diff options
Diffstat (limited to 'connect.c')
| -rw-r--r-- | connect.c | 168 |
1 files changed, 71 insertions, 97 deletions
@@ -22,7 +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 */ @@ -49,14 +49,25 @@ static void add_extra_have(struct extra_have_objects *extra, unsigned char *sha1 extra->nr++; } +static void die_initial_contact(int got_at_least_one_head) +{ + if (got_at_least_one_head) + die("The remote end hung up upon initial contact"); + else + die("Could not read from remote repository.\n\n" + "Please make sure you have the correct access rights\n" + "and the repository exists."); +} + /* * 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) { + int got_at_least_one_head = 0; + *list = NULL; for (;;) { struct ref *ref; @@ -65,7 +76,10 @@ struct ref **get_remote_heads(int in, struct ref **list, char *name; int len, name_len; - len = packet_read_line(in, buffer, sizeof(buffer)); + len = packet_read(in, buffer, sizeof(buffer)); + if (len < 0) + die_initial_contact(got_at_least_one_head); + if (!len) break; if (buffer[len-1] == '\n') @@ -92,41 +106,38 @@ 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; list = &ref->next; + got_at_least_one_head = 1; } return 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 { @@ -175,6 +186,15 @@ static void get_host_and_port(char **host, const char **port) } } +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) @@ -192,7 +212,8 @@ 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; + struct strbuf error_message = STRBUF_INIT; + int sockfd = -1; const char *port = STR(DEFAULT_GIT_PORT); struct addrinfo hints, *ai0, *ai; int gai; @@ -216,21 +237,15 @@ 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; } @@ -242,11 +257,15 @@ 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; } @@ -257,7 +276,8 @@ 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; + struct strbuf error_message = STRBUF_INIT; + int sockfd = -1; const char *port = STR(DEFAULT_GIT_PORT); char *ep; struct hostent *he; @@ -287,25 +307,21 @@ 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; } @@ -316,7 +332,9 @@ 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"); @@ -534,7 +552,7 @@ struct child_process *git_connect(int fd[2], const char *url_orig, * Add support for ssh port: ssh://host.xy:<port>/... */ if (protocol == PROTO_SSH && host != url) - port = get_port(host); + port = get_port(end); if (protocol == PROTO_GIT) { /* These underlying connection commands die() if they @@ -625,47 +643,3 @@ int finish_connect(struct child_process *conn) free(conn); return code; } - -char *git_getpass(const char *prompt) -{ - const char *askpass; - struct child_process pass; - const char *args[3]; - static struct strbuf buffer = STRBUF_INIT; - - askpass = getenv("GIT_ASKPASS"); - if (!askpass) - askpass = askpass_program; - if (!askpass) - askpass = getenv("SSH_ASKPASS"); - if (!askpass || !(*askpass)) { - char *result = getpass(prompt); - if (!result) - die_errno("Could not read password"); - return result; - } - - args[0] = askpass; - args[1] = prompt; - args[2] = NULL; - - memset(&pass, 0, sizeof(pass)); - pass.argv = args; - pass.out = -1; - - if (start_command(&pass)) - exit(1); - - strbuf_reset(&buffer); - if (strbuf_read(&buffer, pass.out, 20) < 0) - die("failed to read password from %s\n", askpass); - - close(pass.out); - - if (finish_command(&pass)) - exit(1); - - strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n")); - - return buffer.buf; -} |