diff options
Diffstat (limited to 'connect.c')
| -rw-r--r-- | connect.c | 232 |
1 files changed, 111 insertions, 121 deletions
@@ -5,6 +5,7 @@ #include "refs.h" #include "run-command.h" #include "remote.h" +#include "url.h" static char *server_capabilities; @@ -21,7 +22,7 @@ static int check_ref(const char *name, int len, unsigned int flags) len -= 5; /* REF_NORMAL means that we don't want the magic fake tag refs */ - if ((flags & REF_NORMAL) && check_ref_format(name) < 0) + if ((flags & REF_NORMAL) && check_refname_format(name, 0)) return 0; /* REF_HEADS means that we want regular branch heads */ @@ -52,7 +53,6 @@ static void add_extra_have(struct extra_have_objects *extra, unsigned char *sha1 * Read all the refs from the other end */ struct ref **get_remote_heads(int in, struct ref **list, - int nr_match, char **match, unsigned int flags, struct extra_have_objects *extra_have) { @@ -91,8 +91,6 @@ struct ref **get_remote_heads(int in, struct ref **list, if (!check_ref(name, name_len, flags)) continue; - if (nr_match && !path_match(name, nr_match, match)) - continue; ref = alloc_ref(buffer + 41); hashcpy(ref->old_sha1, old_sha1); *list = ref; @@ -103,35 +101,33 @@ struct ref **get_remote_heads(int in, struct ref **list, int server_supports(const char *feature) { - return server_capabilities && - strstr(server_capabilities, feature) != NULL; + return !!parse_feature_request(server_capabilities, feature); } -int path_match(const char *path, int nr, char **match) +const char *parse_feature_request(const char *feature_list, const char *feature) { - int i; - int pathlen = strlen(path); - - for (i = 0; i < nr; i++) { - char *s = match[i]; - int len = strlen(s); - - if (!len || len > pathlen) - continue; - if (memcmp(path + pathlen - len, s, len)) - continue; - if (pathlen > len && path[pathlen - len - 1] != '/') - continue; - *s = 0; - return (i + 1); + int len; + + if (!feature_list) + return NULL; + + len = strlen(feature); + while (*feature_list) { + const char *found = strstr(feature_list, feature); + if (!found) + return NULL; + if ((feature_list == found || isspace(found[-1])) && + (!found[len] || isspace(found[len]) || found[len] == '=')) + return found; + feature_list = found + 1; } - return 0; + return NULL; } enum protocol { PROTO_LOCAL = 1, PROTO_SSH, - PROTO_GIT, + PROTO_GIT }; static enum protocol get_protocol(const char *name) @@ -152,6 +148,37 @@ static enum protocol get_protocol(const char *name) #define STR_(s) # s #define STR(s) STR_(s) +static void get_host_and_port(char **host, const char **port) +{ + char *colon, *end; + + if (*host[0] == '[') { + end = strchr(*host + 1, ']'); + if (end) { + *end = 0; + end++; + (*host)++; + } else + end = *host; + } else + end = *host; + colon = strchr(end, ':'); + + if (colon) { + *colon = 0; + *port = colon + 1; + } +} + +static void enable_keepalive(int sockfd) +{ + int ka = 1; + + if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &ka, sizeof(ka)) < 0) + fprintf(stderr, "unable to set SO_KEEPALIVE on socket: %s\n", + strerror(errno)); +} + #ifndef NO_IPV6 static const char *ai_name(const struct addrinfo *ai) @@ -169,31 +196,16 @@ static const char *ai_name(const struct addrinfo *ai) */ static int git_tcp_connect_sock(char *host, int flags) { - int sockfd = -1, saved_errno = 0; - char *colon, *end; + struct strbuf error_message = STRBUF_INIT; + int sockfd = -1; const char *port = STR(DEFAULT_GIT_PORT); struct addrinfo hints, *ai0, *ai; int gai; int cnt = 0; - if (host[0] == '[') { - end = strchr(host + 1, ']'); - if (end) { - *end = 0; - end++; - host++; - } else - end = host; - } else - end = host; - colon = strchr(end, ':'); - - if (colon) { - *colon = 0; - port = colon + 1; - if (!