SB(sb)->prepathlen > 0)) 1706 if (sb && (CIFS_SB(sb)->prepathlen > 0))
1674 CIFS_SB(sb)->prepath[0] = CIFS_DIR_SEP(CIFS_SB(sb)); 1707 CIFS_SB(sb)->prepath[0] = CIFS_DIR_SEP(CIFS_SB(sb));
1675 1708
@@ -1681,9 +1714,9 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon,
1681#endif 1714#endif
1682 } 1715 }
1683 } 1716 }
1684 1717
1685 1718
1686 cFYI(1, ("Negotiate caps 0x%x",(int)cap)); 1719 cFYI(1, ("Negotiate caps 0x%x", (int)cap));
1687#ifdef CONFIG_CIFS_DEBUG2 1720#ifdef CONFIG_CIFS_DEBUG2
1688 if (cap & CIFS_UNIX_FCNTL_CAP) 1721 if (cap & CIFS_UNIX_FCNTL_CAP)
1689 cFYI(1, ("FCNTL cap")); 1722 cFYI(1, ("FCNTL cap"));
@@ -1725,8 +1758,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1725 xid = GetXid(); 1758 xid = GetXid();
1726 1759
1727/* cFYI(1, ("Entering cifs_mount. Xid: %d with: %s", xid, mount_data)); */ 1760/* cFYI(1, ("Entering cifs_mount. Xid: %d with: %s", xid, mount_data)); */
1728 1761
1729 memset(&volume_info,0,sizeof(struct smb_vol)); 1762 memset(&volume_info, 0, sizeof(struct smb_vol));
1730 if (cifs_parse_mount_options(mount_data, devname, &volume_info)) { 1763 if (cifs_parse_mount_options(mount_data, devname, &volume_info)) {
1731 kfree(volume_info.UNC); 1764 kfree(volume_info.UNC);
1732 kfree(volume_info.password); 1765 kfree(volume_info.password);
@@ -1743,8 +1776,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1743 cFYI(1, ("Username: %s", volume_info.username)); 1776 cFYI(1, ("Username: %s", volume_info.username));
1744 } else { 1777 } else {
1745 cifserror("No username specified"); 1778 cifserror("No username specified");
1746 /* In userspace mount helper we can get user name from alternate 1779 /* In userspace mount helper we can get user name from alternate
1747 locations such as env variables and files on disk */ 1780 locations such as env variables and files on disk */
1748 kfree(volume_info.UNC); 1781 kfree(volume_info.UNC);
1749 kfree(volume_info.password); 1782 kfree(volume_info.password);
1750 kfree(volume_info.prepath); 1783 kfree(volume_info.prepath);
@@ -1753,17 +1786,19 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1753 } 1786 }
1754 1787
1755 if (volume_info.UNCip && volume_info.UNC) { 1788 if (volume_info.UNCip && volume_info.UNC) {
1756 rc = cifs_inet_pton(AF_INET, volume_info.UNCip,&sin_server.sin_addr.s_addr); 1789 rc = cifs_inet_pton(AF_INET, volume_info.UNCip,
1790 &sin_server.sin_addr.s_addr);
1757 1791
1758 if (rc <= 0) { 1792 if (rc <= 0) {
1759 /* not ipv4 address, try ipv6 */ 1793 /* not ipv4 address, try ipv6 */
1760 rc = cifs_inet_pton(AF_INET6,volume_info.UNCip,&sin_server6.sin6_addr.in6_u); 1794 rc = cifs_inet_pton(AF_INET6, volume_info.UNCip,
1795 &sin_server6.sin6_addr.in6_u);
1761 if (rc > 0) 1796 if (rc > 0)
1762 address_type = AF_INET6; 1797 address_type = AF_INET6;
1763 } else { 1798 } else {
1764 address_type = AF_INET; 1799 address_type = AF_INET;
1765 } 1800 }
1766 1801
1767 if (rc <= 0) { 1802 if (rc <= 0) {
1768 /* we failed translating address */ 1803 /* we failed translating address */
1769 kfree(volume_info.UNC); 1804 kfree(volume_info.UNC);
@@ -1776,9 +1811,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1776 cFYI(1, ("UNC: %s ip: %s", volume_info.UNC, volume_info.UNCip)); 1811 cFYI(1, ("UNC: %s ip: %s", volume_info.UNC, volume_info.UNCip));
1777 /* success */ 1812 /* success */
1778 rc = 0; 1813 rc = 0;
1779 } else if (volume_info.UNCip){ 1814 } else if (volume_info.UNCip) {
1780 /* BB using ip addr as server name connect to the DFS root below */ 1815 /* BB using ip addr as server name to connect to the
1781 cERROR(1,("Connecting to DFS root not implemented yet")); 1816 DFS root below */
1817 cERROR(1, ("Connecting to DFS root not implemented yet"));
1782 kfree(volume_info.UNC); 1818 kfree(volume_info.UNC);
1783 kfree(volume_info.password); 1819 kfree(volume_info.password);
1784 kfree(volume_info.prepath); 1820 kfree(volume_info.prepath);
@@ -1786,7 +1822,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1786 return -EINVAL; 1822 return -EINVAL;
1787 } else /* which servers DFS root would we conect to */ { 1823 } else /* which servers DFS root would we conect to */ {
1788 cERROR(1, 1824 cERROR(1,
1789 ("CIFS mount error: No UNC path (e.g. -o unc=//192.168.1.100/public) specified")); 1825 ("CIFS mount error: No UNC path (e.g. -o "
1826 "unc=//192.168.1.100/public) specified"));
1790 kfree(volume_info.UNC); 1827 kfree(volume_info.UNC);
1791 kfree(volume_info.password); 1828 kfree(volume_info.password);
1792 kfree(volume_info.prepath); 1829 kfree(volume_info.prepath);
@@ -1801,7 +1838,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1801 } else { 1838 } else {
1802 cifs_sb->local_nls = load_nls(volume_info.iocharset); 1839 cifs_sb->local_nls = load_nls(volume_info.iocharset);
1803 if (cifs_sb->local_nls == NULL) { 1840 if (cifs_sb->local_nls == NULL) {
1804 cERROR(1,("CIFS mount error: iocharset %s not found",volume_info.iocharset)); 1841 cERROR(1, ("CIFS mount error: iocharset %s not found",
1842 volume_info.iocharset));
1805 kfree(volume_info.UNC); 1843 kfree(volume_info.UNC);
1806 kfree(volume_info.password); 1844 kfree(volume_info.password);
1807 kfree(volume_info.prepath); 1845 kfree(volume_info.prepath);
@@ -1827,9 +1865,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1827 return -EINVAL; 1865 return -EINVAL;
1828 } 1866 }
1829 1867
1830
1831 if (srvTcp) { 1868 if (srvTcp) {
1832 cFYI(1, ("Existing tcp session with server found")); 1869 cFYI(1, ("Existing tcp session with server found"));
1833 } else { /* create socket */ 1870 } else { /* create socket */
1834 if (volume_info.port) 1871 if (volume_info.port)
1835 sin_server.sin_port = htons(volume_info.port); 1872 sin_server.sin_port = htons(volume_info.port);
@@ -1839,14 +1876,14 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1839 cFYI(1, ("attempting ipv6 connect")); 1876 cFYI(1, ("attempting ipv6 connect"));
1840 /* BB should we allow ipv6 on port 139? */ 1877 /* BB should we allow ipv6 on port 139? */
1841 /* other OS never observed in Wild doing 139 with v6 */ 1878 /* other OS never observed in Wild doing 139 with v6 */
1842 rc = ipv6_connect(&sin_server6,&csocket); 1879 rc = ipv6_connect(&sin_server6, &csocket);
