transfig/0009-CVE-2020-21681-CVE-2020-21682.patch

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Subject: [PATCH] Allow DEFAULT color in cgm and ge output and fix memory leak
in gencgm.c
---
fig2dev/dev/gencgm.c | 8 +++++++-
fig2dev/dev/genge.c | 7 ++++---
fig2dev/tests/data/line.fig | 2 +-
fig2dev/tests/output.at | 10 ++++++++++
4 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/fig2dev/dev/gencgm.c b/fig2dev/dev/gencgm.c
index 6d9d9cb..0033c36 100644
--- a/fig2dev/dev/gencgm.c
+++ b/fig2dev/dev/gencgm.c
@@ -148,9 +148,11 @@ gencgm_start(F_compound *objects)
{
int i;
char *p, *figname;
+ char *figname_buf = NULL;
if (from) {
- figname = strdup(from);
+ figname_buf = strdup(from);
+ figname = figname_buf;
p = strrchr(figname, '/');
if (p)
figname = p+1; /* remove path from name for comment in file */
@@ -252,6 +254,8 @@ gencgm_start(F_compound *objects)
print_comments("% ",objects->comments, " %");
fprintf(tfp,"%% %%\n");
}
+ if (figname_buf)
+ free(figname_buf);
}
int
@@ -549,6 +553,8 @@ hatchindex(index)
static void
getrgb(int color, int *r, int *g, int *b)
{
+ if (color < 0) /* DEFAULT color is black */
+ color = 0;
if (color < NUM_STD_COLS) {
*r = stdcols[color].r * 255.;
*g = stdcols[color].g * 255.;
diff --git a/fig2dev/dev/genge.c b/fig2dev/dev/genge.c
index 8caabf1..c2ab712 100644
--- a/fig2dev/dev/genge.c
+++ b/fig2dev/dev/genge.c
@@ -52,7 +52,8 @@ static void genge_ctl_spline(F_spline *s);
/* color mapping */
/* xfig ge */
-static int GE_COLORS[] = { 1, /* black black */
+static int GE_COLORS[] = { 1, /* DEFAULT == black */
+ 1, /* black black */
8, /* blue blue */
7, /* green green */
6, /* cyan cyan */
@@ -434,7 +435,7 @@ back_arrow(F_line *l)
static void
set_color(int col)
{
- fprintf(tfp,"c%02d ",GE_COLORS[col]);
+ fprintf(tfp,"c%02d ",GE_COLORS[col + 1]);
}
/* set fill if there is a fill style */
@@ -443,7 +444,7 @@ static void
set_fill(int style, int color)
{
if (style != UNFILLED)
- fprintf(tfp,"C%02d ",GE_COLORS[color]);
+ fprintf(tfp,"C%02d ",GE_COLORS[color + 1]);
}
/*
diff --git a/fig2dev/tests/data/line.fig b/fig2dev/tests/data/line.fig
index e033b12..bfc4976 100644
--- a/fig2dev/tests/data/line.fig
+++ b/fig2dev/tests/data/line.fig
@@ -7,5 +7,5 @@ A9
Single
-2
1200 2
-2 1 0 3 0 7 50 -1 -1 0.0 0 0 -1 0 0 3
+2 1 0 3 -1 7 50 -1 -1 0.0 0 0 -1 0 0 3
50 50 500 50 500 200
diff --git a/fig2dev/tests/output.at b/fig2dev/tests/output.at
index 9a1bc45..79788cc 100644
--- a/fig2dev/tests/output.at
+++ b/fig2dev/tests/output.at
@@ -261,3 +261,13 @@ AT_CHECK([fig2dev -L tikz -P big1.fig big1.tex && \
latex -halt-on-error big1.tex && latex -halt-on-error big2.tex
], 0, ignore)
AT_CLEANUP
+
+AT_BANNER([Test other output languages.])
+
+AT_SETUP([allow default color in ge, cgm output, #72, #73])
+AT_KEYWORDS(cgm ge)
+AT_CHECK([fig2dev -L cgm $srcdir/data/line.fig
+], 0, ignore)
+AT_CHECK([fig2dev -L ge $srcdir/data/line.fig
+], 0, ignore)
+AT_CLEANUP
--
2.31.1