X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fpaths.c;h=0d414ebaac0833a075b0f65532734e1620e46649;hp=c352ca02e4e214f2607b32abbc6a00857e7056c4;hb=a16685c656a90195867c90ef6f426de353401af8;hpb=384d406380d8bf164ed2ca3879488cc4974239be diff --git a/discover/paths.c b/discover/paths.c index c352ca0..0d414eb 100644 --- a/discover/paths.c +++ b/discover/paths.c @@ -1,5 +1,8 @@ -#define _GNU_SOURCE +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif +#include #include #include #include @@ -45,15 +48,17 @@ char *join_paths(void *alloc_ctx, const char *a, const char *b) static char *local_name(void *ctx) { - char *tmp, *ret; + char *ret, tmp[] = "/tmp/pb-XXXXXX"; + int fd; - tmp = tempnam(NULL, "pb-"); + fd = mkstemp(tmp); - if (!tmp) + if (fd < 0) return NULL; + close(fd); + ret = talloc_strdup(ctx, tmp); - free(tmp); return ret; } @@ -79,9 +84,14 @@ static void load_url_process_exit(struct process *process) data = task->async_data; cb = task->async_cb; - result->status = process->exit_status == 0 ? LOAD_OK : LOAD_ERROR; - if (result->status == LOAD_ERROR) + if (result->status == LOAD_CANCELLED) { load_url_result_cleanup_local(result); + } else if (process_exit_ok(process)) { + result->status = LOAD_OK; + } else { + result->status = LOAD_ERROR; + load_url_result_cleanup_local(result); + } /* The load callback may well free the ctx, which was the * talloc parent of the task. Therefore, we want to do our cleanup @@ -89,6 +99,7 @@ static void load_url_process_exit(struct process *process) */ process_release(process); talloc_free(task); + result->task = NULL; cb(result, data); } @@ -120,7 +131,10 @@ static void load_process_to_local_file(struct load_task *task, task->result->status = rc ? LOAD_ERROR : LOAD_ASYNC; } else { rc = process_run_sync(task->process); - task->result->status = rc ? LOAD_ERROR : LOAD_OK; + if (rc || !process_exit_ok(task->process)) + task->result->status = LOAD_ERROR; + else + task->result->status = LOAD_OK; process_release(task->process); task->process = NULL; } @@ -211,6 +225,7 @@ static enum tftp_type check_tftp_type(void *ctx) process->path = pb_system_apps.tftp; process->argv = argv; process->keep_stdout = true; + process->add_stderr = true; process_run_sync(process); if (!process->stdout_buf || process->stdout_len == 0) { @@ -295,8 +310,9 @@ static void load_wget(struct load_task *task, int flags) pb_system_apps.wget, "-O", NULL, /* 2: local file */ - NULL, - NULL, + NULL, /* 3 (optional): --quiet */ + NULL, /* 4 (optional): --no-check-certificate */ + NULL, /* 5: URL */ NULL, }; int i; @@ -359,6 +375,7 @@ struct load_url_result *load_url_async(void *ctx, struct pb_url *url, task->url = url; task->async = async_cb != NULL; task->result = talloc_zero(ctx, struct load_url_result); + task->result->task = task; task->process = process_create(task); if (task->async) { task->async_cb = async_cb; @@ -407,3 +424,22 @@ struct load_url_result *load_url(void *ctx, struct pb_url *url) { return load_url_async(ctx, url, NULL, NULL); } + +void load_url_async_cancel(struct load_url_result *res) +{ + struct load_task *task = res->task; + + /* the completion callback may have already been called; this clears + * res->task */ + if (!task) + return; + + if (res->status == LOAD_CANCELLED) + return; + + assert(task->async); + assert(task->process); + + res->status = LOAD_CANCELLED; + process_stop_async(task->process); +}