1843 } else 1880 } else
1844 rc = ipv4_connect(&sin_server,&csocket, 1881 rc = ipv4_connect(&sin_server, &csocket,
1845 volume_info.source_rfc1001_name, 1882 volume_info.source_rfc1001_name,
1846 volume_info.target_rfc1001_name); 1883 volume_info.target_rfc1001_name);
1847 if (rc < 0) { 1884 if (rc < 0) {
1848 cERROR(1, 1885 cERROR(1, ("Error connecting to IPv4 socket. "
1849 ("Error connecting to IPv4 socket. Aborting operation")); 1886 "Aborting operation"));
1850 if (csocket != NULL) 1887 if (csocket != NULL)
1851 sock_release(csocket); 1888 sock_release(csocket);
1852 kfree(volume_info.UNC); 1889 kfree(volume_info.UNC);
@@ -1867,8 +1904,9 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1867 return rc; 1904 return rc;
1868 } else { 1905 } else {
1869 memset(srvTcp, 0, sizeof (struct TCP_Server_Info)); 1906 memset(srvTcp, 0, sizeof (struct TCP_Server_Info));
1870 memcpy(&srvTcp->addr.sockAddr, &sin_server, sizeof (struct sockaddr_in)); 1907 memcpy(&srvTcp->addr.sockAddr, &sin_server,
1871 atomic_set(&srvTcp->inFlight,0); 1908 sizeof (struct sockaddr_in));
1909 atomic_set(&srvTcp->inFlight, 0);
1872 /* BB Add code for ipv6 case too */ 1910 /* BB Add code for ipv6 case too */
1873 srvTcp->ssocket = csocket; 1911 srvTcp->ssocket = csocket;
1874 srvTcp->protocolType = IPV4; 1912 srvTcp->protocolType = IPV4;
@@ -1883,7 +1921,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1883 srvTcp->tsk = kthread_run((void *)(void *)cifs_demultiplex_thread, srvTcp, "cifsd"); 1921 srvTcp->tsk = kthread_run((void *)(void *)cifs_demultiplex_thread, srvTcp, "cifsd");
1884 if ( IS_ERR(srvTcp->tsk) ) { 1922 if ( IS_ERR(srvTcp->tsk) ) {
1885 rc = PTR_ERR(srvTcp->tsk); 1923 rc = PTR_ERR(srvTcp->tsk);
1886 cERROR(1,("error %d create cifsd thread", rc)); 1924 cERROR(1, ("error %d create cifsd thread", rc));
1887 srvTcp->tsk = NULL; 1925 srvTcp->tsk = NULL;
1888 sock_release(csocket); 1926 sock_release(csocket);
1889 kfree(volume_info.UNC); 1927 kfree(volume_info.UNC);
@@ -1894,8 +1932,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1894 } 1932 }
1895 wait_for_completion(&cifsd_complete); 1933 wait_for_completion(&cifsd_complete);
1896 rc = 0; 1934 rc = 0;
1897 memcpy(srvTcp->workstation_RFC1001_name, volume_info.source_rfc1001_name,16); 1935 memcpy(srvTcp->workstation_RFC1001_name,
1898 memcpy(srvTcp->server_RFC1001_name, volume_info.target_rfc1001_name,16); 1936 volume_info.source_rfc1001_name, 16);
1937 memcpy(srvTcp->server_RFC1001_name,
1938 volume_info.target_rfc1001_name, 16);
1899 srvTcp->sequence_number = 0; 1939 srvTcp->sequence_number = 0;
1900 } 1940 }
1901 } 1941 }
@@ -1916,16 +1956,17 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1916 NIPQUAD(sin_server.sin_addr.s_addr)); 1956 NIPQUAD(sin_server.sin_addr.s_addr));
1917 } 1957 }
1918 1958
1919 if (!rc){ 1959 if (!rc) {
1920 /* volume_info.password freed at unmount */ 1960 /* volume_info.password freed at unmount */
1921 if (volume_info.password) 1961 if (volume_info.password)
1922 pSesInfo->password = volume_info.password; 1962 pSesInfo->password = volume_info.password;
1923 if (volume_info.username) 1963 if (volume_info.username)
1924 strncpy(pSesInfo->userName, 1964 strncpy(pSesInfo->userName,
1925 volume_info.username,MAX_USERNAME_SIZE); 1965 volume_info.username,
1966 MAX_USERNAME_SIZE);
1926 if (volume_info.domainname) { 1967 if (volume_info.domainname) {
1927 int len = strlen(volume_info.domainname); 1968 int len = strlen(volume_info.domainname);
1928 pSesInfo->domainName = 1969 pSesInfo->domainName =
1929 kmalloc(len + 1, GFP_KERNEL); 1970 kmalloc(len + 1, GFP_KERNEL);
1930 if (pSesInfo->domainName) 1971 if (pSesInfo->domainName)
1931 strcpy(pSesInfo->domainName, 1972 strcpy(pSesInfo->domainName,
@@ -1935,18 +1976,19 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1935 pSesInfo->overrideSecFlg = volume_info.secFlg; 1976 pSesInfo->overrideSecFlg = volume_info.secFlg;
1936 down(&pSesInfo->sesSem); 1977 down(&pSesInfo->sesSem);
1937 /* BB FIXME need to pass vol->secFlgs BB */ 1978 /* BB FIXME need to pass vol->secFlgs BB */
1938 rc = cifs_setup_session(xid,pSesInfo, cifs_sb->local_nls); 1979 rc = cifs_setup_session(xid, pSesInfo,
1980 cifs_sb->local_nls);
1939 up(&pSesInfo->sesSem); 1981 up(&pSesInfo->sesSem);
1940 if (!rc) 1982 if (!rc)
1941 atomic_inc(&srvTcp->socketUseCount); 1983 atomic_inc(&srvTcp->socketUseCount);
1942 } else 1984 } else
1943 kfree(volume_info.password); 1985 kfree(volume_info.password);
1944 } 1986 }
1945 1987
1946 /* search for existing tcon to this server share */ 1988 /* search for existing tcon to this server share */
1947 if (!rc) { 1989 if (!rc) {
1948 if (volume_info.rsize > CIFSMaxBufSize) { 1990 if (volume_info.rsize > CIFSMaxBufSize) {
1949 cERROR(1,("rsize %d too large, using MaxBufSize", 1991 cERROR(1, ("rsize %d too large, using MaxBufSize",
1950 volume_info.rsize)); 1992 volume_info.rsize));
1951 cifs_sb->rsize = CIFSMaxBufSize; 1993 cifs_sb->rsize = CIFSMaxBufSize;
1952 } else if ((volume_info.rsize) && 1994 } else if ((volume_info.rsize) &&
@@ -1956,24 +1998,24 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1956 cifs_sb->rsize = CIFSMaxBufSize; 1998 cifs_sb->rsize = CIFSMaxBufSize;
1957 1999
1958 if (volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) { 2000 if (volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
1959 cERROR(1,("wsize %d too large, using 4096 instead", 2001 cERROR(1, ("wsize %d too large, using 4096 instead",
1960 volume_info.wsize)); 2002 volume_info.wsize));
1961 cifs_sb->wsize = 4096; 2003 cifs_sb->wsize = 4096;
1962 } else if (volume_info.wsize) 2004 } else if (volume_info.wsize)
1963 cifs_sb->wsize = volume_info.wsize; 2005 cifs_sb->wsize = volume_info.wsize;
1964 else 2006 else
1965 cifs_sb->wsize = 2007 cifs_sb->wsize =
1966 min_t(const int, PAGEVEC_SIZE * PAGE_CACHE_SIZE, 2008 min_t(const int, PAGEVEC_SIZE * PAGE_CACHE_SIZE,
1967 127*1024); 2009 127*1024);
1968 /* old default of CIFSMaxBufSize was too small now 2010 /* old default of CIFSMaxBufSize was too small now
1969 that SMB Write2 can send multiple pages in kvec. 2011 that SMB Write2 can send multiple pages in kvec.
