web_workflow.c: check for empty SSID before starting web workflow

dhalbert · dhalbert · commit 00cde4706792 · 2025-02-26T13:27:01.000-05:00
diff --git a/supervisor/shared/web_workflow/web_workflow.c b/supervisor/shared/web_workflow/web_workflow.c
@@ -243,7 +243,7 @@ bool supervisor_start_web_workflow(void) {
     char password[64];
 
     os_getenv_err_t result = common_hal_os_getenv_str("CIRCUITPY_WIFI_SSID", ssid, sizeof(ssid));
-    if (result != GETENV_OK) {
+    if (result != GETENV_OK || strlen(ssid) < 1) {
         return false;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -243,7 +243,7 @@ bool supervisor_start_web_workflow(void) {`
`243`	`243`	`char password[64];`
`244`	`244`
`245`	`245`	`os_getenv_err_t result = common_hal_os_getenv_str("CIRCUITPY_WIFI_SSID", ssid, sizeof(ssid));`
`246`		`- if (result != GETENV_OK) {`
	`246`	`+ if (result != GETENV_OK \|\| strlen(ssid) < 1) {`
`247`	`247`	`return false;`
`248`	`248`	`}`
`249`	`249`