#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <limits.h>
#include <netdb.h>
#include <signal.h>
#include "dpiutil.h"
#include "../dpip/dpip.h"

Include dependency graph for cookies.c:

Macros
#define	_MSG(...)

#define	MSG(...) printf("[cookies dpi]: " __VA_ARGS__)

#define	a_List_add(list, num_items, alloc_step)

#define	LINE_MAXLEN 4096

#define	MAX_DOMAIN_COOKIES 20

#define	MAX_TOTAL_COOKIES 1200

Enumerations
enum	CookieControlAction { COOKIE_ACCEPT , COOKIE_ACCEPT_SESSION , COOKIE_DENY }

Functions
static CookieControlAction	Cookies_control_check_domain (const char *domain)

static int	Cookie_control_init (void)

static void	Cookies_add_cookie (CookieData_t *cookie)

static int	Cookies_cmp (const void a, const void b)

static int	Domain_node_cmp (const void v1, const void v2)

static int	Domain_node_by_domain_cmp (const void v1, const void v2)

static void	Cookies_delete_node (DomainNode *node)

static FILE *	Cookies_fopen (const char filename, const char mode, const char *init_str)

static void	Cookies_free_cookie (CookieData_t *cookie)

static void	Cookies_tm_init (struct tm *tm)

static void	Cookies_load_cookies (FILE *stream)

static void	Cookies_init (void)

static void	Cookies_save_and_free (void)

static bool_t	Cookies_get_month (struct tm tm, const char *str)

static int	Cookies_get_timefield (const char **str)

static bool_t	Cookies_get_time (struct tm tm, const char *str)

static bool_t	Cookies_get_day (struct tm tm, const char *str)

static bool_t	Cookies_get_year (struct tm tm, const char *str)

static bool_t	Cookies_date_delim (char c)

static struct tm *	Cookies_parse_date (const char *date)

static CookieData_t *	Cookies_get_LRU (Dlist *cookies)

static int	Cookies_rm_expired_cookies (DomainNode *node)

static void	Cookies_too_many (DomainNode *node)

static char *	Cookies_parse_attr (char **cookie_str)

static char *	Cookies_parse_value (char **cookie_str)

static void	Cookies_eat_value (char **cookie_str)

static double	Cookies_server_timediff (const char *server_date)

static void	Cookies_unquote_string (char *str)

static CookieData_t *	Cookies_parse (char cookie_str, const char server_date)

static bool_t	Cookies_domain_is_ip (const char *domain)

static bool_t	Cookies_path_matches (const char url_path, const char cookie_path)

static void	Cookies_validate_path (CookieData_t cookie, const char url_path)

static bool_t	Cookies_domain_matches (char A, char B)

static uint_t	Cookies_internal_dots_required (const char *host)

static bool_t	Cookies_validate_domain (CookieData_t cookie, char host)

static int	Cookies_set (char cookie_string, char url_host, char url_path, char server_date)

static bool_t	Cookies_match (CookieData_t cookie, const char url_path, bool_t host_only_val, bool_t is_tls)

static void	Cookies_add_matching_cookies (const char domain, const char url_path, bool_t host_only_val, Dlist *matching_cookies, bool_t is_tls)

static char *	Cookies_get (char url_host, char url_path, char *url_scheme)

static int	srv_parse_tok (Dsh sh, ClientInfo client, char *Buf)

static void	cleanup (void)

static void	termination_handler (int signum)

int	main (void)

Variables
static Dlist *	all_cookies

static Dlist *	domains

static CookieControl *	ccontrol = NULL

static int	num_ccontrol = 0

static int	num_ccontrol_max = 1

static CookieControlAction	default_action = COOKIE_DENY

static long	cookies_use_counter = 0

static bool_t	disabled

static FILE *	file_stream

static const char *const	cookies_txt_header_str

static struct tm	cookies_epoch_tm = {0, 0, 0, 1, 0, 70, 0, 0, 0, 0, 0}

static time_t	cookies_epoch_time

static time_t	cookies_future_time

Macro Definition Documentation

◆ _MSG

#define _MSG ( ... )

Definition at line 57 of file cookies.c.

