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903310c40d
qosctrl Fix. git-svn-id: http://svn.ipfire.org/svn/ipfire/trunk@806 ea5c0bd1-69bd-2848-81d8-4f18e57aeed8
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/* SmoothWall helper program - header file
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*
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* This program is distributed under the terms of the GNU General Public
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* Licence. See the file COPYING for details.
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* Simple header file for all setuid progs.
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*
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*/
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#ifndef SETUID_H
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#define SETUID_H 1
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#include <stdlib.h>
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#include <sys/types.h>
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/* As nothing in setuid.c uses STRING_SIZE specifically there's no real reason
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* to redefine it if it already is set */
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#ifndef STRING_SIZE
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#define STRING_SIZE 256
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#endif
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#define LETTERS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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#define NUMBERS "0123456789"
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#define LETTERS_NUMBERS LETTERS NUMBERS
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#define IP_NUMBERS "./" NUMBERS
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#define PORT_NUMBERS ":-" NUMBERS
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#define VALID_FQDN LETTERS_NUMBERS ".-"
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#define VALID_IP(ip) (strlen(ip) > 6 \
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&& strlen(ip) < 16 \
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&& strspn(ip, NUMBERS ".") == strlen(ip))
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#define VALID_IP_AND_MASK(ip) (strlen(ip) > 6 \
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&& strlen(ip) < 32 \
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&& strspn(ip, IP_NUMBERS) == strlen(ip))
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#define VALID_PORT(port) (strlen(port) \
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&& strlen(port) < 6 \
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&& strspn(port, NUMBERS) == strlen(port))
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#define VALID_PORT_RANGE(port) (strlen(port) \
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&& strlen(port) < 12 \
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&& strspn(port, PORT_NUMBERS) == strlen(port))
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#define VALID_SHORT_MASK(ip) (strlen(ip) > 1 \
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&& strlen(ip) < 3 \
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&& strspn(ip, NUMBERS) == strlen(ip))
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/* Can't find any info on valid characters/length hopefully these are
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* reasonable guesses */
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#define VALID_DEVICE(dev) (strlen(dev) \
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&& strlen(dev) < 16 \
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&& strspn(dev, LETTERS_NUMBERS ":.") == strlen(dev))
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/* Again, can't find any hard and fast rules for protocol names, these
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* restrictions are based on the keywords currently listed in
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* <http://www.iana.org/assignments/protocol-numbers>
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* though currently the ipcop cgis will only pass tcp, udp or gre anyway */
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#define VALID_PROTOCOL(prot) (strlen(prot) \
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&& strlen(prot) <16 \
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&& strspn(prot, LETTERS_NUMBERS "-") == strlen(prot))
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extern char * trusted_env[4];
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int system_core(char* command, uid_t uid, gid_t gid, char *error);
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int safe_system(char* command);
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int unpriv_system(char* command, uid_t uid, gid_t gid);
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size_t strlcat(char *dst, const char *src, size_t len);
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int initsetuid(void);
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/* check whether a file exists */
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int file_exists(const char *fname);
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int file_exists_w(const char *fname); //wildcard filename test
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#endif
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