mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-10-29 05:40:23 -04:00
8c6593dabf
remove option "stay-root" clean up pa_conf git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@199 fefdeb5f-60dc-0310-8127-8f9354f1896f
279 lines
7.1 KiB
C
279 lines
7.1 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/stat.h>
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#include "conf.h"
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#include "util.h"
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#include "xmalloc.h"
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#include "strbuf.h"
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static const struct pa_conf default_conf = {
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.cmd = PA_CMD_DAEMON,
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.daemonize = 0,
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.fail = 1,
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.verbose = 0,
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.high_priority = 0,
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.disallow_module_loading = 0,
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.exit_idle_time = -1,
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.module_idle_time = 20,
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.auto_log_target = 1,
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.script_commands = NULL,
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.dl_search_path = NULL,
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.default_script_file = NULL,
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.log_target = PA_LOG_SYSLOG,
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};
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#define ENV_SCRIPT_FILE "POLYP_SCRIPT"
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#define ENV_CONFIG_FILE "POLYP_CONFIG"
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#ifndef DEFAULT_SCRIPT_FILE
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#define DEFAULT_SCRIPT_FILE "/etc/polypaudio/default.pa"
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#endif
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#ifndef DEFAULT_CONFIG_FILE
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#define DEFAULT_CONFIG_FILE "/etc/polypaudio/config"
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#endif
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#define DEFAULT_SCRIPT_FILE_LOCAL ".polypaudio.pa"
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#define DEFAULT_CONFIG_FILE_LOCAL ".polypaudio.conf"
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char* default_file(const char *envvar, const char *global, const char *local) {
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char *p, *h;
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assert(envvar && global && local);
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if ((p = getenv(envvar)))
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return pa_xstrdup(p);
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if ((h = getenv("HOME"))) {
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struct stat st;
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p = pa_sprintf_malloc("%s/%s", h, local);
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if (stat(p, &st) >= 0)
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return p;
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pa_xfree(p);
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}
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return pa_xstrdup(global);
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}
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struct pa_conf* pa_conf_new(void) {
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struct pa_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
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c->default_script_file = default_file(ENV_SCRIPT_FILE, DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_LOCAL);
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return c;
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}
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void pa_conf_free(struct pa_conf *c) {
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assert(c);
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pa_xfree(c->script_commands);
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pa_xfree(c->dl_search_path);
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pa_xfree(c->default_script_file);
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pa_xfree(c);
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}
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#define WHITESPACE " \t\n"
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#define COMMENTS "#;\n"
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#define PARSE_BOOLEAN(t, v) \
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do { \
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if (!strcmp(lvalue, t)) { \
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int b; \
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if ((b = pa_parse_boolean(rvalue)) < 0) \
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goto fail; \
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c->v = b; \
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return 0; \
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} \
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} while (0)
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#define PARSE_STRING(t, v) \
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do { \
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if (!strcmp(lvalue, t)) { \
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pa_xfree(c->v); \
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c->v = *rvalue ? pa_xstrdup(rvalue) : NULL; \
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return 0; \
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} \
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} while (0)
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#define PARSE_INTEGER(t, v) \
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do { \
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if (!strcmp(lvalue, t)) { \
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char *x = NULL; \
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int i = strtol(rvalue, &x, 0); \
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if (!x || *x) \
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goto fail; \
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c->v = i; \
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return 0; \
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} \
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} while(0)
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static int next_assignment(struct pa_conf *c, char *lvalue, char *rvalue, unsigned n) {
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PARSE_BOOLEAN("daemonize", daemonize);
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PARSE_BOOLEAN("fail", fail);
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PARSE_BOOLEAN("verbose", verbose);
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PARSE_BOOLEAN("high-priority", high_priority);
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PARSE_BOOLEAN("disallow-module-loading", disallow_module_loading);
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PARSE_INTEGER("exit-idle-time", exit_idle_time);
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PARSE_INTEGER("module-idle-time", module_idle_time);
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PARSE_STRING("dl-search-path", dl_search_path);
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PARSE_STRING("default-script-file", default_script_file);
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if (!strcmp(lvalue, "log-target")) {
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if (!strcmp(rvalue, "auto"))
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c->auto_log_target = 1;
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else if (!strcmp(rvalue, "syslog")) {
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c->auto_log_target = 0;
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c->log_target = PA_LOG_SYSLOG;
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} else if (!strcmp(rvalue, "stderr")) {
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c->auto_log_target = 0;
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c->log_target = PA_LOG_STDERR;
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} else
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goto fail;
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return 0;
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}
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fail:
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pa_log(__FILE__": line %u: parse error.\n", n);
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return -1;
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}
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#undef PARSE_STRING
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#undef PARSE_BOOLEAN
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static int in_string(char c, const char *s) {
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for (; *s; s++)
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if (*s == c)
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return 1;
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return 0;
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}
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static char *strip(char *s) {
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char *b = s+strspn(s, WHITESPACE);
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char *e, *l = NULL;
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for (e = b; *e; e++)
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if (!in_string(*e, WHITESPACE))
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l = e;
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if (l)
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*(l+1) = 0;
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return b;
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}
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static int parse_line(struct pa_conf *conf, char *l, unsigned n) {
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char *e, *c, *b = l+strspn(l, WHITESPACE);
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if ((c = strpbrk(b, COMMENTS)))
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*c = 0;
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if (!*b)
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return 0;
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if (!(e = strchr(b, '='))) {
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pa_log(__FILE__": line %u: missing '='.\n", n);
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return -1;
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}
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*e = 0;
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e++;
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return next_assignment(conf, strip(b), strip(e), n);
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}
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int pa_conf_load(struct pa_conf *c, const char *filename) {
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FILE *f;
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int r = 0;
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unsigned n = 0;
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char *def = NULL;
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assert(c);
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if (!filename)
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filename = def = default_file(ENV_CONFIG_FILE, DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_LOCAL);
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if (!(f = fopen(filename, "r"))) {
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if (errno != ENOENT)
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pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno));
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goto finish;
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}
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while (!feof(f)) {
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char l[256];
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if (!fgets(l, sizeof(l), f)) {
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if (!feof(f))
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pa_log(__FILE__": WARNING: failed to read configuration file '%s': %s\n", filename, strerror(errno));
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break;
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}
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if (parse_line(c, l, ++n) < 0)
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r = -1;
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}
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finish:
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if (f)
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fclose(f);
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pa_xfree(def);
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return r;
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}
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char *pa_conf_dump(struct pa_conf *c) {
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struct pa_strbuf *s = pa_strbuf_new();
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char *d;
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d = default_file(ENV_CONFIG_FILE, DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_LOCAL);
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pa_strbuf_printf(s, "### Default configuration file: %s ###\n\n", d);
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pa_strbuf_printf(s, "verbose = %i\n", !!c->verbose);
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pa_strbuf_printf(s, "daemonize = %i\n", !!c->daemonize);
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pa_strbuf_printf(s, "fail = %i\n", !!c->fail);
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pa_strbuf_printf(s, "high-priority = %i\n", !!c->high_priority);
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pa_strbuf_printf(s, "disallow-module-loading = %i\n", !!c->disallow_module_loading);
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pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
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pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time);
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pa_strbuf_printf(s, "dl-search-path = %s\n", c->dl_search_path ? c->dl_search_path : "");
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pa_strbuf_printf(s, "default-script-file = %s\n", c->default_script_file);
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pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
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pa_strbuf_printf(s, "\n### EOF ###\n");
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pa_xfree(d);
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return pa_strbuf_tostring_free(s);
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}
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