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install/dracut-install.c: check for empty or "/" destdir

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This commit is contained in:
Harald Hoyer 2012-07-11 15:47:10 +02:00
parent 98eb6d57df
commit f6c2faebfa
1 changed files with 11 additions and 6 deletions
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17
install/dracut-install.c
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@ -182,7 +182,7 @@ static int cp(const char *src, const char *dst)
int pid;
int ret;
if(use_clone) {
if (use_clone) {
struct stat sb;
int dest_desc, source_desc;
@ -197,8 +197,8 @@ static int cp(const char *src, const char *dst)
goto normal_copy;
dest_desc =
open(dst, O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC,
(sb.st_mode) & (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO));
open(dst, O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC,
(sb.st_mode) & (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO));
if (dest_desc < 0) {
close(source_desc);
@ -379,7 +379,6 @@ static int dracut_install(const char *src, const char *dst, bool isdir, bool res
}
}
i = strdup(dst);
hashmap_put(items, i, i);
@ -731,15 +730,21 @@ int main(int argc, char **argv)
umask(0022);
if (destrootdir == NULL) {
if (destrootdir == NULL || strlen(destrootdir) == 0) {
destrootdir = getenv("DESTROOTDIR");
if (destrootdir == NULL) {
if (destrootdir == NULL || strlen(destrootdir) == 0) {
log_error("Environment DESTROOTDIR or argument -D is not set!");
usage(EXIT_FAILURE);
}
destrootdir = strdup(destrootdir);
}
if (strcmp(destrootdir, "/") == 0) {
log_error("Environment DESTROOTDIR or argument -D is set to '/'!");
usage(EXIT_FAILURE);
}
items = hashmap_new(string_hash_func, string_compare_func);
items_failed = hashmap_new(string_hash_func, string_compare_func);