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redirect: Ensure we deal with absolute paths only

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Signed-off-by: Ikey Doherty <ikey@solus-project.com>
This commit is contained in:
Ikey Doherty
2017-10-22 03:13:36 +01:00
parent b87210a253
commit f2352546d4
1 changed files with 10 additions and 3 deletions
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src/redirect/main.c
+10 -3
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@@ -164,7 +164,7 @@ static LsiRedirectProfile *lsi_redirect_profile_new_ark(void)
}
redirect = lsi_redirect_new_path_replacement(mic_source, mic_target);
if (!p) {
if (!redirect) {
goto failed;
}
lsi_redirect_profile_insert_rule(p, redirect);
@@ -219,6 +219,7 @@ _nica_public_ int open(const char *p, int flags, ...)
autofree(char) *replaced_path = NULL;
LsiRedirect *redirect = NULL;
LsiRedirectOperation op = LSI_OPERATION_OPEN;
autofree(char) *path = NULL;
/* Must ensure we're **really** initialised, as we might see open happen
* before the constructor..
@@ -235,19 +236,25 @@ _nica_public_ int open(const char *p, int flags, ...)
return lsi_table.open(p, flags, mode);
}
/* Get the absolute path here */
path = realpath(p, NULL);
if (!path) {
return lsi_table.open(p, flags, mode);
}
/* find a valid replacement */
for (redirect = lsi_profile->op_table[op]; redirect; redirect = redirect->next) {
/* Currently we only known path replacements */
if (redirect->type != LSI_REDIRECT_PATH) {
continue;
}
if (strcmp(redirect->path_source, p) != 0) {
if (strcmp(redirect->path_source, path) != 0) {
continue;
}
if (!lsi_file_exists(redirect->path_target)) {
lsi_log_warn("Replacement path does not exist: %s", redirect->path_target);
}
lsi_log_info("Replaced '%s' with '%s'", p, redirect->path_target);
lsi_log_info("Replaced '%s' with '%s'", path, redirect->path_target);
return lsi_table.open(redirect->path_target, flags, mode);
}