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16be93eb0a
NGROUPS define. The previous code also under allocated space by a factor of 3 and probably lead to memory corruption.
55 lines
1,013 B
C
55 lines
1,013 B
C
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$FreeBSD$
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--- file.c.orig
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+++ file.c
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@@ -171,6 +171,7 @@
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gid_t l;
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register unsigned int i;
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int grpcnt;
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+ long ngroups_max;
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if (!fs)
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{
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@@ -212,13 +213,14 @@
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return(1);
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}
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- glist = (gid_t *)malloc(NGROUPS + 1);
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+ ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
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+ glist = (gid_t *)malloc(sizeof(gid_t) * ngroups_max);
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if (!glist)
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{
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return(-1);
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}
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- if ((grpcnt = getgroups((NGROUPS + 1), glist)) < 0)
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+ if ((grpcnt = getgroups(ngroups_max, glist)) < 0)
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{
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free(glist);
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return(-1);
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@@ -257,6 +259,7 @@
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gid_t l;
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register unsigned int i;
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int grpcnt;
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+ long ngroups_max;
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if (!fs)
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{
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@@ -298,13 +301,14 @@
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return(1);
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}
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- glist = (gid_t *)malloc(NGROUPS + 1);
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+ ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
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+ glist = (gid_t *)malloc(sizeof(gid_t) * ngroups_max);
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if (!glist)
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{
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return(-1);
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}
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- if ((grpcnt = getgroups((NGROUPS + 1), glist)) < 0)
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+ if ((grpcnt = getgroups(ngroups_max, glist)) < 0)
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{
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free(glist);
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return(-1);
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