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Diffstat (limited to 'daemon.c')
-rw-r--r--daemon.c109
1 files changed, 54 insertions, 55 deletions
diff --git a/daemon.c b/daemon.c
index b9ba44c..64f60c4 100644
--- a/daemon.c
+++ b/daemon.c
@@ -1,7 +1,6 @@
#include "cache.h"
#include "pkt-line.h"
#include "exec_cmd.h"
-#include "interpolate.h"
#include <syslog.h>
@@ -54,26 +53,11 @@ static const char *user_path;
static unsigned int timeout;
static unsigned int init_timeout;
-/*
- * Static table for now. Ugh.
- * Feel free to make dynamic as needed.
- */
-#define INTERP_SLOT_HOST (0)
-#define INTERP_SLOT_CANON_HOST (1)
-#define INTERP_SLOT_IP (2)
-#define INTERP_SLOT_PORT (3)
-#define INTERP_SLOT_DIR (4)
-#define INTERP_SLOT_PERCENT (5)
-
-static struct interp interp_table[] = {
- { "%H", 0},
- { "%CH", 0},
- { "%IP", 0},
- { "%P", 0},
- { "%D", 0},
- { "%%", 0},
-};
-
+static char *hostname;
+static char *canon_hostname;
+static char *ip_address;
+static char *tcp_port;
+static char *directory;
static void logreport(int priority, const char *err, va_list params)
{
@@ -163,7 +147,7 @@ static int avoid_alias(char *p)
}
}
-static char *path_ok(struct interp *itable)
+static char *path_ok(void)
{
static char rpath[PATH_MAX];
static char interp_path[PATH_MAX];
@@ -171,7 +155,7 @@ static char *path_ok(struct interp *itable)
char *path;
char *dir;
- dir = itable[INTERP_SLOT_DIR].value;
+ dir = directory;
if (avoid_alias(dir)) {
logerror("'%s': aliased", dir);
@@ -201,14 +185,27 @@ static char *path_ok(struct interp *itable)
}
}
else if (interpolated_path && saw_extended_args) {
+ struct strbuf expanded_path = STRBUF_INIT;
+ struct strbuf_expand_dict_entry dict[] = {
+ { "H", hostname },
+ { "CH", canon_hostname },
+ { "IP", ip_address },
+ { "P", tcp_port },
+ { "D", directory },
+ { "%", "%" },
+ { NULL }
+ };
+
if (*dir != '/') {
/* Allow only absolute */
logerror("'%s': Non-absolute path denied (interpolated-path active)", dir);
return NULL;
}
- interpolate(interp_path, PATH_MAX, interpolated_path,
- interp_table, ARRAY_SIZE(interp_table));
+ strbuf_expand(&expanded_path, interpolated_path,
+ strbuf_expand_dict_cb, &dict);
+ strlcpy(interp_path, expanded_path.buf, PATH_MAX);
+ strbuf_release(&expanded_path);
loginfo("Interpolated dir '%s'", interp_path);
dir = interp_path;
@@ -233,7 +230,7 @@ static char *path_ok(struct interp *itable)
* prefixing the base path
*/
if (base_path && base_path_relaxed && !retried_path) {
- dir = itable[INTERP_SLOT_DIR].value;
+ dir = directory;
retried_path = 1;
continue;
}
@@ -299,14 +296,12 @@ static int git_daemon_config(const char *var, const char *value, void *cb)
return 0;
}
-static int run_service(struct interp *itable, struct daemon_service *service)
+static int run_service(struct daemon_service *service)
{
const char *path;
int enabled = service->enabled;
- loginfo("Request %s for '%s'",
- service->name,
- itable[INTERP_SLOT_DIR].value);
+ loginfo("Request %s for '%s'", service->name, directory);
if (!enabled && !service->overridable) {
logerror("'%s': service not enabled.", service->name);
@@ -314,7 +309,7 @@ static int run_service(struct interp *itable, struct daemon_service *service)
return -1;
}
- if (!(path = path_ok(itable)))
+ if (!(path = path_ok()))
return -1;
/*
@@ -413,9 +408,8 @@ static void make_service_overridable(const char *name, int ena)
/*
* Separate the "extra args" information as supplied by the client connection.
- * Any resulting data is squirreled away in the given interpolation table.
