int
pkg_repo_fetch(struct pkg *pkg)
{
char dest[MAXPATHLEN + 1];
char url[MAXPATHLEN + 1];
int fetched = 0;
char cksum[SHA256_DIGEST_LENGTH * 2 +1];
char *path = NULL;
const char *packagesite = NULL;
const char *cachedir = NULL;
bool multirepos_enabled = false;
int retcode = EPKG_OK;
const char *repopath, *repourl, *sum, *name, *version;
assert((pkg->type & PKG_REMOTE) == PKG_REMOTE);
if (pkg_config_string(PKG_CONFIG_CACHEDIR, &cachedir) != EPKG_OK)
return (EPKG_FATAL);
pkg_get(pkg, PKG_REPOPATH, &repopath, PKG_REPOURL, &repourl,
PKG_CKSUM, &sum, PKG_NAME, &name, PKG_VERSION, &version);
snprintf(dest, sizeof(dest), "%s/%s", cachedir, repopath);
/* If it is already in the local cachedir, dont bother to
* download it */
if (access(dest, F_OK) == 0)
goto checksum;
/* Create the dirs in cachedir */
if ((path = dirname(dest)) == NULL) {
pkg_emit_errno("dirname", dest);
retcode = EPKG_FATAL;
goto cleanup;
}
if ((retcode = mkdirs(path)) != EPKG_OK)
goto cleanup;
/*
* In multi-repos the remote URL is stored in pkg[PKG_REPOURL]
* For a single attached database the repository URL should be
* defined by PACKAGESITE.
*/
pkg_config_bool(PKG_CONFIG_MULTIREPOS, &multirepos_enabled);
if (multirepos_enabled) {
packagesite = repourl;
} else {
pkg_config_string(PKG_CONFIG_REPO, &packagesite);
}
if (packagesite == NULL || packagesite[0] == '\0') {
pkg_emit_error("PACKAGESITE is not defined");
retcode = 1;
goto cleanup;
}
if (packagesite[strlen(packagesite) - 1] == '/')
snprintf(url, sizeof(url), "%s%s", packagesite, repopath);
else
snprintf(url, sizeof(url), "%s/%s", packagesite, repopath);
retcode = pkg_fetch_file(url, dest, 0);
fetched = 1;
if (retcode != EPKG_OK)
goto cleanup;
checksum:
retcode = sha256_file(dest, cksum);
if (retcode == EPKG_OK)
if (strcmp(cksum, sum)) {
if (fetched == 1) {
pkg_emit_error("%s-%s failed checksum "
"from repository", name, version);
retcode = EPKG_FATAL;
} else {
pkg_emit_error("cached package %s-%s: "
"checksum mismatch, fetching from remote",
name, version);
unlink(dest);
return (pkg_repo_fetch(pkg));
}
}
cleanup:
if (retcode != EPKG_OK)
unlink(dest);
return (retcode);
}
int
pkg_repo_fetch(struct pkg *pkg)
{
char dest[MAXPATHLEN + 1];
char url[MAXPATHLEN + 1];
int fetched = 0;
char cksum[SHA256_DIGEST_LENGTH * 2 +1];
char *path = NULL;
const char *packagesite = NULL;
int retcode = EPKG_OK;
assert((pkg->type & PKG_REMOTE) == PKG_REMOTE);
if ((packagesite = pkg_config("PACKAGESITE")) == NULL) {
pkg_emit_error("pkg_repo_fetch(): %s", "PACKAGESITE is not defined");
return (EPKG_FATAL);
}
snprintf(dest, sizeof(dest), "%s/%s", pkg_config("PKG_CACHEDIR"),
pkg_get(pkg, PKG_REPOPATH));
/* If it is already in the local cachedir, dont bother to download it */
if (access(dest, F_OK) == 0)
goto checksum;
/* Create the dirs in cachedir */
if ((path = dirname(dest)) == NULL) {
pkg_emit_errno("dirname", dest);
retcode = EPKG_FATAL;
goto cleanup;
}
if ((retcode = mkdirs(path)) != 0)
goto cleanup;
if (packagesite[strlen(packagesite) - 1] == '/')
snprintf(url, sizeof(url), "%s%s", packagesite,
pkg_get(pkg, PKG_REPOPATH));
else
snprintf(url, sizeof(url), "%s/%s", packagesite,
pkg_get(pkg, PKG_REPOPATH));
retcode = pkg_fetch_file(url, dest);
fetched = 1;
if (retcode != EPKG_OK)
goto cleanup;
checksum:
retcode = sha256_file(dest, cksum);
if (retcode == EPKG_OK)
if (strcmp(cksum, pkg_get(pkg, PKG_CKSUM))) {
if (fetched == 1) {
pkg_emit_error("%s-%s failed checksum from repository",
pkg_get(pkg, PKG_NAME), pkg_get(pkg, PKG_VERSION));
retcode = EPKG_FATAL;
} else {
pkg_emit_error("cached package %s-%s: checksum mismatch, fetching from remote",
pkg_get(pkg, PKG_NAME), pkg_get(pkg, PKG_VERSION));
unlink(dest);
return (pkg_repo_fetch(pkg));
}
}
cleanup:
if (retcode != EPKG_OK)
unlink(dest);
return (retcode);
}
