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/**
* \file lib/misc.c
*/
#include "system.h"
/* just to put a marker in librpm.a */
const char * RPMVERSION = VERSION;
#include "rpmio_internal.h"
#include <rpmurl.h>
#include <rpmmacro.h> /* XXX for rpmGetPath */
#include <rpmlib.h>
#include "legacy.h"
#include "misc.h"
#include "debug.h"
rpmRC rpmMkdirPath (const char * dpath, const char * dname)
{
struct stat st;
int rc;
if ((rc = Stat(dpath, &st)) < 0) {
int ut = urlPath(dpath, NULL);
switch (ut) {
case URL_IS_PATH:
case URL_IS_UNKNOWN:
if (errno != ENOENT)
break;
case URL_IS_HTTPS:
case URL_IS_HTTP:
case URL_IS_FTP:
rc = Mkdir(dpath, 0755);
break;
case URL_IS_DASH:
case URL_IS_HKP:
break;
}
if (rc < 0) {
rpmError(RPMERR_CREATE, _("cannot create %%%s %s\n"), dname, dpath);
return RPMRC_FAIL;
}
}
if ((rc = Access(dpath, W_OK))) {
rpmError(RPMERR_CREATE, _("cannot write to %%%s %s\n"), dname, dpath);
return RPMRC_FAIL;
}
return RPMRC_OK;
}
char ** splitString(const char * str, int length, char sep)
{
const char * source;
char * s, * dest;
char ** list;
int i;
int fields;
s = xmalloc(length + 1);
fields = 1;
for (source = str, dest = s, i = 0; i < length; i++, source++, dest++) {
*dest = *source;
if (*dest == sep) fields++;
}
*dest = '\0';
list = xmalloc(sizeof(*list) * (fields + 1));
dest = s;
list[0] = dest;
i = 1;
while (i < fields) {
if (*dest == sep) {
list[i++] = dest + 1;
*dest = 0;
}
dest++;
}
list[i] = NULL;
/* FIX: list[i] is NULL */
return list;
}
void freeSplitString(char ** list)
{
list[0] = _free(list[0]);
list = _free(list);
}
int doputenv(const char *str)
{
char * a;
/* FIXME: this leaks memory! */
a = xmalloc(strlen(str) + 1);
strcpy(a, str);
return putenv(a);
}
int dosetenv(const char * name, const char * value, int overwrite)
{
char * a;
if (!overwrite && getenv(name)) return 0;
/* FIXME: this leaks memory! */
a = xmalloc(strlen(name) + strlen(value) + sizeof("="));
(void) stpcpy( stpcpy( stpcpy( a, name), "="), value);
return putenv(a);
}
int makeTempFile(const char * prefix, const char ** fnptr, FD_t * fdptr)
{
const char * tpmacro = "%{?_tmppath:%{_tmppath}}%{!?_tmppath:" LOCALSTATEDIR "/tmp}";
const char * tempfn = NULL;
const char * tfn = NULL;
static int _initialized = 0;
int temput;
FD_t fd = NULL;
int ran;
if (!prefix) prefix = "";
/* Create the temp directory if it doesn't already exist. */
if (!_initialized) {
_initialized = 1;
tempfn = rpmGenPath(prefix, tpmacro, NULL);
if (rpmioMkpath(tempfn, 0755, (uid_t) -1, (gid_t) -1))
goto errxit;
}
/* XXX should probably use mkstemp here */
srand(time(NULL));
ran = rand() % 100000;
/* maybe this should use link/stat? */
do {
char tfnbuf[64];
#ifndef NOTYET
sprintf(tfnbuf, "rpm-tmp.%d", ran++);
tempfn = _free(tempfn);
tempfn = rpmGenPath(prefix, tpmacro, tfnbuf);
#else
strcpy(tfnbuf, "rpm-tmp.XXXXXX");
tempfn = _free(tempfn);
tempfn = rpmGenPath(prefix, tpmacro, mktemp(tfnbuf));
#endif
temput = urlPath(tempfn, &tfn);
if (*tfn == '\0') goto errxit;
switch (temput) {
case URL_IS_DASH:
case URL_IS_HKP:
goto errxit;
break;
case URL_IS_HTTPS:
case URL_IS_HTTP:
case URL_IS_FTP:
default:
break;
}
fd = Fopen(tempfn, "w+x.ufdio");
/* XXX FIXME: errno may not be correct for ufdio */
} while ((fd == NULL || Ferror(fd)) && errno == EEXIST);
if (fd == NULL || Ferror(fd))
goto errxit;
switch(temput) {
case URL_IS_PATH:
case URL_IS_UNKNOWN:
{ struct stat sb, sb2;
if (!stat(tfn, &sb) && S_ISLNK(sb.st_mode)) {
rpmError(RPMERR_SCRIPT, _("error creating temporary file %s\n"), tfn);
goto errxit;
}
if (sb.st_nlink != 1) {
rpmError(RPMERR_SCRIPT, _("error creating temporary file %s\n"), tfn);
goto errxit;
}
if (fstat(Fileno(fd), &sb2) == 0) {
if (sb2.st_ino != sb.st_ino || sb2.st_dev != sb.st_dev) {
rpmError(RPMERR_SCRIPT, _("error creating temporary file %s\n"), tfn);
goto errxit;
}
}
} break;
default:
break;
}
if (fnptr)
*fnptr = tempfn;
else
tempfn = _free(tempfn);
*fdptr = fd;
return 0;
errxit:
tempfn = _free(tempfn);
if (fd != NULL) (void) Fclose(fd);
return 1;
}
char * currentDirectory(void)
{
int currDirLen = 0;
char * currDir = NULL;
do {
currDirLen += 128;
currDir = xrealloc(currDir, currDirLen);
memset(currDir, 0, currDirLen);
} while (getcwd(currDir, currDirLen) == NULL && errno == ERANGE);
return currDir;
}
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