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Released 1.8.6, Daniel.

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This commit is contained in:
Daniel Veillard
2000-01-30 20:00:07 +00:00
parent f3be931a2e
commit e41f2b74c5
27 changed files with 1789 additions and 596 deletions
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177
nanohttp.c
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@ -92,6 +92,58 @@ typedef struct xmlNanoHTTPCtxt {
char *location; /* the new URL in case of redirect */
} xmlNanoHTTPCtxt, *xmlNanoHTTPCtxtPtr;
static int initialized = 0;
static char *proxy = NULL; /* the proxy name if any */
static int proxyPort; /* the proxy port if any */
/**
* xmlNanoHTTPInit:
*
* Initialize the HTTP protocol layer.
* Currently it just checks for proxy informations
*/
void
xmlNanoHTTPInit(void) {
const char *env;
if (initialized)
return;
if (proxy == NULL) {
proxyPort = 80;
env = getenv("no_proxy");
if (env != NULL)
goto done;
env = getenv("http_proxy");
if (env != NULL) {
xmlNanoHTTPScanProxy(env);
goto done;
}
env = getenv("HTTP_PROXY");
if (env != NULL) {
xmlNanoHTTPScanProxy(env);
goto done;
}
}
done:
initialized = 1;
}
/**
* xmlNanoHTTPClenup:
*
* Cleanup the HTTP protocol layer.
*/
void
xmlNanoHTTPCleanup(void) {
if (proxy != NULL)
xmlFree(proxy);
initialized = 0;
return;
}
/**
* xmlNanoHTTPScanURL:
* @ctxt: an HTTP context
@ -120,6 +172,7 @@ xmlNanoHTTPScanURL(xmlNanoHTTPCtxtPtr ctxt, const char *URL) {
xmlFree(ctxt->path);
ctxt->path = NULL;
}
if (URL == NULL) return;
buf[index] = 0;
while (*cur != 0) {
if ((cur[0] == ':') && (cur[1] == '/') && (cur[2] == '/')) {
@ -172,6 +225,76 @@ xmlNanoHTTPScanURL(xmlNanoHTTPCtxtPtr ctxt, const char *URL) {
}
}
/**
* xmlNanoHTTPScanProxy:
* @URL: The proxy URL used to initialize the proxy context
*
* (Re)Initialize the HTTP Proxy context by parsing the URL and finding
* the protocol host port it indicates.
* Should be like http://myproxy/ or http://myproxy:3128/
* A NULL URL cleans up proxy informations.
*/
void
xmlNanoHTTPScanProxy(const char *URL) {
const char *cur = URL;
char buf[4096];
int index = 0;
int port = 0;
if (proxy != NULL) {
xmlFree(proxy);
proxy = NULL;
}
if (proxyPort != 0) {
proxyPort = 0;
}
#ifdef DEBUG_HTTP
if (URL == NULL)
printf("Removing HTTP proxy info\n");
else
printf("Using HTTP proxy %s\n", URL);
#endif
if (URL == NULL) return;
buf[index] = 0;
while (*cur != 0) {
if ((cur[0] == ':') && (cur[1] == '/') && (cur[2] == '/')) {
buf[index] = 0;
index = 0;
cur += 3;
break;
}
buf[index++] = *cur++;
}
if (*cur == 0) return;
buf[index] = 0;
while (1) {
if (cur[0] == ':') {
buf[index] = 0;
proxy = xmlMemStrdup(buf);
index = 0;
cur += 1;
while ((*cur >= '0') && (*cur <= '9')) {
port *= 10;
port += *cur - '0';
cur++;
}
if (port != 0) proxyPort = port;
while ((cur[0] != '/') && (*cur != 0))
cur++;
break;
}
if ((*cur == '/') || (*cur == 0)) {
buf[index] = 0;
proxy = xmlMemStrdup(buf);
index = 0;
break;
}
buf[index++] = *cur++;
}
}
/**
* xmlNanoHTTPNewCtxt:
* @URL: The URL used to initialize the context
