Esempio n. 1
0
/*
**	This function maintains backwards compatibility with the old 
**	environment variables and searches for the most common values:
**	http, ftp, news, wais, and gopher
*/
PUBLIC void HTProxy_getEnvVar (void)
{
    char buf[80];
    static const char *accesslist[] = {
	"http",
	"ftp",
	"news",
	"wais",
	"gopher",
	NULL
    };
    const char **access = accesslist;
    HTTRACE(PROT_TRACE, "Proxy....... Looking for environment variables\n");
    while (*access) {
	BOOL found = NO;
	char *gateway=NULL;
	char *proxy=NULL;

	/* Search for proxy gateways */
	if (found == NO) {
	    strcpy(buf, *access);
	    strcat(buf, "_proxy");
	    if ((proxy = (char *) getenv(buf)) && *proxy) {
		HTProxy_add(*access, proxy);
		found = YES;
	    }

	    /* Try the same with upper case */
	    if (found == NO) {
		char * up = buf;
		while ((*up = TOUPPER(*up))) up++;
		if ((proxy = (char *) getenv(buf)) && *proxy) {
		    HTProxy_add(*access, proxy);
		    found = YES;
		}
	    }
	}

	/* As a last resort, search for gateway servers */
	if (found == NO) {
	    strcpy(buf, "WWW_");
	    strcat(buf, *access);
	    strcat(buf, "_GATEWAY");
	    if ((gateway = (char *) getenv(buf)) && *gateway) {
		HTGateway_add(*access, gateway);
		found = YES;
	    }
	}
	++access;
    }

    /* Search for `noproxy' directive */
    {
	char *noproxy = getenv("no_proxy");
	if (noproxy && *noproxy) {
	    char *str = NULL;
	    char *strptr;
	    char *name;
	    StrAllocCopy(str, noproxy);		 /* Get copy we can mutilate */
	    strptr = str;
	    while ((name = HTNextField(&strptr)) != NULL) {
		char *portstr = strchr(name, ':');
		unsigned port=0;
		if (portstr) {
		    *portstr++ = '\0';
		    if (*portstr) port = (unsigned) atoi(portstr);
		}

		/* Register it for all access methods */
		HTNoProxy_add(name, NULL, port);
	    }
	    HT_FREE(str);
	}
    }
}
Esempio n. 2
0
/*	Load one line of configuration
**	------------------------------
**	Call this, for example, to load a X resource with config info.
**	Returns YES if line OK, else NO
*/
PUBLIC BOOL HTRule_parseLine (HTList * list, const char * config)
{
    HTRuleOp op;
    char * line = NULL;
    char * ptr;
    char * word1, * word2, * word3;
    int status;
    if (!config) return NO;
    if ((ptr = strchr(config, '#'))) *ptr = '\0';
    StrAllocCopy(line, config);				 /* Get our own copy */
    ptr = line;
    HTTRACE(APP_TRACE, "Rule Parse.. `%s\'\n" _ config ? config : "<null>");
    if ((word1 = HTNextField(&ptr)) == NULL) {		       /* Empty line */
	HT_FREE(line);
	return YES;
    }
    if ((word2 = HTNextField(&ptr)) == NULL) {
	HTTRACE(APP_TRACE, "Rule Parse.. Insufficient operands: `%s\'\n" _ line);
	HT_FREE(line);
	return NO;
    }
    word3 = HTNextField(&ptr);

    /* Look for things we recognize */
    if (!strcasecomp(word1, "addtype")) {
	double quality;
        char * encoding = HTNextField(&ptr);
	status = ptr ? sscanf(ptr, "%lf", &quality) : 0;
	HTBind_add(word2,				/* suffix */
		   word3,				/* type */
		   encoding ? encoding : "binary",	/* encoding */
		   NULL,				/* cte */
		   NULL,				/* language */
		   status >= 1? quality : 1.0);		/* quality */

    } else if (!strcasecomp(word1, "addencoding")) {
	double quality;
	status = ptr ? sscanf(ptr, "%lf", &quality) : 0;
	HTBind_addEncoding(word2, word3, status >= 1 ? quality : 1.0);

    } else if (!strcasecomp(word1, "addlanguage")) {
	double quality;
	status = ptr ? sscanf(ptr, "%lf", &quality) : 0;
	HTBind_addLanguage(word2, word3, status >= 1 ? quality : 1.0);

    } else if (!strcasecomp(word1, "presentation")) {
	HTList * converters = HTFormat_conversion();
	double quality, secs, secs_per_byte;
        status = ptr ? sscanf(ptr,"%lf%lf%lf",&quality,&secs,&secs_per_byte):0;
	HTPresentation_add(converters, word2, word3, NULL,
			   status >= 1 ? quality : 1.0,
			   status >= 2 ? secs : 0.0,
			   status >= 3 ? secs_per_byte : 0.0);

    } else if (!strcasecomp(word1, "proxy")) {
	HTProxy_add(word2, word3);
	
    } else if (!strcasecomp(word1, "noproxy")) {
	int port = 0;
        status = ptr ? sscanf(ptr, "%d", &port) : 0;
	HTNoProxy_add(word2, word3, port);

    } else if (!strcasecomp(word1, "gateway")) {
	HTGateway_add(word2, word3);

    } else {
	op =	0==strcasecomp(word1, "map")  ?	HT_Map
	    :	0==strcasecomp(word1, "pass") ?	HT_Pass
	    :	0==strcasecomp(word1, "fail") ?	HT_Fail
	    :					HT_Invalid;
	if (op == HT_Invalid) {
	    HTTRACE(APP_TRACE, "Rule Parse.. Bad or unknown: `%s'\n" _ config);
	} else
	    HTRule_add(list, op, word2, word3);
    }
    HT_FREE(line);
    return YES;
}