1970 RFC1001 does not describe what happens when frame 2012 RFC1001 does not describe what happens when frame
1971 bigger than 128K is sent so use that as max in 2013 bigger than 128K is sent so use that as max in
1972 conjunction with 52K kvec constraint on arch with 4K 2014 conjunction with 52K kvec constraint on arch with 4K
1973 page size */ 2015 page size */
1974 2016
1975 if (cifs_sb->rsize < 2048) { 2017 if (cifs_sb->rsize < 2048) {
1976 cifs_sb->rsize = 2048; 2018 cifs_sb->rsize = 2048;
1977 /* Windows ME may prefer this */ 2019 /* Windows ME may prefer this */
1978 cFYI(1, ("readsize set to minimum: 2048")); 2020 cFYI(1, ("readsize set to minimum: 2048"));
1979 } 2021 }
@@ -1983,7 +2025,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1983 cifs_sb->prepathlen = strlen(cifs_sb->prepath); 2025 cifs_sb->prepathlen = strlen(cifs_sb->prepath);
1984 cifs_sb->prepath[0] = CIFS_DIR_SEP(cifs_sb); 2026 cifs_sb->prepath[0] = CIFS_DIR_SEP(cifs_sb);
1985 volume_info.prepath = NULL; 2027 volume_info.prepath = NULL;
1986 } else 2028 } else
1987 cifs_sb->prepathlen = 0; 2029 cifs_sb->prepathlen = 0;
1988 cifs_sb->mnt_uid = volume_info.linux_uid; 2030 cifs_sb->mnt_uid = volume_info.linux_uid;
1989 cifs_sb->mnt_gid = volume_info.linux_gid; 2031 cifs_sb->mnt_gid = volume_info.linux_gid;
@@ -2024,7 +2066,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2024 cFYI(1, ("Found match on UNC path")); 2066 cFYI(1, ("Found match on UNC path"));
2025 /* we can have only one retry value for a connection 2067 /* we can have only one retry value for a connection
2026 to a share so for resources mounted more than once 2068 to a share so for resources mounted more than once
2027 to the same server share the last value passed in 2069 to the same server share the last value passed in
2028 for the retry flag is used */ 2070 for the retry flag is used */
2029 tcon->retry = volume_info.retry; 2071 tcon->retry = volume_info.retry;
2030 tcon->nocase = volume_info.nocase; 2072 tcon->nocase = volume_info.nocase;
@@ -2033,17 +2075,17 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2033 if (tcon == NULL) 2075 if (tcon == NULL)
2034 rc = -ENOMEM; 2076 rc = -ENOMEM;
2035 else { 2077 else {
2036 /* check for null share name ie connecting to 2078 /* check for null share name ie connecting to
2037 * dfs root */ 2079 * dfs root */
2038 2080
2039 /* BB check if this works for exactly length 2081 /* BB check if this works for exactly length
2040 * three strings */ 2082 * three strings */
2041 if ((strchr(volume_info.UNC + 3, '\\') == NULL) 2083 if ((strchr(volume_info.UNC + 3, '\\') == NULL)
2042 && (strchr(volume_info.UNC + 3, '/') == 2084 && (strchr(volume_info.UNC + 3, '/') ==
2043 NULL)) { 2085 NULL)) {
2044 rc = connect_to_dfs_path(xid, pSesInfo, 2086 rc = connect_to_dfs_path(xid, pSesInfo,
2045 "", cifs_sb->local_nls, 2087 "", cifs_sb->local_nls,
2046 cifs_sb->mnt_cifs_flags & 2088 cifs_sb->mnt_cifs_flags &
2047 CIFS_MOUNT_MAP_SPECIAL_CHR); 2089 CIFS_MOUNT_MAP_SPECIAL_CHR);
2048 kfree(volume_info.UNC); 2090 kfree(volume_info.UNC);
2049 FreeXid(xid); 2091 FreeXid(xid);
@@ -2052,7 +2094,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2052 /* BB Do we need to wrap sesSem around 2094 /* BB Do we need to wrap sesSem around
2053 * this TCon call and Unix SetFS as 2095 * this TCon call and Unix SetFS as
2054 * we do on SessSetup and reconnect? */ 2096 * we do on SessSetup and reconnect? */
2055 rc = CIFSTCon(xid, pSesInfo, 2097 rc = CIFSTCon(xid, pSesInfo,
2056 volume_info.UNC, 2098 volume_info.UNC,
2057 tcon, cifs_sb->local_nls); 2099 tcon, cifs_sb->local_nls);
2058 cFYI(1, ("CIFS Tcon rc = %d", rc)); 2100 cFYI(1, ("CIFS Tcon rc = %d", rc));
@@ -2089,7 +2131,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2089 always wake up processes blocked in 2131 always wake up processes blocked in
2090 tcp in recv_mesg then we could remove the 2132 tcp in recv_mesg then we could remove the
2091 send_sig call */ 2133 send_sig call */
2092 force_sig(SIGKILL,srvTcp->tsk); 2134 force_sig(SIGKILL, srvTcp->tsk);
2093 tsk = srvTcp->tsk; 2135 tsk = srvTcp->tsk;
2094 if (tsk) 2136 if (tsk)
2095 kthread_stop(tsk); 2137 kthread_stop(tsk);
@@ -2100,13 +2142,13 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2100 tconInfoFree(tcon); 2142 tconInfoFree(tcon);
2101 if (existingCifsSes == NULL) { 2143 if (existingCifsSes == NULL) {
2102 if (pSesInfo) { 2144 if (pSesInfo) {
2103 if ((pSesInfo->server) && 2145 if ((pSesInfo->server) &&
2104 (pSesInfo->status == CifsGood)) { 2146 (pSesInfo->status == CifsGood)) {
2105 int temp_rc; 2147 int temp_rc;
2106 temp_rc = CIFSSMBLogoff(xid, pSesInfo); 2148 temp_rc = CIFSSMBLogoff(xid, pSesInfo);
2107 /* if the socketUseCount is now zero */ 2149 /* if the socketUseCount is now zero */
2108 if ((temp_rc == -ESHUTDOWN) && 2150 if ((temp_rc == -ESHUTDOWN) &&
2109 (pSesInfo->server) && 2151 (pSesInfo->server) &&
2110 (pSesInfo->server->tsk)) { 2152 (pSesInfo->server->tsk)) {
2111 struct task_struct *tsk; 2153 struct task_struct *tsk;
2112 force_sig(SIGKILL, 2154 force_sig(SIGKILL,
@@ -2129,7 +2171,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2129 /* do not care if following two calls succeed - informational */ 2171 /* do not care if following two calls succeed - informational */
2130 CIFSSMBQFSDeviceInfo(xid, tcon); 2172 CIFSSMBQFSDeviceInfo(xid, tcon);
2131 CIFSSMBQFSAttributeInfo(xid, tcon); 2173 CIFSSMBQFSAttributeInfo(xid, tcon);
2132 2174
2133 /* tell server which Unix caps we support */ 2175 /* tell server which Unix caps we support */
2134 if (tcon->ses->capabilities & CAP_UNIX) 2176 if (tcon->ses->capabilities & CAP_UNIX)
2135 reset_cifs_unix_caps(xid, tcon, sb, &volume_info); 2177 reset_cifs_unix_caps(xid, tcon, sb, &volume_info);
@@ -2138,16 +2180,16 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2138#ifdef CONFIG_CIFS_DEBUG2 2180#ifdef CONFIG_CIFS_DEBUG2
2139 cFYI(1, ("no very large read support, rsize 127K")); 2181 cFYI(1, ("no very large read support, rsize 127K"));
2140#endif 2182#endif
2141 2183
2142 } 2184 }