◆ a_List_add

#define a_List_add	(	list,
		num_items,
		alloc_step
	)

Value:

   if (!list) { \
      list = dMalloc(alloc_step * sizeof((*list))); \
   } \
   if (num_items >= alloc_step){ \
      while ( num_items >= alloc_step ) \
         alloc_step <<= 1; \
      list = dRealloc(list, alloc_step * sizeof((*list))); \
   }

Definition at line 67 of file cookies.c.

◆ LINE_MAXLEN

#define LINE_MAXLEN 4096

Definition at line 78 of file cookies.c.

◆ MAX_DOMAIN_COOKIES

#define MAX_DOMAIN_COOKIES 20

Definition at line 80 of file cookies.c.

◆ MAX_TOTAL_COOKIES

#define MAX_TOTAL_COOKIES 1200

Definition at line 81 of file cookies.c.

◆ MSG

#define MSG ( ... ) printf("[cookies dpi]: " __VA_ARGS__)

Definition at line 58 of file cookies.c.

Enumeration Type Documentation

◆ CookieControlAction

enum CookieControlAction

Enumerator
COOKIE_ACCEPT
COOKIE_ACCEPT_SESSION
COOKIE_DENY

Definition at line 83 of file cookies.c.

Function Documentation

◆ cleanup()

static void cleanup ( void )

static

Definition at line 1619 of file cookies.c.

References Cookies_save_and_free(), and MSG.

Referenced by main().

◆ Cookie_control_init()

static int Cookie_control_init ( void )

static

Definition at line 1417 of file cookies.c.

References a_List_add, ccontrol, COOKIE_ACCEPT, COOKIE_ACCEPT_SESSION, COOKIE_DENY, Cookies_fopen(), default_action, dFree(), dGethomedir(), dIsspace(), dStrAsciiCasecmp(), dStrconcat(), dStrdup(), dStrerror, dStrstrip(), FALSE, LINE_MAXLEN, MSG, num_ccontrol, num_ccontrol_max, and TRUE.

Referenced by a_Cookies_init(), and Cookies_init().

◆ Cookies_add_cookie()

static void Cookies_add_cookie ( CookieData_t * cookie )

static

Definition at line 724 of file cookies.c.

References _MSG, all_cookies, Cookies_cmp(), Cookies_delete_node(), Cookies_free_cookie(), Cookies_rm_expired_cookies(), Cookies_too_many(), cookies_use_counter, dList_append(), dList_find_custom(), dList_find_sorted(), dList_insert_sorted(), dList_length(), dList_new(), dList_remove(), dList_remove_fast(), dNew, Domain_node_by_domain_cmp(), Domain_node_cmp(), domains, dStrdup(), MAX_DOMAIN_COOKIES, and MAX_TOTAL_COOKIES.

Referenced by Cookies_load_cookies(), and Cookies_set().

◆ Cookies_add_matching_cookies()

static void Cookies_add_matching_cookies	(	const char *	domain,
		const char *	url_path,
		bool_t	host_only_val,
		Dlist *	matching_cookies,
		bool_t	is_tls
	)

static

Definition at line 1272 of file cookies.c.

References _MSG, all_cookies, Cookies_delete_node(), Cookies_free_cookie(), Cookies_match(), cookies_use_counter, dList_find_sorted(), dList_insert_pos(), dList_length(), dList_nth_data(), dList_remove(), dList_remove_fast(), Domain_node_by_domain_cmp(), and domains.

Referenced by Cookies_get().

◆ Cookies_cmp()

static int Cookies_cmp	(	const void *	a,
		const void *	b
	)

static

Definition at line 1013 of file cookies.c.

Referenced by Cookies_add_cookie().

◆ Cookies_control_check_domain()

static CookieControlAction Cookies_control_check_domain ( const char * domain )

static

Definition at line 1512 of file cookies.c.

References ccontrol, default_action, dStrAsciiCasecmp(), and num_ccontrol.

Referenced by Cookies_control_check(), Cookies_load_cookies(), and Cookies_set().

◆ Cookies_date_delim()

static bool_t Cookies_date_delim ( char c )

static

Definition at line 587 of file cookies.c.

Referenced by Cookies_parse_date().

◆ Cookies_delete_node()

static void Cookies_delete_node ( DomainNode * node )

static

Definition at line 178 of file cookies.c.

