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Respect quotes and escapes when splitting exports fields.

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Without this r293305 was still unable to handle names with spaces.

MFC after:	1 week
Sponsored by:	iXsystems, Inc.
This commit is contained in:
Alexander Motin 2019-04-30 21:38:38 +00:00
parent ba761eace4
commit eb1f7f43ca
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=346976
1 changed files with 20 additions and 11 deletions
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31
usr.sbin/mountd/mountd.c
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@ -2824,18 +2824,27 @@ static void
nextfield(char **cp, char **endcp)
{
char *p;
char quot = 0;
p = *cp;
while (*p == ' ' || *p == '\t')
p++;
if (*p == '\n' || *p == '\0')
*cp = *endcp = p;
else {
*cp = p++;
while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0')
p++;
*endcp = p;
}
*cp = p;
while (*p != '\0') {
if (quot) {
if (*p == quot)
quot = 0;
} else {
if (*p == '\\' && *(p + 1) != '\0')
p++;
else if (*p == '\'' || *p == '"')
quot = *p;
else if (*p == ' ' || *p == '\t')
break;
}
p++;
};
*endcp = p;
}
/*
@ -2907,8 +2916,8 @@ parsecred(char *namelist, struct xucred *cr)
/*
* Get the user's password table entry.
*/
names = strsep_quote(&namelist, " \t\n");
name = strsep(&names, ":");
names = namelist;
name = strsep_quote(&names, ":");
/* Bug? name could be NULL here */
if (isdigit(*name) || *name == '-')
pw = getpwuid(atoi(name));
@ -2952,7 +2961,7 @@ parsecred(char *namelist, struct xucred *cr)
}
cr->cr_ngroups = 0;
while (names != NULL && *names != '\0' && cr->cr_ngroups < XU_NGROUPS) {
name = strsep(&names, ":");
name = strsep_quote(&names, ":");
if (isdigit(*name) || *name == '-') {
cr->cr_groups[cr->cr_ngroups++] = atoi(name);
} else {