2143 if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X)) 2185 if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
2144 cifs_sb->wsize = min(cifs_sb->wsize, 2186 cifs_sb->wsize = min(cifs_sb->wsize,
2145 (tcon->ses->server->maxBuf - 2187 (tcon->ses->server->maxBuf -
2146 MAX_CIFS_HDR_SIZE)); 2188 MAX_CIFS_HDR_SIZE));
2147 if (!(tcon->ses->capabilities & CAP_LARGE_READ_X)) 2189 if (!(tcon->ses->capabilities & CAP_LARGE_READ_X))
2148 cifs_sb->rsize = min(cifs_sb->rsize, 2190 cifs_sb->rsize = min(cifs_sb->rsize,
2149 (tcon->ses->server->maxBuf - 2191 (tcon->ses->server->maxBuf -
2150 MAX_CIFS_HDR_SIZE)); 2192 MAX_CIFS_HDR_SIZE));
2151 } 2193 }
2152 2194
2153 /* volume_info.password is freed above when existing session found 2195 /* volume_info.password is freed above when existing session found
@@ -2200,7 +2242,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2200 pSMB->req_no_secext.MaxBufferSize = cpu_to_le16(ses->server->maxBuf); 2242 pSMB->req_no_secext.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
2201 pSMB->req_no_secext.MaxMpxCount = cpu_to_le16(ses->server->maxReq); 2243 pSMB->req_no_secext.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
2202 2244
2203 if (ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) 2245 if (ses->server->secMode &
2246 (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
2204 smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; 2247 smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
2205 2248
2206 capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS | 2249 capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
@@ -2219,7 +2262,7 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2219 } 2262 }
2220 pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities); 2263 pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities);
2221 2264
2222 pSMB->req_no_secext.CaseInsensitivePasswordLength = 2265 pSMB->req_no_secext.CaseInsensitivePasswordLength =
2223 cpu_to_le16(CIFS_SESS_KEY_SIZE); 2266 cpu_to_le16(CIFS_SESS_KEY_SIZE);
2224 2267
2225 pSMB->req_no_secext.CaseSensitivePasswordLength = 2268 pSMB->req_no_secext.CaseSensitivePasswordLength =
@@ -2237,9 +2280,9 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2237 } 2280 }
2238 if (user == NULL) 2281 if (user == NULL)
2239 bytes_returned = 0; /* skip null user */ 2282 bytes_returned = 0; /* skip null user */
2240 else 2283 else
2241 bytes_returned = 2284 bytes_returned =
2242 cifs_strtoUCS((__le16 *) bcc_ptr, user, 100, 2285 cifs_strtoUCS((__le16 *) bcc_ptr, user, 100,
2243 nls_codepage); 2286 nls_codepage);
2244 /* convert number of 16 bit words to bytes */ 2287 /* convert number of 16 bit words to bytes */
2245 bcc_ptr += 2 * bytes_returned; 2288 bcc_ptr += 2 * bytes_returned;
@@ -2269,7 +2312,7 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2269 bcc_ptr += 2 * bytes_returned; 2312 bcc_ptr += 2 * bytes_returned;
2270 bcc_ptr += 2; 2313 bcc_ptr += 2;
2271 } else { 2314 } else {
2272 if (user != NULL) { 2315 if (user != NULL) {
2273 strncpy(bcc_ptr, user, 200); 2316 strncpy(bcc_ptr, user, 200);
2274 bcc_ptr += strnlen(user, 200); 2317 bcc_ptr += strnlen(user, 200);
2275 } 2318 }
@@ -2304,11 +2347,12 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2304 __u16 action = le16_to_cpu(pSMBr->resp.Action); 2347 __u16 action = le16_to_cpu(pSMBr->resp.Action);
2305 __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength); 2348 __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength);
2306 if (action & GUEST_LOGIN) 2349 if (action & GUEST_LOGIN)
2307 cFYI(1, (" Guest login")); /* do we want to mark SesInfo struct ? */ 2350 cFYI(1, (" Guest login")); /* BB mark SesInfo struct? */
2308 ses->Suid = smb_buffer_response->Uid; /* UID left in wire format (le) */ 2351 ses->Suid = smb_buffer_response->Uid; /* UID left in wire format
2352 (little endian) */
2309 cFYI(1, ("UID = %d ", ses->Suid)); 2353 cFYI(1, ("UID = %d ", ses->Suid));
2310 /* response can have either 3 or 4 word count - Samba sends 3 */ 2354 /* response can have either 3 or 4 word count - Samba sends 3 */
2311 bcc_ptr = pByteArea(smb_buffer_response); 2355 bcc_ptr = pByteArea(smb_buffer_response);
2312 if ((pSMBr->resp.hdr.WordCount == 3) 2356 if ((pSMBr->resp.hdr.WordCount == 3)
2313 || ((pSMBr->resp.hdr.WordCount == 4) 2357 || ((pSMBr->resp.hdr.WordCount == 4)
2314 && (blob_len < pSMBr->resp.ByteCount))) { 2358 && (blob_len < pSMBr->resp.ByteCount))) {
@@ -2318,8 +2362,10 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2318 if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { 2362 if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
2319 if ((long) (bcc_ptr) % 2) { 2363 if ((long) (bcc_ptr) % 2) {
2320 remaining_words = 2364 remaining_words =
2321 (BCC(smb_buffer_response) - 1) /2; 2365 (BCC(smb_buffer_response) - 1) / 2;
2322 bcc_ptr++; /* Unicode strings must be word aligned */ 2366 /* Unicode strings must be word
2367 aligned */
2368 bcc_ptr++;
2323 } else { 2369 } else {
2324 remaining_words = 2370 remaining_words =
2325 BCC(smb_buffer_response) / 2; 2371 BCC(smb_buffer_response) / 2;
@@ -2332,11 +2378,13 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2332 terminating last Unicode string in response */ 2378 terminating last Unicode string in response */
2333 if (ses->serverOS) 2379 if (ses->serverOS)
2334 kfree(ses->serverOS); 2380 kfree(ses->serverOS);
2335 ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL); 2381 ses->serverOS = kzalloc(2 * (len + 1),
2382 GFP_KERNEL);
2336 if (ses->serverOS == NULL) 2383 if (ses->serverOS == NULL)
2337 goto sesssetup_nomem; 2384 goto sesssetup_nomem;
2338 cifs_strfromUCS_le(ses->serverOS, 2385 cifs_strfromUCS_le(ses->serverOS,
2339 (__le16 *)bcc_ptr, len,nls_codepage); 2386 (__le16 *)bcc_ptr,
2387 len, nls_codepage);
2340 bcc_ptr += 2 * (len + 1); 2388 bcc_ptr += 2 * (len + 1);
2341 remaining_words -= len + 1; 2389 remaining_words -= len + 1;
2342 ses->serverOS[2 * len] = 0; 2390 ses->serverOS[2 * len] = 0;
