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Diffstat (limited to 'lib/src')
-rw-r--r--lib/src/rdsvc.c158
-rw-r--r--lib/src/splitkv.c143
2 files changed, 149 insertions, 152 deletions
diff --git a/lib/src/rdsvc.c b/lib/src/rdsvc.c
index b186cd9..04cf30f 100644
--- a/lib/src/rdsvc.c
+++ b/lib/src/rdsvc.c
@@ -28,10 +28,21 @@
#include "service.h"
#include "util.h"
+static int try_unescape(char *arg, const char *filename, size_t lineno)
+{
+ if (unescape(arg)) {
+ fprintf(stderr, "%s: %zu: malformed string constant\n",
+ filename, lineno);
+ return -1;
+ }
+ return 0;
+}
+
static int svc_desc(service_t *svc, char *arg,
const char *filename, size_t lineno)
{
- (void)filename; (void)lineno;
+ if (try_unescape(arg, filename, lineno))
+ return -1;
svc->desc = arg;
return 0;
}
@@ -39,7 +50,8 @@ static int svc_desc(service_t *svc, char *arg,
static int svc_tty(service_t *svc, char *arg,
const char *filename, size_t lineno)
{
- (void)filename; (void)lineno;
+ if (try_unescape(arg, filename, lineno))
+ return -1;
svc->ctty = arg;
return 0;
}
@@ -63,8 +75,12 @@ static int svc_exec(service_t *svc, char *arg,
static int svc_before(service_t *svc, char *arg,
const char *filename, size_t lineno)
{
- char **new = realloc(svc->before,
- sizeof(char*) * (svc->num_before + 1));
+ char **new;
+
+ if (try_unescape(arg, filename, lineno))
+ return -1;
+
+ new = realloc(svc->before, sizeof(char*) * (svc->num_before + 1));
if (new == NULL) {
fprintf(stderr, "%s: %zu: out of memory\n", filename, lineno);
@@ -80,7 +96,12 @@ static int svc_before(service_t *svc, char *arg,
static int svc_after(service_t *svc, char *arg,
const char *filename, size_t lineno)
{
- char **new = realloc(svc->after, sizeof(char*) * (svc->num_after + 1));
+ char **new;
+
+ if (try_unescape(arg, filename, lineno))
+ return -1;
+
+ new = realloc(svc->after, sizeof(char*) * (svc->num_after + 1));
if (new == NULL) {
fprintf(stderr, "%s: %zu: out of memory\n", filename, lineno);
@@ -96,7 +117,22 @@ static int svc_after(service_t *svc, char *arg,
static int svc_type(service_t *svc, char *arg,
const char *filename, size_t lineno)
{
- int type = svc_type_from_string(arg);
+ char *extra;
+ int type;
+
+ if (try_unescape(arg, filename, lineno))
+ return -1;
+
+ for (extra = arg; *extra != ' ' && *extra != '\0'; ++extra)
+ ;
+
+ if (*extra == ' ') {
+ *(extra++) = '\0';
+ } else {
+ extra = NULL;
+ }
+
+ type = svc_type_from_string(arg);
if (type == -1) {
fprintf(stderr, "%s: %zu: unknown service type '%s'\n",
@@ -104,15 +140,51 @@ static int svc_type(service_t *svc, char *arg,
return -1;
}
+ if (extra != NULL) {
+ switch (type) {
+ case SVC_RESPAWN:
+ if (strncmp(extra, "limit ", 6) != 0)
+ goto fail_limit;
+ extra += 6;
+
+ svc->rspwn_limit = 0;
+
+ if (!isdigit(*extra))
+ goto fail_limit;
+
+ while (isdigit(*extra)) {
+ svc->rspwn_limit *= 10;
+ svc->rspwn_limit += *(extra++) - '0';
+ }
+
+ if (*extra != '\0')
+ goto fail_limit;
+ break;
+ default:
+ fprintf(stderr, "%s: %zu: unexpected extra arguments "
+ "for type '%s'\n", filename, lineno, arg);
+ return -1;
+ }
+ }
+
svc->type = type;
free(arg);
return 0;
+fail_limit:
+ fprintf(stderr, "%s: %zu: expected 'limit <value>' after 'respawn'\n",
+ filename, lineno);
+ return -1;
}
static int svc_target(service_t *svc, char *arg,
const char *filename, size_t lineno)
{
- int target = svc_target_from_string(arg);
+ int target;
+
+ if (try_unescape(arg, filename, lineno))
+ return -1;
+
+ target = svc_target_from_string(arg);
if (target == -1) {
fprintf(stderr, "%s: %zu: unknown service target '%s'\n",
@@ -125,33 +197,6 @@ static int svc_target(service_t *svc, char *arg,
return 0;
}
-static int svc_rspwn_limit(service_t *svc, char *arg,
- const char *filename, size_t lineno)
-{
- const char *ptr;
-
- svc->rspwn_limit = 0;
-
- if (!isdigit(*arg))
- goto fail;
-
- for (ptr = arg; isdigit(*ptr); ++ptr)
- svc->rspwn_limit = svc->rspwn_limit * 10 + (*ptr - '0');
-
- if (*ptr != '\0')
- goto fail;
-
- free(arg);
- return 0;
-fail:
- fprintf(stderr,
- "%s: %zu: expected numeric argument for respawn limit\n",
- filename, lineno);
- free(arg);
- return -1;
-}
-
-
static const struct {
const char *key;
@@ -165,7 +210,6 @@ static const struct {
{ "tty", svc_tty },
{ "before", svc_before },
