diff options
Diffstat (limited to 'daemon.c')
-rw-r--r-- | daemon.c | 137 |
1 files changed, 55 insertions, 82 deletions
@@ -39,8 +39,8 @@ static int strict_paths; static int export_all_trees; /* Take all paths relative to this one if non-NULL */ -static char *base_path; -static char *interpolated_path; +static const char *base_path; +static const char *interpolated_path; static int base_path_relaxed; /* Flag indicating client sent extra args. */ @@ -106,12 +106,12 @@ static void NORETURN daemon_die(const char *err, va_list params) exit(1); } -static const char *path_ok(char *directory) +static const char *path_ok(const char *directory) { static char rpath[PATH_MAX]; static char interp_path[PATH_MAX]; const char *path; - char *dir; + const char *dir; dir = directory; @@ -131,7 +131,7 @@ static const char *path_ok(char *directory) * "~alice/%s/foo". */ int namlen, restlen = strlen(dir); - char *slash = strchr(dir, '/'); + const char *slash = strchr(dir, '/'); if (!slash) slash = dir + restlen; namlen = slash - dir; @@ -235,8 +235,10 @@ static int service_enabled; static int git_daemon_config(const char *var, const char *value, void *cb) { - if (!prefixcmp(var, "daemon.") && - !strcmp(var + 7, service_looking_at->config_name)) { + const char *service; + + if (skip_prefix(var, "daemon.", &service) && + !strcmp(service, service_looking_at->config_name)) { service_enabled = git_config_bool(var, value); return 0; } @@ -253,7 +255,7 @@ static int daemon_error(const char *dir, const char *msg) return -1; } -static char *access_hook; +static const char *access_hook; static int run_access_hook(struct daemon_service *service, const char *dir, const char *path) { @@ -318,7 +320,7 @@ error_return: return -1; } -static int run_service(char *dir, struct daemon_service *service) +static int run_service(const char *dir, struct daemon_service *service) { const char *path; int enabled = service->enabled; @@ -475,14 +477,6 @@ static void make_service_overridable(const char *name, int ena) die("No such service %s", name); } -static char *xstrdup_tolower(const char *str) -{ - char *p, *dup = xstrdup(str); - for (p = dup; *p; p++) - *p = tolower(*p); - return dup; -} - static void parse_host_and_port(char *hostport, char **host, char **port) { @@ -632,15 +626,16 @@ static int execute(void) for (i = 0; i < ARRAY_SIZE(daemon_service); i++) { struct daemon_service *s = &(daemon_service[i]); - int namelen = strlen(s->name); - if (!prefixcmp(line, "git-") && - !strncmp(s->name, line + 4, namelen) && - line[namelen + 4] == ' ') { + const char *arg; + + if (skip_prefix(line, "git-", &arg) && + skip_prefix(arg, s->name, &arg) && + *arg++ == ' ') { /* * Note: The directory here is probably context sensitive, * and might depend on the actual service being performed. */ - return run_service(line + namelen + 5, s); + return run_service(arg, s); } } @@ -783,7 +778,6 @@ static void handle(int incoming, struct sockaddr *addr, socklen_t addrlen) logerror("unable to fork"); else add_child(&cld, addr, addrlen); - close(incoming); } static void child_handler(int signo) @@ -1056,11 +1050,6 @@ static void drop_privileges(struct credentials *cred) /* nothing */ } -static void daemonize(void) -{ - die("--detach not supported on this platform"); -} - static struct credentials *prepare_credentials(const char *user_name, const char *group_name) { @@ -1102,24 +1091,6 @@ static struct credentials *prepare_credentials(const char *user_name, return &c; } - -static void daemonize(void) -{ - switch (fork()) { - case 0: - break; - case -1: - die_errno("fork failed"); - default: - exit(0); - } - if (setsid() == -1) - die_errno("setsid