@@ -2345,42 +2393,49 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2345 len = UniStrnlen((wchar_t *)bcc_ptr, 2393 len = UniStrnlen((wchar_t *)bcc_ptr,
2346 remaining_words-1); 2394 remaining_words-1);
2347 kfree(ses->serverNOS); 2395 kfree(ses->serverNOS);
2348 ses->serverNOS = kzalloc(2 * (len + 1),GFP_KERNEL); 2396 ses->serverNOS = kzalloc(2 * (len + 1),
2397 GFP_KERNEL);
2349 if (ses->serverNOS == NULL) 2398 if (ses->serverNOS == NULL)
2350 goto sesssetup_nomem; 2399 goto sesssetup_nomem;
2351 cifs_strfromUCS_le(ses->serverNOS, 2400 cifs_strfromUCS_le(ses->serverNOS,
2352 (__le16 *)bcc_ptr,len,nls_codepage); 2401 (__le16 *)bcc_ptr,
2402 len, nls_codepage);
2353 bcc_ptr += 2 * (len + 1); 2403 bcc_ptr += 2 * (len + 1);
2354 ses->serverNOS[2 * len] = 0; 2404 ses->serverNOS[2 * len] = 0;
2355 ses->serverNOS[1 + (2 * len)] = 0; 2405 ses->serverNOS[1 + (2 * len)] = 0;
2356 if (strncmp(ses->serverNOS, 2406 if (strncmp(ses->serverNOS,
2357 "NT LAN Manager 4",16) == 0) { 2407 "NT LAN Manager 4", 16) == 0) {
2358 cFYI(1, ("NT4 server")); 2408 cFYI(1, ("NT4 server"));
2359 ses->flags |= CIFS_SES_NT4; 2409 ses->flags |= CIFS_SES_NT4;
2360 } 2410 }
2361 remaining_words -= len + 1; 2411 remaining_words -= len + 1;
2362 if (remaining_words > 0) { 2412 if (remaining_words > 0) {
2363 len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); 2413 len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
2364 /* last string is not always null terminated (for e.g. for Windows XP & 2000) */ 2414 /* last string is not always null terminated
2415 (for e.g. for Windows XP & 2000) */
2365 if (ses->serverDomain) 2416 if (ses->serverDomain)
2366 kfree(ses->serverDomain); 2417 kfree(ses->serverDomain);
2367 ses->serverDomain = 2418 ses->serverDomain =
2368 kzalloc(2*(len+1),GFP_KERNEL); 2419 kzalloc(2*(len+1),
2420 GFP_KERNEL);
2369 if (ses->serverDomain == NULL) 2421 if (ses->serverDomain == NULL)
2370 goto sesssetup_nomem; 2422 goto sesssetup_nomem;
2371 cifs_strfromUCS_le(ses->serverDomain, 2423 cifs_strfromUCS_le(ses->serverDomain,
2372 (__le16 *)bcc_ptr,len,nls_codepage); 2424 (__le16 *)bcc_ptr,
2425 len, nls_codepage);
2373 bcc_ptr += 2 * (len + 1); 2426 bcc_ptr += 2 * (len + 1);
2374 ses->serverDomain[2*len] = 0; 2427 ses->serverDomain[2*len] = 0;
2375 ses->serverDomain[1+(2*len)] = 0; 2428 ses->serverDomain[1+(2*len)] = 0;
2376 } /* else no more room so create dummy domain string */ 2429 } else { /* else no more room so create
2377 else { 2430 dummy domain string */
2378 if (ses->serverDomain) 2431 if (ses->serverDomain)
2379 kfree(ses->serverDomain); 2432 kfree(ses->serverDomain);
2380 ses->serverDomain = 2433 ses->serverDomain =
2381 kzalloc(2, GFP_KERNEL); 2434 kzalloc(2, GFP_KERNEL);
2382 } 2435 }
2383 } else { /* no room so create dummy domain and NOS string */ 2436 } else { /* no room so create dummy domain
2437 and NOS string */
2438
2384 /* if these kcallocs fail not much we 2439 /* if these kcallocs fail not much we
2385 can do, but better to not fail the 2440 can do, but better to not fail the
2386 sesssetup itself */ 2441 sesssetup itself */
@@ -2397,18 +2452,21 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2397 pByteArea(smb_buffer_response) 2452 pByteArea(smb_buffer_response)
2398 <= BCC(smb_buffer_response)) { 2453 <= BCC(smb_buffer_response)) {
2399 kfree(ses->serverOS); 2454 kfree(ses->serverOS);
2400 ses->serverOS = kzalloc(len + 1,GFP_KERNEL); 2455 ses->serverOS = kzalloc(len + 1,
2456 GFP_KERNEL);
2401 if (ses->serverOS == NULL) 2457 if (ses->serverOS == NULL)
2402 goto sesssetup_nomem; 2458 goto sesssetup_nomem;
2403 strncpy(ses->serverOS,bcc_ptr, len); 2459 strncpy(ses->serverOS, bcc_ptr, len);
2404 2460
2405 bcc_ptr += len; 2461 bcc_ptr += len;
2406 bcc_ptr[0] = 0; /* null terminate the string */ 2462 /* null terminate the string */
2463 bcc_ptr[0] = 0;
2407 bcc_ptr++; 2464 bcc_ptr++;
2408 2465
2409 len = strnlen(bcc_ptr, 1024); 2466 len = strnlen(bcc_ptr, 1024);
2410 kfree(ses->serverNOS); 2467 kfree(ses->serverNOS);
2411 ses->serverNOS = kzalloc(len + 1,GFP_KERNEL); 2468 ses->serverNOS = kzalloc(len + 1,
2469 GFP_KERNEL);
2412 if (ses->serverNOS == NULL) 2470 if (ses->serverNOS == NULL)
2413 goto sesssetup_nomem; 2471 goto sesssetup_nomem;
2414 strncpy(ses->serverNOS, bcc_ptr, len); 2472 strncpy(ses->serverNOS, bcc_ptr, len);
@@ -2419,21 +2477,25 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2419 len = strnlen(bcc_ptr, 1024); 2477 len = strnlen(bcc_ptr, 1024);
2420 if (ses->serverDomain) 2478 if (ses->serverDomain)
2421 kfree(ses->serverDomain); 2479 kfree(ses->serverDomain);
2422 ses->serverDomain = kzalloc(len + 1,GFP_KERNEL); 2480 ses->serverDomain = kzalloc(len + 1,
2481 GFP_KERNEL);
2423 if (ses->serverDomain == NULL) 2482 if (ses->serverDomain == NULL)
2424 goto sesssetup_nomem; 2483 goto sesssetup_nomem;
2425 strncpy(ses->serverDomain, bcc_ptr, len); 2484 strncpy(ses->serverDomain, bcc_ptr,
2485 len);
2426 bcc_ptr += len; 2486 bcc_ptr += len;
2427 bcc_ptr[0] = 0; 2487 bcc_ptr[0] = 0;
2428 bcc_ptr++; 2488 bcc_ptr++;
2429 } else 2489 } else
2430 cFYI(1, 2490 cFYI(1,
2431 ("Variable field of length %d extends beyond end of smb ", 2491 ("Variable field of length %d "
2492 "extends beyond end of smb ",
2432 len)); 2493 len));
2433 } 2494 }
2434 } else { 2495 } else {
2435 cERROR(1, 2496 cERROR(1,
2436 (" Security Blob Length extends beyond end of SMB")); 2497 (" Security Blob Length extends beyond "
2498 "end of SMB"));
2437 } 2499 }
2438 } else { 2500 } else {
2439 cERROR(1, 2501 cERROR(1,
@@ -2452,7 +2514,7 @@ sesssetup_nomem: /* do not return an error on nomem for the info strings,
2452 2514
2453static int 2515static int
2454CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, 2516CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2455 struct cifsSesInfo *ses, int * pNTLMv2_flag, 2517 struct cifsSesInfo *ses, int *pNTLMv2_flag,
2456 const struct nls_table *nls_codepage) 2518 const struct nls_table *nls_codepage)
2457{ 2519{
2458 struct smb_hdr *smb_buffer; 2520 struct smb_hdr *smb_buffer;