References dFree(), dList_free(), dList_remove(), and domains.

Referenced by Cookies_add_cookie(), Cookies_add_matching_cookies(), Cookies_rm_expired_cookies(), Cookies_save_and_free(), and Cookies_too_many().

◆ Cookies_domain_is_ip()

static bool_t Cookies_domain_is_ip ( const char * domain )

static

Definition at line 1025 of file cookies.c.

References _MSG, FALSE, MSG, and TRUE.

Referenced by Cookies_domain_matches(), and Cookies_get().

◆ Cookies_domain_matches()

static bool_t Cookies_domain_matches	(	char *	A,
		char *	B
	)

static

Definition at line 1095 of file cookies.c.

References Cookies_domain_is_ip(), dStrAsciiCasecmp(), FALSE, and TRUE.

Referenced by Cookies_validate_domain().

◆ Cookies_eat_value()

static void Cookies_eat_value ( char ** cookie_str )

static

Definition at line 846 of file cookies.c.

Referenced by Cookies_parse().

◆ Cookies_fopen()

static FILE * Cookies_fopen	(	const char *	filename,
		const char *	mode,
		const char *	init_str
	)

static

Definition at line 190 of file cookies.c.

References dStrerror, and MSG.

Referenced by Cookie_control_init(), and Cookies_init().

◆ Cookies_free_cookie()

static void Cookies_free_cookie ( CookieData_t * cookie )

static

Definition at line 224 of file cookies.c.

References dFree().

Referenced by Cookies_add_cookie(), Cookies_add_matching_cookies(), Cookies_load_cookies(), Cookies_rm_expired_cookies(), Cookies_save_and_free(), Cookies_set(), and Cookies_too_many().

◆ Cookies_get()

static char * Cookies_get	(	char *	url_host,
		char *	url_path,
		char *	url_scheme
	)

static

Definition at line 1320 of file cookies.c.

References Cookies_add_matching_cookies(), Cookies_domain_is_ip(), cookies_use_counter, dFree(), disabled, dList_free(), dList_length(), dList_new(), dList_nth_data(), dStr_append(), dStr_free(), dStr_new(), dStr_sprintfa(), dStrAsciiCasecmp(), dStrconcat(), dStrdup(), FALSE, MSG, Dstr::str, and TRUE.

Referenced by srv_parse_tok().

◆ Cookies_get_day()

static bool_t Cookies_get_day	(	struct tm *	tm,
		const char **	str
	)

static

Definition at line 533 of file cookies.c.

References Cookies_get_timefield(), FALSE, and TRUE.

Referenced by Cookies_parse_date().

◆ Cookies_get_LRU()

static CookieData_t * Cookies_get_LRU ( Dlist * cookies )

static

Definition at line 655 of file cookies.c.

References dList_length(), and dList_nth_data().

Referenced by Cookies_too_many().

◆ Cookies_get_month()

static bool_t Cookies_get_month	(	struct tm *	tm,
		const char **	str
	)

static

Definition at line 459 of file cookies.c.

References _MSG, dStrnAsciiCasecmp(), FALSE, and TRUE.

Referenced by Cookies_parse_date().

◆ Cookies_get_time()

static bool_t Cookies_get_time	(	struct tm *	tm,
		const char **	str
	)

static

Definition at line 507 of file cookies.c.

References Cookies_get_timefield(), FALSE, and TRUE.

Referenced by Cookies_parse_date().

◆ Cookies_get_timefield()

static int Cookies_get_timefield ( const char ** str )

static

Definition at line 484 of file cookies.c.

References dIsdigit().

Referenced by Cookies_get_day(), and Cookies_get_time().

◆ Cookies_get_year()

static bool_t Cookies_get_year	(	struct tm *	tm,
		const char **	str
	)

static

Definition at line 547 of file cookies.c.

References dIsdigit(), FALSE, and TRUE.

Referenced by Cookies_parse_date().

◆ Cookies_init()

static void Cookies_init ( void )

static

Definition at line 334 of file cookies.c.

References Cookie_control_init(), cookies_epoch_time, cookies_epoch_tm, Cookies_fopen(), cookies_future_time, Cookies_load_cookies(), cookies_txt_header_str, dFree(), dGethomedir(), disabled, dStrconcat(), file_stream, MSG, and TRUE.