failed"); - close(0); - close(1); - close(2); - sanitize_stdfds(); -} #endif static void store_pid(const char *path) @@ -1164,16 +1135,17 @@ int main(int argc, char **argv) for (i = 1; i < argc; i++) { char *arg = argv[i]; + const char *v; - if (!prefixcmp(arg, "--listen=")) { - string_list_append(&listen_addr, xstrdup_tolower(arg + 9)); + if (skip_prefix(arg, "--listen=", &v)) { + string_list_append(&listen_addr, xstrdup_tolower(v)); continue; } - if (!prefixcmp(arg, "--port=")) { + if (skip_prefix(arg, "--port=", &v)) { char *end; unsigned long n; - n = strtoul(arg+7, &end, 0); - if (arg[7] && !*end) { + n = strtoul(v, &end, 0); + if (*v && !*end) { listen_port = n; continue; } @@ -1199,20 +1171,20 @@ int main(int argc, char **argv) export_all_trees = 1; continue; } - if (!prefixcmp(arg, "--access-hook=")) { - access_hook = arg + 14; + if (skip_prefix(arg, "--access-hook=", &v)) { + access_hook = v; continue; } - if (!prefixcmp(arg, "--timeout=")) { - timeout = atoi(arg+10); + if (skip_prefix(arg, "--timeout=", &v)) { + timeout = atoi(v); continue; } - if (!prefixcmp(arg, "--init-timeout=")) { - init_timeout = atoi(arg+15); + if (skip_prefix(arg, "--init-timeout=", &v)) { + init_timeout = atoi(v); continue; } - if (!prefixcmp(arg, "--max-connections=")) { - max_connections = atoi(arg+18); + if (skip_prefix(arg, "--max-connections=", &v)) { + max_connections = atoi(v); if (max_connections < 0) max_connections = 0; /* unlimited */ continue; @@ -1221,16 +1193,16 @@ int main(int argc, char **argv) strict_paths = 1; continue; } - if (!prefixcmp(arg, "--base-path=")) { - base_path = arg+12; + if (skip_prefix(arg, "--base-path=", &v)) { + base_path = v; continue; } if (!strcmp(arg, "--base-path-relaxed")) { base_path_relaxed = 1; continue; } - if (!prefixcmp(arg, "--interpolated-path=")) { - interpolated_path = arg+20; + if (skip_prefix(arg, "--interpolated-path=", &v)) { + interpolated_path = v; continue; } if (!strcmp(arg, "--reuseaddr")) { @@ -1241,12 +1213,12 @@ int main(int argc, char **argv) user_path = ""; continue; } - if (!prefixcmp(arg, "--user-path=")) { - user_path = arg + 12; + if (skip_prefix(arg, "--user-path=", &v)) { + user_path = v; continue; } - if (!prefixcmp(arg, "--pid-file=")) { - pid_file = arg + 11; + if (skip_prefix(arg, "--pid-file=", &v)) { + pid_file = v; continue; } if (!strcmp(arg, "--detach")) { @@ -1254,28 +1226,28 @@ int main(int argc, char **argv) log_syslog = 1; continue; } - if (!prefixcmp(arg, "--user=")) { - user_name = arg + 7; + if (skip_prefix(arg, "--user=", &v)) { + user_name = v; continue; } - if (!prefixcmp(arg, "--group=")) { - group_name = arg + 8; + if (skip_prefix(arg, "--group=", &v)) { + group_name = v; continue; } - if (!prefixcmp(arg, "--enable=")) { - enable_service(arg + 9, 1); + if (skip_prefix(arg, "--enable=", &v)) { + enable_service(v, 1); continue; } - if (!prefixcmp(arg, "--disable=")) { - enable_service(arg + 10, 0); + if (skip_prefix(arg, "--disable=", &v)) { + enable_service(v, 0); continue; } - if (!prefixcmp(arg, "--allow-override=")) { - make_service_overridable(arg + 17, 1); + if (skip_prefix(arg, "--allow-override=", &v)) { + make_service_overridable(v, 1); continue; } - if (!prefixcmp(arg, "--forbid-override=")) { - make_service_overridable(arg + 18, 0); + if (skip_prefix(arg, "--forbid-override=", &v)) { + make_service_overridable(v, 0); continue; } if (!strcmp(arg, "--informative-errors")) { @@ -1333,9 +1305,10 @@ int main(int argc, char **argv) if (inetd_mode || serve_mode) return execute(); - if (detach) - daemonize(); - else + if (detach) { + if (daemonize()) + die("--detach not supported on this platform"); + } else sanitize_stdfds(); if (pid_file) |