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d.mon: Fix Unbounded Source Buffer in main.c file of d.mon module #4260

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merged 12 commits into from
Sep 19, 2024
+13 −8
Merged

d.mon: Fix Unbounded Source Buffer in main.c file of d.mon module #4260

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a1045f5
Fix Unbounded Source Buffer
Aug 30, 2024
c246b03
Added checks in file
Sep 1, 2024
aee6c48
added checks
Sep 1, 2024
1889258
Requested changes
Sep 5, 2024
523c36c
Updated
Sep 6, 2024
05e9f80
changes
Sep 6, 2024
9dc9fb3
Update display/d.mon/list.c
ShubhamDesai Sep 6, 2024
80c514e
Update display/d.mon/list.c
ShubhamDesai Sep 6, 2024
f04df52
updated code
Sep 6, 2024
df4e5cd
Merge remote-tracking branch 'origin/issue_41' into issue_41
Sep 6, 2024
de760d8
used G_strlcat
Sep 16, 2024
74b88c4
Requested changes for G_strlcat
Sep 18, 2024
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6 changes: 6 additions & 0 deletions display/d.mon/list.c
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,9 @@ int check_mon(const char *name)
/* list related commands for given monitor */
void list_cmd(const char *name, FILE *fd_out)
{
if (strlen(name) >= GPATH_MAX) {
G_fatal_error(_("Monitor name <%s> is too long."), name);
}
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char *mon_path;
char cmd_file[GPATH_MAX], buf[4096];
FILE *fd;
Expand Down Expand Up @@ -136,6 +139,9 @@ void list_files(const char *name, FILE *fd_out)
strcat(tmpdir, "MONITORS");
strcat(tmpdir, "/");
strcat(tmpdir, name);
if (strlen(tmpdir) >= GPATH_MAX) {
G_fatal_error(_("The path for monitor <%s> is too long."), name);
}
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G_file_name(mon_path, tmpdir, NULL, G_mapset());
fprintf(fd_out, "path=%s\n", mon_path);
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10 changes: 8 additions & 2 deletions display/d.mon/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,8 @@

#include "proto.h"

#define MONITOR_NAME_LIMIT (GPATH_MAX - strlen("/MONITORS/") - 1)

int main(int argc, char *argv[])
{
struct GModule *module;
Expand Down Expand Up @@ -176,7 +178,7 @@ int main(int argc, char *argv[])
if (list_flag->answer)
G_warning(_("Flag -%c ignored"), list_flag->key);
mon = G_getenv_nofatal("MONITOR");
if (mon) {
if (mon && strlen(mon) < MONITOR_NAME_LIMIT) {
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if (selected_flag->answer) {
G_verbose_message(_("Currently selected monitor:"));
fprintf(stdout, "%s\n", mon);
Expand All @@ -194,8 +196,12 @@ int main(int argc, char *argv[])
ret = stop_mon(mon);
}
}
else
else if (!mon) {
G_important_message(_("No monitor selected"));
}
else {
G_important_message(_("Monitor name is too long"));
}

exit(EXIT_SUCCESS);
}
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4 changes: 4 additions & 0 deletions display/d.mon/stop.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,10 @@ static int stop(const char *);

int stop_mon(const char *name)
{
if (strlen(name) >= GPATH_MAX) {
G_fatal_error(_("Monitor name <%s> is too long."), name);
}

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if (!check_mon(name)) {
G_fatal_error(_("Monitor <%s> is not running"), name);
}
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