@@ -2596,11 +2658,11 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2596 __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength); 2658 __u16 blob_len = le16_to_cpu(pSMBr->resp.SecurityBlobLength);
2597 2659
2598 if (action & GUEST_LOGIN) 2660 if (action & GUEST_LOGIN)
2599 cFYI(1, (" Guest login")); 2661 cFYI(1, (" Guest login"));
2600 /* Do we want to set anything in SesInfo struct when guest login? */ 2662 /* Do we want to set anything in SesInfo struct when guest login? */
2601 2663
2602 bcc_ptr = pByteArea(smb_buffer_response); 2664 bcc_ptr = pByteArea(smb_buffer_response);
2603 /* response can have either 3 or 4 word count - Samba sends 3 */ 2665 /* response can have either 3 or 4 word count - Samba sends 3 */
2604 2666
2605 SecurityBlob2 = (PCHALLENGE_MESSAGE) bcc_ptr; 2667 SecurityBlob2 = (PCHALLENGE_MESSAGE) bcc_ptr;
2606 if (SecurityBlob2->MessageType != NtLmChallenge) { 2668 if (SecurityBlob2->MessageType != NtLmChallenge) {
@@ -2608,7 +2670,7 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2608 ("Unexpected NTLMSSP message type received %d", 2670 ("Unexpected NTLMSSP message type received %d",
2609 SecurityBlob2->MessageType)); 2671 SecurityBlob2->MessageType));
2610 } else if (ses) { 2672 } else if (ses) {
2611 ses->Suid = smb_buffer_response->Uid; /* UID left in le format */ 2673 ses->Suid = smb_buffer_response->Uid; /* UID left in le format */
2612 cFYI(1, ("UID = %d", ses->Suid)); 2674 cFYI(1, ("UID = %d", ses->Suid));
2613 if ((pSMBr->resp.hdr.WordCount == 3) 2675 if ((pSMBr->resp.hdr.WordCount == 3)
2614 || ((pSMBr->resp.hdr.WordCount == 4) 2676 || ((pSMBr->resp.hdr.WordCount == 4)
@@ -2626,18 +2688,18 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2626 memcpy(ses->server->cryptKey, 2688 memcpy(ses->server->cryptKey,
2627 SecurityBlob2->Challenge, 2689 SecurityBlob2->Challenge,
2628 CIFS_CRYPTO_KEY_SIZE); 2690 CIFS_CRYPTO_KEY_SIZE);
2629 if (SecurityBlob2->NegotiateFlags & 2691 if (SecurityBlob2->NegotiateFlags &
2630 cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2)) 2692 cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2))
2631 *pNTLMv2_flag = TRUE; 2693 *pNTLMv2_flag = TRUE;
2632 2694
2633 if ((SecurityBlob2->NegotiateFlags & 2695 if ((SecurityBlob2->NegotiateFlags &
2634 cpu_to_le32(NTLMSSP_NEGOTIATE_ALWAYS_SIGN)) 2696 cpu_to_le32(NTLMSSP_NEGOTIATE_ALWAYS_SIGN))
2635 || (sign_CIFS_PDUs > 1)) 2697 || (sign_CIFS_PDUs > 1))
2636 ses->server->secMode |= 2698 ses->server->secMode |=
2637 SECMODE_SIGN_REQUIRED; 2699 SECMODE_SIGN_REQUIRED;
2638 if ((SecurityBlob2->NegotiateFlags & 2700 if ((SecurityBlob2->NegotiateFlags &
2639 cpu_to_le32(NTLMSSP_NEGOTIATE_SIGN)) && (sign_CIFS_PDUs)) 2701 cpu_to_le32(NTLMSSP_NEGOTIATE_SIGN)) && (sign_CIFS_PDUs))
2640 ses->server->secMode |= 2702 ses->server->secMode |=
2641 SECMODE_SIGN_ENABLED; 2703 SECMODE_SIGN_ENABLED;
2642 2704
2643 if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { 2705 if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
@@ -2645,7 +2707,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2645 remaining_words = 2707 remaining_words =
2646 (BCC(smb_buffer_response) 2708 (BCC(smb_buffer_response)
2647 - 1) / 2; 2709 - 1) / 2;
2648 bcc_ptr++; /* Unicode strings must be word aligned */ 2710 /* Must word align unicode strings */
2711 bcc_ptr++;
2649 } else { 2712 } else {
2650 remaining_words = 2713 remaining_words =
2651 BCC 2714 BCC
@@ -2690,8 +2753,9 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2690 (2 * len)] = 0; 2753 (2 * len)] = 0;
2691 remaining_words -= len + 1; 2754 remaining_words -= len + 1;
2692 if (remaining_words > 0) { 2755 if (remaining_words > 0) {
2693 len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); 2756 len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
2694 /* last string is not always null terminated (for e.g. for Windows XP & 2000) */ 2757 /* last string not always null terminated
2758 (for e.g. for Windows XP & 2000) */
2695 kfree(ses->serverDomain); 2759 kfree(ses->serverDomain);
2696 ses->serverDomain = 2760 ses->serverDomain =
2697 kzalloc(2 * 2761 kzalloc(2 *
@@ -2756,7 +2820,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2756 ses->serverDomain = 2820 ses->serverDomain =
2757 kzalloc(len + 1, 2821 kzalloc(len + 1,
2758 GFP_KERNEL); 2822 GFP_KERNEL);
2759 strncpy(ses->serverDomain, bcc_ptr, len); 2823 strncpy(ses->serverDomain,
2824 bcc_ptr, len);
2760 bcc_ptr += len; 2825 bcc_ptr += len;
2761 bcc_ptr[0] = 0; 2826 bcc_ptr[0] = 0;
2762 bcc_ptr++; 2827 bcc_ptr++;
@@ -2766,8 +2831,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
2766 len)); 2831 len));
2767 } 2832 }
2768 } else { 2833 } else {
2769 cERROR(1, 2834 cERROR(1, ("Security Blob Length extends beyond"
2770 (" Security Blob Length extends beyond end of SMB")); 2835 " end of SMB"));
2771 } 2836 }
2772 } else { 2837 } else {
2773 cERROR(1, ("No session structure passed in.")); 2838 cERROR(1, ("No session structure passed in."));
@@ -2855,7 +2920,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
2855 strncpy(SecurityBlob->Signature, NTLMSSP_SIGNATURE, 8); 2920 strncpy(SecurityBlob->Signature, NTLMSSP_SIGNATURE, 8);
2856 SecurityBlob->MessageType = NtLmAuthenticate; 2921 SecurityBlob->MessageType = NtLmAuthenticate;
2857 bcc_ptr += SecurityBlobLength; 2922 bcc_ptr += SecurityBlobLength;
2858 negotiate_flags = 2923 negotiate_flags =
2859 NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_REQUEST_TARGET | 2924 NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_REQUEST_TARGET |
2860 NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_TARGET_INFO | 2925 NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_TARGET_INFO |
2861 0x80000000 | NTLMSSP_NEGOTIATE_128; 2926 0x80000000 | NTLMSSP_NEGOTIATE_128;
@@ -3017,17 +3082,20 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
3017 __u16 blob_len = 3082 __u16 blob_len =
3018 le16_to_cpu(pSMBr->resp.SecurityBlobLength); 3083 le16_to_cpu(pSMBr->resp.SecurityBlobLength);
3019 if (action & GUEST_LOGIN) 3084 if (action & GUEST_LOGIN)
