Import refactored xdg.c from pounce
parent
54c632e8c3
commit
b6cf41ab77
4
chat.c
4
chat.c
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@ -149,8 +149,8 @@ static void sandboxEarly(bool log) {
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char *end = &promises[sizeof(promises)];
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if (log) {
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const char *logdir = dataMkdir("log");
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int error = unveil(logdir, "wc");
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char buf[PATH_MAX];
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int error = unveil(dataPath(buf, sizeof(buf), "log", 0), "wc");
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if (error) err(EX_OSERR, "unveil");
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ptr = seprintf(ptr, end, " wpath cpath");
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}
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5
chat.h
5
chat.h
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@ -404,11 +404,10 @@ void logFormat(uint id, const time_t *time, const char *format, ...)
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__attribute__((format(printf, 3, 4)));
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void logClose(void);
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const char *configPath(const char **dirs, const char *path);
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const char *dataPath(const char **dirs, const char *path);
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char *configPath(char *buf, size_t cap, const char *path, int i);
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char *dataPath(char *buf, size_t cap, const char *path, int i);
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FILE *configOpen(const char *path, const char *mode);
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FILE *dataOpen(const char *path, const char *mode);
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const char *dataMkdir(const char *path);
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int getopt_config(
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int argc, char *const *argv,
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22
irc.c
22
irc.c
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@ -29,6 +29,7 @@
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdarg.h>
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@ -49,19 +50,20 @@ static struct tls_config *config;
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void ircConfig(
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bool insecure, const char *trust, const char *cert, const char *priv
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) {
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int error = 0;
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char buf[PATH_MAX];
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config = tls_config_new();
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if (!config) errx(EX_SOFTWARE, "tls_config_new");
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int error = 0;
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if (insecure) {
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tls_config_insecure_noverifycert(config);
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tls_config_insecure_noverifyname(config);
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}
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if (trust) {
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tls_config_insecure_noverifyname(config);
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const char *dirs = NULL;
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for (const char *path; NULL != (path = configPath(&dirs, trust));) {
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error = tls_config_set_ca_file(config, path);
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for (int i = 0; configPath(buf, sizeof(buf), trust, i); ++i) {
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error = tls_config_set_ca_file(config, buf);
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if (!error) break;
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}
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if (error) errx(EX_NOINPUT, "%s: %s", trust, tls_config_error(config));
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@ -79,21 +81,19 @@ void ircConfig(
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#endif
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if (cert) {
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const char *dirs = NULL;
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for (const char *path; NULL != (path = configPath(&dirs, cert));) {
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for (int i = 0; configPath(buf, sizeof(buf), cert, i); ++i) {
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if (priv) {
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error = tls_config_set_cert_file(config, path);
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error = tls_config_set_cert_file(config, buf);
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} else {
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error = tls_config_set_keypair_file(config, path, path);
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error = tls_config_set_keypair_file(config, buf, buf);
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}
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if (!error) break;
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}
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if (error) errx(EX_NOINPUT, "%s: %s", cert, tls_config_error(config));
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}
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if (priv) {
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const char *dirs = NULL;
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for (const char *path; NULL != (path = configPath(&dirs, priv));) {
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error = tls_config_set_key_file(config, path);
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for (int i = 0; configPath(buf, sizeof(buf), priv, i); ++i) {
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error = tls_config_set_key_file(config, buf);
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if (!error) break;
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}
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if (error) errx(EX_NOINPUT, "%s: %s", priv, tls_config_error(config));
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15
log.c
15
log.c
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@ -47,10 +47,15 @@
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static int logDir = -1;
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void logOpen(void) {
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dataMkdir("");
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const char *path = dataMkdir("log");
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logDir = open(path, O_RDONLY | O_CLOEXEC);
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if (logDir < 0) err(EX_CANTCREAT, "%s", path);
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char buf[PATH_MAX];
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int error = mkdir(dataPath(buf, sizeof(buf), "", 0), S_IRWXU);
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if (error && errno != EEXIST) err(EX_CANTCREAT, "%s", buf);
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error = mkdir(dataPath(buf, sizeof(buf), "log", 0), S_IRWXU);
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if (error && errno != EEXIST) err(EX_CANTCREAT, "%s", buf);
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logDir = open(buf, O_RDONLY | O_CLOEXEC);
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if (logDir < 0) err(EX_CANTCREAT, "%s", buf);
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#ifdef __FreeBSD__
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cap_rights_t rights;
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@ -58,7 +63,7 @@ void logOpen(void) {
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&rights, CAP_MKDIRAT, CAP_CREATE, CAP_WRITE,
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/* for fdopen(3) */ CAP_FCNTL, CAP_FSTAT
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);
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int error = caph_rights_limit(logDir, &rights);
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error = caph_rights_limit(logDir, &rights);
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if (error) err(EX_OSERR, "cap_rights_limit");
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#endif
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}
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91
xdg.c
91
xdg.c
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@ -32,6 +32,7 @@
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sysexits.h>
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#include "chat.h"
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@ -58,81 +59,73 @@ static const struct Base Data = {
