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ifcfg-rh: assert that keys are valid shell names

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This commit is contained in:
Thomas Haller 2016-10-31 14:44:31 +01:00
parent 806ffbbe14
commit afc394b969
1 changed files with 17 additions and 0 deletions
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17
src/settings/plugins/ifcfg-rh/shvar.c
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@ -85,6 +85,21 @@ svParseBoolean (const char *value, gint fallback)
/*****************************************************************************/
static gboolean
_shell_is_name (const char *key)
{
/* whether @key is a valid identifier (name). */
if (!key)
return FALSE;
if ( !g_ascii_isalpha (key[0])
&& key[0] != '_')
return FALSE;
return NM_STRCHAR_ALL (&key[1], ch,
g_ascii_isalnum (ch) || ch == '_');
}
/*****************************************************************************/
#define ESC_ESCAPEES "\"'\\$~`" /* must be escaped */
#define ESC_SPACES " \t|&;()<>" /* only require "" */
#define ESC_NEWLINES "\n\r" /* will be removed */
@ -312,6 +327,8 @@ find_line (shvarFile *s, const char *key)
const char *line;
gsize len;
nm_assert (_shell_is_name (key));
len = strlen (key);
for (s->current = s->lineList; s->current; s->current = s->current->next) {