diff options
Diffstat (limited to 'mktag.c')
| -rw-r--r-- | mktag.c | 35 |
1 files changed, 18 insertions, 17 deletions
@@ -2,10 +2,11 @@ #include "tag.h" /* - * A signature file has a very simple fixed format: three lines - * of "object <sha1>" + "type <typename>" + "tag <tagname>", - * followed by some free-form signature that git itself doesn't - * care about, but that can be verified with gpg or similar. + * A signature file has a very simple fixed format: four lines + * of "object <sha1>" + "type <typename>" + "tag <tagname>" + + * "tagger <committer>", followed by a blank line, a free-form tag + * message and a signature block that git itself doesn't care about, + * but that can be verified with gpg or similar. * * The first three lines are guaranteed to be at least 63 bytes: * "object <sha1>\n" is 48 bytes, "type tag\n" at 9 bytes is the @@ -46,45 +47,42 @@ static int verify_tag(char *buffer, unsigned long size) const char *object, *type_line, *tag_line, *tagger_line; if (size < 64) - return error("wanna fool me ? you obviously got the size wrong !\n"); + return error("wanna fool me ? you obviously got the size wrong !"); buffer[size] = 0; /* Verify object line */ object = buffer; if (memcmp(object, "object ", 7)) - return error("char%d: does not start with \"object \"\n", 0); + return error("char%d: does not start with \"object \"", 0); if (get_sha1_hex(object + 7, sha1)) - return error("char%d: could not get SHA1 hash\n", 7); + return error("char%d: could not get SHA1 hash", 7); /* Verify type line */ type_line = object + 48; if (memcmp(type_line - 1, "\ntype ", 6)) - return error("char%d: could not find \"\\ntype \"\n", 47); + return error("char%d: could not find \"\\ntype \"", 47); /* Verify tag-line */ tag_line = strchr(type_line, '\n'); if (!tag_line) - return error("char%td: could not find next \"\\n\"\n", type_line - buffer); + return error("char%td: could not find next \"\\n\"", type_line - buffer); tag_line++; if (memcmp(tag_line, "tag ", 4) || tag_line[4] == '\n') - return error("char%td: no \"tag \" found\n", tag_line - buffer); + return error("char%td: no \"tag \" found", tag_line - buffer); /* Get the actual type */ typelen = tag_line - type_line - strlen("type \n"); if (typelen >= sizeof(type)) - return error("char%td: type too long\n", type_line+5 - buffer); + return error("char%td: type too long", type_line+5 - buffer); memcpy(type, type_line+5, typelen); type[typelen] = 0; /* Verify that the object matches */ - if (get_sha1_hex(object + 7, sha1)) - return error("char%d: could not get SHA1 hash but this is really odd since i got it before !\n", 7); - if (verify_object(sha1, type)) - return error("char%d: could not verify object %s\n", 7, sha1); + return error("char%d: could not verify object %s", 7, sha1_to_hex(sha1)); /* Verify the tag-name: we don't allow control characters or spaces in it */ tag_line += 4; @@ -94,14 +92,17 @@ static int verify_tag(char *buffer, unsigned long size) break; if (c > ' ') continue; - return error("char%td: could not verify tag name\n", tag_line - buffer); + return error("char%td: could not verify tag name", tag_line - buffer); } /* Verify the tagger line */ tagger_line = tag_line; if (memcmp(tagger_line, "tagger", 6) || (tagger_line[6] == '\n')) - return error("char%td: could not find \"tagger\"\n", tagger_line - buffer); + return error("char%td: could not find \"tagger\"", tagger_line - buffer); + + /* TODO: check for committer info + blank line? */ + /* Also, the minimum length is probably + "tagger .", or 63+8=71 */ /* The actual stuff afterwards we don't care about.. */ return 0; |