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/** \ingroup rpmio
* \file rpmio/url.c
*/
#include "system.h"
#include <sys/wait.h>
#include <rpm/rpmmacro.h>
#include <rpm/rpmlog.h>
#include <rpm/rpmurl.h>
#include <rpm/rpmio.h>
#include <rpm/argv.h>
#include <rpm/rpmstring.h>
#include "debug.h"
/**
*/
static struct urlstring {
const char * leadin;
urltype ret;
} const urlstrings[] = {
{ "file://", URL_IS_PATH },
{ "ftp://", URL_IS_FTP },
{ "hkp://", URL_IS_HKP },
{ "http://", URL_IS_HTTP },
{ "https://", URL_IS_HTTPS },
{ NULL, URL_IS_UNKNOWN }
};
urltype urlIsURL(const char * url)
{
const struct urlstring *us;
if (url && *url) {
for (us = urlstrings; us->leadin != NULL; us++) {
if (!rstreqn(url, us->leadin, strlen(us->leadin)))
continue;
return us->ret;
}
if (rstreq(url, "-"))
return URL_IS_DASH;
}
return URL_IS_UNKNOWN;
}
/* Return path portion of url (or pointer to NUL if url == NULL) */
urltype urlPath(const char * url, const char ** pathp)
{
const char *path;
urltype type;
path = url;
type = urlIsURL(url);
switch (type) {
case URL_IS_FTP:
url += sizeof("ftp://") - 1;
path = strchr(url, '/');
if (path == NULL) path = url + strlen(url);
break;
case URL_IS_PATH:
url += sizeof("file://") - 1;
path = strchr(url, '/');
if (path == NULL) path = url + strlen(url);
break;
case URL_IS_HKP:
url += sizeof("hkp://") - 1;
path = strchr(url, '/');
if (path == NULL) path = url + strlen(url);
break;
case URL_IS_HTTP:
url += sizeof("http://") - 1;
path = strchr(url, '/');
if (path == NULL) path = url + strlen(url);
break;
case URL_IS_HTTPS:
url += sizeof("https://") - 1;
path = strchr(url, '/');
if (path == NULL) path = url + strlen(url);
break;
case URL_IS_UNKNOWN:
if (path == NULL) path = "";
break;
case URL_IS_DASH:
path = "";
break;
}
if (pathp)
*pathp = path;
return type;
}
int urlGetFile(const char * url, const char * dest)
{
char *cmd = NULL;
const char *target = NULL;
char *urlhelper = NULL;
int rc;
pid_t pid, wait;
urlhelper = rpmExpand("%{?_urlhelper}", NULL);
if (dest == NULL) {
urlPath(url, &target);
} else {
target = dest;
}
/* XXX TODO: sanity checks like target == dest... */
rasprintf(&cmd, "%s %s %s", urlhelper, target, url);
urlhelper = _free(urlhelper);
if ((pid = fork()) == 0) {
ARGV_t argv = NULL;
argvSplit(&argv, cmd, " ");
execvp(argv[0], argv);
exit(127); /* exit with 127 for compatibility with bash(1) */
}
wait = waitpid(pid, &rc, 0);
cmd = _free(cmd);
return rc;
}
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