diff options
Diffstat (limited to 'namedev.c')
| -rw-r--r-- | namedev.c | 22 |
1 files changed, 21 insertions, 1 deletions
@@ -45,6 +45,7 @@ #define TYPE_TOPOLOGY "TOPOLOGY" #define TYPE_REPLACE "REPLACE" #define TYPE_CALLOUT "CALLOUT" +#define CALLOUT_MAXARG 8 static LIST_HEAD(config_device_list); @@ -479,6 +480,9 @@ static int exec_callout(struct config_device *dev, char *value, int len) pid_t pid; int value_set = 0; char buffer[256]; + char *arg; + char *args[CALLOUT_MAXARG]; + int i; dbg("callout to '%s'", dev->exec_program); retval = pipe(fds); @@ -496,7 +500,22 @@ static int exec_callout(struct config_device *dev, char *value, int len) /* child */ close(STDOUT_FILENO); dup(fds[1]); /* dup write side of pipe to STDOUT */ - retval = execve(dev->exec_program, main_argv, main_envp); + if (strchr(dev->exec_program, ' ')) { + /* callout with arguments */ + arg = dev->exec_program; + for (i=0; i < CALLOUT_MAXARG-1; i++) { + args[i] = strsep(&arg, " "); + if (args[i] == NULL) + break; + } + if (args[i]) { + dbg("to many args - %d", i); + args[i] = NULL; + } + retval = execve(args[0], args, main_envp); + } else { + retval = execve(dev->exec_program, main_argv, main_envp); + } if (retval != 0) { dbg("child execve failed"); exit(1); @@ -523,6 +542,7 @@ static int exec_callout(struct config_device *dev, char *value, int len) strncpy(value, buffer, len); } } + dbg("callout returned '%s'", value); close(fds[0]); res = wait(&status); if (res < 0) { |