X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsysctl%2Fsysctl.c;h=43c765f064aa4acf92c3d553c052062fdc0b8416;hb=924bc14fef39373f4523664207007a6c82c2b2d5;hp=2415d84526111db42abbf808f6a2091fc19bf6d7;hpb=7933e4266f8124e3fca71f67757abd44155fa1cb;p=elogind.git diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c index 2415d8452..43c765f06 100644 --- a/src/sysctl/sysctl.c +++ b/src/sysctl/sysctl.c @@ -35,61 +35,12 @@ #include "conf-files.h" #include "fileio.h" #include "build.h" +#include "sysctl-util.h" static char **arg_prefixes = NULL; static const char conf_file_dirs[] = CONF_DIRS_NULSTR("sysctl"); -static char* normalize_sysctl(char *s) { - char *n; - - n = strpbrk(s, "/."); - /* If the first separator is a slash, the path is - * assumed to be normalized and slashes remain slashes - * and dots remains dots. */ - if (!n || *n == '/') - return s; - - /* Otherwise, dots become slashes and slashes become - * dots. Fun. */ - while (n) { - if (*n == '.') - *n = '/'; - else - *n = '.'; - - n = strpbrk(n + 1, "/."); - } - - return s; -} - -static int apply_sysctl(const char *property, const char *value) { - _cleanup_free_ char *p = NULL; - char *n; - int r = 0, k; - - log_debug("Setting '%s' to '%s'", property, value); - - p = new(char, strlen("/proc/sys/") + strlen(property) + 1); - if (!p) - return log_oom(); - - n = stpcpy(p, "/proc/sys/"); - strcpy(n, property); - - k = write_string_file(p, value); - if (k < 0) { - log_full(k == -ENOENT ? LOG_DEBUG : LOG_WARNING, - "Failed to write '%s' to '%s': %s", value, p, strerror(-k)); - - if (k != -ENOENT && r == 0) - r = k; - } - - return r; -} - static int apply_all(Hashmap *sysctl_options) { int r = 0; char *property, *value; @@ -100,9 +51,14 @@ static int apply_all(Hashmap *sysctl_options) { HASHMAP_FOREACH_KEY(value, property, sysctl_options, i) { int k; - k = apply_sysctl(property, value); - if (k < 0 && r == 0) - r = k; + k = sysctl_write(property, value); + if (k < 0) { + log_full(k == -ENOENT ? LOG_DEBUG : LOG_WARNING, + "Failed to write '%s' to '%s': %s", value, property, strerror(-k)); + + if (r == 0) + r = k; + } } return r; } @@ -121,7 +77,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno return log_error_errno(r, "Failed to open file '%s', ignoring: %m", path); } - log_debug("parse: %s", path); + log_debug("Parsing %s", path); while (!feof(f)) { char l[LINE_MAX], *p, *value, *new_value, *property, *existing; void *v; @@ -154,7 +110,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno *value = 0; value++; - p = normalize_sysctl(strstrip(p)); + p = sysctl_normalize(strstrip(p)); value = strstrip(value); if (!strv_isempty(arg_prefixes)) { @@ -251,7 +207,7 @@ static int parse_argv(int argc, char *argv[]) { * in /proc/sys in the past. This is kinda useless, but * we need to keep compatibility. We now support any * sysctl name available. */ - normalize_sysctl(optarg); + sysctl_normalize(optarg); if (startswith(optarg, "/proc/sys")) p = strdup(optarg); else