3020 cFYI(1, (" Guest login")); /* BB do we want to set anything in SesInfo struct ? */ 3085 cFYI(1, (" Guest login")); /* BB Should we set anything
3021/* if (SecurityBlob2->MessageType != NtLm??){ 3086 in SesInfo struct ? */
3022 cFYI("Unexpected message type on auth response is %d ")); 3087/* if (SecurityBlob2->MessageType != NtLm??) {
3023 } */ 3088 cFYI("Unexpected message type on auth response is %d"));
3089 } */
3090
3024 if (ses) { 3091 if (ses) {
3025 cFYI(1, 3092 cFYI(1,
3026 ("Does UID on challenge %d match auth response UID %d ", 3093 ("Check challenge UID %d vs auth response UID %d",
3027 ses->Suid, smb_buffer_response->Uid)); 3094 ses->Suid, smb_buffer_response->Uid));
3028 ses->Suid = smb_buffer_response->Uid; /* UID left in wire format */ 3095 /* UID left in wire format */
3029 bcc_ptr = pByteArea(smb_buffer_response); 3096 ses->Suid = smb_buffer_response->Uid;
3030 /* response can have either 3 or 4 word count - Samba sends 3 */ 3097 bcc_ptr = pByteArea(smb_buffer_response);
3098 /* response can have either 3 or 4 word count - Samba sends 3 */
3031 if ((pSMBr->resp.hdr.WordCount == 3) 3099 if ((pSMBr->resp.hdr.WordCount == 3)
3032 || ((pSMBr->resp.hdr.WordCount == 4) 3100 || ((pSMBr->resp.hdr.WordCount == 4)
3033 && (blob_len < 3101 && (blob_len <
@@ -3089,7 +3157,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
3089 ses->serverNOS[1+(2*len)] = 0; 3157 ses->serverNOS[1+(2*len)] = 0;
3090 remaining_words -= len + 1; 3158 remaining_words -= len + 1;
3091 if (remaining_words > 0) { 3159 if (remaining_words > 0) {
3092 len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); 3160 len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
3093 /* last string not always null terminated (e.g. for Windows XP & 2000) */ 3161 /* last string not always null terminated (e.g. for Windows XP & 2000) */
3094 if (ses->serverDomain) 3162 if (ses->serverDomain)
3095 kfree(ses->serverDomain); 3163 kfree(ses->serverDomain);
@@ -3132,8 +3200,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
3132 } 3200 }
3133 } else { /* ASCII */ 3201 } else { /* ASCII */
3134 len = strnlen(bcc_ptr, 1024); 3202 len = strnlen(bcc_ptr, 1024);
3135 if (((long) bcc_ptr + len) - 3203 if (((long) bcc_ptr + len) -
3136 (long) pByteArea(smb_buffer_response) 3204 (long) pByteArea(smb_buffer_response)
3137 <= BCC(smb_buffer_response)) { 3205 <= BCC(smb_buffer_response)) {
3138 if (ses->serverOS) 3206 if (ses->serverOS)
3139 kfree(ses->serverOS); 3207 kfree(ses->serverOS);
@@ -3146,8 +3214,9 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
3146 3214
3147 len = strnlen(bcc_ptr, 1024); 3215 len = strnlen(bcc_ptr, 1024);
3148 kfree(ses->serverNOS); 3216 kfree(ses->serverNOS);
3149 ses->serverNOS = kzalloc(len+1,GFP_KERNEL); 3217 ses->serverNOS = kzalloc(len+1,
3150 strncpy(ses->serverNOS, bcc_ptr, len); 3218 GFP_KERNEL);
3219 strncpy(ses->serverNOS, bcc_ptr, len);
3151 bcc_ptr += len; 3220 bcc_ptr += len;
3152 bcc_ptr[0] = 0; 3221 bcc_ptr[0] = 0;
3153 bcc_ptr++; 3222 bcc_ptr++;
@@ -3233,7 +3302,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3233 by Samba (not sure whether other servers allow 3302 by Samba (not sure whether other servers allow
3234 NTLMv2 password here) */ 3303 NTLMv2 password here) */
3235#ifdef CONFIG_CIFS_WEAK_PW_HASH 3304#ifdef CONFIG_CIFS_WEAK_PW_HASH
3236 if ((extended_security & CIFSSEC_MAY_LANMAN) && 3305 if ((extended_security & CIFSSEC_MAY_LANMAN) &&
3237 (ses->server->secType == LANMAN)) 3306 (ses->server->secType == LANMAN))
3238 calc_lanman_hash(ses, bcc_ptr); 3307 calc_lanman_hash(ses, bcc_ptr);
3239 else 3308 else
@@ -3250,7 +3319,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3250 } 3319 }
3251 } 3320 }
3252 3321
3253 if (ses->server->secMode & 3322 if (ses->server->secMode &
3254 (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) 3323 (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
3255 smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; 3324 smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
3256 3325
@@ -3263,8 +3332,8 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3263 if (ses->capabilities & CAP_UNICODE) { 3332 if (ses->capabilities & CAP_UNICODE) {
3264 smb_buffer->Flags2 |= SMBFLG2_UNICODE; 3333 smb_buffer->Flags2 |= SMBFLG2_UNICODE;
3265 length = 3334 length =
3266 cifs_strtoUCS((__le16 *) bcc_ptr, tree, 3335 cifs_strtoUCS((__le16 *) bcc_ptr, tree,
3267 6 /* max utf8 char length in bytes */ * 3336 6 /* max utf8 char length in bytes */ *
3268 (/* server len*/ + 256 /* share len */), nls_codepage); 3337 (/* server len*/ + 256 /* share len */), nls_codepage);
3269 bcc_ptr += 2 * length; /* convert num 16 bit words to bytes */ 3338 bcc_ptr += 2 * length; /* convert num 16 bit words to bytes */
3270 bcc_ptr += 2; /* skip trailing null */ 3339 bcc_ptr += 2; /* skip trailing null */
@@ -3288,8 +3357,8 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3288 tcon->tid = smb_buffer_response->Tid; 3357 tcon->tid = smb_buffer_response->Tid;
3289 bcc_ptr = pByteArea(smb_buffer_response); 3358 bcc_ptr = pByteArea(smb_buffer_response);
3290 length = strnlen(bcc_ptr, BCC(smb_buffer_response) - 2); 3359 length = strnlen(bcc_ptr, BCC(smb_buffer_response) - 2);
3291 /* skip service field (NB: this field is always ASCII) */ 3360 /* skip service field (NB: this field is always ASCII) */
3292 bcc_ptr += length + 1; 3361 bcc_ptr += length + 1;
3293 strncpy(tcon->treeName, tree, MAX_TREE_SIZE); 3362 strncpy(tcon->treeName, tree, MAX_TREE_SIZE);
3294 if (smb_buffer->Flags2 & SMBFLG2_UNICODE) { 3363 if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
3295 length = UniStrnlen((wchar_t *) bcc_ptr, 512); 3364 length = UniStrnlen((wchar_t *) bcc_ptr, 512);
@@ -3307,7 +3376,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3307 bcc_ptr[1] = 0; 3376 bcc_ptr[1] = 0;
3308 bcc_ptr += 2; 3377 bcc_ptr += 2;
3309 } 3378 }
3310 /* else do not bother copying these informational fields */ 3379 /* else do not bother copying these information fields*/
3311 } else { 3380 } else {
3312 length = strnlen(bcc_ptr, 1024); 3381 length = strnlen(bcc_ptr, 1024);
