char * mountNfsImage(struct installMethod * method,
char * location, struct loaderData_s * loaderData) {
char * host = NULL;
char * directory = NULL;
char * mountOpts = NULL;
char * fullPath = NULL;
char * url = NULL;
enum { NFS_STAGE_NFS, NFS_STAGE_MOUNT, NFS_STAGE_DONE,
NFS_STAGE_UPDATES } stage = NFS_STAGE_NFS;
int rc;
/* JKFIXME: ASSERT -- we have a network device setup when we get here */
while (stage != NFS_STAGE_DONE) {
switch (stage) {
case NFS_STAGE_NFS:
logMessage(INFO, "going to do nfsGetSetup");
if (loaderData->method == METHOD_NFS && loaderData->stage2Data) {
host = ((struct nfsInstallData *)loaderData->stage2Data)->host;
directory = ((struct nfsInstallData *)loaderData->stage2Data)->directory;
if (((struct nfsInstallData *)
loaderData->stage2Data)->mountOpts == NULL) {
mountOpts = strdup("ro");
} else {
if (asprintf(&mountOpts, "ro,%s",
((struct nfsInstallData *)
loaderData->stage2Data)->mountOpts) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
}
logMessage(INFO, "host is %s, dir is %s, opts are '%s'", host, directory, mountOpts);
if (!host || !directory) {
logMessage(ERROR, "missing host or directory specification");
if (loaderData->inferredStage2)
loaderData->invalidRepoParam = 1;
loaderData->method = -1;
break;
} else {
host = strdup(host);
directory = strdup(directory);
}
} else {
char *substr, *tmp;
if (nfsGetSetup(&host, &directory) == LOADER_BACK)
return NULL;
/* If the user-provided URL points at a repo instead of a
* stage2 image, fix that up now.
*/
substr = strstr(directory, ".img");
if (!substr || (substr && *(substr+4) != '\0')) {
if (asprintf(&(loaderData->instRepo), "nfs:%s:%s",
host, directory) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
if (asprintf(&tmp, "nfs:%s:%s/images/install.img",
host, directory) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
setStage2LocFromCmdline(tmp, loaderData);
free(host);
free(directory);
free(tmp);
continue;
}
loaderData->invalidRepoParam = 1;
}
stage = NFS_STAGE_MOUNT;
break;
case NFS_STAGE_MOUNT: {
char *buf;
if (asprintf(&fullPath, "%s:%.*s", host,
(int) (strrchr(directory, '/')-directory),
directory) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
logMessage(INFO, "mounting nfs path %s", fullPath);
if (FL_TESTING(flags)) {
stage = NFS_STAGE_DONE;
break;
}
stage = NFS_STAGE_NFS;
if (!doPwMount(fullPath, "/mnt/stage2", "nfs", mountOpts, NULL)) {
if (asprintf(&buf, "/mnt/stage2/%s",
strrchr(directory, '/')) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
if (!access(buf, R_OK)) {
logMessage(INFO, "can access %s", buf);
rc = mountStage2(buf);
if (rc == 0) {
stage = NFS_STAGE_UPDATES;
if (asprintf(&url, "nfs:%s:%s", host,
directory) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__,
__LINE__);
abort();
}
free(buf);
break;
} else {
logMessage(WARNING, "unable to mount %s", buf);
free(buf);
break;
}
} else {
logMessage(WARNING, "unable to access %s", buf);
free(buf);
umount("/mnt/stage2");
}
} else {
newtWinMessage(_("Error"), _("OK"),
_("That directory could not be mounted from "
"the server."));
if (loaderData->method >= 0)
loaderData->method = -1;
if (loaderData->inferredStage2)
loaderData->invalidRepoParam = 1;
break;
}
if (asprintf(&buf, _("That directory does not seem to "
"contain a %s installation image."),
getProductName()) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
newtWinMessage(_("Error"), _("OK"), buf);
free(buf);
if (loaderData->method >= 0)
loaderData->method = -1;
if (loaderData->inferredStage2)
loaderData->invalidRepoParam = 1;
break;
}
case NFS_STAGE_UPDATES: {
char *buf;
if (asprintf(&buf, "%.*s/RHupdates",
(int) (strrchr(fullPath, '/')-fullPath),
fullPath) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
logMessage(INFO, "mounting nfs path %s for updates", buf);
if (!doPwMount(buf, "/tmp/update-disk", "nfs", mountOpts, NULL)) {
logMessage(INFO, "Using RHupdates/ for NFS install");
copyDirectory("/tmp/update-disk", "/tmp/updates", NULL, NULL);
umount("/tmp/update-disk");
unlink("/tmp/update-disk");
} else {
logMessage(INFO, "No RHupdates/ directory found, skipping");