{ "after", svc_after },
- { "respawn_limit", svc_rspwn_limit },
};
@@ -239,27 +283,26 @@ service_t *rdsvc(int dirfd, const char *filename)
goto fail;
}
- if (splitkv(line, &key, &value)) {
- if (key == NULL) {
- fprintf(stderr,
- "%s: %zu: expected <key> = <value>\n",
- filename, lineno);
- } else if (value == NULL) {
- fprintf(stderr,
- "%s: %zu: expected value after %s\n",
- filename, lineno, key);
- } else {
- fprintf(stderr,
- "%s: %zu: unexpected arguments "
- "after key-value pair\n",
- filename, lineno);
+ if (!strlen(line)) {
+ free(line);
+ continue;
+ }
+
+ key = value = line;
+
+ while (*value != ' ' && *value != '\0') {
+ if (!isalpha(*value)) {
+ fprintf(stderr, "%s: %zu: unexpected '%c' in "
+ "keyword\n", filename, lineno, *value);
+ goto fail_line;
}
- goto fail;
+ ++value;
}
- if (key == NULL) {
- free(line);
- continue;
+ if (*value == ' ') {
+ *(value++) = '\0';
+ } else {
+ value = NULL;
}
for (i = 0; i < ARRAY_SIZE(svc_params); ++i) {
@@ -268,7 +311,14 @@ service_t *rdsvc(int dirfd, const char *filename)
}
if (i >= ARRAY_SIZE(svc_params)) {
- fprintf(stderr, "%s: %zu: unknown parameter '%s'\n",
+ fprintf(stderr, "%s: %zu: unknown keyword '%s'\n",
+ filename, lineno, key);
+ goto fail_line;
+ }
+
+ if (value == NULL) {
+ fprintf(stderr,
+ "%s: %zu: expected argument after '%s'\n",
filename, lineno, key);
goto fail_line;
}
diff --git a/lib/src/splitkv.c b/lib/src/splitkv.c
index b1ef8d3..3631ea8 100644
--- a/lib/src/splitkv.c
+++ b/lib/src/splitkv.c
@@ -19,13 +19,6 @@
#include "util.h"
-static char *skpspc(char *ptr)
-{
- while (*ptr == ' ' || *ptr == '\t')
- ++ptr;
- return ptr;
-}
-
static int xdigit(int x)
{
if (isupper(x))
@@ -35,107 +28,61 @@ static int xdigit(int x)
return x - '0';
}
-static char *parse_str(char *src)
+int unescape(char *src)
{
char *dst = src;
int c;
for (;;) {
- c = *(src++);
-
- switch (c) {
- case '\\':
- c = *(src++);
+ while (*src != '"' && *src != '\0')
+ *(dst++) = *(src++);
- switch (c) {
- case 'a': c = '\a'; break;
- case 'b': c = '\b'; break;
- case 'f': c = '\f'; break;
- case 'n': c = '\n'; break;
- case 't': c = '\t'; break;
- case '\\': break;
- case '"': break;
- case 'x':
- c = 0;
- if (isxdigit(*src))
- c = (c << 4) | xdigit(*(src++));
- if (isxdigit(*src))
- c = (c << 4) | xdigit(*(src++));
- break;
- case '0':
- c = 0;
- if (isdigit(*src) && *src < '8')
- c = (c << 3) | (*(src++) - '0');
- if (isdigit(*src) && *src < '8')
- c = (c << 3) | (*(src++) - '0');
- if (isdigit(*src) && *src < '8')
- c = (c << 3) | (*(src++) - '0');
- break;
- default:
- return NULL;
- }
+ if (*src == '\0')
break;
- case '"':
- *(dst++) = '\0';
- goto out;
- }
-
- *(dst++) = c;
- }
-out:
- return src;
-}
-
-int splitkv(char *line, char **key, char **value)
-{
- *key = NULL;
- *value = NULL;
-
- line = skpspc(line);
-
- if (*line == '#' || *line == '\0')
- return 0;
- if (!isalpha(*line))
- return -1;
-
- *key = line;
-
- while (isalnum(*line))
- ++line;
-
- if (*line == ' ' || *line == '\t') {
- *(line++) = '\0';
- line = skpspc(line);
- }
-
- if (*line != '=')
- return -1;
-
- *(line++) = '\0';
- line = skpspc(line);
-
- if (*line == '"') {
- ++line;
- *value = line;
-
- line = parse_str(line);
- } else if (isalnum(*line)) {
- *value = line;
-
- while (isalnum(*line) || *line == '.' || *line == '_')
- ++line;
+ ++src;
+
+ while ((c = *(src++)) != '"') {
+ if (c == '\0')
+ return -1;
+
+ if (c == '\\') {
+ c = *(src++);
+
+ switch (c) {
+ case 'a': c = '\a'; break;
+ case 'b': c = '\b'; break;
+ case 'f': c = '\f'; break;
+ case 'n': c = '\n'; break;
+ case 't': c = '\t'; break;
+ case '\\':
+ case '"':
+ break;
+ case 'x':
+ c = 0;
+ if (isxdigit(*src))
+ c = (c<<4) | xdigit(*(src++));
+ if (isxdigit(*src))
+ c = (c<<4) | xdigit(*(src++));
+ break;
+ case '0':
+ c = 0;
+ if (isdigit(*src) && *src < '8')
+ c = (c<<3) | (*(src++) - '0');
+ if (isdigit(*src) && *src < '8')
+ c = (c<<3) | (*(src++) - '0');
+ if (isdigit(*src) && *src < '8')
+ c = (c<<3) | (*(src++) - '0');
+ break;
+ default:
+ return -1;
+ }
+ }
- if (*line != '\0')
- *(line++) = '\0';
- } else {
- return -1;
+ *(dst++) = c;
+ }
}
- line = skpspc(line);
-
- if (*line != '\0' && *line != '#')
- return -1;
-
+ *(dst++) = '\0';
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 05:33:48 +0000