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.defDirs = "/usr/local/share:/usr/share",
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};
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static const char *
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basePath(struct Base base, const char **dirs, const char *path) {
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static char buf[PATH_MAX];
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if (*dirs) {
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if (!**dirs) return NULL;
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size_t len = strcspn(*dirs, ":");
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snprintf(buf, sizeof(buf), "%.*s/" SUBDIR "/%s", (int)len, *dirs, path);
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*dirs += len;
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if (**dirs) *dirs += 1;
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static char *basePath(
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struct Base base, char *buf, size_t cap, const char *path, int i
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) {
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if (path[strspn(path, ".")] == '/') {
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if (i > 0) return NULL;
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snprintf(buf, cap, "%s", path);
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return buf;
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}
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if (path[strspn(path, ".")] == '/') {
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*dirs = "";
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return path;
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if (i > 0) {
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const char *dirs = getenv(base.envDirs);
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if (!dirs) dirs = base.defDirs;
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for (; i > 1; --i) {
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dirs += strcspn(dirs, ":");
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dirs += (*dirs == ':');
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}
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if (!*dirs) return NULL;
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snprintf(
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buf, cap, "%.*s/" SUBDIR "/%s",
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(int)strcspn(dirs, ":"), dirs, path
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);
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return buf;
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}
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*dirs = getenv(base.envDirs);
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if (!*dirs) *dirs = base.defDirs;
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const char *home = getenv("HOME");
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const char *baseHome = getenv(base.envHome);
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if (baseHome) {
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snprintf(buf, sizeof(buf), "%s/" SUBDIR "/%s", baseHome, path);
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snprintf(buf, cap, "%s/" SUBDIR "/%s", baseHome, path);
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} else if (home) {
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snprintf(
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buf, sizeof(buf), "%s/%s/" SUBDIR "/%s",
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home, base.defHome, path
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);
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snprintf(buf, cap, "%s/%s/" SUBDIR "/%s", home, base.defHome, path);
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} else {
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errx(EX_CONFIG, "HOME unset");
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errx(EX_USAGE, "HOME unset");
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}
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return buf;
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}
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const char *configPath(const char **dirs, const char *path) {
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return basePath(Config, dirs, path);
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char *configPath(char *buf, size_t cap, const char *path, int i) {
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return basePath(Config, buf, cap, path, i);
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}
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const char *dataPath(const char **dirs, const char *path) {
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return basePath(Data, dirs, path);
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char *dataPath(char *buf, size_t cap, const char *path, int i) {
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return basePath(Data, buf, cap, path, i);
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}
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FILE *configOpen(const char *path, const char *mode) {
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const char *dirs = NULL;
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for (const char *abs; NULL != (abs = configPath(&dirs, path));) {
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FILE *file = fopen(abs, mode);
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char buf[PATH_MAX];
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for (int i = 0; configPath(buf, sizeof(buf), path, i); ++i) {
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FILE *file = fopen(buf, mode);
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if (file) return file;
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if (errno != ENOENT) warn("%s", abs);
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if (errno != ENOENT) warn("%s", buf);
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}
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dirs = NULL;
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warn("%s", configPath(&dirs, path));
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warn("%s", configPath(buf, sizeof(buf), path, 0));
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return NULL;
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}
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const char *dataMkdir(const char *path) {
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const char *dirs = NULL;
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path = dataPath(&dirs, path);
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int error = mkdir(path, S_IRWXU);
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if (error && errno != EEXIST) err(EX_CANTCREAT, "%s", path);
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return path;
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}
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FILE *dataOpen(const char *path, const char *mode) {
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const char *dirs = NULL;
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for (const char *abs; NULL != (abs = dataPath(&dirs, path));) {
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FILE *file = fopen(abs, mode);
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char buf[PATH_MAX];
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for (int i = 0; dataPath(buf, sizeof(buf), path, i); ++i) {
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FILE *file = fopen(buf, mode);
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if (file) return file;
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if (errno != ENOENT) warn("%s", abs);
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if (errno != ENOENT) warn("%s", buf);
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}
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if (mode[0] != 'r') dataMkdir("");
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dirs = NULL;
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path = dataPath(&dirs, path);
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FILE *file = fopen(path, mode);
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if (!file) warn("%s", path);
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if (mode[0] != 'r') {
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int error = mkdir(dataPath(buf, sizeof(buf), "", 0), S_IRWXU);
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if (error && errno != EEXIST) warn("%s", buf);
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}
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FILE *file = fopen(dataPath(buf, sizeof(buf), path, 0), mode);
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if (!file) warn("%s", buf);
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return file;
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}
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