*port) - port = "<none>"; - } + get_host_and_port(&host, &port); + if (!*port) + port = "<none>"; memset(&hints, 0, sizeof(hints)); hints.ai_socktype = SOCK_STREAM; @@ -209,21 +221,15 @@ static int git_tcp_connect_sock(char *host, int flags) if (flags & CONNECT_VERBOSE) fprintf(stderr, "done.\nConnecting to %s (port %s) ... ", host, port); - for (ai0 = ai; ai; ai = ai->ai_next) { + for (ai0 = ai; ai; ai = ai->ai_next, cnt++) { sockfd = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); - if (sockfd < 0) { - saved_errno = errno; - continue; - } - if (connect(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) { - saved_errno = errno; - fprintf(stderr, "%s[%d: %s]: errno=%s\n", - host, - cnt, - ai_name(ai), - strerror(saved_errno)); - close(sockfd); + if ((sockfd < 0) || + (connect(sockfd, ai->ai_addr, ai->ai_addrlen) < 0)) { + strbuf_addf(&error_message, "%s[%d: %s]: errno=%s\n", + host, cnt, ai_name(ai), strerror(errno)); + if (0 <= sockfd) + close(sockfd); sockfd = -1; continue; } @@ -235,11 +241,15 @@ static int git_tcp_connect_sock(char *host, int flags) freeaddrinfo(ai0); if (sockfd < 0) - die("unable to connect a socket (%s)", strerror(saved_errno)); + die("unable to connect to %s:\n%s", host, error_message.buf); + + enable_keepalive(sockfd); if (flags & CONNECT_VERBOSE) fprintf(stderr, "done.\n"); + strbuf_release(&error_message); + return sockfd; } @@ -250,31 +260,17 @@ static int git_tcp_connect_sock(char *host, int flags) */ static int git_tcp_connect_sock(char *host, int flags) { - int sockfd = -1, saved_errno = 0; - char *colon, *end; - char *port = STR(DEFAULT_GIT_PORT), *ep; + struct strbuf error_message = STRBUF_INIT; + int sockfd = -1; + const char *port = STR(DEFAULT_GIT_PORT); + char *ep; struct hostent *he; struct sockaddr_in sa; char **ap; unsigned int nport; int cnt; - if (host[0] == '[') { - end = strchr(host + 1, ']'); - if (end) { - *end = 0; - end++; - host++; - } else - end = host; - } else - end = host; - colon = strchr(end, ':'); - - if (colon) { - *colon = 0; - port = colon + 1; - } + get_host_and_port(&host, &port); if (flags & CONNECT_VERBOSE) fprintf(stderr, "Looking up %s ... ", host); @@ -295,25 +291,21 @@ static int git_tcp_connect_sock(char *host, int flags) fprintf(stderr, "done.\nConnecting to %s (port %s) ... ", host, port); for (cnt = 0, ap = he->h_addr_list; *ap; ap++, cnt++) { - sockfd = socket(he->h_addrtype, SOCK_STREAM, 0); - if (sockfd < 0) { - saved_errno = errno; - continue; - } - memset(&sa, 0, sizeof sa); sa.sin_family = he->h_addrtype; sa.sin_port = htons(nport); memcpy(&sa.sin_addr, *ap, he->h_length); - if (connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) { - saved_errno = errno; - fprintf(stderr, "%s[%d: %s]: errno=%s\n", + sockfd = socket(he->h_addrtype, SOCK_STREAM, 0); + if ((sockfd < 0) || + connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) { + strbuf_addf(&error_message, "%s[%d: %s]: errno=%s\n", host, cnt, inet_ntoa(*(struct in_addr *)&sa.sin_addr), - strerror(saved_errno)); - close(sockfd); + strerror(errno)); + if (0 <= sockfd) + close(sockfd); sockfd = -1; continue; } @@ -324,7 +316,9 @@ static int git_tcp_connect_sock(char *host, int flags) } if (sockfd < 0) - die("unable to connect a socket (%s)", strerror(saved_errno)); + die("unable to connect to %s:\n%s", host, error_message.buf); + + enable_keepalive(sockfd); if (flags & CONNECT_VERBOSE) fprintf(stderr, "done.\n"); @@ -403,42 +397,28 @@ static int git_use_proxy(const char *host) return (git_proxy_command && *git_proxy_command); } -static void git_proxy_connect(int fd[2], char *host) +static struct child_process *git_proxy_connect(int fd[2], char *host) { const char *port = STR(DEFAULT_GIT_PORT); - char *colon, *end; - const char *argv[4]; - struct child_process proxy; - - if (host[0] == '[') { - end = strchr(host + 1, ']'); - if (end) { - *end = 0; - end++; - host++; - } else - end = host; - } else - end = host; - colon = strchr(end, ':'); + const char **argv; + struct child_process *proxy; - if (colon) { - *colon = 0; - port = colon + 1; - } + get_host_and_port(&host, &port); + argv = xmalloc(sizeof(*argv) * 4); argv[0] = git_proxy_command; argv[1] = host; argv[2] = port; argv[3] = NULL; - memset(&proxy, 0, sizeof(proxy)); - proxy.argv = argv; - proxy.in = -1; - proxy.out = -1; - if (start_command(&proxy)) + proxy = xcalloc(1, sizeof(*proxy)); + proxy->argv = argv; + proxy->in = -1; + proxy->out = -1; + if (start_command(proxy)) die("cannot start proxy %s", argv[0]); - fd[0] = proxy.out; /* read from proxy stdout */ - fd[1] = proxy.in; /* write to proxy stdin */ + fd[0] = proxy->out; /* read from proxy stdout */ + fd[1] = proxy->in; /* write to proxy stdin */ + return proxy; } #define MAX_CMD_LEN 1024 @@ -475,11 +455,11 @@ static struct child_process no_fork; struct child_process *git_connect(int fd[2], const char *url_orig, const char *prog, int flags) { - char *url = xstrdup(url_orig); + char *url; char *host, *path; char *end; int c; - struct child_process *conn; + struct child_process *conn = &no_fork; enum protocol protocol = PROTO_LOCAL; int free_path = 0; char *port = NULL; @@ -491,6 +471,11 @@ struct child_process *git_connect(int fd[2], const char *url_orig, */ signal(SIGCHLD, SIG_DFL); + if (is_url(url_orig)) + url = url_decode(url_orig); + else + url = xstrdup(url_orig); + host = strstr(url, "://"); if (host) { *host = '\0'; @@ -559,7 +544,7 @@ struct child_process *git_connect(int fd[2], const char *url_orig, */ char *target_host = xstrdup(host); if (git_use_proxy(host)) - git_proxy_connect(fd, host); + conn = git_proxy_connect(fd, host); else git_tcp_connect(fd, host, flags); /* @@ -577,7 +562,7 @@ struct child_process *git_connect(int fd[2], const char *url_orig, free(url); if (free_path) free(path); - return &no_fork; + return conn; } conn = xcalloc(1, sizeof(*conn)); @@ -626,10 +611,15 @@ struct child_process *git_connect(int fd[2], const char *url_orig, return conn; } +int git_connection_is_socket(struct child_process *conn) +{ + return conn == &no_fork; +} + int finish_connect(struct child_process *conn) { int code; - if (!conn || conn == &no_fork) + if (!conn || git_connection_is_socket(conn)) return 0; code = finish_command(conn); |