| 1 | #include "git-compat-util.h" |
| 2 | #include "version.h" |
| 3 | #include "strbuf.h" |
| 4 | #include "gettext.h" |
| 5 | |
| 6 | #ifndef GIT_VERSION_H |
| 7 | # include "version-def.h" |
| 8 | #else |
| 9 | # include GIT_VERSION_H |
| 10 | #endif |
| 11 | |
| 12 | const char git_version_string[] = GIT_VERSION; |
| 13 | const char git_built_from_commit_string[] = GIT_BUILT_FROM_COMMIT; |
| 14 | |
| 15 | /* |
| 16 | * Trim and replace each character with ascii code below 32 or above |
| 17 | * 127 (included) using a dot '.' character. |
| 18 | */ |
| 19 | static void redact_non_printables(struct strbuf *buf) |
| 20 | { |
| 21 | strbuf_trim(buf); |
| 22 | for (size_t i = 0; i < buf->len; i++) { |
| 23 | if (!isprint(buf->buf[i]) || buf->buf[i] == ' ') |
| 24 | buf->buf[i] = '.'; |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | const char *git_user_agent(void) |
| 29 | { |
| 30 | static const char *agent = NULL; |
| 31 | |
| 32 | if (!agent) { |
| 33 | agent = getenv("GIT_USER_AGENT"); |
| 34 | if (!agent) |
| 35 | agent = GIT_USER_AGENT; |
| 36 | } |
| 37 | |
| 38 | return agent; |
| 39 | } |
| 40 | |
| 41 | /* |
| 42 | Retrieve, sanitize and cache operating system info for subsequent |
| 43 | calls. Return a pointer to the sanitized operating system info |
| 44 | string. |
| 45 | */ |
| 46 | static const char *os_info(void) |
| 47 | { |
| 48 | static const char *os = NULL; |
| 49 | |
| 50 | if (!os) { |
| 51 | struct strbuf buf = STRBUF_INIT; |
| 52 | |
| 53 | get_uname_info(&buf, 0); |
| 54 | /* Sanitize the os information immediately */ |
| 55 | redact_non_printables(&buf); |
| 56 | os = strbuf_detach(&buf, NULL); |
| 57 | } |
| 58 | |
| 59 | return os; |
| 60 | } |
| 61 | |
| 62 | const char *git_user_agent_sanitized(void) |
| 63 | { |
| 64 | static const char *agent = NULL; |
| 65 | |
| 66 | if (!agent) { |
| 67 | struct strbuf buf = STRBUF_INIT; |
| 68 | |
| 69 | strbuf_addstr(&buf, git_user_agent()); |
| 70 | |
| 71 | if (!getenv("GIT_USER_AGENT")) { |
| 72 | strbuf_addch(&buf, '-'); |
| 73 | strbuf_addstr(&buf, os_info()); |
| 74 | } |
| 75 | redact_non_printables(&buf); |
| 76 | agent = strbuf_detach(&buf, NULL); |
| 77 | } |
| 78 | |
| 79 | return agent; |
| 80 | } |
| 81 | |
| 82 | int get_uname_info(struct strbuf *buf, unsigned int full) |
| 83 | { |
| 84 | struct utsname uname_info; |
| 85 | |
| 86 | if (uname(&uname_info)) { |
| 87 | strbuf_addf(buf, _("uname() failed with error '%s' (%d)\n"), |
| 88 | strerror(errno), |
| 89 | errno); |
| 90 | return -1; |
| 91 | } |
| 92 | if (full) |
| 93 | strbuf_addf(buf, "%s %s %s %s\n", |
| 94 | uname_info.sysname, |
| 95 | uname_info.release, |
| 96 | uname_info.version, |
| 97 | uname_info.machine); |
| 98 | else |
| 99 | strbuf_addf(buf, "%s\n", uname_info.sysname); |
| 100 | return 0; |
| 101 | } |