cifs: Allow passwords which begin with a delimitor
Fixes a regression in cifs_parse_mount_options where a password which begins with a delimitor is parsed incorrectly as being a blank password. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Acked-by: Jeff Layton <jlayton@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
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@ -1575,14 +1575,24 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
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}
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break;
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case Opt_blank_pass:
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vol->password = NULL;
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break;
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case Opt_pass:
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/* passwords have to be handled differently
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* to allow the character used for deliminator
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* to be passed within them
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*/
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/*
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* Check if this is a case where the password
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* starts with a delimiter
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*/
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tmp_end = strchr(data, '=');
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tmp_end++;
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if (!(tmp_end < end && tmp_end[1] == delim)) {
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/* No it is not. Set the password to NULL */
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vol->password = NULL;
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break;
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}
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/* Yes it is. Drop down to Opt_pass below.*/
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case Opt_pass:
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/* Obtain the value string */
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value = strchr(data, '=');
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value++;
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