From: Mattia Dongili <[EMAIL PROTECTED]>
Append /usr/lib/uml to the existing PATH environment variable to let
execvp() search uml_net in FHS compliant locations.
Signed-off-by: Mattia Dongili <[EMAIL PROTECTED]>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
---
arch/um/os-Linux/main.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 2878e89..02cf668 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -74,6 +74,33 @@ static void last_ditch_exit(int sig)
exit(1);
}
+#define UML_LIB_PATH ":/usr/lib/uml"
+
+static void setup_env_path(void) {
+ char *new_path = NULL;
+ char *old_path = NULL;
+ int path_len = 0;
+
+ old_path = getenv("PATH");
+ /* if no PATH variable is set or it has an empty value
+ * just use the default + /usr/lib/uml
+ */
+ if (!old_path || (path_len = strlen(old_path)) == 0) {
+ putenv("PATH=:/bin:/usr/bin/" UML_LIB_PATH);
+ return;
+ }
+
+ /* append /usr/lib/uml to the existing path */
+ path_len += strlen("PATH=" UML_LIB_PATH) + 1;
+ new_path = malloc(path_len);
+ if (!new_path) {
+ perror("coudn't malloc to set a new PATH");
+ return;
+ }
+ snprintf(new_path, path_len, "PATH=%s" UML_LIB_PATH, old_path);
+ putenv(new_path);
+}
+
extern int uml_exitcode;
extern void scan_elf_aux( char **envp);
@@ -114,6 +141,8 @@ int main(int argc, char **argv, char **e
set_stklim();
+ setup_env_path();
+
new_argv = malloc((argc + 1) * sizeof(char *));
if(new_argv == NULL){
perror("Mallocing argv");
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