3313 if ((bcc_ptr + length) - 3382 if ((bcc_ptr + length) -
@@ -3319,7 +3388,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3319 strncpy(tcon->nativeFileSystem, bcc_ptr, 3388 strncpy(tcon->nativeFileSystem, bcc_ptr,
3320 length); 3389 length);
3321 } 3390 }
3322 /* else do not bother copying these informational fields */ 3391 /* else do not bother copying these information fields*/
3323 } 3392 }
3324 if ((smb_buffer_response->WordCount == 3) || 3393 if ((smb_buffer_response->WordCount == 3) ||
3325 (smb_buffer_response->WordCount == 7)) 3394 (smb_buffer_response->WordCount == 7))
@@ -3329,7 +3398,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
3329 tcon->Flags = 0; 3398 tcon->Flags = 0;
3330 cFYI(1, ("Tcon flags: 0x%x ", tcon->Flags)); 3399 cFYI(1, ("Tcon flags: 0x%x ", tcon->Flags));
3331 } else if ((rc == 0) && tcon == NULL) { 3400 } else if ((rc == 0) && tcon == NULL) {
3332 /* all we need to save for IPC$ connection */ 3401 /* all we need to save for IPC$ connection */
3333 ses->ipc_tid = smb_buffer_response->Tid; 3402 ses->ipc_tid = smb_buffer_response->Tid;
3334 } 3403 }
3335 3404
@@ -3345,7 +3414,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
3345 int xid; 3414 int xid;
3346 struct cifsSesInfo *ses = NULL; 3415 struct cifsSesInfo *ses = NULL;
3347 struct task_struct *cifsd_task; 3416 struct task_struct *cifsd_task;
3348 char * tmp; 3417 char *tmp;
3349 3418
3350 xid = GetXid(); 3419 xid = GetXid();
3351 3420
@@ -3368,7 +3437,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
3368 } else if (rc == -ESHUTDOWN) { 3437 } else if (rc == -ESHUTDOWN) {
3369 cFYI(1, ("Waking up socket by sending signal")); 3438 cFYI(1, ("Waking up socket by sending signal"));
3370 if (cifsd_task) { 3439 if (cifsd_task) {
3371 force_sig(SIGKILL,cifsd_task); 3440 force_sig(SIGKILL, cifsd_task);
3372 kthread_stop(cifsd_task); 3441 kthread_stop(cifsd_task);
3373 } 3442 }
3374 rc = 0; 3443 rc = 0;
@@ -3377,7 +3446,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
3377 } else 3446 } else
3378 cFYI(1, ("No session or bad tcon")); 3447 cFYI(1, ("No session or bad tcon"));
3379 } 3448 }
3380 3449
3381 cifs_sb->tcon = NULL; 3450 cifs_sb->tcon = NULL;
3382 tmp = cifs_sb->prepath; 3451 tmp = cifs_sb->prepath;
3383 cifs_sb->prepathlen = 0; 3452 cifs_sb->prepathlen = 0;
@@ -3389,11 +3458,11 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
3389 sesInfoFree(ses); 3458 sesInfoFree(ses);
3390 3459
3391 FreeXid(xid); 3460 FreeXid(xid);
3392 return rc; /* BB check if we should always return zero here */ 3461 return rc; /* BB check if we should always return zero here */
3393} 3462}
3394 3463
3395int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, 3464int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3396 struct nls_table * nls_info) 3465 struct nls_table *nls_info)
3397{ 3466{
3398 int rc = 0; 3467 int rc = 0;
3399 char ntlm_session_key[CIFS_SESS_KEY_SIZE]; 3468 char ntlm_session_key[CIFS_SESS_KEY_SIZE];
@@ -3405,7 +3474,7 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3405 rc = CIFSSMBNegotiate(xid, pSesInfo); 3474 rc = CIFSSMBNegotiate(xid, pSesInfo);
3406 if (rc == -EAGAIN) /* retry only once on 1st time connection */ { 3475 if (rc == -EAGAIN) /* retry only once on 1st time connection */ {
3407 rc = CIFSSMBNegotiate(xid, pSesInfo); 3476 rc = CIFSSMBNegotiate(xid, pSesInfo);
3408 if (rc == -EAGAIN) 3477 if (rc == -EAGAIN)
3409 rc = -EHOSTDOWN; 3478 rc = -EHOSTDOWN;
3410 } 3479 }
3411 if (rc == 0) { 3480 if (rc == 0) {
@@ -3425,7 +3494,8 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3425 if (linuxExtEnabled == 0) 3494 if (linuxExtEnabled == 0)
3426 pSesInfo->capabilities &= (~CAP_UNIX); 3495 pSesInfo->capabilities &= (~CAP_UNIX);
3427 /* pSesInfo->sequence_number = 0;*/ 3496 /* pSesInfo->sequence_number = 0;*/
3428 cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d", 3497 cFYI(1,
3498 ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
3429 pSesInfo->server->secMode, 3499 pSesInfo->server->secMode,
3430 pSesInfo->server->capabilities, 3500 pSesInfo->server->capabilities,
3431 pSesInfo->server->timeAdj)); 3501 pSesInfo->server->timeAdj));
@@ -3433,7 +3503,7 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3433 rc = CIFS_SessSetup(xid, pSesInfo, 3503 rc = CIFS_SessSetup(xid, pSesInfo,
3434 first_time, nls_info); 3504 first_time, nls_info);
3435 else if (extended_security 3505 else if (extended_security
3436 && (pSesInfo->capabilities 3506 && (pSesInfo->capabilities
3437 & CAP_EXTENDED_SECURITY) 3507 & CAP_EXTENDED_SECURITY)
3438 && (pSesInfo->server->secType == NTLMSSP)) { 3508 && (pSesInfo->server->secType == NTLMSSP)) {
3439 rc = -EOPNOTSUPP; 3509 rc = -EOPNOTSUPP;
@@ -3447,20 +3517,21 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
3447 nls_info); 3517 nls_info);
3448 if (!rc) { 3518 if (!rc) {
3449 if (ntlmv2_flag) { 3519 if (ntlmv2_flag) {
3450 char * v2_response; 3520 char *v2_response;
3451 cFYI(1, ("more secure NTLM ver2 hash")); 3521 cFYI(1, ("more secure NTLM ver2 hash"));
3452 if (CalcNTLMv2_partial_mac_key(pSesInfo, 3522 if (CalcNTLMv2_partial_mac_key(pSesInfo,
3453 nls_info)) { 3523 nls_info)) {
3454 rc = -ENOMEM; 3524 rc = -ENOMEM;
3455 goto ss_err_exit; 3525 goto ss_err_exit;
3456 } else 3526 } else
3457 v2_response = kmalloc(16 + 64 /* blob */, GFP_KERNEL); 3527 v2_response = kmalloc(16 + 64 /* blob */, GFP_KERNEL);
3458 if (v2_response) { 3528 if (v2_response) {
3459 CalcNTLMv2_response(pSesInfo,v2_response); 3529 CalcNTLMv2_response(pSesInfo,
3530 v2_response);
3460 /* if (first_time) 3531 /* if (first_time)
3461 cifs_calculate_ntlmv2_mac_key( 3532 cifs_calculate_ntlmv2_mac_key(
3462 pSesInfo->server->mac_signing_key, 3533 pSesInfo->server->mac_signing_key,
3463 response, ntlm_session_key, */ 3534 response, ntlm_session_key,*/
3464 kfree(v2_response); 3535 kfree(v2_response);
3465 /* BB Put dummy sig in SessSetup PDU? */ 3536 /* BB Put dummy sig in SessSetup PDU? */
3466 } else { 3537 } else {
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 02:18:15 -0500