*/
-static void parse_extra_args(struct interp *table, char *extra_args, int buflen)
+static void parse_extra_args(char *extra_args, int buflen)
{
char *val;
int vallen;
@@ -433,9 +427,11 @@ static void parse_extra_args(struct interp *table, char *extra_args, int buflen)
if (port) {
*port = 0;
port++;
- interp_set_entry(table, INTERP_SLOT_PORT, port);
+ free(tcp_port);
+ tcp_port = xstrdup(port);
}
- interp_set_entry(table, INTERP_SLOT_HOST, host);
+ free(hostname);
+ hostname = xstrdup(host);
}
/* On to the next one */
@@ -444,14 +440,14 @@ static void parse_extra_args(struct interp *table, char *extra_args, int buflen)
}
}
-static void fill_in_extra_table_entries(struct interp *itable)
+static void fill_in_extra_table_entries(void)
{
char *hp;
/*
* Replace literal host with lowercase-ized hostname.
*/
- hp = interp_table[INTERP_SLOT_HOST].value;
+ hp = hostname;
if (!hp)
return;
for ( ; *hp; hp++)
@@ -470,17 +466,17 @@ static void fill_in_extra_table_entries(struct interp *itable)
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
- gai = getaddrinfo(interp_table[INTERP_SLOT_HOST].value, 0, &hints, &ai0);
+ gai = getaddrinfo(hostname, 0, &hints, &ai0);
if (!gai) {
for (ai = ai0; ai; ai = ai->ai_next) {
struct sockaddr_in *sin_addr = (void *)ai->ai_addr;
inet_ntop(AF_INET, &sin_addr->sin_addr,
addrbuf, sizeof(addrbuf));
- interp_set_entry(interp_table,
- INTERP_SLOT_CANON_HOST, ai->ai_canonname);
- interp_set_entry(interp_table,
- INTERP_SLOT_IP, addrbuf);
+ free(canon_hostname);
+ canon_hostname = xstrdup(ai->ai_canonname);
+ free(ip_address);
+ ip_address = xstrdup(addrbuf);
break;
}
freeaddrinfo(ai0);
@@ -493,7 +489,7 @@ static void fill_in_extra_table_entries(struct interp *itable)
char **ap;
static char addrbuf[HOST_NAME_MAX + 1];
- hent = gethostbyname(interp_table[INTERP_SLOT_HOST].value);
+ hent = gethostbyname(hostname);
ap = hent->h_addr_list;
memset(&sa, 0, sizeof sa);
@@ -504,8 +500,10 @@ static void fill_in_extra_table_entries(struct interp *itable)
inet_ntop(hent->h_addrtype, &sa.sin_addr,
addrbuf, sizeof(addrbuf));
- interp_set_entry(interp_table, INTERP_SLOT_CANON_HOST, hent->h_name);
- interp_set_entry(interp_table, INTERP_SLOT_IP, addrbuf);
+ free(canon_hostname);
+ canon_hostname = xstrdup(hent->h_name);
+ free(ip_address);
+ ip_address = xstrdup(addrbuf);
}
#endif
}
@@ -557,15 +555,16 @@ static int execute(struct sockaddr *addr)
pktlen--;
}
- /*
- * Initialize the path interpolation table for this connection.
- */
- interp_clear_table(interp_table, ARRAY_SIZE(interp_table));
- interp_set_entry(interp_table, INTERP_SLOT_PERCENT, "%");
+ free(hostname);
+ free(canon_hostname);
+ free(ip_address);
+ free(tcp_port);
+ free(directory);
+ hostname = canon_hostname = ip_address = tcp_port = directory = NULL;
if (len != pktlen) {
- parse_extra_args(interp_table, line + len + 1, pktlen - len - 1);
- fill_in_extra_table_entries(interp_table);
+ parse_extra_args(line + len + 1, pktlen - len - 1);
+ fill_in_extra_table_entries();
}
for (i = 0; i < ARRAY_SIZE(daemon_service); i++) {
@@ -578,9 +577,9 @@ static int execute(struct sockaddr *addr)
* Note: The directory here is probably context sensitive,
* and might depend on the actual service being performed.
*/
- interp_set_entry(interp_table,
- INTERP_SLOT_DIR, line + namelen + 5);
- return run_service(interp_table, s);
+ free(directory);
+ directory = xstrdup(line + namelen + 5);
+ return run_service(s);
}
}