@ -598,6 +721,7 @@ xmlNanoHTTPOpen(const char *URL, char **contentType) {
int nbRedirects = 0;
char *redirURL = NULL;
xmlNanoHTTPInit();
if (contentType != NULL) *contentType = NULL;
retry:
@ -618,23 +742,54 @@ retry:
xmlNanoHTTPFreeCtxt(ctxt);
return(NULL);
}
ret = xmlNanoHTTPConnectHost(ctxt->hostname, ctxt->port);
if (proxy)
ret = xmlNanoHTTPConnectHost(proxy, proxyPort);
else
ret = xmlNanoHTTPConnectHost(ctxt->hostname, ctxt->port);
if (ret < 0) {
xmlNanoHTTPFreeCtxt(ctxt);
return(NULL);
}
ctxt->fd = ret;
#ifdef HAVE_SNPRINTF
snprintf(buf, sizeof(buf),"GET %s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->path, ctxt->hostname);
if (proxy) {
#ifdef have_snprintf
if (ctxt->port != 80)
snprintf(buf, sizeof(buf),
"GET http://%s:%d%s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->hostname, ctxt->port, ctxt->path, ctxt->hostname);
else
snprintf(buf, sizeof(buf),"GET http://%s%s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->hostname, ctxt->path, ctxt->hostname);
#else
sprintf(buf, "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->path, ctxt->hostname);
if (ctxt->port != 80)
sprintf(buf,
"GET http://%s:%d%s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->hostname, ctxt->port, ctxt->path, ctxt->hostname);
else
sprintf(buf, "GET http://%s%s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->hostname, ctxt->path, ctxt->hostname);
#endif
#ifdef DEBUG_HTTP
printf("-> GET %s HTTP/1.0\n-> Host: %s\n\n",
ctxt->path, ctxt->hostname);
if (ctxt->port != 80)
printf("-> Proxy GET http://%s:%d%s HTTP/1.0\n-> Host: %s\n\n",
ctxt->hostname, ctxt->port, ctxt->path, ctxt->hostname);
else
printf("-> Proxy GET http://%s%s HTTP/1.0\n-> Host: %s\n\n",
ctxt->hostname, ctxt->path, ctxt->hostname);
#endif
} else {
#ifdef HAVE_SNPRINTF
snprintf(buf, sizeof(buf),"GET %s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->path, ctxt->hostname);
#else
sprintf(buf, "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n",
ctxt->path, ctxt->hostname);
#endif
#ifdef DEBUG_HTTP
printf("-> GET %s HTTP/1.0\n-> Host: %s\n\n",
ctxt->path, ctxt->hostname);
#endif
}
ctxt->outptr = ctxt->out = xmlMemStrdup(buf);
ctxt->state = XML_NANO_HTTP_WRITE;
xmlNanoHTTPSend(ctxt);
@ -645,6 +800,7 @@ retry:
if (head && (*p == 0)) {
head = 0;
ctxt->content = ctxt->inrptr;
xmlFree(p);
break;
}
xmlNanoHTTPScanAnswer(ctxt, p);
@ -984,7 +1140,7 @@ xmlNanoHTTPFetch(const char *URL, const char *filename, char **contentType) {
if (!strcmp(filename, "-"))
fd = 0;
else {
fd = open(filename, O_CREAT | O_WRONLY);
fd = open(filename, O_CREAT | O_WRONLY, 00644);
if (fd < 0) {
xmlNanoHTTPClose(ctxt);
if ((contentType != NULL) && (*contentType != NULL)) {
@ -1000,6 +1156,7 @@ xmlNanoHTTPFetch(const char *URL, const char *filename, char **contentType) {
}
xmlNanoHTTPClose(ctxt);
close(fd);
return(0);
}
@ -1068,6 +1225,8 @@ int main(int argc, char **argv) {
printf("%s: minimal HTTP GET implementation\n", argv[0]);
printf("\tusage %s [ URL [ filename ] ]\n", argv[0]);
}
xmlNanoHTTPCleanup();
xmlMemoryDump();
return(0);
}
#endif /* STANDALONE */