Referenced by main().

◆ Cookies_internal_dots_required()

static uint_t Cookies_internal_dots_required ( const char * host )

static

Definition at line 1135 of file cookies.c.

References _MSG, and dStrnAsciiCasecmp().

Referenced by Cookies_validate_domain().

◆ Cookies_load_cookies()

static void Cookies_load_cookies ( FILE * stream )

static

Definition at line 247 of file cookies.c.

References all_cookies, COOKIE_ACCEPT_SESSION, COOKIE_DENY, Cookies_add_cookie(), Cookies_control_check_domain(), Cookies_free_cookie(), Cookies_tm_init(), dList_length(), dList_new(), dNew0, domains, dStrdup(), dStrerror, dStrsep(), dStrstrip(), FALSE, LINE_MAXLEN, MSG, and TRUE.

Referenced by Cookies_init().

◆ Cookies_match()

static bool_t Cookies_match	(	CookieData_t *	cookie,
		const char *	url_path,
		bool_t	host_only_val,
		bool_t	is_tls
	)

static

Definition at line 1254 of file cookies.c.

References Cookies_path_matches(), FALSE, and TRUE.

Referenced by Cookies_add_matching_cookies().

◆ Cookies_parse()

static CookieData_t * Cookies_parse	(	char *	cookie_str,
		const char *	server_date
	)

static

Definition at line 891 of file cookies.c.

References _MSG, Cookies_eat_value(), cookies_future_time, Cookies_parse_attr(), Cookies_parse_date(), Cookies_parse_value(), Cookies_server_timediff(), Cookies_unquote_string(), dFree(), dIsdigit(), dNew0, dStrAsciiCasecmp(), FALSE, MSG, and TRUE.

Referenced by Cookies_set().

◆ Cookies_parse_attr()

static char * Cookies_parse_attr ( char ** cookie_str )

static

Definition at line 798 of file cookies.c.

References dIsspace(), and dStrndup().

Referenced by Cookies_parse().

◆ Cookies_parse_date()

static struct tm * Cookies_parse_date ( const char * date )

static

Definition at line 605 of file cookies.c.

References Cookies_date_delim(), Cookies_get_day(), Cookies_get_month(), Cookies_get_time(), Cookies_get_year(), dFree(), dNew0, FALSE, and MSG.

Referenced by Cookies_parse(), and Cookies_server_timediff().

◆ Cookies_parse_value()

static char * Cookies_parse_value ( char ** cookie_str )

static

Definition at line 819 of file cookies.c.

References dIsspace(), and dStrndup().

Referenced by Cookies_parse().

◆ Cookies_path_matches()

static bool_t Cookies_path_matches	(	const char *	url_path,
		const char *	cookie_path
	)

static

Definition at line 1053 of file cookies.c.

References FALSE, and TRUE.

Referenced by Cookies_match().

◆ Cookies_rm_expired_cookies()

static int Cookies_rm_expired_cookies ( DomainNode * node )

static

Definition at line 676 of file cookies.c.

References all_cookies, Cookies_delete_node(), Cookies_free_cookie(), dList_find_sorted(), dList_length(), dList_nth_data(), dList_remove(), dList_remove_fast(), Domain_node_by_domain_cmp(), and domains.

Referenced by Cookies_add_cookie().

◆ Cookies_save_and_free()

static void Cookies_save_and_free ( void )

static

Definition at line 389 of file cookies.c.

References all_cookies, Cookies_delete_node(), cookies_epoch_time, Cookies_free_cookie(), cookies_txt_header_str, disabled, dList_free(), dList_nth_data(), domains, dStrerror, file_stream, LINE_MAXLEN, and MSG.

Referenced by cleanup().

◆ Cookies_server_timediff()

static double Cookies_server_timediff ( const char * server_date )

static

Definition at line 856 of file cookies.c.

References Cookies_parse_date(), and dFree().

Referenced by Cookies_parse().

◆ Cookies_set()

static int Cookies_set	(	char *	cookie_string,
		char *	url_host,
		char *	url_path,
		char *	server_date
	)

static

Definition at line 1215 of file cookies.c.

