diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c index 82676e3fcd1d..c275298f04cb 100644 --- a/fs/proc/cmdline.c +++ b/fs/proc/cmdline.c @@ -2,10 +2,13 @@ #include #include #include +#include + +static char proc_cmdline[COMMAND_LINE_SIZE]; static int cmdline_proc_show(struct seq_file *m, void *v) { - seq_printf(m, "%s\n", saved_command_line); + seq_printf(m, "%s\n", proc_cmdline); return 0; } @@ -23,6 +26,23 @@ static const struct file_operations cmdline_proc_fops = { static int __init proc_cmdline_init(void) { + /* SafetyNet bypass: show androidboot.verifiedbootstate=green */ + char *a1, *a2; + + a1 = strstr(saved_command_line, "androidboot.verifiedbootstate="); + if (a1) { + a1 = strchr(a1, '='); + a2 = strchr(a1, ' '); + if (!a2) /* last argument on the cmdline */ + a2 = ""; + + scnprintf(proc_cmdline, COMMAND_LINE_SIZE, "%.*sgreen%s", + (int)(a1 - saved_command_line + 1), + saved_command_line, a2); + } else { + strncpy(proc_cmdline, saved_command_line, COMMAND_LINE_SIZE); + } + proc_create("cmdline", 0, NULL, &cmdline_proc_fops); return 0; }