}
stage = NFS_STAGE_DONE;
break;
}
case NFS_STAGE_DONE:
break;
}
}
free(host);
free(directory);
if (fullPath)
free(fullPath);
return url;
}
char * mountNfsImage(struct installMethod * method,
char * location, struct loaderData_s * loaderData,
moduleInfoSet modInfo, moduleList modLoaded,
moduleDeps * modDepsPtr) {
char * host = NULL;
char * directory = NULL;
char * mountOpts = NULL;
char * fullPath = NULL;
char * path;
char * url = NULL;
enum { NFS_STAGE_NFS, NFS_STAGE_MOUNT,
NFS_STAGE_DONE } stage = NFS_STAGE_NFS;
int rc;
int dir = 1;
/* JKFIXME: ASSERT -- we have a network device setup when we get here */
while (stage != NFS_STAGE_DONE) {
switch (stage) {
case NFS_STAGE_NFS:
logMessage(INFO, "going to do nfsGetSetup");
if (loaderData->method == METHOD_NFS && loaderData->methodData) {
host = ((struct nfsInstallData *)loaderData->methodData)->host;
directory = ((struct nfsInstallData *)loaderData->methodData)->directory;
mountOpts = ((struct nfsInstallData *)loaderData->methodData)->mountOpts;
logMessage(INFO, "host is %s, dir is %s, opts are '%s'", host, directory, mountOpts);
if (!host || !directory) {
logMessage(ERROR, "missing host or directory specification");
loaderData->method = -1;
break;
} else {
host = strdup(host);
directory = strdup(directory);
if (mountOpts) {
mountOpts = strdup(mountOpts);
}
}
} else if (nfsGetSetup(&host, &directory, &mountOpts) == LOADER_BACK) {
return NULL;
}
stage = NFS_STAGE_MOUNT;
dir = 1;
break;
case NFS_STAGE_MOUNT: {
int foundinvalid = 0;
char * buf;
struct in_addr ip;
if (loaderData->noDns && !(inet_pton(AF_INET, host, &ip))) {
newtWinMessage(_("Error"), _("OK"),
_("Hostname specified with no DNS configured"));
if (loaderData->method >= 0) {
loaderData->method = -1;
}
break;
}
fullPath = alloca(strlen(host) + strlen(directory) + 2);
sprintf(fullPath, "%s:%s", host, directory);
logMessage(INFO, "mounting nfs path %s, options '%s'", fullPath, mountOpts);
if (FL_TESTING(flags)) {
stage = NFS_STAGE_DONE;
dir = 1;
break;
}
stage = NFS_STAGE_NFS;
if (!doPwMount(fullPath, "/mnt/source", "nfs",
IMOUNT_RDONLY, mountOpts)) {
if (!access("/mnt/source/images/stage2.img", R_OK)) {
logMessage(INFO, "can access /mnt/source/images/stage2.img");
rc = mountStage2("/mnt/source/images/stage2.img");
logMessage(DEBUGLVL, "after mountStage2, rc is %d", rc);
if (rc) {
if (rc == -1) {
foundinvalid = 1;
logMessage(WARNING, "not the right one");
}
} else {
stage = NFS_STAGE_DONE;
url = "nfs://mnt/source/.";
break;
}
} else {
logMessage(WARNING, "unable to access /mnt/source/images/stage2.img");
}
if ((path = validIsoImages("/mnt/source", &foundinvalid))) {
foundinvalid = 0;
logMessage(INFO, "Path to valid iso is %s", path);
copyUpdatesImg("/mnt/source/updates.img");
if (mountLoopback(path, "/mnt/source2", "loop1"))
logMessage(WARNING, "failed to mount iso %s loopback", path);
else {
rc = mountStage2("/mnt/source2/images/stage2.img");
if (rc) {
umountLoopback("/mnt/source2", "loop1");
if (rc == -1)
foundinvalid = 1;
} else {
/* JKFIXME: hack because /mnt/source is hard-coded
* in mountStage2() */
copyUpdatesImg("/mnt/source2/images/updates.img");
copyProductImg("/mnt/source2/images/product.img");
queryIsoMediaCheck(path);
stage = NFS_STAGE_DONE;
url = "nfsiso:/mnt/source";
break;
}
}
}
/* if we fell through to here we did not find a valid NFS */
/* source for installation. */
umount("/mnt/source");
if (foundinvalid)
buf = sdupprintf(_("The %s installation tree in that "
"directory does not seem to match "
"your boot media."), getProductName());
else
buf = sdupprintf(_("That directory does not seem to "
"contain a %s installation tree."),
getProductName());
newtWinMessage(_("Error"), _("OK"), buf);
if (loaderData->method >= 0) {
loaderData->method = -1;
}
break;
} else {
newtWinMessage(_("Error"), _("OK"),
_("That directory could not be mounted from "
"the server."));
if (loaderData->method >= 0) {
loaderData->method = -1;
}
break;
}
}
case NFS_STAGE_DONE:
break;
}
}
free(host);
free(directory);
free(mountOpts);
return url;
}