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Emitting SORRY event for dangling symbolic links if -follow is set to "link"

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This commit is contained in:
Thomas Schmitt
2023-03-15 20:49:32 +01:00
parent 72ef04a9e1
commit fc03217d91
3 changed files with 20 additions and 5 deletions
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18
xorriso/disk_ops.c
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@ -1,7 +1,7 @@
/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2022 Thomas Schmitt, <scdbackup@gmx.net>
Copyright 2007-2023 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
@ -300,11 +300,14 @@ unrecognizable:;
/* @param flag bit0= for Xorriso_msgs_submit: use pager
bit1= do not issue warnings
bit2= warn about dangling link
bit3= report sorry if dangling link
*/
int Xorriso_hop_link(struct XorrisO *xorriso, char *link_path,
struct LinkiteM **link_stack, struct stat *stbuf, int flag)
{
int ret;
char *severity;
struct LinkiteM *litm;
if(*link_stack != NULL) {
@ -318,8 +321,19 @@ int Xorriso_hop_link(struct XorrisO *xorriso, char *link_path,
}
}
ret= stat(link_path, stbuf);
if(ret==-1)
if(ret == -1) {
if(flag & (4 | 8)) {
if(flag & 8)
severity= "SORRY";
else
severity= "WARNING";
sprintf(xorriso->info_text, "Non-existing link target with : ");
Text_shellsafe(link_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, severity,
flag & 1);
}
return(0);
}
ret= Linkitem_find(*link_stack, stbuf->st_dev, stbuf->st_ino, &litm, 0);
if(ret>0) {
sprintf(xorriso->info_text, "Detected symbolic link loop around : ");