References COOKIE_ACCEPT_SESSION, COOKIE_DENY, Cookies_add_cookie(), Cookies_control_check_domain(), Cookies_free_cookie(), Cookies_parse(), Cookies_validate_domain(), Cookies_validate_path(), disabled, MSG, and TRUE.

Referenced by srv_parse_tok().

◆ Cookies_tm_init()

static void Cookies_tm_init ( struct tm * tm )

static

Definition at line 233 of file cookies.c.

References cookies_epoch_tm.

Referenced by Cookies_load_cookies().

◆ Cookies_too_many()

static void Cookies_too_many ( DomainNode * node )

static

Definition at line 707 of file cookies.c.

References all_cookies, Cookies_delete_node(), Cookies_free_cookie(), Cookies_get_LRU(), dList_find_sorted(), dList_length(), dList_remove(), dList_remove_fast(), Domain_node_by_domain_cmp(), domains, and MSG.

Referenced by Cookies_add_cookie().

◆ Cookies_unquote_string()

static void Cookies_unquote_string ( char * str )

static

Definition at line 874 of file cookies.c.

Referenced by Cookies_parse().

◆ Cookies_validate_domain()

static bool_t Cookies_validate_domain	(	CookieData_t *	cookie,
		char *	host
	)

static

Definition at line 1180 of file cookies.c.

References _MSG, Cookies_domain_matches(), Cookies_internal_dots_required(), dStrdup(), FALSE, MSG, and TRUE.

Referenced by Cookies_set().

◆ Cookies_validate_path()

static void Cookies_validate_path	(	CookieData_t *	cookie,
		const char *	url_path
	)

static

Definition at line 1075 of file cookies.c.

References dFree(), dStrdup(), and dStrndup().

Referenced by Cookies_set().

◆ Domain_node_by_domain_cmp()

static int Domain_node_by_domain_cmp	(	const void *	v1,
		const void *	v2
	)

static

Definition at line 167 of file cookies.c.

References dStrAsciiCasecmp().

Referenced by Cookies_add_cookie(), Cookies_add_matching_cookies(), Cookies_rm_expired_cookies(), and Cookies_too_many().

◆ Domain_node_cmp()

static int Domain_node_cmp	(	const void *	v1,
		const void *	v2
	)

static

Definition at line 157 of file cookies.c.

References dStrAsciiCasecmp().

Referenced by Cookies_add_cookie().

◆ main()

int main ( void )

Definition at line 1638 of file cookies.c.

References _MSG, a_Dpip_dsh_close(), a_Dpip_dsh_free(), a_Dpip_dsh_new(), a_Dpip_dsh_read_token(), cleanup(), Cookies_init(), dFree(), disabled, dNew, MSG, sh, srv_parse_tok(), Dsh::status, and termination_handler().

◆ srv_parse_tok()

static int srv_parse_tok	(	Dsh *	sh,
		ClientInfo *	client,
		char *	Buf
	)

static

Definition at line 1544 of file cookies.c.

References _MSG, a_Dpip_build_cmd(), a_Dpip_check_auth(), a_Dpip_dsh_write_str(), a_Dpip_get_attr_l(), Cookies_get(), Cookies_set(), dFree(), MSG, path(), and sh.

Referenced by main().

◆ termination_handler()

static void termination_handler ( int signum )

static

Definition at line 1629 of file cookies.c.

Referenced by main().

Variable Documentation

◆ all_cookies

Dlist* all_cookies

static

Definition at line 120 of file cookies.c.

Referenced by Cookies_add_cookie(), Cookies_add_matching_cookies(), Cookies_load_cookies(), Cookies_rm_expired_cookies(), Cookies_save_and_free(), and Cookies_too_many().

◆ ccontrol

CookieControl* ccontrol = NULL

static

Definition at line 126 of file cookies.c.

Referenced by Cookie_control_init(), and Cookies_control_check_domain().

◆ cookies_epoch_time

time_t cookies_epoch_time

static

Definition at line 143 of file cookies.c.

Referenced by Cookies_init(), and Cookies_save_and_free().

◆ cookies_epoch_tm

struct tm cookies_epoch_tm = {0, 0, 0, 1, 0, 70, 0, 0, 0, 0, 0}

static

Definition at line 142 of file cookies.c.

