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check regex syntax at least

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Christian Grothoff 2023-05-02 21:48:23 +02:00
parent 4267f1d762
commit 8e0f9b40c0
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1 changed files with 17 additions and 0 deletions
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17
src/exchange-tools/taler-exchange-offline.c
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@ -24,6 +24,8 @@
#include "taler_json_lib.h" #include "taler_json_lib.h"
#include "taler_exchange_service.h" #include "taler_exchange_service.h"
#include "taler_extensions.h" #include "taler_extensions.h"
#include <regex.h>
/** /**
* Name of the input for the 'sign' and 'show' operation. * Name of the input for the 'sign' and 'show' operation.
@ -3017,6 +3019,21 @@ parse_restriction (char *const *args,
"Mandatory arguments for restriction of type `regex' missing (REGEX, HINT, HINT-I18 required)\n"); "Mandatory arguments for restriction of type `regex' missing (REGEX, HINT, HINT-I18 required)\n");
return -1; return -1;
} }
{
regex_t ex;
if (0 != regcomp (&ex,
args[1],
REG_NOSUB | REG_EXTENDED))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Invalid regular expression `%s'\n",
args[1]);
return -1;
}
regfree (&ex);
}
i18n = json_loads (args[3], i18n = json_loads (args[3],
JSON_REJECT_DUPLICATES, JSON_REJECT_DUPLICATES,
&err); &err);