120 lines
4.8 KiB
C
120 lines
4.8 KiB
C
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#ifndef MODULE_WEBIF_LIB_H_
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#define MODULE_WEBIF_LIB_H_
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#ifdef WITH_SSL
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#include <openssl/crypto.h>
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#include <openssl/ssl.h>
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#include <openssl/x509v3.h>
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#include <openssl/err.h>
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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#define X509_getm_notBefore X509_get_notBefore
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#define X509_getm_notAfter X509_get_notAfter
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#endif
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#endif
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#include "cscrypt/md5.h"
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/* The server string in the http header */
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#define SERVER "webserver/1.0"
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/* The protocol that gets output. Currently only 1.0 is possible as 1.1 requires many features we don't have. */
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#define PROTOCOL "HTTP/1.0"
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/* The RFC1123 time format which is used in http headers. */
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#define RFC1123FMT "%a, %d %b %Y %H:%M:%S GMT"
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/* The realm for http digest authentication. Gets displayed to browser. */
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#define AUTHREALM "Forbidden"
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/* How long a nonce is valid in seconds after a first request with this nonce has been received. If the nonce isn't valid anymore, the browser gets a "stale=true" message and must resubmit with the current nonce. */
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#define AUTHNONCEVALIDSECS 15
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/* When a nonce gets expired after it has been first given to the client. */
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#define AUTHNONCEEXPIRATION 120
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/* The amount of hash buckets (based on opaque string) for better performance. */
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#define AUTHNONCEHASHBUCKETS 4
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/* The maximum amount of GET parameters the webserver will parse. */
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#define MAXGETPARAMS 300
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/* The refresh delay (in seconds) when stopping OSCam via http. */
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#define SHUTDOWNREFRESH 30
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/* The expiry of the certificate; 365 days */
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#define CERT_EXPIRY_TIME (60*60*24*365)
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struct s_connection
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{
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int32_t socket;
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struct s_client *cl;
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IN_ADDR_T remote;
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#ifdef WITH_SSL
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SSL *ssl;
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#endif
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};
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struct uriparams
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{
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int32_t paramcount;
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char *params[MAXGETPARAMS];
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char *values[MAXGETPARAMS];
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};
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struct s_nonce
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{
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char nonce[(MD5_DIGEST_LENGTH * 2) + 1];
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char opaque[(MD5_DIGEST_LENGTH * 2) + 1];
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time_t expirationdate;
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time_t firstuse;
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struct s_nonce *next;
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};
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// should be filled with informations for stats block
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struct pstat
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{
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uint32_t info_procs; // running procs
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int64_t utime_ticks;
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int64_t cutime_ticks;
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int64_t stime_ticks;
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int64_t cstime_ticks;
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int64_t cpu_total_time;
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uint64_t vsize; // virtual memory size in bytes
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uint64_t rss; // Resident Set Size in bytes
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uint64_t mem_total; // Total Memory in bytes
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uint64_t mem_free; // Free Memory in bytes
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uint64_t mem_used; // Used Memory in bytes
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uint64_t mem_buff; // Buffered Memory in bytes
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uint64_t mem_cached; // Cached Memory in bytes
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uint64_t mem_freem; // Buffered Memory in bytes
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uint64_t mem_share; // Shared Memory in bytes
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uint64_t mem_total_swap; // Total Swap Memory in bytes
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uint64_t mem_free_swap; // Free Swap Memory in bytes
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uint64_t mem_used_swap; // Used Swap Memory in bytes
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float cpu_avg[3]; // CPU load from "load average"
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struct timeb time_started; // needed for calculating time between function call
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int64_t gone_refresh; // time difference between CPU usage calculations in sec
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double cpu_usage_user; // user_CPU usage to display in %
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double cpu_usage_sys; // sys_CPU usage to display in %
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uint16_t check_available; // default is 0, if value x is not available,
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// set corresponding bit to 1 --> module-webif.c / set_status_info()
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};
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extern time_t parse_modifiedsince(char *value);
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extern void calculate_opaque(IN_ADDR_T addr, char *opaque);
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extern void init_noncelocks(void);
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extern void calculate_nonce(char *nonce, char *result, char *opaque);
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extern int32_t check_auth(char *authstring, char *method, char *path, IN_ADDR_T addr, char *expectednonce, char *opaque);
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extern int32_t webif_write_raw(char *buf, FILE *f, int32_t len);
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extern int32_t webif_write(char *buf, FILE *f);
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extern int32_t webif_read(char *buf, int32_t num, FILE *f);
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extern void send_headers(FILE *f, int32_t status, char *title, char *extra, char *mime, int32_t cache, int32_t length, char *content, int8_t forcePlain);
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extern void send_error(FILE *f, int32_t status, char *title, char *extra, char *text, int8_t forcePlain);
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extern void send_error500(FILE *f);
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extern void send_header304(FILE *f, char *extraheader);
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extern void send_file(FILE *f, char *filename, char *subdir, time_t modifiedheader, uint32_t etagheader, char *extraheader);
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extern void urldecode(char *s);
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extern void parseParams(struct uriparams *params, char *pch);
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extern char *getParam(struct uriparams *params, char *name);
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extern int32_t oscam_get_uptime(void);
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extern int8_t get_stats_linux(const pid_t pid, struct pstat* result);
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extern void calc_cpu_usage_pct(struct pstat* cur_usage, struct pstat* last_usage);
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#ifdef WITH_SSL
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extern SSL *cur_ssl(void);
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extern SSL_CTX *SSL_Webif_Init(void);
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#endif
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#endif
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