Referenced by Cookies_init(), and Cookies_tm_init().

◆ cookies_future_time

time_t cookies_future_time

static

Definition at line 143 of file cookies.c.

Referenced by Cookies_init(), and Cookies_parse().

◆ cookies_txt_header_str

const char* const cookies_txt_header_str

static

Initial value:

=
"# HTTP Cookie File\n"
"# This is a generated file!  Do not edit.\n"
"# [domain  subdomains  path  secure  expiry_time  name  value]\n\n"

Definition at line 134 of file cookies.c.

Referenced by Cookies_init(), and Cookies_save_and_free().

◆ cookies_use_counter

long cookies_use_counter = 0

static

Definition at line 131 of file cookies.c.

Referenced by Cookies_add_cookie(), Cookies_add_matching_cookies(), and Cookies_get().

◆ default_action

CookieControlAction default_action = COOKIE_DENY

static

Definition at line 129 of file cookies.c.

Referenced by Cookie_control_init(), and Cookies_control_check_domain().

◆ disabled

bool_t disabled

static

Definition at line 132 of file cookies.c.

Referenced by a_Cookies_get_query(), a_Cookies_init(), a_Cookies_set(), Cookies_get(), Cookies_init(), Cookies_save_and_free(), Cookies_set(), and main().

◆ domains

Dlist* domains

static

Definition at line 123 of file cookies.c.

Referenced by Cookies_add_cookie(), Cookies_add_matching_cookies(), Cookies_delete_node(), Cookies_load_cookies(), Cookies_rm_expired_cookies(), Cookies_save_and_free(), and Cookies_too_many().

◆ file_stream

FILE* file_stream

static

Definition at line 133 of file cookies.c.

Referenced by Cookies_init(), and Cookies_save_and_free().

◆ num_ccontrol

int num_ccontrol = 0

static

Definition at line 127 of file cookies.c.

Referenced by Cookie_control_init(), and Cookies_control_check_domain().

◆ num_ccontrol_max

int num_ccontrol_max = 1

static

Definition at line 128 of file cookies.c.

Referenced by Cookie_control_init().

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ _MSG

◆ a_List_add

◆ LINE_MAXLEN

◆ MAX_DOMAIN_COOKIES

◆ MAX_TOTAL_COOKIES

◆ MSG

Enumeration Type Documentation

◆ CookieControlAction

Function Documentation

◆ cleanup()

◆ Cookie_control_init()

◆ Cookies_add_cookie()

◆ Cookies_add_matching_cookies()

◆ Cookies_cmp()

◆ Cookies_control_check_domain()

◆ Cookies_date_delim()

◆ Cookies_delete_node()

◆ Cookies_domain_is_ip()

◆ Cookies_domain_matches()

◆ Cookies_eat_value()

◆ Cookies_fopen()

◆ Cookies_free_cookie()

◆ Cookies_get()

◆ Cookies_get_day()

◆ Cookies_get_LRU()

◆ Cookies_get_month()

◆ Cookies_get_time()

◆ Cookies_get_timefield()

◆ Cookies_get_year()

◆ Cookies_init()

◆ Cookies_internal_dots_required()

◆ Cookies_load_cookies()

◆ Cookies_match()

◆ Cookies_parse()

◆ Cookies_parse_attr()

◆ Cookies_parse_date()

◆ Cookies_parse_value()

◆ Cookies_path_matches()

◆ Cookies_rm_expired_cookies()

◆ Cookies_save_and_free()

◆ Cookies_server_timediff()

◆ Cookies_set()

◆ Cookies_tm_init()

◆ Cookies_too_many()

◆ Cookies_unquote_string()

◆ Cookies_validate_domain()

◆ Cookies_validate_path()

◆ Domain_node_by_domain_cmp()

◆ Domain_node_cmp()

◆ main()

◆ srv_parse_tok()

◆ termination_handler()

Variable Documentation

◆ all_cookies

◆ ccontrol

◆ cookies_epoch_time

◆ cookies_epoch_tm

◆ cookies_future_time

◆ cookies_txt_header_str

◆ cookies_use_counter

◆ default_action

◆ disabled

◆ domains

◆ file_stream

◆ num_ccontrol

◆ num_ccontrol_max